to bootstrap again.
* reload1.c (reload): Sum needs for both OPADDR_ADDR and and
OPERAND_ADDRESS when computing how many registers an insn needs.
(reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
conflict.
(reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
OPADDR_ADDR reload.
(reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
in reload_reg_use_in_op_addr do not reach the end.
do not reach the end.
(reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
RELOAD_FOR_OPERAND_ADDRESS.
Start a new ChangeLog for gcc3.
From-SVN: r14767
-Sat Aug 2 18:50:43 1997 Paul Eggert <eggert@twinsun.com>
+Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
+
+ * Integrate reload bugfix from Wilson which enables the PA port
+ to bootstrap again.
+ * reload1.c (reload): Sum needs for both OPADDR_ADDR and and
+ OPERAND_ADDRESS when computing how many registers an insn needs.
+ (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
+ conflict.
+ (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
+ OPADDR_ADDR reload.
+ (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
+ in reload_reg_use_in_op_addr do not reach the end.
+ do not reach the end.
+ (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
+ RELOAD_FOR_OPERAND_ADDRESS.
+
+Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
+
+ * gcc3 project officially starts.
- * tree.c (int_fits_type_p): Negative ints never fit unsigned
- types, and unsigned ints with top-bit-set never fit signed types.
-
-Sat Aug 2 16:25:43 1997 Per Bothner <bothner@frobnitz.gnu.ai.mit.edu>
-
- * Makefile.in (EXTRA_C_OBJS): Removed.
- (C_AND_OBJC_OBJS): New. Subsumes EXTRA_C_OBJS and OBJC_CCOMMON.
- * objc/Make-lang.in (OBJC_CCOMMON): Removed.
-
-Sat Aug 2 16:11:57 1997 Doug Evans <dje@cygnus.com>
-
- * configure.in: Build .gdbinit for top level build dir here.
- (AC_OUTPUT): Pass oldstyle_subdirs to configure.lang.
- * configure.lang: Fix building of .gdbinit for oldstyle lang subdirs.
-
-Sat Aug 2 13:48:15 1997 Ken Raeburn <raeburn@cygnus.com>
-
- * cse.c (cse_insn): Ignore paradoxical SUBREGs unless we are
- looking for such.
-
-Sat Aug 2 13:25:33 1997 Tristan Gingold (gingold@email.enst.fr)
-
- * calls.c (expand_call): If -fcheck-memory-usage, use pseudo-register,
- check indirectly called function is executable, and set rights of
- memory for aggregate as write only.
- (store_one_arg): If -fcheck-memory-usage, set rights for pushed
- stack argument.
- * c-decl.c (init_decl_processing): Add
- __builtin_aggregate_incoming_address.
- * explow.c (expr_size): Call expand_expr with appropriate flag.
- * expr.c (expand_builtin, case BUILT_IN_AGGREGATE_INCOMING_ADDRESS):
- New case.
- (expand_assignment, expand_expr, emit_push_insn, store_expr):
- Insert calls to chkr_check_addr, chkr_set_right, and chkr_copy_bitmap
- when -fcheck-memory-usage.
- (get_push_address, get_memory_usage_from_modifier): New functions.
- * expr.h: Add expand_modifier flags.
- (chkr_*_libfunc): New decls.
- (memory_use_mode): New declaration.
- * flags.h (flag_check_memory_usage, flag_prefix_function_name): New
- declaration.
- * function.c (put_var_into_stack, assign_parms): If
- -fcheck-memory-usage, set the rights of pushed variable.
- * optabs.c (chkr_{check_addr,set_right}_libfunc): New definitions.
- (chkr_{copy_bitmap,check_exec}_libfunc): Likewise.
- (init_optabs): Initialize these chkr_*_libfunc.
- * stmt.c (expand_computed_goto): If -fcheck-memory-usage, check that
- computed address of a goto is executable.
- (expand_asm, expand_asm_operands): If -fcheck-memory-usage,
- disallow asm statments.
- * toplev.c (flag_check_memory_usage, flag_prefix_function_name): New
- variable.
- (f_options): Add `check-memory-usage' and `prefix_function_name'.
- (main): Disable `-fomit-frame-pointer' if `-fcheck-memory-usage' is set
- and the machine can't debug without the frame pointer.
- * tree.h (built_in_function): Add BUILT_IN_AGGREGATE_INCOMING_ADDRESS.
- * varasm.c (make_function_rtl, make_decl_rtl): Add a prefix when
- flag_prefix_function_name_usage is set.
- (assemble_name): Strip the CHKR_PREFIX.
- * alpha.c (alpha_builtin_saveregs): If -fcheck-memory-usage,
- set rights of saved registers.
- * clipper.c (clipper_builtin_saveregs): Likewise.
- * m88k.c (m88k_builtin_saveregs): Likewise.
- * pa.c (hppa_builtin_saveregs): Likewise.
- * sparc.c (sparc_builtin_saveregs): Likewise.
-
-Sat Aug 2 08:01:12 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * c-decl.c (grokdeclarator): Give error for `long double' and
- refine text of some error messages.
-
- * alpha.h (FLOAT_VALUE_TYPE, INTIFY, FLOATIFY, FLOAT_ARG_TYPE): Define.
- * i860.h (FLOAT_VALUE_TYPE): Fix typo; was FLOAT_TYPE_VALLUE.
-
- * calls.c (store_one_arg): Allow stack_slot to be SP in
- ARGS_GROW_DOWNWARD case.
-
- * c-decl.c (parmlist_tags_warning): Only suppress warning on
- union if anonymous.
-
- * libgcc2.c (_trampoline): Rework last change; both getpagesize
- and mprotect are in cygwin32.
-
- * reload1.c (reload): Add IN_ADDR to IN_ADDR_ADDR when computing
- needs since they conflict.
-
- * print-rtl.c (indent): Move to file level; was static in print_rtx.
- (print_inline_rtx): New function.
- * reload.c (debug_reload): Rework to make output more compact.
-
- * dwarfout.c (output_compile_unit_die): Add support for Pascal.
- * dwarf2out.c (gen_compile_unit_die): Likewise.
-
- * c-typeck.c (lvalue_p, case BIND_EXPR, RTL_EXPR): Return 1 if array.
-
- * Makefile.in (OBJC_OBJC): Delete from here.
-
- * varasm.c (compare_constant_1, case STRING_CST): Compare TYPE_MODE.
- (record_constant_1, case STRING_CST): Record TYPE_MODE.
-
- * tree.c (contains_this_placeholder_p): Delete.
- (contains_placeholder_p): Now contains code from above function.
- (contains_placeholder_p, case 'r'): Don't look at offset info.
- * expr.c (expand_expr, case PLACEHOLDER_EXPR): Find innermost
- matching and don't check contains_placeholder_p.
-
-Fri Aug 1 17:15:07 1997 Per Bothner <bothner@cygnus.com>
-
- * objc/objc-act.c (lang_init): Don't check_newline #if USE_CPPLIB.
- * c-lex.c (lang_init): Remove (recently moved here).
- * c-lang.c (lang_init): Restore, but add #if !USE_CPPLIB.
-
-Fri Aug 1 11:26:45 1997 Jeffrey A Law (law@cygnus.com)
-
- * pa.c (pa_reorg): Explode ADDR_DIFF_VEC insns too.
-
-Thu Jul 31 19:37:22 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * libgcc2.c (getpagesize): Don't compile if __CYGWIN32__.
-
-Thu Jul 31 16:04:42 1997 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.c (output_to_reg, output_fix_trunc): Use scratch memory,
- if available, instead of dynamically extending the stack.
- (put_condition_code, print_operand): Added reverse_cc to reverse the
- comparison when $ah is accessed directly instead of using eflags
-
- * i386.md (*trunc*): Use scratch memory for output_fix_trunc.
- (movsicc_1, movhicc_1) Change alternative 3 to:
- jCC L1; mov; jmp L2; L1:mov; L2:
- (movsfcc, movdfcc, movxfcc): Force constant operands to memory.
- (movsfcc_1, movdfcc_1, movxfcc_1): Change alternative 3 as above.
-
-Thu Jul 31 16:04:42 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * i386.h (MAX_FIXED_MODE_SIZE): Define.
-
-Thu Jul 31 16:04:42 1997 Robert Lipe <robertl@dgii.com>
-
- * i386/sco5.h (SWITCHES_NEED_SPACES) Define.
- Required by the COFF (but not ELF) linker.
-
-Wed Jul 30 15:03:52 1997 Per Bothner <bothner@cygnus.com>
-
- * demangle.h (DMGL_JAVA): New option to request Java demangling.
- * cplus-dem.c: Various changes to produce Java output when passed
- DMGL_JAVA. Thus "::" becomes "." and "JArray<Foo>" becomes "Foo[]".
- (main): Support --java and -j flags to set DMGL_JAVA.
-
-Wed Jul 30 08:56:08 1997 Philip Blundell <Philip.Blundell@pobox.com>
-
- * configure.in (arm-*-*): Replace with arm-*-aout.
- * arm/aout.h (SET_ASM_OP): Define by default.
- * arm/riscix.h (SET_ASM_OP: Undefine.
- * arm.h (CPP_SPEC): Add %(subtarget_cpp_spec).
- (SUBTARGET_CPP_SPEC): New macro.
- * arm/linux.h: Include aout.h rather than arm.h directly.
- (TARGET_CPU_DEFAULT): Define.
- ({ASM,CPP}_SPEC): Remove.
- * arm/t-linux (MULTILIB_OPTIONS): Use -mapcs-NN instead of -mN.
- (LIB1ASMSRC): Use generic ARM version.
- (CROSS_LIBGCC1): Define.
- * arm/lib1funcs-linux.asm: Remove.
-
-Tue Jul 29 17:57:47 1997 Per Bothner <bothner@cygnus.com>
-
- * Add hooks for using autconf-style Makefile.in in language subdirs.
- * configure.in (all_outputs, oldstyle_subdirs): New variables.
- Pass all_outputs to AC_OUTPUT.
- * configure.lang: Only iterate over oldstyle_subdirs.
-
- * Patches to use cpplib with cc1 #if USE_CPPLIB.
- * configure.in (--enable-c-cpplib): New option.
- (extra_c_flags, extra_c_objs): New variables.
- * Makefile.in (EXTRA_C_OBJS): New variable.
- (INTERNAL_CFLAGS): Add @extra_c_flags@.
- (C_OBJS): Add $(EXTRA_C_OBJS).
- * c-lex.c (generally): Replace getc and ungetc by macros GETC and
- UNGETC. Avoid explicit references to finput.
- (yy_get_token): New function, that calls cpp_get_token.
- (init_parse): New function - calls init_lex.
- (finish_parse): New function (called by compile_file).
- (GET_DIRECTIVE_LINE): New macro wrapper replaces get_directive_line.
- (lang_init): Don't check_newline - already know main_input_filename.
- (handle_sysv_pragma): Remove FILE* parameter.
- * toplev.c (finput): Remove #if USE_CPPLIB.
- (compile_file): #if USE_CPPLIB don't open input file here,
- do it in cpp_start_read. Call init_parse instead of init_lex.
- At end, call finish_parse instead of fclose(finput).
-
-Mon Jul 28 15:48:29 1997 Brendan Kehoe <brendan@cygnus.com>
-
- * integrate.c (expand_inline_function): Use xmalloc instead of
- alloca for the LABEL_MAP.
- (save_for_inline_copying): Likewise.
-
-Mon Jul 28 11:22:16 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * toplev.c (compile_file): Also emit any deferred TREE_PUBLIC inlines.
- (rest_of_compilation): Use decl_printable_name instead of DECL_NAME
- to identify functions in the RTL dump files.
-
- * dwarf2out.c (add_location_or_const_value_attribute):
- leaf_renumber_regs_insn. Also eliminate_regs here.
- (add_AT_location_description): Not here. Don't emit anything
- for a variable that has been optimized away.
- (add_const_value_attribute): Likewise.
-
- * dwarfout.c (location_or_const_value_attribute):
- leaf_renumber_regs_insn. Also eliminate_regs here.
- (location_attribute): Not here.
-
- * stor-layout.c (layout_type): Fix ancient code to match ancient
- comment. Use mode of field for one-field structs.
-
-Sun Jul 27 12:09:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * function.c (put_var_into_stack, trampoline_address): Treat
- inline_function_decl like current_function_decl.
- * expr.c (expand_expr, case LABEL_DECL): Likewise.
- (expand_expr, case SAVE_EXPR): Handle top-level SAVE_EXPR by
- moving into current function; abort if in incorrect context.
- * fold-const.c (fold_range_test, fold): Avoid making SAVE_EXPR
- if at top level.
-
- * dwarfout.c (ASM_OUTPUT_SOURCE_FILENAME): Delete default value.
-
- * alpha.h (TARGET_SWITCHES): Add -mno-byte.
-
- * expr.c (get_inner_unaligned_p): Deleted.
- (expand_assignment): Remove special-case of constant array.
- (expand_expr, case ARRAY_REF): Likewise, and clean up remaining code.
-
- * explow.c (probe_stack_range): Do probing with loop if more
- than a small number.
-
-Fri Jul 25 15:42:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
-
- * configure.in: Finish fixing calculation if default thread
- support is enabled.
-
-Fri Jul 25 15:30:09 1997 Doug Evans <dje@cygnus.com>
-
- * Makefile.in (native): Depend on config.h.
- (gcc.o): Depend on Makefile, not config.status.
-
-Fri Jul 25 10:56:50 1997 Jeffrey A Law (law@cygnus.com)
-
- * pa.c (pa_reorg): If TARGET_BIG_SWITCH, then do not explode
- ADDR_VEC insns. Slightly rework code which explodes ADDR_VEC
- insns.
- * pa.h (TARGET_BIG_SWITCH): Define.
- (TARGET_SWITCHES): Add "big-switch" and "no-big-switch".
- (CASE_VECTOR_MODE): Use TI or DI depending on TARGET_BIG_SWITCH.
- (CASE_DROPS_THROUGH): Remove definition.
- (ASM_OUTPUT_ADDR_VEC_ELT): Rewrite to handle TARGET_BIG_SWITCH.
- (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
- * pa.md (casesi): Rework to avoid some potential long branch
- problems (also makes generated code faster!). Handle
- TARGET_BIG_SWITCH.
- (casesi0): Corresponding changes.
-
-Fri Jul 25 08:36:47 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * calls.c: (expand_call): If -fstack-check and temp needed
- for arg is too large, use alloca.
- * expr.c (expand_expr, case MODIFY_EXPR): Don't preexpand calls
- if LHS is an indirect via a constant pointer.
-
-Thu Jul 24 21:49:11 1997 Pat Rankin <rankin@eql.caltech.edu>
-
- * bitmap.c (bitmap_operation): Reset CURRENT on deferred deletion.
-
-Wed Jul 23 23:52:14 1997 Chris Smith <csmith@convex.hp.com>
-
- * convex.h (CHECK_FLOAT_VALUE): Fix OVERFLOW capitalization.
-
-Wed Jul 23 13:00:47 1997 Richard Earnshaw <rearnsha@cambridge.arm.com>
-
- * configure.in (arm-*-netbsd*): Fix typo setting tmake_file.
-
-Wed Jul 23 06:39:35 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * configure.in (alpha*): Put quotes around MASK_GAS.
-
-Tue Jul 22 15:24:45 1997 Brendan Kehoe <brendan@cygnus.com>
-
- * tree.c (array_type_nelts): Make sure the domain of TYPE is set
- before we try to use it.
-
-Tue Jul 22 12:26:13 1997 Doug Evans <dje@cygnus.com>
-
- * sparc.c (gen_v9_scc): Handle early clobber of result.
- * sparc.md (seqdi_special): Don't clobber %xcc.
- (snedi_special, seqdi_special_trunc, snedi_special_trunc): Likewise.
- (snedi_zero, neg_snedi_zero, seqdi_zero, neg_seqdi_zero): Likewise.
- (snedi_zero_trunc, seqdi_zero_trunc): Likewise. Renamed from ..._sp64.
- (snedi_zero_trunc_sp32, seqdi_zero_trunc_sp32): Delete.
-
- * Makefile.in (Makefile): Pass xmake_file, tmake_file to
- configure.frag
- (distclean): Delete Make-host, Make-target.
- * configure.in (host_overrides): Set to Make-host.
- (dep_host_xmakefile): Loop over all elements in host_make_file.
- (target_overrides): Set to Make-target.
- (dep_tmake_file): Loop over all elements in tmake_file.
- (configure.frag): Pass dep_host_xmake_file, dep_tmake_file.
- * configure.frag: New arguments xmake_files, tmake_files.
- Build Make-host, Make-target.
-
-Mon Jul 21 23:17:44 1997 Paul Eggert <eggert@twinsun.com>
-
- * objc/Make-lang.in, objc/Makefile.in: Comment out lines containing
- just formfeeds.
-
-Mon Jul 21 14:05:46 1997 Doug Evans <dje@cygnus.com>
-
- * Makefile.in (Makefile): Depend on config.status instead
- of configure.
- (config.status): Depend on configure. Run config.status --recheck
- if out of date.
- (cstamp-h.in): Use echo instead of touch.
-
- * reload1.c (reload_cse_mem_conflict_p): Restore handling of
- (mem:BLK const0_rtx) meaning all memory is clobbered.
-
-Mon Jul 21 06:20:10 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * m68k.md (iorsi_zexthi_ashl16): Mark output operand as earlyclobber.
-
-Sun Jul 20 06:11:30 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * configure.in (alpha*-*-*): Set cpu_type to alpha.
- Change "alpha-" to "alpha*-" in all entries.
- Set target_cpu_default for ev5 and ev56 systems.
- Use symbolic names for target_cpu_default.
- * alpha.c (override_options): Set default for alpha_cpu
- from TARGET_CPU_DEFAULT.
- * alpha.h (MASK_CPU_EV5): New macro.
-
- * tree.c (contains_placeholder_p): Call contains_this_placeholder_p.
- (contains_this_placeholder_p): Renamed from contains_placeholder_p.
- Added new arg, PL.
- Rework to make more consistent, check more codes, and avoid
- undefined fields.
- * expr.c (expand_expr, case PLACEHOLDER_EXPR): Pick outermost
- object in placeholder_list of right type without a PLACEHOLDER_EXPR.
-
-Sat Jul 19 18:00:01 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * alpha.c (override_options): Allow processor of ev56 or 21164a.
- (input_operand, case MEM): Correct test involving TARGET_BYTE_OPS.
- * alpha.h (SECONDARY_{IN,OUT}PUT_RELOAD_CLASS): Don't need for
- QImode or HImode if TARGET_BYTE_OPS.
- (ASM_FILE_START): Write a .arch directive.
- (STACK_CHECK_BUILTIN): New macro.
- * alpha.md ({zero_,}extend[qh]i[dsh]i2): Rework TARGET_BYTE_OPS cases.
- (mov[hq]i): Likewise.
- (extend[qh]i[hsd]i2x): Add missing cases and fix typo in constraint.
- (reload_{in,out}[qh]i): Disable for TARGET_BYTE_OPS.
-
-Fri Jul 18 23:24:57 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * varasm.c (make_decl_rtl): Don't use ASM_FORMAT_PRIVATE_NAME for
- local decls with TREE_PUBLIC set.
- (bc_make_decl_rtl): Likewise.
-
-Fri Jul 18 22:16:28 1997 Doug Evans <dje@cygnus.com>
-
- * configure.in: Invoke AC_CONFIG_HEADER.
- Check for string.h, strings.h, stdlib.h, time.h, unistd.h.
- Check for whether malloc/realloc/free need to be declared.
- (links): Rename config.h to config2.h.
- (AC_OUTPUT): Create cstamp-h.
- * Makefile.in (config.in,cstamp-h.in): Add rules for.
- (config.h,cstamp-h): Add rules for.
- (distclean): Delete config2.h, cstamp-h.
- (ALL_CFLAGS): Add @DEFS@.
- * aclocal.m4, acconfig.h: New files.
-
- * Makefile.in (distclean): Delete Make-host, Make-target.
- * configure.in (host_overrides): Set to host_xmake_file, don't create
- Make-host.
- (target_overrides): Set to tmake_file, don't create Make-target.
- (language subdir support): Keep together.
-
- * c-decl.c (duplicate_decls): Set DECL_ABSTRACT_ORIGIN to olddecl
- if inline function and not new definition.
-
- * configure.in: Don't loop trying to configure language subdirs.
- Don't pass to configure.lang variables it doesn't use.
- * configure.lang: Delete top level directory from loop.
- Delete code not useful for language subdirs.
-
-Fri Jul 18 08:12:53 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
-
- * toplev.c (rest_of_compilation): Call reload_cse_regs here.
- * reload1.c (reload): Don't call it here.
- (reload_cse_mem_conflict_p): Remove MEM_OFFSET and MEM_MODE args.
- (reload_cse_mem_conflict_p, case MEM): Call anti_dependence.
- (reload_cse_invalidate_mem): Update call to reload_cse_mem_conflict_p.
- (reload_cse_regs): No longer static.
- Call init_alias_analysis.
- Ignore CLOBBER in a PARALLEL.
-
-Fri Jul 18 06:44:22 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * objc/Make-lang.in (objc-headers): Fix command for the new build
- directory layout, don't pass srcdir variable.
- * objc/Makefile.in (copy-headers): Use $(srcdir) from this
- makefile, not the parent's.
-
-Thu Jul 17 16:03:03 1997 Doug Evans <dje@cygnus.com>
-
- * configure.lang (EXTRA_HEADERS,EXTRA_PASSES,EXTRA_PARTS): Delete.
- (EXTRA_PROGRAMS,EXTRA_OBJS,EXTRA_GCC_OBJS,MD_DEPS): Delete.
- (version) Delete duplicate entry.
- * configure.in (merged_frags): Delete unused variable.
- (extra_headers_list): Move setting outside of subdir loop.
- (extra_headers,extra_passes): Don't pass to configure.lang.
- (extra_programs,extra_parts,extra_objs): Likewise.
- (host_extra_gcc_objs,gxx_include_dir,md_cppflags): Likewise.
-
-Thu Jul 17 07:00:43 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * expr.h (STACK_CHECK_*): Provide default values.
- (probe_stack_range): New declaration.
- * flags.h (flag_stack_check): Likewise.
- * explow.c (allocate_dynamic_stack_space): Call probe_stack_range.
- (emit_stack_probe, probe_stack_range): New functions.
- * function.c (expand_function_end): If function is non-leaf and stack
- checking is requested, emit needed probes.
- * reload1.c (reload): If checking stack, verify frame small enough.
- * stmt.c (expand_decl): If stack checking, use alloca for large vars.
- * toplev.c (flag_stack_check): New variable.
- (f_options): Add "stack-check".
-
- * reorg.c (mark_target_live_regs): Pass FIRST_PSEUDO_REGISTER to
- call to EXECUTE_IF_SET_IN_REG_SET.
-
-Wed Jul 16 14:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * i960.h (ASM_OUTPUT_ALIGNED_BSS): Define.
- (ASM_OUTPUT_ALIGNED_LOCAL): Use standard method to convert ALIGN
- to power-of-two of bytes.
-
- * sparc.h (ASM_OUTPUT_ALIGNED_BSS): Define.
- * sparc/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Undef before definition.
-
-Wed Jul 16 14:34:09 1997 Klaus Espenlaub (kespenla@hydra.informatik.uni-ulm.de)
-
- * calls.c (emit_library_call_value): Initialize all argvec elements.
-
-Wed Jul 16 14:31:39 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * global.c (global_conflicts): Pass FIRST_PSEUDO_REGISTER to
- call to EXECUTE_IF_SET_IN_REG_SET.
-
-Wed Jul 16 10:57:03 1997 Richard Earnshaw (rearnsha@cambridge.arm.com)
-
- * From Rob Black (r.black@ic.ac.uk) and Mark Brinicombe
- (amb@physig.ph.kcl.ac.uk):
- * configure.in (arm-*-netbsd*): New configuration.
- * arm/netbsd.h, arm/t-netbsd, arm/xm-netbsd.h: New files.
-
-Wed Jul 16 10:57:03 1997 Richard Earnshaw (rearnsha@cambridge.arm.com)
-
- * arm.c (tune_flags): New variable.
- (target_{cpu,fpe}_name): Delete.
- (arm_fpu_arch): New variable.
- (arm_select): Also allow -march=... to configure just the
- architecture.
- (all_procs): Allow armv{2,2a,3,3m,4,4t} for use with -march=.
- (arm_override_options): Handle -march=, but don't let -mcpu=
- and -mtune= match the architecture names, since we can only
- tune for an implementation. Rework selection of tuning options
- for floating point.
- (use_return_insn): Support interworking with Thumb code.
- (arm_rtx_costs): Rework multiply costs so that cost is based on
- the tune, not the architecture.
- (f_register_operand): New function.
- (output_return_instruction): Support interworking with Thumb code.
- (output_func_epilogue): Support interworking with Thumb code.
- Remove redundant calculation of code_size. Use floating-point
- load-multiples if permitted.
- (emit_sfm): New function.
- (arm_expand_prologue): Use floating-point store-multiples if
- permitted.
-
- * arm.h (CPP_CPU_ARCH_SPEC): Handle -march=...
- (TARGET_OPTIONS): Add arch= and fp=. Delete fpe=.
- (enum processor_type): Add PROCESSOR_NONE, for use in all_procs table.
- (FP_DEFAULT): Default floating point architecture for generic
- back-end.
- (PREDICATE_CODES): Add f_register_operand.
-
- * arm.md (*push_fp_multi): New pattern.
-
-
-Tue Jul 15 22:08:47 1997 Jim Wilson <wilson@cygnus.com>
-
- * Makefile.in (exeext): Set to build_exeext not exeext.
- * configure.in (exeext): Delete redundant set and AC_SUBST call.
- Change remaining AC_SUBST to use build_exeext instead of exeext.
-
-Tue Jul 15 15:48:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
-
- * configure.in: Fix calculation if default thread support is enabled.
-
-Tue Jul 15 13:38:46 1997 Mike Meissner <meissner@cygnus.com>
-
- * rtl.h (replace_regs): Declare.
-
-Mon Jul 14 16:18:19 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * i960.h (ASM_OUTPUT_MI_THUNK): Define.
-
- * dwarf2out.c (gen_subprogram_die): Remove unreachable and redundant
- code.
-
-Mon Jul 14 14:22:45 1997 Jeffrey A Law (law@cygnus.com)
-
- * calls.c (emit_library_call): Use right index into argvec array
- when iterating over arguments which need to be pushed on the stack.
- (emit_library_call_value): Likewise.
-
-Mon Jul 14 08:17:41 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * gcc.c (convert_filename): Fix typo.
-
-Mon Jul 14 08:10:12 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * configure.in: Clear headers and lib2funcs before re-reading
- config-lang.in.
-
- * m68k/linux.h (LINK_SPEC): Fix last change.
-
-Mon Jul 14 08:03:38 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
-
- * configure.in (sparc-*-linux-gnu{*,libc1*}): Add sparc/t-linux.
- * sparc/t-linux: New file.
-
- * alpha/elf.h (LINK_SPEC): Fix typo.
- * configure.in (alpha-*-linux-gnu*): Set tmake_file.
- * alpha/t-linux: New file.
-
-Mon Jul 14 07:41:37 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
-
- * m68k.c (output_{and,ior,xor}si3): New functions from patterns bodies.
- * m68k.h (output_{and,ior,xor}si3): New extern declarations.
- * m68k.md (adddi3, subdi3): Allow constant operand.
- (anddi3, iordi3, xordi3): New patterns.
- ({and,ior,xor}si3_internal): Use corresponding output_???si3 function.
-
-Mon Jul 14 07:33:11 1997 Fila Kolodny <fila@ibi.com>
-
- * configure.in (*-*-gnu*): Add crt{begin,end}S.o to extra_parts.
-
-Mon Jul 14 07:26:36 1997 Craig Burley <burley@gnu.ai.mit.edu>
-
- * varasm.c (assemble_variable): If low part of size
- doesn't fit in an int, variable is too large.
-
-Mon Jul 14 06:51:37 1997 Mike Meissner <meissner@cygnus.com>
-
- * bitmap.{h,c}: New files.
- * Makefile.in (OBJS): Add bitmap.o.
- (BASIC_BLOCK_H): New make variable for basic-block.h, bitmap.h.
- ({flow,combine,regclass,local-alloc,reload1,reorg,sched}.o): Use
- BASIC_BLOCK_H variable instead of basic-block.h.
- * basic-block.h (*REG_SET): Delete old implementation; use bitmap.h.
- (regset_{size,bytes}): Delete.
- (regs_live_at_setjmp): Declare.
- (EXECUTE_IF_SET_AND_RESET_IN_REG_SET): Delete.
- * flow.c (init_regset_vector): Make global; don't take basic block
- times # of pseduos as argument.
- (life_analysis): Change all init_regset_vector calls.
- Use free_regset_vector to release arrays only flow uses at end.
- (allocate_for_life_analysis): Change init_regset_vector call.
- Don't set regset_{size,bytes}.
- (free_regset_vector): Call FREE_REG_SET to release any
- memory allocated by each vector.
- (propagate_block): Call FREE_REG_SET on dead/live.
- (mark_used_regs): Don't use REGSET_ELT_TYPE anymore.
- * output.h (allocate_for_life_analysis): Add declaration.
- (regno_uninitialized, regno_clobbered_at_setjmp): Likewise.
- (dump_flow_info, flow_analysis): Likewise.
- * regclass.c (init_reg_sets): Invoke INIT_ONCE_REG_SET.
- (allocate_reg_info): Invoke MAX_REGNO_REG_SET.
- (regset_release_memory): Free basic_block_live_at_start storage.
- * reorg.c (mark_target_live_regs): Delete unused variables.
- * sched.c (schedule_block): Free space associated with
- reg_pending_sets and old_live_regs.
- (schedule_insns): Free bb_{dead,live}_regs on first pass.
- (sched_analyze_insn): Use EXECUTE_IF_SET_IN_REG_SET and then clear.
- * toplev.c (rest_of_compilation): Call regset_release_memory.
-
-Mon Jul 14 00:14:13 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * toplev.c (main): Prefer DWARF 2 or stabs with -ggdb.
- * ns32k/tek6000.h (PREFERRED_DEBUGGING_TYPE): DBX_DEBUG.
- * alpha.h (PREFERRED_DEBUGGING_TYPE): SDB_DEBUG.
- * mips.h (PREFERRED_DEBUGGING_TYPE): SDB_DEBUG.
-
-Sun Jul 13 15:11:08 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * stupid.c (stupid_mark_refs): If setting reg set only in this
- insn and not referenced, make REG_UNUSED note.
-
-Sun Jul 13 14:03:19 1997 Michael Meissner <meissner@cygnus.com>
-
- * gcc.c (process_command): If -save-temps and -pipe were specified
- together, don't do -pipe.
-
-Sun Jul 13 12:27:03 1997 Doug Evans <dje@cygnus.com>
-
- * gcc.c (main): Handle blank in version_string when comparing
- with compiler_version.
-
-Sat Jul 12 01:53:55 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * sparc.c (output_function_prologue): Fix offset from CFA.
- (sparc_flat_output_function_prologue): Likewise.
-
-Fri Jul 11 09:49:15 1997 Jeffrey A Law (law@cygnus.com)
-
- * mips.c (epilogue_reg_mentioned_p): Delete unused function.
- (mips_epilogue_delay_slots): Likewise.
- (function_epilogue): Greatly simplify.
- (mips_expand_epilogue): If we have a null prologue/epilogue,
- then use a normal return insn. Emit blockage insns before
- stack pointer adjustments.
- (mips_can_use_return_insn): Renamed from simple_epilogue_p. All
- callers changed. Do not use return insns if $31 is live in the
- function or if generating profiling information.
- * mips.h (DELAY_SLOTS_FOR_EPILOGUE): Delete.
- (ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
- * mips.md (return): Remove expander and change the pattern to
- look like a standard "return" insn.
- (return_internal): Show use of $31 explictly.
- (epilogue expander): Enable.
-
-Thu Jul 10 13:04:53 1997 Doug Evans <dje@cygnus.com>
-
- * cccp.c (INO_T_EQ): Return 0 for MSDOS.
-
- * Makefile.in (CC): Use autoconf value.
-
-Tue Jul 8 18:08:00 1997 Jim Wilson <wilson@cygnus.com>
-
- * dwarf2out.c (gen_subprogram_die): When handling declarations, test
- DECL_CONTEXT not decl_class_context before equate_decl_number_to_die.
-
-Tue Jul 8 16:47:13 1997 Michael Meissner <meissner@cygnus.com>
-
- * rs6000.md (movsi define_split): Use unsigned HOST_WIDE_INT,
- not unsigned.
-
-Sat Jul 7 00:01:41 1997 Jim Meyering <meyering@eng.ascend.com>
-
- * i386/t-sol2 (crt[1in].o): Also depend on $(GCC_PASSES).
-
-Fri Jul 4 11:45:39 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (DWARF_CIE_HEADER_SIZE, DWARF_FDE_HEADER_SIZE,
- size_of_cfi, size_of_fde, calc_fde_sizes, next_fde_offset,
- cie_size): Lose.
- (ASM_OUTPUT_DWARF_STRING): Move earlier.
- (INCOMING_FRAME_SP_OFFSET): Provide default.
- (initial_return_save): Adjust for CFA offset.
- (dwarf2out_frame_debug): Lookup initial CFA offset when setting up.
- (output_call_frame_info): Use label subtraction for length fields.
- Add pointer to exception region information in for_eh case.
- (dwarf2out_do_frame): New fn.
- (dwarf2out_frame_init): Use INCOMING_FRAME_SP_OFFSET.
- (dwarf2out_frame_finish): Don't bother emitting .debug_frame for
- non-Irix targets. Just emit .eh_frame.
- (output_die): Refer to an FDE with label subtraction.
- * i386.h (INCOMING_FRAME_SP_OFFSET): Define.
- * defaults.h (DWARF2_UNWIND_INFO): Define if
- INCOMING_RETURN_ADDR_RTX is provided.
- * final.c (final): Don't call dwarf2out_frame_debug unless we are
- doing dwarf 2.
-
-Thu Jul 3 17:37:52 1997 Jim Wilson <wilson@cygnus.com>
-
- * fp-bit.c (unpack_d): Check fraction not sign to distinquish QNaN.
-
-Wed Jul 2 09:48:03 1997 Michael Meissner <meissner@cygnus.com>
-
- * loop.c (strength_reduce): Make sure register does not exceed the
- table size when looking up the last UID.
-
-Wed Jul 2 07:47:44 1997 Nick Burrett <n.a.burrett@btinternet.com>
-
- * genoutput.c (process_template): Place increment expression
- outside of putchar function call.
-
-Wed Jul 2 06:56:52 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
-
- * sparc/linux.h (LIBGCC_SPEC): Removed.
- (CC1_SPEC): Add %{profile:-p}.
- ({CPP,LIB,LINK}_SPEC): Choose glibc 1 or 2 depending on USE_GNULIBC_1.
- * configure.in (sparc-*-linux-gnulibc1*): New configuration.
-
- * configure.in (powerpc-*-linuxgnu*): Default thread_file is posix.
- Set xmake_file to x-linux. Add extra_parts.
- * rs6000/linux.h (LINK_SPEC): Defined.
-
- * m68k/linux.h (LINK_SPEC): Pass -shared for -shared.
- ({CPP,LINK}_SPEC): Choose for glibc 1 or 2 depending on USE_GNULIBC_1.
- * configure.in (m68k-*-linux-gnu*): Default thread_file is `posix'.
- (m68k-*-linux-gnulibc1): New configuration.
-
- * alpha/elf.h (LINK_SPEC): Change ld-gnu.so.1 to ld-linux.so.2.
- * configure.in (alpha-*-linux-gnu*): Default thread_file is `posix'.
-
-Wed Jul 2 06:12:37 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * alpha.md (divsi3, modsi3, udivsi3): Comment out.
- (extendsfsd2_no_tp): Add alternative with output in MEM, input in REG.
-
- * configure.in (*-linux*): Add "-gnu" to names to match.
-
- * libgcc2.c (_trampoline): Add stdcall attribute to VirtualProtect
- on i386.
-
- * objc/objc.gperf: Renamed from gperf.
-
-Wed Jul 2 05:42:19 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * objc/Make-lang.in ($(srcdir)/objc/objc-parse.c): Fix command
- to use the right file names.
-
-Tue Jul 1 23:25:42 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * reorg.c (redundant_insn): If INSN or possible match has REG_UNUSED
- note, don't have match.
-
-Tue Jul 1 18:36:24 1997 Doug Evans <dje@cygnus.com>
-
- * mips.c (mips_output_external): Don't output .extern's for
- variables in user specified sections unless they're .sbss/.sdata.
-
-Tue Jul 1 18:30:26 1997 Jim Wilson <wilson@cygnus.com>
-
- * cse.c (find_best_addr): Add missing rtx_cost arguments.
-
- * fp-bit.c (float_to_usi): Move code for negative numbers before code
- for infinity. Modify infinty code to only handle positive infinities.
-
-Tue Jul 1 11:16:41 1997 Robert Lipe <robertl@dgii.com>
-
- * fixinc.sco: Restore pwd aftercopy.
- Convert declaration of abs in math.h to prototype.
- Fix static functions in sys/stat.h for C++.
-
-Tue Jul 1 10:55:47 1997 Michael Meissner <meissner@cygnus.com>
-
- * rs6000.md ({add,ior,xor}si3): Change to use define_expand wrapper
- and split add/ior/xor of large constants early.
- (andsi3): Remove 6/29 code to do and of large constants.
- (nor, nand, eqv, maskir): Add names to all logical define_insns.
-
-Tue Jul 1 09:03:35 1997 Jeffrey A Law (law@cygnus.com)
-
- * h8300.h (BIGGEST_FIELD_ALIGNMENT): Remove definition.
- * mips.h (BIGGEST_FIELD_ALIGNMENT): Likewise.
-
-Mon Jun 30 14:58:00 1997 Jeffrey A Law (law@cygnus.com)
-
- * sh.c (sh_expand_epilogue): Emit blockage insn before cutting
- back stack.
-
-Sun Jun 29 11:27:07 1997 Michael Meissner <meissner@cygnus.com>
-
- * rs6000.h (TARGET_FLAGS): Add -m{,no-}update to suppress
- creating load/store with update instructions, and also
- -m{,no-}fused-madd to suppress the generation of fused add and
- multiply instructions. Move debug flags to TARGET_OPTIONS.
- (GO_IF_LEGITIMATE_ADDRESS): Don't allow PRE_{INC,DEC} if -mno-update.
- (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
- (rs6000_debug_{name,stack,arg}): Add declarations.
- (toc_initialized): Likewise.
- (got_no_const_operand): Likewise.
- (PREDICATE_CODES): Add got_no_const_operand.
- (toc_section): Make toc_initialized a global.
- (RTX_COSTS): Set appropriate costs for add, logical operators that
- are really two instructions.
-
- * rs6000.c (rs6000_debug_{name,stack,arg}): Add definitions.
- (rs6000_override_options): Process debug flags.
- (toc_initialized): Global to say toc initialized.
- (small_data_operand): Use #if TARGET_ELF, not #ifdef TARGET_SDATA.
- (rs6000_init_expanders): Likewise.
- (SMALL_DATA_RELOC): Likewise.
- (got_no_const_operand): Recognize SYMBOL_REF and LABEL_REF.
- (rs6000_makes_calls): System V profiling doesn't count as a call.
- (rs6000_stack_info): Likewise.
- (rs6000_output_load_toc_table): Take register number argument to
- determine register to load. Generate correct code if more than
- one toc table is done in System V due to profiling or non-local
- gotos. If System V toc is not initialized, initialize it now.
- (rs6000_allocate_stack_space): Move code from output_prolog to
- allocate stack space. Take -mno-update into account.
- (output_prolog): Call rs6000_allocate_stack_space. Only set
- rs6000_pic_func_labelno if not profiling.
- (output_function_profiler): Implement System V profiling.
- (and_operand): Don't call reg_or_short_operand.
- (rs6000_finalize_pic): If not optimizing, insert a USE of the GOT
- register as the last insn.
-
- * rs6000.md (load/store update): Take -mno-update into account.
- If -msoft-float, support SF load/store with update to GPR regs.
- (allocate_stack): Take -mno-update into account.
- (add/subtract + multiply instructions): Take -mno-fused-madd into
- account.
- (nonlocal_goto_receiver): Specify register # to load.
- ({add,and,ior,xor}si3): Recognize operation done with full 32 bit
- constant, splitting latter if need be.
- (andsi3 define_split): Fix up splitting andsi3 of large constant.
- ({ior,xor}si3 define_split): Use GEN_INT to create integer rtx
- values.
- (movsi_got{,_internal}): Split the load of a CONST into load of
- the SYMBOL_REF/LABEL_REF and an add.
- (movsi): Know that addsi3 can handle large values now for NT.
-
- * sysv4.h (TARGET_SDATA): Remove explicit bit for -msdata.
- (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
- (ASM_OUTPUT_ALIGNED_LOCAL): Likewise.
- (SUBTARGET_SWITCHES): Indicate -m{,no-}sdata doesn't set any flags.
- (ASM_SPEC): Only pass -m{,no-}reg-names if assembling .s/.S files.
- (CC1_SPEC): If -msdata, invoke compiler with -msdata=default.
- (PROFILE_BEFORE_PROLOGUE): Likewise.
- (RS6000_MCOUNT): Define as "_mcount".
- (toc_section): Make toc_initialized a global.
-
-Fri Jun 27 19:01:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
-
- * config/t-linux-gnulibc1: New file.
- * configure.in (i[3456]86-*-linux*): Default thread_file is `posix'.
- (i[3456]86-*-linux*gnulibc1): New case.
- * config/linux.h (LIB_SPEC): Choose for glibc 1 or 2 depending
- on USE_GNULIBC_1.
- * i386/linux.h (CPP_SPEC, LINK_SPEC): Likewise.
-
-Fri Jun 27 19:00:52 1997 Ralf Baechle <ralf@waldorf-gmbh.de>
-
- * config/linux.h (PREFERRED_DEBUGGING_TYPE): Undefine before define.
-
-Fri Jun 27 18:35:04 1997 Alan Modra <alan@spri.levels.unisa.edu.au>
-
- * configure.in: Clean up Make-{host,target,hooks} in all
- subdirs, not just '.'.
- * Makefile.in (distclean): Delete */Make-{host,target,lang,hooks}.
-
-Fri Jun 27 18:27:11 1997 Fila Kolodny <fila@ibi.com>
-
- * config/xm-gnu.h (fcntl.h): Only include if not building libgcc.a.
-
-Fri Jun 27 18:17:44 1997 Doug Evans <dje@cygnus.com>
-
- * configure.frag: Rewrite.
-
- * objc/Make-lang.in (OBJC_CCOMMON): Object files don't go in srcdir.
- (OBJC_OBJS): Likewise.
- (OBJC_O): Likewise.
- (objc-parse.o, objc-act.o): Fix rules.
- (objc/libobjc files): Fix rules.
-
-Fri Jun 27 13:23:38 1997 Andrew Cagney <cagney@tpgi.com.au>
-
- * fp-bit.c (float_to_si): Correct return value when Inf.
-
-Fri Jun 27 10:47:09 1997 Scott Christley <scottc@net-community.com>
-
- * Makefile.in (DLLTOOL): Define.e
- * objc/Make-lang.in (libobjc_entry.o, libobjc_s.a, libobjc.dll):
- New targets.
- (objc.install-normal): Install Objective-C runtime as a DLL.
- (objc.mostlyclean): Clean up files used to build DLL.
- * objc/libobjc.def: New file.
- * objc/libobjc_entry.c: New file.
-
- * objc/sendmsg.c (search_for_method_in_list): No longer static.
-
- * Makefile.in (GCC_THREAD_FILE): Renamed from OBJC_THREAD_FILE.
- * configure.lang (GCC_THREAD_FILE): Likewise.
- * configure.in (--enable-threads): New parameter.
- * objc/Make-lang.in (OBJC_THREAD_FILE): New definition.e
- * objc/config-lang.in: Print message about ObjC thread file.
-
- * cccp.c (INO_T_EQ): Define for Win32 but not Cygwin32.
- * i386/mingw32.h: New file.
- * i386/xm-mingw32.h: New file.
- * configure.in (i[3456]86-*-mingw32): New target.
- * protoize.c (link): Eliminate definition on Win32.
-
- * objc/thr-posix.c (__objc_thread_yield): Use sched_yield instead.
-
-Fri Jun 27 10:36:41 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * stor-layout.c (layout_record, PCC_BITFIELD_TYPE_MATTERS):
- Round up when calculating possible end address.
-
-Wed Jun 25 19:54:29 1997 Jim Wilson <wilson@cygnus.com>
-
- * unroll.c (final_giv_value): Verify that bl->initial_value is
- invariant before trying to use it.
-
-Wed Jun 25 18:13:05 1997 Michael Meissner <meissner@cygnus.com>
-
- * rs6000/sysv4.h (WCHAR_TYPE{,_SIZE}): Make wchar_t long as per
- ABI spec.
-
-Wed Jun 25 16:56:16 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * sparc.h (INCOMING_RETURN_ADDR_RTX): Define.
- (DBX_REGISTER_NUMBER): Fix frame pointer regno for -mflat.
- * sol2.h (DBX_REGISTER_NUMBER): Likewise.
- * sparc.c (save_regs): Emit dwarf2 frame debug info.
- (output_function_prologue, sparc_flat_save_restore,
- sparc_flat_output_function_prologue): Likewise.
-
- * dwarf2.h (enum dwarf_call_frame_info): Add DW_CFA_GNU_window_save.
- * dwarf2out.c (dwarf_cfi_name, output_cfi): Support it.
- (dwarf2out_cfi_label): Make non-static.
- (initial_return_save): Support PLUS.
- (dwarf2out_window_save, dwarf2out_return_save,
- dwarf2out_return_reg): New fns.
-
- * dwarf2out.c (SECTION_FORMAT): Use PUSHSECTION_FORMAT, if defined.
- (DEBUG_INFO_SECTION): Rename from DEBUG_SECTION.
- (DEBUG_LINE_SECTION): Rename from LINE_SECTION.
- * mips/iris6.h: Likewise.
-
-Wed Jun 25 16:25:41 1997 Scott Christley <scottc@net-community.com>
-
- * Makefile.in (GCC_PASSES): Don't define with $(exeext).
- * configure.in ({cc,stage_prefix}_set_by_configure): Eliminate extra
- comma and don't pass value to configure.lang.
- * objc/Make-lang.in (objc-runtime): Add objc-headers.
-
- * configure.in: Execute configure.frag in a shell.
-
- * configure.in (cross_overrides, build_overrides): Default to
- /dev/null to help platforms where sed cannot handle empty filenames.
-
- * Reorganize thread implementation to make a clearly defined
- front-end/back-end interface.
- * objc/thr-{decosf1,irix,mach,os2,posix,pthreads,single}.c: Completely
- rework according to new interface.
- * objc/thr-{solaris,win32}.c: Likewise.
- * objc/thr.c: Likewise.
- * objc/thr.h: Define front-end/back-end interface functions and
- structures.
-
-Wed Jun 25 16:14:10 1997 Ovidiu Predescu <ovidiu@net-community.com>
-
- * Complete implementation of +load.
- * objc/init.c (objc_send_load): New function.
- (objc_class_tree): New structure.
- (create_tree_of_subclasses_inherited_from): New function.
- (__objc_tree_insert_class): New function.
- (objc_tree_insert_class): New function.
- (objc_preorder_traverse): New function.
- (objc_postorder_traverse): New function.
- (__objc_tree_print): New function.
- (__objc_destroy_class_tree_node): New function.
- (class_is_subclass_of_class): New function.
- (__objc_exec_class): Allocate class tree list and load hash table.
- (__objc_send_message_in_list): Rewrite using hash table.
- (__objc_send_load): Remove calls to _objc_load_callback.
- (objc_send_load): Make static. Create Tree of classes resembling
- class hierarchy for all modules. Call __objc_send_load on all of
- the modules in __objc_module_list.
- (__objc_create_classes_tree): New function.
-
- * objc/encoding.h (method_get_sizeof_arguments): Fix typo.
- * objc/objc-api.h (OBJC_ERR_BAD_STATE): New error code.
- On NeXT redefine object_copy and object_dispose to avoid
- a conflict with those defined in system library.
- * objc/selector.c (__objc_register_instance_methods_to_class): New
- function.
- * objc/runtime.h: Likewise. Add missing function prototypes.
-
-Wed Jun 25 15:09:01 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * Makefile.in (Makefile): Execute configure.frag from srcdir.
-
- * Makefile.in (configure): Target is $(srcdir)/configure.
-
-Tue Jun 24 15:18:14 1997 Jim Wilson <wilson@cygnus.com>
-
- * m68k.h (LIMIT_RELOAD_CLASS): Define.
-
- * recog.c (constrain_operands): When checking earlyclobbers, use
- operands_match_p instead of rtx_equal_p.
-
- * dwarfout.c (field_byte_offset): Check for object_offset_in_bits
- greater than bitpos_int and recompute object_offset_in_bytes if true.
-
- * mips.md (movdi_internal): Add x/J alternative.
- (movdi_internal2): Add x/J alternative; change a/I to a/J.
- (movsi_internal1, movsi_internal2): Change x/I alternative to x/J.
-
-Tue Jun 24 08:49:56 1997 Jeffrey A Law (law@cygnus.com)
-
- * pa.h (ASM_OUTPUT_SECTION_NAME): Fix typo.
-
-Mon Jun 23 22:48:00 1997 Jim Wilson <wilson@cygnus.com>
-
- * unroll.c (find_splittable_givs): Set splittable_regs_updates to
- biv_count for reduced givs.
-
-Mon Jun 23 10:51:53 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10200.c, mn10200.h, mn10200.md: New files for mn10200 port.
- * lib1funcs.asm, divmod.c, udivmod.c, udivmodsi4.c: Likewise.
- * t-mn10200, xm-mn10200.h, va-mn10200.h: Likewise.
- * Makefile.in (USER_H): Add va-mn10200.h.
- * varargs.h, stdarg.h: Include va-mn10200.h.
- * configure.in (mn10200-*-*): New target.
-
-Sun Jun 22 06:47:19 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * combine.c (force_to_mode): Don't do anything for ASM_OPERANDS insn.
-
-Sun Jun 22 06:29:28 1997 J. Kean Johnston <jkj@sco.com>
-
- * ginclude/stdarg.h: Protect va_list definition from SCO headers.
- * ginclude/varargs.h: Likewise.
-
-Sat Jun 21 20:56:23 1997 Scott Christley <scottc@net-community.com>
-
- * Make ObjC a front-end language.
- * Makefile.in (LANGUAGES, COMPILERS, .PHONY, stmp-int-hdrs): Remove
- specific references to ObjC compiler and source files.
- ({mostly,dist,maintainer,}clean, install-normal): Likewise
- (OBJC_OBJS, OBJC, OBJECTIVE-C, cc1obj, objc-runtime): Rules deleted.
- (libobjc.a, sublibobjc.a, objc-parse.{o, c, y}): Rules deleted.
- (objc-headers, install-libobjc): Rules deleted.
- * objc/Make-lang.in: New file; from rules deleted above.
- * objc/config-lang.in: New file.
- * objc/Makefile.in: Changes to support ObjC as a front-end language;
- renamed from Makefile.in.
- * objc-act.{c,h}, objc-parse.{c,y}, objc-tree.def: Moved to objc dir.
-
-Sat Jun 21 07:54:36 1997 Robert Lipe <robertl@dgii.com>
-
- * fixinc.sco (math.h): Correct the collision of "exception".
-
-Sat Jun 21 06:51:40 1997 Peter Gerwinski <peter@agnes.dida.physik.uni-essen.de>
-
- * rs6000.c (output_epilog): Name is "GNU Pascal", not all caps.
-
-Sat Jun 21 06:29:19 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
-
- * gcc.c (main): Check for and read ${libdir}/gcc-lib/specs to
- override the default specs.
-
-Fri Jun 20 17:20:15 1997 Jim Wilson <wilson@cygnus.com>
-
- * mips.c (output_block_move): When loading addresses into registers,
- add checks for ABI_N32 and ABI_64.
- (mips_expand_prologue): Add check for SImode in code splitting
- tsize_rtx when it is large_int.
-
-Fri Jun 20 09:07:31 1997 Russell King <rmk92@ecs.soton.ac.uk>
-
- * configure.in (arm-*-linuxaout): New target.
- * arm/lib1funcs-linux.asm, arm/linux-gas.h: New files.
- * arm/linux.h, arm/t-linux, arm/xm-linux.h: New file.
- * xm-linux.h: Undef some macros before defining them.
-
-Thu Jun 19 21:18:20 1997 Jim Wilson <wilson@cygnus.com>
-
- * dwarf2out.c (output_line_info): Always use DW_LNE_set_address instead
- of DW_LNS_fixed_advance_pc for line number addresses.
- (size_of_line_info): Adjust size calculation as per above change.
- (text_end_label): Make it static.
-
-Thu Jun 19 14:55:49 1997 Brendan Kehoe <brendan@cygnus.com>
-
- * toplev.c (xmalloc): Only give the fatal msg if SIZE is non-zero.
-
-Sun Apr 27 23:19:13 1997 Ulrich Drepper <drepper@cygnus.com>
-
- * libgcc2.c (__eh_type): Remove `extern' to make this a definition.
-
-Wed Jun 18 18:10:16 1997 Per Bothner <bothner@cygnus.com>
-
- * dbxout.c (dbxout_type_fields): Skip field if DECL_IGNORED_P.
-
-Wed Jun 18 18:04:33 1997 Mike Stump <mrs@cygnus.com>
-
- * except.c (end_eh_unwinder): If we have a return instruction, we
- have to make sure we use it and don't fall off the end of the
- function in the unwinder.
-
-Wed Jun 18 14:27:58 1997 Mike Stump <mrs@cygnus.com>
-
- * flow.c (find_basic_blocks): Fix end case bug.
-
-Tue Jun 17 18:35:57 1997 Mike Stump <mrs@cygnus.com>
-
- * libgcc2.c (__eh_pcnthrow): Add support -fno-sjlj-exceptions
- -fPIC exception handling on the SPARC.
- * sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
- * libgcc2.c (__eh_ffetmnpc): Remove.
-
-Mon Jun 16 20:28:51 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * collect2.c (extract_string): Null-terminate.
-
-Mon Jun 16 14:38:44 1997 Michael Meissner <meissner@cygnus.com>
-
- * combine.c (set_nonzero_bits_and_sign_copies): Use REG_SET macros
- instead of doing bit operations directly.
- (try_combine,reg_dead_at_p): Ditto.
- * caller-save.c (save_call_clobbered_regs): Ditto.
- * reload1.c (reload): Ditto.
- * local-alloc.c (update_equiv_regs,block_alloc): Ditto.
- * sched.c (schedule_block): Dito.
-
-Sun Jun 15 20:46:12 1997 Jim Wilson <wilson@cygnus.com>
-
- * dwarf2out.c (dwarf2out_frame_debug): Handle IOR.
- (struct limbo_die_struct): Define.
- (TYPE_DECL_IS_STUB): Call decl_ultimate_origin if DECL_ABTRACT_ORIGIN
- is set.
- (limbo_die_count): Delete.
- (libmo_die_list): Define.
- (new_die): Add die to limbo_die_list instead of incrementing
- limbo_die_count.
- (add_AT_location_description): Renamed from add_location_attribute.
- New parameter attr_kind.
- (add_location_or_const_value_attribute, gen_subprogram_die,
- add_bound_info): Change call to add_AT_location_description.
- (add_bound_info): Add call to contains_placeholder_p. Ignore
- MAX_EXPR and VAR_DECL.
- (add_subscript_info): Ignore the index type if it is an unnamed
- integral type.
- (scope_die_for): Move check for function-local tags after code setting
- containing_scope, and add check for non-NULL containing_scope
- (add_type_attribute): If unnamed type, use TREE_TYPE instead.
- (gen_enumeration_type_die, gen_struct_or_union_type_die): Call
- add_child_die if die_parent is NULL.
- (gen_subprogram_die): Ifdef out DW_AT_static_link code.
- (decls_for_scope): Delete decrement of limbo_die_count.
- (dwarf2out_finish): Add code to traverse the limbo_die_list, and
- call add_child_die if die_parent is NULL. Delete limbo_die_count code.
- * mips.c (mips_expand_prologue): If tsize_rtx is large_int, emit two
- insns instead of one splitable insn, setting RTX_FRAME_RELATED_P.
-
-Fri Jun 13 19:33:35 1997 Brendan Kehoe <brendan@cygnus.com>
-
- * fixincludes: Also fix AIX NULL macro in sys/{dir,param,types}.h.
-
-Thu Jun 12 22:53:12 1997 Jim Wilson <wilson@cygnus.com>
-
- * m68k.md (mov[qhs]i): Remove pair of constraints which allow
- offsetable memory addresses to be moved to the same for TARGET_5200.
-
-Thu Jun 12 15:33:01 1997 Jeffrey A Law (law@cygnus.com)
-
- * pa.h (SELECT_RTX_SECTION): Place symbolic operands into the
- data section.
-
- * pa.c (emit_move_sequence): Rewrite code to handle arithmetic
- involving plabels.
-
-Wed Jun 11 08:57:14 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
-
- * tree.c (unsave_expr_now): Avoid recursing into the parts of
- the tree that are RTL.
-
-Thu Jun 12 09:43:55 1997 Jeffrey A Law (law@cygnus.com)
-
- * reorg.c (emit_delay_sequence): Call set_new_first_and_last_insn
- after the new sequence insn has been spliced into the insn chain.
-
-Wed Jun 11 23:10:49 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.md (call, call_value): Use "call" instead of "calls"
- for calls to named functions.
-
-Wed Jun 11 00:22:34 1997 Jim Wilson <wilson@cygnus.com>
-
- * configure, configure.in: Restore changes from Feb 15 to Apr 13
- lost during conversion to autoconf.
-
-Tue Jun 10 18:23:35 1997 Mike Stump <mrs@cygnus.com>
-
- * stmt.c (expand_decl_cleanup): Avoid core dumping when exceptions
- aren't on.
-
-Tue Jun 10 18:22:30 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * collect2.c (extract_string): New fn.
- (main): Use it.
-
-Tue Jun 10 17:40:15 1997 Jim Wilson <wilson@cygnus.com>
-
- * expr.c (emit_group_load): Add case using gen_lowpart.
-
-Tue Jun 10 17:14:58 1997 Michael Meissner <meissner@cygnus.com>
-
- * rs6000/rs6000.c (rs6000_override_options): If -mcpu=403, set
- -mstrict-align as well.
-
- * rs6000/t-ppc{,gas} (MULTILIB_EXTRA_OPTS): Build libraries with
- -mstrict-align.
-
- * configure.in ({powerpc,rs6000}*-*-*): Add embedded targets to
- --with-cpu=n support.
-
-Tue Jun 10 07:06:12 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
-
- * flow.c (mark_used_regs): Fix typo in Jun 4 change.
-
-Mon Jun 9 20:26:26 1997 Jim Wilson <wilson@cygnus.com>
-
- * Makefile.in (MAYBE_USE_COLLECT2): Renamed from MAYBE_USE_COLLECT.
-
-Mon Jun 9 19:42:21 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * fold-const.c (fold): Don't do COND_EXPR -> MIN_EXPR folding if it
- loses information that might be needed by a later use as an lvalue.
-
-Mon Jun 9 19:10:50 1997 Alexandre Oliva <oliva@dcc.unicamp.br>
-
- * configure.in: Don't override a user's setting for prefix
- on platforms that use the native prefix.
-
-Mon Jun 9 19:00:49 1997 Brendan Kehoe <brendan@melange.gnu.ai.mit.edu>
-
- * integrate.c (expand_inline_function): Use the mode of FNDECL's
- result rtl, not the result type itself, in setting ARRIVING_MODE.
-
- * reload1.c (reload): Use xmalloc instead of alloca for the label
- offsets in OFFSETS_AT and OFFSETS_KNOWN_AT.
-
-Mon Jun 9 15:16:52 1997 Mike Stump <mrs@cygnus.com>
-
- * flow.c (find_basic_blocks): Eliminate more dead code, enables
- dead throws to be eliminated.
-
-Mon Jun 9 17:15:50 1997 Stephen L Moshier <moshier@world.std.com>
-
- * alpha.c (check_float_value): Underflow and overflow constants
- are different for FLOAT_VAX and default targets.
-
-Mon Jun 9 16:48:21 1997 Scott Christley <scottc@net-community.com>
-
- * Makefile.in (Makefile): Process language fragments.
- * configure.frag: New file.
- * configure.in: Move language fragment processing to configure.lang.e
-
- * Makefile.in (GCC_PASSES): Prevent all compilers from being
- built when only the C compiler is needed.
-
- * configure.in (cross_overrides, build_overrides): Use absolute
- path to GCC top-level source directory.
-
- * configure.in: Save target alias for language directories.
-
- * configure.in (with-gxx-include-dir): New parameter for
- setting the g++ header file directory.
- * Makefile.in (gxx_include_dir): Use autoconf variable.
-
- * configure.in: Add parameter for setting local prefix.
-
- * configure.lang: New file.
- * configure.in: Move language subdirectory Makefile processing
- into configure.lang.
-
-Mon Jun 9 16:44:47 1997 Jim Wilson <wilson@cygnus.com>
-
- * sched.c (attach_deaths): Fix typo in Jun 4 change.
-
-Mon Jun 9 15:13:00 1997 Marc Lehmann (pcg@goof.com)
-
- * varasm.c (assemble_end_function): Switch back to function
- section after outputting constant pool.
-
-Mon Jun 9 14:47:22 1997 Paul Eggert <eggert@twinsun.com>
-
- * tree.c (change_main_variant): Remove unused function.
- (build_array_type): Remove obsolete references to
- change_main_variant.
- * c-decl.c (complete_array_type): Likewise.
-
- * c-common.c (c_build_type_variant): Don't futz with main type
- variant of array since C Standard requires main type variant of
- array-of-const also be array-of-const.
-
- * Makefile.in: Comment out lines containing just formfeeds.
-
- * Makefile.in (distclean): Remove config.bak.
- (maintainer-clean): Output warning.
- Do not remove `configure'.
-
-Mon Jun 9 14:44:17 1997 J.T. Conklin <jtc@netbsd.org>
-
- * configure.in (*-*-netbsd): Restore changes of Apr 13th lost in
- autoconf conversion: tmake_file now t-netbsd; delete xmake_file.
-
-Mon Jun 9 14:39:29 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * expr.c (expand_builtin, case BUILT_IN_FRAME_ADDRESS):
- Use correct function name in error message.
-
- * Makefile.in (diff): Exclude bi-parser.h.
-
- * i386.h (CC1_CPU_SPEC): Renamed, was CC1_SPEC.
- (CC1_SPEC): New macro.
- (EXTRA_SPECS): Add "cc1_cpu".
- * i386/linux.h (CC1_SPEC): New macro.
-
-Mon Jun 9 13:23:06 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
-
- * m68k/next.h (TARGET_DEFAULT): Use MASK_68040,
- not MASK_68040_ALSO.
- * m68k/mot3300.h, m68k/ccur-GAS.h (TARGET_DEFAULT): Likewise.
-
- * m68k.h (MACHINE_STATE_{SAVE,RESTORE}): Test #ifdef __mcf52000__,
- not if (TARGET_52000); fixed for mc68000 case.
-
- * m68k/mot3300.h (CPP_SPEC): Define __mc68020__ if no -m[c]68000
- command-line option given.
-
-Mon Jun 9 09:19:17 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
-
- * Makefile.in (target_alias): Substitute with target_alias.
-
- * final.c (final_scan_insn): Use single_set to check cc_status.flags.
-
-Mon Jun 9 09:09:07 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * c-common.c (check_format_info): Correct handling of the 'a' flag
- which adds another pointer level.
-
-Sun Jun 8 00:34:25 1997 Jeffrey A Law (law@cygnus.com)
-
- * pa.md (conditional branch insns): Get length right for branches
- to targets which can not be reached with a "bl" instruction.
- * pa.c (output_cbranch): Handle branches to targets which can not
- be reached with a "bl" instruction.
-
- * pa.md (alternate dbra pattern): Remove incorrect pattern.
-
-Sat Jun 7 23:30:25 1997 Jeffrey A Law (law@cygnus.com)
-
- * pa.c (struct defer_plab): Renamed to struct deferred_plabel.
- Remove "symbol" field and replace with "name" field.
- (output_function_epilogue): Don't output deferred plabels here.
- (output_deferred_labels): New function. Output them here instead.
- (output_call): Rewrite long call support.
- * pa.h (ASM_FILE_END): Define.
- (LEGITIMATE_CONSTANT_P): Never accept a function_label_operand.
- * pa.md (HIGH and LO_SUM of function address): Remove patterns.
-
-Fri Jun 6 16:09:04 1997 Mike Stump <mrs@cygnus.com>
-
- * libgcc2.c (__eh_ffetmnpc): Add support for machines that cannot
- access globals after throw's epilogue when -fno-sjlj-exceptions is
- used.
- * rs6000.c (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
- * mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
- (INITIAL_ELIMINATION_OFFSET): Fix RETURN_ADDRESS_POINTER_REGNUM
- for 64 bit words, with 32 bit pointers and variable endianness.
-
-Fri Jun 6 17:27:58 1997 Mike Meissner <meissner@cygnus.com>
-
- * regclass.c (allocate_reg_info): Fix off by one error.
-
-Fri Jun 6 17:17:41 1997 Doug Evans <dje@cygnus.com>
-
- * basic-block.h (EXECUTE_IF_SET_IN_REG_SET): Fix setting of scan_rs_.
- (EXECUTE_IF_SET_AND_RESET_IN_REG_SET): Likewise.
- (EXECUTE_IF_AND_IN_REG_SET): Likewise.
- (EXECUTE_IF_AND_COMPL_IN_REG_SET): Likewise.
-
-Fri Jun 6 15:42:59 1997 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.c (notice_cc_update): Set CC_FCOMI is this is a float compare.
-
-Fri Jun 6 15:12:38 1997 Jim Wilson <wilson@cygnus.com>
-
- * basic-block.h (REG_SET_TO_HARD_REG_SET): Fix typo.
-
- * sched.c (update_flow_info): When add extra REG_DEAD note for original
- dest, handle case where last insn both uses and sets dest.
-
-Thu Jun 5 22:19:36 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * fixinc.irix: Add declaration of __vfork to unistd.h.
-
- * i960/vx960-coff.h (CPP_SPEC): Always define CPU, even if they
- use -ansi; the VxWorks headers assume it's always present.
- * sparc/vxsparc.h (CPP_SPEC): Define, adding the CPU definition to
- what came from sparc.h.
- (CPP_PREDEFINES): Don't define it here.
-
-Thu Jun 5 13:40:33 1997 Mike Meissner <meissner@cygnus.com>
-
- * basic-block.c (OBSTACK_ALLOC_REG_SET): Rename from
- OBALLOC_REG_SET. Add obstack pointer parameter.
-
- * flow.c (function_obstack): Add declaration.
- (life_analysis): Don't allocate the space to hold to vector of
- regsets here.
- (init_regset_vector): Add pointer parameter and delete space
- paramter. Use OBSTACK_ALLOC_REG_SET to allocate. Change callers.
- (propagate_block): Use ALLOCA_REG_SET instead of bare alloca.
-
- * sched.c (schedule_block): Fix typo in yesterday's changes.
- * reorg.c (mark_target_live_regs): Ditto.
-
-Thu Jun 5 09:44:49 1997 Jeffrey A Law (law@cygnus.com)
-
- * sh.c (trap_exit, sp_switch): New variables.
- (print_operand, case '@'): If trap_exit is nonzero, then use
- a trapa instead of an rte/rts to exit the current function.
- (sh_expand_prologue): Switch stacks at function entry as needed.
- (sh_expand_epilogue): Similarly at function exit.
- (function_epilogue): Clear trap_exit and sp_switch too.
- (sh_valid_machine_decl_attribute): New function.
- * sh.h (VALID_MACHINE_DECL_ATTRIBUTE): Define.
- (sp_switch): Declare.
- * sh.md (sp_switch_1, sp_switch_2): New named patterns.
-
-Wed Jun 4 18:11:14 1997 Michael Meissner <meissner@cygnus.com>
-
- * basic-block.h (REGSET_ELT_BITS): Make this explicitly unsigned, so
- that division and modulus of REGSET_ELT_BITS uses a pure shift.
- (*_REG_SET): New macros to abstract the register set interface.
-
- * caller-save.c (save_call_clobbered_regs): Use new *_REG_SET
- macros.
- * flow.c (life_analysis,propagate_block,insn_dead_p): Ditto.
- (regno_uninitialized,regno_clobbered_at_setjmp,mark_set_1): Ditto.
- (mark_used_regs,dump_flow_info,global_conflicts): Ditto.
- global.c (mark_elimination): Ditto.
- * reorg.c (mark_target_live_regs): Ditto.
- * sched.c (sched_{analyze_{1,insn},note_set}): Ditto.
- (birthing_insn_p,attach_deaths,unlink_notes,schedule_block): Ditto.
-
- * sched.c (sometimes structure): Delete offset, bit fields, replace
- with regno.
- (new_sometimes_live): Take regno argument, not offset and bit.
- Change all callers.
-
-Tue Jun 3 19:18:36 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * fixincludes: Fix AIX NULL macro use of void*.
-
-Tue Jun 3 15:21:04 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * sparc.h (ASM_OUTPUT_MI_THUNK): Handle -fpic.
-
-Mon Jun 2 16:53:53 1997 Michael Meissner <meissner@cygnus.com>
-
- * loop.c (n_times_{set,used}): Make type int, not short.
- (scan_loop): n_times{set,used} are now int pointers.
-
- * sched.c (sched_reg_n_deaths): Remove unused variable.
- (struct sometimes): Make fields int sized, not short.
- (schedule_insns): Don't set sched_reg_n_deaths, nobody uses it.
-
- * regclass.c (allocate_reg_info): Allocate the space for
- reg_renumber, but don't set reg_renumber unless new argument
- RENUMBER_P is set. If this is the first call for the function and
- we need to grow space, use free/xmalloc instead of realloc since we
- will be initializing the whole array. If number of registers is <
- 0, just free up the space.
- (reg_scan): Update allocate_reg_info call.
-
- * regs.h (allocate_reg_info): Change prototype.
-
- * flow.c (allocate_for_life_analysis): Update allocate_reg_info
- call.
-
- * local-alloc.c (local_alloc): Call allocate_reg_info to allocate
- and initialize the reg_renumber array.
- * stupid.c (stupid_life_analysis): Ditto.
-
-Mon Jun 2 14:50:06 1997 Dave Miller <davem@jenolan.rutgers.edu>
-
- * sparc/sparc.md (v9 eq/ne cond move patterns): Add early clobber
- constraint to destination.
-
-Fri May 30 11:00:44 1997 Michael Meissner <meissner@cygnus.com>
-
- * regs.h (reg_info): New structure to group the arrays indexed by
- register number created by reg_scan and flow_analysis that are
- globally visiable.
- (reg_n_info): Pointer to the register information array.
- (reg_n_{refs,sets,deaths,calls_crossed}): Delete variables.
- (reg_changes_size): Ditto.
- (REG_N_{REFS,SETS,DEATHS,CALLS_CROSSED}): New macros to reference
- reg_n_info.
- (REG_{CHANGES_SIZE,{FIRST,LAST,LAST_NOTE}_UID}): Ditto.
- (allocate_reg_info): Add declaration.
-
- * basic-block.h (reg_basic_block): Delete.
- (REG_BASIC_BLOCK): Use reg_n_info structure.
-
- * caller-save.c: Change all references to the above arrays to use
- the corresponding macro to access the reg_n_info array.
- * combine.c, cse.c, flow.c, global.c, jump.c, local-alloc.c: Ditto.
- * loop.c, regclass.c, reload1.c, sched.c, stupid.c, unroll.c: Ditto.
-
- * regclass.c (allocate_reg_info): New function to allocate the
- reg_info array and initialize the appropriate fields.
- (reg_scan): Call it.
-
- * flow.c (allocate_for_life_analysis): Call allocate_reg_info to do
- the actual allocation.
-
-Thu May 29 15:42:59 1997 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.md (movsfcc_1, movdfcc_1, movxfcc_1): Use singlemove_string
- for float conditional move when destination and operands all differ.
-
- * i386.h (ASM_OUTPUT_REG_{PUSH,POP}): add %% before register name.
-
- * go32.h (ASM_OUTPUT_ALIGN): Use .p2align, not byte alignments.
-
-Wed May 28 20:44:00 1997 Mike Stump <mrs@cygnus.com>
-
- * except.c (push_eh_entry): Eliminate start of exception region
- label, as it isn't used. Rename end_label to outer_context.
- (expand_eh_region_start_for_decl): Likewise.
- (expand_leftover_cleanups): Likewise.
- (expand_start_all_catch): Likewise.
- * except.h (eh_entry): Likewise.
- * except.c (expand_eh_region_end): Likewise. Jump around the nop
- that we insert, so that we can optimize it away, if it is unused,
- also so that flow analysis can tell if we fall through to the end
- of a function or not so that it can know if a function that returns
- a value, in fact does or not.
-
-Wed May 28 10:50:09 1997 Jeffrey A Law (law@cygnus.com)
-
- * pa.md (jump): Handle out of range unconditional jump
- when not optimizing.
-
-Thu May 22 00:57:07 1997 Jeffrey A Law (law@cygnus.com)
-
- * reload1.c (reload_cse_record_set): Ignore values for SREG if
- their mode is narrower than DEST_MODE.
-
- * pa.h (DFMODE_RETURN_STRING): Define.
- (SFMODE_RETURN_STRING): Likewise.
- (ASM_DECLARE_FUNCTION_NAME): Use them.
-
-Wed May 21 23:32:02 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.md (reload_insi): Handle SUBREG properly.
-
-Tue May 20 22:32:13 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (dwarf2out_def_cfa): Set cfa_reg at the top.
-
-Tue May 20 16:57:50 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * cplus-dem.c (do_type): Handle `J'.
- (demangle_fund_type): Print "complex" for it.
-
-Mon May 19 21:01:53 1997 Jim Wilson <wilson@cygnus.com>
-
- * m68k.c (output_move_qimode): Add coldfire support.
- * m68k.h (PUSH_ROUNDING): Add coldfire support.
- * m68k.md (scc0_di, scc_di, seq, sne, sgt, sgtu, slt, sltu, sge, sgeu,
- sle, sleu): Add coldfire support.
-
-Mon May 19 17:53:34 1997 Mike Meissner <meissner@cygnus.com>
-
- * rs6000/rs6000.c: (rs6000_pic_func_labelno): New variable to hold
- the pic label number for the function's LCL label.
- (rs6000_output_load_toc_table): Use it.
- (output_prolog): Store current value.
-
-Sun May 18 16:32:08 1997 Michael Meissner <meissner@cygnus.com>
-
- * config/dbxcoff.h (ASM_OUTPUT_SOURCE_LINE): Use the macros
- ASM_{GENERATE,OUTPUT}_INTERNAL_LABEL to create/output the line
- number label.
-
-Sun May 18 13:55:12 1997 John Vickers (john@rhizik.demon.co.uk)
-
- * m68k.h (TARGET_SWITCHES): Add new target name, cpu32.
-
-Sun May 18 13:50:10 1997 Pat Rankin <rankin@eql.caltech.edu>
-
- * cccp.c (VMS_write, VMS_read): Delete.
- (safe_write): If MAX_WRITE_LEN is defined, limit
- incremental write attempts to that amount.
- (safe_read): Analogous situation for MAX_READ_LEN.
- * cpplib.c (safe_read): Likewise.
- * vax/xm-vms.h (MAX_WRITE_LEN, MAX_READ_LEN): Define.
-
- * vax/xm-vms.h (get_dynamic_handler_chain_libfunc): New macro.
- (protect_cleanup_actions_with_terminate): New macro.
-
-Sun May 18 08:50:25 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * m68k/linux.h (ASM_COMMENT_START): Define.
- * m68k/linux-aout.h (ASM_COMMENT_START): Define.
-
- * reload1.c (reload_cse_regno_equal_p): Check for value using more
- than one register on a big endian machine.
-
-Sun May 18 08:39:59 1997 Vince Del Vecchio <vdelvecc@spd.analog.com>
-
- * loop.c (maybe_eliminate_biv_1): In (set (cc0) <biv>) case,
- swap compare operands when mult_val < 0 in one additional place.
-
-Sun May 18 08:33:30 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * dwarf2out.c (ASM_COMMENT_START): Add default definition.
-
- * Makefile.in (maintainer-claean): Delete configure.
-
-Sun May 18 08:31:59 1997 Scott Christley <scottc@net-community.com>
-
- * configure.in: New file.
- * Makefile.in: Change to utilize autoconf variables.
- * configure: Now an output file.
-
-Sun May 18 07:48:31 1997 J.T. Conklin <jtc@netbsd.org>
-
- * m68k.md (mov[qhs]i,movstrict[qs]i, mulsi3): Use 'Q' constraint
- for TARGET_5200.
- * m68k.h (EXTRA_CONSTRAINT): New macro.
-
- * m68k.h (TARGET_SWITCHES): Add 68020-60.
- Mask out bits which indicate a particular processor when a different
- processor is selected.
- (MASK_68040_ALSO): Remove.
- (MASK_68040): Change to be a single bit.
-
- * m68k.h (TARGET_ALIGN_INT, MASK_ALIGN_INT): New macros.
- (BIGGEST_ALIGNMENT): Determine according to TARGET_ALIGN_INT.
- (TARGET_SWITCHES): Add align-int and no-align-int.
-
- * m68k.md (mov[qhs]i}): Add pair of constraints which allow
- offsetable memory addresses to be moved to the same for TARGET_5200.
-
- * m68k.c (output_move_strict{hi,qi}): New functions.
- * m68k.h (output_move_strict{hi,qi}): Declare.
- * m68k.md (movstrict*): Changed into define_expands.
- Split insns into m68k and coldfire specific versions with appropriate
- constraints.
-
-Sun May 18 07:26:40 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
-
- * libgcc2.c (atexit): Cast malloc and realloc calls.
-
-Sat May 17 16:26:51 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
-
- * final.c (profile_function): Call function_section, not
- text_section.
-
-Sat May 17 16:01:00 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
-
- * cse.c (notreg_cost): New function, extracted from COST macro.
- (COST): Use notreg_cost.
-
-Sat May 17 15:13:23 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * cse.c (cse_insn): Don't record a SRC that's a MEM and the same
- as a REG_EQUIV note if DEST is set more than once.
-
-Fri May 16 14:50:57 1997 Jeffrey A Law (law@cygnus.com)
-
- * pa.c (output_move_double): Handle loading a general register
- from a scaled indexed memory address.
- * pa.md (movdf, movdi): Allow scaled loads into general registers.
-
-Fri May 16 13:31:08 1997 Mike Stump <mrs@cygnus.com>
-
- * rs6000.c (rs6000_stack_info): Only do eabi setup for "main",
- when main is the global main, not some nested routine that
- happens to be called main.
-
-Thu May 15 17:19:50 1997 Mike Stump <mrs@cygnus.com>
-
- * except.c (expand_start_all_catch): If the machine needs to
- perform any actions at the start of an expcetion handler that
- hasn't already been done, use gen_exception_receiver to emit it.
- (expand_leftover_cleanups): Likewise.
- * alpha/alpha.md (exception_receiver): Use it.
- * pa/pa.h (exception_receiver): Use it.
-
-Thu May 15 08:36:59 1997 Jeffrey A Law (law@cygnus.com)
-
- * dbxout.c (dbxout_function_end): Don't subtract one from
- the end of function scoping stab.
-
-Wed May 14 23:27:09 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.md (adddi3, subdi3): Remove expanders and patterns.
-
-Wed May 14 18:51:35 1997 Mike Stump <mrs@cygnus.com>
-
- * function.c (expand_function_end): Make sure we finish off any
- leftover exception handlers.
-
-Tue May 13 14:07:01 1997 Mike Stump <mrs@cygnus.com>
-
- * expr.c (expand_builtin_setjmp): Remove setting of
- current_function_has_nonlocal_goto, as this isn't a goto.
-
-Tue May 13 14:47:40 1997 Richard Earnshaw (rearnsha@cambridge.arm.com)
-
- * arm.h (CPP_SPEC): Fix typo invoking cpp_endian.
- * arm/t-semi (LIB2FUNCS_EXTRA): Build fp-bit.c when compiling
- with -msoft-float.
- * arm.c: Add prototypes for all static functions.
- (output_multi_immediate, int_log2): Make static.
-
- * arm.h (*_SPEC): Remove all references to mle/mbe.
- * arm/coff.h (MULTILIB_DEFAULTS): Likewise.
- * arm/t-bare (MULTILIB_OPTIONS): Change options mbe/mle to mbig-endian
- and mlittle-endian.
- (MULTILIB_MATCHES): Nothing matches that matters.
-
-Mon May 12 20:42:20 1997 Mike Stump <mrs@cygnus.com>
-
- * except.c (expand_start_all_catch): If the machine needs a
- nonlocal_goto_receiver, add one at the start of the exception
- handler.
- (expand_leftover_cleanups): Likewise.
-
-Mon May 12 17:36:28 1997 Jeffrey A Law (law@cygnus.com)
-
- * mips.c (move_operand): Accept any general operand after reload
- has started.
-
-Fri May 9 14:29:33 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.md (udivmodhi4, divmodhi4): Remove expander, give
- corresponding pattern [u]divmodhir4 name. Clear MDR register
- in the udivmodhi4 pattern itself.
- (clear_mdr): Delete pattern.
-
-Thu May 8 18:20:30 1997 Richard Earnshaw (rearnshaw@cambridge.arm.com)
-
- * arm/aout.h (ASM_OUTPUT_LONG_DOUBLE): Delete call to
- arm_increase_location.
- (ASM_OUTPUT_{DOUBLE,FLOAT,INT,SHORT,CHAR,BYTE,ASCII,SKIP}): Likewise.
- (ASM_OUTPUT_ALIGN): Delete all code refering to arm_text_location.
-
- * arm.c (arm_increase_location, get_prologue_size): Delete.
- (arm_naked_function_p): Add declaration.
- (arm_pic_register): Define.
- (all_procs): Delete entries for arm{60,620,70,7d,7di,700i,710c}; add
- entries for arm{7m,7500fe,8}, strongarm and strongarm110.
- (arm_override_options): Rework so that configure can properly set
- the default processor type. Add a warning that PIC code is not yet
- supported.
- (legitimate_pic_operand_p, legitimize_pic_address): New functions.
- (is_pic, arm_finalize_pic): New functions.
- (arm_adjust_cost): New function.
- (const_pool_offset, arm_backwards_branch, short_branch): Delete.
- (arm_insn_not_targeted): Delete.
- (add_constant): If generating AOF syntax, then handle pic specially.
- (output_ascii_pseudo_op): Delete calls to arm_increase_location.
- (function_really_clobbers_lr): Calls followed by a barrier don't
- clobber the link register.
- (output_func_prologue): Handle AOF syntax pic code.
- (output_func_epilogue): Handle cases where lr_save_eliminated is set.
- Delete call to arm_increase_location.
- (arm_asm_output_label): Simplify, since we no-longer need to cache the
- label's address.
- (aof_pic_entry): New function to keep track of pic symbols.
- (aof_dump_pic_table): New function.
-
- * arm.h (TARGET_CPU_arm*, TARGET_CPU_strongarm*, TARGET_CPU_generic):
- define.
- (CPP_ARCH_DEFAULT_SPEC): Set up based on setting of TARGET_CPU_DEFAULT.
- (CPP_SPEC): Split up into sub-rule calls.
- (CPP_CPU_SPEC): Add default definition.
- (CPP_APCS_PC_SPEC, CPP_APCS_PC_DEFAULT_SPEC): Add definitions.
- (CPP_FLOAT_SPEC, CPP_FLOAT_DEFAULT_SPEC): Add definitions.
- (CPP_ENDIAN_SPEC, CPP_ENDIAN_DEFAULT_SPEC): Add definitions.
- (CC1_SPEC): Map legacy -m[236] onto -mcpu=.. and -mapcs-{26,32} as
- appropriate. Similarly for -mbe and -mle to -m{big,little}-endian.
- (EXTRA_SPECS): Define.
- (enum processor_type): New types for arm8 and strongarm.
- (CONDITIONAL_REGISTER_USAGE): Handle flag_pic.
- (LEGITIMIZE_ADDRESS): Likewise.
- (ADJUST_COST): Define.
- (PIC_OFFSET_TABLE_REGNUM): Define.
- (FINALIZE_PIC): Define.
- (LEGITIMATE_PIC_OPERAND_P): Define.
- (OUTPUT_INT_ADDR_CONST): Define.
- (ASM_OUTPUT_MI_THUNK): Delete calls to arm_increase_location.
- (MASK_RETURN_ADDR): Use TARGET_APCS_32 not TARGET_6.
-
- * arm.md (attr cpu): Add new cpu types for arm8 and strongarm.
- (attr ldsched): New attribute, set if processor has a load_delay slot.
- (function_unit core): Rework to handle load delay slots.
- (function_unit loader): New function unit.
- (movsi): Handle pic.
- (pic_load_addr): New expand.
- (*pic_load_addr_based_insn, pic_add_dot_plus_eight): New patterns.
- (peepholes to cause flow to return to a label after a function call):
- Delete, these have been disabled for a while now.
-
- * arm/riscix.h (CPP_SPEC): Rewrite using new sub-components.
- (SUBTARGET_CPU_DEFAULT): Set to TARGET_CPU_arm2.
- * arm/riscix1-1.h (CPP_SPEC): Rewrite using new sub-components.
- (SUBTARGET_CPU_DEFAULT): Set to TARGET_CPU_arm2.
- * arm/semi.h: (CPP_SPEC): Delete.
- (PROCESSOR_DEFAULT): Delete.
- (CPP_APCS_PC_DEFAULT_SPEC): Define.
- * arm/semiaof.h (CPP_SPEC): Delete.
- (CPP_APCS_PC_DEFAULT_SPEC): Define.
- * arm/t-semi (LIBGCC1_TEST): Don't build it.
- (MULTILIB_{OPTIONS,DIRNAMES,EXCEPTIONS}): Build a suitable set of
- cross libraries.
- (LIBGCC): Set to stmp-multilib.
- (INSTALL_LIBGCC): Set to install-multilib.
-
-Thu May 8 15:20:46 1997 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.c (output_float_compare): For pentiumpro use fcomip
- followed by a float stack pop for "compare;pop;pop" cases.
-
-Thu May 8 13:20:20 1997 Chris Torek <torek@elf.bsdi.com>
-
- * fold-const.c (fold, truth_andor): Disable optimization for
- side effects on RHS.
-
-Wed May 7 15:43:57 1997 Mike Stump <mrs@cygnus.com>
-
- * except.c (start_dynamic_handler): Fix so that we can use
- __builtin_setjmp, and default to using __builtin_setjmp instead of
- setjmp.
- * expr.c (expand_builtin_setjmp): New routine, split out from
- existing inline code from expand_builtin.
- (expand_builtin): Split out code into expand_builtin_setjmp.
- * expr.h (expand_builtin_setjmp): Add declaration.
- * libgcc2.c (__sjthrow): Default to using __builtin_setjmp instead
- of setjmp.
- (__sjpopnthrow): Likewise.
- * optabs.c (init_optabs): Likewise.
-
-Wed May 7 18:01:24 1997 Samuel Figueroa <Samuel_Figueroa@next.com>
-
- * rs6000.md (insv): Only combine insert with shift if
- remaining source bits >= destination field size.
-
-Tue May 6 15:48:52 1997 Jason Merrill <jason@gerbil.cygnus.com>
-
- * dwarf2out.c (dwarf2out_begin_prologue): Increment
- current_funcdef_number here.
- (dwarf2out_end_epilogue): Not here.
-
-Mon May 5 18:52:32 1997 Jeffrey A Law (law@cygnus.com)
-
- * h8300.c (notice_update_cc): Use CC_SET_ZN and CC_SET_ZNV.
- (shift_one, shift_two): Set CC_NO_CARRY as needed. Remove
- references to CC_OVERFLOW_0.
- (emit_a_shift): Similarly.
- * h8300.h (CC_OVERFLOW_0): Remove.
- * h8300.md: Use set_zn and set_znv for cc0 tracking.
- (bCC): Restore the comparison is CC_OVERFLOW_UNUSABLE is set and
- the comparison needs the overflow bits.
-
- * mn10300.c (notice_update_cc): Use CC_SET_ZN and CC_SET_ZNV.
- * mn10300.h (CC_NO_CARRY): Define.
- * mn10300.md: Use "set_zn" and "set_znv" to more accurately
- describe cc0 status.
-
-Fri May 2 17:00:33 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c: Reorganize, moving .debug_frame support to the top
- of the file, and compile it if INCOMING_RETURN_ADDR_RTX is defined
- even if DWARF2_DEBUGGING_INFO isn't.
- (EH_FRAME_SECTION): New macro.
- (output_call_frame_info): Handle .eh_frame variant.
- (dwarf2out_def_cfa): Update cfa_*{reg,offset}.
- (dwarf2out_frame_debug): Move cfa_*{reg,offset} to file scope.
- (dwarf2out_end_epilogue): Increment current_funcdef_number here.
- (dwarf2out_decl): Not here.
- (dwarf2out_frame_init, dwarf2out_frame_finish): New fns.
- (dwarf2out_init, dwarf2out_finish): Call them.
- (output_die): Add missing 'case 8:'
- (dwarf2out_decl): Revert other context_die = NULL change.
- (add_bound_info): Restore default case.
-
-Fri May 2 15:30:16 1997 Doug Evans <dje@seba.cygnus.com>
-
- * m32r/m32r.h (LIT_NAME_P): New macro.
- (SMALL_NAME_P): Use it.
- (ASM_OUTPUT_ALIGNED_COMMON): Don't output to scommon if -msdata=none.
- * m32r/m32r.c (addr24_operand): Handle literals.
- (m32r_output_function_prologue): Use IMMEDIATE_PREFIX.
- (m32r_output_function_epilogue): Likewise. Use shorter add insn if
- able.
-
-Fri May 2 14:40:44 1997 David Edelsohn <edelsohn@mhpcc.edu>
-
- * rs6000.h (RS6000_ALIGN): Macro renamed from ALIGN.
- * rs6000.c (rs6000_stack_info): Use it.
-
-Fri May 2 14:15:54 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * reload1.c (reload_cse_noop_set_p): When checking the values
- equivalent to sreg, make sure the mode is right.
-
-Fri May 2 12:53:03 1997 Jeffrey A Law (law@cygnus.com)
-
- * reload1.c (reload_cse_invalidate_regno): Properly set
- the mode for invalidate_regno_rtx.
-
-Thu May 1 14:57:35 1997 Jeffrey A Law (law@cygnus.com)
-
- * pa.md (call_internal_symref): Fix typo.
-
-Thu May 1 14:44:17 1997 Jim Wilson <wilson@cygnus.com>
-
- * mips.c (mips_asm_file_start): Use new macro TARGET_FILE_SWITCHING.
- (mips_asm_file_end): Likewise.
- * mips.h (TARGET_FILE_SWITCHING): Define.
- (NO_DBX_FUNCTION_END): Define.
-
-Thu May 1 09:08:40 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * m68k.c (output_addsi3): Replace "\\;" by "\n\t" in
- assembler templates.
-
-Thu May 1 09:00:42 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * integrate.c (subst_constants, case SUBREG): Cancel changes once
- done with result.
-
-Wed Apr 30 19:45:56 1997 Jim Wilson <wilson@cygnus.com>
-
- * mips.c (override_options): Set mips_split_addresses only if
- TARGET_SPLIT_ADDRESSES is set.
- * mips.h (MASK_SPLIT_ADDR, TARGET_SPLIT_ADDRESSES): New macros.
- (TARGET_SWITCHES): Add -msplit-addresses, -mno-split-addresses.
- * configure (mips*-*-ecoff*, mips*-*-elf*): Set MASK_SPLIT_ADDR
- bit in target_cpu_default2.
-
- * flags.h (current_function_is_thunk): Add extern to declaration.
-
- * dbxout.c (dbxout_function): Test NO_DBX_FUNCTION_END at run time
- instead of compile time.
-
- * unroll.c (set_dominates_use): In second loop, add check for copy_end.
-
- * mips.md (paradoxical_extendhidi2, paradoxical_extendqidi2): New
- patterns.
-
-Wed Apr 30 02:23:24 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * output.h (named_section): Add reloc argument.
- (DECL_READONLY_SECTION): New macro.
- * varasm.c (named_section): Add reloc argument, pass it to
- ASM_OUTPUT_SECTION_NAME.
- (UNIQUE_SECTION, UNIQUE_SECTION_P): Provide defaults.
- (function_section): Pass reloc argument to named_section.
- (variable_section, exception_section): Likewise.
- (output_constant_def_contents): Likewise.
- (assemble_start_function): Use UNIQUE_SECTION_P. UNIQUE_SECTION is
- now a statement.
- (assemble_variable): Likewise.
- * mips/iris6.h (ASM_OUTPUT_SECTION_NAME): Add reloc arg,
- use DECL_READONLY_SECTION.
- * psos.h, ptx4.h, a29k.h, alpha/elf.h, arm/coff.h, h8300.h: Likewise.
- * i386/go32.h, i386/sco5.h, m68k/coff.h, mips/elf64.h: Likewise.
- * mips/netbsd.h, pa.h, rs6000/sysv4.h, sh.h, sparc/sysv4.h: Likewise.
- * config/svr4.h (SELECT_SECTION): Use DECL_READONLY_SECTION.
- (ASM_OUTPUT_SECTION_NAME): Likewise, add reloc argument.
- (MAKE_DECL_ONE_ONLY): Just set DECL_WEAK.
- (UNIQUE_SECTION, UNIQUE_SECTION_P): Define.
- * i386/cygwin32.h (UNIQUE_SECTION_P): Define.
- (SUPPORTS_ONE_ONLY): Define.
- (MAKE_DECL_ONE_ONLY): Lose.
- (ASM_OUTPUT_SECTION_NAME): Add reloc arg, use DECL_READONLY_SECTION.
- * i386/winnt.c (i386_pe_unique_section): Add reloc arg,
- use DECL_READONLY_SECTION.
-
- * mips/iris6.h (CTORS_SECTION_ASM_OP): Change aligment based on ABI.
- (DTORS_SECTION_ASM_OP): Likewise.
-
-Tue Apr 29 16:08:07 1997 Jeffrey A Law (law@cygnus.com)
-
- * pa/lib1funcs.asm (divnorm, modnorm, exitdiv): Fix code to
- negate SImode values.
-
-Tue Apr 29 12:54:14 1997 Mike Stump <mrs@cygnus.com>
-
- * except.c (expand_eh_region_start_tree): Add DECL argument so we
- can better track why the region was made for error reporting.
- * except.h (expand_eh_region_start_tree): Likewise.
- * tree.h (expand_dhc_cleanup): Likewise.
- (expand_dcc_cleanup): Likewise.
- * except.c (expand_eh_region_start_for_decl): New routine.
- * except.h (expand_eh_region_start_for_decl): Likewise.
- * stmt.c (expand_decl_cleanup): Add DECL to call of
- expand_eh_region_start_tree.
- (expand_dcc_cleanup): Likewise.
- (expand_dhc_cleanup): Likewise.
-
- (expand_start_case): Switches introduce conditional contexts.
- (expand_start_case_dummy): Likewise.
- (expand_start_case_dummy): Likewise.
- (expand_end_case): Likewise.
-
-Tue Apr 29 11:45:09 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (dwarf2out_decl): Undo earlier change.
- (constant_size): Likewise.
- (gen_subprogram_die): Handle NULL context_die.
-
- * mips/iris6.h (ASM_OUTPUT_CONSTRUCTOR): Fix for -mabi=64.
- (ASM_OUTPUT_DESTRUCTOR): Likewise.
-
-Mon Apr 28 09:10:19 1997 Jeffrey A Law (law@cygnus.com)
-
- * h8300.c (push_order, pop_order): Add missing initializer
- entries.
-
-Fri Apr 25 19:39:43 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * h8300.c (output_adds_subs): check for adding 0.
-
-Fri Apr 25 14:52:31 1997 Jim Wilson <wilson@cygnus.com>
-
- * configure (i[3456]86-*-freebsdelf*, i[3456]86-*-freebsd*): Use
- t-freebsd instead of x-freebsd.
- * i386/t-freebsd: Renamed from x-freebsd.
-
-Fri Apr 25 12:16:20 1997 Stan Cox <coxs@dg-rtp.dg.com>
-
- * go32.h (DBX_*): Use definitions from config/dbxcoff.h instead.
-
-Fri Apr 25 11:55:54 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * i386/cygwin32.h (MULTIPLE_SYMBOL_SPACES): Define.
-
-Thu Apr 24 18:32:56 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * i386/winnt.c (i386_pe_unique_section): New fn.
- * i386/cygwin32.h (UNIQUE_SECTION): Define.
- (MAKE_DECL_ONE_ONLY): Define.
- (ASM_OUTPUT_SECTION_NAME): Support DECL_ONE_ONLY.
-
- * c-decl.c (implicitly_declare): Don't set DECL_ARTIFICIAL.
-
-Thu Apr 24 17:11:23 1997 Jim Wilson <wilson@cygnus.com>
-
- * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
- TARGET_5200 support.
-
-Thu Apr 24 16:39:25 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * stmt.c (pushcase_range): Check for null range first.
-
-Wed Apr 23 23:06:28 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * reload1.c (reload_cse_record_set): Use push_operand to check for
- changes to the stack pointer.
-
-Wed Apr 23 19:56:01 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * calls.c (expand_call): If we're in a thunk, pass through invisible
- references instead of making a copy.
- * flags.h: Add current_function_is_thunk.
- * function.c: Likewise.
- (init_function_start): Initialize it.
- (push_function_context_to): Save it.
- (pop_function_context_from): Restore it.
- * function.h (struct function): Add is_thunk.
-
-Wed Apr 23 17:47:25 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.c (secondary_reload_class): Handle more cases where we
- need secondary reloads.
- (impossible_plus_operand): Accept anything that involves addition
- of the stack pointer.
- * mn10300.md (reload_insi): Always load the stack pointer into
- the destination (which is always an address register).
- * mn10300.h (STORE_FLAG_VALUE): Remove definition.
- * xm-mn10300.h: Declare malloc, realloc, calloc and free.
-
-Wed Apr 23 14:28:30 1997 Mike Stump <mrs@cygnus.com>
-
- * expr.h (sjthrow_libfunc): Add support for setjmp/longjmp based
- exception handling.
- (sjpopnthrow_libfunc): Likewise.
- (terminate_libfunc): Likewise.
- (setjmp_libfunc): Likewise.
- (longjmp_libfunc): Likewise.
- (get_dynamic_handler_chain_libfunc): Likewise.
- * expr.c (expand_expr, case TRY_CATCH_EXPR): Likewise.
- (expand_expr, case POPDCC_EXPR): Likewise.
- (expand_expr, case POPDHC_EXPR): Likewise.
- * stmt.c (mark_block_as_eh_region): Likewise.
- (mark_block_as_not_eh_region): Likewise.
- (is_eh_region): Likewise.
- (conditional_context): Likewise.
- (expand_start_bindings): Likewise.
- (expand_end_bindings): Likewise.
- (expand_decl_cleanup): Likewise.
- (expand_dcc_cleanup): Likewise.
- (expand_dhc_cleanup): Likewise.
- (expand_cleanups): Likewise.
- * tree.h (mark_block_as_eh_region): Likewise.
- (mark_block_as_not_eh_region): Likewise.
- (is_eh_region): Likewise.
- (conditional_context): Likewise.
- (expand_dhc_cleanup): Likewise.
- * except.c (exception_via_longjmp): Likewise.
- (protect_cleanup_actions_with_terminate): Likewise.
- (current_function_dhc): Likewise.
- (current_function_dcc): Likewise.
- (add_partial_entry): Likewise.
- (get_dynamic_handler_chain): Likewise.
- (get_dynamic_cleanup_chain): Likewise.
- (start_dynamic_cleanup): Likewise.
- (start_dynamic_handler): Likewise.
- (expand_eh_region_start_tree): Likewise.
- (expand_eh_region_start): Likewise.
- (expand_eh_region_end): Likewise.
- (emit_throw): Likewise.
- (expand_leftover_cleanups): Likewise.
- (expand_start_all_catch): Likewise.
- (expand_end_all_catch): Likewise.
- (protect_with_terminate): Likewise.
- (start_eh_unwinder): Likewise.
- (end_eh_unwinder): Likewise.
- (init_eh_for_function): Likewise.
- (save_eh_status): Likewise.
- (restore_eh_status): Likewise.
- (exception_optimize): Likewise.
- * optabs.c (sjthrow_libfunc): Likewise.
- (sjpopnthrow_libfunc): Likewise.
- (terminate_libfunc): Likewise.
- (setjmp_libfunc): Likewise.
- (longjmp_libfunc): Likewise.
- (get_dynamic_handler_chain_libfunc): Likewise.
- (init_optabs): Likewise.
- * except.h: Likewise.
- * libgcc2.c (__default_terminate): Likewise.
- (__terminate): Likewise.
- (__get_dynamic_handler_chain): Likewise.
- (__sjthrow): Likewise.
- (__sjpopnthrow): Likewise.
- * toplev.c (f_options): Likewise.
- * tree.def (TRY_CATCH_EXPR): Likewise.
- (POPDHC_EXPR): Likewise.
- (POPDCC_EXPR): Likewise.
- * config/pa/pa.h: JMP_BUF_SIZE define.
- * config/sparc/sparc.h: JMP_BUF_SIZE define.
-
- * expr.h (cleanups_this_call): Transform uses of cleanups_this_call
- into uses of the cleanups managed by the block code
- (expand_start_bindings and friends). Remove defer_cleanups_to and
- expand_cleanups_to, and use start_cleanup_deferal and
- end_cleanup_deferal instead. Add exception_region,
- target_temp_slot_level, conditional_code,
- last_unconditional_cleanup and cleanup_ptr to struct nesting to
- facilitate conditional cleanups.
- * expr.c (cleanups_this_call): Likewise.
- (init_expr): Likewise.
- (save_expr_status): Likewise.
- (restore_expr_status): Likewise.
- (store_expr): Likewise.
- (expand_expr): Likewise.
- (defer_cleanups_to): Likewise.
- (expand_cleanups_to): Likewise.
- (do_jump, case TRUTH_ANDIF_EXPR): Likewise.
- (do_jump, case TRUTH_ORIF_EXPR): Likewise.
- (do_jump, case COND_EXPR): Likewise.
- * stmt.c (struct nesting): Likewise.
- (expand_return): Likewise.
- (expand_start_bindings): Likewise.
- (expand_end_bindings): Likewise.
- (expand_cleanups): Likewise.
- (start_cleanup_deferal): Likewise.
- (end_cleanup_deferal): Likewise.
- * tree.h (start_cleanup_deferal): Likewise.
- (end_cleanup_deferal): Likewise.
- * calls.c (expand_call): Likewise.
- * function.h (struct function): Likewise.
-
- * except.c (asynchronous_exceptions): Support
- -fasynchronous_exceptions.
- (can_throw): Likewise.
- * toplev.c (f_options): Likewise.
-
- * flags.h (flag_short_temps): Remove support for short temps.
- * calls.c (expand_call): Likewise.
- * toplev.c (flag_short_temps): Likewise.
-
- * stmt.c (expand_start_target_temps): Add for convenience.
- (expand_end_target_temps): Likewise.
- * except.c (jumpif_rtx): Likewise.
- * except.c (jumpifnot_rtx): Likewise.
-
- * stmt.c: Remove all traces of empty_cleanup_list.
-
-Wed Apr 23 17:26:40 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * reload1.c (reload_cse_mem_conflict_p): Don't assume that a
- SUBREG can not conflict with a MEM.
-
-Wed Apr 23 09:48:58 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
-
- * 1750a.md (cmphi): Fixed when next CC user is unsigned.
- (mov[hq]i-[23]): New patterns for mem-indirect moves.
- (movhf,movtqf): Corrected.
- * 1750a.c (memop_valid): Memory indirection now valid.
- (nonindirect_operand): Remove.
- (print_operand): Fix the 'J' output modifier.
- * 1750a.h (FRAME_POINTER_REQUIRED): Not required.
- (INITIAL_FRAME_POINTER_OFFSET,FIX_FRAME_POINTER_ADDRESS): Undefine.
- (FUNCTION_PROLOGUE,FUNCTION_EPILOGUE): Honor -fomit-frame-pointer.
- (ELIMINABLE_REGS,CAN_ELIMINATE,INITIAL_ELIMINATION_OFFSET): Defined.
- (PREFERRED_RELOAD_CLASS): Corrected.
- (CONST_COSTS,ADDRESS_COST,REGISTER_MOVE_COST,MEMORY_MOVE_COST):
- Slight adjustments.
- (ASM_APP_ON,ASM_APP_OFF): Corrected.
- * ms1750.inc (DUCR.M,DUC.M): Defined.
-
-Wed Apr 23 09:41:35 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * reload.c (push_reload): Fix last argument of the call to
- find_dummy_reload.
-
-Wed Apr 23 09:29:14 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * configure (i[3456]86-next-*, m68k-next-nextstep{2,3}*):
- Remove out_file and add extra_objs.
- * config/nextstep.c: Add includes for config.h, stdio.h, and flags.h.
- * {i386,m68k}/t-next (nextstep.o): New rule.
- * m68k/next.h: Remove include of machmode.h.
- * {i386,m68k}/next.c: Files deleted.
-
-Tue Apr 22 20:45:29 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * sparc.h (DBX_CONTIN_LENGTH): Shrink to 1000.
-
-Tue Apr 22 18:21:20 1997 Jim Wilson <wilson@cygnus.com>
-
- * dwarf2out.c (gen_variable_dir): Add test for DW_AT_declaration to
- the old_die if statement, and delete assertion for it.
- (decl_ultimate_origin): Remove last change.
-
-Tue Apr 22 10:22:27 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.c (expand_prologue): End the current sequence before
- counting the tst insns in the current function. Start a new
- one before emitting any prologue instructions.
-
- * mn10300.h (REGISTER_MOVE_COST): Bump up cost of moves in the
- same class.
-
- * mn10300.md (untyped_call): New expander.
-
-Mon Apr 21 16:30:21 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * cse.c (fold_rtx, case PLUS): When seeing if negative of constant
- is around, make sure not dealing with largest negative.
-
-Mon Apr 21 13:57:53 1997 Jim Wilson <wilson@cygnus.com>
-
- * mips/t-ecoff: Set TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
-
- * m68k.c (output_addsi3): New function. From addsi3 pattern.
- * m68k.h (output_addsi3): Add declaration.
- * m68k.md (movqi+2): Add address registers.
- (movxf+1): Disable for TARGET_5200.
- (movxf+2): New pattern for TARGET_5200.
- (addsi3): Add define_expand. Move code to output_addsi3.
- (addsi3_internal): Renamed from addsi3. Disable for TARGET_5200.
- (addsi3_5200): New pattern for TARGET_5200.
-
-Sun Apr 20 10:45:35 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * fold-const.c (operand_equal_p): Constants are not equal if there
- has been an overflow.
-
- * toplev.c (compile_file): Shorten "branch-probabilities" in
- output of times.
-
- * alpha/vms.h (MOD[SD]I3_LIBCALL): Call ots$rem, not ots$mod.
- (DWARF2_DEBUGGING_INFO): Define.
-
- * alpha.c (alpha_need_linkage): Call get_identifier.
-
- * rs6000.c (rs6000_output_load_toc_table): New function.
- (output_prolog): Call it instead of doing it directly.
- * rs6000.md (nonlocal_goto_receiver): New pattern.
-
- * dwarf2out.c: Major cleanup; mostly reformatting.
- Include expr.h.
- Undefine inline ifndef __GNUC__; never define to include static.
- Add "static" to header of all inlined functions.
- Add declarations for all static functions, with prototypes.
- (addr_const_to_string): Use HOST_WIDE_INT_PRINT_* macros.
- (add_AT_*, new_{die,loc_descr,cfi): Don't check for xmalloc
- returning zero.
- (modified_type_die): Add missing parm on recursive call.
- ({reg,based}_loc_descriptor): Add missing arg to call to new_loc_descr.
- (add_const_value_attribute): Use REAL_VALUE_TYPE for fp calculations.
- (output_call_frame_info): Add missing arg to output_cfi call.
- (dwarf2out_def_cfa): Local variable OLD_REG must be unsigned long.
- * Makefile.in (dwarf2out.o): Includes expr.h.
-
- * dwarf2out.c: Cast first arg in all calls to bzero to char *.
- (decl_ultimate_origin): Return NULL if equal to decl.
- (constant_size): Never return more than 4.
- (value_format, case 8): New case.
- (dwarf2out_frame_debug): Use HARD_FRAME_POINTER_REGNUM.
- (based_loc_descr): Likewise.
- (add_bound_info): Delete default case.
- Add cases for CONVERT_EXPR and NON_LVALUE_EXPR; treat like NOP_EXPR.
- Change NOP_EXPR to to recursive call.
- (add_type_attribute): Ignore unnamed subtype of integral or FP.
- (gen_subprogram_die): Use reg_loc_descriptor.
- (dwarf2out_decl): Ignore nested functions.
-
- * fix-header.c, protoize.c, gcov.c: Use symbolic codes for exit.
-
- * final.c (profile_function): Only call ASM_OUTPUT_REG_{PUSH,POP}
- if defined.
-
- * expr.c ({move,clear}_by_pieces_1, expand_assignment): Ensure
- we have unshared rtx before changing flags.
- (store_{constructor,field}): Likewise.
- (expand_expr, case COMPONENT_REF): Likewise.
- (store_expr): Check if TEMP and TARGET are same with rtx_equal_p.
-
- * emit-rtl.c (change_address, init_emit): Delete forward references.
- (rtl_obstack, stack_depth, max_stack_depth): Delete extern decls.
-
-Fri Apr 18 18:25:52 1997 Jim Wilson <wilson@cygnus.com>
-
- * function.c (instantiate_decls): For DECL_INCOMING_RTL, use max
- of type size and mode size in instantiate_decl call.
-
- * fixincludes (sys/lc_core.h): Fix OSF1/4.x namespace pollution.
-
-Wed Apr 16 19:36:53 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (add_bound_info): Use a DIE instead of a location
- expression for variable bounds. Trust a MEM rtx even when
- optimizing.
- (DWARF_FRAME_RETURN_COLUMN): Default to FIRST_PSEUDO_REGISTER.
-
- * expr.c (expand_expr, case RTL_EXPR): If there is no sequence,
- don't set it to const0_rtx.
- * tree.c (array_type_nelts): Don't return any SAVE_EXPRs.
-
-Mon Apr 14 18:12:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
-
- * rs6000.h (RS6000_ITRUNC, RS6000_UITRUNC): Prepend underscores.
- (RS6000_MCOUNT): New macro.
- (ASM_FILE_START): Use RS6000_MCOUNT.
- * rs6000.c (output_function_profiler): Use RS6000_MCOUNT.
- * rs6000/aix31.h (RS6000_{ITRUNC,UITRUNC,MCOUNT}): New macros.
-
-Mon Apr 14 14:37:27 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.c (can_use_return_insn): Include outgoing argument
- area in size computation.
- (expand_prologue): Likewise. No longer diddle with sequences.
- Put register saves just before outgoing argument area.
- (expand_epilogue): Similarly.
- (impossible_plus_operand): New function.
- * mn10300.h (FRAME_POINTER_REQUIRED): Never require a frame pointer.
- (ACCUMULATE_OUTGOING_ARGS, OUTGOING_REG_PARM_STACK_SPACE): Define.
- (impossible_plus_operand): Declare.
- * mn10300.md (reload_insi): New expander to handle pathological
- reload cases.
- (addsi3): Fix CC status.
-
- * mn10300.h (FUNCTION_VALUE): Return addresses in $a0.
- (FUNCTION_VALUE_REGNO_P): Corresponding changes.
- * mn10300.md (call_value_internal): Allow output to be in an
- address register.
-
- * calls.c (emit_library_call): Handle saving of stack slots when
- ACCUMULATE_OUTGOING_ARGS is defined.
- (emit_library_call_value): Likewise.
-
-Mon Apr 14 14:48:15 1997 Jim Wilson <wilson@cygnus.com>
-
- * sh.md (xtrct_left, xtrct_right): New patterns.
-
- * combine.c (get_last_value_validate): New argument insn.
- Add check for memory reference clobbered by later store.
- (record_value_for_reg, get_last_values): Pass in new argument.
-
-Mon Apr 14 14:03:18 1997 Mike Meissner <meissner@cygnus.com>
-
- * configure (powerpc --with-cpu=x): Add embedded powerpcs and 604e.
-
- * rs6000.c (rs6000_override_options): Recognize -mcpu=801, -mcpu=823,
- and -mcpu=604e.
-
-Sun Apr 13 18:43:16 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * reload1.c (invalidate_regno_rtx): New static variable.
- (reload_cse_invalidate_regno): Check whether any earlier registers
- have a multi-register value which includes the register we are
- invalidating.
- (reload_cse_regs): Initialize invalidate_regno_rtx.
-
- * reload1.c (reload_cse_record_set): When setting reg_values for a
- copy from one register to another, use gen_lowpart_common to
- adjust the value correctly if the mode changes.
-
-Sun Apr 13 17:24:48 1997 Doug Evans <dje@cygnus.com>
-
- * expr.c (move_block_from_reg): Try using an integral mov operation
- first.
-
- * calls.c (expand_call): When copying unaligned values into a register,
- zero out the register first rather than emitting a clobber.
-
- * integrate.c (copy_rtx_and_substitute): If FRAME_GROWS_DOWNWARD
- and regno == VIRTUAL_STACK_VARS_REGNUM, round size of stack slot up
- before calling assign_stack_temp.
-
-Sun Apr 13 15:29:38 1997 Ulrich Drepper <drepper@cygnus.com>
-
- * enquire.c (fake_f_rep): Add missing element name in cast.
-
-Sun Apr 13 15:20:05 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * stor-layout.c (layout_record, PCC_BITFIELD_TYPE_MATTERS):
- Fix sign bug in last change.
-
-Sun Apr 13 15:03:38 1997 J.T. Conklin <jtc@netbsd.org>
-
- * m68k.md (movstricthi): Remove extraneous comparisons.
-
- * configure (*-*-netbsd): tmake_file now t-netbsd; delete xmake_file.
- * config/t-netbsd: New file.
- * config/x-netbsd: Removed.
-
-Sun Apr 13 14:51:25 1997 Richard Earnshaw (rearnsha@armltd.co.uk)
-
- * cse.c (canon_reg, cse_insn): Don't examine insn_n_dups if
- recog_memoized fails to find a match.
-
-Sun Apr 13 14:17:26 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * reload1.c (reload_cse_noop_set_p): Add insn parameter. Change
- all callers. If deleting the instruction, remove any earlier
- REG_DEAD note for DREG.
- (reload_cse_simplify_set): If simplifying, remove any earlier
- REG_DEAD note for the new source register.
-
-Sun Apr 13 14:12:08 1997 Pat Rankin <rankin@eql.caltech.edu>
-
- * libgcc2 (L_bb, L_exit): Use 0 rather than NULL for null pointers.
-
-Sun Apr 13 12:53:03 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * m68k/linux.h (ASM_SPEC): Define.
- (STRUCT_VALUE_REGNUM, STATIC_CHAIN_REGNUM, INITIALIZE_TRAMPOLINE):
- Remove definitions, undoing the change of Mar 20 1996.
-
- * m68k.c (output_move_qimode): Optimize pushing one byte if source
- operand does not use stack pointer.
-
- * m68k.md (rotl[shq]i3, rotl[hq]i3+1): Don't directly modify operand.
-
- * m68k.md (tstdi): Add missing parallel around the pattern.
-
-Sun Apr 13 12:51:00 1997 Paul Eggert <eggert@twinsun.com>
-
- * cccp.c, cpplib.c (do_include): Diagnose #import and
- #include_next if pedantic and if not in a system header.
- (do_warning): #warning now causes an error if -pedantic-errors
- is given; this is needed since #warning isn't ANSI.
-
- * toplev.c (lang_options): Add -Wundef, -Wno-undef.
- * c-decl.c (c_decode_option): Ignore -Wundef, -Wno-undef.
-
- * cccp.c, cexp.y (warn_undef): New variable.
- * cpplib.h (struct cpp_options): New member warn_undef.
- (CPP_WARN_UNDEF): New macro.
-
- * cccp.c (main), cpplib.c (cpp_handle_options): Set warn_undef
- from -Wundef and -Wno-undef.
-
- * cppexp.c (cpp_lex) New arg skip_evaluation.
- (cpp_parse_expr): Pass skip_evaluation to cpp_lex.
- Abort if cpp_lex returns NAME.
-
- * cexp.y (exp), cppexp.c (cpp_lex): Optionally warn about undefined
- identifiers that evaluate to 0.
-
-Sun Apr 13 11:43:16 1997 Joel Sherrill <joel@OARcorp.com>
-
- * configure (hppa1.1-*-rtems*): New target.
- * mips/rtems.h: New file.
-
-Sun Apr 13 09:48:26 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * gcov.c (print_usage, open_files): Use FATAL_EXIT_CODE.
- * collect2.c (fatal_perror, fatal, collect_wait): Likewise.
-
- * sparc.c (eligible_for_delay_slot): Clean up and make to agree
- precisely with patterns in MD file.
- * sparc.md (*return_addsi): Change condition to exclude both ints.
- (*return_adddi): Likewise.
- (*return_subsi): New pattern.
-
- * recog.c (validate_replace_rtx_1, case MINUS): New case.
-
-Sun Apr 13 08:20:24 1997 Thomas Bushnell <thomas@gnu.ai.mit.edu>
-
- * i386/gnu.h (TARGET_VERSION): Redefine.
-
-Sun Apr 13 08:15:31 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
-
- * c-typeck.c (lookup_field): Don't recurse unless FIELD is
- a RECORD_TYPE or UNION_TYPE.
-
- * final.c (profile_function): Save the static chain register
- around the call to the profiler function.
-
- * loop.c (invariant_p, case REG): Pointers into frame are not
- invariants if function has nonlocal gotos.
- * reload1.c (reload): If function has nonlocal label, mark all
- caller-saved regs as used.
-
-Fri Apr 11 16:49:06 1997 Doug Evans <dje@seba.cygnus.com>
-
- * m32r.h (REG_ALLOC_ORDER): Restore to original setting.
-
- * m32r.h (UPPER16_P): Fix calculation.
- * m32r.c (two_insn_const_operand): New function.
- (m32r_print_operand): Handle 'X'.
- * m32r.md (movsi): Tweak.
- (*movsi_insn): Output hex value of constants too.
- (movsi define_split): Add.
- (andsi3,orsi3,xorsi3): Output hex value of constants too.
-
-Thu Apr 10 18:39:33 1997 Jim Wilson <wilson@cygnus.com>
-
- * sh.md (sne): Modified to use negc instead of xor.
- (sne+1): New define_split for new sne pattern.
- * sh.c (output_stack_adjust): Reorganize code for readability.
- If size is negative, negate and subtract it instead of adding it.
-
-Wed Apr 9 13:51:07 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.c (output_stack_adjust): When splitting an adjustment into two
- parts, make sure the stack is aligned at all times.
-
-Tue Apr 8 12:34:38 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.h (RETURN_ADDR_RTX): Define.
-
-Mon Apr 7 19:19:57 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.c (count_tst_insns): New function.
- (expand_prologue): Load zero into data and/or address registers
- if any are free and the function has optimizable tst insns.
- (output_tst): If a suitable register is known to have the
- value zero, use it instead of searching for a suitable register.
- * mn10300.h (zero_dreg, zero_areg): Declare.
- (FRAME_POINTER_NEEDED): Frame pointers are not needed if the
- outgoing argument size is zero.
- * mn10300.md (movXX): Optimize loading zero into an address
- register if possible. Optimize loading a DF/DI mode value
- into an address register from a constant memory address.
- (addsi3): Provide alternative which doesn't require a matching
- inout operand.
- (return): Optimize consecutive return instructions.
-
-Mon Apr 7 17:30:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * mips/iris5.h (SUBTARGET_CC1_SPEC): Define.
- (LINK_SPEC, STARTFILE_SPEC): Support -static.
- * mips/iris6.h (SUBTARGET_CC1_SPEC): Define.
- (STARTFILE_SPEC, LINK_SPEC): Support -static.
- * mips.h: (SUBTARGET_CC1_SPEC): Define.
- (CC1_SPEC): Add subtarget_cc1_spec.
- (EXTRA_SPECS): Add subtarget_cc1_spec.
-
-Sun Apr 6 12:24:53 1997 Richard Earnshaw (rearnsha@armltd.co.uk)
-
- * arm.md (incscc): Use a match_operand with cc_register to match
- the condition code register.
- (decscc, *condbranch, *condbranch_reversed, *mov_scc): Likewise.
- (*mov_negscc, *mov_notscc, *cond_return): Likewise.
- (*cond_return_inverted, *ior_scc, *cond_move): Likewise.
- (insv): New expand.
- (andsi_notsi_si): Renamed from *andsi_notsi_si.
- (andsi_not_shiftsi_si): New insn.
- (*minmax_arithsi): Don't match this insn if operand1 is an
- eliminable register.
- ({sin,cos}*): Delete, since the ARM always emulates these its
- faster to call a library function.
- (movsicc, *movsicc_insn): Make operand0 an s_register_operand,
- and operand3 an arm_not_operand. Use cc_register to match the
- condition code register.
- (mov[sd]fcc*): Make operand[0,2] s_register_operands, and operand3
- the nonmemory_operand. Use cc_register to match the condition
- code register.
- (*ifcompare_plus_move): Move before *ifcompare_arith_move. Just do
- a split for the output.
- (*ifcompare_move_plus): Similarly, but relative
- to *ifcompare_move_arith.
- (*if_plus_move, *if_move_plus): New patterns.
- (*ifcompare_arith_arith): Simplify the alternatives down to just one,
- and split the insn before output.
- (*if_arith_arith, *if_arith_move, *if_move_arith): New patterns.
- (*ifcompare_move_not, *ifcompare_not_move): Simplify and split the
- insn before output.
- (*if_move_not, *if_not_move): New patterns.
- (*ifcompare_shift_move, *ifcompare_move_shift): Simplify and split the
- insn before output.
- (*if_shift_move, *if_move_shift): New patterns.
- (*ifcompare_shift_shift): Simplify and split the insn before output.
- (*if_shift_shift): New pattern.
- (*ifcompare_not_arith, *ifcompare_arith_not): Simplify and split the
- insn before output.
- (*if_not_arith, *if_arith_not): New patterns.
- (*ifcompare_neg_move, *ifcompare_move_neg): Simplify and split the
- insn before output.
- (*if_neg_move, *if_move_neg): New patterns.
-
-Sat Apr 5 20:17:43 1997 Michael Meissner <meissner@cygnus.com>
-
- * rs6000/sol-ci.asm (_environ): Don't make _envrion a common
- variable, the lastest assembler doesn't let common variables also
- be a weak symbol.
-
-Fri Apr 4 18:30:12 1997 Jim Wilson <wilson@cygnus.com>
-
- * rs6000/rs6000.md (adddi3): Use non_short_cint_operand instead of
- non_add_cint_operand.
-
-Thu Apr 3 15:08:39 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.c (can_use_return_insn): Add size of fixed stack space
- for function calls into the size of the frame. */
- (expand_prologue, expand_epilogue): Likewise.
- (initial_offset): Corresponding changes..
- * mn10300.h (OUTGOING_REG_PARM_STACK_SPACE): No longer define.
- (STACK_POINTER_OFFSET): Define.
- * mn10300.md (call, call_value expanders): Don't adjust the stack
- pointer here anymore.
-
- * mn10300.md (ashlsi3): Remove some alternatives which are no longer
- needed or desired.
-
-Thu Apr 3 15:06:53 1997 Jim Wilson <wilson@cygnus.com>
-
- * local-alloc.c (no_conflict_p): Reject sequences with foreign insns.
-
- * combine.c (move_deaths): Handle partial REG_DEAD note for
- multi-reg hard register.
-
- * function.c (expand_function_start): Emit queue after expanding
- each dynamic parameter type.
-
- * mips.c (mips_move_2words): Add SIGN_EXTEND support for SYMBOL_REF,
- LABEL_REF, and CONST operands.
-
- * dwarf2out.c: Delete comment referring to README.DWARF.
-
-Wed Apr 2 17:21:23 1997 Jim Wilson <wilson@cygnus.com>
-
- * rs6000.md (ashrdi3_power): Mark alternative 0 as early_clobber
- output.
-
- * rs6000.md (abssi3_nopower define_split): Switch operands of MINUS.
- (nabssi3_nopower define_split): Likewise.
-
-Tue Apr 1 19:30:01 1997 Mike Stump <mrs@cygnus.com>
-
- * libgcc2.c (find_exception_table): Fix to logic to deal with
- functions that are in their own section, such as template
- instantiations, that cause overlapping EH tables.
-
-Tue Apr 1 17:16:22 1997 Jeffrey A Law (law@cygnus.com)
-
- * Makefile.in (USER_H): Add va-mn10300.h
-
- * ginclude/stdarg.h: Include va-mn10300.h.
- * ginclude/varargs.h: Likewise.
- * ginclude/va-mn10300.h: New file.
- * mn10300.c (expand_prologue): If current_function_varargs is nonzero,
- flush d0/d1 back into stack.
- (mn10300_builtin_saveregs): New function.
- (function_arg, function_arg_partial_nregs): New functions.
- (initial_offset): Tweak now that the RP save area is allocated
- and deallocated around each call again.
- * mn10300.h (FIRST_PARM_OFFSET): Now 4.
- (FRAME_POINTER_REQUIRED): Require frame pointer for all non-leaf fcns.
- (REG_PARM_STACK_SPACE): Now 8 bytes.
- (FUNCTION_ARG_REGNO_P): Update for new parameter passing conventions.
- (CUMULATIVE_ARGS, INIT_CUMULATIVE_ARGS): Likewise.
- (FUNCTION_ARG_ADVANCE, FUNCTION_ARG): Likewise.
- (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
- (TRAMPOLINE_TEMPLATE): Don't clobber d0 anymore.
- (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
- (EXPAND_BUILTIN_SAVEREGS): Define.
- * mn10300.md (call, call_value patterns): Allocate and deallocate
- stack slot for return pointer around each call.
-
- * mn10300.h (RTX_COSTS): Refine.
- (CASE_VALUES_THRESHHOLD, NO_FUNCTION_CSE): Likewise.
- * mn10300.c (output_tst): New function.
- * mn10300.md (movdi, movdf): Improve code to load constants into regs.
- (tst insns): Use output_tst to optimize some cases. Add versions to
- encourage more zero extensions instead of sign extensions of HImode
- and QImode values.
- (divsi3, udivsi3): Remove patterns. Replaced by...
- (divmodsi4, udivmodsi4): New expanders/patterns.
- (andsi3): Optimize "and" operations with certain constants.
-
-Tue Apr 1 09:14:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.h: (ADJUST_COSTS): Define.
-
-Fri Mar 28 17:46:13 1997 Jim Wilson <wilson@cygnus.com>
-
- * Makefile.in (LANGUAGES): Add gcov.
- (OBJS): Add profile.o.
- (STAGESTUFF): Add gcov.
- (profile.o, gcov.o, gcov): Add rules to build them.
- (cpp.info, gcc.info, gcc.dvi): Add gcov.texi.
- (install-common): Install gcov.
- * combine.c (distribute_notes): Handle REG_BR_PROB and REG_EXEC_COUNT
- REG_NOTES.
- * sparc.h (OVERRIDE_OPTIONS): Check profile_arc_flag.
- * final.c (LONG_TYPE_SIZE): Define.
- (count_instrumented_arcs): New variable.
- (end_final, profile_after_prologue, leaf_function_p): Add support
- for profile_arc_flag.
- (add_bb): Only call CC_STATUS_INIT if HAVE_cc0.
- * flags.h (profile_arc_flag, flag_test_coverage,
- flag_branch_probabilities): Declare.
- * function.c (expand_function_end): Output NOTE_REPEATED_LINE_NUMBER
- for last line of function.
- * integrate.c (expand_inline_function): Output
- NOTE_REPEATED_LINE_NUMBER after inlined call.
- * jump.c (jump_optimize, follow_jumps, mark_jump_label): Disable some
- optimizations when flag_test_coverage and there is a line number note
- in the way.
- (invert_jump): Add REG_BR_PROB when flag_branch_probabililties.
- * libgcc2.c (__bb_exit_func): Support gcov style output.
- * reorg.c (mostly_true_jump): Use REG_BR_PROB notes when
- flag_branch_probabilities.
- * rtl.c (note_insn_name): Add NOTE_REPEATED_LINE_NUMBER.
- (reg_note_name): Add REG_BR_PROB and REG_EXEC_COUNT.
- * rtl.h (enum reg_note): Add REG_BR_PROB and REG_EXEC_COUNT.
- (REG_BR_PROB_BASE): Define.
- (NOTE_REPEATED_LINE_NUMBER): Define.
- * sched.c (update_flow_info): Handle REG_EXEC_COUNT and REG_BR_PROB
- notes.
- * toplev.c (branch_prob_dump, profile_arc_flag, flag_test_coverage,
- flag_branch_probabilities, branch_prob_dump_file, branch_prob_time):
- New variables.
- (f_options): Add profile-arcs, test-coverage, and
- branch-probabilities.
- (compile_file): Set branch_prob_time. Pass flag_test_coverage to
- init_emit_once. Handle branch_prob_dump. Call init_branch_prob.
- Call end_branch_prob. Call output_func_start_profiler.
- (rest_of_compilation): Handle branch_prob_dump. Call new
- branch_prob pass.
- (main): Set branch_prob_dump.
- * gcov.c, profile.c, gcov-io.h, gcov.texi: New files.
-
-Thu Mar 27 16:52:52 1997 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.h (CPP_CPU_DEFAULT): Define if TARGET_CPU_DEFAULT is not set.
- * i386.h (STACK_BOUNDARY): Define to always be 32.
-
- From J"orn Rennecke <amylaar@cygnus.co.uk>
- * i386.md: (zero_extendhisi2+[12]): use true_regnum instead of REGNO for
- operand 0.
- (zero_extendqisi2+3: use reg_overlap_mentioned_p instead of REGNO
- comparison; use true_regnum instead of REGNO for rtx generation.
-
-Wed Mar 26 12:34:21 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * reload1.c (reload): Call reload_cse_regs.
- (reg_values): New static variable.
- (reload_cse_invalidate_regno): New static function.
- (reload_cse_mem_conflict_p): New static function.
- (reload_cse_invalidate_mem): New static function.
- (reload_cse_invalidate_rtx): New static function.
- (reload_cse_regs): New static function.
- (reload_cse_regno_equal_p): New static function.
- (reload_cse_noop_set_p): New static function.
- (reload_cse_simplify_set): New static function.
- (reload_cse_check_clobbered): New static variable.
- (reload_cse_check_src): New static variable.
- (reload_cse_check_clobber): New static function.
- (reload_cse_record_set): New static function.
-
-Wed Mar 26 07:34:06 1997 Ulrich Drepper <drepper@cygnus.com>
-
- * ginclude/stdarg.h (__va_copy): New definition.
-
-Tue Mar 25 13:43:36 1997 Michael Meissner <meissner@cygnus.com>
-
- * gcc.c (init_spec): If -v, print out that the default spec values
- were being used. Fix prototype to reflect no arguments.
- (set_spec): If specs has not been set, set it up with the default
- specs.
- (read_specs): Move to later in the file so that startfile_prefixes
- has been declared. Process "%include <file>" to include another
- specs file, aborting if the file can't be found. Process
- "%include_noerr <file>: to include another specs file, giving no
- error if the file can't be found. Process "%rename var1 var2" to
- rename a specs variable. Take new argument that indicates whether
- we are processing the main file. Only process % commands if this
- is not the main specs file. Change callers.
- (main): Do not call init_spec if a specs file was found.
- (set_spec,read_specs,do_spec_1): If DEBUG_SPECS is defined, print
- debug information.
-
-Tue Mar 25 14:43:58 1997 Doug Evans <dje@cygnus.com>
-
- * expr.c (emit_push_insn): Delete emission of CLOBBER
- when doing partial push, no longer necessary.
-
- * c-decl.c (grokdeclarator): Pedwarn qualified void function return
- type.
-
-Tue Mar 25 14:28:15 1997 Richard Earnshaw (rearnsha@armltd.co.uk)
-
- * reload.c (find_dummy_reload): New parameter earlyclobber. If set
- then don't use IN for the reload if it also appears elsewhere in
- the insn. All callers changed.
-
-Tue Mar 25 13:20:18 1997 J.T. Conklin <jtc@cygnus.com>
-
- * m68k/lb1sf68.asm (udivsi3): Fix hunk from previous patch that
- did not apply correctly.
-
- * m68k.md (tablejump): Use extl to explicitly sign extend
- index registeron TARGET_5200.
- * m68k/{apollo68.h,coff.h,linux.h,mot3300.h,pbb.h}
- (ASM_RETURN_CASE_JUMP): Likewise.
-
- * m68k.md (mulsi3): Changed into define_expand. Split insn into
- m68k and coldfire specific versions with appropriate constraints.
-
- * m68k.md (movqi): Disable use of address registers for
- TARGET_5200.
-
- * m68k/lb1sf68.asm (__modsi3, __umodsi3): Use mulsl instruction
- instead of __mulsi3 function call on the coldfire.
-
- * m68k.md (bne0_di): Fix typo in last change.
-
- * m68k.md (xorsi3_5200): Correct constraints.
-
- * m68k.c (output_move_{si,hi,qi}mode): New functions.
- * m68k.h (output_move_{si,hi,qi}mode): Declare.
-
- * m68k.md (move{si,hi,qi,di}): Changed into define_expands. Split
- insns into m68k and coldfire specific versions with appropriate
- constraints.
-
-Tue Mar 25 12:18:41 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * Makefile.in (GCC_PASSES): Revert previous change; use
- cc1$(exeext).
-
-Mon Mar 24 16:12:20 1997 Doug Evans <dje@cygnus.com>
-
- * m32r/*: New files.
- * config.sub: Add m32r.
- * configure: Add m32r.
- * longlong.h: Add m32r support.
- * ginclude/{stdarg.h,varargs.h}: Add m32r support.
- * ginclude/va-m32r.h: New file.
-
-Mon Mar 24 15:53:15 1997 Joel Sherrill <joel@OARcorp.com>
-
- * rs6000/rtems.h: Change to a near clone of the powerpc-eabi target.
- * configure (powerpc*-*-rtems): Move before Linux configuration.
-
-Mon Mar 24 14:26:37 1997 Gavin Koch <gavin@cygnus.com>
-
- * ginclude/va-mips.h: For little endian, eabi, objects
- less than __va_reg_size are passed in registers.
-
-Fri Mar 21 00:48:02 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.c (print_operand): Handle 'N'.
-
- * mn10300.c (expand_epilogue): Correctly handle functions
- with large frames, but no callee register saves.
-
- * mn1300.md (movdf, movdi): Handle overlapping moves.
-
- * pa.c (compute_movstrsi_length): Handle residuals correctly.
-
-Thu Mar 20 13:53:30 1997 Michael Meissner <meissner@cygnus.com>
-
- * rs6000.c (easy_fp_constant): If -mrelocatable, consider all fp
- constants to be hard.
-
-Mon Mar 20 13:53:30 1997 Jim Wilson <wilson@cygnus.com>
-
- * rs6000.md (movdf/movsf define_splits): Add SUBREG support.
-
- * rs6000.c (fp_reg_or_mem_operand): Delete.
- * rs6000.h (PREDICATE_CODES): Remove fp_reg_or_mem_operand.
- (fp_reg_or_mem_operand): Delete declaration.
- * rs6000.md (movsf_hardfloat): Use nonimmediate_operand instead
- of fp_reg_or_mem_operand.
-
-Thu Mar 20 08:52:27 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.md (cmpsi): Handle comparing a register with
- itself by adding zero to the reg. Z bit for such an insn is
- inverted.
- * mn10300.c (notice_update_cc): Handle CC_INVERT.
-
- * pa.c (emit_move_sequence): Don't lose for a secondary reload
- to the SAR register if the input is a MEM with an offset that won't
- fit in 14bits.
-
-Wed Mar 19 17:10:44 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * m68k/linux.h (ASM_OUTPUT_MI_THUNK): Define.
-
-Wed Mar 19 16:59:34 1997 Paul Eggert <eggert@twinsun.com>
-
- * cccp.c, cpplib.c (do_error, do_warning): Fix memory leak.
-
- * cccp.c (output_line_directive): Do not output negative line
- numbers when analyzing directives like `#line 0'.
-
- * cexp.y (parse_number, yylex), cccp.c (rescan), cpplib.c
- (cpp_get_token): Unless -lang-c89 is specified, allow C9X-style
- hexadecimal floating-point numbers as preprocessor numbers.
- * cccp.c (c89): New decl.
- (main): Set it to 1 if -lang-c89.
- * cpplib.h (struct cpp_options): New member c89.
- (CPP_C89): New macro.
- * cpplib.c (unsafe_chars): `p' is unsafe before `-' or `+', since it
- might generate a C9X-style hexadecimal floating-point number.
- (cpp_handle_options): Set c89 option to 1 if -lang-c89.
-
-Tue Mar 18 17:05:57 1997 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.h (STACK_BOUNDARY): Determine according to TARGET_ALIGN_DOUBLE.
-
- * i386.c (override_options) Make the default alignment 4 for 486,
- otherwise 2.
-
- * i386/freebsd-elf.h (CPP_SPEC): Remove TARGET_CPU_DEFAULT reference.
- * i386/linux{,-aout,-oldld}.h (CPP_SPEC): Likewise.
-
- * i386/go32.h (DBX_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE,
- NO_STAB_H, ASM_FILE_START, DBX_BLOCKS_FUNCTION_RELATIVE,
- DBX_FUNCTION_FIRST, DBX_OUTPUT_MAIN_SOURCE_FILE_END,
- ASM_OUTPUT_SOURCE_LINE): Added to support stabs.
- (ASM_OUTPUT_SECTION_NAME): Support section attribute.
-
-Tue Mar 18 16:12:28 1997 Jim Wilson <wilson@cygnus.com>
-
- * final.c (shorten_branches): Split all insns before computing insn
- lengths.
- (final_scan_insn, case default): If HAVE_ATTR_length defined, call
- abort for any insn that has a '#' output template.
-
- * expr.c (emit_group_load): Call operand_subword instead of creating
- an explicit SUBREG.
-
- * reload1.c (reload_reg_free_before_p, case
- RELOAD_FOR_OPERAND_ADDRESS): Conflicts with RELOAD_FOR_OPADDR_ADDR
- reloads.
-
- * configure (alpha-dec-osf[23456789]*): Use install-headers-cpio
- for osf4.
-
- * gcc.c (init_spec): Delete parameter. Always initialize extra_specs.
- (process_command, main): Change all callers.
-
- * combine.c (if_then_else_cond): Call copy_rtx to prevent sharing.
-
-Tue Mar 18 14:59:12 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * function.c (assign_parms): Add a REG_EQUIV note to the
- instruction which copies a parameter into a pseudo-register
- whenever there is an associated stack slot, even if the parameter
- actually arrived in a register.
-
-Tue Mar 18 14:24:48 1997 Doug Evans <dje@cygnus.com>
-
- * configure (alpha-dec-osf[23]): Separate osf[23] case.
- * alpha.h (LIB_SPEC): -lprof1 requires -lpdf for OSF 4.
- * alpha/osf2or3.h: New file.
-
-Tue Mar 18 11:32:10 1997 Jeffrey A Law (law@cygnus.com)
-
- * m68k.c (m68k_last_compare_had_fp_operands): New variable.
- * m68k.h (m68k_last_compare_had_fp_operands): Declare it.
- * m68k.md (tst*, cmp*): Turn into define_expand/define_insn pairs.
- Keep track of whether test/compare has fp operands.
- (seq, sne, sgt, slt, sge, sle): Turn into define_expand/define_insn
- pairs. Make expanders FAIL if TARGET_68060 and last comparison/test
- had fp operands.
-
-Tue Mar 18 04:29:29 1997 Richard Earnshaw <rearnsha@armltd.co.uk>
-
- * arm.md (movhi): Handle generation of large constants during
- and after reload.
-
-Mon Mar 17 17:30:24 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * gmicro.h (RETURN_POPS_ARGS): Make sure FUNDECL is non-nil
- before we try to use it.
- * m68k.h (RETURN_POPS_ARGS): Likewise.
- * ns32k.h (RETURN_POPS_ARGS): Likewise.
- * pyr.h (RETURN_POPS_ARGS): Likewise.
-
-Mon Mar 17 17:13:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * stor-layout.c (layout_record, PCC_BITFIELD_TYPE_MATTERS):
- Only add padding if a bit field would otherwise span more units
- of alignment than its base type.
-
-Mon Mar 17 17:03:55 1997 J.T. Conklin <jtc@cygnus.com>
-
- * m68k.md (beq0_di, bne0_di, bge0_di, blt0_di): Use cmpw #0
- instead of tstl when testing address registers on the 68000.
-
- * m68k/lb1sf68.asm: Fix prologues/epilogues to deal with the lack
- of predecrement/postincrement addressing modes in the coldfire
- moveml instruction.
-
-Mon Mar 17 17:00:14 1997 Scott Christley <scottc@net-community.com>
-
- * Fix long standing bug where first method call for a class could
- result in a garbled stack or produce an incorrect return value.
- * objc/sendmsg.c (__objc_block_return): Remove function.
- (__objc_word_return, __objc_double_return): Remove functions.
- (__objc_get_forward_imp): New function.
- (__objc_init_dispatch_tables): Install zero instead of
- __objc_init_install_dtable.
- (__objc_init_install_dtable): No longer call the method but
- allow objc_msg_lookup return it for normal execution.
- (obj_msg_lookup): Differentiate between when a method isn't
- implemented and when the dispatch table needs to be installed.
- Return the IMP when the dispatch table is installed versus
- having __objc_init_install_dtable call it.
- (get_imp): Install dispatch table if needed and return IMP
- from the newly installed dispatch table.
- (__objc_responds_to): Install dispatch table if needed before
- checking if method is implemented.
-
-Mon Mar 17 16:29:38 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * tree.c (build_{index,range}_type): Ensure expressions for min
- and max value are in same obstack as type.
-
-Mon Mar 17 15:44:18 1997 Pat Rankin <rankin@eql.caltech.edu>
-
- * cccp.c [#if VMS] (O_RDONLY, O_WRONLY): Delete (redundant).
- (BSTRING): Delete (obsolete; usage occurs prior to definition).
- (do_include): Handle old VAX C style includes better.
-
-Mon Mar 17 13:46:47 1997 Paul Eggert <eggert@twinsun.com>
-
- * cexp.y, cppexp.c (parse_number): Invalid integer constants are
- errors if pedantic.
- * cexp.y (yylex): Invalid multibyte characters are errors if pedantic.
- * cppexp.c (cpp_lex): Likewise.
- * cppexp.c (cpp_parse_escape): Character constants that do not fit are
- errors if pedantic.
-
- * c-parse.in (expr_no_commas): Do not store temporary
- skip_evaluation increments on yacc value stack.
-
-Sun Mar 16 19:54:49 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * expr.c (expand_expr, case PLACEHOLDER_EXPR): Refine which
- object is picked.
-
-Sun Mar 16 15:45:45 1997 Jeffrey A Law (law@cygnus.com)
-
- * loop.c (strength_reduce): Adjust BENEFIT appropriately if an
- autoincrement memory reference will eliminate add insns.
-
-Sun Mar 16 08:41:40 1997 Scott Christley <scottc@net-community.com>
-
- * i386.md (untyped_call): Re-enable code.
- * objc/sendmsg.c (__objc_block_return): New function.
- (__objc_word_return, __objc_double_return): New functions.
- (__objc_init_install_dtable): Call appropriate return function
- based upon method type.
- * objc/thr-pthreads.c: Correct include path.
-
-Sat Mar 15 07:58:33 1997 Scott Christley <scottc@net-community.com>
-
- * objc-act.c (OBJC_VERSION): Increment version.
- * objc/init.c (OBJC_VERSION): Likewise.
-
-Sat Mar 15 07:58:00 1997 Ovidiu Predescu <ovidiu@net-community.com>
-
- * Implement +load.
- * objc/init.c (objc_send_load, __objc_send_load): New functions.
- (__objc_send_message_in_list): New function.
- (__objc_force_linking): New function.
- (__objc_exec_class): Don't call _objc_load_callback here.
- * objc/linking.m: New file.
- * objc/sendmsg.c (class_add_method_list): Check for the +load method
- when adding a methods list to a class.
- * objc/Makefile (OBJC_O): Add linking.m.
-
- * Allow methods defined in categories to override methods that are
- defined in the class implementation.
- * objc/sendmsg.c (__objc_install_methods_in_dtable): New function.
- (class_add_method_list): Don't check anymore for duplicate methods.
-
- * config/nextstep.h (INCLUDE_DEFAULTS): Define to something useful
- when cross-compiling.
-
- * The static instances list moved from the objc_module struct to
- objc_symtab struct, at the end of defs array. This now allows the NeXT
- gdb to work with binaries generated for the GNU ObjC runtime.
- * objc-act.c (build_objc_symtab_template): Make sure
- defs in objc_symtab is a NULL terminated array.
- (init_def_list): Attach statics to end of def list.
- (init_objc_symtab): Take statics list into account.
- (init_module_descriptor, build_module_descriptor): Don't add statics.
- (generate_static_references): Indicate that statics are used.
- (finish_objc): Process statics in the beginning.
- * objc/objc-api.h (objc_module): Eliminate statics variable.
- * objc/init.c (__objc_exec_class): Access statics from their
- new place in the defs variable.
-
-Sat Mar 15 07:29:15 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * reload.c: Include expr.h.
- (find_reloads_address, find_reloads_address_1): New argument INSN.
- (find_reloads_address_1): Reload inside of p{re,ost}_{in,de}c
- instead of entire p{re,ost}_{in,de}c where appropriate.
- * Makefile.in (reload.o): Added expr.h to dependencies list.
-
-Sat Mar 15 07:17:12 1997 Richard Henderson <rth@tamu.edu>
-
- * reload.h (eliminate_regs): Add STORING arg.
- * reload1.c (eliminate_regs): Likewise.
- (eliminate_regs, case SET): Pass that we are storing to recursive call.
- (eliminate_regs, case SUBREG): If storing and same number of words,
- use larger mode.
- * caller-save.c, dbxout.c, dwarfout.c, dwarf2out.c, reload.c, sdbout.c:
- Change all calls to eliminate_regs.
-
-Fri Mar 14 14:18:49 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * cplus-dem.c: Add prototypes for all static functions.
- (mystrstr): Make static. Make arguments and result const.
- (cplus_match): Remove; not used.
-
-Fri Mar 14 10:15:35 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.c (const_costs): Remove unused function.
- * mn10300.h (CONST_COSTS): Rework to generate better code.
-
- * mn10300.c (print_operand): Handle 'H' and 'L' output
- modifers for high/low part of a 64bit value.
- * mn10300.h (CONST_DOUBLE_OK_FOR_LETTER_P): Handle 'G'
- (LEGITIMATE_CONSTANT_P): Allow any constant.
- * mn10300.md (movdi, movdf): Implement.
- (adddi3, subdi3): New expanders and patterns.
-
- * mn10300.c (print_operand): Handle 'A' modifier for an
- address which can't be simple register indirect.
- * mn10300.h (EXTRA_CONSTRAINT): Handle 'R' for bit ops.
- * mn10300.md: Add patterns to test, set and clear bitfields.
-
- * mn10300.c (can_use_return_insn): New function.
- (expand_epilogue): Emit a RETURN insn if possible.
- * mn10300.md (return): New pattern.
-
- * mn10300.h (CONST_OK_FOR_LETTER_P): Handle 'N'.
- * mn10300.md (andsi3): Catch "and 255,dn" and "and 65535,dn"
- which were not turned into zero_extend patterns.
-
- * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Handle symbolic
- constant as an index/base too.
-
- * mn10300.md (movsi): Allow SP to be loaded/saved with
- reg+d8 addresses.
-
- * mn10300.md (cmpsi): Allow second operand to be a constant.
- (subsi3): Likewise.
-
- * mn10300.md (sign extension patterns): Fix thinko when
- extending from memory.
-
- * mn10300.md (tst peepholes): Add peepholes for test/branch
- based on N bit being set/clear and the data value being tested dies.
-
-Tue Mar 11 17:07:51 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.c (expand_prologue): Rework so that eliminating
- the frame pointer produces faster/smaller code.
- (expand_epilogue): Likewise.
- (initial_offset): New function for argument pointer and frame pointer
- elimination.
- * mn10300.h (FIRST_PSEUDO_REGISTER): Bump to 10.
- (FIXED_REGISTERS): Add argument pointer register, it's a fake fixed
- register.
- (CALL_USED_REGISTERS, REG_ALLOC_ORDER): Corresponding changes.
- (REGNO_REG_CLASS, REG_CLASS_CONTENTS): Likewise.
- (REG_OK_FOR_BASE_P, REGISTER_NAMES): Likewise.
- (reg_class, REG_CLASS_NAMES): Delete unwanted DATA_OR_SP_REGS class.
- (PREFERRED_OUTPUT_RELOAD_CLASS): Define.
- (FIRST_PARM_OFFSET): No longer include register save area in
- computation.
- (STACK_POINTER_REGNUM): Is now register 9.
- (ARG_POINTER_REGNUM): Is now register 8.
- (FRAME_POINTER_REQUIRED): Refine.
- (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Define.
- (CAN_DEUG_WITHOUT_FP): Define.
- * mn10300.md (return_internal): Break into two patterns.
-
- * mn10300.h (CONST_OK_FOR_LETTER_P): Handle 'M' too.
- (REGISTER_MOVE_COST): Fix errors and refine.
-
- * mn10300.c (notice_update_cc): SET_ZN_C0 insns leave the
- overflow bit in an unuseable state. Rename CC_SET to CC_TST.
- * mn10300.md (cc attributes): "set" is gone, replaced by
- "tst". Update attributes on various insns.
-
- * mn10300.md: Improve sign and zero extension instructions.
- (ashlsi3): Improve. Handle address registers too.
- (add peephole): Combine two consecutive adjustments of a register
- into a single adjustment.
-
-Tue Mar 11 17:18:40 1997 Brendan Kehoe <brendan@melange.gnu.ai.mit.edu>
-
- * cplus-dem.c (gnu_special): Call demangled_fund_type for other
- __t* symbols.
-
-Mon Mar 10 16:10:34 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * emit-rtl.c (subreg_lowpart_p): Return 0 if SUBREG_REG is VOIDmode.
- * combine.c (simplify_rtx, case SUBREG): Fix direction of test when
- calling operand_subword; use inline code intead of subreg_lowpart_p.
-
-Fri Mar 7 09:22:28 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.c (expand_{pro,epi}logue): Rework to avoid
- unnecessary "add" operations.
- (expand_epilogue): Likewise.
- * mn10300.h (STARTING_FRAME_OFFSET): Is zero after the last
- round of prologue/epilogue changes.
- (FIRST_PARM_OFFSET): Is now 16 (-4 for REG_PARM_STACK_SPACE + 20 for
- register save area).
- (REG_PARM_STACK_SPACE): Define as 4 bytes.
- (OUTGOING_REG_PARM_STACK_SPACE): Define so caller allocates it.
- * mn10300.md (call{,_value} expander): Don't emit insns to adjust the
- stack here anymore.
-
- * mn10300.md (bCC patterns): Just use "bCC target".
-
-Tue Mar 4 13:21:41 1997 Jim Wilson <wilson@cygnus.com>
-
- * rs6000.md (movsi): Don't emit a USE insn for LABEL_REFs.
-
-Thu Mar 6 16:29:13 1997 Jim Wilson <wilson@cygnus.com>
-
- * dwarf2out.c (modified_type_die): Initialize item_type to NULL.
- Move equate_type_number_to_die call before use of sub_die, and move
- recursive modified_type_die calls on item_type after it.
-
- * dwarfout.c (root_type_1, write_modifier_bytes_1): New functions.
- (root_type): Call root_type_1.
- (write_modifier_bytes): Call write_modifier_bytes_1.
- (output_type, case POINTER_TYPE): Set TREE_ASM_WRITTEN before
- recursive call.
-
-Wed Mar 5 14:30:49 1997 Torbjorn Granlund <tege@quiet.matematik.su.se>
-
- Partially undo Jan 11 changes (nor takes only register ops):
- * mips.md (*norsi3_const, *nordi3_const): Delete bogus patterns.
- * mips.c (complemented_arith_operand): Delete function.
- (print_operand): Don't handle `e' for CONST_INT.
- * mips.h (PREDICATE_CODES): Delete complemented_arith_operand.
-
-Tue Mar 4 16:38:13 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * i386.c (i386_return_pops_args): Make sure FUNDECL is non-nil
- before we try to use it.
- * i386/isc.h (RETURN_POPS_ARGS): Likewise.
- * i386/next.h (RETURN_POPS_ARGS): Likewise.
- * i386/sco.h (RETURN_POPS_ARGS): Likewise.
- * i386/sco5.h (RETURN_POPS_ARGS): Likewise.
- * i386/scodbx.h (RETURN_POPS_ARGS): Likewise.
-
-Mon Mar 3 20:17:54 1997 Gavin Koch <gavin@cygnus.com>
-
- * ginclude/va-mips.h: __mips_single_float should have
- the same effect on vararg lists as __mips_soft_float.
-
-Mon Mar 3 18:12:01 1997 Michael Meissner <meissner@cygnus.com>
-
- * rs6000.h (DBX_CONTIN_LENGTH): Undo 2/26 change.
-
-Mon Mar 3 13:08:20 1997 Jeffrey A Law (law@cygnus.com)
-
- * combine.c (simplify_rtx): Do nothing with (truncate:mode) if
- mode is a partial integer mode.
-
-Sun Mar 2 17:41:18 1997 Ulrich Drepper <drepper@cygnus.com>
-
- * ginclude/varargs.h: Add definition of __va_copy.
- * va-alpha.h, va-clipper.h, va-h8300.h, va-i860.h: Likewise.
- * va-i960.h, va-m88k.h, va-mips.h, va-pa.h, va-ppc.h: Likewise.
- * va-sh.h, va-sparc.h, va-spur.h: Likewise.
-
-Sun Mar 2 13:25:49 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * c-typeck.c (process_init_element): Warn and truncate if upper
- bound of index is out of range.
-
-Fri Feb 28 16:08:47 1997 Michael Meissner <meissner@cygnus.com>
-
- * rs6000/sol-c0.c (_start): Disable loading up r13 and r2 with the
- SDA base registers for now.
-
- * rs6000.md (movsi): Emit a USE insn when putting the
- label of constants into the TOC, so that the constant is still
- emitted when expensive optimizations are used.
-
-Thu Feb 27 17:54:42 1997 Karl Heuer <kwzh@gnu.ai.mit.edu>
-
- * fixinc.ptx: Fix sed expression looking for <sys/types.h> in
- pwd.h.
-
-Thu Feb 27 12:11:16 1997 Dennis Glatting <dennis.glatting@plaintalk.bellevue.wa.us>
-
- * fixincludes: Remove more cases of __const__ from math.h on
- NeXT.
-
-Wed Feb 26 14:52:27 1997 Michael Meissner <meissner@cygnus.com>
-
- * reload.c (debug_reload): Remove extra argument to fprintf.
-
- * rs6000.c (output_toc): Make fprintf calls type correct.
-
- * rs6000.h (DBX_CONTIN_LENGTH): Define as 4000 to avoid AIX
- assembler line limit.
-
-Mon Feb 24 17:56:17 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * fixincludes: Fix need of prototypes for C++ in rpc/xdr.h on SunOS4.
-
-Mon Feb 24 17:33:57 1997 Michael Meissner <meissner@cygnus.com>
-
- * rs6000/xm-sysv4.h (HAVE_STRERROR): Define.
-
-Sun Feb 23 17:18:28 1997 Jim Wilson <wilson@cygnus.com>
-
- * rs6000.md (floatsidf2_loadaddr): Correct syntax for cau instruction.
- (load_multiple, store_multiple): Call change_address instead of
- creating MEM from scratch.
-
-Thu Feb 20 16:39:15 1997 Jim Wilson <wilson@cygnus.com>
-
- * unroll.c (unroll_loop): Add check for naive loop that ends with
- conditional branch that does not branch back to loop start.
-
- * reload1.c (reload): Move assign_stack_local call into main loop.
-
-Thu Feb 20 11:40:46 1997 Jeffrey A Law (law@cygnus.com)
-
- * pa.md (zero extension patterns): Turn into define_expand and
- define_insn pair.
-
-Wed Feb 19 17:05:38 1997 Jeffrey A Law (law@cygnus.com)
-
- * pa.c (emit_move_sequence): Don't copy 0.0 (double precision)
- directly to memory, go through a reg if reload hasn't started.
- * pa.md (main movdf pattern): Don't allow 0.0 (double precision)
- to be copied directly to memory.
-
- * pa/pa-hpux10.h (MD_EXEC_PREFIX): Define appropriately for hpux10.
- (MD_STARTFILE_PREFIX): Similarly.
-
- * pa.h (ASM_OUTPUT_SECTION_NAME): Surround the section name
- with '$' if not using GAS.
-
-Wed Feb 19 16:43:47 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sched.c (schedule_insns): If there was no first scheduling pass,
- split instructions after reload.
- (update_flow_info): Tolerate some idiosyncrasies after reload.
-
-Wed Feb 19 11:13:51 1997 Jeffrey A Law (law@cygnus.com)
-
- * combine.c (find_split_point): Don't turn a SIGN_EXTEND into
- a series of shifts if either mode is a partial integer mode.
-
-Mon Feb 17 08:06:02 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * rs6000.c ({,non_}short_cint_operand): Use (unsigned HOST_WIDE_INT).
- (non_add_cint_operand, includes_rshift_p): Likewise.
- * rs6000.h (CONST_OK_FOR_LETTER_P): Likewise.
- (LEGITIMATE_ADDRESS_INTEGER_P, LEGITIMIZE_ADDRESS): Likewise.
-
-Sun Feb 16 07:55:19 1997 J"orn Rennecke (amylaar@cygnus.co.uk)
-
- * libgcc2.c (__negdi2, __lshrdi3, __ashldi3, __ashrdi3, __ffsdi2):
- Use ANSI style definition with full prototype.
- (__muldi3, __udiv_w_sdiv, __udivmoddi4, __divdi3, __moddi3) : Likewise.
- (__udivmoddi4, __udivdi3, __cmpdi2, __ucmpdi2) : Likewise.
- (__fixunstfdi, __fixtfdi, __fixunsxfdi, __fixxfdi) : Likewise.
- (__fixunsdfdi, __fixdfdi, __floatdixf, __floatditf) : Likewise.
- (__floatdidf, __floatdisf, __fixunsxfsi, __fixunsdfsi) : Likewise.
- (__gcc_bcmp, __eprintf, gopen, gclose, __bb_init_file) : Likewise.
- (__bb_init_trace_func, __clear_cache, mprotect) : Likewise.
- (__enable_execute_stack, cacheflush, exit) : Likewise.
- (find_exception_table, __find_first_exception_table_match) : Likewise.
-
-Sun Feb 16 07:52:02 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
-
- * 1750a.md (mulqihi3): Corrected.
- (tst{hf,tqf}): Simplified.
- (movqi): Removed redundant alternative.
- (addqi-3,addqi-2,addqi-1): Set/Reset Bit patterns by C. Nettleton.
- (many patterns): Introduced operand output modifiers d,t,b,B,w.
- * 1750a.c (print_operand): New operand output modifiers d,t,b,B,w.
- (simple_memory_operand): Removed.
- (one_bit_set_p, which_bit): Added from C. Nettleton's m1750 config.
-
-Sun Feb 16 07:43:37 1997 Paul Eggert <eggert@twinsun.com>
-
- * cccp.c (special_symbol): Don't treat "L" in "L'...'" as identifier.
- (check_macro_name, collect_expansion, rescan): Likewise.
- * cpplib.c (special_symbol, check_macro_name, collect_expansion):
- Likewise.
-
- * cexp.y (parse_c_expression): Don't check for null lexptr
- or *lexptr == 0. If yyparse returns nonzero value, abort.
-
- * cexp.y (yylex): Use is_space, not is_hor_space, to find keyword end.
- (is_space): New decl.
- (is_hor_space): Removed.
- * cccp.c (is_space): Now external.
- (is_hor_space): Now static.
-
-Sun Feb 16 04:55:11 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * toplev.c, tree.h (decl_printable_name): Change arguments.
- * c-common.c (declare_function_name): Reflect above change.
- * final.c (final_start_function): Likewise.
- * function.c (init_function_start): Likewise.
- * toplev.c (decl_name): Likewise.
- (announce_function): Likewise.
- (v_message_with_decl): Likewise.
- * dwarf2out.c (dwarf2_name): New fn, uses decl_printable_name.
- (add_pubname): Use it.
- (add_name_and_src_coords_attributes): Use it, add
- DW_AT_MIPS_linkage_name if appropriate.
- (output_aranges): Use DW_AT_MIPS_linkage_name if present.
-
-Sat Feb 15 18:45:30 1997 J.T. Conklin <jtc@cygnus.com>
-
- * m68k.md (cmpsi): Added insn with appropriate constraints for
- TARGET_5200; changed condition of existing insn to !TARGET_5200.
-
-Sat Feb 15 18:26:50 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
-
- * m68k/hp320.h (PRINT_OPERAND_FLOAT): Removed.
- (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}_OPERAND): Defined.
- (PRINT_OPERAND): Turned off: use default.
- * m68k/news.h (PRINT_OPERAND): Turned off: use default.
- (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}_OPERAND): Defined.
- * m68k/tower-as.h (PRINT_OPERAND): Turned off: use default.
- (ASM_OUTPUT_{FLOAT,DOUBLE}_OPERAND): Defined.
- * m68k/crds.h (PRINT_OPERAND): Turned off: use default.
- (ASM_OUTPUT_{FLOAT,DOUBLE}_OPERAND): Defined.
- (SGS_NO_LI,STRUCTURE_SIZE_BOUNDARY,IMMEDIATE_PREFIX): Defined.
- (NEED_PROBE): Defined instead of HAVE_probe and gen_probe.
- (FUNCTION_{PRO,EPI}LOGUE): Do not access FPA registers.
- * m68k.c (output_function_prologue): Add CRDS and MOTOROLA probe code.
- (print_operand): Do not output '.' if CRDS.
-
- * gcc.c (set_spec): Fix comment-in-comment typo.
-
-Sat Feb 15 17:54:23 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
-
- * Makefile.in (COMPILERS): Moved before GCC_PASSES.
- (GCC_PASSES): Use $(COMPILERS) instead of cc1$(exeext).
-
-Sat Feb 15 17:25:44 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * gcc.c (process_command): Allocate space for terminating null.
-
-Sat Feb 15 17:21:34 1997 Pat Rankin <rankin@eql.caltech.edu>
-
- * vax/vax.h (FUNCTION_PROLOGUE): Adjust size by STARTING_FRAME_OFFSET.
- * vax/vms.h (FUNCTION_PROLOGUE): Delete.
-
-Sat Feb 15 08:48:14 1997 Douglas B. Rupp (rupp@gnat.com)
-
- * configure: Fix setting of CC in no-symlink case.
-
-Sat Feb 15 08:42:17 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
-
- * expmed.c (expand_divmod): Prefer divmod in same mode over div
- in wider mode.
-
-Sat Feb 15 08:27:50 1997 J"orn Rennecke (amylaar@cygnus.co.uk)
-
- * fold-const.c (fold): Don't assume a nonexplicit constant cannot
- equal an explicit one.
-
- * i386.md (zero_extendqi[hs]i2+3): Ensure operating on REG.
-
-Sat Feb 15 08:11:04 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * configure (i[3456]86-*-solaris2*): Correct tm.h filename in
- stabs case.
-
- * a29k.h (STORE_FLAG_VALUE): Write so works on both 32 and 64-bit host.
-
-Fri Feb 14 16:03:37 1997 Robert Lipe <robertl@dgii.com>
-
- * i386/t-sco5 (libgcc{1,2}-elf.a): correct target dependencies.
-
-Fri Feb 14 16:00:23 1997 H.J. Lu <hjl@gnu.ai.mit.edu>
-
- * config/svr4.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Set
- current-section variable to text.
-
-Wed Feb 12 16:07:34 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * fixinc.irix: New file.
- * configure (mips-sgi-irix[56]): Set fixincludes to fixinc.irix.
-
-Wed Feb 12 15:40:20 1997 Jim Wilson <wilson@cygnus.com>
-
- * Makefile.in (LIBGCC2_DEBUG_CFLAGS): New macro.
- (LIBGCC2_CFLAGS): Use it.
-
- * dwarfout.c (output_type): Do early exit only if TYPE_CONTEXT is NULL
- or if TYPE_CONTEXT is another type (e.g. a nested type).
-
-Tue Feb 11 15:53:51 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.c (calc_live_regs): Exclude RETURN_ADDRESS_POINTER_REGNUM.
-
- * sh.c (calc_live_regs): Need not save MACL/MACH when not live
- or in leaf function.
-
-Mon Feb 10 14:46:32 1997 Jeffrey A Law (law@cygnus.com)
-
- * stmt.c (group_case_nodes): Recognize more opportunities to
- group case nodes.
-
-Sun Feb 9 14:05:48 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * function.c (assign_stack_temp): Clear MEM flags from reuse.
-
-Sat Feb 8 17:37:47 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * local-alloc.c (update_equiv_regs): Fix error in last change.
-
-Fri Feb 7 12:42:34 1997 Mike Stump <mrs@cygnus.com>
-
- * pa.h (RETURN_ADDR_RTX): Fix to ignore export stubs.
- * pa.c (return_addr_rtx): Define.
-
-Fri Feb 7 13:56:56 1997 Doug Evans <dje@cygnus.com>
-
- * cse.c (invalidate_from_clobbers): Delete unnecessary test for
- (clobber nil).
-
- * toplev.c (main): Delete redundant settings of flag_no_inline
- and warn_inline if not optimizating.
-
-Fri Feb 7 10:45:02 1997 Jeffrey A Law (law@cygnus.com)
-
- * Makefile.in (stmp-multilib-sub): Add missing "else true"
- clauses to work around make bug on some systems.
-
-Fri Feb 7 08:19:43 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * fold-const.c (const_binop): Don't call size_int if low < 0.
-
- * function.c (instantiate_virtual_regs_1, case USE, CLOBBER):
- Fix error in last change.
-
-Thu Feb 6 17:09:17 1997 Mike Stump <mrs@cygnus.com>
-
- * except.c (find_exception_handler_labels): Initialize label array
- with zeroes.
-
-Wed Feb 5 22:11:55 1997 Jeffrey A Law (law@cygnus.com)
-
- * pa.md (post_ldwm): Fix typos.
-
-Wed Feb 5 15:57:42 1997 Doug Evans <dje@cygnus.com>
-
- * m68k/vxm68k.h (WCHAR_TYPE,WCHAR_TYPE_SIZE,SIZE_TYPE): Fix.
- (PTRDIFF_TYPE): Define.
-
-Wed Feb 5 11:19:13 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * reload1.c (alter_reg): Don't ask assign_stack_local to round up
- to a multiple of BIGGEST_ALIGNMENT, unless a register appears in a
- paradoxical subreg.
-
-Tue Feb 4 19:29:40 1997 Jim Wilson <wilson@cygnus.com>
-
- * reload.c (find_reloads_address_1, case POST_INC): Don't use
- ADDR_TYPE here.
-
-Tue Feb 4 12:33:45 1997 Jeffrey A Law (law@cygnus.com)
-
- * flow.c (life_analysis): Delete obvious no-op moves
- which use SUBREGs.
-
-Mon Feb 3 20:00:35 1997 Jim Wilson <wilson@cygnus.com>
-
- * jump.c (find_cross_jump): Don't allow old-style and volatile asms
- to match.
-
-Mon Feb 3 15:51:31 1997 Doug Evans <dje@cygnus.com>
-
- * sparc/sol2.h (ASM_SHORT,ASM_LONG): Set to .uahalf/.uaword.
- * sparc/sysv4.h (ASM_LONG): Define.
- (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Use ASM_LONG.
-
-Mon Feb 3 13:01:46 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * reload.h (enum reload_type): Add RELOAD_FOR_INPADDR_ADDRESS and
- RELOAD_FOR_OUTADDR_ADDRESS.
- * reload.c (ADDR_TYPE): New macro.
- (push_secondary_reload): Check for new reload types.
- (combine_reloads): Likewise.
- (find_reloads): Likewise. Convert INPADDR_ADDRESS and
- OUTADDR_ADDRESS to OPADDR_ADDR. Check OPADDR_ADDR when looking
- for merges.
- (find_reloads_address): When reloading an address, use the
- ADDR_TYPE macro to get the type of the new reload.
- (find_reloads_address_1): Likewise.
- (reload_when_needed_name): Add new reload types.
- * reload1.c (reload): Add in_addr_addr and out_addr_addr fields to
- insn_needs struct. Use them for new reload types, and when
- computing in_max and out_max.
- (reg_used_in_inpaddr_addr): New static array.
- (reg_used_in_outaddr_addr): New static array.
- (mark_reload_reg_in_use): Handle new reload types.
- (clear_reload_reg_in_use, reload_reg_free_p): Likewise.
- (reload_reg_free_before_p, reload_reg_reaches_end_p): Likewise.
- (reloads_conflict, merge_assigned_reloads): Likewise.
- (emit_reload_insns): Likewise.
- (choose_reload_regs): Save arrays for new reload types.
-
-Sun Feb 2 19:43:17 1997 Scott Christley <scottc@net-community.com>
-
- * objc/selector.c (__sel_register_typed_name): Eliminate compiler
- warnings with explicit cast.
-
- * Add condition mutex support to the objc runtime.
- * objc/thr-mach.c (objc_condition_{,de}allocate): New functions.
- (objc_condition_{wait,broadcast,signal}): New functions.
- * objc/thr-pthreads.c (objc_condition_{,de}allocate): New functions.
- (objc_condition_{wait,broadcast,signal}): New functions.
- * objc/thr-solaris.c (objc_condition_{,de}allocate): New functions.
- (objc_condition_{wait,broadcast,signal}): New functions.
- * objc/thr.h: Prototypes for new functions.
-
- * objc/init.c (__objc_runtime_mutex): Eliminate leading underscore
- from name of objc mutex and thread structures.
- * objc/runtime.h: Likewise.
- * objc/thr-{decosf1,irix,mach,os2,posix,pthreads,single}.c: Likewise.
- * objc/thr-{solaris,win32}.c: Likewise.
- * objc/thr.{c,h}: Likewise.
-
- * Major reorganization of objc error handling.
- * objc/Object.m (-error:): Call objc_error function instead of
- using function pointer.
- * objc/archive.c: Replace call to abort or __objc_fatal functions
- with call to objc_error function throughout the complete file.
- * objc/class.c (objc_get_class): Replace call to abort function
- with call to objc_error function.
- * objc/encoding.c (objc_sizeof_type, objc_alignof_type): Replace
- call to abort function with call to objc_error function.
- (objc_skip_typespec): Likewise.
- * objc/init.c (init_check_module_version): Replace call to
- abort function with call to objc_error function.
- * objc/misc.c (objc_verror): New function.
- (objc_fatal): Remove function.
- (objc_set_error_handler): New function.
- (_objc_error_handler): New global variable.
- (__alpha__): Remove unneeded code.
- (objc_error): Allow user specified error handler function to
- trap and handle the objc error. Added an error code parameter
- which indicates the specific error that occured.
- (objc_malloc, objc_atomic_malloc): Replace call to objc_fatal
- function with call to objc_error function.
- (objc_valloc, objc_realloc, objc_calloc): Likewise.
- * objc/objc-api.h: Declare error handling functions and typedef
- for user specified error handler function. Define error codes
- used by the runtime library.
- * objc/runtime.h: Remove error handling declarations.
- * objc/sendmsg.c (__objc_forward): Replace call to abort function
- with call to objc_error function.
-
-Sun Feb 2 19:42:52 1997 Thomas Baier <baier@ci.tuwien.ac.at>
-
- * objc/hash.c (hash_delete): Step through the hash nodes
- versus using hash_next to increase efficiency.
- * objc/archive.c (__objc_finish_read_root_object): Use hash
- table instead of list.
-
-Sun Feb 2 08:25:05 1997 Ovidiu Predescu <ovidiu@net-community.com>
-
- * objc-act.c (encode_aggregate_within): New function.
- (encode_aggregate): Generates encodings for unions similar
- to those for structs except surrounded by parenthesis instead
- of braces.
-
-Sun Feb 2 07:15:54 1997 Mat Hostetter (mat@lcs.mit.edu)
-
- * c-decl.c (start_function): Fix improper installation of last change.
-
-Sun Feb 2 06:50:55 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * m68k.c (output_scc_di): Add missing CC_STATUS_INIT.
-
-Sun Feb 2 06:39:55 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * c-typeck.c (process_init_element): When popping levels, don't
- blow up if constructor_max_index not set due to previous error.
-
- * combine.c (find_split_point, case SET): Fix error in last change.
-
-Sun Feb 2 06:28:56 1997 Paul Eggert <eggert@twinsun.com>
-
- * cccp.c (rescan): Insert a space after `.' as well,
- to prevent accidental token-pasting (e.g. `.x' -> `.10').
-
-Sun Feb 2 06:08:14 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
-
- * 1750a.c (modregno_adjust): Fixed case when reg_renumber invalid.
-
-Sat Feb 1 19:11:08 1997 J.T. Conklin <jtc@rhino.cygnus.com>
-
- * m68k.md (movqi): Enable use of clr and st insns on TARGET_5200.
- * m68k.c (output_move_simode_const): Likewise.
-
-Sat Feb 1 18:54:00 1997 Douglas B. Rupp (rupp@gnat.com)
-
- * gcc.c (process_command): Fix improper use of strncpy.
-
-Fri Jan 31 15:35:08 1997 Mike Stump <mrs@cygnus.com>
-
- * libgcc2.c: Remove extern for malloc and realloc.
-
-Fri Jan 31 17:08:11 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * local-alloc.c (update_equiv_regs): If a register which is
- equivalent to some value is only used in one place, and we can't
- substitute the value for the use, then move the register assignment
- to just before the use.
-
-Fri Jan 31 15:57:25 1997 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.md (idiv,imul,fpmul): Added new functional units for pentiumpro.
-
- * i386.c (pentiumpro_cost): Added new cost structure for pentiumpro.
- (override_options): Set ix86_cost to appropriate cost structure.
-
-Thu Jan 30 09:34:26 1997 J.T. Conklin <jtc@rhino.cygnus.com>
-
- * m68k.md (stack adjust peepholes): Use lea instead of
- add.w when adding 16 bit constants on all but TARGET_68040.
-
-Thu Jan 30 08:58:08 1997 Ralf Baechle <ralf@waldorf-gmbh.de>
-
- * function.c (TRAMPOLINE_ALIGNMENT): Provide default.
- (expand_function_end): Use TRAMPOLINE_ALIGNMENT instead
- of FUNCTION_BOUNDARY.
- * varasm.c (TRAMPOLINE_ALIGNMENT): Provide default.
- (assemble_trampoline_template): Use TRAMPOLINE_ALIGNMENT instead
- of FUNCTION_BOUNDARY.
-
-Wed Jan 29 18:16:02 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.h (REG_CLASS_CONTENTS): Add rap to GENERAL_REGS and its
- superclasses.
-
- * sh.md (movsi_i, movsi_ie, movhi_i, movhi+1): Use type pcload for
- immediate operands where appropriate.
- (movsf_ie+1): Fail when loading anything but a MEM into
- a floating point reguister.
-
-Wed Jan 29 16:00:31 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * varasm.c (force_const_mem): Set MARK instead of clearing it.
- (output_constant_pool): Only mark constant pool if -O.
- Check mark flag unconditionally.
- (mark_constant_pool): Start by clearing all mark flags.
-
- * tree.c (copy_node): Clear TREE_ASM_WRITTEN.
-
- * flow.c (regno_uninitialized): Return 0 if reg is used for args.
-
-Wed Jan 29 15:23:59 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * combine.c (try_combine): Clear reg_n_refs if i2dest is not
- mentioned in newi2pat.
-
-Tue Jan 28 16:00:23 1997 Stan Cox (coxs@dg-rtp.dg.com)
-
- From Robert Lipe <robertl@dgii.com>
- * i386/sco5.h (SCO_DEFAULT_ASM_COFF): Remove bytecode stuff.
- (ASM_OUTPUT_ASCII): Use .ascii in both ELF and COFF modes.
- (ASM_OUTPUT_SECTION_NAME): Handle alternate sections for COFF.
- The OpenServer 5.0.0 assembler gives an error for section
- names over 6 characters long, so we catch the "obvious" case
- and shorten it.
-
- * m88k.h (ASM_OUTPUT_SECTION_NAME): Undefine; fails
- for exception sections. The 88k ABI specifies 'section'
- instead of '.section'.
-
-Mon Jan 27 13:32:46 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.c (shl_and_kind): Fix typo.
- * sh.md (and_shl_scratch): Fix typo for length 8.
-
-Mon Jan 27 08:56:03 1997 Jeffrey A Law (law@cygnus.com)
-
- * fixincludes: Fix incorrect forward structure declaration in
- sys/time.h on hpux10.20.
-
-Mon Jan 27 09:05:35 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * combine.c (simplify_rtx): Don't do anything with if_then_else_cond
- result if both one arm and the input are a comparison.
- (simplify_{rtx,if_then_else,logical,shift_const}): Don't
- test STORE_FLAG_VALUE with #if; properly test for just sign bit.
- (num_sign_bit_copies, if_then_else_cond): Likewise.
- * expmed.c (emit_store_flag): Properly test for STORE_FLAG_VALUE
- of just sign bit.
- * fold-const.c (fold): Don't make COND_EXPR when both expr and
- one part are comparisons.
- * a29k.h (STORE_FLAG_VALUE): Make negative.
-
-Fri Jan 24 16:42:26 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * varasm.c (struct pool_constant): Add mark field.
- (force_const_mem): Clear mark field in new constant pool entry.
- (output_constant_pool): Call mark_constant_pool.
- (mark_constant_pool, mark_constants): New static functions.
-
-Thu Jan 23 15:04:17 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * cse.c (COST): Get the right cost for a SUBREG of a register when
- truncation is free.
-
-Thu Jan 23 11:19:40 1997 Mike Stump <mrs@cygnus.com>
-
- * Makefile.in (objc-headers): Don't try and install the headers if
- the objc directory has been removed.
-
-Wed Jan 22 13:26:25 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * i960.c (process_pragma): Call ungetc on the last character
- that was read by the while loop, to make sure the parser sees it.
-
-Tue Jan 21 17:20:30 1997 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.c (output_toc): Move STRIP_NAME_ENCODING to common
- code, so the test for vt's works with -mminimal-toc.
-
-Tue Jan 21 16:03:35 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * function.c (mark_all_temps_used): Set KEEP as well.
-
-Tue Jan 21 12:16:15 1997 Doug Evans <dje@seba.cygnus.com>
-
- * stor-layout.c (layout_record): Correct test for whether
- field spans its unit of alignment in case where
- field_size == type_align.
-
-Mon Jan 20 20:27:54 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * mips.md (probe): Comment out.
-
-Sun Jan 19 20:54:45 1997 John F. Carr <jfc@mit.edu>
-
- * integrate.c (expand_inline_function): Handle a PARALLEL containing
- a RETURN the same as a RETURN.
-
-Sun Jan 19 20:35:28 1997 Pat Rankin <rankin@eql.caltech.edu>
-
- * vmsconfig.com: Change all hardcoded references of "vax" to
- use variable expansion instead.
- (arch_indx, arch): New variables.
-
- * vax.c (not_qsort): Don't declare alloca.
- * vax/xm-vms.h: Declare alloca here.
- Do most of the VAX C-specific set up for DEC C.
- #if DEC C, undefine QSORT_WORKAROUND and qsort.
- * make-gcc.com, make-cccp.com, make-cc1.com: Support building
- with GNU C vs VAX C vs DEC C from the DCL command line.
-
-Sun Jan 19 17:20:50 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
-
- * 1750a.md (movh[if]-1): Corrected.
- (movtqf-1): Deleted.
- * 1750a.c (add_1_to_mem): Deleted.
- (output_operand_address): Added output modifier 'A'.
-
-Sun Jan 19 17:17:54 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
-
- * m68k.md (ashrdi_const, ashrdi3): Allow 31 as shift count.
-
- * m68k.h (CONST_OK_FOR_LETTER_P): Recognize 'N', 'O' and 'P'.
- * m68k.md (rotl[shq]i3, strict_low_part rotl): Allow 'N', 'O'
- or 'P' operands.
-
-Sun Jan 19 17:09:17 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * m68k.md (addsi3): Fix previous change: {add,sub}qw should
- be {add,sub}ql. For other uses of {add,sub}q don't check for address
- register and always use {add,sub}ql.
-
-Sun Jan 19 15:05:42 1997 Peter Seebach <seebs@solon.com>
-
- * c-decl.c (start_decl): Add code for -Wmain.
- (c_decode_option): Add -fhosted, -ffreestanding, and -Wmain.
- * toplev.c (lang_options): Likewise.
- * c-tree.h (warn_main, flag_hosted): New variables.
-
-Sun Jan 19 14:35:41 1997 Alex Garthwaite (alex@samwise.cis.upenn.edu)
-
- * fixinc.svr4: Fix problems with symlinks to ".".
-
-Sun Jan 19 14:21:46 1997 Craig Burley <burley@gnu.ai.mit.edu>
-
- * loop.c (check_final_value): Handle insns with no luid's.
-
-Sun Jan 19 08:57:26 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * alpha.md (arg_home): Add CLOBBER of MEM and USE of arg regs.
- * vms.h (SETUP_INCOMING_VARARGS): Delete duplicate definition.
-
- * toplev.c (set_float_handler): Set up signal catcher on first call
- in case a front end has disabled it.
-
- * cccp.c, cexp.y: #define __attribute__ to be null if
- compiling with GCC older than 2.7, not 2.6.
-
- * toplev.c (main): If PREFERRED_DEBUGGING_TYPE used and set
- to NO_DEBUG, say debugging not supported.
- * mips/sni-svr4.h (PREFERRED_DEBUGGING_TYPE): Undefine.
-
- * i386/xm-cygwin32.h (DIR_SEPARATOR): Define.
-
- * explow.c (convert_memory_address, case SYMBOL_REF):
- Copy CONSTANT_POOL_ADDRESS_P.
- * integrate.c (save_constants): Make (address (const ..)) to record
- both modes.
- (copy_for_inline, copy_rtx_and_substitute, restore_constants): Use
- both modes when restoring constant pool entry for ADDRESS.
-
- * alpha.h (MINIMUM_ATOMIC_ALIGNMENT): New macro.
-
- * function.c (instantiate_virtual_regs_1, case USE, case CLOBBER):
- Properly handle case of shared MEM whose replacement is not valid.
-
-Sat Jan 18 14:08:31 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * tree.c (get_unwidened): Don't crash if FIELD_DECL not layed out.
-
- * varasm.c (const_hash): Treat NON_LVALUE_EXPR like CONVERT_EXPR.
- (compare_constant_1, copy_constant, bc_assemble_integer): Likewise.
- (const_hash, compare_constant_1): Use switch, not if-then-else.
-
-Fri Jan 17 17:10:20 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * mips.h (STACK_POINTER_OFFSET): Don't define.
-
-Thu Jan 16 14:51:03 1997 Bob Manson <manson@charmed.cygnus.com>
-
- * cplus-dem.c: Fix indenting; note that this file also lives in
- libiberty.
- (do_type, case 'M'): Check for a template as well as a class.
-
-Thu Jan 16 15:08:26 1997 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * gcc.c (cross_compile): Change to be a char * like all of the
- other specs.
- (process_command): Change how cross_compile is tested.
- (main): Likewise.
- (struct spec_list): Merge with the format used by EXTRA_SPECS.
- Add name length field to speed up repeated calls to strcmp. Add
- flag to say spec was allocated. Add pointer to char * so that
- static spec fields can be updated.
- (extra_specs): Use struct spec_list as type.
- (static_specs): Static list of predefined specs.
- (init_specs): New function, initialize the specs list. Link in
- the default specs and any specs defined via EXTRA_SPECS.
- (set_spec): No longer special case predefined specs.
- (process_command,validate_all_switches): Ditto.
- (process_command): Call init_specs for -dumpspecs.
- (do_spec_1): Use name length field to avoid calling strncmp when
- it is going to fail.
- (main): Call init_spec. Don't handle EXTRA_SPECS here.
-
-Thu Jan 16 17:07:54 1997 Eddie C. Dost <ecd@skynet.be>
-
- * configure: Add sparc-linux{,aout} support.
- * ginclude/va-sparc.h: Likewise.
- * sparc/linux.h: New file.
- * sparc/linux-aout.h: New file.
- * sparc/xm-linux.h: New file.
-
-Thu Jan 16 16:19:13 1997 Jim Wilson <wilson@cygnus.com>
-
- * configure (sparc-*-aout*): Add libgloss.h to tm_file.
- (sparclite-*-coff*): Change "= to =".
-
-Thu Jan 16 12:53:15 CST 1997 Joel Sherrill <joel@OARcorp.com>
-
- * rs6000/rtems.h: Change from being sysv4 based to being eabi based.
-
-Thu Jan 16 13:40:51 1997 Jim Wilson <wilson@cygnus.com>
-
- * mips.h (LINKER_ENDIAN_SPEC): Define.
- (LINK_SPEC): Add linker_endian_spec.
- (EXTRA_SPECS): Add linker_endian_spec.
-
-Thu Jan 16 08:02:13 1997 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.md (bCC, inverted bCC): Use bCC .+X instead of bCC 0f.
-
-Wed Jan 15 14:06:28 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * reload.h (reload_address_base_reg_class): Declare.
- (reload_address_index_reg_class): Declare.
- * reload1.c (reload_address_base_reg_class): Define.
- (reload_address_index_reg_class): Define.
- (init_reload): Initialize reload_address_{base,index}_reg_class.
- * reload.c (find_reloads_address): Use
- reload_address_base_reg_class rather than BASE_REG_CLASS. Use
- reload_address_index_reg_class rather than INDEX_REG_CLASS.
- (find_reloads_address_1): Likewise.
-
-Tue Jan 14 15:26:33 1997 Ian Lance Taylor <ian@cygnus.com>
-
- * reload.c (REGNO_MODE_OK_FOR_BASE_P): Define if not defined.
- (REG_MODE_OK_FOR_BASE_P): Define if not defined.
- (find_reloads_address): Use REG[NO]_MODE_OK_FOR_BASE_P rather than
- REG[NO]_OK_FOR_BASE_P.
- (find_reloads_address_1): Likewise.
- Add mode parameter; change all callers.
-
- * reload1.c (eliminate_regs_in_insn): Handle more cases when
- eliminating the frame pointer to the hard frame pointer.
-
- * varasm.c (force_const_mem): Copy a CONST_INT rtx like a CONST rtx.
-
- * varasm.c (assemble_end_function): Call
- output_after_function_constants.
- (after_function_constants): New static variable.
- (output_after_function_constants): New static function.
- (output_constant_def): Check CONSTANT_AFTER_FUNCTION_P.
-
-Mon Jan 13 16:44:40 1997 David Edelsohn <edelsohn@mhpcc.edu>
-
- * rs6000/aix41.h (CPP_PREDEFINES): Add -D_AIX41.
-
-Sun Jan 12 20:54:01 1997 Jim Wilson <wilson@cygnus.com>
-
- * libgloss.h (LINK_SPEC): Delete.
- (STARTFILE_SPEC): Delete spurious newline.
-
-Sat Jan 11 00:13:03 1997 Torbjorn Granlund <tege@quiet.matematik.su.se>
-
- * mips.md (norsi3, nordi3): Use canonical RTL. Prepend `*' to pattern
- name. Don't match immediates.
- (norsi3_const, nordi3_const): New patterns.
- (anddi3, iordi3, xordi3): Test TARGET_64BIT, not mips_isa
- in length attribute calculation.
- * mips.c (complemented_arith_operand): New function.
- (print_operand): Handle `e' for CONST_INT.
- * mips.h (PREDICATE_CODES): Add complemented_arith_operand.
-
-Fri Jan 10 14:11:53 1997 David Edelsohn <edelsohn@mhpcc.edu>
-
- * rs6000/aix41.h (SUBTARGET_SWITCHES): Add threads and pe.
- (CPP_SPEC): Add mpe and mthreads cases.
- (LIB_SPEC): Add mpe and mthreads cases to variant from rs6000.h.
- (STARTFILE_SPEC): Add mpe and mthreads support.
-
-Fri Jan 10 07:12:26 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * i386/cygwin32.h (LINK_SPEC): New definition.
-
- * Makefile.in (FLAGS_TO_PASS): Add STAGE_PREFIX, set by configure.
- * configure: Initialize exeext.
- Update STAGE_PREFIX in Makefile.
-
- * dwarfout.c (dwarfout_line): Push to LINE_SECTION after calling
- lookup_filename.
-
-Thu Jan 9 12:06:04 1997 Jim Wilson <wilson@cygnus.com>
-
- * i386.md (addsidi3_2): Add & to operand 0 of alternative 5.
-
-Thu Jan 9 12:06:04 1997 Stan Cox <coxs@dg-rtp.dg.com>
-
- From Linus Torvalds and Mat Hostetter:
- * i386.c (i386_sext16_if_const): Added to sign extend an HImode constant.
- (i386_aligned_reg_p): Added to tell if an rtx is aligned.
- (i386_cc_probably_useless_p): Don't trust cc bits.
- * i386.h (TARGET_ZERO_EXTEND_WITH_AND): Don't do this for p6.
- * i386.md (cmpsf_ccfpeq+2): Use SImode test instruction.
- (movhi+1): Use movz instead of mov on p6.
- (addsi3): Add 128 by subtracting -128.
- (zero_extendhisi2): Use SImode move if aligned.
- (addhi3): Likewise.
- (subhi3): Likewise.
- (andhi3): Likewise.
- (iorhi3): Likewise.
- (xorhi3): Likewise.
-
-Tue Jan 7 16:58:27 1997 Jason Merrill <jason@yorick.cygnus.com>
-
- * c-parse.in (extension): New rule for __extension__.
- (extdef, unary_expr, decl, component_decl): Use it.
-
-Mon Jan 6 15:44:37 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
-
- * 1750a.c: Now includes regs.h.
- ({movcnt,mod}_regno_adjust): Corrected typos.
- * 1750a.md (movhi): Corrected case of moving constant to memory.
-
-Mon Jan 6 08:00:57 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * mips.h: Delete redundant definitions of compiler and library fns.
-
- * dwarfout.c (type_attribute): Ignore any subtype for now.
-
- * fold-const.c (operand_equal_p): Rework to consider two
- expressions that have embedded identical SAVE_EXPRs as
- equivalent; also handle some more cases.
-
-Sun Jan 5 23:54:34 1997 Jeffrey A Law (law@cygnus.com)
-
- * pa.md (pic_load_label): Fix test for using just an
- ldo rather than an addil;ldo sequence to load the label's
- address.
-
-Sun Jan 5 07:26:47 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * expr.c (expand_expr, case COMPONENT_REF): Fix error in last
- change: don't suppress conversion if just EXPAND_SUM.
-
-Sat Jan 4 18:44:01 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * tree.h (struct tree_decl): saved_insns.i is HOST_WIDE_INT.
-
- * fold-const.c (const_binop): Rework to only make constants in
- one place; always use size_int if small enough and of sizetype.
- (size_int): Call force_fit_type.
- (fold): Avoid ever changing type of input tree.
-
- * expr.c (get_inner_reference): Fix type error.
- (expand_expr, case COMPONENT_REF): Don't convert if modifier
- is EXPAND_CONST_ADDRESS, EXPAND_SUM, or EXPAND_INITIALIZER.
- * tree.c (staticp, case COMPONENT_REF, BIT_FIELD_REF): Not
- static if bitfield.
-
- * expr.c (expand_expr, case COMPONENT_REF): If taking value
- from a CONSTRUCTOR, must mask/sign-extend if bitfield.
- (expand_builtin, case BUILT_IN_LONGJMP): Pass type, not IDENTIFIER,
- to second arg of RETURN_POPS_ARGS.
-
- * expr.c (expand_expr, case COND_EXPR): Add additional cases
- to "singleton" cases.
- * tree.c (integer_pow2): Mask value to width of type.
- (tree_log2): New function.
-
- * expmed.c (store_fixed_bit_field): If not SLOW_UNALIGNED_ACCESS,
- treat everything as maximally aligned.
-
- * combine.c (find_split_point, case SET): If SET_SRC is NE and
- STORE_FLAG_VALUE is -1, see if we can convert into NEG of shift.
- (force_to_mode, case NE): Make condition stricter.
-
- * calls.c (emit_library_call_value): Remove redundant check for
- outmode != VOIDmode.
-
-Sat Jan 4 08:12:16 1997 J.T. Conklin <jtc@rhino.cygnus.com>
-
- * Optimizations from John Vickers (john@rhizik.demon.co.uk):
- * m68k.c (output_function_{pro,epi}logue): Use addq/subq when
- adjusting stack pointer by small displacements.
- * m68k.md (addsi3, addhi3): Use two addqw (or subqw) insns when
- adding (or subtracting) small integer constants (8 < N <= 16) to
- both address and data registers.
-
-Sat Jan 4 07:06:07 1997 Kamil Iskra <iskra@student.uci.agh.edu.pl>
-
- * loop.c (basic_induction_var): Return 0 if SUBREG is not a
- promoted variable.
-
-Sat Jan 4 06:22:36 1997 Doug Rupp (rupp@gnat.com)
-
- * alpha.c (vmskrunch): Try to not chop trailing uppercase letters.
- * alpha/vms.h (ENDFILE_SPEC): Use "gnu", not "gnu_cc".
-
- * cccp.c (PRINTF_PROTO): Use __printf__ in __attribute__, not printf.
- * cexp.y (PRINTF_PROTO): Likewise.
-
-Fri Jan 3 09:01:00 1997 Craig Burley <burley@gnu.ai.mit.edu>
-
- * alpha.md (cmov): Fix operand numbers in case involving DF target,
- DF comparison, and SF source.
-
-Fri Jan 3 08:19:46 1997 Paul Eggert <eggert@twinsun.com>
-
- * cpplib.c (macroexpand): Delete any no-reexpansion marker following
- identifier at beginning of an argu concatenated with what precedes it.
-
-Fri Jan 3 07:59:21 1997 Ken Rose (rose@netcom.com)
-
- * reorg.c (fill_slots_from_thread): Skip moved insn in all three cases.
-
-Fri Jan 3 07:51:44 1997 Bob Manson <manson@cygnus.com>
-
- * function.c ({push,pop}_function_context_to): Save and restore
- current_function_args_info.
- * function.h (struct function): New field args_info.
-
-Fri Jan 3 06:55:09 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * jump.c (rtx_equal_for_thread_p): Return 0 for floating-point.
-
- * reload.c (find_reloads): If replaced a PLUS or MULT with a
- simple operand, start over again.
-
- * va-alpha.h: Check for __VMS__, not VMS.
-
-Thu Jan 2 08:52:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * configure: Finish restoring change of default of objc threads to
- "single" for Linux.
-
-Mon Dec 30 17:03:46 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa.c (fmpy_operands): Remove. No longer needed.
- (combinable_add, combinable_copy, combinable_fmpy): Likewise.
- (combinable_fadd, combineable_fsub): Likewise.
- (pa_reorg): Call pa_combine_instructions.
- (pa_combine_instructions): Combine instructions to make things
- like fmpyadd and fmpysub.
- (pa_can_combine_p): Helper function for pa_combine_instructions.
- * pa.md (pa_combine_type): New attribute. Set it appropriately
- for various insns.
- (define_delays): Use a separate define_delay for unconditional
- branches.
- (fmpyadd, fmpysub peepholes): Remove, no longer needed.
- (fmpyadd, fmpysub insns): Add variant with fadd/fsub first,
- then the fmpy.
-
-Mon Dec 30 14:43:51 1996 Jim Wilson <wilson@cygnus.com>
-
- * reg-stack.c (subst_stack_regs_pat): Set src_note explicitly, instead
- of using invalid aggregate initialization.
-
- * print-tree.c (print_node): Don't try to print nonexistent
- TYPE_ATTRIBUTES field of a decl node.
-
-1996-12-30 Richard Stallman <rms@ethanol.gnu.ai.mit.edu>
-
- * config.sub: Handle hiuxmpp as system type.
-
-Thu Dec 26 13:33:27 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.md (init_v4_pic): Explicitly set the length.
-
-Mon Dec 23 19:39:38 1996 Jim Wilson <wilson@cygnus.com>
-
- * mips.h (FUNCTION_ARG_REGNO_P): Correct for TARGET_SOFT_FLOAT and
- TARGET_FLOAT64 cases.
-
- * integrate.c (function_cannot_inline_p): Reject function with
- PARALLEL result.
- (expand_inline_function): Abort if function result not handled.
-
-Sat Dec 21 04:02:46 1996 Jason Merrill <jason@gerbil.cygnus.com>
-
- * mips.c (save_restore_insns): Mark large frame setup insns
- as frame-related.
- (mips_expand_prologue): Likewise.
-
- * dwarf2out.c (dwarf2out_frame_debug): Support MIPS large frames.
- (add_bound_info): Use default lower bounds.
- Handle simple variable bounds with a DIE ref.
- Don't generate a NULL loc descr.
- (add_subscript_info): Always add lower bound.
- (gen_formal_parameter_die): Always equate_decl_number_to_die.
- (gen_variable_die): Likewise. Don't use the old die for automatic
- variables.
-
-Wed Dec 18 10:23:46 1996 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.c (notice_update_cc): Enable this code.
- * mn10300.h (CC_OVERFLOW_UNUSABLE): Define.
- * mn10300.md (tstsi): Use "set_zn_c0" instead of "set" for cc status.
- (addsi3 pattern): Break "inc" into two different alternatives
- since "inc dn" sets cc0, but "inc an" does not.
- (multiply and divide patterns): Fix cc status.
- (bCC, inverted bCC): Restore any comparison which needs the
- overflow bits when CC_OVERFLOW_UNUSABLE is set.
- (zero and sign extensions): Fix cc status.
- (movm_store): Likewise.
-
-Tue Dec 17 15:02:44 1996 Jim Wilson <wilson@cygnus.com>
-
- * sched.c (update_flow_info): When add REG_DEAD notes for dest of
- last insn, add check for global_regs.
-
-Tue Dec 17 11:07:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/win-nt.h (HAS_INIT_SECTION): Delete, so that __main is
- called from main.
-
-Mon Dec 16 15:28:44 1996 Jim Wilson <wilson@cygnus.com>
-
- * combine.c (nonzero_bits): Ifdef out calls to num_sign_bit_copies.
- Add dummy define/undef for num_sign_bit_copies.
-
- * dwarfout.c (location_or_const_value_attribute, case CONCAT): Add.
-
- * combine.c (simplify_comparison): Use mode_width as shift count
- only if it is less than or equal to HOST_BITS_PER_WIDE_INT.
-
-Mon Dec 16 10:10:11 1996 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.c (expand_epilogue): Restore registers in the
- "ret" instruction instead of a separate movm instruction.
- Support possible stack deallocation in "ret" instruction too.
- * mn10300.md (return_internal): Use "ret" instead of "rets";
- restore registers and deallocate stack as needed.
- (load_movm): Delete unused pattern.
-
- * mn10300.h (SMALL_REGISTER_CLASSES): Define.
-
-Fri Dec 13 14:46:54 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.md (dect): Rewrite pattern so that it can be combined.
-
-Fri Dec 13 13:14:51 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * varasm.c (output_constant_pool): If ASM_OUTPUT_POOL_EPILOGUE is
- defined, call it.
-
-Thu Dec 12 20:04:55 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * rtl.h (RTX_FRAME_RELATED_P): New macro.
- (struct rtx_def): Add frame_related bitfield.
- * final.c (final_scan_insn): Call dwarf2out_frame_debug.
- Don't call dwarf2out_begin_function.
- (final): Initialize dwarf2out_frame_debug.
- * dwarf2out.c (dwarf2out_begin_function): Remove.
- (dwarf2out_init): Use INCOMING_RETURN_ADDR_RTX.
- (DWARF_CIE_DATA_ALIGNMENT): Generalize.
- (DWARF_FRAME_REGNUM): Don't add 1.
- (decode_cfi_rtl): Lose.
- (dwarf2out_def_cfa): Now takes reg and offset directly.
- (reg_save): Likewise.
- (dwarf2out_reg_save): Now takes offset.
- (initial_return_save): Grok INCOMING_RETURN_ADDR_RTX.
- Replaces dwarf2out_return_save.
- (dwarf2out_cfi_label): New fn.
- (add_fde_cfi): Use it.
- (dwarf2out_frame_debug): New fn.
- * mips.h (DWARF_FRAME_REGNUM): Tweak r31.
- (INCOMING_RETURN_ADDR_RTX): Define.
- * mips.c (mips_expand_prologue): Set RTX_FRAME_RELATED_P as needed.
- (save_restore_insns): Likewise.
- * i386.c (ix86_expand_prologue): Likewise.
- * i386.h (INCOMING_RETURN_ADDR_RTX): Define.
- (DWARF_FRAME_RETURN_COLUMN): Define.
-
- * dwarf2out.c (add_AT_long_long): Renamed from add_AT_double for
- clarity.
- (print_die): Adjust.
- (add_AT_float): New fn.
- (add_const_value_attribute): Support fp values.
- (size_of_die): Use blocks for long_long and fp values.
- (value_format): Likewise.
- (output_die): Likewise.
- (output_loc_operands): Don't support DW_OP_const8?.
-
-Thu Dec 12 19:49:09 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * varasm.c (CONSTANT_POOL_BEFORE_FUNCTION): Define if not
- defined.
- (assemble_start_function): Check CONSTANT_POOL_BEFORE_FUNCTION
- to decide whether to call output_constant_pool.
- (assemble_end_function): Likewise.
-
- * calls.c: Check SMALL_REGISTER_CLASSES at run time as well as at
- compile time.
- * combine.c, cse.c, function.c, jump.c, local-alloc.c: Likewise.
- * loop.c, reload.c, reload1.c: Likewise.
- * dsp16xx.h (SMALL_REGISTER_CLASSES): Define with value.
- * h8300.h (SMALL_REGISTER_CLASSES): Likewise.
- * i386.h (SMALL_REGISTER_CLASSES): Likewise.
- * pdp11.h (SMALL_REGISTER_CLASSES): Likewise.
- * sh.h (SMALL_REGISTER_CLASSES): Likewise.
-
-Thu Dec 12 15:25:39 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.md (sysv call insns): If flag_pic add @plt suffix.
-
- * rs6000.md (fix_truncdfsi2_store): Fix offsets > 32k.
-
- * rs6000/t-ppccomm: New file for common parts of embedded and
- System V target Makefile support.
-
- * rs6000/t-ppcos: New file for System V OS target Makefile
- support.
-
- * rs6000/t-solaris: Delete, merge into rs6000/t-ppcos.
-
- * rs6000/t-{ppc,ppcgas}: Only keep the multilib specific parts,
- moving the rest to rs6000/t-ppccomm.
-
- * configure (powerpc*-*-*): For embedded and System V
- configurations, add rs6000/t-ppccomm. For Linux and Solaris, use
- t-ppcos.
-
- * ginclude/ppc-asm.h (cr*, f*): Add new macros for register names.
-
- * rs6000/sol-c0.c (_start): Fix uninitialized data bug.
-
- * rs6000.md (init_v4_pic): Add @local to call.
- (icbi,dcbst,sync,isync): Delete PowerPC cache control insns.
-
- * rs6000/sysv4.h (ASM_SPEC): On explicit -mcall-solaris, pass
- -msolaris to the assembler.
-
- * rs6000.c (rs6000_sync_trampoline): Delete.
- (rs6000_trampoline_template): Aix & System V don't need template now.
- (rs6000_initialize_trampoline): For System V, call the function
- __trampoline_setup to set up the trampoline.
-
- * rs6000.h (TRAMPOLINE_TEMPLATE): Delete here.
- * rs6000/win-nt.h (TRAMPOLINE_TEMPLATE): Add it here.
-
- * rs6000/tramp.asm: New file, setup trampolines properly on System
- V systems, properly flushing the caches.
-
-Thu Dec 12 10:53:10 1996 Jeffrey A Law (law@cygnus.com)
-
- * reorg.c (fill_slots_from_thread): Don't call eligible_for_delay
- with an insn with asm operands.
-
- * expmed.c (emit_store_flag_force): Fix typos/thinkos.
-
-Thu Dec 12 08:09:20 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * i386.c (i386_return_pops_args): Libcalls ignore TARGET_RTD.
-
-Thu Dec 12 07:56:03 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * tree.h (maybe_get_identifier): New declaration.
-
- * calls.c (emit_library_call): Don't pass VOIDmode to type_for_mode.
-
- * va-alpha.h: Add definitions for VMS; they differ from Unix.
-
- * Makefile.in (stamp-objlist): Handle first character of object
- file being a digit.
-
- * 1750a.h (function_arg, {movcnt,mod}_regno_adjust): Add decls.
- (branch_or_jump): Likewise.
- (FUNCTION_ARG): Remove cast of function_arg result to rtx.
- * 1750a.md: Remove unneeded casts to char *.
-
-Thu Dec 12 05:55:27 1996 Richard Earnshaw (rearnsha@armltd.co.uk)
-
- * arm.c (arm_gen_constant, case [IX]OR): Don't invert constant if
- loading into temporary.
-
-Wed Dec 11 18:57:21 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * toplev.c (rest_of_compilation): Make sure unwinder RTL is saved.
-
- * collect2.c (write_c_file): Wrap the ctor/dtor lists and fns
- with `extern "C" { ... }'.
-
-Wed Dec 11 17:46:48 1996 John F. Carr <jfc@mit.edu>
-
- * tree.h (tree_decl): Reorder field declarations to reduce size
- on 64 bit machines.
-
- * combine.c (try_combine): When splitting an insn, check for the
- new I2 setting a SUBREG.
-
-Wed Dec 11 17:00:47 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * alpha.c (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of
- using "%ld".
- (output_prolog): Don't print useless comment for VMS.
-
- * alpha.c (output_prolog): SIZE is now HOST_WIDE_INT.
- * alpha.md (mov[hq]i unnamed): Split up for TARGET_BYTE_OPS and not.
-
- * function.c (fixup_var_refs_1, case ZERO_EXTRACT): Don't call
- fixup_memory_subreg if no longer SUBREG of MEM.
-
-Wed Dec 11 14:10:48 1996 Jeffrey A Law (law@cygnus.com)
-
- * mn10300.c: New file for Matsushita MN10300 port.
- * mn10300.h, mn10300.md, t-mn10300, xm-mn10300.h: Likewise.
- * config.sub: Recognize mn10300 as a basic machine type.
- * configure: Similarly.
- * ginclude/stdarg.h: mn10300 is little endian.
- * ginclude/varargs.h: Likewise.
-
-Wed Dec 11 09:09:10 1996 Nagai Takayuki <nagai@ics.es.osaka-u.ac.jp>
-
- * libgcc2.c (cacheflush): Add SONY NEWS-OS 4.2 version.
-
-Wed Dec 11 09:01:39 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * calls.c (emit_library_call, emit_library_call_value):
- Don't pass an identifier node as function type for
- library functions, but rather build a function type that
- has a return type with the correct mode.
- * i386.c (i386_return_pops_args): Don't test for IDENTIFIER_NODE.
- * i386/isc.h (obsolete RETURN_POPS_ARGS): Test first argument
- for IDENTIFIER_NODE.
- * i386/next.h (RETURN_POPS_ARGS): Likewise.
- * i386/sco.h (RETURN_POPS_ARGS): Likewise.
- * i386/sco5.h (RETURN_POPS_ARGS): Likewise.
- * i386/scodbx.h (RETURN_POPS_ARGS): Likewise.
- * m68k.h (RETURN_POPS_ARGS): Likewise.
- * ns32k.h (RETURN_POPS_ARGS): Likewise.
- * pyr.h (RETURN_POPS_ARGS): Likewise.
- * gmicro.h (RETURN_POPS_ARGS): Likewise; fix typo.
-
-Tue Dec 10 17:36:47 1996 J.T. Conklin <jtc@rhino.cygnus.com>
-
- * Add optimizations from John Vickers (john@rhizik.demon.co.uk)
- * m68k.h (TARGET_CPU32): New macro.
- * m68k.md (add[hs]i3): Only use two addq.w or subq.w instructions
- when adding or subtracting constants 8 < N < 16 on TARGET_CPU32.
- Use lea instead of add.w when adding 16 bit constants to address
- registers on all but TARGET_68040.
- * m68k.c (output_function_{pro,epi}logue): Use lea instead of add.w
- when adjusting stack pointer on all but TARGET_68040.
-
-Tue Dec 10 15:55:23 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * optabs.c (emit_unop_insn): Treat ZERO_EXTEND like SIGN_EXTEND.
-
-Tue Dec 10 13:47:24 1996 Joern Rennecke <amylaar@cygnus.co.uk>
-
- * combine.c (combinable_i3pat): Bring back to sync with can_combine_p.
-
- * sh.h (ADJUST_INSN_LENGTH): Don't break from loop when LOOP_BEG found.
- Calculate padding in new variable pad.
-
-Mon Dec 9 18:00:38 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (output_uleb128): Output the value in a human-readable
- comment.
- (output_sleb128): Likewise.
- (various): Adjust.
- (output_call_frame_info): Only output info if it's interesting.
- (add_src_coords_attributes): New fn.
- (add_name_and_src_coords_attributes): Split out from here.
- (gen_enumeration_type_die): Add src coordinates.
- (gen_struct_or_union_type_die): Likewise.
- (dwarf2out_finish): Call output_call_frame_info for all targets.
-
-Thu Dec 5 11:25:30 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (add_pure_or_virtual_attribute): Only add
- AT_containing_type if -g2 or higher.
-
- * dwarf2out.c (gen_struct_or_union_type_die): Make sure that
- the type for AT_containing_type has been generated.
- (gen_decl_die): Likewise.
-
- * dwarf2out.c (type_tag): Check DECL_IGNORED_P.
- (add_pure_or_virtual_attribute): Check DECL_VINDEX instead.
- (scope_die_for): Likewise.
- * dwarfout.c (type_tag): Likewise.
-
-Wed Dec 4 22:51:38 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (decode_cfi_rtl): Support getting a CONST_INT.
- (dwarf2out_begin_function): Adjust.
- (reg_save): Divide offset by the alignment.
- (output_cfi): Support having more than one advance_loc.
- (output_call_frame_info): Re-initialize current_label.
- (dwarf2out_begin_prologue): Initialize current_label to NULL.
- (lookup_cfa, lookup_cfa_1): New fns.
- (dwarf2out_def_cfa): Call lookup_cfa.
- (dwarf2out_finish): Don't generate CIE CFIs.
- (dwarf2out_init): Generate them here.
- (DWARF_FRAME_RETURN_COLUMN): Use PC_REGNUM.
-
- (add_pure_or_virtual_attribute): Note virtual context.
- (gen_formal_parameter_die): Return the die.
- (gen_formal_types_die): Set AT_artificial on `this'.
- (gen_subprogram_die): Add AT_accessibility.
- (gen_variable_die): Likewise.
- (gen_field_die): Likewise. Don't generate location attribute for
- union members.
- (gen_struct_or_union_type_die): Note where our vtable lives.
- (gen_decl_die): Handle anonymous union fields.
- (dwarf2out_decl): Always output `bool'.
-
-Mon Dec 2 03:55:15 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * final.c (final_end_function): Don't call dwarf2out_end_function.
-
- * dwarf2out.c (output_line_info): Emit special opcodes for each line
- entry, even if the line number doesn't change.
- (pend_type, output_pending_types_for_scope): New fns.
- (gen_struct_or_union_type_die): Use them to defer generating member
- dies if we're in the middle of some other context.
- (gen_type_die): Still put nested types in the right place.
- (dwarf2out_decl): Call output_pending_types_for_scope.
-
- * dwarf2out.c (dw_fde_struct): Replace end_prologue, begin_epilogue
- with current_label.
- (DWARF_CIE_INSN_SIZE, DWARF_CIE_SIZE): Remove.
- (DWARF_CIE_HEADER_SIZE): The size without the initial insns.
- (size_of_cfi): Revert.
- (decode_cfi_rtl, add_fde_cfi, dwarf2out_def_cfa, reg_save,
- dwarf2out_reg_save, dwarf2out_return_save): New fns.
- (dwarf2out_begin_function): Use them to generate CFIs.
- (dwarf2out_finish): Use them to generate E CFIs.
- Don't set next_fde_offset.
- (calc_fde_sizes): Initialize cie_size.
- (output_call_frame_info): Don't generate CIE CFIs.
- (dwarf2out_end_function): Remove.
-
- * tree.c (maybe_get_identifier): New fn.
- * varasm.c (assemble_name): Use it instead of get_identifier.
-
-Fri Nov 29 15:13:39 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * jump.c (jump_optimize): Don't move initialization if there is a
- label between it and the jump for if (foo) bar++ to bar += (foo !=0)
-
-Wed Nov 27 16:21:14 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * Remove change of Oct 4.
- * i386.h (outer_function_chain): Remove.
- (current_function_calls_alloca): Remove.
- (rtx_equal_function_value_matters): Remove.
- (N_REGS_USED, N_ALLOCATABLE_REGISTERS): Remove.
- * i386.md (adddi3_1, subdi3_1): Remove.
- (adddi3, subdi3): Revert.
- (movsf, movsf_mem, movsf_normal, movdf, movdf_mem, movdf_mem+1):
- Likewise.
- (movxf, movxf_mem, movxf_mem+1, addsidi3_1, addsidi3_2): Likewise.
- (adddi3_1, subsidi3, subdi3_1): Likewise.
- (addsidi3_1, addsidi3_2, subsidi3): Likewise.
- (addsidi3_1, addsidi3_2, adddi3, subsidi3): Disable the problem
- reload alternatives.
-
-Wed Nov 27 16:21:14 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * i386.md (ashldi3_non_const_int, ashrdi3_non_const_int):
- Use a hidden branch to handle shifts > 32 bit.
- (lshrdi3_non_const_int): Likewise.
- (floatdixf2): Don't use unnecessary XFmode operation.
-
-Wed Nov 27 15:23:41 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * varasm.c (assemble_variable): Don't emit DWARF.
-
- * toplev.c (rest_of_type_compilation): Don't emit DWARF.
- (main): Just let -gdwarf mean DWARF v1; remove -gdwarf-1.
-
- * dwarfout.c (decl_class_context): New fn.
- (output_global_subroutine_die): Fix declaration case.
- (output_global_variable_die): Likewise.
- (output_type): Note when we are in a class defn. If we're a nested
- type and our context hasn't been written, do that. Do early exit
- for nested types.
- (output_decl): Output the class context for fns and vars.
- Don't emit detailed parm info for a fn declaration.
- Use TYPE_DECL_IS_STUB, is_redundant_typedef.
- (type_ok_for_scope): Support emitting nested types later.
- (is_redundant_typedef): New fn.
- (TYPE_DECL_IS_STUB): New macro.
- (output_compile_unit_die): Check use_gnu_debug_info_extensions.
- (output_local_subroutine_die, output_global_subroutine_die,
- dwarfout_begin_function, dwarfout_end_function, dwarfout_line,
- generate_macinfo_entry, dwarfout_init, dwarfout_finish): Likewise.
-
- * dwarf2out.c (decl_class_context): Static.
- (lookup_type_die): Use TYPE_SYMTAB_POINTER.
- (equate_type_number_to_die): Likewise.
- (gen_subprogram_die): If we're in class context, it's a decl.
- (gen_variable_die): Likewise.
- (gen_decl_die): Output the containing type.
- (dwarf2out_init): Lose type_die_table code.
-
-Wed Nov 27 08:30:54 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * Makefile.in (DRIVER_DEFINES): New macro, with the macro
- definitions for the driver.
- (gcc.o): Make rule use $(DRIVER_DEFINES).
- * gcc.c (process_command) [LANG_SPECIFIC_DRIVER]: Call
- lang_specific_driver, passing along the addr of FATAL for errors
- along with our ARGC and ARGV.
-
-Wed Nov 27 08:21:13 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
-
- * m68k.md (iorsi_zexthi_ashl16): New pattern.
- (ashrsi_16): New name for old unnamed pattern.
-
- * objc/misc.c (stdlib.h): Define __USE_FIXED_PROTOTYPES__ before
- including stdlib.h.
-
-Wed Nov 27 08:17:34 1996 Joern Rennecke <amylaar@cygnus.co.uk>
-
- * i386.md (decrement_and_branch_until_zero+[3-8]): Add missing
- CC_STATUS_INIT.
- (decrement_and_branch_until_zero+[5-8]): Delete redundant assignment.
-
-Wed Nov 27 07:56:27 1996 J.T. Conklin <jtc@rhino.cygnus.com>
-
- * m68k.md ({and,ior,xor}si3_internal): Removed !TARGET_5200 from
- conditionals now that entire insn is disabled when !TARGET_5200.
-
-Wed Nov 27 07:52:32 1996 Oliver Kellogg <kellogg@space.otn.dasa.de>
-
- * 1750a.md (movhi pattern): Fixed MEM to MEM move problem.
-
-Tue Nov 26 14:50:54 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * expr.c (move_by_pieces): Abort only if length positive at end.
- * function.c (frame_offset, get_frame_size): Make HOST_WIDE_INT.
- * function.h (struct function): Make frame_offset be HOST_WIDE_INT.
- (get_frame_size): Add definition.
- * reload1.c (reload): Make starting_frame_size be HOST_WIDE_INT.
-
-Mon Nov 25 16:55:14 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (dwarf2out_finish): Don't emit call frame info
- for non-MIPS targets.
- (is_redundant_typedef): New fn.
- (modified_type_die): Refer to typedef DIEs where appropriate.
- (gen_typedef_die): Support DECL_ORIGINAL_TYPE.
- (gen_type_die): Likewise. Use is_redundant_typedef.
- (gen_subprogram_die): Don't force a spec DIE for local class methods.
-
-Mon Nov 25 15:09:12 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * gcc.c (handle_braces): Rework last change.
-
-Mon Nov 25 13:49:51 1996 Jim Wilson <wilson@cygnus.com>
-
- * configure (build_exeext, exeext): New variables. Use sed to insert
- build_exeext value into Makefile exeext rule.
- (*-*-cygwin32): Set exeext.
- * i386/x-cygwin32 (exeext): Delete.
- * rs6000/x-cygwin32 (exeext): Delete.
-
- * dwarf.h (enum dwarf_location_atom): Add OP_MULT.
- * dwarfout.c (output_mem_loc_descriptor, case MULT): Add.
- * dwarfout2.c (mem_loc_descriptor, case MULT): Add.
-
- * dwarfout.c (dwarf_fund_type_name, case FT_unsigned_int64): Fix typo.
-
-Sun Nov 24 21:42:01 1996 J.T. Conklin <jtc@rhino.cygnus.com>
-
- * m68k.md (andsi3): Changed into define_expand.
- (andsi3_internal): Rename from old andsi3, changed condition
- to !TARGET_5200.
- (andsi2_5200): New insn.
- (iorsi3): Change into define_expand.
- (iorsi2_internal): Rename from old iorsi3, changed condition
- to !TARGET_5200.
- (iorsi2_5200): New insn.
- (xorsi3): Change into define_expand.
- (xorsi2_internal): Rename from old xorsi3, changed condition
- to !TARGET_5200.
- (xorsi2_5200): New insn.
-
-Sun Nov 24 21:31:32 1996 John F. Carr <jfc@mit.edu>
-
- * i386.h (N_ALLOCATABLE_REGISTERS): Remove extra backslash at
- end of macro definition.
-
- * cpplib.c (LOCAL_INCLUDE_DIR): Remove default definition.
- (include_defaults_array): Do not use LOCAL_INCLUDE_DIR or
- TOOL_INCLUDE_DIR if they are not defined.
- * cccp.c: Likewise.
-
- * Makefile.in (cppmain.o): New rule.
-
-Sun Nov 24 19:14:50 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * fold-const.c (merge_ranges): In (+,-) case, if lower bounds are
- the same the result is always false.
-
-Sun Nov 24 18:48:31 1996 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
-
- * c-typeck.c (build_indirect_ref): Don't give warning for
- dereferencing void * if evaluation is being skipped.
-
- * c-decl.c (poplevel): Don't call output_inline_function if
- DECL_SAVED_INSNS is not set.
-
- * gcc.c (give_switch): Add new arg, INCLUDE_BLANKS.
- (handle_braces): All callers changed.
- Add support for new construct: %{S*^}.
-
-Sun Nov 24 18:44:48 1996 Paul Eggert <eggert@twinsun.com>
-
- * c-parse.in (unary_expr, expr_no_commas): Increment skip_evaluation
- when analyzing an expression that is known not to be evaluated.
- (sizeof, alignof): New rules.
- * c-tree.h (skip_evaluation): New variable.
- * c-common.c (skip_evaluation): Likewise.
- (overflow_warning, unsigned_conversion_warning): Don't warn about
- potential runtime errors when skipping evaluation.
- * c-typeck.c (build_binary_op): Likewise.
- (build_conditional_expr): op1 now always nonnull.
-
-Sun Nov 24 17:06:58 1996 Bernd Schmidt (crux@Pool.Informatik.RWTH-Aachen.DE)
-
- * toplev.c (rest_of_compilation): Call regscan before each
- jump threading pass.
-
-Sun Nov 24 16:37:18 1996 Dave Love <d.love@dl.ac.uk>
-
- * configure (objc_thread_file): Set conditionally in each case so
- may be overidden with `--enable-objcthreads=posix'.
- Change Linux default to `single'.
-
-Fri Nov 22 17:53:15 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * varasm.c (assemble_variable): Output DWARF in the third case, too.
-
- * dwarf2out.c (decls_for_scope): Only add DIEs with no parents to
- our scope.
- (gen_subroutine_type_die): Parm types go under the fn type DIE.
-
- * Makefile.in ($(T)crt{begin,end}.o): Move CRTSTUFF_T_CFLAGS after
- general flags.
-
- * mips/t-iris6 (CRTSTUFF_T_CFLAGS): Define.
- * mips.c (compute_frame_size): Fix fp_save_offset.
-
- * dwarf2out.c (new_die): If we get a NULL parent, inc limbo_die_count.
- (decls_for_scope): Decrement limbo_die_count as appropriate.
- (dwarf2out_finish): Check for good limbo_die_count.
- (size_of_cfi): If regno too big for DW_CFA_offset, use offset_extended
- instead.
- (output_call_frame_info): Add disabled code for specifying ABI.
- (dwarf2out_begin_function): Note all saved regs.
-
- * dwarf2out.c (gen_subprogram_die): Have a DIE for each fn at
- toplevel.
- (scope_die_for): Only use the NULL for fns and tags.
-
-Tue Nov 21 15:53:51 1996 Joern Rennecke <amylaar@cygnus.co.uk>
-
- * sh.c (output_stack_adjust): New argument TEMP. Changed all callers.
- If the adjust cannot be done with one, but can be done with two
- CONST_OK_FOR_I constants, do it that way.
-
-Thu Nov 21 14:25:55 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * fixincludes: Include <stdio.h> in <assert.h> even if not C++ if
- stderr needs to be defined.
-
-Wed Nov 20 15:38:13 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * toplev.c (rest_of_type_compilation): Do output function-scope tags
- for DWARF 2.
- * c-decl.c (pushtag): Set TYPE_CONTEXT on the tag.
- * toplev.c, varasm.c: s/dwarf2out_file_scope_decl/dwarf2out_decl/g.
- * dwarf2out.c (add_prototyped_attribute): Use a value of 1.
- (gen_subprogram_die): Support AT_static_link.
- (dwarf2out_decl): Rename from dwarf2out_file_scope_decl.
- Give nested fns and tags a die_parent of NULL.
- (decls_for_scope): Fix the die_parent for nested fns and tags.
- (scope_die_for): If we get a context of NULL, just return it.
-
-Tue Nov 19 18:21:11 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (gen_subprogram_die): Support block extern decls.
- (gen_variable_die): Likewise.
- (gen_decl_die): Emit block extern function decls.
-
- * c-decl.c (implicitly_declare): Set DECL_ARTIFICIAL.
-
-Tue Nov 19 16:50:32 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * configure (powerpc*-{sysv,elf,eabi{,aix,sim}}): Set
- extra_headers to ppc-asm.h.
- (powerpc*-{linux,solaris,rtems,vxworks}): Ditto.
- (powerpc*-{winnt,pe,cygwin32}): Ditto.
-
- * rs6000/t-{ppc,ppcgas,solaris,winnt} (EXTRA_HEADERS): Don't set
- it here.
-
-Mon Nov 18 14:51:46 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (DWARF_CIE_INSN_SIZE): New macro.
- (DWARF_CIE_HEADER_SIZE): Use it.
- (DWARF_FRAME_RETURN_COLUMN, DWARF_FRAME_REGNUM): New macros.
- (output_call_frame_info, dwarf2out_begin_function): Use them.
- For the MIPS, output the first CFA insn in the CIE.
- * dwarf2.h (enum dwarf_call_reg_usage): Lose.
- (dwarf_macinfo_record_type): Fix spelling.
- * mips/mips.h (DWARF_FRAME_REGNUM, DWARF_FRAME_RETURN_COLUMN): Define.
-
- * dwarf2out.c (base_type_die): Just generate the DIEs as needed,
- rather than building up some table.
- (init_base_type_table): Lose.
- (add_subscript_info): Use add_type_attribute. Don't give an upper
- bound for an array of unknown size.
- (gen_unspecified_parameters_die): Remove DWARF-1 kludge.
- (dwarf2out_init): Lose call to init_base_type_table.
- (is_c_family, is_fortran): New fns.
- (gen_compile_unit_die): Recognize GNU F77.
- (gen_array_type_die): Use AT_declaration for an array of unknown size.
- (modified_type_die): Take TYPE_MAIN_VARIANT before passing it
- to build_type_variant, so we ignore named variants.
- (dwarf2out_file_scope_decl): Don't generate DIEs for built-in structs,
- either; they will be emitted if they are used.
- From wilson:
- (gen_array_type_die): Force the element type out first on IRIX 6.
-
-Sun Nov 17 20:23:11 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * expr.c (get_inner_reference): Fix error in previous change.
-
-Sat Nov 16 06:08:27 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * emit-rtl.c (operand_subword): Avoid confusion if sizeof (float)
- is less than a full word.
-
- * alpha.h (MASK_BYTE_OPS): Now define as 1024.
- * alpha/vms.h (TARGET_DEFAULT): Use symbolic values.
-
- * expr.c (get_inner_reference): Add new arg PALIGNMENT and compute it.
- (expand_assignment, do_jump): Pass new arg to get_inner_reference.
- (expand_expr, case COMPONENT_REF): Likewise.
- * fold-const.c (optimize_bit_field_compare, decode_field_reference):
- Likewise.
- * tree.h (get_inner_reference): Add new arg.
-
- * Add support for Alpha/VMS, mostly from
- Klaus Kaempf (kkaempf@progis.de)
- * configure (alpha-dec-vms*): New target.
- * alpha.c (override_options): Handle VAX format floating-point.
- (print_operand, case ',', '-'): New cases.
- (alpha_builtin_saveregs): Handle VMS convention.
- (alpha_sa_{mask,size}, alpha_pv_save_size, alpha_using_fp):
- New versions for VMS.
- (output_{pro,epi}logue, function_arg): Likewise.
- (direct_return): Never true on VMS.
- (check_float_value): Return 0 for VMS.
- (vmskrunch, alpha_{need,write}_linkage): New function.
- * alpha.h ({MASK,TARGET}_{OPEN_VMS,FLOAT_VAX}): New macros.
- (TARGET_SWITCHES): Add float-vax and float-ieee.
- ({FUNCTION,LIBCALL}_VALUE, FUNCTION_VALUE_REGNO_P): R1 and R33
- are also return registers.
- (ASM_OUTPUT_DOUBLE): Support both floating-point formats.
- (PRINT_OPERAND_FUNCT_VALID_P): Add ',' and '-'.
- * alpha.md ({div,mod}[sd]i3): Only for VMS.
- (fp operations): Add modifiers for multiple floating-point formats.
- (call patterns): Handle new calling sequence for VMS.
- (tablejump): Make new pattern for VMS.
- (nonlocal_goto_receiver, arg_home): New patterns.
- * alpha/t-vms, alpha/vms.h, alpha/xm-vms.h: New files.
-
-Fri Nov 15 17:38:20 1996 Doug Evans <dje@seba.cygnus.com>
-
- * sdbout.c (current_file): New global.
- (PUT_SDB_SRC_FILE): New PUT_SDB_FOO macro.
- (sdbout_init): Initialize current_file ifdef MIPS_DEBUGGING_INFO.
- (sdbout_{start_new,resume_previous}_source_file): New functions.
- * toplev.c (debug_{start,end}_source_file): Call them if SDB_DEBUG.
- * mips.h (PUT_SDB_SRC_FILE): Define.
-
-Fri Nov 15 16:11:25 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarfout.c (dwarfout_line): Don't emit line number info for
- functions outside of .text.
-
-Fri Nov 15 15:52:42 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386/386bsd.h (COMMENT_BEGIN): Delete.
- * i386/freebsd.h (COMMENT_BEGIN): Likewise.
- * i386/netbsd.h (COMMENT_BEGIN): Likewise.
- * i386/unix.h (COMMENT_BEGIN): Likewise.
-
-Fri Nov 15 13:22:42 1996 Jim Wilson <wilson@cygnus.com>
-
- * fold-const.c (unextend): Rewrite type conversions to avoid overflow.
-
-Fri Nov 15 12:11:28 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * combine.c (try_combine): Properly copy an rtvec.
- * emit-rtl.c (gen_rtvec_vv): New function.
- (copy_rtx_if_shared): Call it.
- * integrate.c (copy_for_inline): Likewise.
- * reload1.c (eliminate_regs): Likewise.
- * rtl.h (gen_rtvec_vv): Declare.
- * genattrtab.c (simplify_cond): Make TESTS an array of rtunions.
- * genextract.c (main): Use loop, not bcopy, to set recog_operands
- from an rtvec.
- * rtl.c (rtvec_alloc): Clear rtwint instead of rtvec.
-
- * machmode.h (HOST_PTR_PRINTF): Handle char * wider than long.
- (HOST_WIDE_INT_PRINT_{DEC,UNSIGNED,HEX,DOUBLE_HEX}): New macros.
- * final.c (asm_fprintf): Use "ll" prefix for a long long HOST_WIDE_INT.
- (output_{asm_insn,addr_const}): Use HOST_WIDE_INT_PRINT_*.
- * print-tree.c (print_node{,_brief}, case INTEGER_CST): Likewise.
- * print-rtl.c (print_rtx, case 'w'): Use HOST_WIDE_INT_PRINT_DEC.
-
- * unroll.c (iteration_info): Fix code so that it knows iteration_var
- is a HOST_WIDE_INT, not a long.
-
- * fold-const.c (operand_equal_p): Do real comparison with
- REAL_VALUES_EQUAL.
- (make_range): Properly decide when to get TREE_TYPE of arg0.
- Handle EXP being an INTEGER_CST at end.
- (fold_range_test): Handle return of 0 from make_range.
- (fold, case TRUTH_AND_EXPR): Handle first arg of 0.
- (fold, case TRUTH_OR_EXPR): Handle first arg of 1.
-
- * c-common.c (decl_attributes, case A_ALIAS): Add missing parens.
-
-Fri Nov 15 06:37:54 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * fold-const.c (range_binop): Set SNG1 to zero if ARG1 is a
- not a lower or upper bound.
-
-Thu Nov 14 23:08:25 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * flags.h (debug_info_type): Add DWARF2_DEBUG.
- * toplev.c (main): Support DWARF2_DEBUG. Add -gdwarf-1, -gdwarf-2
- options. Check debug level after choosing type.
- (debug_{start,end}_source_file, debug_{define,undef}): New functions.
- (compile_file): Support dwarf2 separately from dwarf1.
- (rest_of_type_compilation, rest_of_compilation): Likewise.
- * final.c (final_start_function): Likewise.
- (final_end_function, final_scan_insn, output_source_line): Likewise.
- * varasm.c (assemble_variable): Likewise.
- * dwarfout.c: Don't check DWARF_VERSION.
- * dwarf2out.c: s/dwarfout/dwarf2out/g. Check DWARF2_DEBUGGING_INFO.
- * c-lex.c (check_newline): Use debug_* instead of calling *out
- functions directly.
- * svr4.h (DWARF2_DEBUGGING_INFO): Define.
- * mips/iris6.h (PREFERRED_DEBUGGING_TYPE): DWARF2_DEBUG.
- (DWARF2_DEBUGGING_INFO): Define instead of DWARF_DEBUGGING_INFO.
- (LINK_SPEC): Pass -w through.
- * mips.h (PREFERRED_DEBUGGING_TYPE): Don't check `len'.
-
-Thu Nov 14 17:25:47 1996 Jeffrey A Law (law@cygnus.com)
-
- * h8300.c (dosize): Don't clobber static chain reg if needed by
- current function.
-
-Wed Nov 13 17:05:19 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * Makefile.in (stage?-start): Keep a copy of EXTRA_MULTILIB_PARTS
- in the build directory.
-
-Tue Nov 12 23:17:17 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa.c (print_operand, case 'Y'): Fix comparisons to handle
- NaNs properly in all cases.
-
-Tue Nov 12 18:47:24 1996 Jim Wilson <wilson@cygnus.com>
-
- * expr.c (emit_group_store): For REG case, call gen_lowpart if
- modes are different.
-
-Tue Nov 12 18:24:40 1996 Doug Rupp (rupp@gnat.com)
-
- * gcc.c (exit): If VMS, define as __posix_exit.
- (option_map): Add define-macro and undefine-macro.
-
-Tue Nov 12 17:55:10 1996 Torbjorn Granlund <tege@tege.pdc.kth.se>
-
- * alpha.c (input_operand): If TARGET_BYTE_OPS accept HImode and QImode.
- * alpha.h (MASK_BYTE_OPS): New define.
- (TARGET_BYTE_OPS): New define.
- (TARGET_SWITCHES): Handle -mbyte.
- (LOAD_EXTEND_OP): When MODE is not SImode, return ZERO_EXTEND.
- * alpha.md (zero_extendqidi2): Handle TARGET_BYTE_OPS.
- (zero_extendhidi2): Likewise.
- (zero_extendqisi2): Likewise.
- (zero_extendhisi2): Likewise.
- (extendqisi2): Use extendqidi2x if TARGET_BYTE_OPS.
- (extendqidi2): Likewise.
- (extendqidi2x): New pattern.
- (extendhisi2): Use extendhidi2x if TARGET_BYTE_OPS.
- (extendhidi2): Likewise.
- (extendhidi2x): New pattern.
- (movhi): Handle TARGET_BYTE_OPS.
- (movhi matcher): Output ldwu and stw.
- (movqi): Handle TARGET_BYTE_OPS.
- (movqi matcher): Output ldbu and stb.
-
-Tue Nov 12 16:53:37 1996 Rob Savoye <rob@chinadoll.cygnus.com>
-
- * configure (hppa1.1-pro*, i960-*-coff*,m68k-*-aout*): Add libgloss.h.
- (m68k-*-coff*, mips*-*-elf*, sparc*-*-aout*, sparc*-*-coff*): Likewise.
- * config/libgloss.h: New file.
-
-Tue Nov 12 16:21:45 1996 Joern Rennecke <amylaar@cygnus.com>
-
- * jump.c (jump_optimize): Fix bug in Sep 23 change.
-
-Tue Nov 12 16:15:31 1996 Andrew Cagney (cagney@tpgi.com.au)
-
- * global.c (prune_references): Add missing symmetic CONFLICTP call.
-
-Tue Nov 12 14:34:40 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
-
- * m68k.c (output_function_{pro,epi}logue): Save and restore
- fp-registers only if TARGET_68881.
-
- * m68k/mot3300.h (ASM_OUTPUT_INTERNAL_LABEL): Prefix labels with "L%".
- (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_CASE_LABEL): Likewise.
- (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
-
- * m68k/mot3300.h (TARGET_DEFAULT): Use MASK_68040_ALSO, not MASK_68040.
- * m68k/next.h, m68k/ccur-GAS.h (TARGET_DEFAULT): Likewise.
-
- * fixproto (std_files): Add sys/socket.h.
-
- * m68k.md (movqi): Emit 'st' for INTVAL & 255 == 255, not INTVAL == -1.
- (seq,sne,sgt,sgtu,slt,sltu,sge,sgeu,sle,sleu): Allow "m" as operand 0.
-
-Tue Nov 12 14:17:45 1996 Paul Eggert <eggert@twinsun.com>
-
- * c-decl.c (grokdeclarator): Generate a warning if -Wimplicit,
- unless a warning was already generated by -Wreturn-type.
-
-Tue Nov 12 14:11:02 1996 Pat Rankin <rankin@eql.caltech.edu>
-
- * Make qsort callback routines conform to the ANSI/ISO standard.
- * c-decl.c (field_decl_cmp): Use `const void *' arguments.
- * global.c (allocno_compare): Likewise.
- * reload1.c (hard_reg_use_compare, compare_spill_regs): Likewise.
- (reload_reg_class_lower): Likewise.
- * stupid.c (stupid_reg_compare): Likewise.
- * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
- (QTY_CMP_PRI, QTY_CMP_SUGG): New macros.
- (qty_compare_1, qty_sugg_compare_1): Use them.
-
-Tue Nov 12 13:20:25 1996 Jim Wilson <wilson@cygnus.com>
-
- * fold-const.c (merge_ranges): In (+,-) case, treat subset specially
- if lower bounds are the same.
-
-Tue Nov 12 13:10:01 1996 J.T. Conklin <jtc@cygnus.com>
-
- * m68k.md (addsi3): If TARGET_5200, use the lea insn to add small
- constants to address registers.
- (negsi2): Change into define_expand.
- (negsi2_internal): Rename from old negsi2, changed condition
- to !TARGET_5200.
- (negsi2_5200): New insn.
- (one_cmplsi2): Change into define_expand.
- (one_cmplsi2_internal): Rename from old one_cmplsi2, changed
- condition to !TARGET_5200.
- (one_cmplsi2_5200): New insn.
- (negdi2_5200): Corrected constraints.
- (one_cmpldi2): Changed condition to !TARGET_5200.
-
- * m68k.c (m68k_align_loops_string, m68k_align_jumps_string): New vars.
- (m68k_align_funcs_string, m68k_align_loops): Likewise.
- (m68k_align_jumps, m68k_align_funcs): Likewise.
- (override_options): New function.
- * m68k.h (TARGET_OPTIONS): Added alignment options.
- (MAX_CODE_ALIGN, ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
- New macros.
- (FUNCTION_BOUNDARY): Use value derrived from m68k_align_funcs
- instead of constant.
-
- * m68k.c (output_function_{pro,epi}logue): Fix typo in last change.
-
-Tue Nov 12 09:26:51 1996 Torbjorn Granlund <tege@wombat.gnu.ai.mit.edu>
-
- * i386.md (parallel inc/dec and branch-if-zero/nonzero): Use `+' in
- constraint.
-
-Mon Nov 11 15:12:22 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * libgcc2.c: Also define WEAK_ALIAS if ASM_OUTPUT_WEAK_ALIAS.
- * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Define.
- * varasm.c (assemble_alias): Use ASM_OUTPUT_WEAK_ALIAS.
-
- * dwarf2out.c (TYPE_USED_FOR_FUNCTION): Lose.
- (gen_compile_unit_die): Only append -g with -g2 or better.
- (scope_die_for): Don't emit any type info with -g1.
- (gen_subprogram_die): Likewise.
- (gen_decl_die): Likewise.
- (dwarfout_file_scope_decl): Likewise.
- (dwarfout_init): Likewise.
-
- * mips/iris6.h (TYPE_ASM_OP): Define.
- (SIZE_ASM_OP): Define.
- (ASM_WEAKEN_LABEL): Define.
- (BSS_SECTION_ASM_OP): Define.
- (ASM_OUTPUT_ALIGNED_LOCAL): Don't use ASM_DECLARE_OBJECT_NAME.
- (ASM_OUTPUT_ALIGNED_BSS): Define.
- (ASM_DECLARE_OBJECT_NAME): Redefine to emit .size directive.
- (ASM_FINISH_DECLARE_OBJECT): Define.
- (ASM_OUTPUT_DEF): Don't define.
-
-Fri Nov 8 20:38:51 1996 Jim Wilson <wilson@cygnus.com>
-
- * function.c (expand_function_end): Handle BLKmode structures returned
- in registers.
-
-Fri Nov 8 20:27:07 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * stor-layout.c (layout_record): Check for VAR_DECL instead
- of TREE_STATIC.
-
- * varasm.c (assemble_variable): Do write out DWARF for
- record-scope variables.
- * toplev.c (rest_of_type_compilation): Do write out DWARF for
- record-scope types.
-
- * dwarf2out.c (gen_enumeration_type_die): Set TREE_ASM_WRITTEN on a
- complete enum type.
- (gen_struct_or_union_type_die): Don't recurse between nested classes.
- (gen_type_die): Write out nested classes by writing out their context.
-
-Fri Nov 8 17:40:27 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * emit-rtl.c (change_address): If MEMREF isn't changing,
- return the old one.
-
- * expr.c (expand_assignment): Remove bogus resetting of alignment
- to inner alignment.
- (expand_expr, case COMPONENT_REF): Likewise.
-
-Fri Nov 8 16:31:31 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * reg-stack.c (compare_for_stack_reg, subst_stack_regs_pat):
- Add support for float conditional move.
-
-Thu Nov 7 07:46:07 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * stor-layout.c (layout_record): Treat constant size as variable if
- it overflows.
- * fold-const.c (const_binop, case *_DIV_EXPR): Don't do special
- sizetype case if a constant overflows.
- (size_binop): Use integer_{zero,one}p instead of explicit test.
- * tree.c (integer_{zero,one,all_ones,pow2}p, real_{zero,one,two}p):
- Return 0 if TREE_CONSTANT_OVERFLOW.
-
-Wed Nov 6 17:53:33 1996 Torbjorn Granlund <tege@wombat.gnu.ai.mit.edu>
-
- * i386.md (parallel inc and branch-if-zero/nonzero): Add two
- new pattern variants. Change incrementing pattern to use incl/jnz.
-
-Wed Nov 6 09:46:10 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.c (override_options): Set defaults for -march and -mcpu.
- (output_float_compare): Use cc_status.flags to mark if this
- comparison can be done with fcomi.
- (output_fp_cc0_set): A conditional move may be in a PARALLEL.
-
- * i386.h (CC_FCOMI): Define
-
- * i386.md (sgt,sgtu,sge,sle,bgt,blt,bge,ble): Use CC_FCOMI
- (movsicc_1,movhicc_1): Use correct size suffix.
- (movsfcc_1,movdfcc_1): Cleanup default move case.
-
-Wed Nov 6 09:46:10 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * i386.h (HARD_REGNO_MODE_OK): If long double isn't XFmode, can't
- allow XFmode.
-
-Tue Nov 5 22:49:56 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.md (define_split for and_shl_scratch):
- Use rtx_equal_p on the operands to find out which alternative is used.
- * sh.c (gen_shl_and): Try to generate shorter constant for and.
-
-Mon Nov 4 19:13:52 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c: Clean up unused variables.
- Use ASM_{GENERATE,OUTPUT}_INTERNAL_LABEL, shorten label names.
- (loc_descriptor): Use reg_loc_descriptor.
- (TYPE_DECL_IS_STUB): New macro.
- (gen_decl_die): Use it.
- (dwarfout_file_scope_decl): Use it.
-
-Mon Nov 4 10:23:46 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * ginclude/va-ppc.h (__va_regsave_t,va_start,va_end): Wrap macro
- and structures inside #ifndef __VA_PPC_H__ to allow reinclusion.
-
- * rs6000/rs6000.h (LEGITIMATE_SMALL_DATA_P): Don't allow -fpic or
- TARGET_TOC.
- (LEGITIMATE_LO_SUM_ADDRESS_P): Ditto.
- (LEGITIMIZE_ADDRESS): Ditto.
-
- * rs6000/rs6000.md (movsi): Don't call elf_{high,low} if -fpic.
-
- * rs6000/cygwin32.h (STARTFILE_SPEC): Eliminate empty %{}.
-
-Sun Nov 3 15:56:35 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/sysv4.h (TARGET_TOC): Plain -fpic does not require a TOC.
- ({MINIMAL_TOC,CONST}_SECTION_ASM_OP): -fpic should be treated like
- -mrelocatable in these cases.
- (ASM_OUTPUT_INT): Ditto.
- (ASM_OUTPUT_SECTION_NAME): Ditto.
- (ASM_OUTPUT_ALIGNED_LOCAL): Use sdata_section, not sbss_section.
-
-Fri Nov 1 19:57:13 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (based_loc_descr): Use DBX_REGISTER_NUMBER. The
- "frame base" is just the frame or stack reg without an offset.
- (gen_subprogram_die): Likewise.
- (dwarfout_begin_function): Use DBX_REGISTER_NUMBER.
-
-Fri Nov 1 09:50:05 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * fold-const.c (make_range): Don't merge unsigned case with range
- containing upper bound; instead merge just with zero and convert
- a range with no upper bound to opposite one with no lower bound.
- (merge_ranges): In (+,-) case, don't treat subset specially if
- the upper bounds are the same; fix typo in others case here.
-
-Thu Oct 31 20:12:13 1996 Jeffrey A Law (law@cygnus.com)
-
- * fold-const.c (make_range, case PLUS_EXPR): Correct
- normalization of an unsigned range that wraps around zero.
-
-Thu Oct 31 21:06:37 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * mips/t-iris6 (EXTRA_MULTILIB_PARTS): Define.
- (EXTRA_PARTS): Don't define.
-
- * dwarf2out.c (gen_struct_or_union_type_die): Use AT_specification
- for nested types defined outside their containing class. Lose
- is_complete.
- (gen_enumeration_type_die): Lose is_complete.
- (gen_type_die): Lose is_complete.
- (add_name_and_src_coords_attributes): Tweak.
- (gen_subroutine_type_die): Use scope_die_for.
- (gen_ptr_to_mbr_type_die): Likewise.
- (gen_subprogram_die): Support AT_artificial.
- (gen_variable_die): Likewise.
- (dwarfout_file_scope_decl): Lose finalizing.
-
-Thu Oct 31 18:43:18 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * pa.c (emit_move_sequence): Refine previous change.
-
-Thu Oct 31 13:25:32 1996 Jim Wilson <wilson@cygnus.com>
-
- * crtstuff.c: Put HAS_INIT_SECTION ifdefs around Irix6 support.
-
- * tree.c (decl_function_context): Handle QUAL_UNION_TYPE.
-
- * calls.c (expand_call): Disable special handling for const calls
- that return a PARALLEL rtx.
- * expr.c (expand_expr, case CONSTRUCTOR): Don't use a PARALLEL
- target.
-
-Thu Oct 31 11:45:00 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/t-{ppcgas,ppc,solaris} (EXTRA_MULTILIB_PARTS): Add
- {e,s}crt{i,n,0}.o.
- ({stmp,install}-crt): Delete, no longer used.
- ({,INSTALL_}LIBGCC): Remove {stmp,install}-crt rule.
-
-Thu Oct 31 02:49:58 1996 Torbjorn Granlund <tege@nada.kth.se>
-
- * i386.md (parallel inc and branch-if-zero/nonzero):
- Check for -1, not zero.
-
-Wed Oct 30 15:50:49 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * fold-const.c (range_binop): Strip NOPs from result and
- verify it's an INTEGER_CST.
- (make_range, case BIT_NOT_EXPR): Fix typo in constant for PLUS_EXPR.
-
- * stor-layout.c (layout_record): Use HOST_WIDE_INT for size.
-
- * stmt.c (expand_asm_operands): Disallow matching constraints
- on output and validate the numbers on inputs.
-
-Tue Oct 29 16:21:59 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * gcc.c (process_command,main): Process -specs=file and -specs
- file after reading the main specs file to allow the user to
- override the default.
- (DEFAULT_WORD_SWITCH_TAKES_ARG): Add specs to list.
- (option_map): Ditto.
-
-Tue Oct 29 15:49:18 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * Makefile.in (stmp-multilib): Pass $flags to s-m-sub in
- MULTILIB_CFLAGS.
- (stmp-multilib-sub): Build EXTRA_MULTILIB_PARTS.
- ($(T)crt*.o): Add $(T), lose stamp-crt rule, use MULTILIB_CFLAGS.
- (install-multilib): Install EXTRA_MULTILIB_PARTS.
-
-Mon Oct 28 20:09:39 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.md (shl_sext_ext): Don't accept simple left/right shift
- variant.
- * sh.c (EXT_SHIFT_SIGNED): New macro.
- (shl_sext_kind, gen_shl_sext): try left shift - sign extend -
- left shift - arithmetic right shift in case 2.
-
-Mon Oct 28 14:55:42 1996 Jim Wilson <wilson@cygnus.com>
-
- * configure (sh-*-*): Set float_format to sh.
- * config/float-sh.h: New file.
-
-Mon Oct 28 14:26:08 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * mips/mips.h (RTX_COSTS): Add cases for SIGN_EXTEND and
- ZERO_EXTEND.
-
- * m68k/lb1sf68.asm: Change # to IMM in udivsi3 __mcf5200__.
-
- * combine.c (simplify_rtx): Add some optimizations for TRUNCATE.
- (expand_compound_operation): Add some optimizations for
- ZERO_EXTEND.
-
-Mon Oct 28 14:11:20 1996 Gavin Koch <gavin@cygnus.com>
-
- * varasm.c (make_decl_rtl,assemble_variable):
- Allow named sections for uninitialized variables.
-
-Mon Oct 28 13:08:51 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * pa.c (emit_move_sequence): If reload in progress, replace
- reference to pseudo with reference to corresponding MEM.
-
- * c-typeck.c ({un,}signed_type): If can't do anything, call
- signed_or_unsigned_type.
- (signed_or_unsigned_type): If already right signedness, return.
-
-Mon Oct 28 13:05:26 1996 Stephen Williams (steve@icarus.com)
-
- * i960.h: Add specification for -Jx types.
- * i960/t-960bare: Include multilib support for Jx types.
-
-Mon Oct 28 10:06:00 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/t-{ppc{,gas},solaris} (install-crt): Depend on
- installdirs, not install-dir.
-
- * rs6000/sysv4.h (TARGET_TOC): -fpic does not use a TOC area.
-
-Mon Oct 28 09:07:42 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * reload1.c (delete_output_reload): Don't use delete_insn
- when deleting all stores into a replaced pseudo.
-
- * sh.md (movsf_ieq, movsf_ie): Merged the former into the latter.
- Changed matching define_split appropriately.
- (movsf): Changed appropriately.
- (reload_insf) Define.
- * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Define.
-
-Mon Oct 28 08:38:23 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * dsp16xx.h (ASM_OUTPUT_BYTE): adjust definition to actual type of
- VALUE, which is HOST_WIDE_INT.
-
-Mon Oct 28 07:36:07 1996 Ulrich Drepper <drepper@cygnus.com>
-
- * ginclude/stddef.h: Make sure file is processed if some of the
- known __need_* macros is defined.
-
-Sun Oct 27 21:37:59 1996 J.T. Conklin <jtc@cygnus.com>
-
- * m68k.c (output_function_prologue): Adjust SP then use movmel with
- plain address indirect mode for TARGET_5200.
- (output_function_epilogue): Disable moveml and use several movel's
- instead for TARGET_5200.
- (output_function_{pro,epi}logue): Use lea instruction to adjust
- stack pointer for short displacements for TARGET_5200.
-
-Sun Oct 27 15:27:45 1996 Jeffrey A Law (law@cygnus.com)
-
- * fold-const.c (merge_ranges): Fix thinko/typo.
-
-Sat Oct 26 22:07:04 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * expr.c (convert_modes): Before returning a const_double for a
- large unsigned value, zero extend an integer value if necessary.
-
-Sat Oct 26 15:24:55 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
-
- * m68k/x-mot3300 (XCFLAGS): Disable native assembler's jump
- optimization for expr.o and cp/decl.o.
-
-Sat Oct 26 14:04:09 1996 Ben Harris <bjh21@cam.ac.uk>
-
- * m68k.c (output_function_prologue): Add REGISTER_PREFIX to stack
- probe instruction.
-
-Sat Oct 26 13:59:05 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * explow.c (allocate_dynamic_stack_space): Delete reference to
- nonexistant macro ALLOCATE_OUTGOING_ARGS.
-
- * next.h (CPP_PREDEFINES): Add -D_NEXT_SOURCE.
-
-Sat Oct 26 13:50:49 1996 Mark Mitchell (mitchell@centerline.com)
-
- * configure (i486-ncr-sysv4*): Use i386/sysv4gdb if stabs and gas.
-
-Sat Oct 26 12:20:35 1996 John F. Carr <jfc@mit.edu>
-
- * configure: Support --with-cpu=* for SPARC. Or target default
- values instead of adding them.
- * sparc.c (cpu_default): Add entries for v8 and supersparc.
- * sparc.h: Define TARGET_CPU values for v8 and supersparc.
-
-Sat Oct 26 11:38:01 1996 Kamil Iskra <iskra@student.uci.agh.edu.pl>
-
- * collect2.c (dump_file): Call fclose() for opened files.
-
-Sat Oct 26 11:29:29 1996 J"orn Rennecke (amylaar@cygnus.co.uk)
-
- * jump.c (jump_optimize): Fix second error in last change.
-
- * svr3.h: Fix typo which makes comment text be non-comment.
-
-Fri Oct 25 16:18:39 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/t-winnt (LIBGCC1): Don't build libgcc1.
- (EXTRA_PARTS): Build crti.o, crtn.o.
- (stmp-crt): Remove old multilib support.
-
-Thu Oct 24 15:09:14 1996 Jim Wilson <wilson@cygnus.com>
-
- * fold-const.c (make_range, case PLUS_EXPR): Normalize an unsigned
- range that wraps around 0.
-
-Thu Oct 24 14:37:17 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * mips.md: Change predicates for 64 bit arithmetic operations
- so that they accept sign extended registers as operands.
- (extendsidi2): Accept hi or lo as input.
- * mips.c (movdi_operand, se_register_operand,
- se_reg_or_0_operand, se_uns_arith_operand, se_arith_operand,
- se_nonmemory_operand, se_nonimmediate_operand): New functions.
- (mips_move_2words): Handle a SIGN_EXTEND source.
- (print_operand): Handle a SIGN_EXTEND operand.
- (mips_secondary_reload_class): Handle a SIGN_EXTEND rtx.
- * mips.h: Declare new mips.c functions.
- (PREDICATE_CODES): Add new functions.
-
-Thu Oct 24 07:41:14 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * fold-const.c (make_range, comparison cases): When making range
- for unsigned to merge in, use full range.
-
- * stor-layout.c (GET_MODE_ALIGNMENT): Delete definition; duplicate.
-
-Thu Oct 24 07:28:53 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * reload1.c (emit_reload_insns): Check for second_reloadreg
- in SECONDARY_OUTPUT_RELOAD_CLASS / PRESERVE_DEATH_INFO_REGNO_P case.
-
-Wed Oct 23 14:27:43 1996 Mike Stump <mrs@cygnus.com>
-
- * crtstuff.c (__do_global_dtors_aux): Allow finalization code to
- be run more than once.
- * libgcc2.c (__do_global_dtors): Ditto.
-
-Wed Oct 23 20:42:23 1996 Joern Rennecke <amylaar@cygnus.co.uk>
-
- * sh.c (dump_table): handle SFmode and DFmode.
- (broken_move): handle simple PARALLEL.
- (machine_dependent_reorg, pc-relative move generation): Likewise.
- * sh.h (CONST_DOUBLE_OK_FOR_LETTER_P): always true for 'F' .
- (LEGITIMATE_CONSTANT_P): accept SFmode and DFmode.
- * sh.md (movdf_k, movsf_i, movsf_ie): new alternative for
- pc-relative load.
- (movsf_ieq): new define_insn with matching define_split.
- (movsf): use it where appropriate.
- (consttable_sf, consttable_df): new define_insns.
-
-Wed Oct 23 17:48:32 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * svr4.h (MAKE_DECL_ONE_ONLY): Fix typo in use of macro parameter.
-
-Wed Oct 23 17:46:13 1996 Pat Rankin <rankin@eql.caltech.edu>
-
- * cexp.y (yylex): Cast string literal to U_CHAR* for lookup() call.
-
-Wed Oct 23 14:50:04 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * stmt.c (expand_return): Expand cleanups. Make sure we get a
- pseudo-reg and provide a target in the non-BLKmode case. Get return
- type of fn properly.
-
-Wed Oct 23 14:16:06 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * reload.c (find_reloads): Handle any unary operator.
- * recog.c (constrain_operands): Likewise.
-
- * mips.md: Remove extendsidi2 define_expand.
- Rename extendsidi2_internal define_insn to extendsidi2, and add a
- register to register case.
-
-Wed Oct 23 14:08:31 1996 Jim Wilson <wilson@cygnus.com>
-
- * a29k.c (a29k_makes_calls): New global variable.
- (compute_regstack_size, a29k_compute_reg_names): New functions.
- (output_prolog): Much code moved to two new functions. Use
- a29k_makes_calls instead of makes_calls.
- * a29k.h (ASM_DECLARE_FUNCTION_NAME): Call a29k_compute_reg_names.
-
- * calls.c (expand_call): In target code, move PARALLEL case above
- target != case.
-
- * mips.c (block_move_load_store, block_move_sequence): Delete.
- (block_move_loop): New parameter orig_dest. Call change_address to
- create new MEM instead of gen_rtx.
- (expand_block_move): New local orig_dest. Pass it to block_move_loop.
- Call change_address to create new MEM instead of gen_rtx.
-
-Wed Oct 23 10:30:32 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * loop.c (combine_givs): When combining a DEST_REG giv with its
- only use, always set the benefit of the combined giv to that of
- the DEST_REG giv.
-
- * emit-rtl (gen_lowpart_common): When converting a floating
- point value into an integer, use WORD as (first) word.
-
- * combine.c (can_combine_p): When SMALL_REGISTER_CLASSES is defined,
- avoid substituting a return register into I3.
-
- * optabs.c (emit_libcall_block): Before adding an REG_EQUAL note,
- check that it will really apply to a single instruction.
- (expand_binop, expand_fix): Likewise.
-
-Wed Oct 23 10:20:52 1996 Stephen L Moshier (moshier@world.std.com)
-
- * real.c (exact_real_inverse): New function, if REAL_ARITHMETIC.
- * fold-const.c (exact_real_inverse): Likewise, if no REAL_ARITHMETIC.
- (fold, case RDIV_EXPR): Turn divide by constant into multiplication
- by the reciprocal, if optimizing and result is exact.
- * real.h (exact_real_inverse): Declare.
-
-Wed Oct 23 00:12:52 1996 Torbjorn Granlund <tege@nada.kth.se>
-
- * expr.h (emit_store_flag_force): Declare.
-
-Tue Oct 22 18:32:20 1996 Jim Wilson <wilson@cygnus.com>
-
- * unroll.c (unroll_loop): Always reject loops with unbalanced blocks.
-
-Tue Oct 22 18:27:06 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * config/fp-bit.c (float_to_usi): Correct thinko: avoid a negative
- shift.
- (df_to_sf): Remember any discarded nonzero bits in the low order
- guard bit.
-
- * ginclude/va-mips.h: Add support for -mips1 and -msoft-float when
- using -mabi=eabi.
- * mips/abi64.h (SETUP_INCOMING_VARARGS): When MIPS EABI, handle
- TARGET_SINGLE_FLOAT or ! TARGET_FLOAT64 correctly when saving
- floating point registers to the stack.
- * mips/mips.c (mips_function_value): If TARGET_SINGLE_FLOAT, use
- GP_RETURN for floating point types larger than 4 bytes.
-
-Tue Oct 22 09:43:49 1996 Geoffrey Noer <noer@cygnus.com>
-
- * rs6000/cygwin32.h (LIB_SPEC): Add -lkernel32 all of the time,
- and {user,gdi,comdlg}32 if -mwindows.
-
-Tue Oct 22 05:24:05 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (scope_die_for): Don't skip lexical blocks.
- (gen_lexical_block_die): Call push_decl_scope.
- (gen_subprogram_die): Never refer to the function symbol.
- (dwarfout_begin_prologue): Likewise.
-
-Mon Oct 21 20:22:49 1996 Torbjorn Granlund <tege@nada.kth.se>
-
- * expmed.c (emit_store_flag_force): New function.
- * optabs.c (expand_binop): Use it.
-
- * expr.c (do_store_flag): Don't check if target is 0 in code
- emitting store flag as compare-branch.
-
-Mon Oct 21 17:58:33 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * mips.c (override_options): Correct typo (MASK_64BIT should
- have been TARGET_64BIT).
-
-Mon Oct 21 13:58:54 1996 Jim Wilson <wilson@cygnus.com>
-
- * unroll.c (loop_comparison_code): New static variable.
- (unroll_loop): Add check for loop_comparison_code
- (loop_iterations): Set loop_comparison_code.
-
- * sh.c (gen_shl_sext): Add missing parameter to shl_sext_kind call.
-
- * mips.h (INITIAL_FRAME_POINTER_OFFSET): Delete.
-
- * loop.c (strength_reduce): Add check for ! bl->reversed to
- auto_inc_opt code.
-
-Mon Oct 21 12:28:15 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- jump.c (jump_optimize): Fix bug in Oct. 14 change.
-
-Mon Oct 21 07:59:16 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * expr.c (store_expr): Disable optimization of using convert
- if exp's type is a subtype.
-
- * c-typeck.c (build_array_ref): If -Wchar-subscripts, also warn
- in case when pointer is being indexed.
-
-Mon Oct 21 07:39:31 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * jump.c (jump_optimize): Use emit_store_flag even if branches
- are cheap, if the store is even cheaper.
-
-Sun Oct 20 20:01:09 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * reload1.c (reload_reg_free_p, reloads_conflict): RELOAD_OTHER
- and RELOAD_FOR_OTHER_ADDRESS conflict.
-
- * i386.md (ffs[sh]i2): Add missing CC_STATUS_INIT.
-
-Fri Oct 18 13:32:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.md (float conversion insns): Generate correct code
- if the bit 15 of rs6000_fpmem_offset is non-zero.
-
-Thu Oct 17 23:22:03 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarfout.c (data_member_location_attribute): Support binfos.
- (output_inheritance_die): New fn.
- (output_type): Use it.
-
- * dwarf2out.c (value_format): Split out from...
- (output_value_format): Here.
- (build_abbrev_table): Use value_format.
- (size_of_locs): New fn.
- (size_of_die): Don't assume a loc needs a 2-byte length.
- (value_format): Likewise.
- (output_die): Likewise.
-
-Thu Oct 17 14:46:14 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * mips.c (override_options): In 64 bit EABI mode, set TARGET_LONG64.
-
-Thu Oct 17 11:34:51 1996 Bob Manson <manson@cygnus.com>
-
- * expr.c (do_jump): Conditionalize cleanups for the COND_EXPR case,
- similarly to the way TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR are
- handled.
-
-Thu Oct 17 01:20:16 1996 Jim Wilson <wilson@cygnus.com>
-
- * m68k.h (MASK_68040_ALSO): New macro.
- (TARGET_SWITCHES): Option -m68020-40 includes MASK_68040_ALSO.
-
-Wed Oct 16 16:25:38 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (scope_die_for): Also support decls, add asserts.
- (modified_type_die): Modified types all go under comp_unit_die.
- (add_type_attribute): Just pass context_die through.
- (various): Revert useless lookup_type_die change.
- (gen_subprogram_die): Use scope_die_for. Call push_decl_scope.
- (gen_inlined_subroutine_die): Call push_decl_scope.
- (gen_struct_or_union_type_die): Likewise.
- (gen_decl_die): Don't call push_decl_scope.
-
- * mips/iris6.h (*_SPEC): Replace enumeration of !mabi= with !mabi*.
- (ASM_OUTPUT_{CON,DE}STRUCTOR): Enable.
- (STARTFILE_SPEC): Support -mips4, -shared.
- (ENDFILE_SPEC): Likewise.
- (LIB_SPEC): Support -shared, avoid warning 84.
- (LIBGCC_SPEC): Define.
- (LINK_SPEC): Support -shared, remove -woff 84.
- * mips/t-iris6 (EXTRA_PARTS): Add crtstuff.
- * crtstuff.c: Support Irix 6.
- * configure: Don't use collect2 for Irix 6.
- * libgcc2.c (__main): Don't use any of this stuff if HAS_INIT_SECTION.
-
-Wed Oct 16 11:46:37 1996 Mike Stump <mrs@cygnus.com>
-
- * elxsi.h (CHECK_FLOAT_VALUE): Removed.
-
-Wed Oct 16 14:19:38 1996 Jim Wilson <wilson@cygnus.com>
-
- * iris6.h (CPP_PREDEFINES): Add -D_LONGLONG.
- (CPP_SPECS): Remove -D_LONGLONG.
-
-Wed Oct 16 03:34:42 1996 Torbjorn Granlund <tege@nada.kth.se>
-
- * i386.md (parallel inc/dec and branch-if-zero/nonzero): New patterns.
-
-Tue Oct 15 22:28:11 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * mips.h (enum mips_abi_type): Add ABI_EABI.
- (CPP_SPEC): Define __mips_soft_float if -msoft-float, and
- __mips_eabi if -mabi=eabi.
- (INITIAL_ELIMINATION_OFFSET, CUMULATIVE_ARGS,
- GO_IF_LEGITIMATE_ADDRESS, CONSTANT_ADDRESS_P, LEGITIMATE_CONSTANT,
- LEGITIMIZE_ADDRESS): Add support for MIPS EABI.
- * mips/abi64.h (STACK_BOUNDARY, MIPS_STACK_ALIGN,
- FUNCTION_ARG_PADDING, RETURN_IN_MEMORY, SETUP_INCOMING_VARARGS):
- Add support for MIPS EABI.
- (FUNCTION_ARG_PASS_BY_REFERENCE): Define.
- (FUNCTION_ARG_CALLEE_COPIES): Define.
- * mips.c (mips_const_double_ok, function_arg_advance,
- function_arg, function_arg_partial_nregs, override_options,
- compute_frame_size): Add support for MIPS EABI.
- (function_arg_pass_by_reference): New function.
- * ginclude/va-mips.h: Add support for MIPS EABI.
-
-Tue Oct 15 19:10:08 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * toplev.c (rest_of_type_compilation): Don't write out
- DWARF for function-scope types yet.
- (compile_file): Do send vars with no RTL to the DWARF code.
-
-Tue Oct 15 17:54:43 1996 Doug Evans <dje@cygnus.com>
-
- * loop.c (strength_reduce): Avoid taking PATTERN of a label.
-
-Tue Oct 15 16:52:33 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * mips/iris6.h: (SUBTARGET_CPP_SIZE_SPEC): Define.
- (SUBTARGET_CPP_SPEC): Remove definitions of __SIZE_TYPE__ and
- __PTRDIFF_TYPE__, now in SUBTARGET_CPP_SIZE_SPEC.
-
-Tue Oct 15 11:19:17 1996 Lee Iverson <leei@Canada.AI.SRI.COM>
-
- * mips.h (CPP_SPEC): Restore -D_LANGUAGE_C for Objective C.
-
-Mon Oct 14 18:03:35 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (gen_decl_die): Do generate dies for classes with -g1.
- (dwarfout_file_scope_decl): Likewise.
-
-Mon Oct 14 16:31:44 1996 Joern Rennecke <amylaar@cygnus.co.uk>
-
- * jump.c (jump_optimize): Check for if (...) { x = a; goto l; } x = b;
-
-Mon Oct 14 14:19:49 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (modified_type_die): Don't bother with AT_address_class.
- (add_data_member_location_attribute): Handle getting a binfo.
- (add_location_or_const_value_attribute): Handle a decl with no RTL.
- (add_pure_or_virtual_attribute): Add AT_vtable_elem_location.
- (add_name_and_src_coords_attributes): Only use DECL_ASSEMBLER_NAME
- for staticp things.
- (gen_subprogram_die): Set up AT_inline for abstract decls.
- (gen_inheritance_die): New fn.
- (gen_member_die): Also emit info for base classes.
-
-Sat Oct 12 00:07:00 1996 Doug Evans <dje@cygnus.com>
-
- * fold-const.c (make_range): Handle NULL operand 0
- (like in BIND_EXPRs).
-
-Fri Oct 11 15:42:22 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * toplev.c (rest_of_compilation): If we did a
- save_for_inline_copying, reset DECL_ABSTRACT_ORIGIN for the
- function when we're done.
-
- * toplev.c (main): DWARF works with C++ now.
-
- * dwarf2out.c (gen_subprogram_die): Disable MIPS_AT_has_inline
- support for now.
-
-Fri Oct 11 14:31:10 1996 Torbjorn Granlund <tege@nada.kth.se>
-
- * dwarfout.c: (output_bound_representation): Fix typo in prototype.
-
-Fri Oct 11 12:19:21 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * mips.h (MIPS_AS_ASM_SPEC): Define.
- (SUBARGET_MIPS_AS_ASM_SPEC): Define.
- (GAS_ASM_SPEC): Define.
- (TARGET_ASM_SPEC): Define.
- (SUBTARGET_ASM_OPTIMIZING_SPEC): Define.
- (SUBTARGET_ASM_DEBUGGING_SPEC): Define.
- (SUBTARGET_ASM_SPEC): Define.
- (ASM_SPEC): Rewrite to use above specs.
- (SUBTARGET_CPP_SIZE_SPEC): Define.
- (SUBTARGET_CPP_SPEC): Define.
- (CPP_SPEC): Use above specs. Don't define _LANGUAGE_C if C++ or
- Objective C.
- (EXTRA_SPECS): Define.
- (SUBTARGET_EXTRA_SPECS): Define.
- * mips/dec-bsd.h (ASM_SPEC): Don't define.
- (CPP_SPEC): Don't define.
- * mips/dec-osf1.h (CPP_SPEC): Don't define.
- (SUBTARGET_CPP_SIZE_SPEC): Define.
- * mips/elf64.h (CPP_SPEC): Don't define.
- (SUBTARGET_CPP_SPEC): Define.
- * mips/gnu.h (TARGET_DEFAULT): Define.
- (ASM_SPEC): Don't define.
- * mips/iris3.h (CPP_SPEC): Don't define.
- (SUBTARGET_CPP_SPEC): Define.
- * mips/iris4loser.h (ASM_SPEC): Don't define.
- (SUBTARGET_MIPS_AS_ASM_SPEC): Define.
- (SUBTARGET_ASM_OPTIMIZING_SPEC): Define.
- * mips/iris5.h (CPP_SPEC): Don't define.
- (SUBTARGET_CPP_SPEC): Define.
- * mips/iris6.h (CPP_SPEC): Don't define.
- (SUBTARGET_CPP_SPEC): Define.
- (ASM_SPEC): Don't define.
- (SUBTARGET_ASM_SPEC): Define.
- (SUBARGET_MIPS_AS_ASM_SPEC): Define.
- (SUBTARGET_ASM_DEBUGGING_SPEC): Define.
- * mips/netbsd.h (ASM_SPEC): Don't define.
- (CPP_SPEC): Don't define.
- (SUBTARGET_CPP_SPEC): Define.
- * mips/osfrose.h (ASM_SPEC, ASM_FINAL_SPEC): Don't define.
- (CPP_SPEC): Don't define.
- (SUBTARGET_CPP_SIZE_SPEC): Define.
- (SUBTARGET_CPP_SPEC): Define.
- * mips/sni-svr4.h (CPP_SPEC): Don't define.
- (SUBTARGET_CPP_SIZE_SPEC): Define.
-
-Thu Oct 10 17:58:49 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * mips/iris6.h (ASM_OUTPUT_SECTION_NAME): Define.
- (DWARF_OFFSET_SIZE): Define.
-
- * dwarf2out.c (most everywhere): Support SGI/MIPS -mabi=64 by fixing
- code which assumed that pointers are 4 bytes long, parameterizing
- many sizes on DWARF_OFFSET_SIZE and using DELTA instead of DELTA4,
- DATA instead of DATA4, FORM_ref instead of FORM_ref4. (DWARF_ROUND,
- UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_WORD_ASM_OP,
- ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_DATA, DW_FORM_data,
- DW_FORM_ref): New macros.
- (gen_variable_die): Only equate_decl_number_to_die if
- decl is TREE_STATIC.
- (get_AT): Fix thinko.
-
- * dwarf2out.c (constant_size): New fn.
- (size_of_die): Use it instead of assuming 4 bytes;
- usually we only need one.
- (output_value_format, output_die): Likewise.
- (build_abbrev_table): We need a new abbrev if the size
- of the constant differs.
- (dwarf_attr_name): Add new SGI/MIPS extensions.
- (gen_subprogram_die): Support DW_AT_MIPS_has_inlines.
- (gen_inlined_subroutine_die): Likewise.
-
-Thu Oct 10 16:38:58 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * mips.md (mov[sd]fcc): Use register_operand, not reg_or_0_operand,
- for source predicates.
-
-Thu Oct 10 15:19:38 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.md (floatsidf2_load): For large stack frames, do not
- generate an illegal memory reference.
- (movdi, movdf define_splits): Fix code so that it works for either
- big or little endian hosts generating code for either big or
- little endian targets.
-
- (from Jim Wilson)
- * rs6000.c (rs6000_save_toc_p): Delete global variable.
- (rs6000_{save,restore}_machine_status): Do not save/restore it.
- (rs6000_init_expanders): Do not initialize it.
- (rs6000_stack_info): Always create TOC save space.
-
- * rs6000.md (NT indirect call insns): Do not set
- rs6000_save_toc_p.
-
- * rs6000.h (rs6000_save_toc_p): Delete declaration.
-
-Wed Oct 9 18:06:54 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * mips.h (EMPTY_FIELD_BOUNDARY): Define as 32.
- * mips/abi64.h (EMPTY_FIELD_BOUNDARY): Don't define.
-
- * mips/abi64.h (TARGET_DEFAULT, TARGET_LONG64, CPP_PREDEFINES,
- CPP_SPEC): Move from here...
- * mips/iris6.h: ...to here.
-
-Wed Oct 9 16:43:51 1996 Jim Wilson <wilson@cygnus.com>
-
- * configure (i[3456]86-dg-dgux): Use install-headers-cpio.
-
- * expr.c (store_constructor): Delete unnecessary increment.
-
-Wed Oct 9 16:29:22 1996 Gavin Koch <gavin@cetus.cygnus.com>
-
- * cccp.c (do_include): Treat ENOTDIR like ENOENT when an open fails.
-
-Wed Oct 9 16:26:57 1996 Paul Eggert <eggert@twinsun.com>
-
- * gcc.c (default_compilers): -ansi no longer implies -$ to cpp.
- * c-lex.c (yylex): Treat `$' just like `_', except issue a
- diagnostic if !dollars_in_ident or if pedantic.
- * c-decl.c (dollars_in_ident): DOLLARS_IN_IDENTIFIERS is now Boolean.
- (c_decode_option): -fdollars-in-identifiers is now independent
- of -ansi, of -traditional, and of DOLLARS_IN_IDENTIFIERS.
- * cexp.y (initialize_random_junk): Ignore DOLLARS_IN_IDENTIFIERS.
- * cccp.c (dollars_in_ident): Remove; replaced by is_idchar['$'].
- (main): Initialize is_idchar and is_idstart directly when given -$.
- Ignore DOLLARS_IN_IDENTIFIERS.
- (rescan): Diagnose $ in identifier if pedantic.
- (initialize_char_syntax): Assume $ is allowed in identifier;
- `main' will change this if -$ is given.
- * cpplib.h (DOLLARS_IN_IDENTIFIERS): Remove.
- * cpplib.c (cpp_options_init): Ignore DOLLARS_IN_IDENTIFIERS.
- (parse_name): Diagnose $ in identifier if pedantic.
- (cpp_handle_options): -traditional no longer messes with
- dollars_in_ident.
- * i386/dgux.h, m68k/apollo68.h (DOLLARS_IN_IDENTIFIERS): Remove.
- * m88k.h, mips.h, nextstep.h, pa.h (DOLLARS_IN_IDENTIFIERS): Remove.
- * vax/ultrix.h, vax/vms.h (DOLLARS_IN_IDENTIFIERS): Remove.
- * convex.h (OVERRIDE_OPTIONS): Don't need to set
- dollars_in_ident any more, since -ansi doesn't change it.
-
-Wed Oct 9 07:35:47 1996 Doug Evans <dje@cygnus.com>
-
- * Allow prefix attributes in more places.
- * c-parse.in: Update number of shift/reduce conflicts.
- ({typed_declspecs,reserved_declspecs,declmods}_no_prefix_attr): New.
- (current_declspecs): Initialize to NULL_TREE.
- (fndef): Pass current_declspecs, not $1, to start_function.
- (old_style_parm_decls): Renamed from xdecls.
- (datadecl, declmods): Add references to new rules.
- (setspecs): Call split_specs_attrs.
- (absdcl1): Remove case with setattrs.
- * c-common.c (split_specs_attrs): New function.
-
-Wed Oct 9 05:48:43 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * sdbout.c: Include defaults.h.
- * Makefile.in (sdbout.o): Make dependency list match included files.
-
- * fold-const.c (range_test): Function deleted.
- (range_binop, make_range, build_range_check): New functions.
- (merge_ranges, fold_range_test): Likewise.
- (fold_truthop): No longer call range_test.
- (fold, case TRUTH_{AND,OR}{,IF}_EXPR): Call fold_range_test.
-
-Tue Oct 8 22:03:32 1996 Torbjorn Granlund <tege@nada.kth.se>
-
- * configure: Set cpu_type for pyramid.
-
-Tue Oct 8 21:54:04 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * final.c (final_start_function): Call dwarfout_begin_prologue.
-
- * dwarf2out.c (pubname_*, arange_*): New data for .debug_pubnames
- and .debug_aranges sections.
- (add_pubname): New fn.
- (size_of_pubnames): Reimplement.
- (output_pubnames): Likewise.
- (add_arange): New fn.
- (size_of_aranges): Include function sections.
- (output_aranges): Likewise.
- (gen_variable_die): Call add_pubname.
- (add_name_and_src_coords_attributes): Use DECL_ASSEMBLER_NAME for now.
- (decl_start_label): Renamed from function_start_label.
- (gen_subprogram_die): If weak or one_only, use a local label for
- AT_low_pc. Call add_pubname and add_arange.
- (dwarfout_begin_prologue): New fn. Start up FDE here.
- (dwarfout_begin_function): Not here.
- (get_AT): Split out. Look in specification and abstract_origin DIEs.
- (get_AT_low_pc, get_AT_string, get_AT_flag, get_AT_unsigned,
- get_AT_hi_pc): Use it.
- (dwarfout_finish): Variables can produce pubnames, too.
-
-Tue Oct 8 19:35:40 1996 Torbjorn Granlund <tege@nada.kth.se>
-
- * m88k/dgux.h (CPP_SPEC): Avoid newline in the string.
-
- * final.c (final): Update insn_current_address before calling
- final_scan_insn.
-
-Tue Oct 8 17:52:02 1996 Jim Wilson <wilson@cygnus.com>
-
- * unroll.c (unroll_loops): Set local_regno only if set_dominates_use
- returns true.
- (set_dominates_use): New function.
-
-Tue Oct 8 16:01:37 1996 Doug Evans <dje@cygnus.com>
-
- * c-typeck.c (decl_constant_value): Delete test for ! TREE_PUBLIC.
-
-Tue Oct 8 10:36:44 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa.c (hppa_legitimize_address): Remove test code accidentally left
- in during last change.
-
-Mon Oct 7 19:55:02 1996 Jim Wilson <wilson@cygnus.com>
-
- * sched.c (schedule_block): Before scheduling, add code to make all
- call used regs that are not fixed or global live when we see a
- CALL_INSN. During scheduling, change existing code to use same test.
-
- * varasm.c (bss_section): Delete unused parameters.
-
-Mon Oct 7 16:24:21 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2.h: Add new SGI/MIPS attributes.
-
- * dwarf2out.c (*_separate_line_info_*): Parallel line number
- information for functions defined in sections other than .text.
- (size_of_line_info): Support it.
- (output_line_info): Likewise.
- (dwarfout_line): Likewise.
- (gen_compile_unit_die): Don't add high/low_pc or stmt_list
- attributes here.
- (dwarfout_finish): Add them here if appropriate.
- (remove_AT): free removed attribute properly.
- (gen_type_die): Don't assume a nested type is complete.
- (dwarfout_finish): Don't emit line info if it would be empty.
-
- * dwarfout.c (output_block): Don't emit a DIE for a body block.
- (output_decls_for_scope): Don't increment next_block_number for the
- outer block.
- (output_decl): Start from the outer block, not
- the first inner block since there can be more than one in C++.
- (type_tag): Handle C++ TYPE_NAME.
- (output_type): Fix handling of TYPE_METHODS.
- (output_decl): Don't output a DIE for artificial typedefs.
-
-Mon Oct 7 15:47:29 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.md (movdi define_splits): Fix previous change to work
- on both little and big endian hosts.
-
-Sun Oct 6 16:52:34 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa.h (combinable_fsub): Don't return without a value.
-
-Sun Oct 6 14:05:39 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.md (mov{df,di} define_splits): Use split_double to
- properly split CONST_DOUBLEs.
- (movdi): Likewise.
-
-Sat Oct 5 08:43:14 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * i386/cygwin32.h (LIB_SPEC): Add support for -mwindows.
- Always pass -lkernel32.
- (LIBGCC_SPEC): Don't delete.
- (STARTFILE_SPEC): Remove always-true conditionalization.
- (LONG_DOUBLE_TYPE_SIZE): Use default.
-
-Fri Oct 4 17:22:53 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * toplev.c (rest_of_type_compilation): Don't emit DWARF for member
- types of a type we haven't emitted yet.
- (compile_file): Still emit DWARF for pending tagged types.
-
- * final.c (final_scan_insn): Do emit DWARF labels for level 1 blocks.
-
- * dwarf2out.c (gen_subprogram_die): Start from the outer block, not
- the first inner block since there can be more than one in C++.
- (gen_lexical_block_die): Keep track of the block depth.
- (gen_block_die): Don't emit a DIE for a body block.
- (gen_inlined_subroutine_die): Don't emit anything for an
- abstract instance.
- (decls_for_scope): Don't increment next_block_number for the
- outer block.
-
-Fri Oct 4 15:27:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.h (PRESERVE_DEATH_INFO_REGNO_P): Define.
-
- * sh.c (sfunc_uses_reg): New function.
- (noncall_uses_reg, machine_dependent_reorg, final_prescan_insn):
- Handle special functions like function calls for purposes of relaxing.
- (noncall_uses_reg): Added some missing cases of registers
- being used in non-call instructions.
-
-Fri Oct 4 10:51:40 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c: Tear out backchaining brain damage.
- (remove_AT, remove_children): New functions.
- (modified_type_die): Call gen_type_die instead of backchaining.
- (gen_subprogram_die): Don't generate a new specification DIE for
- member functions defined in the class; use the declaration DIE instead.
- (gen_struct_or_union_type_die): Support DW_AT_declaration.
- (gen_type_die): Don't set TREE_ASM_WRITTEN on incomplete structs.
- (gen_decl_die): Revert previous change; it's much simpler to emit
- the class from rest_of_type_compilation.
-
-Fri Oct 4 09:54:21 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * Make sure we have enough registers for the insns we recognize.
- * i386.h (flag_omit_frame_pointer, outer_function_chain): Declare.
- (current_function_calls_alloca): Likewise
- (rtx_equal_function_value_matters): Likewise
- (N_REGS_USED, N_ALLOCATABLE_REGISTERS): Define.
-
- * i386.md (adddi3_1, subdi3_1): Insns renamed from adddi3 and subdi3;
- added missing earlyclobbers.
- (adddi3_1): Removed duplicates from commutativity.
- (adddi3, subdi3): New define_expands.
- (movsf, movsf_mem, movsf_normal, movdf, movdf_mem , movdf_mem+1): Take
- number of used vs. available registers into account.
- (movxf, movxf_mem, movxf_mem+1, addsidi3_1, addsidi3_2): Likewise.
- (adddi3_1, subsidi3, subdi3_1): Likewise.
- (addsidi3_1, addsidi3_2, subsidi3): Need no generate function.
-
- * i386.c (asm_output_function_prefix): Don't use
- ASM_DECLARE_FUNCTION_NAME if it is not defined.
-
-Fri Oct 4 07:01:55 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * stor-layout.c (layout_decl): Don't turn off DECL_BIT_FIELD
- if DECL's alignment is less than its type.
-
-Thu Oct 3 19:42:30 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * toplev.c (rest_of_type_compilation): Also do this for DWARF.
- (compile_file): Don't try to write out DWARF for vars with no RTL.
-
-Thu Oct 3 18:31:28 1996 Doug Evans <dje@cygnus.com>
-
- * ginclude/{stdarg.h,varargs.h}: Use #include "", not #include <>.
-
-Wed Oct 2 17:29:53 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * fixincludes: Add a hack to the big sed script to work around a
- bug in the sed implementation on HP/UX 10.20.
-
-Wed Oct 2 16:53:56 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (modified_type_die): Don't generate redundant DIEs.
- (gen_{array,pointer,reference,ptr_to_mbr}_type_die): Likewise.
- (gen_{subroutine,string,set}_type_die): Likewise.
-
- * dwarf2out.c: Undo text_end_label, add_src_coords changes.
- (addr_const_to_string): Fix typos.
- (decl_class_context): New fn.
- (get_AT_unsigned): New fn.
- (gen_subprogram_die): Only emit src coords info for a specification
- if they changed.
- (gen_variable_die): Support DW_AT_declaration and DW_AT_specification.
- (gen_decl_die): Avoid generating redundant DIEs for member functions
- and variables.
-
-Wed Oct 2 11:22:50 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa.h (EXTRA_CONSTRAINT): Loosen conditions for match of
- 'Q' and 'T' while reload is running.
- * pa.c (hppa_legitimize_address): Rework to generate more
- indexed and scaled indexed addressing.
- * pa.md (scaled indexed store): Add define_splits to undo
- pessimizations created by hppa_legitimize_address for integer
- stores.
-
- * pa.c (remove_useless_addtr_insns): New function.
- (pa_reorg): Delete code to remove useless add,tr insns.
- Instead call remove_useless_addtr_insns.
- (output_function_prologue): Call remove_useless_addtr_insns
- to catch any add,tr insns created by reorg.
-
- * pa.c (secondary_reload_class): Remove duplicate/useless code.
-
- * pa.h (PARSE_LDD_OUTPUT): Handle output from hpux10.20 "chatr".
-
-Tue Oct 1 17:23:32 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dwarf2out.c (text_end_label): New static.
- (size_of_line_info): The final entry is smaller.
- (output_aranges): Use TEXT_SECTION instead of TEXT_BEGIN_LABEL and
- text_end_label instead of TEXT_END_LABEL.
- (gen_compile_unit_die): Likewise.
- (output_line_info): Likewise. Use a fixed advance for the last entry.
- (dwarfout_init): Don't output starting labels.
- (dwarfout_finish): Set up text_end_label. Don't output ending labels.
-
- (add_pure_or_virtual_attribute): Don't say pure virtual for now.
- (type_tag): Handle C++ TYPE_NAME.
- (gen_formal_parameter_die): Support DW_AT_artificial.
- (gen_formal_types_die): Do emit the type for 'this'.
- (gen_member_die): Fix handling of TYPE_METHODS.
- (gen_decl_die): Do output a DIE for member function declarations.
- Don't output a DIE for artificial typedefs.
-
- (add_member_attribute): Remove, not in DWARF-II.
- (gen_array_type_die): Remove ref to add_member_attribute.
- (gen_set_type_die, gen_entry_point_die, gen_enumeration_type_die,
- gen_subprogram_die, gen_variable_die, gen_field_die,
- gen_pointer_type_die, gen_reference_type_die, gen_ptr_to_mbr_type_die,
- gen_string_type_die, gen_struct_or_union_type_die,
- gen_subroutine_type_die, gen_typedef_die): Likewise.
-
- (get_AT_flag): New fn.
- (add_src_coords_attributes): Split out...
- (add_name_and_src_coords_attributes): From here.
- (gen_subprogram_die): Support DW_AT_declaration and
- DW_AT_specification.
-
- (gen_compile_unit_die): Don't emit full pathname for source file;
- comment claimed that SGI required it, but they don't emit it either.
- Append -g to producer rather than replacing it.
-
-Tue Oct 1 14:19:23 1996 Jim Wilson <wilson@cygnus.com>
-
- * gcc.c (used_arg): When call xmalloc for mswitches, pass 1 if
- n_switches is zero.
-
-Mon Sep 30 17:46:26 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.c (gen_shl_and, gen_shl_sext): Use gen_lowpart to
- generate rtx in the appropriate mode for zero/sign-extension.
- Don't generate a zero bit shift.
- (gen_shl_sext) Directly use gen_ashift instead of gen_ashrsi3.
-
-Mon Sep 30 17:17:56 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * fixinc.svr4: In math.h, redefine exception to __math_exception
- for C++, to avoid conflict with <exception>.
- * fixincludes: Likewise.
- Fix check for class in math.h to not match fp_class.
-
-Mon Sep 30 17:15:19 1996 Jim Wilson <wilson@cygnus.com>
-
- * iris6.h (ASM_SPEC): Add -w.
- (STARTFILE_SPEC): Add mips3 to n32 pathnames.
- Add -L/usr/lib32/mips for n32 cases.
- (ENDFILE_SPEC): Add mips3 to n32 pathnames.
-
-Mon Sep 30 13:20:31 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * genopinit.c (gen_insn): Look through the modes in reverse order,
- to avoid stopping early on CC when EXTRA_CC_MODES is used.
-
- * fixincludes: Add extern "C" to <sys/mman.h> on HP/UX.
-
-Sun Sep 29 12:39:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * c-typeck.c (pointer_diff): Do not do default conversions when
- doing the minus expression, in case restype is a short type.
-
-Sun Sep 29 11:22:10 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * tree.c (build_complex): Add new argument, TYPE.
- * tree.h (build_complex): Likewise.
- * c-lex.c (yylex): Add new arg, TYPE, to call to build_complex.
- * fold-const.c (const_binop): Likewise.
- (fold, case CONJ_EXPR, COMPLEX_EXPR): Likewise.
- * varasm.c (copy_constant, case COMPLEX_CST): Likewise.
- * expr.c (expand_expr, case COMPONENT_REF): Don't try to directly
- load a complex.
- * recog.c (register_operand): Don't reject subreg of complex mode.
- * emit-rtl.c (mark_user_reg): New function.
- * function.c (assign_parms): Use it.
- * stmt.c (expand_decl): Likewise, and simplify code.
-
- * tree.c (contains_placeholder): Return 1 for PLACEHOLDER_EXPR.
-
- * expr.c (store_expr): memset/bzero gets ptr_mode, not Pmode.
-
- * stmt.c (expand_asm_operands): Fix errors in previous patches.
-
- * x-linux: Simplify, but ensure headers aren't changed.
-
- * getpwd.c: No longer include direct.h for _WIN32.
-
- * configure (i[3456]86-*-isc*): Remove bogus echo.
- (m68k-apple-aux*): a-ux.h renamed from aux.h.
- (CC): Escape "$" char in "no-symlink" case for bash/cygwin32 bug.
-
- * Makefile.in (installdirs): Renamed from install-dir.
- Create $(prefix) and $(exec_prefix) if doesn't exist.
- (install-float): Reflect new name for installdirs.
- (install-{common,info,man,libgcc,multilib,libobjc}): Likewise.
- (install-{include-dir,assert-h,collect2}): Likewise.
-
- * reload1.c (gen_reload): Handle SUBREG in PLUS specially too.
- Change calls to emit_move_insn to recursive calls.
-
- * stmt.c (fixup_gotos): When running undefined labels, if no cleanup
- actions for this block, don't clear BEFORE_JUMP.
-
-Fri Sep 27 13:48:21 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * c-decl.c (init_decl_processing): Create short int types before
- creating size_t in case a machine description needs to use
- unsigned short for size_t.
-
-Fri Sep 27 12:28:54 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * gcc.c (do_spec_1): Allow -A in %[Spec].
-
- * i386.h (CPP_CPU_SPEC): New. Added for defining the submodel.
-
- * i386.c (asm_output_function_prefix, function_prologue,
- ix86_expand_prologue): Make the routine that sets the GOT (when pic
- is enabled) a function, to assist debugging.
-
- * i386.md (gen_prologue_get_pc): Call the function created above.
- (divdf3): Added.
-
- * i386/dgux.h (CPP_PREDEFINES, CPP_SPEC): Reference CPP_CPU_SPEC.
- Use svr4 assembler directive .backalign instead of .align.
- (align to x bytes if it takes no more than y bytes to do so.)
-
- * i386/{aix386ng.h,dgux.h} (CPP_SPEC): Use %[cpp_cpu].
- * i386/{freebsd-elf,gas,isc,linux-aout}.h: Likewise.
- * i386/{linux-oldld,linux,osfelf,osfrose,sco,sco4}.h: Likewise.
- * i386/{sco4dbx,sco5,sol2,sysv3}.h: Likewise.
-
-Thu Sep 26 17:58:34 1996 Torbjorn Granlund <tege@matematik.su.se>
-
- * m68k.md (mulsidi3 matcher): Change predicate const_int_operand
- to const_sint32_operand. Get rid of bogus range condition.
-
-Thu Sep 26 17:12:00 1996 Jim Wilson <wilson@cygnus.com>
-
- * Makefile.in (stmp-int-hdrs): Don't cd to srcdir before copying
- header files to objdir.
-
-Wed Sep 25 21:22:57 1996 Jeffrey A Law (law@cygnus.com)
-
- * h8300.h (FIRST_PSEUDO_REGISTER): Bump up by one.
- (ARG_POINTER_REGNUM): Likewise.
- (FIXED_REGISTERS): Add entry for MAC register.
- (CALL_USED_REGISTERS< REG_ALLOC_ORDER): Likewise.
- (HARD_REGNO_NREGS): Handle MAC register.
- (HARD_REGNO_MODE_OK< REGNO_OK_FOR_BASE_P): LIkewise.
- (REGISTER_NAMES): Likewise.
- (enum reg_class): New MAC_REGS register class.
- (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Corresponding changes.
- (REG_CLASS_FROM_LETTER): LIkewise.
- (REGISTER_MOVE_COST): Make copies to/from the MAC register
- expenseive.
- (CONDITIONAL_REGISTER_USAGE): Define.
- * h8300.md (movsi_h8300hs): Renamed from movsi_h8300h.
- Handle moves to/from the MAC register.
- (mac): Two new patterns to use the mac instruction.
-
- * h8300.c (notice_update_cc): Fix CC_SET case.
- (restore_compare_p): Remove unused function.
- * h8300.md: Handle "set" vs "set_zn_c0" correctly.
- (bCC patterns): No longer need to call restore_compare_p.
-
- * h8300.c (get_shift_alg): Fix HImode ASHIFTRT by 13 or 14 bits.
-
-Wed Sep 25 18:52:19 1996 Joern Rennecke <amylaar@cygnus.co.uk>
-
- * sh.md (insv): New pattern.
-
-Wed Sep 25 16:47:26 1996 Doug Evans <dje@seba.cygnus.com>
-
- * sparc/t-sunos41 (MULTILIB_{OPTIONS,DIRNAMES,MATCHES}): Create
- multilib versions of -fpic and -fPIC.
- (TARGET_LIBGCC2_CFLAGS): Comment out.
-
- * sparc.c (print_operand): Handle new codes H/L.
- * sparc.md (lo_sum_di_sp32): Add little endian support.
- (adddi3_sp32,subdi3_sp32,mulsidi3_sp32,const_mulsidi3): Likewise.
- (umulsidi3_sp32,const_umulsidi3,smacdi,umacdi,anddi3_sp32): Likewise.
- (iordi3_sp32,xordi3_sp32,negdi2_sp32): Likewise.
-
-Wed Sep 25 15:32:35 1996 Jim Wilson <wilson@cygnus.com>
-
- * expmed.c (store_bit_field): Don't make flag_force_mem disable insv
- for memory operands.
-
- * function.c (instantiate_decl): Always store addr back into x.
-
-Tue Sep 24 19:37:00 1996 Jim Wilson <wilson@cygnus.com>
-
- * reload.c (push_secondary_reload): Do strip paradoxical SUBREG
- even if reload_class is CLASS_CANNOT_CHANGE_SIZE. Change reload_mode
- to mode in SECONDARY_MEMORY_NEEDED and get_secondary_mem calls.
-
- * reload1.c (emit_reload_insns): For output part of RELOAD_OTHER,
- emit after RELOAD_FOR_OUTPUT, in reverse order of reload number,
- but not separately.
-
-Tue Sep 24 18:13:07 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * expr.c (emit_group_load): Allow target to be smaller than source.
-
-Tue Sep 24 17:40:39 1996 Doug Evans <dje@cygnus.com>
-
- * m68k/a-ux.h: Renamed from aux.h because of MSDOS.
-
-Tue Sep 24 08:33:53 1996 David S. Miller (davem@caip.rutgers.edu)
-
- * tree.c (copy_node): Fix error in last change.
-
-Tue Sep 24 08:29:03 1996 James G. Smith <jsmith@cygnus.co.uk>
-
- * gcc.c (used_arg): Fix multilib_matches parsing to not corrupt
- entry parameter.
-
-Tue Sep 24 08:22:18 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * loop.c (get_condition): Use rtx_equal_p to compare rtx.
-
-Tue Sep 24 08:14:01 1996 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
-
- * integrate.c (expand_inline_function): Avoid creating paradoxical
- subreg wider than BITS_PER_WORD as inlined function result.
-
-Tue Sep 24 08:00:15 1996 Paul Eggert <eggert@twinsun.com>
-
- * cccp.c (struct directive, directive_table, handle_directive):
- pass_thru now 1 for #define and 2 for #pragma.
- (handle_directive): When deciding whether to suppress comment at end
- of directive, ignore tabs and spaces after comment. Remove redundant
- limit test. With -dD -C, copy comment when isolating definition.
- (skip_to_end_of_comment): With -C, don't copy newline at end
- of C++ comment.
-
- * fixinc.ptx, fixinc.svr4, fixincludes: Insert newlines just before
- end of 'sed' command strings if last 'sed' command is 'a' or 'i'.
-
-Tue Sep 24 07:28:58 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * toplev.c (PREFERRED_DEBUGGING_TYPE): If no debugging formats are
- supported, set to NO_DEBUG.
- (main): Don't do setting of PREFERRED_DEBUGGING_TYPE here.
-
-Mon Sep 23 22:45:15 1996 Sean McNeil <sean@mcneil.com>
-
- * rs6000/vxppc.h, sparc/vxsim.h: New files.
- * configure (powerpc-*-vxworks*, sparc-*-vxsim*): New targets.
- * objc/objc.h (BOOL): Define BOOL as int for VxWorks.
-
-Mon Sep 23 21:23:27 1996 Klaus K"ampf (kkaempf@progis.de)
-
- * explow.c (promote_mode, case REFERENCE_TYPE): New case.
-
-Mon Sep 23 21:15:43 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * c-decl.c (finish_struct): Check PCC_BITFIELD_TYPE_MATTERS value.
-
- * dbxout.c (dbxout_symbol): Fix forgotten case in last change:
- check DECL_ARTIFICIAL also when using the short cut way.
-
-Mon Sep 23 15:55:24 1996 David S. Miller (davem@caip.rutgers.edu)
-
- * tree.c (copy_node): Abort if don't know size of node.
-
- * tree.c (build1): Clean up initialization of OBSTACK.
-
-Mon Sep 23 15:35:33 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * Makefile.in (stmp-multilib): Depend on $(LANG_LIB2FUNCS).
-
- * dbxout.c (dbxout_function): Don't check DECL_SECTION_NAME before
- calling dbxout_function_end.
-
-Mon Sep 23 14:41:12 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * combine.c (can_combine_p): Even if SMALL_REGISTER_CLASSES,
- know lifetime not extended if all_adjacent set.
-
- * stmt.c (expand_asm_operands): Handle '+' constraint.
- * cse.c (fold_rtx): Fold inside ASM_OPERANDS.
-
- * expr.c (expand_increment): If postincrement for MEM can't use add
- directly, load address in reg and enqueue increment and store of reg.
-
- * loop.c (check_dbra_loop): Don't assume label must be second part of
- if_then_else in condjump.
-
- * jump.c (jump_optimize): In no-nop move deletion, don't
- test PRESERVE_DEATH_INFO_REGNO_P; instead test if optimization is
- performed.
- Check for REG_UNUSED note on to-be deleted insn before searching for
- preceding instruction to delete note from.
- If PRESERVE_DEATH_INFO_REGNO_P is true for SREG, replace INSN with USE.
-
- * reload1.c (reload): Initialize the previous_offset fields
- in reg_eliminate before calling setup_save_areas.
-
- * reload1.c (emit_reload_insns): Declare and set this_reload_insn.
-
- * expr.c (var_rtx): New function.
- (expand_expr, case COND_EXPR): Also use target if same as singleton.
-
-Mon Sep 23 14:22:34 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * recog.c (constrain_operands): Don't test clobbered constraints.
-
- * reload1.c (emit_reload_insns): For output part of RELOAD_OTHER,
- put in front of anything previous for that output, but not separately.
-
-Sun Sep 22 21:06:46 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * c-common.c (decl_attribtes, case A_SECTION): Allow for static
- local variable.
-
-Sun Sep 22 11:30:27 1996 Christian Iseli (christian.iseli@di.epfl.ch)
-
- * expr.c (convert_move): Replace explicit checks for FP extend ops
- with use of can_extend_p.
- Add missing tests for FP trunc operations.
-
-Sun Sep 22 11:20:02 1996 Pat Rankin <rankin@eql.caltech.edu>
-
- * dwarfout.c (DWARF_VERSION): Define as 1 if not already defined.
- * dwarf2out.c (DWARF_VERSION): Likewise.
-
-Sun Sep 22 11:12:20 1996 Joern Rennecke <amylaar@cygnus.co.uk>
-
- * c-decl.c (pushdecl): Check new declaration actually conflicts before
- warning about implicit external vs. static declarations.
-
- * loop.c (combine_givs): Improve combining DEST_REG giv with
- its only use.
-
-Sun Sep 22 10:50:03 1996 Scott Christley <scottc@net-community.com>
-
- * Create consistent mechanism for memory allocation and release
- so that garbage collection routines can be easily subsititued
- for the ANSI standard malloc, realloc, free, etc.
- * objc/archive.c: Replace use of __objc_xmalloc and free
- with objc_malloc and objc_free.
- * objc/hash.c: Replace use of __objc_xcalloc and free
- with objc_calloc and objc_free.
- * objc/init.c: Replace use of free with objc_free.
- * objc/misc.c (objc_malloc): Renamed from __objc_xmalloc.
- (objc_realloc): Renamed from __objc_realloc.
- (objc_atomic_malloc): New function.
- (objc_valloc): New function.
- (objc_calloc): Renamed from __objc_calloc.
- (objc_free): New function.
- * objc/objc-api.h (_objc_malloc): New function pointer.
- (_objc_atomic_malloc, _objc_valloc): Likewise.
- (_objc_realloc, _objc_calloc, _objc_free): Likewise
- * objc/objc-list.h: Replace use of __obj_xmalloc and free
- with objc_malloc and objc_free.
- * objc/objects.c: Likewise.
- * objc/sarray.c: Replace use of __objc_xmalloc and free
- with objc_malloc and objc_free.
- * objc/sarray.h (__objc_xmalloc, __objc_xrealloc): Delete.
- * objc/selector.c: Replace use of __objc_xcalloc, __objc_xrealloc,
- and __objc_xmalloc with objc_calloc, objc_realloc, and objc_malloc.
- * objc/thr-decosf1.c: Replace use of __objc_xmalloc and free
- with objc_malloc and objc_free.
- * objc/thr-irix.c, objc/thr-mach.c, objc/thr-os2.c: Likewise.
- * objc/thr-posix.c, objc/thr-pthreads, objc/thr-single: Likewise.
- * objc/thr-solaris.c, objc/thr-win32.c, objc/thr.c: Likewise.
-
-Sun Sep 22 05:26:01 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * configure: Set up LANG_LIB2FUNCS and LANG_EXTRA_HEADERS.
- * Makefile.in (libgcc2.a): Include LANG_LIB2FUNCS.
- (USER_H): Add LANG_EXTRA_HEADERS.
- (LANG_LIB2FUNCS): New macro.
- (LANG_EXTRA_HEADERS): New macro.
- (stmp-int-hdrs): Don't hardwire ginclude.
- (stamp-objlist): Don't depend on Makefile.
-
-Sat Sep 21 18:00:10 1996 Stephen L Moshier (moshier@world.std.com)
-
- * alpha.md (alpha_swapped_comparison_operator pattern): Fix asm
- operand typo in last change.
-
-Sat Sep 21 07:11:51 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * defaults.h (ASM_OUTPUT_LABELREF): Provide default definition
- if not already defined.
- * 1750a.h (USER_LABEL_PREFIX): Define instead of ASM_OUTPUT_LABELREF.
- * a29k.h, alpha.h, convex.h, dsp16xx.h, elxsi.h, fx80.h: Likewise.
- * gmicro.h, h8300.h, i386/sun386.h, i860.h, i960.h, ns32k.h: Likewise.
- * pdp11.h, pyr.h, romp.h, sh.h, sparc.h, spur.h, tahoe.h: Likewise.
- * vax.h, we32k.h: Likewise.
- * i386/att.h (USER_LABEL_PREFIX): Redefine, not ASM_OUTPUT_LABELREF.
- * i386/bsd.h, i386/lynx.h, i386/sco5.h, i860/fx2800.h: Likewise.
- * m68k/3b1.h, m68k/mot3300.h, m68k/tower-as.h, m68k/tower.h: Likewise.
- * ptx4.h, sparc/pbd.h, svr3.h, svr4.h: Likewise.
- * i386/osfrose.h, m88k.h (USER_LABEL_PREFIX): Redefine.
- * nextstep.h (USER_LABEL_PREFIX): Redefine.
- (ASM_OUTPUT_LABELREF) Use USER_LABEL_PREFIX.
- * arm/aout.h, mips.h (ASM_OUTPUT_LABELREF): Delete.
- * rs6000/lynx.h (USER_LABEL_PREFIX): Undefine.
- * rs6000.h, rs6000/win-nt.h (USER_LABEL_PREFIX): Define.
-
-Thu Sep 19 00:05:53 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * configure: Move i[3456]86-*-gnu* case after linux and don't
- treat linux-gnu like other gnu systems.
-
-Wed Sep 18 20:51:09 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * cplus-dem.c (demangle_template): Fix handling of address args.
- (gnu_special): Handle type_info stuff.
-
-Wed Sep 18 17:57:55 1996 Patrik Lantto (patrik@opq.se)
-
- * jump.c (jump_optimize): Insert conditional move after jump
- insn instead of before.
-
-Wed Sep 18 17:33:36 1996 Richard Henderson <rth@tamu.edu>
-
- * alpha.h (PREDICATE_CODES): Add alpha_swapped_comparison_operator.
- * alpha.c (alpha_swapped_comparison_operator): New function.
- (print_operand): Support unsigned codes for %D, %c, and %d.
- * alpha.md: Add pattern for b%c with swapped comparisons with 0.
- Delete three unnamed cmp patterns that are strict subsets of it.
-
- * alpha.c (alpha_emit_set_long_const): Save one instruction
- when -O2 and high word == low word.
-
-Tue Sep 17 22:46:15 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * i386/unix.h (ASM_OUTPUT_MI_THUNK): Handle functions
- returning an aggregate.
-
- * varasm.c (supports_one_only): New function.
- (make_decl_one_only): Likewise.
- * svr4.h (MAKE_DECL_ONE_ONLY): Define.
- * tree.h (DECL_ONE_ONLY): New macro.
-
- * varasm.c (assemble_variable): Fix setting of
- first_global_object_name.
- (assemble_start_function): Likewise.
-
-Tue Sep 17 19:42:39 1996 Doug Evans <dje@wabamun.cygnus.com>
-
- * i386/t-cygwin32 (winnt.o): Compile properly.
-
-Tue Sep 17 15:47:20 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * Add support for VR5000, and finish MIPS4 support.
- * mips.h (enum processor_type): Add PROCESSOR_R5000.
- (gen_conditional_move): Declare.
- (CONDITIONAL_REGISTER_USAGE): Mark ST_REGS as fixed if not
- HARD_FLOAT, or if mips_isa < 4.
- (FIRST_PSEUDO_REGISTER): Change to 76.
- (FIXED_REGISTERS): Add condition code registers.
- (CALL_USED_REGISTERS): Likewise.
- (ST_REG_LAST): Change to 74.
- (RAP_REG_NUM): Change to 75.
- (ST_REG_P): Look for any condition code register.
- (REG_CLASS_CONTENTS): Update for new condition code registers.
- (RTX_COSTS): Add cases for R5000.
- (REGISTER_MOVE_COST): Add cases for condition code registers.
- (PREDICATE_CODES): Add "const_float_1_operand".
- (EXTRA_CC_MODES): Remove.
- (EXTRA_CC_NAMES): Remove.
- (SELECT_CC_MODE): Remove.
- (REGISTER_NAMES): Add entries for new condition code registers.
- (DEBUG_REGISTER_NAMES): Likewise.
- (ADDITIONAL_REGISTER_NAMES): Remove FPSW_REGNUM.
- * mips.md (cpu attribute): Add R5000.
- (function units): Add cases for the R5000.
- (madd.d): Only available if TARGET_DOUBLE_FLOAT.
- (msub.d, nmadd.d, nmsub.d): Likewise.
- (recip.d, recip.s, rsqrt.d, rsqrt.s): New define_insn patterns.
- (movcc): New pattern to move condition code values.
- (reload_incc, reload_out_cc): New define_expand patterns.
- (lwxc1, ldxc1, swxc1, sdxc1): Several new define_insn patterns.
- (various): Replace CC_FP with CC.
- (branch_fp_ne, branch_fp_eq): Match any condition code register.
- (branch_fp_ne_rev, branch_fp_eq_rev): Remove.
- (seq_df, slt_df, sle_df): Match any condition code register.
- (sgt_df, sge_df, seq_sf, slt_sf, sle_sf): Likewise.
- (sgt_sf, sge_sf): Likewise.
- (sne_df, sne_sf): Remove.
- (FP conditional moves): Match any condition code register.
- Require TARGET_HARD_FLOAT and, if appropriate,
- TARGET_DOUBLE_FLOAT.
- (movsicc): Just call gen_conditional_move.
- (movdicc, movsfcc, movdfcc): New define_expand patterns.
- * mips.c (mips_reg_names): Add condition code registers.
- (mips_sw_reg_names): Likewise.
- (mips_regno_to_class): Likewise.
- (const_float_1_operand): New function.
- (mips_move_1word): Treat CCmode as SImode. Handle move from
- ST_REG to GR_REG if mips_isa >= 4. Only permit move from GR_REG
- to ST_REG is mips_isa < 4.
- (gen_conditional_branch): Rewrite. Just use CCmode, not extra
- condition modes.
- (gen_conditional_move): New function.
- (override_options): Recognize vr5000. Look for just CCmode, not
- extra condition modes. If mips_isa >= 4, permit CCmode in GR_REGS
- and FP_REGS.
- (print_operand): Handle %Z.
- (mips_secondary_reload_class): Require a data register to copy a
- value out of a condition code register. Require a floating point
- register to copy a value into a condition code register.
-
-Tue Sep 17 15:10:29 1996 Joern Rennecke <amylaar@cygnus.co.uk>
-
- * sh.md: New define_splits to recombine output from LEGITIMIZE_ADDRESS.
- * sh.h (LEGITIMIZE_ADDRESS): Typo fixes (x -> X).
-
-Mon Sep 16 23:00:35 1996 Jim Wilson <wilson@cygnus.com>
-
- * configure (build_broken_install): Renamed from host_broken_install.
- Set from build not host.
- (build_install_headers): Renamed from host_install_headers. Set from
- build not host.
-
-Mon Sep 16 22:38:55 1996 Stu Grossman (grossman@critters.cygnus.com)
-
- * configure (m68k-*-coff*): Use dbx debug format by default.
- * gcc.c (link_command_spec): Move -T to end of link command line.
- * m68k/m68kemb.h (LINK_SPEC, SUBTARTGET_SWITCHES): Delete.
- (LIB_SPEC): Define to just -lc.
- (STARTFILE_SPEC): Define to empty.
-
-Mon Sep 16 13:12:27 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.c (ext_shift_insns, ext_shift_amounts): new arrays.
- (gen_ashift_hi, gen_shifty_hi_op, shl_and_kind): new functions.
- rtx_equal_function_value_matters: declare.
- (shl_and_length, shl_and_src_length, gen_shl_and): new functions.
- (shl_sext_kind, shl_sext_length, gen_shl_sext): new functions.
- * sh.md (ashlhi3_k, lshrhi3_m): new insn pattern.
- (lshrhi3, shl_sext_ext, shl_sext_sub):
- new insn pattern with matching define_split.
- (and_shl_scratch): Likewise, but also with unnamed variants.
-
-Sat Sep 14 17:05:07 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * gcc.c (convert_filename): Don't start looking for '.' until
- after last directory separator.
-
- * i386.md (clrstrsi): Correct check for constant size.
-
- * Based on code by sac@cygnus.com.
- * i386/cygwin32.h (CHECK_STACK_LIMIT): Make consistent with MD file.
- * i386.c ({function,ix86_expand}_prologue): Use __alloca to allocate
- stack if desired and beyond CHECK_STACK_LIMIT in size.
- * i386.h ({MASK,TARGET}_STACK_PROBE): New macros.
- (TARGET_SWITCHES): Add -mstack-arg-probe.
- * i386.md (allocate_stack{,_worker}): New patterns.
-
-Fri Sep 13 18:23:18 1996 Joel Sherrill <joel@OARcorp.com>
-
- * sparc/lb1spc.asm (.div, .rem): Fixed typo so sign is returned
- correctly. TOPBITS was 2 and should have been 4.
-
-Thu Sep 12 21:51:56 1996 Jim Wilson <wilson@cygnus.com>
-
- * mips.md (call_value_multiple_internal0): Change from define_insn to
- define_expand.
-
-Thu Sep 12 19:22:14 1996 Doug Evans <dje@seba.cygnus.com>
-
- * sparc.md (move_pic_label_si): Operand one is label_ref now.
- * sparc.c (emit_move_sequence): Pass label_ref to
- gen_move_pic_label_si to not lose flags.
-
-Wed Sep 11 12:10:08 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * Makefile.in (GCC_PASSES): Add $(exeext) to names.
- (FLAGS_TO_PASS): Add CLIB.
- (c-pragma.o): Add dependencies on except.h, function.h, defaults.h.
-
-Tue Sep 10 22:25:03 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * configure (i[3456]86-*-cygwin32): Use xm-cygwin32.h and xm-i386.h.
- Set fixincludes to Makefile.in and objc_thread_file to win32.
- * i386/xm-cywin32.h: Don't include xm-i386.h.
- * i386/x-cygwin32, rs6000/x-cygwin32 (STMP_FIXPROTO, exeext): New defs.
-
- * gcc.c (HAVE_EXECUTABLE_SUFFIX): New macro.
- (convert_filename): New function.
- (process_command, case 'o'): Call it.
- (process_command, default case): Likewise; delete old code.
-
-Tue Sep 10 21:08:43 1996 Torbjorn Granlund <tege@albert.gnu.ai.mit.edu>
-
- * i386.md (decrement_and_branch_until_zero matcher): Fix typo.
-
-Tue Sep 10 19:04:19 1996 Jim Wilson <wilson@cygnus.com>
-
- * mips.c (mips_move_2words): Rewrite 32 bit shifts as 16 bit shifts.
-
-Tue Sep 10 10:39:07 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa/pa-gas.h (DBX_DEBUGGING_INFO): Remove all #define
- and #undef statements related to debugging information.
- * pa/pa-hpux.h, pa-hpux7.h: Likewise
- * pa.c (override_options): Disable "-g" and issue a warning
- if it's used when !TARGET_GAS.
-
-Mon Sep 9 17:57:49 1996 Doug Evans <dje@wabamun.cygnus.com>
-
- * sparc.h ({MASK,TARGET}_FPU_SET): Define.
- (TARGET_SWITCHES): Record if -m{,no-}fpu passed.
- * sparc.c (sparc_override_options): Don't clobber explicit
- -m{,no-}fpu setting with cpu default.
-
-Mon Sep 9 15:57:57 1996 Joel Sherrill <joel@OARcorp.com>
-
- * configure (mips64orion-*-rtems*): New target.
- * mips/rtems64.h: New file.
-
-Sat Sep 7 22:07:53 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * expr.c (store_field): If storing a record on big endian targets,
- set up so we store the high-order bits.
- (expand_expr, case COMPONENT_REF): Likewise for loads.
-
-Thu Sep 5 14:59:47 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * sh.h (LEGITIMIZE_ADDRESS): Define nonempty.
-
-Thu Sep 5 10:43:36 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa.md (movsi, movdi, movsf patterns): Handle
- 'R' constraints as needed.
-
-Wed Sep 4 17:13:28 1996 Bob Manson <manson@charmed.cygnus.com>
-
- * except.c: (add_partial_entry): New routine.
- (expand_start_try_stmts): Moved from cp/except.c.
- (expand_start_all_catch): Move functionality of expand_end_try_stmts
- here.
-
-Wed Sep 4 12:30:02 1996 Mike Stump <mrs@cygnus.com>
-
- * except.c (emit_unwinder): Ensure that CLOBBER and USE insns come
- last, if present.
-
-Tue Sep 3 12:01:43 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * configure (sh-*-elf*): New target.
- * sh/elf.h: New file.
-
-Fri Aug 30 17:52:26 1996 Jim Wilson <wilson@cygnus.com>
-
- * dwarf2out.c (gen_formal_types_die): Delete extra argument from
- gen_type_die call.
-
-Fri Aug 30 15:40:40 1996 James G. Smith <jsmith@cygnus.co.uk>
-
- * mips/elf64.h: Allow MULTILIB_DEFAULTS to be defined
- before this file is included.
-
-Fri Aug 30 15:00:06 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.md: (movsicc,movhicc): Allow reload from memory.
-
- * i386.c (override_options): Don't thread the prologue if profiling.
-
-Fri Aug 30 15:00:06 1996 James Hawtin <cgjwh@sunrise.co.uk>
-
- * i386/t-sol2 (gcrt1.o): Added for profiling Solaris 2
- * i386/sol2.h (STARTFILE_SPEC): New.
- * i386/gmon-sol2.c, i386/sol2-gc1.asm: New files.
-
-Thu Aug 29 22:08:03 1996 Jim Wilson <wilson@cygnus.com>
-
- * except.c (add_eh_table_entry): Multiply realloc size by sizeof int.
-
-Thu Aug 29 15:15:31 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa.md (fcmp patterns): Don't try to eliminate useless add,tr
- insns here.
- * pa.c (pa_reorg): Do elimination of useless add,tr insns here instead.
- (print_operand, case 'y'): Remove this code.
-
-Wed Aug 28 16:19:34 1996 Doug Evans <dje@cygnus.com>
-
- * toplev.c (print_single_switch): Ultrix fprintf returns 0 for success.
-
- * toplev.c (main): Rewrite -g parsing.
-
-Mon Aug 26 16:15:49 1996 Fred Fish <fnf@cygnus.com>
-
- * Makefile.in (objc-parse.y): Fix typo in name of temp file.
-
-Mon Aug 26 14:08:37 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * function.c (mark_all_temps_used): Fix error in last change.
-
-Sun Aug 25 22:27:19 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * function.c (mark_all_temps_used): New function.
-
-Fri Aug 23 11:34:57 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Fixes to make -fPIC
- really the same as -mrelocatable.
- (ASM_SPEC): Pass -K PIC to the assembler if -fpic/-fPIC.
-
- * rs6000/sol2.h (ASM_CPU_SPEC): Remove passing -K PIC to the
- assembler if -fpic/-fPIC.
-
- * bi-{arity,opcode,opname}.c (fancy_abort): Define, so that
- -Dabort=fancy_abort works again.
-
-Thu Aug 22 11:39:34 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/t-ppcgas ({stmp,install}-crt): Only build and install the
- eabi ecrt[in].o object files in eabi multilib directories, only
- build and install the solaris scrt[in0].o object files in solaris
- directories.
- (MULTILIB_MATCHES): Remove matches for solaris, linux to other
- switches.
-
-Tue Aug 20 18:49:55 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/sysv4.h (ASM_OUTPUT_SECTION_NAME): If -mrelocatable or
- -mrelocatable-lib, don't make read-only sections, since if there
- are pointers to be fixed up, the assembler complains.
-
-Mon Aug 19 18:42:13 1996 Doug Evans <dje@cygnus.com>
-
- * sparc.h ({MASK,TARGET}_LITTLE_ENDIAN): Define.
- (LIBGCC2_WORDS_BIG_ENDIAN): Add little endian support.
- * sparc/sp64-elf.h ({CPP,ASM,LINK}_SPEC): Add little endian support.
- (SUBTARGET_SWITCHES): Recognize -m{big,little}-endian.
- ({BYTES,WORDS}_BIG_ENDIAN): Likewise.
- * sparc/splet.h (SUBTARGET_SWITCHES): Recognize -m{big,little}-endian.
- ({CPP,ASM,LINK}_SPEC): Add little endian support.
- ({BYTES,WORDS}_BIG_ENDIAN): Likewise.
- * sparc/t-splet (MULTILIB_{OPTIONS,DIRNAMES}): Likewise.
-
- * sparc/lynx-ng.h (CPP_SPEC): Use %(cpp_cpu).
-
-Sat Aug 17 15:23:39 1996 Geoffrey Noer <noer@cygnus.com>
-
- * i386/cygwin32.h (CPP_PREDEFINES): Define _WIN32, not WIN32.
- Define only __CYGWIN32__, not CYGWIN32 or __CYGWIN32.
- * rs6000/cygwin32.h (CPP_PREDEFINES): Likewise.
- * cccp.c (absolute_filename): Drive specifiers make the pathname
- absolute in cygwin32.
- * choose-temp.c: Delete !defined(_WIN32) condition when including
- sys/file.h (NO_SYS_FILE_H is still used).
- * gcc.c: Change ifndef _WIN32 to ifndef NO_SYS_FILE_H when deciding
- whether to include sys/file.h.
- (execute): -pipe is supported for cygwin32.
- * getopt.c: Change win32 test from WIN32 to _WIN32.
- * pexecute.c: Update test for win32 (&& ! cygwin32).
- * protoize.c: Likewise.
- (kill): Delete decl.
- * toplev.c: Update test for win32 (&& ! cygwin32).
- * ginclude/stdarg.h: Change __WIN32__ to _WIN32.
- * ginclude/varargs.h: Likewise.
- * ginclude/va-ppc.h: Likewise.
-
-Fri Aug 16 16:02:09 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.c (rs6000_got_register): Make sure pic_offset_table_rtx
- allocated, even if current_function_uses_pic_offset_table set.
-
-Fri Aug 16 15:56:04 1996 J. Kean Johnston <hug@netcom.com>
-
- * i386/sco5.h (CLASS_LIKELY_SPILLED_P): Deleted.
- (STARTFILE_SPEC): Insert crtbegin.o in correct place, and correct
- versions of values-X?.o.
- (SWITCH_TAKES_ARG): Extend DEFAULT_SWITCH_TAKES_ARG, not replace.
- (CPP_SPEC): Add -Di386, and correctly include extra directories.
- Define HAVE_ATEXIT in ELF mode for global destructors.
-
-Thu Aug 15 16:42:44 1996 Doug Evans <dje@cygnus.com>
-
- * sparc.c (label_ref_operand): New function.
- (emit_move_sequence): Pass label_ref to gen_move_label_di to not
- lose flags.
- * sparc.md (move_label_di): Operand one is label_ref now.
- * genattrtab.c (write_test_expr): Allow label_ref in match_dup.
-
- * sys-protos.h (gethostid): Make return type `int' ifdef __alpha__.
- * gen-protos.c: Delete support for SYS_PROTO_OVERRIDES.
- * alpha.h (SYS_PROTO_OVERRIDES): Delete.
-
-Thu Aug 15 17:36:09 1996 Mike Stump <mrs@cygnus.com>
-
- * libgcc2.c (__throw): New routine.
- (__eh_pc): New data object for exception handling.
-
- * except.c (eh_saved_pc): New object so we can call
- assemble_external.
- (expand_internal_throw_indirect): Call assemble_external for __eh_pc.
- (end_eh_unwinder): Likewise.
- (init_eh): Initialize eh_saved_pc.
-
-Thu Aug 15 13:02:42 1996 Mike Stump <mrs@cygnus.com>
-
- * arm.h (RETURN_ADDR_RTX): Define.
-
- * expr.c (expand_builtin_return_addr): Fix order of parameters.
-
-Wed Aug 14 19:48:00 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu>
-
- * stmt.c (expand_return): In code for doing scc with jumps,
- stick to default handling if we have corresponding scc pattern.
-
-Wed Aug 14 10:31:28 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa.c (override_options): Treat TARGET_FAST_INDIRECT_CALLS
- just like TARGET_NO_SPACE_REGS.
- (output_millicode_call): Likewise.
- * pa.h (TARGET_FAST_INDIRECT_CALLS): Define.
- (TARGET_SWITCHES): Add "fast-indirect-calls".
- * pa.md: Treat TARGET_FAST_INDIRECT_CALLS just like
- TARGET_NO_SPACE_REGS in various call/millicode call patterns.
-
- * pa.c (print_operand): Use the right comparison operator
- for reversed EQ and NE comparisons.
-
- * pa.h (OUTPUT_MI_THUNK): Define.
-
-Wed Aug 14 11:40:49 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * ginclude/va-ppc.h: Add Windows NT support.
- * ginclude/{varargs,stdarg}.h: For PowerPC Windows NT, include
- va-ppc.h, instead of using the default handling.
-
-Tue Aug 13 18:30:10 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * fixincludes: Remove duplicate volatile from sig_atomic_t in AIX
- sys/signal.h
-
-Tue Aug 13 16:51:37 1996 Jim Wilson <wilson@cygnus.com>
-
- * i960-coff.h (LIB_SPEC): Undef.
-
- * sh.h (PROFILE_BEFORE_PROLOGUE): Define.
-
-Tue Aug 13 11:36:02 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * gcc.c (set_spec,process_command): Dump and load the compiler
- version number in the specs file.
-
- * rs6000.c (output_toc): Fix last change, so that it doesn't use
- an uninitialized variable if -mminimal-toc.
- (output_prolog): Increment probe_labelno after last use.
-
- * rs6000/t-ppcgas (MULTILIB_*): Build far fewer multilib
- libraries. Build all libraries with -mrelocatable-lib and
- -mno-eabi. Build special Linux and Solaris libraries.
- * rs6000/eabi{,aix,le}.h (MULTILIB_DEFAULTS): Adapt to changes in
- t-ppcgas.
- * rs6000/(linux,sol2).h (MULTILIB_DEFAULTS): Ditto.
- * rs6000/{sysv4,sysv4le} (MULTILIB_DEFAULTS): Ditto.
-
-Tue Aug 13 11:36:02 1996 Jeffrey A Law (law@cygnus.com)
-
- * rs6000.c (handle_mac_pragma): Initialize "psize".
-
-Mon Aug 12 18:14:35 1996 Jim Wilson <wilson@cygnus.com>
-
- * gcc.c (used_arg): Initialize cnt to zero.
-
-Mon Aug 12 14:03:16 1996 Jim Wilson <wilson@cygnus.com>
-
- From Mike Stump:
- * sh.c (regno_reg_class): Change entry 23 from NO_REGS to GENERAL_REGS.
- (initial_elimination_offset): New variable live_regs_mask. Add
- code to handle RETURN_ADDRESS_POINTER_REGNUM.
- * sh.h (RAP_REG, RETURN_ADDRESS_POINTER_REGNUM): Define.
- (ELIMINABLE_REGS): Add RETURN_ADDRESS_POINTER_REGNUM support.
- (RETURN_ADDR_RTX): Define.
- (REGISTER_NAMES): Add rap.
-
- * iris5.h (DOLLARS_IN_IDENTIFIERS): Undefine.
-
- * m68kemb.h (LIB_SPEC): Always emit -lc.
-
-Mon Aug 12 12:30:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.c (rs6000_got_register): Test variable
- current_function_uses_pic_offset_table to see whether or not a GOT
- register has been created already.
-
- * Makefile.in (multilib.h): Move to stamp-mlib.
- (stamp-mlib): Use move-if-change to conditionally update
- multilib.h. Pass MULTILIB_EXTRA_OPTS to genmultilib.
- (STAGESTUFF): Add stamp-mlib.
- (mostlyclean): Delete tmp-mlib.h.
-
- * genmultilib: Take a fifth argument to add options to pass on to
- all multilib builds. Restructure output so that we pass the
- synonym switches and extra arguments separately, and not
- exponentially slow down genmultilib.
-
- * gcc.c (toplevel): Rearrange multilib support so that we support
- passing the synonyms separately from the normal switches. Add
- support for passing additional switches to be used on all multilib
- builds. Dump and restore the value of MULTILIB_DEFAULTS so that
- gcc cover programs for other targets will correctly chose the
- appropriate multilib directory.
- (setspec,process_command,main): Ditto
- (used_arg,default_arg,print_multilib_info): Ditto.
-
-Mon Aug 12 07:46:47 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * expr.c (expand_builtin, case BUILT_IN_SETJMP): Add test
- and call for nonlocal_goto_receiver pattern.
- * stmt.c (expand_end_bindings): Likewise.
-
- * stmt.c (expand_asm_operands): Fix off-by-one error when
- scanning constraints.
-
-Sun Aug 11 22:48:02 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * expr.c (store_expr): Handle COND_EXPR cleanups like expand_expr.
-
-Sun Aug 11 22:42:36 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * optabs.c (expand_abs): When OP0 and TARGET are the same
- pseudo register, it is safe to use TARGET.
-
- * local-alloc.c (reg_equiv_replace): New variable.
- (update_equiv_regs): Set reg_equiv_replacement for all REG_EQUIV
- notes encountered or generated.
-
-Sun Aug 11 22:27:14 1996 Scott Christley <scottc@net-community.com>
-
- * objc/hash.c (hash_is_key_in_hash): Function somehow got lost.
-
-Sun Aug 11 21:43:15 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * ginclude/stddef.h (__need_wint_t): Move #undef to right place.
-
-Sun Aug 11 17:46:22 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
-
- * c-decl.c (finish_struct): If pedantic, also warn if struct/union
- has no named members.
-
-Sun Aug 11 17:32:52 1996 Joel Sherrill <joel@OARcorp.com>
-
- * i386/rtems.h: Renamed from i386/i386-rtems.h
- * i960/rtems.h: Renamed from i960/i960-rtems.h
- * m68k/rtems.h: Renamed from m68k/m68k-rtems.h
- * rs6000/rtems.h: Renamed from rs6000/powerpc-rtems.h
- * sparc/rtems.h: Renamed from sparc/sparc-rtems.h
- * config/t-rtems: New file.
- * configure (i386-*-rtems*): Added t-rtems to tmake_file.
- Renamed i386/i386-rtems.h to i386/rtems.h.
- (i960-*-rtems*): Added t-rtems to tmake_file.
- Renamed i960/i960-rtems.h to i960/rtems.h.
- Added original tm.h file and dbxcoff.h.
- (m68k-*-rtems*): Added t-rtems to tmake_file.
- Renamed m68k/m68k-rtems.h to m68k/rtems.h.
- (powerpc-*-rtems*): Added t-rtems to tmake_file.
- Renamed rs6000/powerpc-rtems.h to rs6000/rtems.h.
- (sparc-*-rtems*): Added t-rtems to tmake_file.
- Renamed sparc/sparc-rtems.h to sparc/rtems.h.
-
-Fri Aug 9 16:05:13 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.md: (untyped_call) Avoid SIGFPE.
-
- * i386.c (output_float_compare): Don't try to initialize
- aggregate local variable; use assignment statements instead.
-
- * i386.h (RTX_COSTS): rtx_cost should pass two parameters.
-
- * i386/go32.h (ASM_OUTPUT_SECTION_NAME): New.
-
-Fri Aug 9 16:00:11 1996 Jim Wilson <wilson@cygnus.com>
-
- * winnt.c (gen_stdcall_suffix): Round parameter size to PARM_BOUNDARY.
-
-Thu Aug 8 17:42:35 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.c (output_toc): If we are emitting a reference to a
- vtable, don't put in the section name, just use the symbol.
-
-Wed Aug 7 19:03:36 1996 Jim Wilson <wilson@cygnus.com>
-
- * sh.md (casesi_jump): New pattern.
- (casesi): Generate RTL to match it.
-
-Wed Aug 7 14:10:07 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * ginclude/stddef.h (NULL): Use __null for G++.
-
-Tue Aug 6 17:37:53 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/sysv4.h (STACK_BOUNDARY): Always define as 64.
- (ABI_STACK_BOUNDARY): Define as 64/128 based on the -mno-eabi
- switch.
-
- * rs6000.c (rs6000_stack_info): Use ABI_STACK_BOUNDARY, not
- STACK_BOUNDARY. Define ABI_STACK_BOUNDARY as STACK_BOUNDARY #ifndef.
-
-Tue Aug 6 14:29:43 1996 Doug Evans <dje@fallis.cygnus.com>
-
- * gen-protos.c (overrides): New static local.
- (add_hash,parse_fn_proto): New static functions.
- (main): Add prototypes from SYS_PROTO_OVERRIDES to hash table before
- parsing sys-protos.h. Reserve entry 0 in std_protos.
- * alpha.h (SYS_PROTO_OVERRIDES): Define.
-
-Mon Aug 5 16:53:36 1996 Doug Evans <dje@fallis.cygnus.com>
-
- * sparc/t-splet (MULTILIB_OPTIONS): Add mbroken-saverestore.
- (MULTILIB_DIRNAMES): Add brknsave.
-
- * stor-layout.c (layout_record): Correct overflow test for 0 sized
- fields.
-
-Mon Aug 5 16:12:19 1996 Jim Wilson <wilson@cygnus.com>
-
- * alpha.c (alpha_output_filename): When emitting stabs, don't
- disable them if using GNU as.
- (alpha_output_lineno): Likewise, when not using GNU as.
-
- * sh.c (arith_reg_operand): Reject SUBREG of an invalid hard reg.
-
- * sparc/lite.h (aoutos.h): Don't include it.
- * configure (sparclite-*-aout*): Add aoutos.h to tm_file.
-
-Sat Aug 3 23:13:55 1996 Jeffrey A Law (law@cygnus.com)
-
- * combine.c (rtx_equal_for_field_assignment_p): Check for
- get_last_value returning (CLOBBER (CONST_INT 0)).
-
-Sat Aug 3 20:19:14 1996 Jim Wilson <wilson@cygnus.com>
-
- * i960.md (subsi3+1): Handle case where first operand is constant
- but second operand is not.
-
- * m68k/vxm68k.h (WCHAR_TYPE_SIZE): Undef, then define to 16.
-
-Fri Aug 2 15:46:19 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa/pa-hpux.h (LINK_SPEC): Don't link in PA1.1 specific
- libraries when creating shared libraries.
- * pa/pa-hpux9.h, pa/pa-hpux10.h: Likewise.
-
-Fri Aug 2 13:36:42 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.c (output_float_compare): fcomi should be followed by the
- correct conditional jump instead of fcom/pfstsw/and/jne
- (override_options): Added -mbranch-cost to set BRANCH_COST.
-
- * i386.md (sgt+1,slt+1,sge+1,sle+1,bgt+1,blt+1,bge+1,ble+1,bleu+4)
- Added TARGET_CMOVE check for fcomi.
- (movsicc_1+1,movhicc_1+1): Added to handle the general case.
-
- * i386.h (i386_branch_cost, i386_branch_cost_string): Added.
-
-Fri Aug 2 11:53:55 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * sparc/vxsparc.h (CPP_PREDEFINES): Add `-DCPU=SPARC'.
-
-Thu Aug 1 23:56:01 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa.h (ASM_OUTPUT_INT): Remove all hacks for exception table.
-
-Thu Aug 1 10:08:14 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu>
-
- * m68k.h (RTX_COSTS, case PLUS): Get operand order right.
-
-Wed Jul 31 15:06:46 1996 Doug Evans <dje@cygnus.com>
-
- * sparc.md (negtf2,abstf2): Fix v9 case.
-
-Wed Jul 31 09:49:25 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa.h (ASM_OUTPUT_INT): Use an 'E%' prefix for items in
- the exception table if TARGET_GAS && ! TARGET_PORTABLE_RUNTIME.
-
-Tue Jul 30 15:37:31 1996 Jim Wilson <wilson@cygnus.com>
-
- * i386/cygwin32.h (dbxcoff.h): Include.
- (DBX_DEBUGGING_INFO, SDB_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE):
- Move definitions before include of dbxcoff.h.
- (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_MAIN_SOURCE_FILE_END): Delete.
- (DBX_BLOCKS_FUNCTION_RELATIVE, DBX_FUNCTION_FIRST): Delete.
-
-Tue Jul 30 15:03:53 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu>
-
- * i960.md (eq reg (const_int 0)): New pattern.
-
-Tue Jul 30 11:15:44 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa.h (RETURN_ADDR_RTX): Offset is -20 from the frame, not +20!
-
-Mon Jul 29 12:16:17 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa.h (GO_IF_LEGITIMATE_ADDRESS): Fix thinko in last change.
-
-Fri Jul 26 18:19:47 1996 Doug Evans <dje@cygnus.com>
-
- * dwarfout.c (output_bound_representation): Fix typo.
-
-Thu Jul 25 16:00:10 1996 Mike Stump <mrs@cygnus.com>
-
- * expr.c (do_jump, case TRUTH_ORIF_EXPR): Ensure end of an
- exception region comes after its start.
- (do_jump, case TRUTH_ANDIF_EXPR): Likewise.
-
-Thu Jul 25 13:36:42 1996 Stan Cox <coxs@equinox>
-
- * i386.c (output_float_compare): Added support for Pentium Pro
- fcomi instruction which sets EFLAGS instead of FPU Status Word.
-
-Wed Jul 24 21:48:08 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * cse.c (canon_hash, cse_insn): MEM is not unchanging if it is
- in the frame (since the temp slot might be reused).
-
-Wed Jul 24 17:34:06 1996 J"orn Rennecke (amylaar@cygnus.com)
-
- * sh.md (branch_true, branch_false, inverse_branch_true): Express
- tests of the T bit as comparisons against zero, rather than one.
- (inverse_branch_false, beq, bne, bgt, blt, ble, bge, bgtu): Likewise.
- (bltu, bgeu, bleu, casesi): Likewise.
-
-Wed Jul 24 15:58:06 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.md: (mov{sf,df,xf}cc{,_1}): New patterns for P6 FP cmove.
- * i386.c (put_condition_code, print_operand, output_fp_cc0_set):
- Support fcmov suffixes.
-
-Wed Jul 24 10:53:38 1996 Jeffrey A Law (law@cygnus.com)
-
- * pa.c (move_operand): Relax "mode" test. Allow scaled
- indexed addressing modes.
- (output_fp_move_double): Tweak output strings to work with updated
- 'F' and 'M' output modifiers.
- (print_operand): Collapse 'F' and 'M' into a single hunk of code.
- For auto-increment modes output "s,ma" and "s,mb".
- For scaled indexing modes output "x,s"
- For other addresses, output nothing for 'M' and "s" for 'F'.
- * pa.h (EXTRA_CONSTRAINT): Don't accept scaled indexed addresses
- for 'Q' and 'T'. Do accept scaled indexed addresses for 'R'.
- (GO_IF_LEGITIMATE_ADDRESS): Accept scaled indexed addresses
- for SFmode and DFmode.
- * pa.md: Remove all scaled indexed load patterns.
- (movsi patterns): Accept scaled indexed addresses in some
- cases. Update output strings for updated 'M' and 'F' output modifiers.
- (movhi, movqi, movsf, movdf, movdi patterns): Likewise.
-
-Tue Jul 23 23:10:41 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * tree.h (struct tree_int_cst): Add field for TREE_CST_RTL.
- * varasm.c (decode_addr_const, output_constant_def): AllowINTEGER_CST.
-
-Tue Jul 23 16:42:09 1996 Jim Wilson <wilson@cygnus.com>
-
- * sh.c (reg_unused_after): Handle JUMP_INSN inside a sequence.
-
-Tue Jul 23 16:33:25 1996 Mike Stump <mrs@cygnus.com>
-
- * Make exception handling work better when optimizations are on.
- * except.c, except.h: New files.
- * Makefile.in (OBJS): Add except.o.
- (except.o): Add.
- (stmt.o, final.o): Add except.h.
- * rtl.c (note_insn_name): Add NOTE_INSN_EH_REGION_{BEG,END}.
- * rtl.h: Likewise.
- * arm.h (MASK_RETURN_ADDR): Define.
- * pa.h (MASK_RETURN_ADDR, RETURN_ADDR_RTX): New macros.
- * sparc.h (DOESNT_NEED_UNWINDER): Define if not doing a flat function.
- * mips.h (RETURN_ADDR_RTX): Improve.
- * vax.h (RETURN_ADDR_RTX): Improve.
- * toplev.c (rest_of_compilation): Use find_handler_labels.
- (main, interim_eh{,_hook}): Remove interim_eh_hook support.
- (flag_exceptions): New flag; also add to table.
- (compile_file): Emit the exception table in the backend now.
- * final.c (final_scan_insn): Support ASM_OUTPUT_EH_REGION_{BEG,END}.
- (final_scan_insn): Redo handler labels, implement
- NOTE_INSN_EH_REGION_BEG and NOTE_INSN_EH_REGION_END and use them
- instead of CODE_LABELs.
- (final): Add call to check_handler_labels.
- * libgcc2.c (L_eh): Add support for EH_TABLE_LOOKUP.
- * sparc.md (return): Add a reference to the return address register.
- * flow.c (find_basic_blocks): Add support for handler_labels.
- * loop.c (find_and_verify_loops): Likewise.
- * jump.c (jump_optimize): Likewise.
- Add call to check_handler_labels. Add call to exception_optimize.
- * sched.c (sched_analyze): Smuggle exception region notes around.
- (unlink_notes, reemit_notes, schedule_block): Likewise.
- (sched_analyze): Add extra element since we remove two at a time.
- * integrate.c (save_for_inline_copying): Add support for exception
- regions.
- (expand_inline_function): Likewise.
- (function_cannot_inline_p): Don't inline functions that have EH
- regions before NOTE_INSN_FUNCTION_BEG.
- (finish_inline): Use FIRST_FUNCTION_INSN, not NEXT_INSN.
- * function.c (expand_start_all_catch): New function.
- * function.h: Add exception handling support information.
- * expr.c (expand_expr, {defer,expand}_cleanups_to, do_jump): Transform
- interim_eh_hook into calls to expand_ehregion_{start,end}.
- * stmt.c (expand_{decl_cleanup,cleanups}): Likewise.
- (init_stmt_for_function): Call init_eh.
- (save_stmt_status): Call save_eh_status.
- (restore_stmt_status): Call restore_eh_status.
- * expr.h (throw_libfunc): Add.
- * optabs.c (throw_libfunc): Initialize.
- * print-rtl.c (print_rtx): Add support for exception regions.
- * rs6000.c (EXCEPTION_SECTION): Define.
- * output.h (exception_section): Declare.
- * varasm.c (exception_section): Define.
- * i386.c, i960.c, rs6000.c: Include except.h for function.h.
- * c-pragma.c, emit-rtl.c, expr.c, final.c, flow.c: Include except.h.
- * function.c, integrate.c, jump.c, loop.c, objc-act.c: Likewise.
- * stmt.c, stor-layout.c, toplev.c, tree.c, varasm.c: Likewise.
-
-Tue Jul 23 12:32:54 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.c (rs6000_replace_regno): Set pic_offset_table_rtx so
- that other phases will use the PIC register instead of the
- placeholder.
-
- * rs6000.md (movsi_got*): Eliminate -fPIC code, keep -fpic code.
- (movsi): Only call movsi_got if -fpic, not -fPIC.
-
- * sysv4.h (OVERRIDE_OPTIONS): Improve error messages. Always set
- -msdata=data by default, even if -fpic/-fPIC/-mrelocatable. Treat
- -fPIC the same as -mrelocatable-lib and vica versa.
-
- * t-ppcgas: (MULTILIB_*): Use -mreloctable-lib, instead of
- -mrelocatable. Map Solaris into mcall-sysv-noeabi case. Build
- -mrelocatable-lib libraries under non-eabi case. When linking, if
- -fpic, -fPIC, or -shared, link in the -mrelocatable-lib libraries.
-
-Mon Jul 22 19:34:20 1996 Jim Wilson <wilson@cygnus.com>
-
- * iris6.h (ASM_SPEC): Change {% to %{.
-
- * dwarf2out.c (output_call_frame_info): Change FDE CIE offset to
- be section name rather than 0.
- (gen_subprogram_die): Only emit DW_AT_external if origin is NULL.
- Only call equate_decl_number_to_die if origin is NULL.
- (dwarfout_begin_function): In code that computes offset of frame
- pointer, change 4 to UNITS_PER_WORD.
-
- * combine.c (undo_all): Clear previous_undos field.
-
-Mon Jul 22 19:10:45 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * configure: Don't change target_alias to target in Makefile.
-
-Sat Jul 20 09:28:38 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * dwarfout.c (output_bound_representation): Treat default case
- as variable bounds, then look inside for SAVE_EXPR.
-
- * mips.h (INITIALIZE_TRAMPOLINE): Use `_flush_cache'; flush data
- cache too.
-
-Sat Jul 20 09:24:13 1996 Marco Walther (Marco.Walther@mch.sni.de).
-
- * configure (mips-sni-sysv4): New target.
- * mips/sni-gas.h, mips/sni-svr4.h, mips/x-sni-svr4: New files.
-
-Fri Jul 19 17:44:13 1996 Stan Coxs <coxs@dg-rtp.dg.com>
-
- * i386.md: (leave): Clobbers esp and ebp.
-
- * i386.h: (TARGET_USE_Q_REG): Support inline strlen on PentiumPro
-
-Fri Jul 19 15:56:18 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * m68k/t-m68kbare (MULTILIB_OPTIONS): Add m5200.
- (MULTILIB_EXCEPTIONS): Define.
- * m68k/lb1sf68.asm: Add MCF5200 support.
- * m68k.md (adddi_sexthishl32): Set condition to !TARGET_5200.
- (subdi_sexthishl32, ashrdi3, ashrhi3): Likewise.
- (negdi2): Change into define_expand.
- (negdi2_internal): Rename from old negdi2; condition now !TARGET_5200.
- (negdi2_5200): New insn.
- * m68k.c (output_function_prologue): Don't use add.w if TARGET_5200.
- (output_function_epilogue): Likewise.
-
- * m68k.md (movqi): Remove complex cases which move between address reg
- and memory; rely on secondary reloads instead.
-
-Fri Jul 19 12:22:50 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * fixproto (std_files): Add utime.h.
-
-Fri Jul 19 10:59:46 1996 Jeffrey A Law (law@cygnus.com)
-
- * m68k/m68kemb.h: Remove '\' at EOF.
-
-Fri Jul 19 09:59:00 1996 Joel Sherrill <joel@OARcorp.com>
-
- * m68k/coff.h (STARTFILE_SPEC): Add #undef before definition.
-
-Fri Jul 19 09:44:45 1996 J.T. Conklin <jtc@rtl.cygnus.com>
-
- * m68k.h (LEGITIMATE_INDEX_P): Coldfire does not have scale
- by 8 addressing modes.
-
- * m68k-none.h: Use MASK_* macros instead of explicit constants.
-
-Fri Jul 19 09:08:53 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
-
- * m68k.md (negdi2): Undo last change: don't apply neg to address regs.
-
-Fri Jul 19 09:03:01 1996 Robert Wilhelm (rwilhelm@Physik.TU-Muenchen.DE)
-
- * toplev.c (main): Correct typo in error message.
-
-Thu Jul 18 20:29:33 1996 Jim Wilson <wilson@cygnus.com>
-
- * Makefile.in (OBJS): Add dwarf2out.o.
- (dwarf2out.o): New rule.
- * dwarf2.h, dwarf2out.c: New files.
- * dwarfout.c: Check DWARF_VERSION macro.
-
- * mips/iris6.h (DWARF_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE):
- Move after header files are included.
- (iris5.h): Include instead of iris5gas.h.
- (MACHINE_TYPE): Change 5.x to 6.x.
- (DEBUG_SECTION, LINE_SECTION): Add debug_ to name, fix attributes.
- (SFNAMES_SECTION, SRCINFO_SECTION, MACINFO_SECTION, PUBNAMES_SECTION,
- ARANGES_SECTION): Fix attributes.
- (DWARF_VERSION, MIPS_DEBUGGING_INFO, ASM_DECLARE_FUNCTION_NAME,
- ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED,
- FRAME_SECTION, ABBREV_SECTION): Define.
- (DBX_DEBUGGING_INFO, SDB_DEBUGGING_INFO, MIPS_DEBUGGING_INFO,
- DWARF_DEBUGGING_INFO, PREFERRED_DEBUGGING_INFO): Delete undefs at
- end of file.
- * mips/mips.c (function_prologue): Use FUNCTION_NAME_ALREADY_DECLARED.
- (function_epilogue): Likewise.
-
-Thu Jul 18 19:24:19 1996 David Mosberger-Tang <davidm@azstarnet.com>
-
- * alpha/elf.h (INT_ASM_OP): Change from ".long" to ".quad".
-
-Thu Jul 18 19:20:58 1996 Ulrich Drepper <drepper@myware.rz.uni-karlsruhe.de>
-
- * stddef.h: Undefine __need_wint_t.
-
-Thu Jul 18 19:06:35 1996 J.T. Conklin <jtc@hippo.cygnus.com>
-
- * longlong.h (mc680x0): Define umul_ppmm, udiv_qrnnd, sdiv_qrnnd
- for the '020, '030, '040, and '332. Define count_leading_zeros
- for the '020, '030, '040, and '060.
-
- * m68k.md: Add TARGET_5200 to conditions which determine whether
- the extbl instruction is emitted.
- (mulsi3): Enable pattern with TARGET_5200.
-
- * m68k.md (add patterns): Don't use two addqw instructions when
- adding small (8 < N <= 16) integers to address registers on 68040.
-
-Thu Jul 18 18:06:15 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * configure: Write target_alias in Makefile.
- (i[3456]86-*-sco3.2v4*): Set truncate_target.
- * Makefile.in (target_alias): New and used for all current uses
- of `target'.
-
-Thu Jul 18 17:46:02 1996 Dave Love <d.love@dl.ac.uk>
-
- * gcc.c (default_compilers): Extra Fortran extensions.
-
-Wed Jul 17 10:28:10 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu>
-
- * expmed.c (expand_mult_highpart): Revert last change.
-
-Tue Jul 16 12:51:59 1996 Doug Evans <dje@cygnus.com>
-
- * sparc/sparc-rtems.h: #include "sparc/sparc-aout.h" -> sparc/aout.h.
-
-Mon Jul 15 14:42:06 1996 Jim Wilson <wilson@cygnus.com>
-
- * mips/iris6.h (LINK_SPEC): Add -woff 84.
-
-Fri Jul 12 17:34:01 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/eabi.asm (__eabi): Convert pointers in the Global Offset
- Table if -mrelocatable. Move loops into separate subroutines for
- ease of debugging. Reorganize code somewhat.
-
- * rs6000/rs6000.c (small_data_operand): Allow small data under
- Solaris.
-
- * rs6000/sol-c0.c (_start): Initialize r13 to point to the small
- data operand.
-
- * rs6000/sol-c{i,n}.asm (_init, _fini): Enable shared library
- support.
-
- * rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
- -msdata=data, even if -fpic or -mrelocatable. Allow -mrelocatable
- and -mno-eabi.
- (CPP_SYSV_SPEC): If -fpic, define __PIC__ and __pic__ to 1. If
- -fPIC, define them to 2.
- (CPP_ENDIAN_SPEC): Push definition of macros for specific endian
- targets to new specs.
- (CPP_ENDIAN_DEFAULT_SPEC): Define to use CPP_ENDIAN_BIG_SPEC.
- (CPP_ENDIAN_{LITTLE,BIG,SOLARIS}_SPEC): New specs for little
- endian mode, big endian mode, and Solaris, which can't define
- _LITTLE_ENDIAN. Define __LITTLE_ENDIAN__ in all cases for little
- endian systems. Define __BIG_ENDIAN__ in all cases for big endian
- systems.
- (SUBTARGET_EXTRA_SPECS): Add new specs.
-
- * rs6000/{eabile,sysv4le}.h (CPP_ENDIAN_DEFAULT_SPEC): Define to
- use CPP_ENDIAN_LITTLE_SPEC.
-
- * rs6000/sol2.h (CPP_ENDIAN_LITTLE_SPEC): Define as
- CPP_ENDIAN_SOLARIS_SPEC so that _LITTLE_ENDIAN is not define.
-
-Fri Jul 12 17:34:01 1996 David Edelsohn <edelsohn@mhpcc.edu>
-
- * rs6000.c (function_arg): Add IBM AIX XL compiler broken FP arg
- passing compatibility mode.
- * rs6000.h (TARGET_XL_CALL): Define default.
- * aix3newas.h (TARGET_XL_CALL, SUBTARGET_SWITCHES): Define.
- * aix41.h (TARGET_XL_CALL, SUBTARGET_SWITCHES): Define.
-
-Fri Jul 12 15:04:43 1996 Doug Evans <dje@cygnus.com>
-
- * arm/arm.h (ASM_OUTPUT_MI_THUNK): Handle fns returning structures.
-
- * ptx4.h ({ASM,LINK}_SPEC): %{V} %{v:%{!V:-V}} -> %{v:-V}.
- * svr4.h ({ASM,LINK}_SPEC): Likewise.
- * dsp16xx/dsp16xx.h ({ASM,LINK}_SPEC): Likewise.
- * i386/dgux.h (LINK_SPEC): Likewise.
- * i386/sol2.h (LINK_SPEC): Likewise.
- * m88k/dgux.h ({LINK,ASM_CPU}_SPEC): Likewise.
- * sparc/sol2.h ({ASM,LINK}_SPEC): Likewise.
- * sparc/sp64-elf.h ({ASM,LINK}_SPEC): Likewise.
- * sparc/sysv4.h (ASM_SPEC): Likewise.
-
-Thu Jul 11 17:29:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.h (GOT_TOC_REGNUM): New macro for r2, which is used as a
- marker for the GOT/TOC register to be allocated later.
- (MACHINE_DEPENDENT_REORG): Call rs6000_reorg.
- (rs6000_reorg): Add declaration.
-
- * rs6000.c (rs6000_got_register): Return REG 2, not a pseudo
- register in order to work with inlined functions.
- (rs6000_replace_regno): New function to replace a register with a
- new pseudo register.
- (rs6000_finalize_pic): Loop through all of the insns, replacing
- any GOT_TOC_REGNUM registers with a new pseudo register, and
- adding the initialization of of the GOT register if it was
- created.
- (rs6000_reorg): New function to check whether the GOT_TOC register
- marker was removed.
-
-Thu Jul 11 10:12:50 1996 Jeffrey A Law (law@cygnus.com)
-
- * h8300/h8300.h (OK_FOR_U): If generating H8/S code, accept
- SYMBOL_REF and SYMBOL_REF + CONST_INT.
-
- * h8300/h8300.c (shift_one): Emit tabs between opcode and
- operands to be consistent with the rest of the compiler.
- (rotate_one): Likewise.
- (shift_two, rotate_two): Define.
- (get_shift_alg): Accept new argument "assembler2_p" for
- rotate/shift by two insns. All callers changed. Rework
- to generate more efficient code on the H8/300, H8/300H, and
- H8/S. Try to simplify somewhat.
- (emit_a_shift): Use shift-by-two insns when they're available.
- Emit tabs between opcode and operands to be consistent with
- the rest of the compiler.
-
-Wed Jul 10 19:32:17 1996 Jim Wilson <wilson@cygnus.com>
-
- * mips/iris6.h (ASM_SPEC): Correct typos in Jun 18 change.
-
-Wed Jul 10 18:56:38 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * sh/sh.c (machine_dependent_reorg): When looking for the
- instruction that sets a register in LOG_LINKS, skip the link if
- REG_NOTE_KIND is not zero.
-
-Wed Jul 10 15:02:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.c (rs6000_got_register): New function to return a pseudo
- register to hold the pic register. Abort if reload is in progress
- or done.
- (num_insns_constant): Allow SFmode and DFmode.
-
- * rs6000.h (CONST_DOUBLE_OK_FOR_LETTER_P): Redo 'G' so that it
- means a constant that takes exactly two insns.
- (rs6000_got_register): Add declaration.
-
- * rs6000.md (movsi_got): Move setup of pic register to
- rs6000_got_register.
- (movsf): If -msoft-float, don't force constants to memory.
- (mov{sf,df} insns): If soft floating point, allow any constant to
- be loaded. Add define_splits that allow the 604 to use both
- integer units for loading constants. Make sure insn length is
- correct.
-
-Tue Jul 9 17:05:10 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.c (easy_fp_constant): All FP constants are considered
- hard for -fpic and hardware floating point, so that the GOT
- register is created.
-
-Tue Jul 9 15:21:27 1996 Jim Wilson <wilson@cygnus.com>
-
- * x-iris6 (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
-
-Mon Jul 8 18:00:33 1996 Jim Wilson <wilson@cygnus.com>
-
- * sh/sh.h (enum reg_class): Add new class GENERAL_FP_REGS.
- (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
-
- * cse.c (note_mem_written): Varying structure memory access with
- AND address can alias scalars.
- * sched.c (true_dependence, anti_dependence, output_dependence):
- Likewise.
-
- * sh.c (calc_live_regs): For pragma_interrupt case, exclude call
- clobbered regs that are fixed, explicitly add MACH_REG and MACL_REG.
-
- * calls.c (expand_call): For assign_stack_temp call in PARALLEL case,
- get mode from type instead of using BLKmode.
- * function.c (aggregate_value_p): If hard_function_value returns
- a non-REG, then return 0.
-
- * mips/mips.c (function_arg): Add explicit checks for FIELD_DECLs.
- (mips_function_value): Add explicit checks for FIELD_DECLs, and save
- them in the array FIELDS. When returning structure with 1 float field,
- enclose it in a PARALLEL and set the PARALLEL mode correctly.
- * mips/mips.md (call_value): Call gen_call_value_multiple_internal0
- only if there are multiple return values. Strip the PARALLEL off
- if there there is only one return value.
-
-Mon Jul 8 16:27:33 1996 Jeffrey A. Law <law@cygnus.com>
-
- * First cut at support for the H8/S.
- * h8300/h8300.c (h8300_init_once): Handle the H8/S (treat it
- like the H8/300H).
- (dosize, adds_subs_operand, one_insn_adds_subs_operand): Likewise.
- (output_adds_subs, const_costs, print_operand): Likewise.
- (output_simode_bld, h8300_adjust_insn_length): Likewise.
- (push_order, pop_order): Reverse.
- (function_prologue): Try to use ldm.l and stm.l insns
- on the H8/S. Minor cleanups.
- (function_epilogue): Likewise.
- (asm_file_start): Emit ".h8300s" when compiling for the H8/S.
- * h8300/h8300.h (CPP_SPEC): Handle the H8/S.
- (TARGET_H8300S): New target.
- (TARGET_SWITCHES): Add "-ms" and "-mno-s".
- (BITS_PER_WORD): Handle the H8/S (treat it like the H8/300H).
- (UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY): Likewise.
- (BIGGEST_ALIGNMENT, BIGGEST_FIELD_ALIGNMENT): Likewise.
- (INITIALIZE_TRAMPOLINE, MOVE_MAX, Pmode): Likewise.
- * h8300/h8300.md: Handle H8/S just like H8/300H
- throughout the entire file.
- * h8300/t-h8300 (MULTILIB_OPTIONS): Build "-ms" libraries
- too.
- (MULTILIB_DIRNAMES): Put H8/S libraries in "h8300s" directory.
- * h8300/lib1funcs.asm: Emit ".h8300s" pseudo-op when generating
- h8300s object files. Otherwise treat the H8/S just like the H8/300H.
- * ginclude/stdarg.h: Handle the H8/S.
- * ginclude/varargs.h: Likewise.
-
-Mon Jul 8 14:50:58 1996 Doug Evans <dje@cygnus.com>
-
- * sparc/sol2.h (LINK_SPEC): Don't pass `-z text' if
- -shared -mimpure-text.
-
-Sun Jul 7 18:03:46 1996 Torbjorn Granlund <tege@noisy.tmg.se>
-
- * m68k/lb1sf68.asm (__udivsi3): Use faster tstw instead of btst.
-
-Thu Jul 4 11:44:39 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * expr.c (get_inner_reference): Delete using alternate mode for
- bitfield; we don't make bitfields anymore if not needed.
-
-Wed Jul 3 18:23:17 1996 Stephen L Moshier (moshier@world.std.com)
-
- * c-common.c (record_function_format): Define as static.
-
- * collect2.c (at SUNOS4_SHARED_LIBRARIES): Fix reference to unistd.h.
-
-Wed Jul 3 17:35:20 1996 Gavin Koch <gavin@cygnus.com>
-
- * c-typeck.c (default_conversion): Add bitfield promotions.
-
-Wed Jul 3 17:09:22 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * gcc.c (default_compilers): Add null entries for languages we
- heard of.
- (main): If found one of those entries, say compiler not installed.
-
-Wed Jul 3 12:52:53 1996 Jeffrey A. Law <law@cygnus.com>
-
- * pa.c (fmpy_operands): Define.
- (combinable_fmpy): New function.
- (combinable_fadd, combinable_fsub): Likewise.
- * pa.md (parallel_addb, parallel_movb): New patterns.
- (fmpyadd, fmpysub): New patterns.
-
- * pa.c (fmpyaddoperands): Tighten checks. Allow SFmode.
- (fmpysuboperands): Similarly.
-
-Tue Jul 2 18:57:15 1996 Jeffrey A. Law <law@cygnus.com>
-
- * pa.c (ireg_or_int5_operand): New function.
- (output_parallel_movb, output_parallel_addb): Likewise.
- (combinable_copy, combinable_add, following_call): Likewise.
- (pa_adjust_insn_length): Handle parallel unconditional branches.
- (output_movb): Handle case were destination is %sar.
- * pa.h: Declare new functions.
- * pa.md (parallel_branch): New "type" attribute.
- (delay slot descriptions): Don't allow "parallel_branches" in
- delay slots. Fill "parallel_branches" like "branch" insns.
- (movb patterns): Handle %sar as destination register.
-
- * expr.c (compare): If function pointers need canonicalization
- before comparisons, canonicalize them.
- (do_store_flag): Do not use an sCC insn for a function pointer
- comparison if function pointers need canonicalization before
- comparing.
-
-Tue Jul 2 17:56:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/sysv4.h ({START,END}FILE_LINUX_SPEC): If -mnewlib is not
- used, use the crtbegin/crtend that 2.7.2 used.
-
-Sat Jun 29 07:10:02 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.h (INIT_EXPANDERS): Define, call rs6000_init_expanders.
- (RS6000_VARARGS_OFFSET): fpmem area no longer next to outgoing
- argument area.
- (STARTING_FRAME_OFFSET): Ditto.
- (STACK_DYNAMIC_OFFSET): Ditto.
- (frame_pointer_needed): Add external declaration.
- (rs6000_{save,restore}_machine_status): Ditto.
- (rs6000_init_expanders): Ditto.
-
- * rs6000.c (rs6000_{save,restore}_machine_status): New functions
- to save and restore the globals needed on a per function basis.
- (rs6000_init_expanders): Initialize globals needed on a per
- function basis, and set up so the above save/restore functions are
- called when processing nested functions.
- (output_epilog): Don't initialize per function globals here.
- (rs6000_stack_info): Change where the fpmem save area is to below
- the local variables, and not just below the outgoing argument
- area.
-
- * rs6000.md (floatsidf2*, fix_truncdfsi2*): Rewrite conversion
- routines to track new location of the fpmem save area. Allocate a
- new base register temp for the routines in case the stack frame is
- more than 32k in size.
-
-Sat Jun 29 05:44:37 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * explow.c (convert_memory_address, case PLUS): Fix error in
- last change.
-
-Fri Jun 28 23:30:48 1996 Jeffrey A. Law <law@cygnus.com>
-
- * reload1.c (choose_reload_regs): Properly mark spill registers
- as in use for inherited reloads.
-
-Fri Jun 28 18:37:20 1996 Stephen L Moshier <moshier@world.std.com>
-
- * objc/sarray.c (ifdef __alpha__): Don't declare `free'.
- * objc/thr-decosf1.c (objc_thread_id): Use pthread_getunique_np
- to obtain a thread ID value.
- (objc_mutex_allocate): Cast mutex->owner to _objc_thread_t.
- (objc_mutex_deallocate): Likewise.
- (objc_mutex_unlock): Likewise.
- (objc_mutex_trylock): Declare thread_id as _objc_thread_t.
- (objc_mutex_lock): Likewise.
- (objc_mutex_unlock): Likewise.
-
- * real.c (asctoeg): `0.0eX' is zero, regardless of the exponent X.
-
-Fri Jun 28 18:33:13 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * vax.md (rotl): Remove extraneous `$'.
-
- * combine.c (previous_num_undos): Deleted variable.
- (MAX_UNDO): Deleted macro.
- (struct undo): New field, next.
- (struct undobuf): Deleted num_undos and undo.
- New fields undos, frees, and previous_undos.
- (SUBST, SUBST_INT): Rework to allocate memory and chain undo entries.
- (combine_instructions): Initialize undobuf.{undos,previous_undos},
- not undobuf.num_undo and previous_num_undos.
- (try_combine): Likewise.
- (undo_all, gen_rtx_combine): Rework to use new data structures.
-
-Fri Jun 28 16:48:25 1996 Scott Christley <scottc@net-community.com>
-
- * objc/sendmsg.c (__objc_block_forward): New function.
- (get_imp, objc_msg_lookup): Use different forwarding function
- when the returning a floating point value.
-
-Fri Jun 28 16:25:25 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * configure: Allow multiple makefile frags.
- (i[3456]86-*-linux*oldld*): Add i386/t-crtstuff as target frag.
- (i[3456]86-*-linux*aout*, i[3456]86-*-linux*): Likewise.
- (m68k-*-linux*aout*): Add t-linux-aout as target frag.
- (m68k-*-linux*): Add t-linux as target frag.
- * Makefile.in (Makefile): xmake_file and tmake_file now already
- contain the $(srcdir)/config prefix.
-
- * config/t-linux (BOOT_CFLAGS): Removed, no longer necessary.
- (CRTSTUFF_T_CFLAGS): Don't define.
- (CRTSTUFF_T_CFLAGS_S): Define this instead.
- * config/t-linux-aout (BOOT_CFLAGS): Removed.
- * m68k/t-linux: Remove variables now in t-linux.
-
-Fri Jun 28 15:06:05 1996 John F. Carr <jfc@mit.edu>
-
- * alpha.c (alpha_emit_conditional_move): Emit correct code when
- incoming comparison code is NE.
-
-Fri Jun 28 14:35:45 1996 J.T. Conklin <jtc@hippo.cygnus.com>
-
- * c-decl.c (init_decl_processing): Register __builtin_memset
- and memset as builtin functions.
- * expr.c (expand_builtin, case BUILTIN_MEMSET): Open code memset
- where val == 0.
-
-Fri Jun 28 14:10:03 1996 Richard Henderson <rth@tamu.edu>
-
- * alpha/linux.h (FUNCTION_PROFILER): _mcount has non-standard linkage.
- * alpha/elf.h (LINK_SPEC): Bring emulation name into sync
- with Cygnus snapshot.
-
- * alpha.h ({MASK,TARGET}_BUILD_CONSTANTS): New macros.
- (TARGET_SWITCHES): New target option build-constants.
- * alpha.c (alpha_emit_set_long_const): New function.
- * alpha.md (movdi): Call it.
- * expmed.c (expand_mult_highpart): Use op1 not wide_op1 in
- expansion of mul_highpart.
-
- * alpha.c (output_{pro,epi}log): Flag_inhibit_size_directive
- should supress .ent, .end, and accompanying directives.
- (alpha_output_lineno): Fix polarity on GAS test.
- * alpha.h (NO_DBX_FUNCTION_END): New macro.
- * dbxout.c (dbxout_function): Respect NO_DBX_FUNCTION_END.
- * alpha/elf.h: New file.
- * alpha/linux.h (INITIALIZE_TRAMPOLINE): New definition.
- * alpha/xm-linux.h (HAVE_STRERROR): Define.
- * configure (alpha*-linux*ecoff*): New target, was alpha-*-linux*.
- (alpha-*-linux*): Use elf.h.
- * crtstuff.c (init_dummy): Only i386-linux (at most)
- needs ___brk_addr hack.
-
-Thu Jun 27 20:23:30 1996 Jon Buller (jonb@metronet.com)
-
- * ns32k.c (split_di): New; from i386.c.
- * ns32k.md (adddi3, subdi3, negdi3): New patterns.
-
-Thu Jun 27 19:42:50 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * combine.c (force_to_mode, case NE): Fix typo and logical error.
- (simplify_comparison): Don't swap args if op1 is CONST_INT.
-
-Thu Jun 27 18:49:35 1996 Jim Wilson <wilson@cygnus.com>
-
- * expmed.c (extract_bit_field): Check TRULY_NOOP_TRUNCATION before
- making a SUBREG of a REG.
-
-Thu Jun 27 11:03:59 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * mips/mips.h (CC1_SPEC): Put spaces between the -mips* cases.
- * mips/osfrose.h (CC1_SPEC): Likewise.
-
- * sh/sh.c (output_branch): Don't call ADJUST_INSN_LENGTH if the
- insn is inside a sequence.
-
-Wed Jun 26 19:09:43 1996 Jeffrey A. Law <law@cygnus.com>
-
- * pa/pa.h (CMP_PSI): Delete.
- (FUNCTION_POINTER_COMPARISON_MODE): Likewise.
- * pa/pa.md (cmppsi); Delete expander.
- (canonicalize_funcptr_for_compare): Renamed from plabel_dereference,
- turned into an expander + anonymous pattern.
-
-Tue Jun 25 22:36:11 1996 Doug Evans <dje@seba.cygnus.com>
-
- * gcc.c (PEXECUTE_VERBOSE): Define.
- (execute): Pass PEXECUTE_VERBOSE to pexecute if -v.
-
-Tue Jun 25 12:23:54 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.h (FINALIZE_PIC): Define to call rs6000_finalize_pic.
- (rs6000_finalize_pic): Add declaration.
- (svr4_traceback): Delete unused declaration.
-
- * rs6000.md (movsi_got): Don't emit gen_init_v4_pic insn.
- (V.4 call insns): Do not use @plt for PIC calls.
-
- * rs6000.c (print_operand_address): Handle LABEL_REF just like
- SYMBOL_REF.
- (rs6000_finalize_pic): Define, emit the gen_init_v4_pic insn
- before all other insns if needed for V.4 PIC calls.
-
- * eabi-ci.asm (_GLOBAL_OFFSET_TABLE_): Do not provide a default
- definition, since it interferes with the linker generated version.
-
-Tue Jun 25 01:17:50 1996 Jeffrey A. Law <law@cygnsu.com>
-
- * h8300/h8300.c (function_prologue): Update "monitor" prologues.
- (function_epilogue): Similarly.
-
- * pa/pa.h (PARSE_LDD_OUTPUT): Handle dynamic libraries that are
- loaded "statically".
-
-Mon Jun 24 19:48:36 1996 Joel Sherrill <joel@merlin.gcs.redstone.army.mil>
-
- * configure ({i386,i960,m68k,powerpc,sparc}-rtems): New targets.
- * i386/go32-rtems.h, i386/i386-rtems.h: New files.
- * i960/i960-rtems.h: New file.
- * m68k/m68k-rtems.h: New file.
- * rs6000/powerpc-rtems.h: New file.
- * sparc/sparc-rtems.h: New file.
-
-Mon Jun 24 23:09:22 1996 Paul Eggert <eggert@twinsun.com>
-
- * cccp.c: (create_definition): Diagnose `#define #' only once.
-
-Mon Jun 24 11:42:58 1996 Jim Wilson <wilson@cygnus.com>
-
- * i386/cygwin32.h, rs6000/cygwin32.h (CPP_PREDEFINES): For consistency,
- change to define WIN32, WINNT, and CYGWIN32.
-
-Mon Jun 24 10:46:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.md (floatsidf2*): Move the xor of the argument into the
- define_insn, since it confuses inline function expands.
-
-Fri Jun 21 20:40:17 1996 Jim Wilson <wilson@cygnus.com>
-
- * mips.md (call_internal1, call_value_internal1): Delete obsolete code.
- (call_internal2, call_value_internal2, call_value_multiple_internal2):
- Delete obsolete code. Explicitly load SYMBOL_REF into register.
- (call_value): Change Pmode to SImode in gen_call_value_internal0 call.
-
-Thu Jun 20 12:20:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * configure (*-aix*): If building a cross compiler, use t-xnewas
- instead of t-newas.
-
- * rs6000.c (num_insns_constant_wide): Fix typo if HOST_WIDE_INT
- has more than 32 bits.
-
-Wed Jun 19 17:50:33 1996 Richard Henderson <richard@atheist.tamu.edu>
-
- * combine.c (move_deaths): New parameter maybe_kill_insn.
- Don't move note if reg killed by maybe_kill_insn.
- (try_combine): Pass new arg to move_deaths.
-
-Wed Jun 19 10:44:47 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * toplev.c (flag_keep_static_consts): Define.
- (f_options): Add "keep-static-consts" entry.
- (compile_file): Check it in addition to !optimize for emitting
- static const variables.
-
-Tue Jun 18 23:37:20 1996 Doug Evans <dje@cygnus.com>
-
- * i386/cygwin32.h (ASM_OUTPUT_SOURCE_LINE): Local symbols begin with L.
-
-Tue Jun 18 12:00:11 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * varasm.c (asm_output_aligned_bss): Don't emit a skip of size 0.
-
-Tue Jun 18 06:24:28 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * integrate.c (expand_inline_function): Add missing call to
- force_operand when getting structure_value_addr into reg.
-
- * alpha.c (override_options): Allow EV4/5 or 21064/21164 for cpu.
- Clean up handling of floating-point options.
- * alpha.h (TARGET_SWITCHES): Have all -mieee options turn
- on MASK_IEEE_CONFORMANT.
- (TARGET_DEFAULT): Use symbolic value.
- * alpha.md: When not involving named pattern, update condition
- to include alpha_tp != ALPHA_TP_INSN.
- Don't do float_extend as part of other pattern when ALPHA_TP_INSN.
- (extendsfsd2): Split into two patterns, depending on
- value of alpha_tp.
-
- * mips/iris6.h (ASM_SPEC): Treat -o32 as -32 and -n64 same as -64.
- * mips.c (override_options): Likewise.
-
- * genattrtab.c (fatal): Declare A1 and A2 as char *.
-
- * function.c (find_temp_slot_from_address): Check for overlap
- from BASE_OFFSET if X is PLUS of virtual_stack_vars_rtx and const.
-
- * flow.c (flow_analysis): Fix typo in last change.
-
- * expr.c (expand_builtin, case BUILT_IN_{SET,LONG}JMP): Properly
- handle case when ptr_mode != Pmode.
-
- * combine.c (try_combine): Don't use split if dest of new I2
- is used between I2 and I3.
-
- * c-typeck.c (pointer_int_sum): Convert integer to both signedness
- and precision of sizetype.
- * explow.c (convert_memory_address, case PLUS, MULT): Don't commute
- operation with extension if not adding small integer.
-
- * Makefile.in (BOOT_LANGUAGES): New variable.
- (bootstrap): Use it to select languages for stage1.
- * configure (extra_host_objs): New variable.
- Separate files needed for target and host and concatenate list.
- (extra_gcc_objs): Use setting for host, not target.
- (objc_thread_file): Start with it as null, then don't include "thr-".
- Print name of file after others and in same format.
- (alpha-*-winnt*, i[3456]86-*-winnt): oldnames.o is in extra_host_objs.
- (all_boot_languages): New variable.
- Set from boot_language variable in config-lang.in.
- Defines value of BOOT_LANGUAGES in Makefile.
- (Makefile): Set target to the canonical form of target.
-
-Mon Jun 17 22:37:07 1996 Mike Meissner <meissner@rtl.cygnus.com>
-
- * rs6000/win-nt.h (ASM_DECLARE_FUNCTION_NAME): Put function
- descriptor in .reldata, not .text.
-
-Mon Jun 17 16:05:34 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * ginclude/stddef.h (wint_t): Don't wrap with #ifndef __cplusplus.
-
-Mon Jun 17 15:03:20 1996 Jim Wilson <wilson@cygnus.com>
-
- * mips.c (mips_split_addresses): New variable.
- (simple_memory_operand): Add comment about mode check. Add check
- for LO_SUM.
- (call_insn_operand): OP is now an addresses instead of a MEM.
- (move_operand, mips_check_split): New functions.
- (mips_count_memory_refs): Add check for LO_SUM.
- (mips_move_1word): Add HIGH support.
- (mips_address_cost): Delete check for HIGH.
- (output_block_move): Handle LO_SUM addresses.
- (override_options): Set mips_split_addresses.
- (print_operand_address): Add LO_SUM support.
- * mips.h (mips_split_addresses, mips_check_split, move_operand):
- New declarations
- (GO_IF_LEGITIMATE_ADDRESS): Reject constant addresses when
- mips_split_addresses is TRUE. Add LO_SUM support.
- (LEGITIMIZE_ADDRESS): Add LO_SUM support.
- (PREDICATE_CODES): Modify call_insn_operand support. Add
- move_operand.
- * mips.md (memory): Change r4100/r4300 support.
- (imuldiv): Add r4300 support.
- (high, low): New patterns.
- (movsi, movdi): Add LO_SUM support.
- (movsi_internal1, movsi_internal2): Use move_operand instead of
- general_operand.
- (movstrsi_internal, movstrsi_internal2): Delete R constraint.
- (call, call_value): Pass address instead of MEM to call_insn_operand.
- Call gen_call_{value_}internal0 instead of internal1.
- (call_internal0, call_value_internal0, call_multiple_internal0):
- New patterns.
- (call_internal1, call_internal2, call_value_internal1,
- call_value_internal2, call_value_multiple_internal2): Add explicit
- MEM before target address.
-
-Sun Jun 16 23:05:16 1996 Jeffrey A. Law <law@cygnus.com>
-
- * configure (hppa*-hp-hpux10*): Use new pa-hpux10 configuration file.
- (hppa*-hp-hpux*): Use hpux9 configuration files by default.
- * pa/pa-hpux10.h: New file.
- * pa/pa-ghpux9.h: Deleted. No longer used.
-
-Sat Jun 15 04:35:51 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
-
- * i386/gnu.h (LINK_SPEC): Remove -rpath /lib/ option.
- Ignore -ibcs option.
-
-Thu Jun 13 14:49:41 1996 Jim Wilson <wilson@cygnus.com>
-
- * gen-protos.c (main): Change argv[i] to argv[0][i].
-
-Thu Jun 13 10:46:24 1996 Doug Evans <dje@cygnus.com>
-
- * gcc.c (pfatal_pexecute): Delete code to check errno < sys_nerr.
-
-Wed Jun 12 21:47:10 1996 Eliot Dresselhaus <dresselh@rft30.nas.nasa.gov>
-
- * alpha.c (alpha_cpu, alpha_cpu_string): New variables.
- (override_options): Process -mcpu= value.
- (alpha_adjust_cost): Handle adjustments for EV5.
- * alpha.h (enum processor_type): New enum.
- (alpha_cpu, alpha_cpu_string): New declarations.
- (target_options): Add "cpu=".
- (RTX_COSTS): Adjust values for EV5.
- * alpha.md: Add scheduling rules for EV5.
-
-Tue Jun 11 17:51:03 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * c-common.c (check_format_info): Change text of message about use
- of `0' with precision.
-
-Tue Jun 11 15:14:10 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.h (TARGET_SCHEDULE_PROLOGUE): New. Allows prologue to
- be emitted as asm or rtl.
-
- * i386.c (function_prologue): Emit prologue as asm.
- (override_options): Don't emit rtl for prologue if -fpic.
-
-Tue Jun 11 14:41:01 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/eabi.asm (__eabi): Fix normal code so that it properly
- loads up r2/r13 if needed again.
-
- * rs6000/sysv4.h (CPP_ENDIAN_SPEC): Call cpp_endian_default, not
- cpp_endian_default_spec.
-
-Mon Jun 10 15:10:56 1996 Jeffrey A. Law <law@cygnus.com>
-
- * local-alloc.c (update_equiv_regs): Ignore insns that read or
- write registers that are likely to be spilled.
-
- * pa.h (cmp_type): Add CMP_PSI.
- (FUNCTION_POINTER_COMPARISON_MODE): Define.
- * pa.md (cmppsi): New expander.
- (plabel_dereference): New pattern
-
-Mon Jun 10 14:56:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/sol2.h (SKIP_ASM_OP): Delete, Solaris accepts .space,
- like rest of PowerPC V4 ports.
-
- * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Emit .lcomm if not
- using the .sbss area. If using the .sbss area, put out
- appropriate .size directive.
-
-Mon Jun 10 14:53:38 1996 Doug Evans <dje@cygnus.com>
-
- Move fork/exec/wait handling into file of its own.
- * pexecute.c: New file.
- * Makefile.in (pexecute.o): Add rule.
- (xgcc): Link in pexecute.o.
- (protoize,unprotoize): Likewise.
- * gcc.c (_WIN32): Don't include process.h or declare spawnv{,p}.
- (pexecute,pwait): Add prototypes.
- (PEXECUTE_{FIRST,LAST,SEARCH}): Define.
- (execv,execvp): Delete decls.
- (perror_exec): Delete.
- (pfatal_pexecute): New function.
- (pexecute support): Delete.
- (execute): -pipe not supported if _WIN32 or OS2.
- Update call to pexecute. Fatal error if pexecute fails. Call pwait.
- * protoize.c: Include gansidecl.h.
- (my_execvp): Delete.
- (choose_temp_base,pexecute,pwait): Declare.
- (PEXECUTE_{FIRST,LAST,SEARCH}): Define.
- (execvp): Delete decl.
- (usage): Fix typo.
- (gen_aux_info_file): Rewrite to use pexecute/pwait.
-
- * gcc.c (do_spec_1): Allow leading text in version string.
- Delete support for default minor number = 0.
-
-Mon Jun 10 11:49:53 1996 Scott Christley <scottc@net-community.com>
-
- * objc/Makefile (libobjc.a): Don't delete the library.
-
- * objc/thr.h (objc_set_thread_callback): New function.
- (objc_thread_callback): Typedef for the hook function.
- * objc/thr.c (__objc_thread_detach_function): Clear thread storage.
- Call the thread hook function when first becoming multi-threaded.
- (objc_set_thread_callback): New function.
-
- * objc/selector.c (__sel_register_typed_name): Additional parameter
- that indicates whether name and type parameters are constant or not.
- * objc/runtime.h (__sel_register_typed_name): Likewise.
- * objc/init.c (__sel_register_typed_name): Likewise.
-
- * objc/init.c (__objc_init_protocols): Need to unlock mutex.
-
-Mon Jun 10 11:44:44 1996 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
-
- * sparc/t-sol2 (gmon.o): Depend on stmp-int-hdrs.
- (crt1.o, crti.o, crtn.o, gcrt1.o): Depend on $(GCC_PASSES).
-
-Mon Jun 10 11:29:46 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * flow.c (flow_analysis, find_basic_blocks): Ignore
- nonlocal_label_list for CALL_INSN that has a REG_RETVAL.
-
- * c-common.c (decl_attributes, case A_T_UNION): Don't look at fields
- of union if there aren't any.
-
-Sat Jun 8 22:13:33 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.c (ix86_expand_prologue): Keep pic register load ahead
- of reference which may use a pic register.
-
-Sat Jun 8 22:13:33 1996 Jim Wilson <wilson@cygnus.com>
-
- * i386.md (strlensi_unroll4, strlensi_unroll5): Use + not =& for
- constraint for input/output operand 2.
-
-Sat Jun 8 22:13:33 1996 J"orn Rennecke (amylaar@meolyon.hanse.de)
-
- * i386.h (CONST_COSTS): Even integer constants have a cost.
- (RTX_COSTS): Take costs of subexpressions into account.
- If a multiply is actually a shift, use the cost of the shift.
- * i386/unix.h (SHIFT_DOUBLE_OMITS_COUNT): New macro.
- * i386/{gas, next, seq-gas}.h (SHIFT_DOUBLE_OMITS_COUNT): Redefine
- as zero.
- * i386.c (print_operand): new letter 's'.
-
-Sat Jun 8 15:13:33 1996 Jim Wilson <wilson@cygnus.com>
-
- * mips/mips.c (override_options): Add vr4100 and vr4300 support.
- * mips/mips.h (enum processor_type): Likewise.
- (MASK_4300_MUL_FIX, TARGET_4300_MUL_FIX): New macros.
- (TARGET_SWITCHES): Add -mfix4300 option.
- * mips/mips.md (cpu, memory, imuldiv, adder, mult, divide): Add
- vr4100 and vr4300 support.
- (muldf3, mulsf3): Add vr4300 support.
- (muldf3_internal, muldf_r4300, mulsf3_internal, mulsf_r4300): New
- patterns.
-
-Sat Jun 8 14:35:23 1996 David Edelsohn <edelsohn@mhpcc.edu>
-
- * toplev.c (main): Re-enable -gxcoff+.
-
-Sat Jun 8 14:20:14 1996 J.T. Conklin <jtc@rtl.cygnus.com>
-
- * m68k/lb1sf68.asm (__{eq,ne,gt,lt,ge,le}{df,sf}2): Removed
- extraneous comments, constants, labels, etc.
-
- * m68k/altos3068.h (TARGET_DEFAULT): Use MASK_* macros
- instead of explicit constants in definitions or conditionals.
- * m68k/{apollo68, aux, ccur-GAS, dpx2, hp320, hp3bsd}.h: Likewise.
- * m68k/{hp3bsd44, isi-nfp, isi, linux-aout, linux}.h): Likewise.
- * m68k/{lynx-ng, lynx, m68k-none, m68k-psos, m68kv4}.h): Likewise.
- * m68k/{mot3300, netbsd, news, next, pbb, plexus, sun2o4}.h): Likewise.
- * m68k/{sun3, sun3n, tower}.h): Likewise.
-
-Sat Jun 8 13:55:23 1996 Matthias Pfaller (leo@marco.de)
-
- * ns32k.md (define_insns for ffs[qhs]i2): Deleted.
- (define_expand for ffssi2): New pattern.
-
-Sat Jun 8 13:44:14 1996 Stephen L Moshier (moshier@world.std.com)
-
- * reload.c (find_equiv_reg): Set need_stable_sp if GOAL is the
- stack pointer.
-
-Sat Jun 8 13:36:05 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * function.c (fixup_var_refs_1, case SIGN_EXTEND): Handle
- paradoxical SUBREGs as first operand.
- (fixup_var_regs_1, case SET): Handle paradoxical SUBREGs as
- first operand of a ZERO_EXTRACT in SET_DEST.
-
- * c-common.c (enum attrs): Add A_FORMAT_ARG.
- (init_attribute): Initialize it.
- (decl_attributes, case A_FORMAT): Clean up error messages.
- (decl_attributes, case A_FORMAT_ARG): New case.
- (struct international_format_info): New structure and typedef.
- (international_format_list): New variable.
- (record_international_format): New function.
- (init_format_info): Call it for gettext, dcgettext, and dcgettext.
- (check_format_info): See if format arg is call to
- internationalization function.
-
-Fri Jun 7 20:04:40 1996 Jim Wilson <wilson@cygnus.com>
-
- * gcc.c (MULTILIB_SELECT): Delete definition.
- (multilib_select): Delete static initializer.
- (multilib_obstack, multilib_raw): New global variables.
- (multilib.h): Include inside multilib_raw definition.
- (main): Set multilib_select from multilib_raw.
- * genmultilib: Change output to be a sequence of short strings
- separated by commas rather than a single long macro definition.
-
- * cse.c (simplify_binary_operation, case MULT): Check for case
- where width is larger than HOST_BITS_PER_WIDE_INT, and upper most
- bit is set. We can not generate a simple shift in this case.
-
- * gsyms.h (enum sdb_type): Add T_LNGDBL if EXTENDED_SDB_BASIC_TYPES.
- (enum sdb_masks): Add EXTENDED_SDB_BASIC_TYPES masks.
- * sdbout.c (gsyms.h): Include if CROSS_COMPILE is defined.
- (plain_type_1): Use TYPE_PRECISION instead of TYPE_SIZE.
- Add check for LONG_DOUBLE_TYPE_SIZE if EXTENDED_SDB_BASIC_TYPES.
- * i960/i960.h (EXTENDED_SDB_BASIC_TYPES): Define.
- (PUT_SDB_TYPE): Delete now unnecessary shifting and masking.
-
- * i960/i960.h (i960_output_move_{double,quad}): Declare.
-
-Fri Jun 7 19:22:09 1996 Scott Christley <scottc@net-community.com>
-
- * Makefile.in (OBJC_THREAD_FILE): New variable.
- * configure (objc_thread_file): Set new variable to appropriate
- values based upon target operating system; default is `thr-single'.
- * objc/Makefile (OBJC_THREAD_FILE): Add target and dependency.
- (thr.o): Remove OS specific thread files as dependencies.
- * objc/thr-decosf1.c: Now compiles as a separate source file, so
- include appropriate Objective-C headers.
- * objc/thr-{mach,os2,posix,irix,single,solaris,win32}.c: Likewise.
- * objc/thr.c: Remove inclusion of source files.
- * objc/thr.h (__objc_thread_exit_status): Declare global variable.
- * objc/thr-pthreads.c: New file.
-
-Fri Jun 7 19:04:04 1996 J.T. Conklin <jtc@rtl.cygnus.com>
-
- * m68k.h (TARGET_SWITCHES): Treat -m68302 like -m68000 and -m68332
- like -m68020; remove -mno-68302 and -mno-68332.
-
-Fri Jun 7 12:06:12 1996 Per Bothner <bothner@deneb.cygnus.com>
-
- * expr.c (safe_from_p): Allow Chill-style variable-sized arrays.
-
-Thu Jun 6 23:11:11 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300.c (h8300_monitor_function_p): New function.
- (h8300_os_task_function_p): Likewise.
- (os_task, monitor): Variables to note if the current
- function is an os_task or monitor.
- (function_prologue): Set monitor and/or os_task as needed. Handle
- os_task and monitor functions.
- (function_epilogue): Clear monitor and os_task. Handle os_task and
- monitor functions.
- (h8300_valid_machine_decl_attribute): Accept "OS_Task" and
- "monitor".
-
-Thu Jun 6 20:01:54 1996 Per Bothner <bothner@cygnus.com>
-
- * gen-protos.c (progname): New variable (needed by cppalloc.c).
- (main): Set progname.
-
- * cpplib.h (struct parse_file): Removed.
- (CPP_FATAL_LIMIT, CPP_FATAL_ERRORS, CPP_OUT_BUFFER): New macros.
- * cpphash.c (cpp_lookup): Change struct parse_file -> cpp_reader.
-
- * cpplib.c (init_parse_option): Renamed to cpp_options_init.
- (push_parse_file): Renamed to ...
- (cpp_start_read): Change to return 1 on success, 0 on failure.
- (init_parse_file): Renamed to cpp_reader_init.
- * cppmain.c (main): Use CPP_SET_WRITTEN and cpp_fatal.
- Use renamed function names, and return protocols.
- * fix-header.c (read_scan_file): Likewise.
-
- * cpperror.c (cpp_message): Generalize for "fatal" errors.
- (cpp_fatal): New function (just calls cpp_message).
- * cpplib.c (cpp_start_read, cpp_handle_options, cpp_finish,
- parse_goto_mark, parse_move_mark): Use cpp_fatal rather than fatal.
-
- * fix-header.c (check_macro_names): Fix struct parse_file->cpp_reader.
- * cpplib.c (newline_fix): Remove unused function.
-
-Thu Jun 6 19:47:26 1996 Jim Wilson <wilson@cygnus.com>
-
- Changes to support parameters and return values in multiple
- non-contiguous locations.
- * calls.c (expand_call): Handle NIL in PARALLEL. Handle PARALLEL
- parameter in REG. Handle PARALLEL return value in VALREG.
- (emit_library_call, emit_library_call_value): Abort for PARALLEL.
- (store_one_arg): Delete code for handling EXPR_LIST.
- * expr.c (emit_group_load, emit_group_store): New functions.
- (use_group_regs): New function.
- (emit_push_insn): Handle PARALLEL parameter in REG.
- (expand_assignment): Handle PARALLEL to_rtx.
- (store_expr): Handle PARALLEL target.
- * expr.h (emit_group_load, emit_group_store, use_group_regs): New
- declarations.
- * function.c (assign_parms): Handle PARALLEL parameter in ENTRY_PARM.
- * stmt.c (expand_value_return): Handle PARALLEL return_reg.
-
- * mips/abi64.h (TYPE_DEPENDENT_REG): Delete.
- * mips/mips.c (function_arg): Return PARALLEL for structure with
- aligned double fields.
- (type_dependent_reg): Delete.
- (mips_function_value): Return PARALLEL for structure
- with two floating point fields.
- * mips/mips.md (call_value): Handle PARALLEL in operands[0].
- (call_value_multiple_internal2): New pattern.
- * pa/pa.h (FUNCTION_ARG): General PARALLEL instead of EXPR_LIST.
- * rs6000/rs6000.c (init_cumulative_args): Change EXPR_LIST to PARALLEL
- in comments.
- (function_arg): Generate PARALLEL instead of EXPR_LIST.
-
-Thu Jun 6 18:21:27 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * function.c (assign_parms): Tighten up code that makes REG_EQUIV
- notes for parms.
-
- * fold-const.c (fold): Don't do anything with evaluated SAVE_EXPR.
-
-Thu Jun 6 17:54:07 1996 J.T. Conklin <jtc@cygnus.com>
-
- * m68k.h (TARGET_SWITCHES): Group all floating point options.
- When an fp option is selected, unset bits used for other mutually
- exclusive fp options.
- (OVERRIDE_OPTIONS): Remove special case for SUPPORT_SUN_FPA;
- bits used for 68881 and SKY are now cleared by TARGET_SWITCHES.
-
- * m68k.md (movsi_const0, movhi): Favor clr with TARGET_5200.
- (add[qhs]3): Don't use two addqw/subqw insns to add small integers to
- an address register with TARGET_68060.
- (stack push peephole): Use moveq.l with TARGET_5200 (when appropriate).
-
- * m68k.h (MASK_5200, TARGET_5200): New macros.
- (TARGET_SWITCHES): Add "m5200".
- (LEGITIMATE_INDEX_P): Add TARGET_5200 to conditional expression.
- * m68k.c (const_method): Do not synthesize long constants
- with byte or word operations with TARGET_5200.
- * m68k.md: Disable byte and word arithmetic, rotate, integer
- divide, dbcc, etc. insns for TARGET_5200.
- * m68k-none.h: (CPU_FPU_SPEC, CPP_SPEC, ASM_SPEC): Support m5200.
-
-Thu Jun 6 17:32:32 1996 Paul Eggert <eggert@twinsun.com>
-
- * fixproto (subdirs): Work around Solaris 2.5
- /usr/xpgr/bin/sed problem with \+\+.
-
-Thu Jun 6 15:06:27 1996 Jim Wilson <wilson@cygnus.com>
-
- * c-decl.c (grokdeclarator): Call pop_obstacks after creating
- TYPE_DECL.
-
- * loop.c (strength_reduce): If HAVE_cc0 defined, disable auto_inc_opt
- if it would put an insn between a cc0 setter/user pair.
-
-Thu Jun 6 13:06:54 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/sysv4.h (LIBGCC2_WORDS_BIG_ENDIAN): If __sun__ is
- defined, treat that as little endian.
-
-Wed Jun 5 20:04:53 1996 Jim Wilson <wilson@cygnus.com>
-
- * i960/i960.h (ROUND_TYPE_ALIGN): Add check for TYPE_PACKED.
-
- * sh/sh.h (SHORT_IMMEDIATES_SIGN_EXTEND): Define.
- * sh/sh.md (branch_true): Add comment about T-bit compares.
-
-Tue Jun 4 23:08:34 1996 Per Bothner <bothner@deneb.cygnus.com>
-
- * cpplib.h, cpplib.c: Remove support for !STATIC_BUFFERS.
- * cpplib.h: Use unsigned char rather than U_CHAR.
- * cpplib.h (cpp_reader): Add destructor #ifdef __cplusplus.
- (cpp_cleanup): New prototype.
- * cpplib.c (special_symbol, do_once, do_include, cpp_get_token):
- Compare cpp_buffer against CPP_NULL_BUFFER, not NULL.
-
- * cpplib.c (dump_special_to_buffer): New function.
- (initialize_builtins): Use it.
-
-Wed Jun 5 19:10:22 1996 Jeffrey A. Law <law@cygnus.com>
-
- * pa/pa.h (TEXT_SPACE_P): Fix thinko in last change.
-
-Wed Jun 5 16:25:51 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.h (ASM_DEFAULT_SPEC): Default to "", not -mpwr.
-
- * sysv4.h (SUBTARGET_SWITCHES): Add -mshlib.
- (LINK_PATH_SPEC): Add -compat-bsd support from Solaris.
- (LINK_SPEC): Eliminate %{b} and %{G}, since they conflict with GCC
- switches. Defer shared library support to LINK_SHLIB_SPEC. Defer
- target selection to LINK_TARGET_SPEC.
- (LINK_SHLIB_SPEC): Provide two different versions, depending on
- whether shared libraries are default or not. Make shared
- libraries not default until linker is fixed.
- (LINK_OS_*_SPEC): New specs for OS specific linker switches.
- (SUBTARGET_EXTRA_SPECS): Add new specs.
-
- * {sol2,sysv4}.h (LINK_SPEC): Move Solaris link into the general
- link spec.
-
- * {sysv4,sysv4le,eabile}.h (LINK_TARGET_SPEC): Only pass -oformat
- to the linker if the user is changing the default endian format.
-
- * {sol2,linux,eabisim,eabilesim}.h (LINK_OS_DEFAULT_SPEC): Define
- to use the appropriate OS link spec.
-
-Wed Jun 5 16:35:10 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * ginclude/stddef.h: Fix typo: TYPE_ptrdiff_t to _TYPE_ptrdiff_t.
-
-Wed Jun 5 15:52:57 1996 Per Bothner <bothner@kalessin.cygnus.com>
-
- * varasm.c (output_constructor): Handle RANGE_EXPR in array index.
-
-Wed Jun 5 13:45:54 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * sparc.md (*call_{address,symbolic}_struct_value_sp32): Allow
- operand 2 to be const0_rtx.
-
-Tue Jun 4 16:43:44 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * varasm.c (make_decl_rtl): Don't update DECL_ASSEMBLER_NAME for
- local statics.
-
- * c-decl.c (start_decl): Always set DECL_COMMON on statics.
- * varasm.c (assemble_variable): Only treat vars with DECL_COMMON
- as common.
-
-Tue Jun 4 14:55:49 1996 Jeffrey A. Law <law@cygnus.com>
-
- * pa.c (reloc_needed): New function.
- * pa.h (TEXT_SPACE_P): Variables/constants with initializers
- requiring relocs never live in the text space.
-
-Tue Jun 4 14:10:46 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * sh.c (fp_zero_operand): Do not accept minus zero.
-
- * sh.h (ASM_OUTPUT_LOOP_ALIGN): Define.
- (ASM_OUTPUT_ALIGN_CODE): Define.
- (ADJUST_INSN_LENGTH): Add in bytes that may be added by
- alignment.
- * sh.c (output_branch): Run ADJUST_INSN_LENGTH in reverse to get
- correct length. Just call abort rather than returning "bad".
- (find_barrier): Adjust limits for possible alignment.
-
-Tue Jun 4 09:35:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/t-solaris: New target config file for PowerPC Solaris
- without gas.
-
- * rs6000/t-ppc: Eliminate all multilib varients except for
- software floating point.
-
- * configure (powerpcle-*-solaris*): If not --with-gnu-as, use
- t-solaris, not t-ppc.
-
- * rs6000/sol2.h (MULTILIB_DEFAULTS): Add correct defaults for
- Solaris.
-
- * rs6000/sysv4.h (ASM_OUTPUT_SECTION_NAME): Clone from svr4.h, omit
- @progbits, since Solaris assembler doesn't like it.
- (LIB_SOLARIS_SPEC): If -msolaris-cclib, add libabi.a.
- ({START,END}FILE_SOLARIS_SPEC): If -msolaris-cclib, use explicit
- pathnames for the Solaris compiler start/end files.
- (ASM_SPEC): Pass -mno-regnames to the assembler.
-
-Mon Jun 3 19:40:10 1996 Jim Wilson <wilson@cygnus.com>
-
- * mips/abi64.h (CPP_SPEC): Make -mabi=n32 the default.
- * mips/iris6.h (MIPS_ISA_DEFAULT, MIPS_ABI_DEFAULT, MULTILIB_DEFAULTS,
- ASM_SPEC, STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
- * mips.md (tablejump_internal4+1): Fix typo in condition.
- * mips/x-iris6 (CC, OLDCC): Define to be `cc -32'.
-
-Mon Jun 3 07:57:35 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * tree.def ([LR]SHIFT_EXPR): Remove `a' from printed names.
-
- * sparc.md (call): Mask unimp operand to 12 bits, just like Sun.
-
- * expr.c (store_field): Fix typo in last change; update TARGET addr.
-
- * c-decl.c (start_struct): Set TYPE_PACKED from flag_pack_struct.
- (start_enum): Likewise but from flag_short_enums.
- (finish_enum): Test TYPE_PACKED, not flag_short_enums.
- * stor-layout.c (layout_decl): Test DECL_PACKED and TYPE_PACKED
- instead of flag_pack_struct.
- (layout_record): Likewise.
-
-Sun Jun 2 19:41:14 1996 Jim Wilson <wilson@cygnus.com>
-
- * mips.md (tablejump_internal3, tablejump_internal4): New patterns.
- (tablejump): Use them for PIC code.
-
-Fri May 31 17:26:53 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.c (ix86_expand_epilogue): Don't generate references to an
- exposed vacated stack.
- * i386.md (epilogue_set_stack_ptr): New.
-
-Fri May 31 15:07:49 1996 Jim Wilson <wilson@cygnus.com>
-
- * mips/abi64.h: Add -mabi=n32 support.
- (ABI_64BIT): Delete.
- (TARGET_LONG64, CPP_SPEC, STACK_BOUNDARY, MIPS_STACK_ALIGN,
- GP_ARG_LAST, FP_ARG_LAST, SUBTARGET_CONDITIONAL_REGISTER_USAGE,
- MAX_ARGS_IN_REGISTER, FUNCTION_ARG_PADDING, RETURN_IN_MEMORY,
- SETUP_INCOMING_VARARGS): Modify.
- (REG_PARM_STACK_SPACE): Ifdef out.
- (TARGET_DEFAULT, SUBTARGET_TARGET_OPTIONS): Define.
- * mips/iris6.h: Add -mabi=n32 support.
- (TARGET_DEFAULT, ASM_OUTPUT_INTERNAL_LABEL,
- ASM_GENERATE_INTERNAL_LABEL): Delete.
- (MULTILIB_DEFAULTS, ASM_SPEC, EXTRA_SECTION_FUNCTIONS,
- ASM_OUTPUT_ALIGNED_LOCAL, STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC):
- Modify.
- (MIPS_ABI_DEFAULT, LOCAL_LABEL_PREFIX): Define.
- * mips/mips.c: Add -mabi=n32 support.
- (mips_const_double_ok, mips_move_1word, mips_move_2words,
- function_arg, override_options, mips_asm_file_start,
- compute_frame_size, save_restore_insns, function_prologue,
- mips_expand_prologue, function_epilogue, mips_function_value): Modify.
- (mips_abi, mips_abi_string): Define
- * mips/mips.h: Add -mabi=n32 support.
- (ABI_64BIT): Delete.
- (TARGET_OPTIONS, INITIAL_ELIMINATION_OFFSET, GO_IF_LEGITIMATE_ADDRESS,
- CONSTANT_ADDRESS_P, LEGITIMATE_CONSTANT_P, LEGITIMIZE_ADDRESS,
- ASM_OUTPUT_ADDR_DIFF_ELT): Modify.
- (enum mips_abi_type, SUBTARGET_TARGET_OPTIONS): Define.
- (mips_abi, mips_abi_string): Declare.
- * mips/mips.md (jump, tablejump_internal1, tablejump_internal2): Add
- -mabi=n32 support.
- * mips/t-iris6 (MULTILIB_OPTIONS): Add -mabi=n32 support.
- * mips/xm-irix6.h (HOST_BITS_PER_LONG): Use _MIPS_SZLONG not 64.
- * ginclude/va-mips.h (va_start): Add -mabi=n32 support.
-
-Fri May 31 14:45:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/sysv4.h (SUBTARGET_SWITCHES): Add -msolaris-cclib to use
- the Sun compiler's crt files instead of ours.
- ({START,END}FILE_SOLARIS_SPEC): If -msolaris-cclib, use the Sun
- compiler's crt files instead of ours.
- (SUBTARGET_OVERRIDE_OPTIONS): Don't set -msdata=data for Solaris.
- (SBSS_SECTION_ASM_OP): For Solaris, don't use @nobits.
- (CPP_OS_SOLARIS_SPEC): Remove -Asystem(unix) and -Asystem(svr4).
-
- * rs6000/t-ppc{,gas} (MULTILIB*): Add Solaris specific multilibs.
-
- * rs6000/eabi{,le}sim.h (*_DEFAULT_SPEC): Rather than using
- duplicate definitions, just use %(...) so that there is only one
- place in the specs file where the switches are defined.
- * rs6000/{linux,sol2}.h (*_DEFAULT_SPEC): Ditto.
-
- * rs6000/sol2.h (CPP_PREDEFINES): Use the standard one in sysv4.h.
- (RS6000_ABI_NAME): Default is solaris.
- (ASM_OUTPUT_ALIGNED_LOCAL): Don't redefine.
-
- * rs6000/sol-c{i.asm,n.asm,c0.c}: Provide more things that Solaris
- needs for program startup.
-
-Thu May 30 21:57:34 1996 Mike Stump <mrs@cygnus.com>
-
- * tree.def (OFFSET_REF): Remove.
- * expr.c (expand_expr, case OFFSET_REF): Likewise.
- * tree.c (substitute_in_expr): Remove OFFSET_REF code.
-
-Wed May 29 14:54:44 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/eabi.asm (__eabi): If not -mrelocatable, don't assemble
- relocatable functions, so that it can be assembled with the
- Solaris assembler.
-
- * rs6000/sysv4.h (CPP_SYSV_SPEC): Define _RELOCATABLE if
- -mrelocatable-lib as well as -mrelocatable.
-
- * rs6000.c (rs6000_file_start): New function to print some more
- information to the asm file.
- * rs6000/{sysv4,win-nt,rs6000}.h (ASM_FILE_START): Call it.
-
-Tue May 28 15:21:24 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.h (FIRST_PSEUDO_REGISTER): Bump to 77. The new fpmem
- register represents the memory location used for float/int
- conversions.
- ({FIXED,CALL_USED}_REGISTERS): Add support for the fpmem pseudo
- register.
- (REG_ALLOC_ORDER): Ditto.
- (HARD_REGNO_{NREGS,MODE_OK}): Ditto.
- (REGISTER_MOVE_COST): Ditto.
- (reg_class): Ditto.
- (REG_CLASS_{NAMES,CONTENTS}): Ditto.
- (REGNO_REG_CLASS): Ditto.
- (PREFERRED_RELOAD_CLASS): Ditto.
- (CLASS_{MAX_NREGS,CANNOT_CHANGE_SIZE,MAX_NREGS}): Ditto.
- (rs6000_stack): Ditto.
- ({,DEBUG_}REGISTER_NAMES): Ditto.
- (FPMEM_{REGNO_P,REGNUM}): New macros for fpmem register.
- (rs6000_fpmem_{offset,size}): New global variables.
- (RS6000_VARARGS_OFFSET): Fpmem temporary storage is located
- between outgoing arg area and varargs save area.
- (STARTING_FRAME_OFFSET): Ditto.
- (STACK_DYNAMIC_OFFSET): Ditto.
- (PREDICATE_CODES): Add fpmem_operand.
- ({count_register,fpmem}_operand): Add declarations.
-
- * rs6000.c ({rs6000,alt}_reg_names): Add support for fpmem
- 'register'.
- (rs6000_fpmem_{offset,size}): New global variables.
- (fpmem_operand): Return true for fpmem registers.
- (gpc_reg_operand): The fpmem register is not general purpose.
- (includes_rshift_p): Add casts to silence warnings from Solaris
- PowerPC host compiler.
- (print_operand): Add 'v' operand type for the upper 16 bits of
- signed constants, to placate the Solaris assembler.
- ({rs6000,debug}_stack_info): Add support for fpmem 'register'.
- (output_epilog): Ditto.
-
- * rs6000.md (addsi3,movsi,movsf,movdi): Use %v for constants with
- the upper 16 bits, to get the sign correct for PowerPC Solaris.
- (float{,uns}sidf2,fix_truncdfsi2): Rewrite to use 'register' 76
- for the memory location used to convert between float and integer.
-
- * sysv4.h (ASM_OUTPUT_{CON,DE}STRUCTOR): Use code laid down in
- .init and .fini for making constructors and destructors under
- Solaris.
- (ASM_SPEC): Do not pass -u to the assembler.
- (CC1_SPEC): -mrelocatable implies -meabi.
-
- * sol2.h (RS6000_ABI_NAME): Default ABI is Solaris, not System
- V.4.
- (ASM_OUTPUT_ALIGNED_LOCAL): Don't define a Solaris specific
- method.
-
-Mon May 27 06:39:13 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * expr.c (expand_builtin, case BUILT_IN_{LONG,SET}JMP):
- Convert block address from ptr_mode to Pmode.
-
-Sun May 26 20:05:43 1996 Doug Evans <dje@cygnus.com>
-
- * gcc.c (MSDOS pexecute): Call xmalloc, not malloc.
-
-Sun May 26 08:31:54 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * configure (vax-*-{sysv}): tm_file and xm_file now list.
- (vax-*-ultrix): tm_file is now list.
- (we32k-att-sysv*): xm_file now list.
- * vax/xm-netbsd.h: Deleted.
- * vax/netbsd.h: No longer include vax.h and config/netbsd.h.
- * vax/ultrix.h, vax/vaxv.h: No longer include vax.h.
- * vax/xm-vaxv.h: No longer include xm-vax.h.
- * xm-we32k.h: No longer include xm-svr3.h.
-
- * configure: Separately set target_cpu_default for two
- case statements and then combine if both set.
- (alpha-*-winnt3): tm_file and xm_file are now list.
- Set target_cpu_default to 64.
- * winnt/config-nt.bat: Make .h files properly for Alpha.
- * alpha.h (WINDOWS_NT): No longer defined and used.
- (MASK_WINDOWS_NT, TARGET_WINDOWS_NT): New macros.
- (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_WINDOWS_NT.
- * alpha.c (output_prolog): Test TARGET_WINDOWS_NT, not WINDOWS_NT.
- * alpha.md: Likewise.
- * alpha/config-nt.sed: Properly set tm_file and {build,host}_xm_file.
- * alpha/win-nt.h: Don't include alpha.h
- (WINDOWS_NT): No longer define.
- * alpha/xm-winnt.h: Don't include xm-alpha.h and winnt/xm-winnt.h.
-
-Fri May 24 12:34:22 1996 Doug Evans <dje@seba.cygnus.com>
-
- * configure (cpu_type): Add case for arm.
- (sparclet-*-aout*): Delete extra_headers.
-
- * varasm.c (asm_output_bss): New argument DECL.
- Use ASM_DECLARE_OBJECT_NAME if defined.
- (asm_output_aligned_bss): Likewise.
- (assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS.
- * arm/aout.h (ASM_OUTPUT_ALIGNED_BSS): Update.
- * h8300/h8300.h (ASM_OUTPUT_BSS): Update.
- * i386/linux.h (ASM_OUTPUT_ALIGNED_BSS): Update.
- * i386/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update.
- * m68k/coff.h (ASM_OUTPUT_ALIGNED_BSS): Update.
- * m68k/linux.h (ASM_OUTPUT_ALIGNED_BSS): Update.
- * m68k/m68k-aout.h (ASM_OUTPUT_BSS): Update.
- * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update.
- * rs6000/win-nt.h (ASM_OUTPUT_ALIGNED_BSS): Update.
- * sparc/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update.
-
-Thu May 23 19:55:52 1996 Jim Wilson <wilson@cygnus.com>
-
- * combine.c (set_nonzero_bits_and_sign_copies): Set
- reg_sign_bit_copies to one not zero to indicate that the value
- is unknown.
-
-Thu May 23 18:39:24 1996 J.T. Conklin <jtc@rtl.cygnus.com>
-
- * config/netbsd.h (SWITCH_TAKES_ARG): Add -R.
- (LINK_SPEC): Add %{R*}.
-
- * m68k/lb1sf68.asm: Construct exception masks at compile time
- instead of or'ing in bits at run time.
-
-Thu May 23 15:53:06 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * sh/sh.md: Add new instruction types fp and fpdiv. Set new
- instruction types where appropriate. Add function unit fp.
- Claim that store instructions use function unit memory.
-
-Thu May 23 00:36:19 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300/h8300.h (CONSTANT_ADDRESS_P): Don't accept CONST or HIGH
- on the H8/300H.
- * h8300/h8300.md: Use "m" rather than "o" constraint everywhere
- appropriate. Cleanup use of "i" and "n" constraints.
-
-Wed May 22 17:43:37 1996 Jim Wilson <wilson@cygnus.com>
-
- * fixincludes (pthread.h): Add extern to __page_size* declarations
- for AIX 4.1.x.
-
- * combine.c (nonzero_bits): Don't assume arg pointer has same
- alignment as stack pointer.
-
-Wed May 22 16:09:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/sysv4.h (LINK_START_DEFAULT_SPEC): Spell macro correctly.
- (LIB_DEFAULT_SPEC): Provide default version.
-
-Wed May 22 11:23:57 1996 J"orn Rennecke (amylaar@meolyon.hanse.de)
-
- * i386.md (return_pop_internal): new pattern.
- (pop): disable emitting of bogus move instruction.
- * i386.c (ix86_expand_epilogue): use gen_return_pop_internal to
- simultanously return and pop args; removed stray semicolon.
- * config/linux-aout.h, config/linux.h (SET_ASM_OP): Added for
- __attribute__ ((alias ())) support.
-
-Wed May 22 08:06:42 1996 Richard Kenner <kenner@vlsi1.ultra.nyu.edu.edu>
-
- * combine.c (init_reg_last_arrays, setup_incoming_promotions):
- Correct prototypes.
-
-Tue May 21 13:42:17 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300/h8300.md (div patterns): Rewrite.
- (mod patterns): Likewise.
-
- * pa/pa.c (basereg_operand): Never accept a CONST_INT.
-
-Tue May 21 12:26:40 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * pa/pa-hpux9.h, pa-osf.h (LINK_SPEC): Provide version for Snake.
-
-Tue May 21 07:20:48 1996 Pat Rankin <rankin@eql.caltech.edu>
-
- * vax.h (TARGET_NAME): Define unless already defined.
- (TARGET_VERSION): Print TARGET_NAME.
- * vax/vms.h (TARGET_NAME): Always redefine.
- (TARGET_VERSION): Delete; retain vax.h definition.
-
-Mon May 20 14:00:44 1996 Jim Wilson <wilson@cygnus.com>
-
- * sh.c (output_file_start): Delete misplaced semicolon.
-
-Mon May 20 11:58:15 1996 Jeffrey A. Law <law@cygnus.com>
-
- * reorg.c (relax_delay_slots): Call update_block before
- redirecting a branch past a redundant insn.
-
-Sun May 19 16:40:53 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
-
- * Makefile.in (libobjc.a, sublibobjc.a): 'specs' added to
- dependencies.
-
-Sun May 19 12:25:48 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * configure: Add new switch to provide default for cpu_type;
- delete numerous settings of it in main switch.
- (hppa): Reflect rerrangements below; use new configure features.
- * pa/pa-gas.h, pa/pa-pro-end.h: New files.
- * pa/pa1.h, pa/pa1-osf.h, pa/pa1-ghpux.h, pa/pa1-oldas.h: Deleted.
- * pa/pa1-ghpux9.h, pa/pa1-hpux9.h, pa/pa1-hpux.h: Deleted.
- * pa/pa1-ghiux.h, pa/pa1-hiux.h, pa/pa-ghpux.h: Deleted.
- * pa/pa-gux7.h, pa/pa-ghiux.h: Deleted.
- * pa/pa-hiux.h: No longer include pa-hpux.h.
- * pa/pa-hpux.h: No longer include pa.h.
- (TARGET_DEFAULT): Unset before setting.
- (LINK_SPEC): Provide option for pa1.
- * pa/pa-hpux7.h: No longer include pa.h.
- (HP_FP_ARG_DESCRIPTOR_REVERSED): Don't define here.
- * pa/pa-hpux9.h, pa/pa-oldas.h: No longer include pa-hpux.h.
- (TARGET_DEFAULT): Don't need to set here.
- * pa/pa-osf.h: No longer include pa.h.
- (TARGET_DEFAULT): Don't define; identical to default.
- * pa/pa-pro.h: No longer include pa.h.
- Move definitions after include to new file pa-pro-end.h.
- * pa.h (TARGET_SWITCHES): Include TARGET_CPU_DEFAULT.
- (TARGET_CPU_DEFAULT): Provide default value.
- (CPP_SPEC): Test TARGET_CPU_DEFAULT too.
-
- * Makefile.in (function.o): Includes bc-emit.h.
- (reg-stack.o): Includes insn-flags.h.
- * expr.h (function_value): Deleted; no such function.
- (bc_build_calldesc, bc_runtime_type_code): New declarations.
- * c-decl.c: Add prototypes for all static functions.
- * c-iterate.c: Likewise.
- * dbxout.c: Likewise.
- (adspath): Delete; never used and has numerous parse errors.
- * dwarfout.c: If not GNUC, make `inline' null; otherwise, leave alone.
- Add `static' to inline functions.
- Add prototypes for static function.
- * expr.c (bc_runtime_type_code): Delete redundant declaration.
- * function.c: Include bc-emit.h.
- ({save,restore}_machine_status): Add prototype for args.
- (bc_runtime_type_code, bc_build_calldesc): Delete redundant decls.
- (bc_emit_trampoline, bc_end_function): Likewise.
- * reg-stack.c: Include insn-flags.h.
- Add prototypes for static functions.
- (gen_jump, gen_movdf, gen_movxf): Delete redundant declarations.
- (find_regno_note, emit_jump_insn_before, emit_label_after): Likewise.
- (swap_rtx_condition): Now static.
- * sdbout.c: Add prototypes for static functions.
- (sdbout_parms, sdbout_reg_parms): Delete extra parm to plain_type.
-
-Sun May 19 11:50:10 1996 John Carr <jfc@mit.edu>
-
- * alpha.c (alpha_emit_conditional_move): Compare to 0 in correct mode.
-
-Sat May 18 20:17:27 1996 Jim Wilson <wilson@cygnus.com>
-
- * sh.c (prepare_move_operands): If source is r0, and dest is reg+reg
- MEM, then copy source to a pseudo-reg.
- * sh.md (untyped_call): New pattern.
-
- * unroll.c (copy_loop_body): When update split DEST_ADDR giv,
- check to make sure it was split.
- (find_splittable_givs): Fix reversed test of verify_addresses result.
-
-Sat May 18 10:26:04 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * tree.c (unsave_expr_now): Avoid use of NULL_RTX since no rtl.h.
-
- * configure: Set cpu_default, tm_file, and xm_file early.
- Remove redundant settings of those, tmake_file, and xmake_file.
- Use ${tm_file} and ${xm_file} to refer to the main files.
- Sort some entries for consistency and reformat some others.
- (rs6000, powerpc): Remove bogus test on host == target.
- (alpha-*-linux): xm-linux.h no longer includes xm-alpha.
- (alpha-*-osf*): Remove redundant setting of target_cpu_default.
- (*-convex-*): Use target_cpu_default instead of separate .h files.
- (clipper-intergraph-clix*): clix.h no longer includes any files.
- (i860, i960, pdp11): Reflect removal of includes listed below.
- * alpha/xm-linux.h: No longer include xm-alpha.h.
- * clipper/clix.h: No longer include clipper.h and svr3.h.
- * convex.h: Provide a default for TARGET_DEFAULT.
- Take "or" of TARGET_DEFAULT and TARGET_CPU_DEFAULT everywhere.
- * convex/convex{1,2,32,34,38}.h: Deleted.
- * i860/bsd-gas.h: No longer include bsd.h.
- * i860/bsd.h: No longer include i860.h.
- * i860/fx2800.h: No longer include i860/sysv4.h.
- (OUTPUT_TDESC): No longer define.
- (ASM_FILE_END): Move redefinition to here.
- * i860/mach.h: No longer include i860.h.
- * i860/paragon.h, i860/sysv3.h: No longer include i860.h and svr3.h.
- * i860/sysv4.h: No longer include i860.h and svr4.h.
- (ASM_FILE_END): Delete redefinition from here.
- * i860/xm-fx2800.h: No longer include xm-i860.h.
- * i860/xm-paragon.h, i860/xm-sysv{3,4}.h: Deleted.
- * i960/i960-coff.h: No longer include i960.h and dbxcoff.h.
- * i960/vx960-coff.h: No longer include i960-coff.h.
- * i960/vx960.h: No longer include i960.h.
- * pdp11/2bsd.h: No longer include pdp11.h.
-
- * i370/i370.h: Renamed from mvs.h.
- * i370/i370.c: Renamed from mvs370.c.
- * i370/t-i370: Renamed from t-mvs.
- * i370/xm-i370.h: Renamed from xm-mvs.h.
- * configure (i370-*-mvs*): Use default names for all files.
-
- * c-parse.in: Update number of shift/reduce conflicts for objc.
-
-Sat May 18 08:20:17 1996 Dennis Glatting (dennisg@plaintalk.bellevue.wa.us)
-
- * m68k/next.h (FINALIZE_TRAMPOLINE): Add missing backslashes.
-
-Fri May 17 19:57:20 1996 Pat Rankin <rankin@eql.caltech.edu>
-
- * vax/xm-vms.h (dbxout_resume_previous_source_file): New macro.
-
-Fri May 17 14:20:13 1996 Mike Stump <mrs@cygnus.com>
-
- * expr.c (expand_expr, cond TARGET_EXPR): Make TARGET_EXPRs
- redoable for UNSAVE_EXPR.
- * stmt.c (expand_decl_cleanup): Wrap the cleanup in an UNSAVE_EXPR
- to that we can redo it.
- * tree.c (unsave_expr_now): Handle TARGET_EXPRs fully now.
- * tree.def (TARGET_EXPR): Add a fourth field so that TARGET_EXPRs
- are redoable.
-
- * expr.c (expand_expr, cond UNSAVE_EXPR): Move from the C++
- frontend to the backend where it belongs.
- * tree.c (unsave_expr): Likewise.
- (unsave_expr_now): Likewise.
- * tree.def (UNSAVE_EXPR): Likewise.
- * tree.h (unsave_expr): Likewise.
- (unsave_expr_now): Likewise.
-
-Fri May 17 15:04:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.md (lshrsi3 insns): Add special case code for shifting by
- 0 to avoid bad code generated with no optimization.
-
-Fri May 17 13:50:55 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * i386/unix.h (ASM_OUTPUT_MI_THUNK): Define.
- * i386/{att.h,bsd.h,sun386.h} (ASM_OUTPUT_MI_THUNK): Delete.
-
-Fri May 17 13:34:28 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * config/fp-bit.c (_fpdiv_parts): Correct sign handling when
- dividing zero or infinity by something.
-
-Fri May 17 12:36:36 1996 Doug Evans <dje@seba.cygnus.com>
-
- Standardize option output in assembler files.
- * Makefile.in (toplev.o): Pass -DTARGET_NAME.
- * arm/aout.h (ASM_OUTPUT_OPTIONS): Delete.
- (ASM_FILE_START): Delete option output support.
- * arm/arm.c (output_option, output_options, m_options): Delete.
- * m88k/m88k.c (output_file_start): Delete option output support.
- * m88k/m88k.h (ASM_COMMENT_START): Define.
- * mips/mips.c (target_switches, print_options): Delete.
- (mips_asm_file_start): Put output of -G,Cpu,ISA here.
- * mips/mips.h (ASM_COMMENT_START): Change from "\t\t#" to " #".
- * rs6000/rs6000.c (output_option, m_options, output_options): Delete.
- * rs6000/rs6000.h (ASM_OUTPUT_OPTIONS): Delete.
- (ASM_COMMENT_START): Define.
- (ASM_FILE_START): Delete option output support.
- * rs6000/sysv4.h (ASM_FILE_START): Likewise.
- * rs6000/win-nt.h (ASM_FILE_START): Likewise. Delete duplicate.
- * sh/sh.c (output_option, m_options, output_options): Delete.
- (output_file_start): Delete option output support.
- * sh/sh.h (ASM_FILE_START): Likewise.
- (ASM_COMMENT_START): Define.
- * dwarfout.c (*): flag_verbose_asm renamed to flag_debug_asm.
- * flags.h (flag_debug_asm): Declare.
- * toplev.c (print_version): New function.
- (print_single_switch): New arguments pos, max, indent, sep, term.
- (print_switch_values): New arguments pos, max, indent, sep, term.
- Update call to print_single_switch. Output options passed and
- options enabled.
- (MAX_LINE): New macro.
- (flag_debug_asm): Define.
- (compile_file): Output options to assembler file.
- (main): Recognize -dA. Call print_version. Update call to
- print_switch_values.
- (line_position): Deleted.
-
-Fri May 17 10:50:44 1996 Stan Cox (coxs@dg-rtp.dg.com)
-
- * i386.c (function_prologue, ix86_expand_prologue,
- function_epilogue, ix86_expand_epilogue): Generate prologue and
- epilogue as RTL (prior to scheduling) instead of emitting asm.
- (override_options): If only -march is given, make it the default -mcpu.
- * i386.h (FUNCTION_BEGIN_EPILOGUE): Renamed from FUNCTION_EPILOGUE.
- * i386.md (return, return_internal, prologue, prologue_set_got,
- prologue_get_pc, epilogue, leave, pop): New patterns for emitting
- asm from prologue and epilogue RTL.
- * m88k/t-dgux (T_CFLAGS): Delete.
- * m88k/x-dgux (X_CFLAGS): New.
-
-Fri May 17 09:54:23 1996 Jim Meyering (meyering@asic.sc.ti.com)
-
- * Makefile.in (stamp-crt{,S}): Use -o to avoid conflicts if
- both of these are built in parallel.
-
-Fri May 17 08:55:19 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * expmed.c (store_split_bit_field): Don't assume the alignment
- of VALUE is the same as the record.
-
- * configure: Write #define TARGET_CPU_DEFAULT into tm.h
- instead of defining MAYBE_TARGET_DEFAULT in Makefile.
- (alpha-*-linux): Set target_cpu_default to 4 and xmake_file to none.
- (alpha-*-osf*): Set target_cpu_default to 4 if --gas.
- * Makefile.in (gcc.o, toplev.o, $(out_object_file)):
- Remove MAYBE_TARGET_DEFAULT.
-
- * combine.c (insn_cuid): New function.
- (INSN_CUID): Sometimes call it.
-
-Fri May 17 08:12:37 1996 Scott Christley <scottc@net-community.com>
-
- * objc/sendmsg.c (objc_get_uninstalled_dtable): New function.
- * objc/objc-api.h (objc_get_uninstalled_dtable): New declaration.
-
- * objc/thr-os2.c, objc/thr-posix.c, objc/thr-mach.c: New files.
- * objc/THREADS.MACH: New file.
-
- * objc/sendmsg.c (nil_method): Deleted from here.
- * objc/nil_method.c: New file.
- * Makefile (OBJC_O): Add dependency for nil_method.c.
-
- * objc/hash.c (hash_is_key_in_hash): New function.
- * objc/hash.h: Include objc/objc.h here instead of in objc/hash.c
- to get BOOL typedef.
-
-Fri May 17 08:01:48 1996 Doug Rupp (rupp@gnat.com)
-
- * msdos/configur.bat: If Ada subdirectory present, adjust Makefile.
-
-Fri May 17 07:40:04 1996 Ulrich Drepper (drepper@cygnus.com)
-
- * stddef.h: If need_wint_t defined, nothing in this file is needed.
- (_WINT_T, __WINT__TYPE__, wint_t): Define under certain circumstances.
-
-Thu May 16 18:53:25 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * fold-const.c (fold, case EQ_EXPR): When folding VAR++ = CONST,
- mask the new const if VAR is a bitfield reference; also for VAR--.
-
-Thu May 16 18:29:03 1996 Doug Evans <dje@seba.cygnus.com>
-
- * varasm.c (function_section): Delete flag_function_sections support.
- (assemble_start_function): Put it here. Use UNIQUE_SECTION if defined.
-
-Wed May 15 13:35:11 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.{h,c,md} (rs6000_pic_register): Delete all uses, use
- pic_offset_table_rtx instead.
-
- * rs6000.md (move_to_float): Rewrite so that it uses the register
- allocator to allocate the stack temp, instead of calling
- rs6000_stack_temp.
- (fix_truncdfsi2): Ditto.
-
- * rs6000.c (rs6000_stack_temp): Delete, no longer used.
-
-Wed May 15 10:39:27 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300/h8300.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define.
-
-Sat May 11 07:42:59 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * expr.c (store_field): Support BLKmode bitfield if aligned on
- byte boundary using emit_block_move.
- (expand_expr, case COMPONENT_REF): Likewise.
-
-Fri May 10 18:33:39 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * configure (alpha-*-linux): Reverse order in tm_file list.
- Delete xmake_file.
- * alpha/x-linux: Deleted.
- * alpha/linux.h (ASM_FINAL_SPEC): Add #undef.
- * alpha/xm-linux.h: Remove bogus trailing #endif.
-
- * loop.c (maybe_eliminate_biv_1): Disable all but two cases
- of biv elimination with givs and restrict those two cases to
- an ADD_VAL that is an address.
-
- * flow.c (mark_set_1, mark_used_regs): Clean up usages
- of ALL_NEEDED; change to SOME_NOT_NEEDED and set properly.
-
-Fri May 10 11:37:38 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * toplev.c (compile_file): Don't warn about artificial functions
- declared static and not defined.
-
-Thu May 9 22:03:28 1996 Doug Evans <dje@cygnus.com>
-
- * varasm.c (assemble_start_function): ASM_DECLARE_FUNCTION_NAME
- needn't consider bytecodes.
- (assemble_variable): ASM_DECLARE_OBJECT_NAME needn't
- consider bytecodes.
- * toplev.c (rest_of_decl_compilation): Likewise with
- ASM_FINISH_DECLARE_OBJECT.
- * arm/aof.h (ASM_DECLARE_{FUNCTION,OBJECT}_NAME): Delete bytecode
- support.
- * vax/vms.h (ASM_DECLARE_OBJECT_NAME): Likewise.
-
-Thu May 9 19:36:13 1996 Jim Wilson <wilson@cygnus.com>
-
- * sh.h (SET_ASM_OP): Define.
-
-Thu May 9 13:31:58 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/sysv4.h (SUBTARGET_{SWITCHES,OPTIONS}): Add support for
- finer grain control on -msdata, so that eabi people can specify to
- compile sdata code to only use r13 instead of r2/r13. Make
- -mrelocatable-lib turn off -msdata, just like -m relocatable does.
- (SUBTARGET_OVERRIDE_OPTIONS): Ditto.
- (ENCODE_SECTION_INFO): Move to rs6000.c.
- (ASM_SPEC): -msdata=eabi sets -memb also.
- (CC1_SPEC): -mno-sdata gets converted to -msdata=none.
-
- * rs6000.c (rs6000_sdata{,_name}): Add support for finer grain
- control on -msdata.
- (output_options): Ditto.
- (small_data_operand): Ditto.
- (print_operand): Ditto.
- (rs6000_select_section): Ditto.
- (rs6000_encode_section_info): Move here from sysv4.h, section
- names are stored as STRING nodes, not IDENTIFIER.
-
-Wed May 8 21:04:49 1996 Doug Evans <dje@cygnus.com>
-
- * function.c (aggregate_value_p): Return 1 if TREE_ADDRESSABLE.
- * pa/pa.h (RETURN_IN_MEMORY): No longer test for TREE_ADDRESSABLE.
-
-Tue May 7 13:42:57 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300/h8300.c: Include obstack.h.
- (bit_memory_operand): New function.
- (print_operand): Append ":16" to a memory reference to
- the tiny data area.
- (h8300_tiny_data_p): New function.
- (h8300_valid_machine_decl_attribute): Accept "tiny_data". Fix
- typo.
- (h8300_encode_label): New function.
- (h8300_adjust_insn_length): References to the tiny data section
- are two bytes shorter than normal accesses on the H8/300H.
- * h8300/h8300.h (OK_FOR_U): Fix thinko.
- (ENCODE_SECTION_INFO): Encode info for tiny data variables.
- (STRIP_NAME_ENCODING): Define.
- * h8300/h8300.md (movqi insn): Fix length for a constant load.
- (movstrictqi): Likewise.
- (movhi, movstricthi): Likewise.
- (memory btst patterns): Add register to the constraints to keep
- reload happy.
-
- * h8300/h8300.h (OK_FOR_U): (const (plus (symbol_ref) (const_int)))
- is a valid U operand if SYMBOL_REF_FLAG is set on the
- SYMBOL_REF.
- * h8300/h8300.md (memory btst patterns): New patterns.
-
- * h8300/h8300.c (h8300_eightbit_data_p): Renamed from
- h8300_tiny_data_p.
- (h8300_eightbit_data_p): Check for the "eightbit_data"
- attribute instead of "tiny_data".
- (h8300_valid_machine_decl_attribute): Likewise.
- * h8300/h8300.h (ENCODE_SECTION_INFO): Call h8300_eightbit_data_p
- instead of h8300_tiny_data_p.
-
- * h8300/h8300.h (READONLY_DATA_SECTION): Define.
- (EXTRA_SECTIONS): Add in_readonly_data.
- (READONLY_DATA_SECTION_ASM_OP): Define.
- (EXTRA_SECTION_FUNCTINOS): Add readonly_data.
-
-Tue May 7 09:26:24 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * varasm.c (make_decl_rtl): Update DECL_ASSEMBLER_NAME for local
- statics. Remove reference to flag_no_common.
-
-Mon May 6 21:38:36 1996 Paul Eggert <eggert@twinsun.com>
-
- * cpplib.c (skip_comment, handle_directive): Don't use uninit vars.
-
-Mon May 6 18:47:36 1996 Doug Evans <dje@cygnus.com>
-
- * dbxout.c (dbxout_function): When deciding to call dbxout_function_end
- change test from flag_function_sections to DECL_SECTION_NAME != NULL.
-
- * varasm.c (named_section): Accept any decl.
-
-Mon May 6 16:41:08 1996 Stan Cox (coxs@dg-rtp.dg.com)
-
- * final.c (final_scan_insn): Modify conditional moves whose cc is
- nonstandard.
-
- * c-common.c (decl_attributes): Chain multiple attributes correctly.
-
-Mon May 6 15:41:43 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * stmt.c (expand_decl): Don't deduce alignment of SIZE from
- DECL_ALIGN; use TYPE_ALIGN instead.
-
- * function.c (assign_parms): Set RTX_UNCHANGING_P in stack_parm
- if parm is read-only.
-
- * c-common.c (truthvalue_conversion, case ADDR_EXPR): Don't
- treat address of external decl as always nonzero.
-
-Mon May 6 11:33:57 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * c-decl.c (start_decl): Check -fno-common here.
- * varasm.c (assemble_variable): Instead of here.
- * final.c (end_final): Likewise.
- * c-common.c (init_attributes, decl_attributes): Add A_COMMON.
-
-Mon May 6 11:12:39 1996 Mike Stump <mrs@cygnus.com>
-
- * expr.c (expand_increment): Add third parameter to know when to
- ignore the result value.
- (store_constructor): Likewise
- (expand_expr, case {PRE,POST}{INC,DEC}REMENT_EXPR): Likewise.
- * tree.c (stabilize_reference): Always ignore the first operand of
- COMPOUND_EXPRs.
-
-Mon May 6 13:14:45 1996 Jim Wilson <wilson@cygnus.com>
-
- * sh.c (gen_shifty_op): Truncate VALUE to avoid out of bounds array
- access.
-
- * expr.c (expand_expr, case INDIRECT_REF): Delete obsolete code
- to special case a SAVE_EXPR operand.
-
-Mon May 6 10:00:12 1996 Pat Rankin <rankin@eql.caltech.edu>
-
- * vax.h (ASM_OUTPUT_MI_THUNK): Define.
-
-Mon May 6 09:49:10 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * m68k/linux.h: Use the new trampoline definition.
- (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Deleted.
- (INITIALIZE_TRAMPOLINE): Changed.
- (FINALIZE_TRAMPOLINE, CLEAR_INSN_CACHE): New.
-
-Mon May 6 09:43:55 1996 Patrick J. LoPresti (patl@lcs.mit.edu)
-
- * rtlanal.c (rtx_addr_varies_p): Scan operands of type `E'.
-
-Mon May 6 09:04:40 1996 H.J. Lu (hjl@gnu.ai.mit.edu)
-
- * x-linux{,-aout} (BOOT_CFLAGS, STMP_FIXPROTO, STMP_FIXPROTO): Deleted.
- * config/t-linux (BOOT_CFLAGS, STMP_FIXPROTO, STMP_FIXPROTO): New,
- moved from x-linux.
- * t-linux-aout: New file.
- * configure (i[3456]86-*-linux*oldld*, i[3456]86-*-linux*aout*):
- Set tmake_file to t-linux-aout.
-
-Sun May 5 22:13:22 1996 H.J. Lu (hjl@gnu.ai.mit.edu)
-
- * Makefile.in (gxx_include_dir): Change to $(prefix)/include/g++.
- (old_gxx_include_dir): New - defined as $(libdir)/g++-include.
- (cccp.o, cpplib.o): Also pass OLD_GPLUSPLUS_INCLUDE_DIR (set
- from $(old_gxx_include_dir)).
- * cccp.c (include_defaults_array): For C++, also search
- OLD_GPLUSPLUS_INCLUDE_DIR.
- * cpplib.c (default_include): Likewise.
- * configure: Remove no-longer-needed support for --gxx-include-dir.
-
-Sun May 5 21:59:53 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * c-lex.c (check_newline): Fix #pragma parsing; issue error message
- for directive that starts with `p' but isn't `pragma'.
-
-Sun May 5 13:13:40 1996 Jeremy Bettis <jeremy@hksys.com>
-
- * objc/hash.c (hash_value_for_key): Prevent endless loop when 0 was
- stored in a hashtable.
-
-Sun May 5 13:09:54 1996 Satoshi Adachi (adachi@wisdom.aa.ap.titech.ac.jp)
-
- * m68k/newsgas.h (SET_ASM_OP, ASM_WEAKEN_LABEL): Define.
-
-Sun May 5 12:48:08 1996 Stephen L Moshier (moshier@world.std.com)
-
- * tree.c (build_real_from_int_cst): Remove spurious test for
- REAL_IS_NOT_DOUBLE.
-
-Sat May 4 12:17:58 1996 Richard Earnshaw (rearnsha@armltd.co.uk)
-
- * arm.h (ASM_OUTPUT_MI_THUNK): Moved here from aout.h. Rewrite to be
- independent of the selected assembler, and to use optimal number of
- instructions.
- * arm/aout.h (ASM_OUTPUT_MI_THUNK): Delete.
-
- * arm/aout.h (ASM_OUTPUT_OPTIONS): Define.
- (ASM_FILE_START): Call ASM_OUTPUT_OPTIONS.
- (BSS_SECTION_OP): Define.
- (ASM_OUTPUT_ALIGN): Don't output anything if byte alignment is wanted.
- (ASM_OUTPUT_ALIGNED_BSS): Define.
- * arm.h (target_cpu_name): Delete.
- (TARGET_SWITCHES): Delete "be" and "le".
- (TARGET_OPTIONS): Delete "cpu-", add "tune=".
- (struct arm_cpu_select): New struct.
- (PROCESSOR_DEFAULT, TARGET_CPU_DEFAULT): Define.
- (EXTRA_CC_MODES, EXTRA_CC_NAMES): Add CC_Cmode.
- (CANONICALIZE_COMPARISON): Define.
- * arm.c (arm_select): Declare and initialize.
- (all_procs): Add arm7100.
- (arm_override_options): Parse arm_select structure to determine
- selected architecture and tuning parameters.
- (output_option, output_options): New functions.
- (arm_canonicalize_comparison): New function.
- (arm_gen_movstrqi): Don't add a writeback of the index registers for
- the last instructions.
- (arm_select_cc_mode): Detect case where mode is carry out of unsigned
- arithmetic.
- (output_lcomm_directive): Use bss_section (), and use alignment
- rather than rounding.
- (get_arm_condition_code): Handle CC_Cmode.
- (final_prescan_insn): Avoid boundary case where we would occasionally
- inline MAX_INSNS_SKIPPED+1 insns. Allow call_insns to be inlined in
- APCS_32 mode if they are the last insn in the block.
- * arm.md (*addsi3_compareneg): Delete potentially unsafe insn.
- (*addsi3_compare_op[12]): New insns.
- (*compare_addsi2_op[01]): New insns.
- (*addsi3_carryin, *addsi3_carryin_alt[12]): New insns.
- (*cmp_ite1): Use arm_add_operand instead of arm_rhs_operand.
- * semi.h (PROCESSOR_DEFAULT): Default to PROCESSOR_ARM6.
-
-Fri May 3 10:52:11 1996 1996 Stan Cox (coxs@dg-rtp.dg.com)
-
- * i386.md (movesicc, movehicc) Pentium Pro conditional move insns.
-
- * i386.h (TARGET_PENTIUMPRO, TARGET_CMOVE, BRANCH_COST,
- ASM_OUTPUT_FUNCTION_PREFIX): New macros for conditional move.
-
- * i386.c (asm_output_function_prefix, function_prologue): Setup
- pic on Pentium Pro so a return will match the call.
- (print_operand, put_condition_code): Output conditional move suffixes.
-
-Fri May 3 10:52:11 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * i386/{att.h,gas.h,bsd.h,sub386.h} (ASM_OUTPUT_MI_THUNK): Define.
-
-Wed May 1 17:54:51 1996 Doug Evans <dje@cygnus.com>
-
- * sparc.h (ASM_OUTPUT_MI_THUNK): Fix for sparc64, optimize.
-
-Wed May 1 13:28:32 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * i386/linux.h (ASM_OUTPUT_ALIGNED_BSS): Define.
- * i386/sysv4.h: Likewise.
- * sparc/sysv4.h: Likewise.
-
-Wed May 1 01:44:47 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300/h8300.c (h8300_adjust_insn_length): Adjust the cost of
- shifts by small constant values.
- * h8300/h8300.md: Refine comments. Remove names from many
- patterns which don't need them.
- (compare insns): Don't underestimate lengths.
- (andqi3 expander): Remove constrains.
- (andhi3): Don't underestimate length.
- (andsi3): Don't underestimate length. Improve code when upper
- or lower half of destination is being cleared.
- (indirect_jump_h8300, indirect_jump_h8300h): Simplify.
- (shift insns): Remove useless "I" constraint.
-
- * h8300/h8300.md (bcs type): Remove "bcs" type attribute and
- all references.
- (bcs insns): Delete. No longer needed.
- (setcc from bitfield): Rewrite to use zero_extract. Provide
- QImode, HImode and SImode variants.
-
-Tue Apr 30 18:13:09 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * svr4.h (SELECT_SECTION): If RELOC is true, put it in data.
-
-Tue Apr 30 17:26:30 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * fold-const.c (fold): Don't call convert to recreate tree nodes
- we already have.
-
-Tue Apr 30 16:52:41 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300/h8300.c (one_insn_adds_subs_operand): New function.
- (h8300_adjust_insn_length): New function.
- * h8300/h8300.h (ADJUST_INSN_LENGTH): Define.
- * h8300/h8300.md: Remove obsolete comments.
- (move patterns): Tweak constraints.
- (tst patterns): Use "register_operand" for predicate.
- (adds pattern): Use one_insn_adds_subs_operand to get length
- computation correct.
- (subs pattern): Similarly.
- (movstrhi): Remove unused expander.
- (fancy*, pxor, and-not patterns): Remove. No longer needed.
-
-Tue Apr 30 13:35:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/sol-c0.c (_start): Temporarily display calling
- __do_global_ctors, since the Solaris linker doesn't handle the
- relocations properly.
-
-Mon Apr 29 13:03:12 1996 Doug Evans <dje@cyguns.com>
-
- * sparc/vxsparc.h: sparc-aout.h renamed to aout.h.
-
-Mon Apr 29 00:35:15 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300/h8300.c (names_small): Remove "BAD" postfix from
- %r7 byte registers.
- (rtx_equal_function_value_matters): Remove extra declaration.
- (output_simode_bld): New function.
- * h8300/h8300.h (NO_FUNCTION_CSE): Do define this. Register
- pressure makes cse-ing function addresses rarely a win.
- (reg_class): Remove unnecessary register classes LONG_REGS,
- SP_REG, SP_AND_G_REGS.
- (REG_CLASS_NAMES): Corresponding changes.
- (REG_CLASS_CONTENTS): Corresponding changes.
- (REGNO_REG_CLASS): Corresponding changes.
- (REG_CLASS_FROM_LETTER): Corresponding chagnes.
- (output_simode_bld): Declare.
- * h8300/h8300.md: Nuke comments for stuff which has been fixed.
- (all patterns): Remove references to register class "a" (SP_REGS)
- which no longer exists.
- (many patterns): Accept auto-inc auto-dec addresses in more cases.
- (zero_extendqisi2): New pattern for the H8/300.
- (zero_extendhisi2): Only use zero_extendhisi2_h8300 when not optimizing.
- (extendhisi2): Only use extendhisi2_h8300 when not optimizing.
- (extendqisi2): New pattern for the H8/300.
- (bitfield related patterns): Completely rewrite.
- (fancy_bclr, fancy_btst): Deleted. Redundant with new bitfield
- patterns.
- (addhi3 pattern for h8300): Handle case where we can't make matching
- constraints (works around hard to fix reload problem).
- (stack_pointer_manip): Delete.
- (and not patterns): New combiner patterns.
-
- * pa/pa.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Make sure the
- final $CODE$ subspace is in the $TEXT$ space.
-
-Sun Apr 28 14:52:21 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * svr4.h (ASM_OUTPUT_SECTION_NAME): If no decl is specified,
- make the section read/write data.
-
-Sat Apr 27 10:28:59 1996 Michael Meissner <meissner@wogglebug.tiac.net>
-
- * rs6000/t-ppcgas (MULTILIB_EXCEPTIONS): Don't allow -mrelocatable
- and -mcall-sysv-noeabi.
-
- * rs6000/sysv.h (SUBTARGET_OVERRIDE_OPTIONS): The -mcall-aix
- option sets -meabi. Don't allow -mrelocatable without -meabi.
-
-Fri Apr 26 16:10:46 1996 Doug Evans <dje@cygnus.com>
-
- * sparc/sparc.md (*smacsi,*smacdi,*umacdi): Fix constraint on
- operand 0.
-
-Fri Apr 26 14:36:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * gcc/config/i960/t-{960bare,vxworks960} (MULTILIB*): Add
- soft-float multilib support.
-
-Fri Apr 26 06:38:56 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * stor-layout.c (layout_decl): Turn off DECL_BIT_FIELD for BLKmode
- that's properly aligned and a multiple of a byte.
-
-Thu Apr 25 22:43:19 1996 Doug Evans <dje@cygnus.com>
-
- * i386/gas.h (ASM_OUTPUT_ALIGN): #if 0 out again.
- Undoes change of Apr. 9.
- * i386/go32.h (ASM_OUTPUT_ALIGN): Define.
-
-Thu Apr 25 14:05:33 1996 Richard Kenner (kennervlsi1.ultra.nyu.edu)
-
- * calls.c (expand_call): In inlining case, if BEFORE_CALLS is
- zero, start looking at first insn (one more place).
-
- * expr.c (expand_builtin, case BUILT_IN_SETJMP): CLOBBER the
- static chain after label at setjmp point.
-
-Thu Apr 25 09:02:24 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.c (print_operand{,_address}): Correct compile error if
- TARGET_EABI is not defined. Also, just call small_data_operand,
- without testing the ABI.
- (rs6000_select_section): Ditto.
-
- * rs6000/sysv4.h (CC1_SPEC): For -mcall-solaris, don't pass
- -mno-main-init.
-
-Wed Apr 24 18:26:48 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * collect2.c (handler): Delete export_file when we get a signal.
-
-Wed Apr 24 14:54:44 1996 Jeffrey A. Law <law@cygnus.com>
-
- * pa/pa1-ghpux.h (LINK_SPEC): Define. Link in PA1.1 libraries
- by default.
- * pa/{pa1-ghpux9.h, pa1-hpux.h, pa1-hpux9.h}: Likewise.
-
-Wed Apr 24 11:12:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * configure (powerpc{,le}-*-eabi*): Use t-ppc{,gas}, instead of
- t-eabi{,gas}.
- (powerpc-*-linux,powerpcle-*-solaris): Add definitions.
- (MULTILIB_DIRNAMES): Pick shorter names for the multilib
- directories.
- (MULTILIB_*): Do not build -msdata versions of the library. Build
- both system V and eabi versions of the libraries.
-
- * rs6000/t-ppc{,gas} (MULTILIB*): Don't build -msdata versions of
- the libraries. Split -mcall-sysv libraries into
- -mcall-sysv-{eabi,noeabi} varients.
- (LIB2FUNCS_EXTRA): Add eabi.S, eabi-ctors.c.
- (eabi.S): Use eabi.S, not eabi.s for eabi.asm.
- (crt files): Add support for Solaris crt files.
-
- * rs6000/sol{2.h,-c0.c,-ci.asm,-cn.asm}: New files for Solaris
- support.
-
- * rs6000/linux.h: New file for Linux support.
-
- * rs6000/eabi-ci.asm (ppc-asm.h): Include.
- (.got section): Correct attribute.
-
- * rs6000/eabi-c{i,n}.asm (.init,.finit): Add support for System V
- style .init/.fini sections, that constructors and destructors
- place a bl <func> in the appropriate section.
-
- * rs6000/eabi-ctors.c (__do_global_{c,d}tors): Call __init, and
- __fini to handle constructors/destructors in the .init, .fini
- sections.
-
- * rs6000/{eabi,sysv}.h: Move most eabi configuration stuff from
- eabi.h to sysv.h.
-
- * rs6000/sysv.h (TARGET_*): Convert -mcall-xxx from a switch into
- an option. Add -mcall-{solaris,linux,sysv-eabi,sysv-noeabi}
- options. Add -m{,no-}eabi options to control whether we adhere to
- the System V spec or the EABI spec. Add -m{,no-}regnames to
- control whether registers are printed out as %r0 instead of 0.
- (SUBTARGET_OVERRIDE_OPTIONS): Add support for new -mcall options.
- (FP_ARG_MAX_REG): Use new macros for ABI conformance.
- (RS6000_REG_SAVE): Ditto.
- (STACK_BOUNDARY,BIGGEST_ALIGNMENT): If eabi, align to 8 byte
- boundary, otherwise 16 byte.
- (EXTRA_SECTIONS): Add .init, .fini sections.
- (*_SPEC): Reorganize so that the different targets all have sub
- specs that go in the specs file. Add support for linux and
- Solaris targets.
-
- * rs6000/{sysv4,eabi}*.h (*_SPECS): Only override the default
- spec, all other specs moved to sysv4.h.
- (RS6000_ABI_NAME): Use RS6000_ABI_NAME to set the default ABI
- name, not TARGET_DEFAULTS.
-
- * rs6000/xm-sysv4.h (alloca): Properly declare alloca if compiler
- is not GCC.
- (DONT_DECLARE_SYS_SIGLIST): Define.
-
- * rs6000.c (rs6000_abi_name): New global for getting the results
- of -mcall-xxx.
- (rs6000_reg_names): New global for holding the normal register
- names.
- (alt_reg_names): Alternate register names for -mregnames.
- (rs6000_override_options): If -mregnames, copy alt_reg_names into
- rs6000_reg_names.
- (input_operand): Recognize ABI_SOLARIS.
- (small_data_operand): Ditto.
- (init_cumulative_args): Ditto.
- (function_arg{,_boundary,_advance,_partial_nregs}): Ditto.
- (function_arg_pass_by_reference): Ditto.
- (setup_incoming_varargs): Ditto.
- ({rs6000,debug}_stack_info): Ditto.
- (output_{prolog,epilog}): Ditto.
- (print_operand): %$ prints '.' on Solaris, '$' elsewhere.
- (print_operand{,_address}): If not eabi, use @sdarel for small
- data references.
- (rs6000_stack_info): Only emit __eabi call if TARGET_EABI.
-
- * rs6000.h (*_SPECS): Move the System V specs to svr4.h.
- (ABI_SOLARIS): New ABI, mostly like System V.
- (EXTRA_CONSTRAINT): Use ABI_SOLARIS like ABI_V4.
- (RETURN_ADDRESS_OFFSET): Ditto.
- (LEGITIMATE_SMALL_DATA_P): Ditto.
- (RETURN_IN_MEMORY): On Solaris, small structures are returned in
- registers.
- (REGISTER_NAMES): Use rs6000_reg_names array, instead of string
- literals.
- (DEBUG_REGISTER_NAMES): Define.
- (ADDITIONAL_REGISTER_NAMES): Add sp, toc aliases.
- (PRINT_OPERAND_PUNCT_VALID_P): Recognize $ as a punctuation char.
-
- * rs6000.md (got & call patterns): Use ABI_SOLARIS to mean the
- same as ABI_V4.
- (branch patterns): Use %$ for the current location, not just $.
-
- * va-ppc.h: Add Solaris support.
-
-Tue Apr 23 20:02:13 1996 Doug Evans <dje@cygnus.com>
-
- * sparc/sparc.c (output_function_prologue): In -mbroken-saverestore
- case, %sp = %fp - size.
- * sparc/t-splet (TARGET_LIBGCC2_CFLAGS): Delete.
- * sparc/sparc.md (isa attribute): Add sparclet.
- (*smacsi,*smacdi,*umacdi): Use match_operand, not match_dup
- for third arg.
- (*mulsidi3_sp32,const_mulsidi3,*umulsidi3_sp32,const_umulsidi3): Use
- smuld,umuld for sparclet.
-
-Tue Apr 23 16:28:28 1996 Michael Meissner <meissner@wombat.gnu.ai.mit.edu>
-
- * config/m68k/m68kemb.h: Add {LINK,STARTFILE,LIB,SUBTARGET}_SPEC, so
- gcc will use libgloss for supported target boards {idp,mvme,bcc}.
-
-Tue Apr 23 16:00:28 1996 Per Bothner <bothner@cygnus.com>
-
- * expr.c (store_constructor): Fix test for missing array elements.
-
-Tue Apr 23 11:21:09 1996 Stephen L Moshier (moshier@world.std.com)
-
- * config/i386/sco5.h (BSS_SECTION_ASM_OP): Use `data' directive.
- (ASM_OUTPUT_ALIGNED_LOCAL): Generate an `lcomm' directive.
- (TARGET_DEFAULT): Include TARGET_IEEE_FP.
- (CPP_PREDEFINES): Include Di386.
-
-Mon Apr 22 12:00:46 1996 David Edelsohn <edelsohn@mhpcc.edu>
-
- * rs6000.h (BIGGEST_FIELD_ALIGNMENT): Delete.
- (ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Define.
- * sysv4.h (BIGGEST_FIELD_ALIGNMENT): Delete.
- (ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Undefine.
- * win-nt.h (ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Undefine.
-
-Sun Apr 21 17:52:36 1996 Jim Wilson <wilson@cygnus.com>
-
- * m68k/coff.h (ASM_OUTPUT_SECTION): Test DECL before
- dereferencing it.
-
- * cse.c (cse_process_notes): Handle SUBREG like ZERO_EXTEND.
-
-Sun Apr 21 12:57:12 1996 Doug Evans <dje@cygnus.com>
-
- * arm/aout.h (ASM_OUTPUT_MI_THUNK): Define.
-
-Sun Apr 21 09:50:09 1996 Stephen L Moshier (moshier@world.std.com)
-
- * choose-temp.c: Include sys/types.h before sys/file.h for sco3.2v5.
-
-Sun Apr 21 08:42:13 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * alpha.c (check_float_value): Cast args of bcopy to avoid warnings.
-
-Sat Apr 20 21:22:21 1996 David Edelsohn <edelsohn@mhpcc.edu>
-
- * stor-layout.c (layout_record): Use ADJUST_FIELD_ALIGN to modify
- alignment of fields within records.
-
-Sat Apr 20 19:55:33 1996 Niels Moller <nisse@lysator.liu.se>
-
- * c-parse.in (typespec): Made <SomeProtocol> equivalent
- to (id <SomeProtocol>).
- (non_empty_protocolrefs): New nonterminal.
-
-Sat Apr 20 08:34:02 1996 J"orn Rennecke (amylaar@meolyon.hanse.de)
-
- * stmt.c (check_for_full_enumeration_handling): Call case_tree2list
- before checking for case expressions not corresponding to enumerators.
- (mark_seen_cases): If SPARSENESS == 2, exploit AVL order.
- Else, convert tree to list.
- Set xlo to -1 if SPARSENESS == 1 search failed.
- (expand_end_case): Avoid calling case_tree2list on list.
-
-Fri Apr 19 16:54:57 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000/win-nt.h (BIGGEST_FIELD_ALIGNMENT): Set to 64, not
- 32 that AIX uses.
-
-Fri Apr 19 16:40:38 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * i386.md (movqi): Handle QImode values in %si and %di.
-
-Thu Apr 18 20:56:56 1996 Jim Wilson <wilson@cygnus.com>
-
- * sh.md (lshrsi3): Change gen_ashlsi3_d to gen_lshrsi3_d.
-
-Thu Apr 18 15:49:28 1996 Per Bothner <bothner@cygnus.com>
-
- * sparc.h (ASM_OUTPUT_MI_THUNK): Define.
-
-Thu Apr 18 15:19:26 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300.md: Remove "type" attribute from all patterns
- except those which have varying length branches. Eliminate
- obsolete "type" attributes. Add additional comments about insn
- length computation problems and further optimizations. Add
- "length" and "cc" attributes to insns without them, fix a few
- length computations. Remove patterns which are commented out.
-
- * h8300.md (zero extension expanders and insns): Simplify, fix various
- length problems, provide optimized versions for the h8300 and h8300h.
- (sign extension expanders and insns): Likewise. Make them
- nearly identical to zero_extension patterns and insns.
-
-Wed Apr 17 18:50:16 1996 Jeffrey A. Law <law@cygnus.com>
-
- * pa.h (SELECT_SECTION): Define. Never place a something
- into the read-only data section if it requires a reloc.
-
- * pa.md (rotlsi3): Delete unnecessary and incorrect pattern.
-
-Wed Apr 17 17:15:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.md (movdi): Never FAIL, even if operand[1] is not a
- general operand, due to being in volatile memory.
-
-Wed Apr 17 15:20:10 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
-
- * c-lex.c (check_newline): Rewrite to use tokens.
- (handle_sysv_pragma): Take a token instead of a character.
- * i960.c (process_pragma): Take the IDENTIFIER_POINTER tree
- node instead of a character.
- * sh.c (handle_pragma): Likewise.
- * config/nextstep.c (handle_pragma): Likewise.
- * h8300.c (handle_pragma): Likewise.
- * i960.h (HANDLE_PRAGMA): Expect/pass 2nd arg of NODE, not CH.
- * sh.h (HANDLE_PRAGMA): Likewise.
- * config/nextstep.h (HANDLE_PRAGMA): Likewise.
- * h8300.h (HANDLE_PRAGMA): Likewise.
-
-Wed Apr 17 14:28:43 1996 Doug Evans <dje@cygnus.com>
-
- * choose-temp.c: Don't include sys/file.h ifdef NO_SYS_FILE_H.
- #include <stdio.h>.
- (choose_temp_base): Make tmp,usrtmp, static locals.
-
-Wed Apr 17 08:41:02 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * alpha.c (alpha_emit_conditional_move): Fix some bugs in previous
- change and do some cleanup.
-
-Tue Apr 16 18:53:05 1996 Jim Wilson <wilson@cygnus.com>
-
- * reload.c (push_reload): Add extra reload for inside of SUBREG if
- it is CONSTANT_P.
-
- * expr.c (do_store_flag): Rewrite last change to avoid compiler
- warnings.
-
- * reload.c (push_reload): When reuse an old reload, set the modes
- to be the larger of the old and new modes.
-
- * i960/t-960bare (xp-bit.c): Fix typo in source file name.
-
-Tue Apr 16 18:09:16 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300/h8300.md (andhi3): If 2nd operand is a CONST_INT that
- meets the 'J' constraint, then only two bytes are needed for
- this insn. Improve code generated for the h8300h when both
- operands are registers.
- (iorhi3, xorhi3): Likewise. Rework to be nearly identical to andhi3.
- (andsi3): If 2nd operand is a CONST_INT that meets the 'J'
- constraint, then only two bytes are need for this insn.
- Improve code generated for the h8300h regardless of the
- type of the 2nd operand. Make this pattern work on the h8300 too.
- (iorsi3, xorsi3): Likewise. Rework to be nearly identical to andsi3.
- (iorqi3_internal): Make this pattern look more like andqi3_internal.
- (one_cmplhi2, one_cmplsi2): Fix length computation for H8300H.
-
-Tue Apr 16 17:43:25 1996 J"orn Rennecke (amylaar@meolyon.hanse.de)
-
- * i386.md (addsidi3_2): Handle non-MEM overlap case.
-
-Tue Apr 16 16:59:49 1996 Richard Henderson <rth@tamu.edu>
-
- * function.c (expand_function_end): Allow TRAMPOLINE_TEMPLATE
- to be omitted on systems for which it is not cost effective.
- * varasm.c (assemble_trampoline_template): No such function
- if no TRAMPOLINE_TEMPLATE.
- * m68k.h: Greatly simplify the run-time trampoline code:
- (TRAMPOLINE_TEMPLATE, TRANSFER_FROM_TRAMPOLINE): Delete define.
- (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Changed.
- (TRAMPOLINE_ALIGN): No point aligning to cache line.
- (FINISH_INIT_TRAMPOLINE): New define.
- * m68k/next.h: Instead of redefining INITIALIZE_TRAMPOLINE,
- make use of the new FINISH_INIT_TRAMPOLINE.
- * m68k/{m68k.h,next.h,aux.h} (FINISH_INIT_TRAMPOLINE):
- Rename to FINALIZE_TRAMPOLINE.
- * m68k/{linux.h,m68kv4.h}: Override trampoline macros.
-
-Tue Apr 16 16:02:50 1996 David Edelsohn <edelsohn@mhpcc.edu>
-
- * combine.c (make_field_assignment): Allow XOR in final case.
-
-Tue Apr 16 11:33:53 1996 J.T. Conklin <jtc@rtl.cygnus.com>
-
- * m68k.h (TARGET_SWITCHES): Don't remove MASK_68060 with -msoft-float.
-
- * m68k.h (MULL_COST, MULW_COST, RTX_COSTS): Add costs for TARGET_68060.
- * m68k.md (ashlsi_16, lshrsi_16): Disable pattern for TARGET_68060;
- this special case is not faster for that cpu.
-
-Tue Apr 16 10:54:55 1996 Eliot Dresselhaus <dresselh@rft30.nas.nasa.gov>
-
- * alpha.c (alpha_emit_conditional_move): New function.
- * alpha.h (alpha_emit_conditional_move): Declare it.
- * alpha.md (cmov* define_expands): Use it.
-
-Tue Apr 16 09:06:17 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
-
- * function.h (struct function): New field returns_pointer.
- * function.c (push_function_context_{to,from}): Save and restore
- current_function_returns_pointer.
-
- * config/svr4.h (ENDFILE_SPEC): Add missing `%s'.
-
- * configure (m68k-*-linux*aout*): Set tmake_file to m68k/t-linux-aout.
- (m68k-*-linux*): Set extra_parts.
- * m68k/t-linux (INSTALL_ASSERT_H): New definition.
- (CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): New definitions.
- * m68k/t-linux-aout: New file.
- * m68k/linux.h (LIB_SPEC): Deleted.
- (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS): Define.
-
- * m68k.h (TRAMPOLINE_ALIGNMENT): Specify alignment in bits, not bytes.
-
-Tue Apr 16 08:53:17 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
-
- * final.c (final_scan_insn): Allow removal of redundant test and
- compare instructions that use clobbers.
-
-Tue Apr 16 06:22:00 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * c-decl.c (clear_limbo_values): New function.
- (pushdecl): Call it for function body blocks.
-
- * objc/thr-decosf1.c (_objc_thread_id): Correct return type from
- int to _objc_thread_id.
-
- * expr.c (expand_builtin, case BUILT_IN_LONGJMP): Make a decl
- for __dummy, so we can call make_function_rtl on it.
-
- * expr.c (expand_assignment): Don't pre-evaluate RHS if a CALL_EXPR
- with a variable-size return.
-
-Mon Apr 15 17:38:45 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * fixincludes: Fix undefined VOIDFUNCPTR in VxWorks 5.2 <time.h>.
-
-Mon Apr 15 15:12:16 1996 Jim Wilson <wilson@cygnus.com>
-
- * expr.c (do_store_flag): Before calling exact_log2, remove any
- sign extension bits.
-
- * reload1.c (emit_reload_insns): Call reload_reg_reaches_end_p for
- every reg of multi-reg spill register. Invalidate old info for multi
- reg spill registers when only part survives to the end.
-
-Mon Apr 15 14:49:12 1996 Mike Stump <mrs@cygnus.com>
-
- * function.c (preserve_temp_slots): Only preserve temporaries that
- happen to be at the current level.
-
-Mon Apr 15 14:08:12 1996 Doug Evans <dje@canuck.cygnus.com>
-
- * gansidecl.h: New file.
- * choose-temp.c: New file.
- * Makefile.in (xgcc): Depend on and link in choose-temp.o.
- (collect2): Likewise.
- (choose-temp.o): Add rule for.
- * collect2.c: #include "gansidecl.h".
- (const,PROTO): Delete.
- (P_tmpdir): Delete.
- (choose_temp_base): Declare as extern, delete internal copy.
- (main): Update call to choose_temp_base.
- * cpphash.c: #include "gansidecl.h".
- (NULL,const,volatile): Delete.
- * demangle.h: #include "gansidecl.h".
- (PROTO,PTR,const): Delete.
- * expr.h (const): Delete.
- * fix-header.c: #include "gansidecl.h".
- (const): Delete.
- * gcc.c: #include "gansidecl.h".
- (PROTO,VPROTO,PVPROTO,VPROTO,VA_START,NULL): Delete.
- (GENERIC_PTR,NULL_PTR,P_tmpdir): Delete.
- (choose_temp_base): Declare as extern, delete internal copy.
- (concat): Rewrite to take a variable number of arguments.
- (choose_temp_base_try,concat[346]): Delete.
- (translate_options,set_spec,process_command,do_spec_1,
- is_directory,main): Always use concat, not concat[346]. Pass
- NULL_PTR as trailing arg to concat.
- * genattr.c (main): Delete printing of "#define PROTO".
- * machmode.h: #include "gansidecl.h".
- (PROTO): Delete.
- (HAVE_MACHINE_MODES): Move definition to standard place.
- * recog.h: #include "gansidecl.h".
- (PROTO,const): Delete.
- * rtl.h: #include "gansidecl.h".
- (PROTO,VPROTO,PVPROTO,VPROTO,VA_START,STDIO_PROTO): Delete.
- (NULL,GENERIC_PTR,NULL_PTR): Delete.
- * tree.h: Likewise.
-
-Mon Apr 15 08:49:20 1996 Tom May (ftom@netcom.com)
-
- * cse.c (invalidate_skipped_set): Ignore CLOBBER after calling
- note_mem_written, not before.
-
-Mon Apr 15 08:22:03 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
-
- * m68k.md (tstdi): Optimized for "d" case.
- (movqi): Allow moving "i" into "a".
- (zero_extendsidi2): Alternatives merged.
- (extendplussidi): Fixed when operands 0 and 1 share a register.
- (adddi_sexthishl32): Constraints reordered for better reload.
- (adddi3,subdi_sexthishl32,subdi3,negdi2): Likewise.
- (ashldi_sexthi): Accept "m" as operand 0.
- (ashldi_const32): Alternatives merged.
- (ashift patterns): Output "lsl" instead of "asl".
- (beq0_di): If condition codes already set, output only branch insn.
- (bne0_di,bge0_di,blt0_di): Likewise.
- * m68k.c (notice_update_cc, case ASHIFT{,RT}, LSHIFTRT, ROTATE{,RT}):
- Don't set CC_NO_OVERFLOW.
- * m68k.h (TARGET_SWITCHES): Fix typo in "c68000" entry.
-
-Mon Apr 15 08:06:17 1996 Stephen L Moshier (moshier@world.std.com)
-
- * real.c (eadd1): Check for overflow on X plus X.
-
-Mon Apr 15 08:02:24 1996 J.T. Conklin <jtc@cygnus.com>
-
- * i386/netbsd.h (HAVE_SYSV_PRAGMA): Removed definition.
- * config/netbsd.h (HAVE_SYSV_PRAGMA): Define.
- (SET_ASM_OP): Define.
-
-Mon Apr 15 07:28:54 1996 Fila Kolodny <fila@ibi.com>
-
- * configure: Add definition for host= into Makefile.
- * build-make (CC): Pass -b $(host), not target.
-
-Mon Apr 15 05:12:39 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * expr.c (bc_expand_increment): Change declaration to return void.
-
- * toplev.c (max_label_num_after_reload): New variable.
- (rest_of_compilation): Set it.
- * reorg.c (find_dead_or_set_registers): Only kill spill regs after
- label made before jump2.
-
- * combine.c (expand_field_assignment): Take SUBREG_WORD into
- account when have STRICT_LOW_PART.
- (make_extraction): Make a STRICT_LOW_PART at any low-order word.
-
-Mon Apr 15 03:43:11 1996 Jeffrey A. Law <law@cygnus.com>
-
- * flags.h (flag_function_sections): Declare.
- * toplev.c (flag_function_sections): Define.
- (compile_file): Add warnings when -ffunction-sections is
- used with -g, or profiling. Disable -ffunction-sections
- when profiling is used. Add warning when -ffunction-sections
- is used on a target that doesn't support it.
- * varasm.c (named_section): Make a copy of the section name
- in case the original is in temporary storage.
- (function_section): Set DECL_SECTION_NAME for each function
- if flag_function_sections is on and the target supports it.
- * dbxout.c (dbxout_function_end): New function.
- (dbxout_function): Call dbxout_function_end if using extensions
- and flag_function_sections is on.
- * sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Prefix a function
- section's name with ".text%" when -ffunction-sections.
-
-Sun Apr 14 19:37:43 1996 Doug Evans <dje@cygnus.com>
-
- * toplev.c (main): Delete redundant test for -p used with -fbytecode.
-
-Sun Apr 14 19:01:59 1996 John F. Carr <jfc@mit.edu>
-
- * c-decl.c (finish_enum): Don't crash if no type can represent all
- enumeration values.
-
-Sun Apr 14 18:56:40 1996 J.T. Conklin <jtc@rtl.cygnus.com>
-
- * m68k.md (ftruncdf2): Enable for m68060 systems.
-
-Sun Apr 14 18:49:30 1996 David L. Reese (david.reese@east.sun.com)
-
- * fold-const.c (range_test): Don't convert hi_cst or lo_cst
- to unsigned when folding signed range tests.
-
-Sun Apr 14 08:56:27 1996 Stephen L Moshier <moshier@world.std.com>
-
- * real.h (ereal_from_{int,uint}): Add new arg, MODE.
- (REAL_VALUE_FROM{,_UNSIGNED}_INT): New arg, MODE.
- * real.c (ereal_from_{int,uint}): New arg, MODE.
- * cse.c (simplify_unary_operation): Add new arg to REAL_VALUE_FROM_INT.
- * fold-const.c (fold_convert): Likewise.
- * tree.c (real_value_from_int_cst): New arg, TYPE.
- Pass mode to REAL_VALUE_FROM_INT.
- (build_real_from_int_cst): Properly deal with truncation.
-
-Sun Apr 14 08:21:29 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * combine.c (try_combine): When substituting in output of I2,
- ensure dest isn't clobbered in I2.
-
- * combine.c (combine_instructions): In initial scan of insns,
- handle a REG_INC note's affect on sign bit copies and nonzero bits.
- (set_nonzero_bits_and_sign_copies): Treat a zero SET arg as a CLOBBER.
-
-Sun Apr 14 07:52:28 1996 Manor Askenazi <manor@santafe.edu>
-
- * objc/encoding.c (objc_skip_typespec): Don't abort for _C_UNDEF.
-
-Sat Apr 13 20:35:36 1996 Richard Henderson (richard@atheist.tamu.edu)
-
- * configure (m68k-apple-aux*): Rework to take advantange
- of list of tm.h files and support all four gas/gld options.
- * m68k/auxas.h, m68k/auxgas.h, m68k/auxgld.h, m68k/auxld.h: New files.
- * m68k/auxstd.h, m68k/auxgnu.h: Deleted.
-
-Sat Apr 13 20:18:11 1996 Stephen L Moshier <moshier@world.std.com>
-
- * alpha.c (check_float_value): New function.
- * alpha.h (CHECK_FLOAT_VALUE): Define.
- (ASM_OUTPUT_FLOAT): Print the value in hex.
-
-Sat Apr 13 15:08:45 1996 Doug Evans <dje@canuck.cygnus.com>
-
- * configure: New target arm{,el}-*-coff*.
- (cpu_default): Sort alphabetically.
- * arm/coff.h: New file.
- * arm/t-bare: New file.
- * arm/arm.c (use_return_insn): Don't use return for naked functions.
- (arm_valid_machine_decl_attribute): New function.
- (arm_naked_function_p): New function.
- (output_func_prologue): Naked functions don't have prologues.
- (arm_expand_prologue): Likewise.
- (output_func_epilogue): Likewise with epilogues.
-
-Sat Apr 13 11:31:32 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300.c (adds_subs_operand): Fix thinko in last change.
-
- * h8300.md (subhi3): Turn into a define_expand.
- (subhi3 using adds_subs): New pattern.
- (H8300 subhi): Derived from old subhi pattern. Simplified.
- (H8300H subhi): Likewise.
- (subsi using adds_subs): New pattern. Only used on H8300H.
- (subsi_h8300): Allow "a" registers as destination.
- (subsi_h8300h): Allow "a" registers as destination. Simplify.
-
- * h8300.md (bcs_qiqi, bcs_hihi, bs_hiqi): Fix thinkos
- in last change.
-
-Sat Apr 13 08:59:48 1996 Fila Kolodny <fila@ibi.com>
-
- * i370/mvs.h (ASM_DECLARE_FUNCTION_NAME): Don't write anything to
- asm file, because everything is handled in FUNCTION_PROLOGUE.
-
-Sat Apr 13 07:55:38 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * alpha.c (alpha_emit_set_const_1): Renamed from
- alpha_emit_set_const and static.
- Remove change of Nov 26; again use normal mechanism for SImode.
- (alpha_emit_set_const): New function.
-
-Fri Apr 12 18:19:39 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300.c (adds_subs_operand, output_adds_subs): New functions.
- * h8300.md (addhi3): Turn into a define_expand.
- (addhi3 using adds_subs): New pattern.
- (H8300 addhi): Derived from old addhi pattern. Simplified.
- (H8300H addhi): Likewise.
- (addsi using adds_subs): New pattern. Only used on H8300H.
- (addsi_h8300): Allow "a" registers as destination.
- (addsi_h8300h): Simplify. Allow "a" registers as destination.
-
- * h8300.md (bcs): New attribute type.
- (default_length): Compute correct length for bcs insns.
- (bcs_qiqi, bcs_hihi, bs_hiqi): Use new type and update
- to account for correct length computation.
-
- * h8300/h8300.md (movhi_internal): Demand at least one operand to
- be a register.
- (movsi_h8300): Optimize loading certain constants.
- (movsi_h8300h): Likewise.
-
- * h8300.h (NO_FUNCTION_CSE): Comment out.
- (FUNCTION_ARG_REGNO_P): Properly define for TARGET_QUICKCALL.
- (RETURN_IN_MEMORY): Don't return small structs in regs.
-
- * h8300.c (const_costs): -4 and 4 are cheap on the h8300h.
- (notice_update_cc): Remove references to "value2" field.
-
- * h8300.c (dosize): Remove unused "fped" argument. All callers
- changed. Handle add/sub of 5-8 bytes efficiently on the h8300h.
-
- * h8300.c (print_operand): Handle new 'R' case for accessing
- the 8-bit area. Make code for 'Y' fall into code for 'R' when
- operand is not a register. Update some comments.
- (h8300_tiny_data_p): New function.
- (h8300_valid_machine_decl_attribute): Handle "tiny_data" attribute.
- * h8300.h (OK_FOR_U): Handle memory references into the
- 8-bit area.
- (ENCODE_SECTION_INFO): Mark SYMBOL_REFs which refer to 8-bit area.
- * h8300.md (many patterns): Use 'R' rather than 'X' for
- operands that may be memory accesses into the 8-bit area.
- (btst pattern): New pattern to set the cc0 (zbit) based on
- data in the 8-bit area.
-
- * h8300.md (one_cmplsi2): Fix length computation for h8300h.
-
-Fri Apr 12 14:34:39 1996 Doug Evans <dje@cygnus.com>
-
- * arm.md (*ldmsi,*stmsi): Use (mem (match_operand ...))
- to avoid using indirect_operand (reload problems).
- * arm/semi.h (CPP_PREDEFINES): Define __semi__ instead of semi.
- * arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Use LOCAL_LABEL_PREFIX.
- (ASM_OUTPUT_ADDR_{VEC,DIFF_ELT}): Likewise.
-
-Fri Apr 12 09:43:30 1996 Jason Merrill <jason@yorick.cygnus.com>
-
- * dbxout.c (dbxout_typedefs): Don't emit incomplete types yet.
- (dbxout_symbol): Use DECL_ARTIFICIAL to recognize C++ implicit
- typedefs.
-
-Thu Apr 11 21:56:26 1996 Doug Evans <dje@cygnus.com>
-
- * i386/t-winnt (winnt.o): Rewrite based on .c.o rule.
- (oldnames.o,spawnv.o): Add rules for.
-
-Thu Apr 11 07:25:06 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * calls.c (expand_call): In inlining case, if BEFORE_CALLS is
- zero, start looking at first insn.
-
- * expr.c (preexpand_calls, case CALL_EXPR): Rework to properly
- avoid expanding functions returning variable size objects.
-
- * integrate.c (expand_inline_function): When comparing types
- of formal and actual, use TYPE_MAIN_VARIANT.
-
-Thu Apr 11 00:48:29 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300/lib1funcs.asm (modnorm): New function(s). Like divnorm,
- but gets the sign bit right for modulo operations.
- (__modhi3, modsi3): Use modnorm.
-
- * h8300/h8300.c (dosize): On the h8300h, do 4 byte adjustments
- using adds and subs.
- * h8300/h8300.h (LONG_LONG_TYPE_SIZE): Always make this 32bits.
- Reverses change from Apr 2, 1996.
-
-Wed Apr 10 18:39:52 1996 Doug Evans <dje@canuck.cygnus.com>
-
- * sparc.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
- (FUNCTION_PROFILER): Use ASM_GENERATE_INTERNAL_LABEL instead.
-
- * sparc.c (sparc_override_options): 90c701 renamed to tsc701.
- (eligible_for_epilogue_delay_slot): Don't allow anything if
- -mbroken-saverestore.
- (output_function_prologue): Only use trivial save's if
- -mbroken-saverestore.
- * sparc.h (CPP_SPEC): Handle -mcpu={sparclet,tsc701}.
- (ASM_SPEC): Likewise.
- ({MASK,TARGET}_BROKEN_SAVERESTORE): Define.
- (enum processor_type): 90C701 renamed to TSC701.
- * sparc.md (attr cpu): 90c701 renamed to tsc701.
- * sparc/splet.h (SUBTARGET_SWITCHES): Recognize -mbroken-saverestore.
-
-Wed Apr 10 17:56:02 1996 Stan Cox <coxs@dg-rtp.dg.com>
-
- * m88k/dgux.h (EXTRA_SPECS): Define.
- (ASM_SPEC,CPP_SPEC,STARTFILE_SPEC): Use EXTRA_SPECS.
- * m88k/dguxbcs.h (ASM_SPEC,CPP_SPEC,STARTFILE_SPEC): Use EXTRA_SPECS.
- * m88k/m88k.c (output_ascii) Output literal HT.
-
-Wed Apr 10 17:28:37 1996 James Carlson (carlson@xylogics.com)
-
- * configure: Work around AIX bug when defining SUBDIRS.
-
-Wed Apr 10 17:22:42 1996 Paul Eggert <eggert@twinsun.com>
-
- * cexp.y (parse_number): Don't reject long long constants unless
- pedantic.
-
-Wed Apr 10 17:19:56 1996 Stephen L. Moshier (moshier@world.std.com)
-
- * real.c (e64toe): Properly distinguish between NaN and infinity
- bit patterns for real-words-big-endian targets.
-
-Wed Apr 10 17:17:26 1996 Richard Earnshaw (rearnsha@armltd.co.uk)
-
- * real.c (endian): Add two explicit casts.
- (e64toe): Support ARM extended precision fp format.
- Check negative infinities properly for NaNs.
- (toe64): Support ARM extended precision fp format.
-
-Tue Apr 9 12:53:31 1996 Doug Evans <dje@canuck.cygnus.com>
-
- * i386/gas.h (ASM_OUTPUT_ALIGN): Define and use .balign.
-
-Tue Apr 9 12:48:45 1996 Stephen L Moshier (moshier@world.std.com)
-
- * sparc.c (fp_zero_operand): Exclude -0.0.
-
-Tue Apr 9 07:11:24 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * alpha.c: Fix typo in last change.
-
- * tree.c (substitute_in_expr): Don't return new expression if
- nothing changed.
- (substitute_in_type): Deleted, not used.
- * tree.h (substitute_in_type): Delete declaration.
-
-Mon Apr 8 16:30:18 1996 Jeffrey A. Law <law@cygnus.com>
-
- * flow.c (find_auto_inc): Also make sure there aren't
- any sets of the incremented register between the memory
- reference and increment insn.
-
-Mon Apr 8 15:41:14 1996 John Polstra (jdp@polstra.com)
-
- * configure (i[3456]86-*-freebsdelf*): New target.
- * i386/freebsd-elf.h: New file.
- * i386/x-freebsd (USER_H): New define; to null.
-
-Mon Apr 8 14:44:41 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * c-decl.c (finish_function): Always warn if main doesn't return int.
-
-Mon Apr 8 13:01:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * rs6000.c (got_operand): New function, returns true if the
- operand can go in V.4's GOT.
- (rs6000_pic_register): New variable.
- (output_epilog): Reset rs6000_pic_register.
-
- * rs6000.h (rs6000_pic_register,got_operand,flag_pic): Add
- declarations.
- (PREDICATE_CODES): Add got_operand.
-
- * rs6000.md (movsi): Add support for V.4's -fpic and -FPIC.
- (init_v4_pic): Initialize the V4 pic register if needed.
- (call patterns): If -fpic/-fPIC, call function with @plt suffix.
-
- * t-eabigas (MULTILIB_DIRNAMES): Remove errant pic directory.
-
- * rs6000.c (output_prolog): Correctly store & restore the
- arguments to main in their correct save location, when calling the
- start function.
-
-Mon Apr 8 13:01:37 1996 David Reese <Dave.Reese@East.Sun.COM>
-
- * rs6000.c (print_operand): Use reg_names to print registers.
-
-Fri Apr 5 00:40:19 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300.c (h8300_valid_machine_decl_attribute): Use underscores,
- not dashes in attributes.
- (h8300_funcvec_function_p): Corresponding changes.
- (h8300_interrupt_function_p): Likewise.
-
- * pa.h (INIT_CUMULATIVE_INCOMING_ARGS): Initialize "indirect"
- field to zero.
-
-Thu Apr 4 12:52:11 1996 Jim Wilson <wilson@chestnut.cygnus.com>
-
- * loop.c (combine_givs): Use new macro GIV_SORT_CRITERION.
- New variable giv_array. Loop over giv_array instead of following
- next_iv links.
- (giv_sort): New function.
- * sh.h (GIV_SORT_CRITERION): Define.
-
- * c-typeck.c (push_init_level): When output alignment for structure
- field, add check to verify it is the next field to be output.
-
-Thu Apr 4 12:19:26 1996 David Mosberger-Tang <davidm@AZStarNet.com>
-
- * alpha.c: Don't include stamp.h for Linux.
-
-Thu Apr 4 12:17:08 1996 Richardg Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * objc/Makefile: Rename thread* to thr*.
- * objc/thread.c: Rename thread-* to thr-*.
- * objc/thr-decosf1.c: Renamed from thread-decosf1.c
- * objc/thr-irix.c: Renamed from thread-irix.c.
- * objc/thr-single.c: Renamed from thread-single.c.
- * objc/thr-solarius.c: Renamed from thread-solaris.c.
- * objc/thr-win32.c: Renamed from thread-win32.c.
- * objc/objc-api.h: Include thr.h, not thread.h.
- * objc/runtime.h, objc/sarray.h: Likewise.
-
- * i386.md (ashldi3_const_int): Don't recognize if won't match
- constraint of operand 2.
-
-Thu Apr 4 11:40:55 1996 Michael Meissner <meissner@tiktok.cygnus.com>
-
- * config/fp-bit.c (EXTENDED_FLOAT_STUBS): If EXTENDED_FLOAT_STUBS
- is defined, define all of the XF/TF functions that might be
- generated that we don't have code for yet.
-
- * i960/t-(vxworks960,960bare): (LIB2FUNCS_EXTRA): Make and
- compile xp-bits.c that defines EXTENDED_FLOAT_STUBS.
-
- From: steve chamberlain <sac@slash.cygnus.com>
- * i386/x-cygwin32 (LANGUAGES): Delete.
- * i386/xm-cygwin32.h (EXECUTABLE_SUFFIX): Set to .exe.
- * rs6000/xm-cygwin32.h (EXECUTABLE_SUFFIX): Set to .exe.
-
-Wed Apr 3 14:10:16 1996 Jim Wilson <wilson@chestnut.cygnus.com>
-
- * expr.c (emit_push_insn): Clobber register only if it is non-zero.
-
-Wed Apr 3 11:31:55 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300.h (h8300_funcvec_function_p): Declaration moved here.
- * h8300.c (h8300_funcvec_function_p): Declaration removed from here.
- * h8300.md (tstqi): Tweak to work like other tstXX patterns.
- (cmphi): Turn into a define_expand. Add two anonymous
- matterns to match the output of the cmphi expander.
- (cmpsi): Accept constants as the second input operand.
-
-Tue Apr 2 13:52:30 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300.md (movqi_internal): Remove useless alternative(s). Fix
- lengths and simplify by reordering remaining alternatives.
- (movstrictqi, movhi_internal, movstricthi): Likewise.
- (movsi_h8300h, movsf_h8300h): Likewise.
-
- * h8300/h8300.c (extra_pop): Remove unused variable.
- (current_function_anonymous_args): Likewise.
- (function_prologue): Remove incorrect varargs/stdarg
- related code.
- (function_epilogue): Likewise.
- (function_arg): Never pass unnamed arguments in registers.
- * h8300.h (LONG_LONG_TYPE_SIZE): Use 64bits when ints are 32bits.
- (SETUP_INCOMING_VARARGS): Remove definition.
-
-Mon Apr 1 16:59:48 1996 Ian Lance Taylor <ian@cygnus.com>
-
- * fixincludes: Fix signal prototype on SunOS to avoid pedantic C++
- error.
-
-Mon Apr 1 16:16:34 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
-
- * expr.c (get_inner_reference): When finding mode to access bitfield
- that ends up properly aligned, use mode class of its type unless
- type's mode was BLKmode.
-
-Mon Apr 1 13:45:30 1996 Jeffrey A. Law <law@cygnus.com>
-
- * h8300.c (interrupt_handler): Renamed from pragma_interrupt.
- All references changed.
- (function_prologue): Set interrupt_handler if the current
- function has the "interrrupt-handler" attribute.
- (small_call_insn_operand): New function.
- (h8300_interrrupt_function_p): New function.
- (h8300_funcvec_function_p): New function.
- (h8300_valid_machine_decl_attribute): New function.
- * h8300.h (VALID_MACHINE_DECL_ATTRIBUTE): Define.
- * h8300.md (call insns): Handle calls through the
- function vector. Indirect calls and calls through
- the function vector have a length of two bytes.
-
-See ChangeLog.10 for earlier changes.
--- /dev/null
+Sat Aug 2 18:50:43 1997 Paul Eggert <eggert@twinsun.com>
+
+ * tree.c (int_fits_type_p): Negative ints never fit unsigned
+ types, and unsigned ints with top-bit-set never fit signed types.
+
+Sat Aug 2 16:25:43 1997 Per Bothner <bothner@frobnitz.gnu.ai.mit.edu>
+
+ * Makefile.in (EXTRA_C_OBJS): Removed.
+ (C_AND_OBJC_OBJS): New. Subsumes EXTRA_C_OBJS and OBJC_CCOMMON.
+ * objc/Make-lang.in (OBJC_CCOMMON): Removed.
+
+Sat Aug 2 16:11:57 1997 Doug Evans <dje@cygnus.com>
+
+ * configure.in: Build .gdbinit for top level build dir here.
+ (AC_OUTPUT): Pass oldstyle_subdirs to configure.lang.
+ * configure.lang: Fix building of .gdbinit for oldstyle lang subdirs.
+
+Sat Aug 2 13:48:15 1997 Ken Raeburn <raeburn@cygnus.com>
+
+ * cse.c (cse_insn): Ignore paradoxical SUBREGs unless we are
+ looking for such.
+
+Sat Aug 2 13:25:33 1997 Tristan Gingold (gingold@email.enst.fr)
+
+ * calls.c (expand_call): If -fcheck-memory-usage, use pseudo-register,
+ check indirectly called function is executable, and set rights of
+ memory for aggregate as write only.
+ (store_one_arg): If -fcheck-memory-usage, set rights for pushed
+ stack argument.
+ * c-decl.c (init_decl_processing): Add
+ __builtin_aggregate_incoming_address.
+ * explow.c (expr_size): Call expand_expr with appropriate flag.
+ * expr.c (expand_builtin, case BUILT_IN_AGGREGATE_INCOMING_ADDRESS):
+ New case.
+ (expand_assignment, expand_expr, emit_push_insn, store_expr):
+ Insert calls to chkr_check_addr, chkr_set_right, and chkr_copy_bitmap
+ when -fcheck-memory-usage.
+ (get_push_address, get_memory_usage_from_modifier): New functions.
+ * expr.h: Add expand_modifier flags.
+ (chkr_*_libfunc): New decls.
+ (memory_use_mode): New declaration.
+ * flags.h (flag_check_memory_usage, flag_prefix_function_name): New
+ declaration.
+ * function.c (put_var_into_stack, assign_parms): If
+ -fcheck-memory-usage, set the rights of pushed variable.
+ * optabs.c (chkr_{check_addr,set_right}_libfunc): New definitions.
+ (chkr_{copy_bitmap,check_exec}_libfunc): Likewise.
+ (init_optabs): Initialize these chkr_*_libfunc.
+ * stmt.c (expand_computed_goto): If -fcheck-memory-usage, check that
+ computed address of a goto is executable.
+ (expand_asm, expand_asm_operands): If -fcheck-memory-usage,
+ disallow asm statments.
+ * toplev.c (flag_check_memory_usage, flag_prefix_function_name): New
+ variable.
+ (f_options): Add `check-memory-usage' and `prefix_function_name'.
+ (main): Disable `-fomit-frame-pointer' if `-fcheck-memory-usage' is set
+ and the machine can't debug without the frame pointer.
+ * tree.h (built_in_function): Add BUILT_IN_AGGREGATE_INCOMING_ADDRESS.
+ * varasm.c (make_function_rtl, make_decl_rtl): Add a prefix when
+ flag_prefix_function_name_usage is set.
+ (assemble_name): Strip the CHKR_PREFIX.
+ * alpha.c (alpha_builtin_saveregs): If -fcheck-memory-usage,
+ set rights of saved registers.
+ * clipper.c (clipper_builtin_saveregs): Likewise.
+ * m88k.c (m88k_builtin_saveregs): Likewise.
+ * pa.c (hppa_builtin_saveregs): Likewise.
+ * sparc.c (sparc_builtin_saveregs): Likewise.
+
+Sat Aug 2 08:01:12 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * c-decl.c (grokdeclarator): Give error for `long double' and
+ refine text of some error messages.
+
+ * alpha.h (FLOAT_VALUE_TYPE, INTIFY, FLOATIFY, FLOAT_ARG_TYPE): Define.
+ * i860.h (FLOAT_VALUE_TYPE): Fix typo; was FLOAT_TYPE_VALLUE.
+
+ * calls.c (store_one_arg): Allow stack_slot to be SP in
+ ARGS_GROW_DOWNWARD case.
+
+ * c-decl.c (parmlist_tags_warning): Only suppress warning on
+ union if anonymous.
+
+ * libgcc2.c (_trampoline): Rework last change; both getpagesize
+ and mprotect are in cygwin32.
+
+ * reload1.c (reload): Add IN_ADDR to IN_ADDR_ADDR when computing
+ needs since they conflict.
+
+ * print-rtl.c (indent): Move to file level; was static in print_rtx.
+ (print_inline_rtx): New function.
+ * reload.c (debug_reload): Rework to make output more compact.
+
+ * dwarfout.c (output_compile_unit_die): Add support for Pascal.
+ * dwarf2out.c (gen_compile_unit_die): Likewise.
+
+ * c-typeck.c (lvalue_p, case BIND_EXPR, RTL_EXPR): Return 1 if array.
+
+ * Makefile.in (OBJC_OBJC): Delete from here.
+
+ * varasm.c (compare_constant_1, case STRING_CST): Compare TYPE_MODE.
+ (record_constant_1, case STRING_CST): Record TYPE_MODE.
+
+ * tree.c (contains_this_placeholder_p): Delete.
+ (contains_placeholder_p): Now contains code from above function.
+ (contains_placeholder_p, case 'r'): Don't look at offset info.
+ * expr.c (expand_expr, case PLACEHOLDER_EXPR): Find innermost
+ matching and don't check contains_placeholder_p.
+
+Fri Aug 1 17:15:07 1997 Per Bothner <bothner@cygnus.com>
+
+ * objc/objc-act.c (lang_init): Don't check_newline #if USE_CPPLIB.
+ * c-lex.c (lang_init): Remove (recently moved here).
+ * c-lang.c (lang_init): Restore, but add #if !USE_CPPLIB.
+
+Fri Aug 1 11:26:45 1997 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (pa_reorg): Explode ADDR_DIFF_VEC insns too.
+
+Thu Jul 31 19:37:22 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * libgcc2.c (getpagesize): Don't compile if __CYGWIN32__.
+
+Thu Jul 31 16:04:42 1997 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.c (output_to_reg, output_fix_trunc): Use scratch memory,
+ if available, instead of dynamically extending the stack.
+ (put_condition_code, print_operand): Added reverse_cc to reverse the
+ comparison when $ah is accessed directly instead of using eflags
+
+ * i386.md (*trunc*): Use scratch memory for output_fix_trunc.
+ (movsicc_1, movhicc_1) Change alternative 3 to:
+ jCC L1; mov; jmp L2; L1:mov; L2:
+ (movsfcc, movdfcc, movxfcc): Force constant operands to memory.
+ (movsfcc_1, movdfcc_1, movxfcc_1): Change alternative 3 as above.
+
+Thu Jul 31 16:04:42 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * i386.h (MAX_FIXED_MODE_SIZE): Define.
+
+Thu Jul 31 16:04:42 1997 Robert Lipe <robertl@dgii.com>
+
+ * i386/sco5.h (SWITCHES_NEED_SPACES) Define.
+ Required by the COFF (but not ELF) linker.
+
+Wed Jul 30 15:03:52 1997 Per Bothner <bothner@cygnus.com>
+
+ * demangle.h (DMGL_JAVA): New option to request Java demangling.
+ * cplus-dem.c: Various changes to produce Java output when passed
+ DMGL_JAVA. Thus "::" becomes "." and "JArray<Foo>" becomes "Foo[]".
+ (main): Support --java and -j flags to set DMGL_JAVA.
+
+Wed Jul 30 08:56:08 1997 Philip Blundell <Philip.Blundell@pobox.com>
+
+ * configure.in (arm-*-*): Replace with arm-*-aout.
+ * arm/aout.h (SET_ASM_OP): Define by default.
+ * arm/riscix.h (SET_ASM_OP: Undefine.
+ * arm.h (CPP_SPEC): Add %(subtarget_cpp_spec).
+ (SUBTARGET_CPP_SPEC): New macro.
+ * arm/linux.h: Include aout.h rather than arm.h directly.
+ (TARGET_CPU_DEFAULT): Define.
+ ({ASM,CPP}_SPEC): Remove.
+ * arm/t-linux (MULTILIB_OPTIONS): Use -mapcs-NN instead of -mN.
+ (LIB1ASMSRC): Use generic ARM version.
+ (CROSS_LIBGCC1): Define.
+ * arm/lib1funcs-linux.asm: Remove.
+
+Tue Jul 29 17:57:47 1997 Per Bothner <bothner@cygnus.com>
+
+ * Add hooks for using autconf-style Makefile.in in language subdirs.
+ * configure.in (all_outputs, oldstyle_subdirs): New variables.
+ Pass all_outputs to AC_OUTPUT.
+ * configure.lang: Only iterate over oldstyle_subdirs.
+
+ * Patches to use cpplib with cc1 #if USE_CPPLIB.
+ * configure.in (--enable-c-cpplib): New option.
+ (extra_c_flags, extra_c_objs): New variables.
+ * Makefile.in (EXTRA_C_OBJS): New variable.
+ (INTERNAL_CFLAGS): Add @extra_c_flags@.
+ (C_OBJS): Add $(EXTRA_C_OBJS).
+ * c-lex.c (generally): Replace getc and ungetc by macros GETC and
+ UNGETC. Avoid explicit references to finput.
+ (yy_get_token): New function, that calls cpp_get_token.
+ (init_parse): New function - calls init_lex.
+ (finish_parse): New function (called by compile_file).
+ (GET_DIRECTIVE_LINE): New macro wrapper replaces get_directive_line.
+ (lang_init): Don't check_newline - already know main_input_filename.
+ (handle_sysv_pragma): Remove FILE* parameter.
+ * toplev.c (finput): Remove #if USE_CPPLIB.
+ (compile_file): #if USE_CPPLIB don't open input file here,
+ do it in cpp_start_read. Call init_parse instead of init_lex.
+ At end, call finish_parse instead of fclose(finput).
+
+Mon Jul 28 15:48:29 1997 Brendan Kehoe <brendan@cygnus.com>
+
+ * integrate.c (expand_inline_function): Use xmalloc instead of
+ alloca for the LABEL_MAP.
+ (save_for_inline_copying): Likewise.
+
+Mon Jul 28 11:22:16 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * toplev.c (compile_file): Also emit any deferred TREE_PUBLIC inlines.
+ (rest_of_compilation): Use decl_printable_name instead of DECL_NAME
+ to identify functions in the RTL dump files.
+
+ * dwarf2out.c (add_location_or_const_value_attribute):
+ leaf_renumber_regs_insn. Also eliminate_regs here.
+ (add_AT_location_description): Not here. Don't emit anything
+ for a variable that has been optimized away.
+ (add_const_value_attribute): Likewise.
+
+ * dwarfout.c (location_or_const_value_attribute):
+ leaf_renumber_regs_insn. Also eliminate_regs here.
+ (location_attribute): Not here.
+
+ * stor-layout.c (layout_type): Fix ancient code to match ancient
+ comment. Use mode of field for one-field structs.
+
+Sun Jul 27 12:09:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * function.c (put_var_into_stack, trampoline_address): Treat
+ inline_function_decl like current_function_decl.
+ * expr.c (expand_expr, case LABEL_DECL): Likewise.
+ (expand_expr, case SAVE_EXPR): Handle top-level SAVE_EXPR by
+ moving into current function; abort if in incorrect context.
+ * fold-const.c (fold_range_test, fold): Avoid making SAVE_EXPR
+ if at top level.
+
+ * dwarfout.c (ASM_OUTPUT_SOURCE_FILENAME): Delete default value.
+
+ * alpha.h (TARGET_SWITCHES): Add -mno-byte.
+
+ * expr.c (get_inner_unaligned_p): Deleted.
+ (expand_assignment): Remove special-case of constant array.
+ (expand_expr, case ARRAY_REF): Likewise, and clean up remaining code.
+
+ * explow.c (probe_stack_range): Do probing with loop if more
+ than a small number.
+
+Fri Jul 25 15:42:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
+
+ * configure.in: Finish fixing calculation if default thread
+ support is enabled.
+
+Fri Jul 25 15:30:09 1997 Doug Evans <dje@cygnus.com>
+
+ * Makefile.in (native): Depend on config.h.
+ (gcc.o): Depend on Makefile, not config.status.
+
+Fri Jul 25 10:56:50 1997 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (pa_reorg): If TARGET_BIG_SWITCH, then do not explode
+ ADDR_VEC insns. Slightly rework code which explodes ADDR_VEC
+ insns.
+ * pa.h (TARGET_BIG_SWITCH): Define.
+ (TARGET_SWITCHES): Add "big-switch" and "no-big-switch".
+ (CASE_VECTOR_MODE): Use TI or DI depending on TARGET_BIG_SWITCH.
+ (CASE_DROPS_THROUGH): Remove definition.
+ (ASM_OUTPUT_ADDR_VEC_ELT): Rewrite to handle TARGET_BIG_SWITCH.
+ (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
+ * pa.md (casesi): Rework to avoid some potential long branch
+ problems (also makes generated code faster!). Handle
+ TARGET_BIG_SWITCH.
+ (casesi0): Corresponding changes.
+
+Fri Jul 25 08:36:47 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * calls.c: (expand_call): If -fstack-check and temp needed
+ for arg is too large, use alloca.
+ * expr.c (expand_expr, case MODIFY_EXPR): Don't preexpand calls
+ if LHS is an indirect via a constant pointer.
+
+Thu Jul 24 21:49:11 1997 Pat Rankin <rankin@eql.caltech.edu>
+
+ * bitmap.c (bitmap_operation): Reset CURRENT on deferred deletion.
+
+Wed Jul 23 23:52:14 1997 Chris Smith <csmith@convex.hp.com>
+
+ * convex.h (CHECK_FLOAT_VALUE): Fix OVERFLOW capitalization.
+
+Wed Jul 23 13:00:47 1997 Richard Earnshaw <rearnsha@cambridge.arm.com>
+
+ * configure.in (arm-*-netbsd*): Fix typo setting tmake_file.
+
+Wed Jul 23 06:39:35 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * configure.in (alpha*): Put quotes around MASK_GAS.
+
+Tue Jul 22 15:24:45 1997 Brendan Kehoe <brendan@cygnus.com>
+
+ * tree.c (array_type_nelts): Make sure the domain of TYPE is set
+ before we try to use it.
+
+Tue Jul 22 12:26:13 1997 Doug Evans <dje@cygnus.com>
+
+ * sparc.c (gen_v9_scc): Handle early clobber of result.
+ * sparc.md (seqdi_special): Don't clobber %xcc.
+ (snedi_special, seqdi_special_trunc, snedi_special_trunc): Likewise.
+ (snedi_zero, neg_snedi_zero, seqdi_zero, neg_seqdi_zero): Likewise.
+ (snedi_zero_trunc, seqdi_zero_trunc): Likewise. Renamed from ..._sp64.
+ (snedi_zero_trunc_sp32, seqdi_zero_trunc_sp32): Delete.
+
+ * Makefile.in (Makefile): Pass xmake_file, tmake_file to
+ configure.frag
+ (distclean): Delete Make-host, Make-target.
+ * configure.in (host_overrides): Set to Make-host.
+ (dep_host_xmakefile): Loop over all elements in host_make_file.
+ (target_overrides): Set to Make-target.
+ (dep_tmake_file): Loop over all elements in tmake_file.
+ (configure.frag): Pass dep_host_xmake_file, dep_tmake_file.
+ * configure.frag: New arguments xmake_files, tmake_files.
+ Build Make-host, Make-target.
+
+Mon Jul 21 23:17:44 1997 Paul Eggert <eggert@twinsun.com>
+
+ * objc/Make-lang.in, objc/Makefile.in: Comment out lines containing
+ just formfeeds.
+
+Mon Jul 21 14:05:46 1997 Doug Evans <dje@cygnus.com>
+
+ * Makefile.in (Makefile): Depend on config.status instead
+ of configure.
+ (config.status): Depend on configure. Run config.status --recheck
+ if out of date.
+ (cstamp-h.in): Use echo instead of touch.
+
+ * reload1.c (reload_cse_mem_conflict_p): Restore handling of
+ (mem:BLK const0_rtx) meaning all memory is clobbered.
+
+Mon Jul 21 06:20:10 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * m68k.md (iorsi_zexthi_ashl16): Mark output operand as earlyclobber.
+
+Sun Jul 20 06:11:30 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * configure.in (alpha*-*-*): Set cpu_type to alpha.
+ Change "alpha-" to "alpha*-" in all entries.
+ Set target_cpu_default for ev5 and ev56 systems.
+ Use symbolic names for target_cpu_default.
+ * alpha.c (override_options): Set default for alpha_cpu
+ from TARGET_CPU_DEFAULT.
+ * alpha.h (MASK_CPU_EV5): New macro.
+
+ * tree.c (contains_placeholder_p): Call contains_this_placeholder_p.
+ (contains_this_placeholder_p): Renamed from contains_placeholder_p.
+ Added new arg, PL.
+ Rework to make more consistent, check more codes, and avoid
+ undefined fields.
+ * expr.c (expand_expr, case PLACEHOLDER_EXPR): Pick outermost
+ object in placeholder_list of right type without a PLACEHOLDER_EXPR.
+
+Sat Jul 19 18:00:01 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alpha.c (override_options): Allow processor of ev56 or 21164a.
+ (input_operand, case MEM): Correct test involving TARGET_BYTE_OPS.
+ * alpha.h (SECONDARY_{IN,OUT}PUT_RELOAD_CLASS): Don't need for
+ QImode or HImode if TARGET_BYTE_OPS.
+ (ASM_FILE_START): Write a .arch directive.
+ (STACK_CHECK_BUILTIN): New macro.
+ * alpha.md ({zero_,}extend[qh]i[dsh]i2): Rework TARGET_BYTE_OPS cases.
+ (mov[hq]i): Likewise.
+ (extend[qh]i[hsd]i2x): Add missing cases and fix typo in constraint.
+ (reload_{in,out}[qh]i): Disable for TARGET_BYTE_OPS.
+
+Fri Jul 18 23:24:57 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * varasm.c (make_decl_rtl): Don't use ASM_FORMAT_PRIVATE_NAME for
+ local decls with TREE_PUBLIC set.
+ (bc_make_decl_rtl): Likewise.
+
+Fri Jul 18 22:16:28 1997 Doug Evans <dje@cygnus.com>
+
+ * configure.in: Invoke AC_CONFIG_HEADER.
+ Check for string.h, strings.h, stdlib.h, time.h, unistd.h.
+ Check for whether malloc/realloc/free need to be declared.
+ (links): Rename config.h to config2.h.
+ (AC_OUTPUT): Create cstamp-h.
+ * Makefile.in (config.in,cstamp-h.in): Add rules for.
+ (config.h,cstamp-h): Add rules for.
+ (distclean): Delete config2.h, cstamp-h.
+ (ALL_CFLAGS): Add @DEFS@.
+ * aclocal.m4, acconfig.h: New files.
+
+ * Makefile.in (distclean): Delete Make-host, Make-target.
+ * configure.in (host_overrides): Set to host_xmake_file, don't create
+ Make-host.
+ (target_overrides): Set to tmake_file, don't create Make-target.
+ (language subdir support): Keep together.
+
+ * c-decl.c (duplicate_decls): Set DECL_ABSTRACT_ORIGIN to olddecl
+ if inline function and not new definition.
+
+ * configure.in: Don't loop trying to configure language subdirs.
+ Don't pass to configure.lang variables it doesn't use.
+ * configure.lang: Delete top level directory from loop.
+ Delete code not useful for language subdirs.
+
+Fri Jul 18 08:12:53 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
+
+ * toplev.c (rest_of_compilation): Call reload_cse_regs here.
+ * reload1.c (reload): Don't call it here.
+ (reload_cse_mem_conflict_p): Remove MEM_OFFSET and MEM_MODE args.
+ (reload_cse_mem_conflict_p, case MEM): Call anti_dependence.
+ (reload_cse_invalidate_mem): Update call to reload_cse_mem_conflict_p.
+ (reload_cse_regs): No longer static.
+ Call init_alias_analysis.
+ Ignore CLOBBER in a PARALLEL.
+
+Fri Jul 18 06:44:22 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * objc/Make-lang.in (objc-headers): Fix command for the new build
+ directory layout, don't pass srcdir variable.
+ * objc/Makefile.in (copy-headers): Use $(srcdir) from this
+ makefile, not the parent's.
+
+Thu Jul 17 16:03:03 1997 Doug Evans <dje@cygnus.com>
+
+ * configure.lang (EXTRA_HEADERS,EXTRA_PASSES,EXTRA_PARTS): Delete.
+ (EXTRA_PROGRAMS,EXTRA_OBJS,EXTRA_GCC_OBJS,MD_DEPS): Delete.
+ (version) Delete duplicate entry.
+ * configure.in (merged_frags): Delete unused variable.
+ (extra_headers_list): Move setting outside of subdir loop.
+ (extra_headers,extra_passes): Don't pass to configure.lang.
+ (extra_programs,extra_parts,extra_objs): Likewise.
+ (host_extra_gcc_objs,gxx_include_dir,md_cppflags): Likewise.
+
+Thu Jul 17 07:00:43 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.h (STACK_CHECK_*): Provide default values.
+ (probe_stack_range): New declaration.
+ * flags.h (flag_stack_check): Likewise.
+ * explow.c (allocate_dynamic_stack_space): Call probe_stack_range.
+ (emit_stack_probe, probe_stack_range): New functions.
+ * function.c (expand_function_end): If function is non-leaf and stack
+ checking is requested, emit needed probes.
+ * reload1.c (reload): If checking stack, verify frame small enough.
+ * stmt.c (expand_decl): If stack checking, use alloca for large vars.
+ * toplev.c (flag_stack_check): New variable.
+ (f_options): Add "stack-check".
+
+ * reorg.c (mark_target_live_regs): Pass FIRST_PSEUDO_REGISTER to
+ call to EXECUTE_IF_SET_IN_REG_SET.
+
+Wed Jul 16 14:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * i960.h (ASM_OUTPUT_ALIGNED_BSS): Define.
+ (ASM_OUTPUT_ALIGNED_LOCAL): Use standard method to convert ALIGN
+ to power-of-two of bytes.
+
+ * sparc.h (ASM_OUTPUT_ALIGNED_BSS): Define.
+ * sparc/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Undef before definition.
+
+Wed Jul 16 14:34:09 1997 Klaus Espenlaub (kespenla@hydra.informatik.uni-ulm.de)
+
+ * calls.c (emit_library_call_value): Initialize all argvec elements.
+
+Wed Jul 16 14:31:39 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * global.c (global_conflicts): Pass FIRST_PSEUDO_REGISTER to
+ call to EXECUTE_IF_SET_IN_REG_SET.
+
+Wed Jul 16 10:57:03 1997 Richard Earnshaw (rearnsha@cambridge.arm.com)
+
+ * From Rob Black (r.black@ic.ac.uk) and Mark Brinicombe
+ (amb@physig.ph.kcl.ac.uk):
+ * configure.in (arm-*-netbsd*): New configuration.
+ * arm/netbsd.h, arm/t-netbsd, arm/xm-netbsd.h: New files.
+
+Wed Jul 16 10:57:03 1997 Richard Earnshaw (rearnsha@cambridge.arm.com)
+
+ * arm.c (tune_flags): New variable.
+ (target_{cpu,fpe}_name): Delete.
+ (arm_fpu_arch): New variable.
+ (arm_select): Also allow -march=... to configure just the
+ architecture.
+ (all_procs): Allow armv{2,2a,3,3m,4,4t} for use with -march=.
+ (arm_override_options): Handle -march=, but don't let -mcpu=
+ and -mtune= match the architecture names, since we can only
+ tune for an implementation. Rework selection of tuning options
+ for floating point.
+ (use_return_insn): Support interworking with Thumb code.
+ (arm_rtx_costs): Rework multiply costs so that cost is based on
+ the tune, not the architecture.
+ (f_register_operand): New function.
+ (output_return_instruction): Support interworking with Thumb code.
+ (output_func_epilogue): Support interworking with Thumb code.
+ Remove redundant calculation of code_size. Use floating-point
+ load-multiples if permitted.
+ (emit_sfm): New function.
+ (arm_expand_prologue): Use floating-point store-multiples if
+ permitted.
+
+ * arm.h (CPP_CPU_ARCH_SPEC): Handle -march=...
+ (TARGET_OPTIONS): Add arch= and fp=. Delete fpe=.
+ (enum processor_type): Add PROCESSOR_NONE, for use in all_procs table.
+ (FP_DEFAULT): Default floating point architecture for generic
+ back-end.
+ (PREDICATE_CODES): Add f_register_operand.
+
+ * arm.md (*push_fp_multi): New pattern.
+
+
+Tue Jul 15 22:08:47 1997 Jim Wilson <wilson@cygnus.com>
+
+ * Makefile.in (exeext): Set to build_exeext not exeext.
+ * configure.in (exeext): Delete redundant set and AC_SUBST call.
+ Change remaining AC_SUBST to use build_exeext instead of exeext.
+
+Tue Jul 15 15:48:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
+
+ * configure.in: Fix calculation if default thread support is enabled.
+
+Tue Jul 15 13:38:46 1997 Mike Meissner <meissner@cygnus.com>
+
+ * rtl.h (replace_regs): Declare.
+
+Mon Jul 14 16:18:19 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * i960.h (ASM_OUTPUT_MI_THUNK): Define.
+
+ * dwarf2out.c (gen_subprogram_die): Remove unreachable and redundant
+ code.
+
+Mon Jul 14 14:22:45 1997 Jeffrey A Law (law@cygnus.com)
+
+ * calls.c (emit_library_call): Use right index into argvec array
+ when iterating over arguments which need to be pushed on the stack.
+ (emit_library_call_value): Likewise.
+
+Mon Jul 14 08:17:41 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcc.c (convert_filename): Fix typo.
+
+Mon Jul 14 08:10:12 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * configure.in: Clear headers and lib2funcs before re-reading
+ config-lang.in.
+
+ * m68k/linux.h (LINK_SPEC): Fix last change.
+
+Mon Jul 14 08:03:38 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
+
+ * configure.in (sparc-*-linux-gnu{*,libc1*}): Add sparc/t-linux.
+ * sparc/t-linux: New file.
+
+ * alpha/elf.h (LINK_SPEC): Fix typo.
+ * configure.in (alpha-*-linux-gnu*): Set tmake_file.
+ * alpha/t-linux: New file.
+
+Mon Jul 14 07:41:37 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
+
+ * m68k.c (output_{and,ior,xor}si3): New functions from patterns bodies.
+ * m68k.h (output_{and,ior,xor}si3): New extern declarations.
+ * m68k.md (adddi3, subdi3): Allow constant operand.
+ (anddi3, iordi3, xordi3): New patterns.
+ ({and,ior,xor}si3_internal): Use corresponding output_???si3 function.
+
+Mon Jul 14 07:33:11 1997 Fila Kolodny <fila@ibi.com>
+
+ * configure.in (*-*-gnu*): Add crt{begin,end}S.o to extra_parts.
+
+Mon Jul 14 07:26:36 1997 Craig Burley <burley@gnu.ai.mit.edu>
+
+ * varasm.c (assemble_variable): If low part of size
+ doesn't fit in an int, variable is too large.
+
+Mon Jul 14 06:51:37 1997 Mike Meissner <meissner@cygnus.com>
+
+ * bitmap.{h,c}: New files.
+ * Makefile.in (OBJS): Add bitmap.o.
+ (BASIC_BLOCK_H): New make variable for basic-block.h, bitmap.h.
+ ({flow,combine,regclass,local-alloc,reload1,reorg,sched}.o): Use
+ BASIC_BLOCK_H variable instead of basic-block.h.
+ * basic-block.h (*REG_SET): Delete old implementation; use bitmap.h.
+ (regset_{size,bytes}): Delete.
+ (regs_live_at_setjmp): Declare.
+ (EXECUTE_IF_SET_AND_RESET_IN_REG_SET): Delete.
+ * flow.c (init_regset_vector): Make global; don't take basic block
+ times # of pseduos as argument.
+ (life_analysis): Change all init_regset_vector calls.
+ Use free_regset_vector to release arrays only flow uses at end.
+ (allocate_for_life_analysis): Change init_regset_vector call.
+ Don't set regset_{size,bytes}.
+ (free_regset_vector): Call FREE_REG_SET to release any
+ memory allocated by each vector.
+ (propagate_block): Call FREE_REG_SET on dead/live.
+ (mark_used_regs): Don't use REGSET_ELT_TYPE anymore.
+ * output.h (allocate_for_life_analysis): Add declaration.
+ (regno_uninitialized, regno_clobbered_at_setjmp): Likewise.
+ (dump_flow_info, flow_analysis): Likewise.
+ * regclass.c (init_reg_sets): Invoke INIT_ONCE_REG_SET.
+ (allocate_reg_info): Invoke MAX_REGNO_REG_SET.
+ (regset_release_memory): Free basic_block_live_at_start storage.
+ * reorg.c (mark_target_live_regs): Delete unused variables.
+ * sched.c (schedule_block): Free space associated with
+ reg_pending_sets and old_live_regs.
+ (schedule_insns): Free bb_{dead,live}_regs on first pass.
+ (sched_analyze_insn): Use EXECUTE_IF_SET_IN_REG_SET and then clear.
+ * toplev.c (rest_of_compilation): Call regset_release_memory.
+
+Mon Jul 14 00:14:13 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * toplev.c (main): Prefer DWARF 2 or stabs with -ggdb.
+ * ns32k/tek6000.h (PREFERRED_DEBUGGING_TYPE): DBX_DEBUG.
+ * alpha.h (PREFERRED_DEBUGGING_TYPE): SDB_DEBUG.
+ * mips.h (PREFERRED_DEBUGGING_TYPE): SDB_DEBUG.
+
+Sun Jul 13 15:11:08 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stupid.c (stupid_mark_refs): If setting reg set only in this
+ insn and not referenced, make REG_UNUSED note.
+
+Sun Jul 13 14:03:19 1997 Michael Meissner <meissner@cygnus.com>
+
+ * gcc.c (process_command): If -save-temps and -pipe were specified
+ together, don't do -pipe.
+
+Sun Jul 13 12:27:03 1997 Doug Evans <dje@cygnus.com>
+
+ * gcc.c (main): Handle blank in version_string when comparing
+ with compiler_version.
+
+Sat Jul 12 01:53:55 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * sparc.c (output_function_prologue): Fix offset from CFA.
+ (sparc_flat_output_function_prologue): Likewise.
+
+Fri Jul 11 09:49:15 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mips.c (epilogue_reg_mentioned_p): Delete unused function.
+ (mips_epilogue_delay_slots): Likewise.
+ (function_epilogue): Greatly simplify.
+ (mips_expand_epilogue): If we have a null prologue/epilogue,
+ then use a normal return insn. Emit blockage insns before
+ stack pointer adjustments.
+ (mips_can_use_return_insn): Renamed from simple_epilogue_p. All
+ callers changed. Do not use return insns if $31 is live in the
+ function or if generating profiling information.
+ * mips.h (DELAY_SLOTS_FOR_EPILOGUE): Delete.
+ (ELIGIBLE_FOR_EPILOGUE_DELAY): Likewise.
+ * mips.md (return): Remove expander and change the pattern to
+ look like a standard "return" insn.
+ (return_internal): Show use of $31 explictly.
+ (epilogue expander): Enable.
+
+Thu Jul 10 13:04:53 1997 Doug Evans <dje@cygnus.com>
+
+ * cccp.c (INO_T_EQ): Return 0 for MSDOS.
+
+ * Makefile.in (CC): Use autoconf value.
+
+Tue Jul 8 18:08:00 1997 Jim Wilson <wilson@cygnus.com>
+
+ * dwarf2out.c (gen_subprogram_die): When handling declarations, test
+ DECL_CONTEXT not decl_class_context before equate_decl_number_to_die.
+
+Tue Jul 8 16:47:13 1997 Michael Meissner <meissner@cygnus.com>
+
+ * rs6000.md (movsi define_split): Use unsigned HOST_WIDE_INT,
+ not unsigned.
+
+Sat Jul 7 00:01:41 1997 Jim Meyering <meyering@eng.ascend.com>
+
+ * i386/t-sol2 (crt[1in].o): Also depend on $(GCC_PASSES).
+
+Fri Jul 4 11:45:39 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (DWARF_CIE_HEADER_SIZE, DWARF_FDE_HEADER_SIZE,
+ size_of_cfi, size_of_fde, calc_fde_sizes, next_fde_offset,
+ cie_size): Lose.
+ (ASM_OUTPUT_DWARF_STRING): Move earlier.
+ (INCOMING_FRAME_SP_OFFSET): Provide default.
+ (initial_return_save): Adjust for CFA offset.
+ (dwarf2out_frame_debug): Lookup initial CFA offset when setting up.
+ (output_call_frame_info): Use label subtraction for length fields.
+ Add pointer to exception region information in for_eh case.
+ (dwarf2out_do_frame): New fn.
+ (dwarf2out_frame_init): Use INCOMING_FRAME_SP_OFFSET.
+ (dwarf2out_frame_finish): Don't bother emitting .debug_frame for
+ non-Irix targets. Just emit .eh_frame.
+ (output_die): Refer to an FDE with label subtraction.
+ * i386.h (INCOMING_FRAME_SP_OFFSET): Define.
+ * defaults.h (DWARF2_UNWIND_INFO): Define if
+ INCOMING_RETURN_ADDR_RTX is provided.
+ * final.c (final): Don't call dwarf2out_frame_debug unless we are
+ doing dwarf 2.
+
+Thu Jul 3 17:37:52 1997 Jim Wilson <wilson@cygnus.com>
+
+ * fp-bit.c (unpack_d): Check fraction not sign to distinquish QNaN.
+
+Wed Jul 2 09:48:03 1997 Michael Meissner <meissner@cygnus.com>
+
+ * loop.c (strength_reduce): Make sure register does not exceed the
+ table size when looking up the last UID.
+
+Wed Jul 2 07:47:44 1997 Nick Burrett <n.a.burrett@btinternet.com>
+
+ * genoutput.c (process_template): Place increment expression
+ outside of putchar function call.
+
+Wed Jul 2 06:56:52 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
+
+ * sparc/linux.h (LIBGCC_SPEC): Removed.
+ (CC1_SPEC): Add %{profile:-p}.
+ ({CPP,LIB,LINK}_SPEC): Choose glibc 1 or 2 depending on USE_GNULIBC_1.
+ * configure.in (sparc-*-linux-gnulibc1*): New configuration.
+
+ * configure.in (powerpc-*-linuxgnu*): Default thread_file is posix.
+ Set xmake_file to x-linux. Add extra_parts.
+ * rs6000/linux.h (LINK_SPEC): Defined.
+
+ * m68k/linux.h (LINK_SPEC): Pass -shared for -shared.
+ ({CPP,LINK}_SPEC): Choose for glibc 1 or 2 depending on USE_GNULIBC_1.
+ * configure.in (m68k-*-linux-gnu*): Default thread_file is `posix'.
+ (m68k-*-linux-gnulibc1): New configuration.
+
+ * alpha/elf.h (LINK_SPEC): Change ld-gnu.so.1 to ld-linux.so.2.
+ * configure.in (alpha-*-linux-gnu*): Default thread_file is `posix'.
+
+Wed Jul 2 06:12:37 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * alpha.md (divsi3, modsi3, udivsi3): Comment out.
+ (extendsfsd2_no_tp): Add alternative with output in MEM, input in REG.
+
+ * configure.in (*-linux*): Add "-gnu" to names to match.
+
+ * libgcc2.c (_trampoline): Add stdcall attribute to VirtualProtect
+ on i386.
+
+ * objc/objc.gperf: Renamed from gperf.
+
+Wed Jul 2 05:42:19 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * objc/Make-lang.in ($(srcdir)/objc/objc-parse.c): Fix command
+ to use the right file names.
+
+Tue Jul 1 23:25:42 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * reorg.c (redundant_insn): If INSN or possible match has REG_UNUSED
+ note, don't have match.
+
+Tue Jul 1 18:36:24 1997 Doug Evans <dje@cygnus.com>
+
+ * mips.c (mips_output_external): Don't output .extern's for
+ variables in user specified sections unless they're .sbss/.sdata.
+
+Tue Jul 1 18:30:26 1997 Jim Wilson <wilson@cygnus.com>
+
+ * cse.c (find_best_addr): Add missing rtx_cost arguments.
+
+ * fp-bit.c (float_to_usi): Move code for negative numbers before code
+ for infinity. Modify infinty code to only handle positive infinities.
+
+Tue Jul 1 11:16:41 1997 Robert Lipe <robertl@dgii.com>
+
+ * fixinc.sco: Restore pwd aftercopy.
+ Convert declaration of abs in math.h to prototype.
+ Fix static functions in sys/stat.h for C++.
+
+Tue Jul 1 10:55:47 1997 Michael Meissner <meissner@cygnus.com>
+
+ * rs6000.md ({add,ior,xor}si3): Change to use define_expand wrapper
+ and split add/ior/xor of large constants early.
+ (andsi3): Remove 6/29 code to do and of large constants.
+ (nor, nand, eqv, maskir): Add names to all logical define_insns.
+
+Tue Jul 1 09:03:35 1997 Jeffrey A Law (law@cygnus.com)
+
+ * h8300.h (BIGGEST_FIELD_ALIGNMENT): Remove definition.
+ * mips.h (BIGGEST_FIELD_ALIGNMENT): Likewise.
+
+Mon Jun 30 14:58:00 1997 Jeffrey A Law (law@cygnus.com)
+
+ * sh.c (sh_expand_epilogue): Emit blockage insn before cutting
+ back stack.
+
+Sun Jun 29 11:27:07 1997 Michael Meissner <meissner@cygnus.com>
+
+ * rs6000.h (TARGET_FLAGS): Add -m{,no-}update to suppress
+ creating load/store with update instructions, and also
+ -m{,no-}fused-madd to suppress the generation of fused add and
+ multiply instructions. Move debug flags to TARGET_OPTIONS.
+ (GO_IF_LEGITIMATE_ADDRESS): Don't allow PRE_{INC,DEC} if -mno-update.
+ (GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
+ (rs6000_debug_{name,stack,arg}): Add declarations.
+ (toc_initialized): Likewise.
+ (got_no_const_operand): Likewise.
+ (PREDICATE_CODES): Add got_no_const_operand.
+ (toc_section): Make toc_initialized a global.
+ (RTX_COSTS): Set appropriate costs for add, logical operators that
+ are really two instructions.
+
+ * rs6000.c (rs6000_debug_{name,stack,arg}): Add definitions.
+ (rs6000_override_options): Process debug flags.
+ (toc_initialized): Global to say toc initialized.
+ (small_data_operand): Use #if TARGET_ELF, not #ifdef TARGET_SDATA.
+ (rs6000_init_expanders): Likewise.
+ (SMALL_DATA_RELOC): Likewise.
+ (got_no_const_operand): Recognize SYMBOL_REF and LABEL_REF.
+ (rs6000_makes_calls): System V profiling doesn't count as a call.
+ (rs6000_stack_info): Likewise.
+ (rs6000_output_load_toc_table): Take register number argument to
+ determine register to load. Generate correct code if more than
+ one toc table is done in System V due to profiling or non-local
+ gotos. If System V toc is not initialized, initialize it now.
+ (rs6000_allocate_stack_space): Move code from output_prolog to
+ allocate stack space. Take -mno-update into account.
+ (output_prolog): Call rs6000_allocate_stack_space. Only set
+ rs6000_pic_func_labelno if not profiling.
+ (output_function_profiler): Implement System V profiling.
+ (and_operand): Don't call reg_or_short_operand.
+ (rs6000_finalize_pic): If not optimizing, insert a USE of the GOT
+ register as the last insn.
+
+ * rs6000.md (load/store update): Take -mno-update into account.
+ If -msoft-float, support SF load/store with update to GPR regs.
+ (allocate_stack): Take -mno-update into account.
+ (add/subtract + multiply instructions): Take -mno-fused-madd into
+ account.
+ (nonlocal_goto_receiver): Specify register # to load.
+ ({add,and,ior,xor}si3): Recognize operation done with full 32 bit
+ constant, splitting latter if need be.
+ (andsi3 define_split): Fix up splitting andsi3 of large constant.
+ ({ior,xor}si3 define_split): Use GEN_INT to create integer rtx
+ values.
+ (movsi_got{,_internal}): Split the load of a CONST into load of
+ the SYMBOL_REF/LABEL_REF and an add.
+ (movsi): Know that addsi3 can handle large values now for NT.
+
+ * sysv4.h (TARGET_SDATA): Remove explicit bit for -msdata.
+ (SUBTARGET_OVERRIDE_OPTIONS): Likewise.
+ (ASM_OUTPUT_ALIGNED_LOCAL): Likewise.
+ (SUBTARGET_SWITCHES): Indicate -m{,no-}sdata doesn't set any flags.
+ (ASM_SPEC): Only pass -m{,no-}reg-names if assembling .s/.S files.
+ (CC1_SPEC): If -msdata, invoke compiler with -msdata=default.
+ (PROFILE_BEFORE_PROLOGUE): Likewise.
+ (RS6000_MCOUNT): Define as "_mcount".
+ (toc_section): Make toc_initialized a global.
+
+Fri Jun 27 19:01:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
+
+ * config/t-linux-gnulibc1: New file.
+ * configure.in (i[3456]86-*-linux*): Default thread_file is `posix'.
+ (i[3456]86-*-linux*gnulibc1): New case.
+ * config/linux.h (LIB_SPEC): Choose for glibc 1 or 2 depending
+ on USE_GNULIBC_1.
+ * i386/linux.h (CPP_SPEC, LINK_SPEC): Likewise.
+
+Fri Jun 27 19:00:52 1997 Ralf Baechle <ralf@waldorf-gmbh.de>
+
+ * config/linux.h (PREFERRED_DEBUGGING_TYPE): Undefine before define.
+
+Fri Jun 27 18:35:04 1997 Alan Modra <alan@spri.levels.unisa.edu.au>
+
+ * configure.in: Clean up Make-{host,target,hooks} in all
+ subdirs, not just '.'.
+ * Makefile.in (distclean): Delete */Make-{host,target,lang,hooks}.
+
+Fri Jun 27 18:27:11 1997 Fila Kolodny <fila@ibi.com>
+
+ * config/xm-gnu.h (fcntl.h): Only include if not building libgcc.a.
+
+Fri Jun 27 18:17:44 1997 Doug Evans <dje@cygnus.com>
+
+ * configure.frag: Rewrite.
+
+ * objc/Make-lang.in (OBJC_CCOMMON): Object files don't go in srcdir.
+ (OBJC_OBJS): Likewise.
+ (OBJC_O): Likewise.
+ (objc-parse.o, objc-act.o): Fix rules.
+ (objc/libobjc files): Fix rules.
+
+Fri Jun 27 13:23:38 1997 Andrew Cagney <cagney@tpgi.com.au>
+
+ * fp-bit.c (float_to_si): Correct return value when Inf.
+
+Fri Jun 27 10:47:09 1997 Scott Christley <scottc@net-community.com>
+
+ * Makefile.in (DLLTOOL): Define.e
+ * objc/Make-lang.in (libobjc_entry.o, libobjc_s.a, libobjc.dll):
+ New targets.
+ (objc.install-normal): Install Objective-C runtime as a DLL.
+ (objc.mostlyclean): Clean up files used to build DLL.
+ * objc/libobjc.def: New file.
+ * objc/libobjc_entry.c: New file.
+
+ * objc/sendmsg.c (search_for_method_in_list): No longer static.
+
+ * Makefile.in (GCC_THREAD_FILE): Renamed from OBJC_THREAD_FILE.
+ * configure.lang (GCC_THREAD_FILE): Likewise.
+ * configure.in (--enable-threads): New parameter.
+ * objc/Make-lang.in (OBJC_THREAD_FILE): New definition.e
+ * objc/config-lang.in: Print message about ObjC thread file.
+
+ * cccp.c (INO_T_EQ): Define for Win32 but not Cygwin32.
+ * i386/mingw32.h: New file.
+ * i386/xm-mingw32.h: New file.
+ * configure.in (i[3456]86-*-mingw32): New target.
+ * protoize.c (link): Eliminate definition on Win32.
+
+ * objc/thr-posix.c (__objc_thread_yield): Use sched_yield instead.
+
+Fri Jun 27 10:36:41 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * stor-layout.c (layout_record, PCC_BITFIELD_TYPE_MATTERS):
+ Round up when calculating possible end address.
+
+Wed Jun 25 19:54:29 1997 Jim Wilson <wilson@cygnus.com>
+
+ * unroll.c (final_giv_value): Verify that bl->initial_value is
+ invariant before trying to use it.
+
+Wed Jun 25 18:13:05 1997 Michael Meissner <meissner@cygnus.com>
+
+ * rs6000/sysv4.h (WCHAR_TYPE{,_SIZE}): Make wchar_t long as per
+ ABI spec.
+
+Wed Jun 25 16:56:16 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * sparc.h (INCOMING_RETURN_ADDR_RTX): Define.
+ (DBX_REGISTER_NUMBER): Fix frame pointer regno for -mflat.
+ * sol2.h (DBX_REGISTER_NUMBER): Likewise.
+ * sparc.c (save_regs): Emit dwarf2 frame debug info.
+ (output_function_prologue, sparc_flat_save_restore,
+ sparc_flat_output_function_prologue): Likewise.
+
+ * dwarf2.h (enum dwarf_call_frame_info): Add DW_CFA_GNU_window_save.
+ * dwarf2out.c (dwarf_cfi_name, output_cfi): Support it.
+ (dwarf2out_cfi_label): Make non-static.
+ (initial_return_save): Support PLUS.
+ (dwarf2out_window_save, dwarf2out_return_save,
+ dwarf2out_return_reg): New fns.
+
+ * dwarf2out.c (SECTION_FORMAT): Use PUSHSECTION_FORMAT, if defined.
+ (DEBUG_INFO_SECTION): Rename from DEBUG_SECTION.
+ (DEBUG_LINE_SECTION): Rename from LINE_SECTION.
+ * mips/iris6.h: Likewise.
+
+Wed Jun 25 16:25:41 1997 Scott Christley <scottc@net-community.com>
+
+ * Makefile.in (GCC_PASSES): Don't define with $(exeext).
+ * configure.in ({cc,stage_prefix}_set_by_configure): Eliminate extra
+ comma and don't pass value to configure.lang.
+ * objc/Make-lang.in (objc-runtime): Add objc-headers.
+
+ * configure.in: Execute configure.frag in a shell.
+
+ * configure.in (cross_overrides, build_overrides): Default to
+ /dev/null to help platforms where sed cannot handle empty filenames.
+
+ * Reorganize thread implementation to make a clearly defined
+ front-end/back-end interface.
+ * objc/thr-{decosf1,irix,mach,os2,posix,pthreads,single}.c: Completely
+ rework according to new interface.
+ * objc/thr-{solaris,win32}.c: Likewise.
+ * objc/thr.c: Likewise.
+ * objc/thr.h: Define front-end/back-end interface functions and
+ structures.
+
+Wed Jun 25 16:14:10 1997 Ovidiu Predescu <ovidiu@net-community.com>
+
+ * Complete implementation of +load.
+ * objc/init.c (objc_send_load): New function.
+ (objc_class_tree): New structure.
+ (create_tree_of_subclasses_inherited_from): New function.
+ (__objc_tree_insert_class): New function.
+ (objc_tree_insert_class): New function.
+ (objc_preorder_traverse): New function.
+ (objc_postorder_traverse): New function.
+ (__objc_tree_print): New function.
+ (__objc_destroy_class_tree_node): New function.
+ (class_is_subclass_of_class): New function.
+ (__objc_exec_class): Allocate class tree list and load hash table.
+ (__objc_send_message_in_list): Rewrite using hash table.
+ (__objc_send_load): Remove calls to _objc_load_callback.
+ (objc_send_load): Make static. Create Tree of classes resembling
+ class hierarchy for all modules. Call __objc_send_load on all of
+ the modules in __objc_module_list.
+ (__objc_create_classes_tree): New function.
+
+ * objc/encoding.h (method_get_sizeof_arguments): Fix typo.
+ * objc/objc-api.h (OBJC_ERR_BAD_STATE): New error code.
+ On NeXT redefine object_copy and object_dispose to avoid
+ a conflict with those defined in system library.
+ * objc/selector.c (__objc_register_instance_methods_to_class): New
+ function.
+ * objc/runtime.h: Likewise. Add missing function prototypes.
+
+Wed Jun 25 15:09:01 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Makefile.in (Makefile): Execute configure.frag from srcdir.
+
+ * Makefile.in (configure): Target is $(srcdir)/configure.
+
+Tue Jun 24 15:18:14 1997 Jim Wilson <wilson@cygnus.com>
+
+ * m68k.h (LIMIT_RELOAD_CLASS): Define.
+
+ * recog.c (constrain_operands): When checking earlyclobbers, use
+ operands_match_p instead of rtx_equal_p.
+
+ * dwarfout.c (field_byte_offset): Check for object_offset_in_bits
+ greater than bitpos_int and recompute object_offset_in_bytes if true.
+
+ * mips.md (movdi_internal): Add x/J alternative.
+ (movdi_internal2): Add x/J alternative; change a/I to a/J.
+ (movsi_internal1, movsi_internal2): Change x/I alternative to x/J.
+
+Tue Jun 24 08:49:56 1997 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (ASM_OUTPUT_SECTION_NAME): Fix typo.
+
+Mon Jun 23 22:48:00 1997 Jim Wilson <wilson@cygnus.com>
+
+ * unroll.c (find_splittable_givs): Set splittable_regs_updates to
+ biv_count for reduced givs.
+
+Mon Jun 23 10:51:53 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10200.c, mn10200.h, mn10200.md: New files for mn10200 port.
+ * lib1funcs.asm, divmod.c, udivmod.c, udivmodsi4.c: Likewise.
+ * t-mn10200, xm-mn10200.h, va-mn10200.h: Likewise.
+ * Makefile.in (USER_H): Add va-mn10200.h.
+ * varargs.h, stdarg.h: Include va-mn10200.h.
+ * configure.in (mn10200-*-*): New target.
+
+Sun Jun 22 06:47:19 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * combine.c (force_to_mode): Don't do anything for ASM_OPERANDS insn.
+
+Sun Jun 22 06:29:28 1997 J. Kean Johnston <jkj@sco.com>
+
+ * ginclude/stdarg.h: Protect va_list definition from SCO headers.
+ * ginclude/varargs.h: Likewise.
+
+Sat Jun 21 20:56:23 1997 Scott Christley <scottc@net-community.com>
+
+ * Make ObjC a front-end language.
+ * Makefile.in (LANGUAGES, COMPILERS, .PHONY, stmp-int-hdrs): Remove
+ specific references to ObjC compiler and source files.
+ ({mostly,dist,maintainer,}clean, install-normal): Likewise
+ (OBJC_OBJS, OBJC, OBJECTIVE-C, cc1obj, objc-runtime): Rules deleted.
+ (libobjc.a, sublibobjc.a, objc-parse.{o, c, y}): Rules deleted.
+ (objc-headers, install-libobjc): Rules deleted.
+ * objc/Make-lang.in: New file; from rules deleted above.
+ * objc/config-lang.in: New file.
+ * objc/Makefile.in: Changes to support ObjC as a front-end language;
+ renamed from Makefile.in.
+ * objc-act.{c,h}, objc-parse.{c,y}, objc-tree.def: Moved to objc dir.
+
+Sat Jun 21 07:54:36 1997 Robert Lipe <robertl@dgii.com>
+
+ * fixinc.sco (math.h): Correct the collision of "exception".
+
+Sat Jun 21 06:51:40 1997 Peter Gerwinski <peter@agnes.dida.physik.uni-essen.de>
+
+ * rs6000.c (output_epilog): Name is "GNU Pascal", not all caps.
+
+Sat Jun 21 06:29:19 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
+
+ * gcc.c (main): Check for and read ${libdir}/gcc-lib/specs to
+ override the default specs.
+
+Fri Jun 20 17:20:15 1997 Jim Wilson <wilson@cygnus.com>
+
+ * mips.c (output_block_move): When loading addresses into registers,
+ add checks for ABI_N32 and ABI_64.
+ (mips_expand_prologue): Add check for SImode in code splitting
+ tsize_rtx when it is large_int.
+
+Fri Jun 20 09:07:31 1997 Russell King <rmk92@ecs.soton.ac.uk>
+
+ * configure.in (arm-*-linuxaout): New target.
+ * arm/lib1funcs-linux.asm, arm/linux-gas.h: New files.
+ * arm/linux.h, arm/t-linux, arm/xm-linux.h: New file.
+ * xm-linux.h: Undef some macros before defining them.
+
+Thu Jun 19 21:18:20 1997 Jim Wilson <wilson@cygnus.com>
+
+ * dwarf2out.c (output_line_info): Always use DW_LNE_set_address instead
+ of DW_LNS_fixed_advance_pc for line number addresses.
+ (size_of_line_info): Adjust size calculation as per above change.
+ (text_end_label): Make it static.
+
+Thu Jun 19 14:55:49 1997 Brendan Kehoe <brendan@cygnus.com>
+
+ * toplev.c (xmalloc): Only give the fatal msg if SIZE is non-zero.
+
+Sun Apr 27 23:19:13 1997 Ulrich Drepper <drepper@cygnus.com>
+
+ * libgcc2.c (__eh_type): Remove `extern' to make this a definition.
+
+Wed Jun 18 18:10:16 1997 Per Bothner <bothner@cygnus.com>
+
+ * dbxout.c (dbxout_type_fields): Skip field if DECL_IGNORED_P.
+
+Wed Jun 18 18:04:33 1997 Mike Stump <mrs@cygnus.com>
+
+ * except.c (end_eh_unwinder): If we have a return instruction, we
+ have to make sure we use it and don't fall off the end of the
+ function in the unwinder.
+
+Wed Jun 18 14:27:58 1997 Mike Stump <mrs@cygnus.com>
+
+ * flow.c (find_basic_blocks): Fix end case bug.
+
+Tue Jun 17 18:35:57 1997 Mike Stump <mrs@cygnus.com>
+
+ * libgcc2.c (__eh_pcnthrow): Add support -fno-sjlj-exceptions
+ -fPIC exception handling on the SPARC.
+ * sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
+ * libgcc2.c (__eh_ffetmnpc): Remove.
+
+Mon Jun 16 20:28:51 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * collect2.c (extract_string): Null-terminate.
+
+Mon Jun 16 14:38:44 1997 Michael Meissner <meissner@cygnus.com>
+
+ * combine.c (set_nonzero_bits_and_sign_copies): Use REG_SET macros
+ instead of doing bit operations directly.
+ (try_combine,reg_dead_at_p): Ditto.
+ * caller-save.c (save_call_clobbered_regs): Ditto.
+ * reload1.c (reload): Ditto.
+ * local-alloc.c (update_equiv_regs,block_alloc): Ditto.
+ * sched.c (schedule_block): Dito.
+
+Sun Jun 15 20:46:12 1997 Jim Wilson <wilson@cygnus.com>
+
+ * dwarf2out.c (dwarf2out_frame_debug): Handle IOR.
+ (struct limbo_die_struct): Define.
+ (TYPE_DECL_IS_STUB): Call decl_ultimate_origin if DECL_ABTRACT_ORIGIN
+ is set.
+ (limbo_die_count): Delete.
+ (libmo_die_list): Define.
+ (new_die): Add die to limbo_die_list instead of incrementing
+ limbo_die_count.
+ (add_AT_location_description): Renamed from add_location_attribute.
+ New parameter attr_kind.
+ (add_location_or_const_value_attribute, gen_subprogram_die,
+ add_bound_info): Change call to add_AT_location_description.
+ (add_bound_info): Add call to contains_placeholder_p. Ignore
+ MAX_EXPR and VAR_DECL.
+ (add_subscript_info): Ignore the index type if it is an unnamed
+ integral type.
+ (scope_die_for): Move check for function-local tags after code setting
+ containing_scope, and add check for non-NULL containing_scope
+ (add_type_attribute): If unnamed type, use TREE_TYPE instead.
+ (gen_enumeration_type_die, gen_struct_or_union_type_die): Call
+ add_child_die if die_parent is NULL.
+ (gen_subprogram_die): Ifdef out DW_AT_static_link code.
+ (decls_for_scope): Delete decrement of limbo_die_count.
+ (dwarf2out_finish): Add code to traverse the limbo_die_list, and
+ call add_child_die if die_parent is NULL. Delete limbo_die_count code.
+ * mips.c (mips_expand_prologue): If tsize_rtx is large_int, emit two
+ insns instead of one splitable insn, setting RTX_FRAME_RELATED_P.
+
+Fri Jun 13 19:33:35 1997 Brendan Kehoe <brendan@cygnus.com>
+
+ * fixincludes: Also fix AIX NULL macro in sys/{dir,param,types}.h.
+
+Thu Jun 12 22:53:12 1997 Jim Wilson <wilson@cygnus.com>
+
+ * m68k.md (mov[qhs]i): Remove pair of constraints which allow
+ offsetable memory addresses to be moved to the same for TARGET_5200.
+
+Thu Jun 12 15:33:01 1997 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (SELECT_RTX_SECTION): Place symbolic operands into the
+ data section.
+
+ * pa.c (emit_move_sequence): Rewrite code to handle arithmetic
+ involving plabels.
+
+Wed Jun 11 08:57:14 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
+
+ * tree.c (unsave_expr_now): Avoid recursing into the parts of
+ the tree that are RTL.
+
+Thu Jun 12 09:43:55 1997 Jeffrey A Law (law@cygnus.com)
+
+ * reorg.c (emit_delay_sequence): Call set_new_first_and_last_insn
+ after the new sequence insn has been spliced into the insn chain.
+
+Wed Jun 11 23:10:49 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.md (call, call_value): Use "call" instead of "calls"
+ for calls to named functions.
+
+Wed Jun 11 00:22:34 1997 Jim Wilson <wilson@cygnus.com>
+
+ * configure, configure.in: Restore changes from Feb 15 to Apr 13
+ lost during conversion to autoconf.
+
+Tue Jun 10 18:23:35 1997 Mike Stump <mrs@cygnus.com>
+
+ * stmt.c (expand_decl_cleanup): Avoid core dumping when exceptions
+ aren't on.
+
+Tue Jun 10 18:22:30 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * collect2.c (extract_string): New fn.
+ (main): Use it.
+
+Tue Jun 10 17:40:15 1997 Jim Wilson <wilson@cygnus.com>
+
+ * expr.c (emit_group_load): Add case using gen_lowpart.
+
+Tue Jun 10 17:14:58 1997 Michael Meissner <meissner@cygnus.com>
+
+ * rs6000/rs6000.c (rs6000_override_options): If -mcpu=403, set
+ -mstrict-align as well.
+
+ * rs6000/t-ppc{,gas} (MULTILIB_EXTRA_OPTS): Build libraries with
+ -mstrict-align.
+
+ * configure.in ({powerpc,rs6000}*-*-*): Add embedded targets to
+ --with-cpu=n support.
+
+Tue Jun 10 07:06:12 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
+
+ * flow.c (mark_used_regs): Fix typo in Jun 4 change.
+
+Mon Jun 9 20:26:26 1997 Jim Wilson <wilson@cygnus.com>
+
+ * Makefile.in (MAYBE_USE_COLLECT2): Renamed from MAYBE_USE_COLLECT.
+
+Mon Jun 9 19:42:21 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * fold-const.c (fold): Don't do COND_EXPR -> MIN_EXPR folding if it
+ loses information that might be needed by a later use as an lvalue.
+
+Mon Jun 9 19:10:50 1997 Alexandre Oliva <oliva@dcc.unicamp.br>
+
+ * configure.in: Don't override a user's setting for prefix
+ on platforms that use the native prefix.
+
+Mon Jun 9 19:00:49 1997 Brendan Kehoe <brendan@melange.gnu.ai.mit.edu>
+
+ * integrate.c (expand_inline_function): Use the mode of FNDECL's
+ result rtl, not the result type itself, in setting ARRIVING_MODE.
+
+ * reload1.c (reload): Use xmalloc instead of alloca for the label
+ offsets in OFFSETS_AT and OFFSETS_KNOWN_AT.
+
+Mon Jun 9 15:16:52 1997 Mike Stump <mrs@cygnus.com>
+
+ * flow.c (find_basic_blocks): Eliminate more dead code, enables
+ dead throws to be eliminated.
+
+Mon Jun 9 17:15:50 1997 Stephen L Moshier <moshier@world.std.com>
+
+ * alpha.c (check_float_value): Underflow and overflow constants
+ are different for FLOAT_VAX and default targets.
+
+Mon Jun 9 16:48:21 1997 Scott Christley <scottc@net-community.com>
+
+ * Makefile.in (Makefile): Process language fragments.
+ * configure.frag: New file.
+ * configure.in: Move language fragment processing to configure.lang.e
+
+ * Makefile.in (GCC_PASSES): Prevent all compilers from being
+ built when only the C compiler is needed.
+
+ * configure.in (cross_overrides, build_overrides): Use absolute
+ path to GCC top-level source directory.
+
+ * configure.in: Save target alias for language directories.
+
+ * configure.in (with-gxx-include-dir): New parameter for
+ setting the g++ header file directory.
+ * Makefile.in (gxx_include_dir): Use autoconf variable.
+
+ * configure.in: Add parameter for setting local prefix.
+
+ * configure.lang: New file.
+ * configure.in: Move language subdirectory Makefile processing
+ into configure.lang.
+
+Mon Jun 9 16:44:47 1997 Jim Wilson <wilson@cygnus.com>
+
+ * sched.c (attach_deaths): Fix typo in Jun 4 change.
+
+Mon Jun 9 15:13:00 1997 Marc Lehmann (pcg@goof.com)
+
+ * varasm.c (assemble_end_function): Switch back to function
+ section after outputting constant pool.
+
+Mon Jun 9 14:47:22 1997 Paul Eggert <eggert@twinsun.com>
+
+ * tree.c (change_main_variant): Remove unused function.
+ (build_array_type): Remove obsolete references to
+ change_main_variant.
+ * c-decl.c (complete_array_type): Likewise.
+
+ * c-common.c (c_build_type_variant): Don't futz with main type
+ variant of array since C Standard requires main type variant of
+ array-of-const also be array-of-const.
+
+ * Makefile.in: Comment out lines containing just formfeeds.
+
+ * Makefile.in (distclean): Remove config.bak.
+ (maintainer-clean): Output warning.
+ Do not remove `configure'.
+
+Mon Jun 9 14:44:17 1997 J.T. Conklin <jtc@netbsd.org>
+
+ * configure.in (*-*-netbsd): Restore changes of Apr 13th lost in
+ autoconf conversion: tmake_file now t-netbsd; delete xmake_file.
+
+Mon Jun 9 14:39:29 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_builtin, case BUILT_IN_FRAME_ADDRESS):
+ Use correct function name in error message.
+
+ * Makefile.in (diff): Exclude bi-parser.h.
+
+ * i386.h (CC1_CPU_SPEC): Renamed, was CC1_SPEC.
+ (CC1_SPEC): New macro.
+ (EXTRA_SPECS): Add "cc1_cpu".
+ * i386/linux.h (CC1_SPEC): New macro.
+
+Mon Jun 9 13:23:06 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
+
+ * m68k/next.h (TARGET_DEFAULT): Use MASK_68040,
+ not MASK_68040_ALSO.
+ * m68k/mot3300.h, m68k/ccur-GAS.h (TARGET_DEFAULT): Likewise.
+
+ * m68k.h (MACHINE_STATE_{SAVE,RESTORE}): Test #ifdef __mcf52000__,
+ not if (TARGET_52000); fixed for mc68000 case.
+
+ * m68k/mot3300.h (CPP_SPEC): Define __mc68020__ if no -m[c]68000
+ command-line option given.
+
+Mon Jun 9 09:19:17 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
+
+ * Makefile.in (target_alias): Substitute with target_alias.
+
+ * final.c (final_scan_insn): Use single_set to check cc_status.flags.
+
+Mon Jun 9 09:09:07 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * c-common.c (check_format_info): Correct handling of the 'a' flag
+ which adds another pointer level.
+
+Sun Jun 8 00:34:25 1997 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (conditional branch insns): Get length right for branches
+ to targets which can not be reached with a "bl" instruction.
+ * pa.c (output_cbranch): Handle branches to targets which can not
+ be reached with a "bl" instruction.
+
+ * pa.md (alternate dbra pattern): Remove incorrect pattern.
+
+Sat Jun 7 23:30:25 1997 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (struct defer_plab): Renamed to struct deferred_plabel.
+ Remove "symbol" field and replace with "name" field.
+ (output_function_epilogue): Don't output deferred plabels here.
+ (output_deferred_labels): New function. Output them here instead.
+ (output_call): Rewrite long call support.
+ * pa.h (ASM_FILE_END): Define.
+ (LEGITIMATE_CONSTANT_P): Never accept a function_label_operand.
+ * pa.md (HIGH and LO_SUM of function address): Remove patterns.
+
+Fri Jun 6 16:09:04 1997 Mike Stump <mrs@cygnus.com>
+
+ * libgcc2.c (__eh_ffetmnpc): Add support for machines that cannot
+ access globals after throw's epilogue when -fno-sjlj-exceptions is
+ used.
+ * rs6000.c (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
+ * mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
+ (INITIAL_ELIMINATION_OFFSET): Fix RETURN_ADDRESS_POINTER_REGNUM
+ for 64 bit words, with 32 bit pointers and variable endianness.
+
+Fri Jun 6 17:27:58 1997 Mike Meissner <meissner@cygnus.com>
+
+ * regclass.c (allocate_reg_info): Fix off by one error.
+
+Fri Jun 6 17:17:41 1997 Doug Evans <dje@cygnus.com>
+
+ * basic-block.h (EXECUTE_IF_SET_IN_REG_SET): Fix setting of scan_rs_.
+ (EXECUTE_IF_SET_AND_RESET_IN_REG_SET): Likewise.
+ (EXECUTE_IF_AND_IN_REG_SET): Likewise.
+ (EXECUTE_IF_AND_COMPL_IN_REG_SET): Likewise.
+
+Fri Jun 6 15:42:59 1997 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.c (notice_cc_update): Set CC_FCOMI is this is a float compare.
+
+Fri Jun 6 15:12:38 1997 Jim Wilson <wilson@cygnus.com>
+
+ * basic-block.h (REG_SET_TO_HARD_REG_SET): Fix typo.
+
+ * sched.c (update_flow_info): When add extra REG_DEAD note for original
+ dest, handle case where last insn both uses and sets dest.
+
+Thu Jun 5 22:19:36 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * fixinc.irix: Add declaration of __vfork to unistd.h.
+
+ * i960/vx960-coff.h (CPP_SPEC): Always define CPU, even if they
+ use -ansi; the VxWorks headers assume it's always present.
+ * sparc/vxsparc.h (CPP_SPEC): Define, adding the CPU definition to
+ what came from sparc.h.
+ (CPP_PREDEFINES): Don't define it here.
+
+Thu Jun 5 13:40:33 1997 Mike Meissner <meissner@cygnus.com>
+
+ * basic-block.c (OBSTACK_ALLOC_REG_SET): Rename from
+ OBALLOC_REG_SET. Add obstack pointer parameter.
+
+ * flow.c (function_obstack): Add declaration.
+ (life_analysis): Don't allocate the space to hold to vector of
+ regsets here.
+ (init_regset_vector): Add pointer parameter and delete space
+ paramter. Use OBSTACK_ALLOC_REG_SET to allocate. Change callers.
+ (propagate_block): Use ALLOCA_REG_SET instead of bare alloca.
+
+ * sched.c (schedule_block): Fix typo in yesterday's changes.
+ * reorg.c (mark_target_live_regs): Ditto.
+
+Thu Jun 5 09:44:49 1997 Jeffrey A Law (law@cygnus.com)
+
+ * sh.c (trap_exit, sp_switch): New variables.
+ (print_operand, case '@'): If trap_exit is nonzero, then use
+ a trapa instead of an rte/rts to exit the current function.
+ (sh_expand_prologue): Switch stacks at function entry as needed.
+ (sh_expand_epilogue): Similarly at function exit.
+ (function_epilogue): Clear trap_exit and sp_switch too.
+ (sh_valid_machine_decl_attribute): New function.
+ * sh.h (VALID_MACHINE_DECL_ATTRIBUTE): Define.
+ (sp_switch): Declare.
+ * sh.md (sp_switch_1, sp_switch_2): New named patterns.
+
+Wed Jun 4 18:11:14 1997 Michael Meissner <meissner@cygnus.com>
+
+ * basic-block.h (REGSET_ELT_BITS): Make this explicitly unsigned, so
+ that division and modulus of REGSET_ELT_BITS uses a pure shift.
+ (*_REG_SET): New macros to abstract the register set interface.
+
+ * caller-save.c (save_call_clobbered_regs): Use new *_REG_SET
+ macros.
+ * flow.c (life_analysis,propagate_block,insn_dead_p): Ditto.
+ (regno_uninitialized,regno_clobbered_at_setjmp,mark_set_1): Ditto.
+ (mark_used_regs,dump_flow_info,global_conflicts): Ditto.
+ global.c (mark_elimination): Ditto.
+ * reorg.c (mark_target_live_regs): Ditto.
+ * sched.c (sched_{analyze_{1,insn},note_set}): Ditto.
+ (birthing_insn_p,attach_deaths,unlink_notes,schedule_block): Ditto.
+
+ * sched.c (sometimes structure): Delete offset, bit fields, replace
+ with regno.
+ (new_sometimes_live): Take regno argument, not offset and bit.
+ Change all callers.
+
+Tue Jun 3 19:18:36 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * fixincludes: Fix AIX NULL macro use of void*.
+
+Tue Jun 3 15:21:04 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * sparc.h (ASM_OUTPUT_MI_THUNK): Handle -fpic.
+
+Mon Jun 2 16:53:53 1997 Michael Meissner <meissner@cygnus.com>
+
+ * loop.c (n_times_{set,used}): Make type int, not short.
+ (scan_loop): n_times{set,used} are now int pointers.
+
+ * sched.c (sched_reg_n_deaths): Remove unused variable.
+ (struct sometimes): Make fields int sized, not short.
+ (schedule_insns): Don't set sched_reg_n_deaths, nobody uses it.
+
+ * regclass.c (allocate_reg_info): Allocate the space for
+ reg_renumber, but don't set reg_renumber unless new argument
+ RENUMBER_P is set. If this is the first call for the function and
+ we need to grow space, use free/xmalloc instead of realloc since we
+ will be initializing the whole array. If number of registers is <
+ 0, just free up the space.
+ (reg_scan): Update allocate_reg_info call.
+
+ * regs.h (allocate_reg_info): Change prototype.
+
+ * flow.c (allocate_for_life_analysis): Update allocate_reg_info
+ call.
+
+ * local-alloc.c (local_alloc): Call allocate_reg_info to allocate
+ and initialize the reg_renumber array.
+ * stupid.c (stupid_life_analysis): Ditto.
+
+Mon Jun 2 14:50:06 1997 Dave Miller <davem@jenolan.rutgers.edu>
+
+ * sparc/sparc.md (v9 eq/ne cond move patterns): Add early clobber
+ constraint to destination.
+
+Fri May 30 11:00:44 1997 Michael Meissner <meissner@cygnus.com>
+
+ * regs.h (reg_info): New structure to group the arrays indexed by
+ register number created by reg_scan and flow_analysis that are
+ globally visiable.
+ (reg_n_info): Pointer to the register information array.
+ (reg_n_{refs,sets,deaths,calls_crossed}): Delete variables.
+ (reg_changes_size): Ditto.
+ (REG_N_{REFS,SETS,DEATHS,CALLS_CROSSED}): New macros to reference
+ reg_n_info.
+ (REG_{CHANGES_SIZE,{FIRST,LAST,LAST_NOTE}_UID}): Ditto.
+ (allocate_reg_info): Add declaration.
+
+ * basic-block.h (reg_basic_block): Delete.
+ (REG_BASIC_BLOCK): Use reg_n_info structure.
+
+ * caller-save.c: Change all references to the above arrays to use
+ the corresponding macro to access the reg_n_info array.
+ * combine.c, cse.c, flow.c, global.c, jump.c, local-alloc.c: Ditto.
+ * loop.c, regclass.c, reload1.c, sched.c, stupid.c, unroll.c: Ditto.
+
+ * regclass.c (allocate_reg_info): New function to allocate the
+ reg_info array and initialize the appropriate fields.
+ (reg_scan): Call it.
+
+ * flow.c (allocate_for_life_analysis): Call allocate_reg_info to do
+ the actual allocation.
+
+Thu May 29 15:42:59 1997 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.md (movsfcc_1, movdfcc_1, movxfcc_1): Use singlemove_string
+ for float conditional move when destination and operands all differ.
+
+ * i386.h (ASM_OUTPUT_REG_{PUSH,POP}): add %% before register name.
+
+ * go32.h (ASM_OUTPUT_ALIGN): Use .p2align, not byte alignments.
+
+Wed May 28 20:44:00 1997 Mike Stump <mrs@cygnus.com>
+
+ * except.c (push_eh_entry): Eliminate start of exception region
+ label, as it isn't used. Rename end_label to outer_context.
+ (expand_eh_region_start_for_decl): Likewise.
+ (expand_leftover_cleanups): Likewise.
+ (expand_start_all_catch): Likewise.
+ * except.h (eh_entry): Likewise.
+ * except.c (expand_eh_region_end): Likewise. Jump around the nop
+ that we insert, so that we can optimize it away, if it is unused,
+ also so that flow analysis can tell if we fall through to the end
+ of a function or not so that it can know if a function that returns
+ a value, in fact does or not.
+
+Wed May 28 10:50:09 1997 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (jump): Handle out of range unconditional jump
+ when not optimizing.
+
+Thu May 22 00:57:07 1997 Jeffrey A Law (law@cygnus.com)
+
+ * reload1.c (reload_cse_record_set): Ignore values for SREG if
+ their mode is narrower than DEST_MODE.
+
+ * pa.h (DFMODE_RETURN_STRING): Define.
+ (SFMODE_RETURN_STRING): Likewise.
+ (ASM_DECLARE_FUNCTION_NAME): Use them.
+
+Wed May 21 23:32:02 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.md (reload_insi): Handle SUBREG properly.
+
+Tue May 20 22:32:13 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (dwarf2out_def_cfa): Set cfa_reg at the top.
+
+Tue May 20 16:57:50 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * cplus-dem.c (do_type): Handle `J'.
+ (demangle_fund_type): Print "complex" for it.
+
+Mon May 19 21:01:53 1997 Jim Wilson <wilson@cygnus.com>
+
+ * m68k.c (output_move_qimode): Add coldfire support.
+ * m68k.h (PUSH_ROUNDING): Add coldfire support.
+ * m68k.md (scc0_di, scc_di, seq, sne, sgt, sgtu, slt, sltu, sge, sgeu,
+ sle, sleu): Add coldfire support.
+
+Mon May 19 17:53:34 1997 Mike Meissner <meissner@cygnus.com>
+
+ * rs6000/rs6000.c: (rs6000_pic_func_labelno): New variable to hold
+ the pic label number for the function's LCL label.
+ (rs6000_output_load_toc_table): Use it.
+ (output_prolog): Store current value.
+
+Sun May 18 16:32:08 1997 Michael Meissner <meissner@cygnus.com>
+
+ * config/dbxcoff.h (ASM_OUTPUT_SOURCE_LINE): Use the macros
+ ASM_{GENERATE,OUTPUT}_INTERNAL_LABEL to create/output the line
+ number label.
+
+Sun May 18 13:55:12 1997 John Vickers (john@rhizik.demon.co.uk)
+
+ * m68k.h (TARGET_SWITCHES): Add new target name, cpu32.
+
+Sun May 18 13:50:10 1997 Pat Rankin <rankin@eql.caltech.edu>
+
+ * cccp.c (VMS_write, VMS_read): Delete.
+ (safe_write): If MAX_WRITE_LEN is defined, limit
+ incremental write attempts to that amount.
+ (safe_read): Analogous situation for MAX_READ_LEN.
+ * cpplib.c (safe_read): Likewise.
+ * vax/xm-vms.h (MAX_WRITE_LEN, MAX_READ_LEN): Define.
+
+ * vax/xm-vms.h (get_dynamic_handler_chain_libfunc): New macro.
+ (protect_cleanup_actions_with_terminate): New macro.
+
+Sun May 18 08:50:25 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * m68k/linux.h (ASM_COMMENT_START): Define.
+ * m68k/linux-aout.h (ASM_COMMENT_START): Define.
+
+ * reload1.c (reload_cse_regno_equal_p): Check for value using more
+ than one register on a big endian machine.
+
+Sun May 18 08:39:59 1997 Vince Del Vecchio <vdelvecc@spd.analog.com>
+
+ * loop.c (maybe_eliminate_biv_1): In (set (cc0) <biv>) case,
+ swap compare operands when mult_val < 0 in one additional place.
+
+Sun May 18 08:33:30 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * dwarf2out.c (ASM_COMMENT_START): Add default definition.
+
+ * Makefile.in (maintainer-claean): Delete configure.
+
+Sun May 18 08:31:59 1997 Scott Christley <scottc@net-community.com>
+
+ * configure.in: New file.
+ * Makefile.in: Change to utilize autoconf variables.
+ * configure: Now an output file.
+
+Sun May 18 07:48:31 1997 J.T. Conklin <jtc@netbsd.org>
+
+ * m68k.md (mov[qhs]i,movstrict[qs]i, mulsi3): Use 'Q' constraint
+ for TARGET_5200.
+ * m68k.h (EXTRA_CONSTRAINT): New macro.
+
+ * m68k.h (TARGET_SWITCHES): Add 68020-60.
+ Mask out bits which indicate a particular processor when a different
+ processor is selected.
+ (MASK_68040_ALSO): Remove.
+ (MASK_68040): Change to be a single bit.
+
+ * m68k.h (TARGET_ALIGN_INT, MASK_ALIGN_INT): New macros.
+ (BIGGEST_ALIGNMENT): Determine according to TARGET_ALIGN_INT.
+ (TARGET_SWITCHES): Add align-int and no-align-int.
+
+ * m68k.md (mov[qhs]i}): Add pair of constraints which allow
+ offsetable memory addresses to be moved to the same for TARGET_5200.
+
+ * m68k.c (output_move_strict{hi,qi}): New functions.
+ * m68k.h (output_move_strict{hi,qi}): Declare.
+ * m68k.md (movstrict*): Changed into define_expands.
+ Split insns into m68k and coldfire specific versions with appropriate
+ constraints.
+
+Sun May 18 07:26:40 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
+
+ * libgcc2.c (atexit): Cast malloc and realloc calls.
+
+Sat May 17 16:26:51 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
+
+ * final.c (profile_function): Call function_section, not
+ text_section.
+
+Sat May 17 16:01:00 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
+
+ * cse.c (notreg_cost): New function, extracted from COST macro.
+ (COST): Use notreg_cost.
+
+Sat May 17 15:13:23 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * cse.c (cse_insn): Don't record a SRC that's a MEM and the same
+ as a REG_EQUIV note if DEST is set more than once.
+
+Fri May 16 14:50:57 1997 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (output_move_double): Handle loading a general register
+ from a scaled indexed memory address.
+ * pa.md (movdf, movdi): Allow scaled loads into general registers.
+
+Fri May 16 13:31:08 1997 Mike Stump <mrs@cygnus.com>
+
+ * rs6000.c (rs6000_stack_info): Only do eabi setup for "main",
+ when main is the global main, not some nested routine that
+ happens to be called main.
+
+Thu May 15 17:19:50 1997 Mike Stump <mrs@cygnus.com>
+
+ * except.c (expand_start_all_catch): If the machine needs to
+ perform any actions at the start of an expcetion handler that
+ hasn't already been done, use gen_exception_receiver to emit it.
+ (expand_leftover_cleanups): Likewise.
+ * alpha/alpha.md (exception_receiver): Use it.
+ * pa/pa.h (exception_receiver): Use it.
+
+Thu May 15 08:36:59 1997 Jeffrey A Law (law@cygnus.com)
+
+ * dbxout.c (dbxout_function_end): Don't subtract one from
+ the end of function scoping stab.
+
+Wed May 14 23:27:09 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.md (adddi3, subdi3): Remove expanders and patterns.
+
+Wed May 14 18:51:35 1997 Mike Stump <mrs@cygnus.com>
+
+ * function.c (expand_function_end): Make sure we finish off any
+ leftover exception handlers.
+
+Tue May 13 14:07:01 1997 Mike Stump <mrs@cygnus.com>
+
+ * expr.c (expand_builtin_setjmp): Remove setting of
+ current_function_has_nonlocal_goto, as this isn't a goto.
+
+Tue May 13 14:47:40 1997 Richard Earnshaw (rearnsha@cambridge.arm.com)
+
+ * arm.h (CPP_SPEC): Fix typo invoking cpp_endian.
+ * arm/t-semi (LIB2FUNCS_EXTRA): Build fp-bit.c when compiling
+ with -msoft-float.
+ * arm.c: Add prototypes for all static functions.
+ (output_multi_immediate, int_log2): Make static.
+
+ * arm.h (*_SPEC): Remove all references to mle/mbe.
+ * arm/coff.h (MULTILIB_DEFAULTS): Likewise.
+ * arm/t-bare (MULTILIB_OPTIONS): Change options mbe/mle to mbig-endian
+ and mlittle-endian.
+ (MULTILIB_MATCHES): Nothing matches that matters.
+
+Mon May 12 20:42:20 1997 Mike Stump <mrs@cygnus.com>
+
+ * except.c (expand_start_all_catch): If the machine needs a
+ nonlocal_goto_receiver, add one at the start of the exception
+ handler.
+ (expand_leftover_cleanups): Likewise.
+
+Mon May 12 17:36:28 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mips.c (move_operand): Accept any general operand after reload
+ has started.
+
+Fri May 9 14:29:33 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.md (udivmodhi4, divmodhi4): Remove expander, give
+ corresponding pattern [u]divmodhir4 name. Clear MDR register
+ in the udivmodhi4 pattern itself.
+ (clear_mdr): Delete pattern.
+
+Thu May 8 18:20:30 1997 Richard Earnshaw (rearnshaw@cambridge.arm.com)
+
+ * arm/aout.h (ASM_OUTPUT_LONG_DOUBLE): Delete call to
+ arm_increase_location.
+ (ASM_OUTPUT_{DOUBLE,FLOAT,INT,SHORT,CHAR,BYTE,ASCII,SKIP}): Likewise.
+ (ASM_OUTPUT_ALIGN): Delete all code refering to arm_text_location.
+
+ * arm.c (arm_increase_location, get_prologue_size): Delete.
+ (arm_naked_function_p): Add declaration.
+ (arm_pic_register): Define.
+ (all_procs): Delete entries for arm{60,620,70,7d,7di,700i,710c}; add
+ entries for arm{7m,7500fe,8}, strongarm and strongarm110.
+ (arm_override_options): Rework so that configure can properly set
+ the default processor type. Add a warning that PIC code is not yet
+ supported.
+ (legitimate_pic_operand_p, legitimize_pic_address): New functions.
+ (is_pic, arm_finalize_pic): New functions.
+ (arm_adjust_cost): New function.
+ (const_pool_offset, arm_backwards_branch, short_branch): Delete.
+ (arm_insn_not_targeted): Delete.
+ (add_constant): If generating AOF syntax, then handle pic specially.
+ (output_ascii_pseudo_op): Delete calls to arm_increase_location.
+ (function_really_clobbers_lr): Calls followed by a barrier don't
+ clobber the link register.
+ (output_func_prologue): Handle AOF syntax pic code.
+ (output_func_epilogue): Handle cases where lr_save_eliminated is set.
+ Delete call to arm_increase_location.
+ (arm_asm_output_label): Simplify, since we no-longer need to cache the
+ label's address.
+ (aof_pic_entry): New function to keep track of pic symbols.
+ (aof_dump_pic_table): New function.
+
+ * arm.h (TARGET_CPU_arm*, TARGET_CPU_strongarm*, TARGET_CPU_generic):
+ define.
+ (CPP_ARCH_DEFAULT_SPEC): Set up based on setting of TARGET_CPU_DEFAULT.
+ (CPP_SPEC): Split up into sub-rule calls.
+ (CPP_CPU_SPEC): Add default definition.
+ (CPP_APCS_PC_SPEC, CPP_APCS_PC_DEFAULT_SPEC): Add definitions.
+ (CPP_FLOAT_SPEC, CPP_FLOAT_DEFAULT_SPEC): Add definitions.
+ (CPP_ENDIAN_SPEC, CPP_ENDIAN_DEFAULT_SPEC): Add definitions.
+ (CC1_SPEC): Map legacy -m[236] onto -mcpu=.. and -mapcs-{26,32} as
+ appropriate. Similarly for -mbe and -mle to -m{big,little}-endian.
+ (EXTRA_SPECS): Define.
+ (enum processor_type): New types for arm8 and strongarm.
+ (CONDITIONAL_REGISTER_USAGE): Handle flag_pic.
+ (LEGITIMIZE_ADDRESS): Likewise.
+ (ADJUST_COST): Define.
+ (PIC_OFFSET_TABLE_REGNUM): Define.
+ (FINALIZE_PIC): Define.
+ (LEGITIMATE_PIC_OPERAND_P): Define.
+ (OUTPUT_INT_ADDR_CONST): Define.
+ (ASM_OUTPUT_MI_THUNK): Delete calls to arm_increase_location.
+ (MASK_RETURN_ADDR): Use TARGET_APCS_32 not TARGET_6.
+
+ * arm.md (attr cpu): Add new cpu types for arm8 and strongarm.
+ (attr ldsched): New attribute, set if processor has a load_delay slot.
+ (function_unit core): Rework to handle load delay slots.
+ (function_unit loader): New function unit.
+ (movsi): Handle pic.
+ (pic_load_addr): New expand.
+ (*pic_load_addr_based_insn, pic_add_dot_plus_eight): New patterns.
+ (peepholes to cause flow to return to a label after a function call):
+ Delete, these have been disabled for a while now.
+
+ * arm/riscix.h (CPP_SPEC): Rewrite using new sub-components.
+ (SUBTARGET_CPU_DEFAULT): Set to TARGET_CPU_arm2.
+ * arm/riscix1-1.h (CPP_SPEC): Rewrite using new sub-components.
+ (SUBTARGET_CPU_DEFAULT): Set to TARGET_CPU_arm2.
+ * arm/semi.h: (CPP_SPEC): Delete.
+ (PROCESSOR_DEFAULT): Delete.
+ (CPP_APCS_PC_DEFAULT_SPEC): Define.
+ * arm/semiaof.h (CPP_SPEC): Delete.
+ (CPP_APCS_PC_DEFAULT_SPEC): Define.
+ * arm/t-semi (LIBGCC1_TEST): Don't build it.
+ (MULTILIB_{OPTIONS,DIRNAMES,EXCEPTIONS}): Build a suitable set of
+ cross libraries.
+ (LIBGCC): Set to stmp-multilib.
+ (INSTALL_LIBGCC): Set to install-multilib.
+
+Thu May 8 15:20:46 1997 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.c (output_float_compare): For pentiumpro use fcomip
+ followed by a float stack pop for "compare;pop;pop" cases.
+
+Thu May 8 13:20:20 1997 Chris Torek <torek@elf.bsdi.com>
+
+ * fold-const.c (fold, truth_andor): Disable optimization for
+ side effects on RHS.
+
+Wed May 7 15:43:57 1997 Mike Stump <mrs@cygnus.com>
+
+ * except.c (start_dynamic_handler): Fix so that we can use
+ __builtin_setjmp, and default to using __builtin_setjmp instead of
+ setjmp.
+ * expr.c (expand_builtin_setjmp): New routine, split out from
+ existing inline code from expand_builtin.
+ (expand_builtin): Split out code into expand_builtin_setjmp.
+ * expr.h (expand_builtin_setjmp): Add declaration.
+ * libgcc2.c (__sjthrow): Default to using __builtin_setjmp instead
+ of setjmp.
+ (__sjpopnthrow): Likewise.
+ * optabs.c (init_optabs): Likewise.
+
+Wed May 7 18:01:24 1997 Samuel Figueroa <Samuel_Figueroa@next.com>
+
+ * rs6000.md (insv): Only combine insert with shift if
+ remaining source bits >= destination field size.
+
+Tue May 6 15:48:52 1997 Jason Merrill <jason@gerbil.cygnus.com>
+
+ * dwarf2out.c (dwarf2out_begin_prologue): Increment
+ current_funcdef_number here.
+ (dwarf2out_end_epilogue): Not here.
+
+Mon May 5 18:52:32 1997 Jeffrey A Law (law@cygnus.com)
+
+ * h8300.c (notice_update_cc): Use CC_SET_ZN and CC_SET_ZNV.
+ (shift_one, shift_two): Set CC_NO_CARRY as needed. Remove
+ references to CC_OVERFLOW_0.
+ (emit_a_shift): Similarly.
+ * h8300.h (CC_OVERFLOW_0): Remove.
+ * h8300.md: Use set_zn and set_znv for cc0 tracking.
+ (bCC): Restore the comparison is CC_OVERFLOW_UNUSABLE is set and
+ the comparison needs the overflow bits.
+
+ * mn10300.c (notice_update_cc): Use CC_SET_ZN and CC_SET_ZNV.
+ * mn10300.h (CC_NO_CARRY): Define.
+ * mn10300.md: Use "set_zn" and "set_znv" to more accurately
+ describe cc0 status.
+
+Fri May 2 17:00:33 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c: Reorganize, moving .debug_frame support to the top
+ of the file, and compile it if INCOMING_RETURN_ADDR_RTX is defined
+ even if DWARF2_DEBUGGING_INFO isn't.
+ (EH_FRAME_SECTION): New macro.
+ (output_call_frame_info): Handle .eh_frame variant.
+ (dwarf2out_def_cfa): Update cfa_*{reg,offset}.
+ (dwarf2out_frame_debug): Move cfa_*{reg,offset} to file scope.
+ (dwarf2out_end_epilogue): Increment current_funcdef_number here.
+ (dwarf2out_decl): Not here.
+ (dwarf2out_frame_init, dwarf2out_frame_finish): New fns.
+ (dwarf2out_init, dwarf2out_finish): Call them.
+ (output_die): Add missing 'case 8:'
+ (dwarf2out_decl): Revert other context_die = NULL change.
+ (add_bound_info): Restore default case.
+
+Fri May 2 15:30:16 1997 Doug Evans <dje@seba.cygnus.com>
+
+ * m32r/m32r.h (LIT_NAME_P): New macro.
+ (SMALL_NAME_P): Use it.
+ (ASM_OUTPUT_ALIGNED_COMMON): Don't output to scommon if -msdata=none.
+ * m32r/m32r.c (addr24_operand): Handle literals.
+ (m32r_output_function_prologue): Use IMMEDIATE_PREFIX.
+ (m32r_output_function_epilogue): Likewise. Use shorter add insn if
+ able.
+
+Fri May 2 14:40:44 1997 David Edelsohn <edelsohn@mhpcc.edu>
+
+ * rs6000.h (RS6000_ALIGN): Macro renamed from ALIGN.
+ * rs6000.c (rs6000_stack_info): Use it.
+
+Fri May 2 14:15:54 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * reload1.c (reload_cse_noop_set_p): When checking the values
+ equivalent to sreg, make sure the mode is right.
+
+Fri May 2 12:53:03 1997 Jeffrey A Law (law@cygnus.com)
+
+ * reload1.c (reload_cse_invalidate_regno): Properly set
+ the mode for invalidate_regno_rtx.
+
+Thu May 1 14:57:35 1997 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (call_internal_symref): Fix typo.
+
+Thu May 1 14:44:17 1997 Jim Wilson <wilson@cygnus.com>
+
+ * mips.c (mips_asm_file_start): Use new macro TARGET_FILE_SWITCHING.
+ (mips_asm_file_end): Likewise.
+ * mips.h (TARGET_FILE_SWITCHING): Define.
+ (NO_DBX_FUNCTION_END): Define.
+
+Thu May 1 09:08:40 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * m68k.c (output_addsi3): Replace "\\;" by "\n\t" in
+ assembler templates.
+
+Thu May 1 09:00:42 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * integrate.c (subst_constants, case SUBREG): Cancel changes once
+ done with result.
+
+Wed Apr 30 19:45:56 1997 Jim Wilson <wilson@cygnus.com>
+
+ * mips.c (override_options): Set mips_split_addresses only if
+ TARGET_SPLIT_ADDRESSES is set.
+ * mips.h (MASK_SPLIT_ADDR, TARGET_SPLIT_ADDRESSES): New macros.
+ (TARGET_SWITCHES): Add -msplit-addresses, -mno-split-addresses.
+ * configure (mips*-*-ecoff*, mips*-*-elf*): Set MASK_SPLIT_ADDR
+ bit in target_cpu_default2.
+
+ * flags.h (current_function_is_thunk): Add extern to declaration.
+
+ * dbxout.c (dbxout_function): Test NO_DBX_FUNCTION_END at run time
+ instead of compile time.
+
+ * unroll.c (set_dominates_use): In second loop, add check for copy_end.
+
+ * mips.md (paradoxical_extendhidi2, paradoxical_extendqidi2): New
+ patterns.
+
+Wed Apr 30 02:23:24 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * output.h (named_section): Add reloc argument.
+ (DECL_READONLY_SECTION): New macro.
+ * varasm.c (named_section): Add reloc argument, pass it to
+ ASM_OUTPUT_SECTION_NAME.
+ (UNIQUE_SECTION, UNIQUE_SECTION_P): Provide defaults.
+ (function_section): Pass reloc argument to named_section.
+ (variable_section, exception_section): Likewise.
+ (output_constant_def_contents): Likewise.
+ (assemble_start_function): Use UNIQUE_SECTION_P. UNIQUE_SECTION is
+ now a statement.
+ (assemble_variable): Likewise.
+ * mips/iris6.h (ASM_OUTPUT_SECTION_NAME): Add reloc arg,
+ use DECL_READONLY_SECTION.
+ * psos.h, ptx4.h, a29k.h, alpha/elf.h, arm/coff.h, h8300.h: Likewise.
+ * i386/go32.h, i386/sco5.h, m68k/coff.h, mips/elf64.h: Likewise.
+ * mips/netbsd.h, pa.h, rs6000/sysv4.h, sh.h, sparc/sysv4.h: Likewise.
+ * config/svr4.h (SELECT_SECTION): Use DECL_READONLY_SECTION.
+ (ASM_OUTPUT_SECTION_NAME): Likewise, add reloc argument.
+ (MAKE_DECL_ONE_ONLY): Just set DECL_WEAK.
+ (UNIQUE_SECTION, UNIQUE_SECTION_P): Define.
+ * i386/cygwin32.h (UNIQUE_SECTION_P): Define.
+ (SUPPORTS_ONE_ONLY): Define.
+ (MAKE_DECL_ONE_ONLY): Lose.
+ (ASM_OUTPUT_SECTION_NAME): Add reloc arg, use DECL_READONLY_SECTION.
+ * i386/winnt.c (i386_pe_unique_section): Add reloc arg,
+ use DECL_READONLY_SECTION.
+
+ * mips/iris6.h (CTORS_SECTION_ASM_OP): Change aligment based on ABI.
+ (DTORS_SECTION_ASM_OP): Likewise.
+
+Tue Apr 29 16:08:07 1997 Jeffrey A Law (law@cygnus.com)
+
+ * pa/lib1funcs.asm (divnorm, modnorm, exitdiv): Fix code to
+ negate SImode values.
+
+Tue Apr 29 12:54:14 1997 Mike Stump <mrs@cygnus.com>
+
+ * except.c (expand_eh_region_start_tree): Add DECL argument so we
+ can better track why the region was made for error reporting.
+ * except.h (expand_eh_region_start_tree): Likewise.
+ * tree.h (expand_dhc_cleanup): Likewise.
+ (expand_dcc_cleanup): Likewise.
+ * except.c (expand_eh_region_start_for_decl): New routine.
+ * except.h (expand_eh_region_start_for_decl): Likewise.
+ * stmt.c (expand_decl_cleanup): Add DECL to call of
+ expand_eh_region_start_tree.
+ (expand_dcc_cleanup): Likewise.
+ (expand_dhc_cleanup): Likewise.
+
+ (expand_start_case): Switches introduce conditional contexts.
+ (expand_start_case_dummy): Likewise.
+ (expand_start_case_dummy): Likewise.
+ (expand_end_case): Likewise.
+
+Tue Apr 29 11:45:09 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (dwarf2out_decl): Undo earlier change.
+ (constant_size): Likewise.
+ (gen_subprogram_die): Handle NULL context_die.
+
+ * mips/iris6.h (ASM_OUTPUT_CONSTRUCTOR): Fix for -mabi=64.
+ (ASM_OUTPUT_DESTRUCTOR): Likewise.
+
+Mon Apr 28 09:10:19 1997 Jeffrey A Law (law@cygnus.com)
+
+ * h8300.c (push_order, pop_order): Add missing initializer
+ entries.
+
+Fri Apr 25 19:39:43 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * h8300.c (output_adds_subs): check for adding 0.
+
+Fri Apr 25 14:52:31 1997 Jim Wilson <wilson@cygnus.com>
+
+ * configure (i[3456]86-*-freebsdelf*, i[3456]86-*-freebsd*): Use
+ t-freebsd instead of x-freebsd.
+ * i386/t-freebsd: Renamed from x-freebsd.
+
+Fri Apr 25 12:16:20 1997 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * go32.h (DBX_*): Use definitions from config/dbxcoff.h instead.
+
+Fri Apr 25 11:55:54 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * i386/cygwin32.h (MULTIPLE_SYMBOL_SPACES): Define.
+
+Thu Apr 24 18:32:56 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * i386/winnt.c (i386_pe_unique_section): New fn.
+ * i386/cygwin32.h (UNIQUE_SECTION): Define.
+ (MAKE_DECL_ONE_ONLY): Define.
+ (ASM_OUTPUT_SECTION_NAME): Support DECL_ONE_ONLY.
+
+ * c-decl.c (implicitly_declare): Don't set DECL_ARTIFICIAL.
+
+Thu Apr 24 17:11:23 1997 Jim Wilson <wilson@cygnus.com>
+
+ * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
+ TARGET_5200 support.
+
+Thu Apr 24 16:39:25 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * stmt.c (pushcase_range): Check for null range first.
+
+Wed Apr 23 23:06:28 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * reload1.c (reload_cse_record_set): Use push_operand to check for
+ changes to the stack pointer.
+
+Wed Apr 23 19:56:01 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * calls.c (expand_call): If we're in a thunk, pass through invisible
+ references instead of making a copy.
+ * flags.h: Add current_function_is_thunk.
+ * function.c: Likewise.
+ (init_function_start): Initialize it.
+ (push_function_context_to): Save it.
+ (pop_function_context_from): Restore it.
+ * function.h (struct function): Add is_thunk.
+
+Wed Apr 23 17:47:25 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.c (secondary_reload_class): Handle more cases where we
+ need secondary reloads.
+ (impossible_plus_operand): Accept anything that involves addition
+ of the stack pointer.
+ * mn10300.md (reload_insi): Always load the stack pointer into
+ the destination (which is always an address register).
+ * mn10300.h (STORE_FLAG_VALUE): Remove definition.
+ * xm-mn10300.h: Declare malloc, realloc, calloc and free.
+
+Wed Apr 23 14:28:30 1997 Mike Stump <mrs@cygnus.com>
+
+ * expr.h (sjthrow_libfunc): Add support for setjmp/longjmp based
+ exception handling.
+ (sjpopnthrow_libfunc): Likewise.
+ (terminate_libfunc): Likewise.
+ (setjmp_libfunc): Likewise.
+ (longjmp_libfunc): Likewise.
+ (get_dynamic_handler_chain_libfunc): Likewise.
+ * expr.c (expand_expr, case TRY_CATCH_EXPR): Likewise.
+ (expand_expr, case POPDCC_EXPR): Likewise.
+ (expand_expr, case POPDHC_EXPR): Likewise.
+ * stmt.c (mark_block_as_eh_region): Likewise.
+ (mark_block_as_not_eh_region): Likewise.
+ (is_eh_region): Likewise.
+ (conditional_context): Likewise.
+ (expand_start_bindings): Likewise.
+ (expand_end_bindings): Likewise.
+ (expand_decl_cleanup): Likewise.
+ (expand_dcc_cleanup): Likewise.
+ (expand_dhc_cleanup): Likewise.
+ (expand_cleanups): Likewise.
+ * tree.h (mark_block_as_eh_region): Likewise.
+ (mark_block_as_not_eh_region): Likewise.
+ (is_eh_region): Likewise.
+ (conditional_context): Likewise.
+ (expand_dhc_cleanup): Likewise.
+ * except.c (exception_via_longjmp): Likewise.
+ (protect_cleanup_actions_with_terminate): Likewise.
+ (current_function_dhc): Likewise.
+ (current_function_dcc): Likewise.
+ (add_partial_entry): Likewise.
+ (get_dynamic_handler_chain): Likewise.
+ (get_dynamic_cleanup_chain): Likewise.
+ (start_dynamic_cleanup): Likewise.
+ (start_dynamic_handler): Likewise.
+ (expand_eh_region_start_tree): Likewise.
+ (expand_eh_region_start): Likewise.
+ (expand_eh_region_end): Likewise.
+ (emit_throw): Likewise.
+ (expand_leftover_cleanups): Likewise.
+ (expand_start_all_catch): Likewise.
+ (expand_end_all_catch): Likewise.
+ (protect_with_terminate): Likewise.
+ (start_eh_unwinder): Likewise.
+ (end_eh_unwinder): Likewise.
+ (init_eh_for_function): Likewise.
+ (save_eh_status): Likewise.
+ (restore_eh_status): Likewise.
+ (exception_optimize): Likewise.
+ * optabs.c (sjthrow_libfunc): Likewise.
+ (sjpopnthrow_libfunc): Likewise.
+ (terminate_libfunc): Likewise.
+ (setjmp_libfunc): Likewise.
+ (longjmp_libfunc): Likewise.
+ (get_dynamic_handler_chain_libfunc): Likewise.
+ (init_optabs): Likewise.
+ * except.h: Likewise.
+ * libgcc2.c (__default_terminate): Likewise.
+ (__terminate): Likewise.
+ (__get_dynamic_handler_chain): Likewise.
+ (__sjthrow): Likewise.
+ (__sjpopnthrow): Likewise.
+ * toplev.c (f_options): Likewise.
+ * tree.def (TRY_CATCH_EXPR): Likewise.
+ (POPDHC_EXPR): Likewise.
+ (POPDCC_EXPR): Likewise.
+ * config/pa/pa.h: JMP_BUF_SIZE define.
+ * config/sparc/sparc.h: JMP_BUF_SIZE define.
+
+ * expr.h (cleanups_this_call): Transform uses of cleanups_this_call
+ into uses of the cleanups managed by the block code
+ (expand_start_bindings and friends). Remove defer_cleanups_to and
+ expand_cleanups_to, and use start_cleanup_deferal and
+ end_cleanup_deferal instead. Add exception_region,
+ target_temp_slot_level, conditional_code,
+ last_unconditional_cleanup and cleanup_ptr to struct nesting to
+ facilitate conditional cleanups.
+ * expr.c (cleanups_this_call): Likewise.
+ (init_expr): Likewise.
+ (save_expr_status): Likewise.
+ (restore_expr_status): Likewise.
+ (store_expr): Likewise.
+ (expand_expr): Likewise.
+ (defer_cleanups_to): Likewise.
+ (expand_cleanups_to): Likewise.
+ (do_jump, case TRUTH_ANDIF_EXPR): Likewise.
+ (do_jump, case TRUTH_ORIF_EXPR): Likewise.
+ (do_jump, case COND_EXPR): Likewise.
+ * stmt.c (struct nesting): Likewise.
+ (expand_return): Likewise.
+ (expand_start_bindings): Likewise.
+ (expand_end_bindings): Likewise.
+ (expand_cleanups): Likewise.
+ (start_cleanup_deferal): Likewise.
+ (end_cleanup_deferal): Likewise.
+ * tree.h (start_cleanup_deferal): Likewise.
+ (end_cleanup_deferal): Likewise.
+ * calls.c (expand_call): Likewise.
+ * function.h (struct function): Likewise.
+
+ * except.c (asynchronous_exceptions): Support
+ -fasynchronous_exceptions.
+ (can_throw): Likewise.
+ * toplev.c (f_options): Likewise.
+
+ * flags.h (flag_short_temps): Remove support for short temps.
+ * calls.c (expand_call): Likewise.
+ * toplev.c (flag_short_temps): Likewise.
+
+ * stmt.c (expand_start_target_temps): Add for convenience.
+ (expand_end_target_temps): Likewise.
+ * except.c (jumpif_rtx): Likewise.
+ * except.c (jumpifnot_rtx): Likewise.
+
+ * stmt.c: Remove all traces of empty_cleanup_list.
+
+Wed Apr 23 17:26:40 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * reload1.c (reload_cse_mem_conflict_p): Don't assume that a
+ SUBREG can not conflict with a MEM.
+
+Wed Apr 23 09:48:58 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
+
+ * 1750a.md (cmphi): Fixed when next CC user is unsigned.
+ (mov[hq]i-[23]): New patterns for mem-indirect moves.
+ (movhf,movtqf): Corrected.
+ * 1750a.c (memop_valid): Memory indirection now valid.
+ (nonindirect_operand): Remove.
+ (print_operand): Fix the 'J' output modifier.
+ * 1750a.h (FRAME_POINTER_REQUIRED): Not required.
+ (INITIAL_FRAME_POINTER_OFFSET,FIX_FRAME_POINTER_ADDRESS): Undefine.
+ (FUNCTION_PROLOGUE,FUNCTION_EPILOGUE): Honor -fomit-frame-pointer.
+ (ELIMINABLE_REGS,CAN_ELIMINATE,INITIAL_ELIMINATION_OFFSET): Defined.
+ (PREFERRED_RELOAD_CLASS): Corrected.
+ (CONST_COSTS,ADDRESS_COST,REGISTER_MOVE_COST,MEMORY_MOVE_COST):
+ Slight adjustments.
+ (ASM_APP_ON,ASM_APP_OFF): Corrected.
+ * ms1750.inc (DUCR.M,DUC.M): Defined.
+
+Wed Apr 23 09:41:35 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * reload.c (push_reload): Fix last argument of the call to
+ find_dummy_reload.
+
+Wed Apr 23 09:29:14 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * configure (i[3456]86-next-*, m68k-next-nextstep{2,3}*):
+ Remove out_file and add extra_objs.
+ * config/nextstep.c: Add includes for config.h, stdio.h, and flags.h.
+ * {i386,m68k}/t-next (nextstep.o): New rule.
+ * m68k/next.h: Remove include of machmode.h.
+ * {i386,m68k}/next.c: Files deleted.
+
+Tue Apr 22 20:45:29 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * sparc.h (DBX_CONTIN_LENGTH): Shrink to 1000.
+
+Tue Apr 22 18:21:20 1997 Jim Wilson <wilson@cygnus.com>
+
+ * dwarf2out.c (gen_variable_dir): Add test for DW_AT_declaration to
+ the old_die if statement, and delete assertion for it.
+ (decl_ultimate_origin): Remove last change.
+
+Tue Apr 22 10:22:27 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.c (expand_prologue): End the current sequence before
+ counting the tst insns in the current function. Start a new
+ one before emitting any prologue instructions.
+
+ * mn10300.h (REGISTER_MOVE_COST): Bump up cost of moves in the
+ same class.
+
+ * mn10300.md (untyped_call): New expander.
+
+Mon Apr 21 16:30:21 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * cse.c (fold_rtx, case PLUS): When seeing if negative of constant
+ is around, make sure not dealing with largest negative.
+
+Mon Apr 21 13:57:53 1997 Jim Wilson <wilson@cygnus.com>
+
+ * mips/t-ecoff: Set TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
+
+ * m68k.c (output_addsi3): New function. From addsi3 pattern.
+ * m68k.h (output_addsi3): Add declaration.
+ * m68k.md (movqi+2): Add address registers.
+ (movxf+1): Disable for TARGET_5200.
+ (movxf+2): New pattern for TARGET_5200.
+ (addsi3): Add define_expand. Move code to output_addsi3.
+ (addsi3_internal): Renamed from addsi3. Disable for TARGET_5200.
+ (addsi3_5200): New pattern for TARGET_5200.
+
+Sun Apr 20 10:45:35 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * fold-const.c (operand_equal_p): Constants are not equal if there
+ has been an overflow.
+
+ * toplev.c (compile_file): Shorten "branch-probabilities" in
+ output of times.
+
+ * alpha/vms.h (MOD[SD]I3_LIBCALL): Call ots$rem, not ots$mod.
+ (DWARF2_DEBUGGING_INFO): Define.
+
+ * alpha.c (alpha_need_linkage): Call get_identifier.
+
+ * rs6000.c (rs6000_output_load_toc_table): New function.
+ (output_prolog): Call it instead of doing it directly.
+ * rs6000.md (nonlocal_goto_receiver): New pattern.
+
+ * dwarf2out.c: Major cleanup; mostly reformatting.
+ Include expr.h.
+ Undefine inline ifndef __GNUC__; never define to include static.
+ Add "static" to header of all inlined functions.
+ Add declarations for all static functions, with prototypes.
+ (addr_const_to_string): Use HOST_WIDE_INT_PRINT_* macros.
+ (add_AT_*, new_{die,loc_descr,cfi): Don't check for xmalloc
+ returning zero.
+ (modified_type_die): Add missing parm on recursive call.
+ ({reg,based}_loc_descriptor): Add missing arg to call to new_loc_descr.
+ (add_const_value_attribute): Use REAL_VALUE_TYPE for fp calculations.
+ (output_call_frame_info): Add missing arg to output_cfi call.
+ (dwarf2out_def_cfa): Local variable OLD_REG must be unsigned long.
+ * Makefile.in (dwarf2out.o): Includes expr.h.
+
+ * dwarf2out.c: Cast first arg in all calls to bzero to char *.
+ (decl_ultimate_origin): Return NULL if equal to decl.
+ (constant_size): Never return more than 4.
+ (value_format, case 8): New case.
+ (dwarf2out_frame_debug): Use HARD_FRAME_POINTER_REGNUM.
+ (based_loc_descr): Likewise.
+ (add_bound_info): Delete default case.
+ Add cases for CONVERT_EXPR and NON_LVALUE_EXPR; treat like NOP_EXPR.
+ Change NOP_EXPR to to recursive call.
+ (add_type_attribute): Ignore unnamed subtype of integral or FP.
+ (gen_subprogram_die): Use reg_loc_descriptor.
+ (dwarf2out_decl): Ignore nested functions.
+
+ * fix-header.c, protoize.c, gcov.c: Use symbolic codes for exit.
+
+ * final.c (profile_function): Only call ASM_OUTPUT_REG_{PUSH,POP}
+ if defined.
+
+ * expr.c ({move,clear}_by_pieces_1, expand_assignment): Ensure
+ we have unshared rtx before changing flags.
+ (store_{constructor,field}): Likewise.
+ (expand_expr, case COMPONENT_REF): Likewise.
+ (store_expr): Check if TEMP and TARGET are same with rtx_equal_p.
+
+ * emit-rtl.c (change_address, init_emit): Delete forward references.
+ (rtl_obstack, stack_depth, max_stack_depth): Delete extern decls.
+
+Fri Apr 18 18:25:52 1997 Jim Wilson <wilson@cygnus.com>
+
+ * function.c (instantiate_decls): For DECL_INCOMING_RTL, use max
+ of type size and mode size in instantiate_decl call.
+
+ * fixincludes (sys/lc_core.h): Fix OSF1/4.x namespace pollution.
+
+Wed Apr 16 19:36:53 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (add_bound_info): Use a DIE instead of a location
+ expression for variable bounds. Trust a MEM rtx even when
+ optimizing.
+ (DWARF_FRAME_RETURN_COLUMN): Default to FIRST_PSEUDO_REGISTER.
+
+ * expr.c (expand_expr, case RTL_EXPR): If there is no sequence,
+ don't set it to const0_rtx.
+ * tree.c (array_type_nelts): Don't return any SAVE_EXPRs.
+
+Mon Apr 14 18:12:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
+
+ * rs6000.h (RS6000_ITRUNC, RS6000_UITRUNC): Prepend underscores.
+ (RS6000_MCOUNT): New macro.
+ (ASM_FILE_START): Use RS6000_MCOUNT.
+ * rs6000.c (output_function_profiler): Use RS6000_MCOUNT.
+ * rs6000/aix31.h (RS6000_{ITRUNC,UITRUNC,MCOUNT}): New macros.
+
+Mon Apr 14 14:37:27 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.c (can_use_return_insn): Include outgoing argument
+ area in size computation.
+ (expand_prologue): Likewise. No longer diddle with sequences.
+ Put register saves just before outgoing argument area.
+ (expand_epilogue): Similarly.
+ (impossible_plus_operand): New function.
+ * mn10300.h (FRAME_POINTER_REQUIRED): Never require a frame pointer.
+ (ACCUMULATE_OUTGOING_ARGS, OUTGOING_REG_PARM_STACK_SPACE): Define.
+ (impossible_plus_operand): Declare.
+ * mn10300.md (reload_insi): New expander to handle pathological
+ reload cases.
+ (addsi3): Fix CC status.
+
+ * mn10300.h (FUNCTION_VALUE): Return addresses in $a0.
+ (FUNCTION_VALUE_REGNO_P): Corresponding changes.
+ * mn10300.md (call_value_internal): Allow output to be in an
+ address register.
+
+ * calls.c (emit_library_call): Handle saving of stack slots when
+ ACCUMULATE_OUTGOING_ARGS is defined.
+ (emit_library_call_value): Likewise.
+
+Mon Apr 14 14:48:15 1997 Jim Wilson <wilson@cygnus.com>
+
+ * sh.md (xtrct_left, xtrct_right): New patterns.
+
+ * combine.c (get_last_value_validate): New argument insn.
+ Add check for memory reference clobbered by later store.
+ (record_value_for_reg, get_last_values): Pass in new argument.
+
+Mon Apr 14 14:03:18 1997 Mike Meissner <meissner@cygnus.com>
+
+ * configure (powerpc --with-cpu=x): Add embedded powerpcs and 604e.
+
+ * rs6000.c (rs6000_override_options): Recognize -mcpu=801, -mcpu=823,
+ and -mcpu=604e.
+
+Sun Apr 13 18:43:16 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * reload1.c (invalidate_regno_rtx): New static variable.
+ (reload_cse_invalidate_regno): Check whether any earlier registers
+ have a multi-register value which includes the register we are
+ invalidating.
+ (reload_cse_regs): Initialize invalidate_regno_rtx.
+
+ * reload1.c (reload_cse_record_set): When setting reg_values for a
+ copy from one register to another, use gen_lowpart_common to
+ adjust the value correctly if the mode changes.
+
+Sun Apr 13 17:24:48 1997 Doug Evans <dje@cygnus.com>
+
+ * expr.c (move_block_from_reg): Try using an integral mov operation
+ first.
+
+ * calls.c (expand_call): When copying unaligned values into a register,
+ zero out the register first rather than emitting a clobber.
+
+ * integrate.c (copy_rtx_and_substitute): If FRAME_GROWS_DOWNWARD
+ and regno == VIRTUAL_STACK_VARS_REGNUM, round size of stack slot up
+ before calling assign_stack_temp.
+
+Sun Apr 13 15:29:38 1997 Ulrich Drepper <drepper@cygnus.com>
+
+ * enquire.c (fake_f_rep): Add missing element name in cast.
+
+Sun Apr 13 15:20:05 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * stor-layout.c (layout_record, PCC_BITFIELD_TYPE_MATTERS):
+ Fix sign bug in last change.
+
+Sun Apr 13 15:03:38 1997 J.T. Conklin <jtc@netbsd.org>
+
+ * m68k.md (movstricthi): Remove extraneous comparisons.
+
+ * configure (*-*-netbsd): tmake_file now t-netbsd; delete xmake_file.
+ * config/t-netbsd: New file.
+ * config/x-netbsd: Removed.
+
+Sun Apr 13 14:51:25 1997 Richard Earnshaw (rearnsha@armltd.co.uk)
+
+ * cse.c (canon_reg, cse_insn): Don't examine insn_n_dups if
+ recog_memoized fails to find a match.
+
+Sun Apr 13 14:17:26 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * reload1.c (reload_cse_noop_set_p): Add insn parameter. Change
+ all callers. If deleting the instruction, remove any earlier
+ REG_DEAD note for DREG.
+ (reload_cse_simplify_set): If simplifying, remove any earlier
+ REG_DEAD note for the new source register.
+
+Sun Apr 13 14:12:08 1997 Pat Rankin <rankin@eql.caltech.edu>
+
+ * libgcc2 (L_bb, L_exit): Use 0 rather than NULL for null pointers.
+
+Sun Apr 13 12:53:03 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * m68k/linux.h (ASM_SPEC): Define.
+ (STRUCT_VALUE_REGNUM, STATIC_CHAIN_REGNUM, INITIALIZE_TRAMPOLINE):
+ Remove definitions, undoing the change of Mar 20 1996.
+
+ * m68k.c (output_move_qimode): Optimize pushing one byte if source
+ operand does not use stack pointer.
+
+ * m68k.md (rotl[shq]i3, rotl[hq]i3+1): Don't directly modify operand.
+
+ * m68k.md (tstdi): Add missing parallel around the pattern.
+
+Sun Apr 13 12:51:00 1997 Paul Eggert <eggert@twinsun.com>
+
+ * cccp.c, cpplib.c (do_include): Diagnose #import and
+ #include_next if pedantic and if not in a system header.
+ (do_warning): #warning now causes an error if -pedantic-errors
+ is given; this is needed since #warning isn't ANSI.
+
+ * toplev.c (lang_options): Add -Wundef, -Wno-undef.
+ * c-decl.c (c_decode_option): Ignore -Wundef, -Wno-undef.
+
+ * cccp.c, cexp.y (warn_undef): New variable.
+ * cpplib.h (struct cpp_options): New member warn_undef.
+ (CPP_WARN_UNDEF): New macro.
+
+ * cccp.c (main), cpplib.c (cpp_handle_options): Set warn_undef
+ from -Wundef and -Wno-undef.
+
+ * cppexp.c (cpp_lex) New arg skip_evaluation.
+ (cpp_parse_expr): Pass skip_evaluation to cpp_lex.
+ Abort if cpp_lex returns NAME.
+
+ * cexp.y (exp), cppexp.c (cpp_lex): Optionally warn about undefined
+ identifiers that evaluate to 0.
+
+Sun Apr 13 11:43:16 1997 Joel Sherrill <joel@OARcorp.com>
+
+ * configure (hppa1.1-*-rtems*): New target.
+ * mips/rtems.h: New file.
+
+Sun Apr 13 09:48:26 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * gcov.c (print_usage, open_files): Use FATAL_EXIT_CODE.
+ * collect2.c (fatal_perror, fatal, collect_wait): Likewise.
+
+ * sparc.c (eligible_for_delay_slot): Clean up and make to agree
+ precisely with patterns in MD file.
+ * sparc.md (*return_addsi): Change condition to exclude both ints.
+ (*return_adddi): Likewise.
+ (*return_subsi): New pattern.
+
+ * recog.c (validate_replace_rtx_1, case MINUS): New case.
+
+Sun Apr 13 08:20:24 1997 Thomas Bushnell <thomas@gnu.ai.mit.edu>
+
+ * i386/gnu.h (TARGET_VERSION): Redefine.
+
+Sun Apr 13 08:15:31 1997 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
+
+ * c-typeck.c (lookup_field): Don't recurse unless FIELD is
+ a RECORD_TYPE or UNION_TYPE.
+
+ * final.c (profile_function): Save the static chain register
+ around the call to the profiler function.
+
+ * loop.c (invariant_p, case REG): Pointers into frame are not
+ invariants if function has nonlocal gotos.
+ * reload1.c (reload): If function has nonlocal label, mark all
+ caller-saved regs as used.
+
+Fri Apr 11 16:49:06 1997 Doug Evans <dje@seba.cygnus.com>
+
+ * m32r.h (REG_ALLOC_ORDER): Restore to original setting.
+
+ * m32r.h (UPPER16_P): Fix calculation.
+ * m32r.c (two_insn_const_operand): New function.
+ (m32r_print_operand): Handle 'X'.
+ * m32r.md (movsi): Tweak.
+ (*movsi_insn): Output hex value of constants too.
+ (movsi define_split): Add.
+ (andsi3,orsi3,xorsi3): Output hex value of constants too.
+
+Thu Apr 10 18:39:33 1997 Jim Wilson <wilson@cygnus.com>
+
+ * sh.md (sne): Modified to use negc instead of xor.
+ (sne+1): New define_split for new sne pattern.
+ * sh.c (output_stack_adjust): Reorganize code for readability.
+ If size is negative, negate and subtract it instead of adding it.
+
+Wed Apr 9 13:51:07 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (output_stack_adjust): When splitting an adjustment into two
+ parts, make sure the stack is aligned at all times.
+
+Tue Apr 8 12:34:38 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.h (RETURN_ADDR_RTX): Define.
+
+Mon Apr 7 19:19:57 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.c (count_tst_insns): New function.
+ (expand_prologue): Load zero into data and/or address registers
+ if any are free and the function has optimizable tst insns.
+ (output_tst): If a suitable register is known to have the
+ value zero, use it instead of searching for a suitable register.
+ * mn10300.h (zero_dreg, zero_areg): Declare.
+ (FRAME_POINTER_NEEDED): Frame pointers are not needed if the
+ outgoing argument size is zero.
+ * mn10300.md (movXX): Optimize loading zero into an address
+ register if possible. Optimize loading a DF/DI mode value
+ into an address register from a constant memory address.
+ (addsi3): Provide alternative which doesn't require a matching
+ inout operand.
+ (return): Optimize consecutive return instructions.
+
+Mon Apr 7 17:30:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * mips/iris5.h (SUBTARGET_CC1_SPEC): Define.
+ (LINK_SPEC, STARTFILE_SPEC): Support -static.
+ * mips/iris6.h (SUBTARGET_CC1_SPEC): Define.
+ (STARTFILE_SPEC, LINK_SPEC): Support -static.
+ * mips.h: (SUBTARGET_CC1_SPEC): Define.
+ (CC1_SPEC): Add subtarget_cc1_spec.
+ (EXTRA_SPECS): Add subtarget_cc1_spec.
+
+Sun Apr 6 12:24:53 1997 Richard Earnshaw (rearnsha@armltd.co.uk)
+
+ * arm.md (incscc): Use a match_operand with cc_register to match
+ the condition code register.
+ (decscc, *condbranch, *condbranch_reversed, *mov_scc): Likewise.
+ (*mov_negscc, *mov_notscc, *cond_return): Likewise.
+ (*cond_return_inverted, *ior_scc, *cond_move): Likewise.
+ (insv): New expand.
+ (andsi_notsi_si): Renamed from *andsi_notsi_si.
+ (andsi_not_shiftsi_si): New insn.
+ (*minmax_arithsi): Don't match this insn if operand1 is an
+ eliminable register.
+ ({sin,cos}*): Delete, since the ARM always emulates these its
+ faster to call a library function.
+ (movsicc, *movsicc_insn): Make operand0 an s_register_operand,
+ and operand3 an arm_not_operand. Use cc_register to match the
+ condition code register.
+ (mov[sd]fcc*): Make operand[0,2] s_register_operands, and operand3
+ the nonmemory_operand. Use cc_register to match the condition
+ code register.
+ (*ifcompare_plus_move): Move before *ifcompare_arith_move. Just do
+ a split for the output.
+ (*ifcompare_move_plus): Similarly, but relative
+ to *ifcompare_move_arith.
+ (*if_plus_move, *if_move_plus): New patterns.
+ (*ifcompare_arith_arith): Simplify the alternatives down to just one,
+ and split the insn before output.
+ (*if_arith_arith, *if_arith_move, *if_move_arith): New patterns.
+ (*ifcompare_move_not, *ifcompare_not_move): Simplify and split the
+ insn before output.
+ (*if_move_not, *if_not_move): New patterns.
+ (*ifcompare_shift_move, *ifcompare_move_shift): Simplify and split the
+ insn before output.
+ (*if_shift_move, *if_move_shift): New patterns.
+ (*ifcompare_shift_shift): Simplify and split the insn before output.
+ (*if_shift_shift): New pattern.
+ (*ifcompare_not_arith, *ifcompare_arith_not): Simplify and split the
+ insn before output.
+ (*if_not_arith, *if_arith_not): New patterns.
+ (*ifcompare_neg_move, *ifcompare_move_neg): Simplify and split the
+ insn before output.
+ (*if_neg_move, *if_move_neg): New patterns.
+
+Sat Apr 5 20:17:43 1997 Michael Meissner <meissner@cygnus.com>
+
+ * rs6000/sol-ci.asm (_environ): Don't make _envrion a common
+ variable, the lastest assembler doesn't let common variables also
+ be a weak symbol.
+
+Fri Apr 4 18:30:12 1997 Jim Wilson <wilson@cygnus.com>
+
+ * rs6000/rs6000.md (adddi3): Use non_short_cint_operand instead of
+ non_add_cint_operand.
+
+Thu Apr 3 15:08:39 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.c (can_use_return_insn): Add size of fixed stack space
+ for function calls into the size of the frame. */
+ (expand_prologue, expand_epilogue): Likewise.
+ (initial_offset): Corresponding changes..
+ * mn10300.h (OUTGOING_REG_PARM_STACK_SPACE): No longer define.
+ (STACK_POINTER_OFFSET): Define.
+ * mn10300.md (call, call_value expanders): Don't adjust the stack
+ pointer here anymore.
+
+ * mn10300.md (ashlsi3): Remove some alternatives which are no longer
+ needed or desired.
+
+Thu Apr 3 15:06:53 1997 Jim Wilson <wilson@cygnus.com>
+
+ * local-alloc.c (no_conflict_p): Reject sequences with foreign insns.
+
+ * combine.c (move_deaths): Handle partial REG_DEAD note for
+ multi-reg hard register.
+
+ * function.c (expand_function_start): Emit queue after expanding
+ each dynamic parameter type.
+
+ * mips.c (mips_move_2words): Add SIGN_EXTEND support for SYMBOL_REF,
+ LABEL_REF, and CONST operands.
+
+ * dwarf2out.c: Delete comment referring to README.DWARF.
+
+Wed Apr 2 17:21:23 1997 Jim Wilson <wilson@cygnus.com>
+
+ * rs6000.md (ashrdi3_power): Mark alternative 0 as early_clobber
+ output.
+
+ * rs6000.md (abssi3_nopower define_split): Switch operands of MINUS.
+ (nabssi3_nopower define_split): Likewise.
+
+Tue Apr 1 19:30:01 1997 Mike Stump <mrs@cygnus.com>
+
+ * libgcc2.c (find_exception_table): Fix to logic to deal with
+ functions that are in their own section, such as template
+ instantiations, that cause overlapping EH tables.
+
+Tue Apr 1 17:16:22 1997 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (USER_H): Add va-mn10300.h
+
+ * ginclude/stdarg.h: Include va-mn10300.h.
+ * ginclude/varargs.h: Likewise.
+ * ginclude/va-mn10300.h: New file.
+ * mn10300.c (expand_prologue): If current_function_varargs is nonzero,
+ flush d0/d1 back into stack.
+ (mn10300_builtin_saveregs): New function.
+ (function_arg, function_arg_partial_nregs): New functions.
+ (initial_offset): Tweak now that the RP save area is allocated
+ and deallocated around each call again.
+ * mn10300.h (FIRST_PARM_OFFSET): Now 4.
+ (FRAME_POINTER_REQUIRED): Require frame pointer for all non-leaf fcns.
+ (REG_PARM_STACK_SPACE): Now 8 bytes.
+ (FUNCTION_ARG_REGNO_P): Update for new parameter passing conventions.
+ (CUMULATIVE_ARGS, INIT_CUMULATIVE_ARGS): Likewise.
+ (FUNCTION_ARG_ADVANCE, FUNCTION_ARG): Likewise.
+ (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
+ (TRAMPOLINE_TEMPLATE): Don't clobber d0 anymore.
+ (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
+ (EXPAND_BUILTIN_SAVEREGS): Define.
+ * mn10300.md (call, call_value patterns): Allocate and deallocate
+ stack slot for return pointer around each call.
+
+ * mn10300.h (RTX_COSTS): Refine.
+ (CASE_VALUES_THRESHHOLD, NO_FUNCTION_CSE): Likewise.
+ * mn10300.c (output_tst): New function.
+ * mn10300.md (movdi, movdf): Improve code to load constants into regs.
+ (tst insns): Use output_tst to optimize some cases. Add versions to
+ encourage more zero extensions instead of sign extensions of HImode
+ and QImode values.
+ (divsi3, udivsi3): Remove patterns. Replaced by...
+ (divmodsi4, udivmodsi4): New expanders/patterns.
+ (andsi3): Optimize "and" operations with certain constants.
+
+Tue Apr 1 09:14:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h: (ADJUST_COSTS): Define.
+
+Fri Mar 28 17:46:13 1997 Jim Wilson <wilson@cygnus.com>
+
+ * Makefile.in (LANGUAGES): Add gcov.
+ (OBJS): Add profile.o.
+ (STAGESTUFF): Add gcov.
+ (profile.o, gcov.o, gcov): Add rules to build them.
+ (cpp.info, gcc.info, gcc.dvi): Add gcov.texi.
+ (install-common): Install gcov.
+ * combine.c (distribute_notes): Handle REG_BR_PROB and REG_EXEC_COUNT
+ REG_NOTES.
+ * sparc.h (OVERRIDE_OPTIONS): Check profile_arc_flag.
+ * final.c (LONG_TYPE_SIZE): Define.
+ (count_instrumented_arcs): New variable.
+ (end_final, profile_after_prologue, leaf_function_p): Add support
+ for profile_arc_flag.
+ (add_bb): Only call CC_STATUS_INIT if HAVE_cc0.
+ * flags.h (profile_arc_flag, flag_test_coverage,
+ flag_branch_probabilities): Declare.
+ * function.c (expand_function_end): Output NOTE_REPEATED_LINE_NUMBER
+ for last line of function.
+ * integrate.c (expand_inline_function): Output
+ NOTE_REPEATED_LINE_NUMBER after inlined call.
+ * jump.c (jump_optimize, follow_jumps, mark_jump_label): Disable some
+ optimizations when flag_test_coverage and there is a line number note
+ in the way.
+ (invert_jump): Add REG_BR_PROB when flag_branch_probabililties.
+ * libgcc2.c (__bb_exit_func): Support gcov style output.
+ * reorg.c (mostly_true_jump): Use REG_BR_PROB notes when
+ flag_branch_probabilities.
+ * rtl.c (note_insn_name): Add NOTE_REPEATED_LINE_NUMBER.
+ (reg_note_name): Add REG_BR_PROB and REG_EXEC_COUNT.
+ * rtl.h (enum reg_note): Add REG_BR_PROB and REG_EXEC_COUNT.
+ (REG_BR_PROB_BASE): Define.
+ (NOTE_REPEATED_LINE_NUMBER): Define.
+ * sched.c (update_flow_info): Handle REG_EXEC_COUNT and REG_BR_PROB
+ notes.
+ * toplev.c (branch_prob_dump, profile_arc_flag, flag_test_coverage,
+ flag_branch_probabilities, branch_prob_dump_file, branch_prob_time):
+ New variables.
+ (f_options): Add profile-arcs, test-coverage, and
+ branch-probabilities.
+ (compile_file): Set branch_prob_time. Pass flag_test_coverage to
+ init_emit_once. Handle branch_prob_dump. Call init_branch_prob.
+ Call end_branch_prob. Call output_func_start_profiler.
+ (rest_of_compilation): Handle branch_prob_dump. Call new
+ branch_prob pass.
+ (main): Set branch_prob_dump.
+ * gcov.c, profile.c, gcov-io.h, gcov.texi: New files.
+
+Thu Mar 27 16:52:52 1997 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.h (CPP_CPU_DEFAULT): Define if TARGET_CPU_DEFAULT is not set.
+ * i386.h (STACK_BOUNDARY): Define to always be 32.
+
+ From J"orn Rennecke <amylaar@cygnus.co.uk>
+ * i386.md: (zero_extendhisi2+[12]): use true_regnum instead of REGNO for
+ operand 0.
+ (zero_extendqisi2+3: use reg_overlap_mentioned_p instead of REGNO
+ comparison; use true_regnum instead of REGNO for rtx generation.
+
+Wed Mar 26 12:34:21 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * reload1.c (reload): Call reload_cse_regs.
+ (reg_values): New static variable.
+ (reload_cse_invalidate_regno): New static function.
+ (reload_cse_mem_conflict_p): New static function.
+ (reload_cse_invalidate_mem): New static function.
+ (reload_cse_invalidate_rtx): New static function.
+ (reload_cse_regs): New static function.
+ (reload_cse_regno_equal_p): New static function.
+ (reload_cse_noop_set_p): New static function.
+ (reload_cse_simplify_set): New static function.
+ (reload_cse_check_clobbered): New static variable.
+ (reload_cse_check_src): New static variable.
+ (reload_cse_check_clobber): New static function.
+ (reload_cse_record_set): New static function.
+
+Wed Mar 26 07:34:06 1997 Ulrich Drepper <drepper@cygnus.com>
+
+ * ginclude/stdarg.h (__va_copy): New definition.
+
+Tue Mar 25 13:43:36 1997 Michael Meissner <meissner@cygnus.com>
+
+ * gcc.c (init_spec): If -v, print out that the default spec values
+ were being used. Fix prototype to reflect no arguments.
+ (set_spec): If specs has not been set, set it up with the default
+ specs.
+ (read_specs): Move to later in the file so that startfile_prefixes
+ has been declared. Process "%include <file>" to include another
+ specs file, aborting if the file can't be found. Process
+ "%include_noerr <file>: to include another specs file, giving no
+ error if the file can't be found. Process "%rename var1 var2" to
+ rename a specs variable. Take new argument that indicates whether
+ we are processing the main file. Only process % commands if this
+ is not the main specs file. Change callers.
+ (main): Do not call init_spec if a specs file was found.
+ (set_spec,read_specs,do_spec_1): If DEBUG_SPECS is defined, print
+ debug information.
+
+Tue Mar 25 14:43:58 1997 Doug Evans <dje@cygnus.com>
+
+ * expr.c (emit_push_insn): Delete emission of CLOBBER
+ when doing partial push, no longer necessary.
+
+ * c-decl.c (grokdeclarator): Pedwarn qualified void function return
+ type.
+
+Tue Mar 25 14:28:15 1997 Richard Earnshaw (rearnsha@armltd.co.uk)
+
+ * reload.c (find_dummy_reload): New parameter earlyclobber. If set
+ then don't use IN for the reload if it also appears elsewhere in
+ the insn. All callers changed.
+
+Tue Mar 25 13:20:18 1997 J.T. Conklin <jtc@cygnus.com>
+
+ * m68k/lb1sf68.asm (udivsi3): Fix hunk from previous patch that
+ did not apply correctly.
+
+ * m68k.md (tablejump): Use extl to explicitly sign extend
+ index registeron TARGET_5200.
+ * m68k/{apollo68.h,coff.h,linux.h,mot3300.h,pbb.h}
+ (ASM_RETURN_CASE_JUMP): Likewise.
+
+ * m68k.md (mulsi3): Changed into define_expand. Split insn into
+ m68k and coldfire specific versions with appropriate constraints.
+
+ * m68k.md (movqi): Disable use of address registers for
+ TARGET_5200.
+
+ * m68k/lb1sf68.asm (__modsi3, __umodsi3): Use mulsl instruction
+ instead of __mulsi3 function call on the coldfire.
+
+ * m68k.md (bne0_di): Fix typo in last change.
+
+ * m68k.md (xorsi3_5200): Correct constraints.
+
+ * m68k.c (output_move_{si,hi,qi}mode): New functions.
+ * m68k.h (output_move_{si,hi,qi}mode): Declare.
+
+ * m68k.md (move{si,hi,qi,di}): Changed into define_expands. Split
+ insns into m68k and coldfire specific versions with appropriate
+ constraints.
+
+Tue Mar 25 12:18:41 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * Makefile.in (GCC_PASSES): Revert previous change; use
+ cc1$(exeext).
+
+Mon Mar 24 16:12:20 1997 Doug Evans <dje@cygnus.com>
+
+ * m32r/*: New files.
+ * config.sub: Add m32r.
+ * configure: Add m32r.
+ * longlong.h: Add m32r support.
+ * ginclude/{stdarg.h,varargs.h}: Add m32r support.
+ * ginclude/va-m32r.h: New file.
+
+Mon Mar 24 15:53:15 1997 Joel Sherrill <joel@OARcorp.com>
+
+ * rs6000/rtems.h: Change to a near clone of the powerpc-eabi target.
+ * configure (powerpc*-*-rtems): Move before Linux configuration.
+
+Mon Mar 24 14:26:37 1997 Gavin Koch <gavin@cygnus.com>
+
+ * ginclude/va-mips.h: For little endian, eabi, objects
+ less than __va_reg_size are passed in registers.
+
+Fri Mar 21 00:48:02 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.c (print_operand): Handle 'N'.
+
+ * mn10300.c (expand_epilogue): Correctly handle functions
+ with large frames, but no callee register saves.
+
+ * mn1300.md (movdf, movdi): Handle overlapping moves.
+
+ * pa.c (compute_movstrsi_length): Handle residuals correctly.
+
+Thu Mar 20 13:53:30 1997 Michael Meissner <meissner@cygnus.com>
+
+ * rs6000.c (easy_fp_constant): If -mrelocatable, consider all fp
+ constants to be hard.
+
+Mon Mar 20 13:53:30 1997 Jim Wilson <wilson@cygnus.com>
+
+ * rs6000.md (movdf/movsf define_splits): Add SUBREG support.
+
+ * rs6000.c (fp_reg_or_mem_operand): Delete.
+ * rs6000.h (PREDICATE_CODES): Remove fp_reg_or_mem_operand.
+ (fp_reg_or_mem_operand): Delete declaration.
+ * rs6000.md (movsf_hardfloat): Use nonimmediate_operand instead
+ of fp_reg_or_mem_operand.
+
+Thu Mar 20 08:52:27 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.md (cmpsi): Handle comparing a register with
+ itself by adding zero to the reg. Z bit for such an insn is
+ inverted.
+ * mn10300.c (notice_update_cc): Handle CC_INVERT.
+
+ * pa.c (emit_move_sequence): Don't lose for a secondary reload
+ to the SAR register if the input is a MEM with an offset that won't
+ fit in 14bits.
+
+Wed Mar 19 17:10:44 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * m68k/linux.h (ASM_OUTPUT_MI_THUNK): Define.
+
+Wed Mar 19 16:59:34 1997 Paul Eggert <eggert@twinsun.com>
+
+ * cccp.c, cpplib.c (do_error, do_warning): Fix memory leak.
+
+ * cccp.c (output_line_directive): Do not output negative line
+ numbers when analyzing directives like `#line 0'.
+
+ * cexp.y (parse_number, yylex), cccp.c (rescan), cpplib.c
+ (cpp_get_token): Unless -lang-c89 is specified, allow C9X-style
+ hexadecimal floating-point numbers as preprocessor numbers.
+ * cccp.c (c89): New decl.
+ (main): Set it to 1 if -lang-c89.
+ * cpplib.h (struct cpp_options): New member c89.
+ (CPP_C89): New macro.
+ * cpplib.c (unsafe_chars): `p' is unsafe before `-' or `+', since it
+ might generate a C9X-style hexadecimal floating-point number.
+ (cpp_handle_options): Set c89 option to 1 if -lang-c89.
+
+Tue Mar 18 17:05:57 1997 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.h (STACK_BOUNDARY): Determine according to TARGET_ALIGN_DOUBLE.
+
+ * i386.c (override_options) Make the default alignment 4 for 486,
+ otherwise 2.
+
+ * i386/freebsd-elf.h (CPP_SPEC): Remove TARGET_CPU_DEFAULT reference.
+ * i386/linux{,-aout,-oldld}.h (CPP_SPEC): Likewise.
+
+ * i386/go32.h (DBX_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE,
+ NO_STAB_H, ASM_FILE_START, DBX_BLOCKS_FUNCTION_RELATIVE,
+ DBX_FUNCTION_FIRST, DBX_OUTPUT_MAIN_SOURCE_FILE_END,
+ ASM_OUTPUT_SOURCE_LINE): Added to support stabs.
+ (ASM_OUTPUT_SECTION_NAME): Support section attribute.
+
+Tue Mar 18 16:12:28 1997 Jim Wilson <wilson@cygnus.com>
+
+ * final.c (shorten_branches): Split all insns before computing insn
+ lengths.
+ (final_scan_insn, case default): If HAVE_ATTR_length defined, call
+ abort for any insn that has a '#' output template.
+
+ * expr.c (emit_group_load): Call operand_subword instead of creating
+ an explicit SUBREG.
+
+ * reload1.c (reload_reg_free_before_p, case
+ RELOAD_FOR_OPERAND_ADDRESS): Conflicts with RELOAD_FOR_OPADDR_ADDR
+ reloads.
+
+ * configure (alpha-dec-osf[23456789]*): Use install-headers-cpio
+ for osf4.
+
+ * gcc.c (init_spec): Delete parameter. Always initialize extra_specs.
+ (process_command, main): Change all callers.
+
+ * combine.c (if_then_else_cond): Call copy_rtx to prevent sharing.
+
+Tue Mar 18 14:59:12 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * function.c (assign_parms): Add a REG_EQUIV note to the
+ instruction which copies a parameter into a pseudo-register
+ whenever there is an associated stack slot, even if the parameter
+ actually arrived in a register.
+
+Tue Mar 18 14:24:48 1997 Doug Evans <dje@cygnus.com>
+
+ * configure (alpha-dec-osf[23]): Separate osf[23] case.
+ * alpha.h (LIB_SPEC): -lprof1 requires -lpdf for OSF 4.
+ * alpha/osf2or3.h: New file.
+
+Tue Mar 18 11:32:10 1997 Jeffrey A Law (law@cygnus.com)
+
+ * m68k.c (m68k_last_compare_had_fp_operands): New variable.
+ * m68k.h (m68k_last_compare_had_fp_operands): Declare it.
+ * m68k.md (tst*, cmp*): Turn into define_expand/define_insn pairs.
+ Keep track of whether test/compare has fp operands.
+ (seq, sne, sgt, slt, sge, sle): Turn into define_expand/define_insn
+ pairs. Make expanders FAIL if TARGET_68060 and last comparison/test
+ had fp operands.
+
+Tue Mar 18 04:29:29 1997 Richard Earnshaw <rearnsha@armltd.co.uk>
+
+ * arm.md (movhi): Handle generation of large constants during
+ and after reload.
+
+Mon Mar 17 17:30:24 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * gmicro.h (RETURN_POPS_ARGS): Make sure FUNDECL is non-nil
+ before we try to use it.
+ * m68k.h (RETURN_POPS_ARGS): Likewise.
+ * ns32k.h (RETURN_POPS_ARGS): Likewise.
+ * pyr.h (RETURN_POPS_ARGS): Likewise.
+
+Mon Mar 17 17:13:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * stor-layout.c (layout_record, PCC_BITFIELD_TYPE_MATTERS):
+ Only add padding if a bit field would otherwise span more units
+ of alignment than its base type.
+
+Mon Mar 17 17:03:55 1997 J.T. Conklin <jtc@cygnus.com>
+
+ * m68k.md (beq0_di, bne0_di, bge0_di, blt0_di): Use cmpw #0
+ instead of tstl when testing address registers on the 68000.
+
+ * m68k/lb1sf68.asm: Fix prologues/epilogues to deal with the lack
+ of predecrement/postincrement addressing modes in the coldfire
+ moveml instruction.
+
+Mon Mar 17 17:00:14 1997 Scott Christley <scottc@net-community.com>
+
+ * Fix long standing bug where first method call for a class could
+ result in a garbled stack or produce an incorrect return value.
+ * objc/sendmsg.c (__objc_block_return): Remove function.
+ (__objc_word_return, __objc_double_return): Remove functions.
+ (__objc_get_forward_imp): New function.
+ (__objc_init_dispatch_tables): Install zero instead of
+ __objc_init_install_dtable.
+ (__objc_init_install_dtable): No longer call the method but
+ allow objc_msg_lookup return it for normal execution.
+ (obj_msg_lookup): Differentiate between when a method isn't
+ implemented and when the dispatch table needs to be installed.
+ Return the IMP when the dispatch table is installed versus
+ having __objc_init_install_dtable call it.
+ (get_imp): Install dispatch table if needed and return IMP
+ from the newly installed dispatch table.
+ (__objc_responds_to): Install dispatch table if needed before
+ checking if method is implemented.
+
+Mon Mar 17 16:29:38 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * tree.c (build_{index,range}_type): Ensure expressions for min
+ and max value are in same obstack as type.
+
+Mon Mar 17 15:44:18 1997 Pat Rankin <rankin@eql.caltech.edu>
+
+ * cccp.c [#if VMS] (O_RDONLY, O_WRONLY): Delete (redundant).
+ (BSTRING): Delete (obsolete; usage occurs prior to definition).
+ (do_include): Handle old VAX C style includes better.
+
+Mon Mar 17 13:46:47 1997 Paul Eggert <eggert@twinsun.com>
+
+ * cexp.y, cppexp.c (parse_number): Invalid integer constants are
+ errors if pedantic.
+ * cexp.y (yylex): Invalid multibyte characters are errors if pedantic.
+ * cppexp.c (cpp_lex): Likewise.
+ * cppexp.c (cpp_parse_escape): Character constants that do not fit are
+ errors if pedantic.
+
+ * c-parse.in (expr_no_commas): Do not store temporary
+ skip_evaluation increments on yacc value stack.
+
+Sun Mar 16 19:54:49 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * expr.c (expand_expr, case PLACEHOLDER_EXPR): Refine which
+ object is picked.
+
+Sun Mar 16 15:45:45 1997 Jeffrey A Law (law@cygnus.com)
+
+ * loop.c (strength_reduce): Adjust BENEFIT appropriately if an
+ autoincrement memory reference will eliminate add insns.
+
+Sun Mar 16 08:41:40 1997 Scott Christley <scottc@net-community.com>
+
+ * i386.md (untyped_call): Re-enable code.
+ * objc/sendmsg.c (__objc_block_return): New function.
+ (__objc_word_return, __objc_double_return): New functions.
+ (__objc_init_install_dtable): Call appropriate return function
+ based upon method type.
+ * objc/thr-pthreads.c: Correct include path.
+
+Sat Mar 15 07:58:33 1997 Scott Christley <scottc@net-community.com>
+
+ * objc-act.c (OBJC_VERSION): Increment version.
+ * objc/init.c (OBJC_VERSION): Likewise.
+
+Sat Mar 15 07:58:00 1997 Ovidiu Predescu <ovidiu@net-community.com>
+
+ * Implement +load.
+ * objc/init.c (objc_send_load, __objc_send_load): New functions.
+ (__objc_send_message_in_list): New function.
+ (__objc_force_linking): New function.
+ (__objc_exec_class): Don't call _objc_load_callback here.
+ * objc/linking.m: New file.
+ * objc/sendmsg.c (class_add_method_list): Check for the +load method
+ when adding a methods list to a class.
+ * objc/Makefile (OBJC_O): Add linking.m.
+
+ * Allow methods defined in categories to override methods that are
+ defined in the class implementation.
+ * objc/sendmsg.c (__objc_install_methods_in_dtable): New function.
+ (class_add_method_list): Don't check anymore for duplicate methods.
+
+ * config/nextstep.h (INCLUDE_DEFAULTS): Define to something useful
+ when cross-compiling.
+
+ * The static instances list moved from the objc_module struct to
+ objc_symtab struct, at the end of defs array. This now allows the NeXT
+ gdb to work with binaries generated for the GNU ObjC runtime.
+ * objc-act.c (build_objc_symtab_template): Make sure
+ defs in objc_symtab is a NULL terminated array.
+ (init_def_list): Attach statics to end of def list.
+ (init_objc_symtab): Take statics list into account.
+ (init_module_descriptor, build_module_descriptor): Don't add statics.
+ (generate_static_references): Indicate that statics are used.
+ (finish_objc): Process statics in the beginning.
+ * objc/objc-api.h (objc_module): Eliminate statics variable.
+ * objc/init.c (__objc_exec_class): Access statics from their
+ new place in the defs variable.
+
+Sat Mar 15 07:29:15 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload.c: Include expr.h.
+ (find_reloads_address, find_reloads_address_1): New argument INSN.
+ (find_reloads_address_1): Reload inside of p{re,ost}_{in,de}c
+ instead of entire p{re,ost}_{in,de}c where appropriate.
+ * Makefile.in (reload.o): Added expr.h to dependencies list.
+
+Sat Mar 15 07:17:12 1997 Richard Henderson <rth@tamu.edu>
+
+ * reload.h (eliminate_regs): Add STORING arg.
+ * reload1.c (eliminate_regs): Likewise.
+ (eliminate_regs, case SET): Pass that we are storing to recursive call.
+ (eliminate_regs, case SUBREG): If storing and same number of words,
+ use larger mode.
+ * caller-save.c, dbxout.c, dwarfout.c, dwarf2out.c, reload.c, sdbout.c:
+ Change all calls to eliminate_regs.
+
+Fri Mar 14 14:18:49 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * cplus-dem.c: Add prototypes for all static functions.
+ (mystrstr): Make static. Make arguments and result const.
+ (cplus_match): Remove; not used.
+
+Fri Mar 14 10:15:35 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.c (const_costs): Remove unused function.
+ * mn10300.h (CONST_COSTS): Rework to generate better code.
+
+ * mn10300.c (print_operand): Handle 'H' and 'L' output
+ modifers for high/low part of a 64bit value.
+ * mn10300.h (CONST_DOUBLE_OK_FOR_LETTER_P): Handle 'G'
+ (LEGITIMATE_CONSTANT_P): Allow any constant.
+ * mn10300.md (movdi, movdf): Implement.
+ (adddi3, subdi3): New expanders and patterns.
+
+ * mn10300.c (print_operand): Handle 'A' modifier for an
+ address which can't be simple register indirect.
+ * mn10300.h (EXTRA_CONSTRAINT): Handle 'R' for bit ops.
+ * mn10300.md: Add patterns to test, set and clear bitfields.
+
+ * mn10300.c (can_use_return_insn): New function.
+ (expand_epilogue): Emit a RETURN insn if possible.
+ * mn10300.md (return): New pattern.
+
+ * mn10300.h (CONST_OK_FOR_LETTER_P): Handle 'N'.
+ * mn10300.md (andsi3): Catch "and 255,dn" and "and 65535,dn"
+ which were not turned into zero_extend patterns.
+
+ * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Handle symbolic
+ constant as an index/base too.
+
+ * mn10300.md (movsi): Allow SP to be loaded/saved with
+ reg+d8 addresses.
+
+ * mn10300.md (cmpsi): Allow second operand to be a constant.
+ (subsi3): Likewise.
+
+ * mn10300.md (sign extension patterns): Fix thinko when
+ extending from memory.
+
+ * mn10300.md (tst peepholes): Add peepholes for test/branch
+ based on N bit being set/clear and the data value being tested dies.
+
+Tue Mar 11 17:07:51 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.c (expand_prologue): Rework so that eliminating
+ the frame pointer produces faster/smaller code.
+ (expand_epilogue): Likewise.
+ (initial_offset): New function for argument pointer and frame pointer
+ elimination.
+ * mn10300.h (FIRST_PSEUDO_REGISTER): Bump to 10.
+ (FIXED_REGISTERS): Add argument pointer register, it's a fake fixed
+ register.
+ (CALL_USED_REGISTERS, REG_ALLOC_ORDER): Corresponding changes.
+ (REGNO_REG_CLASS, REG_CLASS_CONTENTS): Likewise.
+ (REG_OK_FOR_BASE_P, REGISTER_NAMES): Likewise.
+ (reg_class, REG_CLASS_NAMES): Delete unwanted DATA_OR_SP_REGS class.
+ (PREFERRED_OUTPUT_RELOAD_CLASS): Define.
+ (FIRST_PARM_OFFSET): No longer include register save area in
+ computation.
+ (STACK_POINTER_REGNUM): Is now register 9.
+ (ARG_POINTER_REGNUM): Is now register 8.
+ (FRAME_POINTER_REQUIRED): Refine.
+ (ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET): Define.
+ (CAN_DEUG_WITHOUT_FP): Define.
+ * mn10300.md (return_internal): Break into two patterns.
+
+ * mn10300.h (CONST_OK_FOR_LETTER_P): Handle 'M' too.
+ (REGISTER_MOVE_COST): Fix errors and refine.
+
+ * mn10300.c (notice_update_cc): SET_ZN_C0 insns leave the
+ overflow bit in an unuseable state. Rename CC_SET to CC_TST.
+ * mn10300.md (cc attributes): "set" is gone, replaced by
+ "tst". Update attributes on various insns.
+
+ * mn10300.md: Improve sign and zero extension instructions.
+ (ashlsi3): Improve. Handle address registers too.
+ (add peephole): Combine two consecutive adjustments of a register
+ into a single adjustment.
+
+Tue Mar 11 17:18:40 1997 Brendan Kehoe <brendan@melange.gnu.ai.mit.edu>
+
+ * cplus-dem.c (gnu_special): Call demangled_fund_type for other
+ __t* symbols.
+
+Mon Mar 10 16:10:34 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * emit-rtl.c (subreg_lowpart_p): Return 0 if SUBREG_REG is VOIDmode.
+ * combine.c (simplify_rtx, case SUBREG): Fix direction of test when
+ calling operand_subword; use inline code intead of subreg_lowpart_p.
+
+Fri Mar 7 09:22:28 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.c (expand_{pro,epi}logue): Rework to avoid
+ unnecessary "add" operations.
+ (expand_epilogue): Likewise.
+ * mn10300.h (STARTING_FRAME_OFFSET): Is zero after the last
+ round of prologue/epilogue changes.
+ (FIRST_PARM_OFFSET): Is now 16 (-4 for REG_PARM_STACK_SPACE + 20 for
+ register save area).
+ (REG_PARM_STACK_SPACE): Define as 4 bytes.
+ (OUTGOING_REG_PARM_STACK_SPACE): Define so caller allocates it.
+ * mn10300.md (call{,_value} expander): Don't emit insns to adjust the
+ stack here anymore.
+
+ * mn10300.md (bCC patterns): Just use "bCC target".
+
+Tue Mar 4 13:21:41 1997 Jim Wilson <wilson@cygnus.com>
+
+ * rs6000.md (movsi): Don't emit a USE insn for LABEL_REFs.
+
+Thu Mar 6 16:29:13 1997 Jim Wilson <wilson@cygnus.com>
+
+ * dwarf2out.c (modified_type_die): Initialize item_type to NULL.
+ Move equate_type_number_to_die call before use of sub_die, and move
+ recursive modified_type_die calls on item_type after it.
+
+ * dwarfout.c (root_type_1, write_modifier_bytes_1): New functions.
+ (root_type): Call root_type_1.
+ (write_modifier_bytes): Call write_modifier_bytes_1.
+ (output_type, case POINTER_TYPE): Set TREE_ASM_WRITTEN before
+ recursive call.
+
+Wed Mar 5 14:30:49 1997 Torbjorn Granlund <tege@quiet.matematik.su.se>
+
+ Partially undo Jan 11 changes (nor takes only register ops):
+ * mips.md (*norsi3_const, *nordi3_const): Delete bogus patterns.
+ * mips.c (complemented_arith_operand): Delete function.
+ (print_operand): Don't handle `e' for CONST_INT.
+ * mips.h (PREDICATE_CODES): Delete complemented_arith_operand.
+
+Tue Mar 4 16:38:13 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * i386.c (i386_return_pops_args): Make sure FUNDECL is non-nil
+ before we try to use it.
+ * i386/isc.h (RETURN_POPS_ARGS): Likewise.
+ * i386/next.h (RETURN_POPS_ARGS): Likewise.
+ * i386/sco.h (RETURN_POPS_ARGS): Likewise.
+ * i386/sco5.h (RETURN_POPS_ARGS): Likewise.
+ * i386/scodbx.h (RETURN_POPS_ARGS): Likewise.
+
+Mon Mar 3 20:17:54 1997 Gavin Koch <gavin@cygnus.com>
+
+ * ginclude/va-mips.h: __mips_single_float should have
+ the same effect on vararg lists as __mips_soft_float.
+
+Mon Mar 3 18:12:01 1997 Michael Meissner <meissner@cygnus.com>
+
+ * rs6000.h (DBX_CONTIN_LENGTH): Undo 2/26 change.
+
+Mon Mar 3 13:08:20 1997 Jeffrey A Law (law@cygnus.com)
+
+ * combine.c (simplify_rtx): Do nothing with (truncate:mode) if
+ mode is a partial integer mode.
+
+Sun Mar 2 17:41:18 1997 Ulrich Drepper <drepper@cygnus.com>
+
+ * ginclude/varargs.h: Add definition of __va_copy.
+ * va-alpha.h, va-clipper.h, va-h8300.h, va-i860.h: Likewise.
+ * va-i960.h, va-m88k.h, va-mips.h, va-pa.h, va-ppc.h: Likewise.
+ * va-sh.h, va-sparc.h, va-spur.h: Likewise.
+
+Sun Mar 2 13:25:49 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * c-typeck.c (process_init_element): Warn and truncate if upper
+ bound of index is out of range.
+
+Fri Feb 28 16:08:47 1997 Michael Meissner <meissner@cygnus.com>
+
+ * rs6000/sol-c0.c (_start): Disable loading up r13 and r2 with the
+ SDA base registers for now.
+
+ * rs6000.md (movsi): Emit a USE insn when putting the
+ label of constants into the TOC, so that the constant is still
+ emitted when expensive optimizations are used.
+
+Thu Feb 27 17:54:42 1997 Karl Heuer <kwzh@gnu.ai.mit.edu>
+
+ * fixinc.ptx: Fix sed expression looking for <sys/types.h> in
+ pwd.h.
+
+Thu Feb 27 12:11:16 1997 Dennis Glatting <dennis.glatting@plaintalk.bellevue.wa.us>
+
+ * fixincludes: Remove more cases of __const__ from math.h on
+ NeXT.
+
+Wed Feb 26 14:52:27 1997 Michael Meissner <meissner@cygnus.com>
+
+ * reload.c (debug_reload): Remove extra argument to fprintf.
+
+ * rs6000.c (output_toc): Make fprintf calls type correct.
+
+ * rs6000.h (DBX_CONTIN_LENGTH): Define as 4000 to avoid AIX
+ assembler line limit.
+
+Mon Feb 24 17:56:17 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * fixincludes: Fix need of prototypes for C++ in rpc/xdr.h on SunOS4.
+
+Mon Feb 24 17:33:57 1997 Michael Meissner <meissner@cygnus.com>
+
+ * rs6000/xm-sysv4.h (HAVE_STRERROR): Define.
+
+Sun Feb 23 17:18:28 1997 Jim Wilson <wilson@cygnus.com>
+
+ * rs6000.md (floatsidf2_loadaddr): Correct syntax for cau instruction.
+ (load_multiple, store_multiple): Call change_address instead of
+ creating MEM from scratch.
+
+Thu Feb 20 16:39:15 1997 Jim Wilson <wilson@cygnus.com>
+
+ * unroll.c (unroll_loop): Add check for naive loop that ends with
+ conditional branch that does not branch back to loop start.
+
+ * reload1.c (reload): Move assign_stack_local call into main loop.
+
+Thu Feb 20 11:40:46 1997 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (zero extension patterns): Turn into define_expand and
+ define_insn pair.
+
+Wed Feb 19 17:05:38 1997 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (emit_move_sequence): Don't copy 0.0 (double precision)
+ directly to memory, go through a reg if reload hasn't started.
+ * pa.md (main movdf pattern): Don't allow 0.0 (double precision)
+ to be copied directly to memory.
+
+ * pa/pa-hpux10.h (MD_EXEC_PREFIX): Define appropriately for hpux10.
+ (MD_STARTFILE_PREFIX): Similarly.
+
+ * pa.h (ASM_OUTPUT_SECTION_NAME): Surround the section name
+ with '$' if not using GAS.
+
+Wed Feb 19 16:43:47 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sched.c (schedule_insns): If there was no first scheduling pass,
+ split instructions after reload.
+ (update_flow_info): Tolerate some idiosyncrasies after reload.
+
+Wed Feb 19 11:13:51 1997 Jeffrey A Law (law@cygnus.com)
+
+ * combine.c (find_split_point): Don't turn a SIGN_EXTEND into
+ a series of shifts if either mode is a partial integer mode.
+
+Mon Feb 17 08:06:02 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * rs6000.c ({,non_}short_cint_operand): Use (unsigned HOST_WIDE_INT).
+ (non_add_cint_operand, includes_rshift_p): Likewise.
+ * rs6000.h (CONST_OK_FOR_LETTER_P): Likewise.
+ (LEGITIMATE_ADDRESS_INTEGER_P, LEGITIMIZE_ADDRESS): Likewise.
+
+Sun Feb 16 07:55:19 1997 J"orn Rennecke (amylaar@cygnus.co.uk)
+
+ * libgcc2.c (__negdi2, __lshrdi3, __ashldi3, __ashrdi3, __ffsdi2):
+ Use ANSI style definition with full prototype.
+ (__muldi3, __udiv_w_sdiv, __udivmoddi4, __divdi3, __moddi3) : Likewise.
+ (__udivmoddi4, __udivdi3, __cmpdi2, __ucmpdi2) : Likewise.
+ (__fixunstfdi, __fixtfdi, __fixunsxfdi, __fixxfdi) : Likewise.
+ (__fixunsdfdi, __fixdfdi, __floatdixf, __floatditf) : Likewise.
+ (__floatdidf, __floatdisf, __fixunsxfsi, __fixunsdfsi) : Likewise.
+ (__gcc_bcmp, __eprintf, gopen, gclose, __bb_init_file) : Likewise.
+ (__bb_init_trace_func, __clear_cache, mprotect) : Likewise.
+ (__enable_execute_stack, cacheflush, exit) : Likewise.
+ (find_exception_table, __find_first_exception_table_match) : Likewise.
+
+Sun Feb 16 07:52:02 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
+
+ * 1750a.md (mulqihi3): Corrected.
+ (tst{hf,tqf}): Simplified.
+ (movqi): Removed redundant alternative.
+ (addqi-3,addqi-2,addqi-1): Set/Reset Bit patterns by C. Nettleton.
+ (many patterns): Introduced operand output modifiers d,t,b,B,w.
+ * 1750a.c (print_operand): New operand output modifiers d,t,b,B,w.
+ (simple_memory_operand): Removed.
+ (one_bit_set_p, which_bit): Added from C. Nettleton's m1750 config.
+
+Sun Feb 16 07:43:37 1997 Paul Eggert <eggert@twinsun.com>
+
+ * cccp.c (special_symbol): Don't treat "L" in "L'...'" as identifier.
+ (check_macro_name, collect_expansion, rescan): Likewise.
+ * cpplib.c (special_symbol, check_macro_name, collect_expansion):
+ Likewise.
+
+ * cexp.y (parse_c_expression): Don't check for null lexptr
+ or *lexptr == 0. If yyparse returns nonzero value, abort.
+
+ * cexp.y (yylex): Use is_space, not is_hor_space, to find keyword end.
+ (is_space): New decl.
+ (is_hor_space): Removed.
+ * cccp.c (is_space): Now external.
+ (is_hor_space): Now static.
+
+Sun Feb 16 04:55:11 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * toplev.c, tree.h (decl_printable_name): Change arguments.
+ * c-common.c (declare_function_name): Reflect above change.
+ * final.c (final_start_function): Likewise.
+ * function.c (init_function_start): Likewise.
+ * toplev.c (decl_name): Likewise.
+ (announce_function): Likewise.
+ (v_message_with_decl): Likewise.
+ * dwarf2out.c (dwarf2_name): New fn, uses decl_printable_name.
+ (add_pubname): Use it.
+ (add_name_and_src_coords_attributes): Use it, add
+ DW_AT_MIPS_linkage_name if appropriate.
+ (output_aranges): Use DW_AT_MIPS_linkage_name if present.
+
+Sat Feb 15 18:45:30 1997 J.T. Conklin <jtc@cygnus.com>
+
+ * m68k.md (cmpsi): Added insn with appropriate constraints for
+ TARGET_5200; changed condition of existing insn to !TARGET_5200.
+
+Sat Feb 15 18:26:50 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
+
+ * m68k/hp320.h (PRINT_OPERAND_FLOAT): Removed.
+ (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}_OPERAND): Defined.
+ (PRINT_OPERAND): Turned off: use default.
+ * m68k/news.h (PRINT_OPERAND): Turned off: use default.
+ (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}_OPERAND): Defined.
+ * m68k/tower-as.h (PRINT_OPERAND): Turned off: use default.
+ (ASM_OUTPUT_{FLOAT,DOUBLE}_OPERAND): Defined.
+ * m68k/crds.h (PRINT_OPERAND): Turned off: use default.
+ (ASM_OUTPUT_{FLOAT,DOUBLE}_OPERAND): Defined.
+ (SGS_NO_LI,STRUCTURE_SIZE_BOUNDARY,IMMEDIATE_PREFIX): Defined.
+ (NEED_PROBE): Defined instead of HAVE_probe and gen_probe.
+ (FUNCTION_{PRO,EPI}LOGUE): Do not access FPA registers.
+ * m68k.c (output_function_prologue): Add CRDS and MOTOROLA probe code.
+ (print_operand): Do not output '.' if CRDS.
+
+ * gcc.c (set_spec): Fix comment-in-comment typo.
+
+Sat Feb 15 17:54:23 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
+
+ * Makefile.in (COMPILERS): Moved before GCC_PASSES.
+ (GCC_PASSES): Use $(COMPILERS) instead of cc1$(exeext).
+
+Sat Feb 15 17:25:44 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * gcc.c (process_command): Allocate space for terminating null.
+
+Sat Feb 15 17:21:34 1997 Pat Rankin <rankin@eql.caltech.edu>
+
+ * vax/vax.h (FUNCTION_PROLOGUE): Adjust size by STARTING_FRAME_OFFSET.
+ * vax/vms.h (FUNCTION_PROLOGUE): Delete.
+
+Sat Feb 15 08:48:14 1997 Douglas B. Rupp (rupp@gnat.com)
+
+ * configure: Fix setting of CC in no-symlink case.
+
+Sat Feb 15 08:42:17 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
+
+ * expmed.c (expand_divmod): Prefer divmod in same mode over div
+ in wider mode.
+
+Sat Feb 15 08:27:50 1997 J"orn Rennecke (amylaar@cygnus.co.uk)
+
+ * fold-const.c (fold): Don't assume a nonexplicit constant cannot
+ equal an explicit one.
+
+ * i386.md (zero_extendqi[hs]i2+3): Ensure operating on REG.
+
+Sat Feb 15 08:11:04 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * configure (i[3456]86-*-solaris2*): Correct tm.h filename in
+ stabs case.
+
+ * a29k.h (STORE_FLAG_VALUE): Write so works on both 32 and 64-bit host.
+
+Fri Feb 14 16:03:37 1997 Robert Lipe <robertl@dgii.com>
+
+ * i386/t-sco5 (libgcc{1,2}-elf.a): correct target dependencies.
+
+Fri Feb 14 16:00:23 1997 H.J. Lu <hjl@gnu.ai.mit.edu>
+
+ * config/svr4.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Set
+ current-section variable to text.
+
+Wed Feb 12 16:07:34 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * fixinc.irix: New file.
+ * configure (mips-sgi-irix[56]): Set fixincludes to fixinc.irix.
+
+Wed Feb 12 15:40:20 1997 Jim Wilson <wilson@cygnus.com>
+
+ * Makefile.in (LIBGCC2_DEBUG_CFLAGS): New macro.
+ (LIBGCC2_CFLAGS): Use it.
+
+ * dwarfout.c (output_type): Do early exit only if TYPE_CONTEXT is NULL
+ or if TYPE_CONTEXT is another type (e.g. a nested type).
+
+Tue Feb 11 15:53:51 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (calc_live_regs): Exclude RETURN_ADDRESS_POINTER_REGNUM.
+
+ * sh.c (calc_live_regs): Need not save MACL/MACH when not live
+ or in leaf function.
+
+Mon Feb 10 14:46:32 1997 Jeffrey A Law (law@cygnus.com)
+
+ * stmt.c (group_case_nodes): Recognize more opportunities to
+ group case nodes.
+
+Sun Feb 9 14:05:48 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * function.c (assign_stack_temp): Clear MEM flags from reuse.
+
+Sat Feb 8 17:37:47 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * local-alloc.c (update_equiv_regs): Fix error in last change.
+
+Fri Feb 7 12:42:34 1997 Mike Stump <mrs@cygnus.com>
+
+ * pa.h (RETURN_ADDR_RTX): Fix to ignore export stubs.
+ * pa.c (return_addr_rtx): Define.
+
+Fri Feb 7 13:56:56 1997 Doug Evans <dje@cygnus.com>
+
+ * cse.c (invalidate_from_clobbers): Delete unnecessary test for
+ (clobber nil).
+
+ * toplev.c (main): Delete redundant settings of flag_no_inline
+ and warn_inline if not optimizating.
+
+Fri Feb 7 10:45:02 1997 Jeffrey A Law (law@cygnus.com)
+
+ * Makefile.in (stmp-multilib-sub): Add missing "else true"
+ clauses to work around make bug on some systems.
+
+Fri Feb 7 08:19:43 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * fold-const.c (const_binop): Don't call size_int if low < 0.
+
+ * function.c (instantiate_virtual_regs_1, case USE, CLOBBER):
+ Fix error in last change.
+
+Thu Feb 6 17:09:17 1997 Mike Stump <mrs@cygnus.com>
+
+ * except.c (find_exception_handler_labels): Initialize label array
+ with zeroes.
+
+Wed Feb 5 22:11:55 1997 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (post_ldwm): Fix typos.
+
+Wed Feb 5 15:57:42 1997 Doug Evans <dje@cygnus.com>
+
+ * m68k/vxm68k.h (WCHAR_TYPE,WCHAR_TYPE_SIZE,SIZE_TYPE): Fix.
+ (PTRDIFF_TYPE): Define.
+
+Wed Feb 5 11:19:13 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * reload1.c (alter_reg): Don't ask assign_stack_local to round up
+ to a multiple of BIGGEST_ALIGNMENT, unless a register appears in a
+ paradoxical subreg.
+
+Tue Feb 4 19:29:40 1997 Jim Wilson <wilson@cygnus.com>
+
+ * reload.c (find_reloads_address_1, case POST_INC): Don't use
+ ADDR_TYPE here.
+
+Tue Feb 4 12:33:45 1997 Jeffrey A Law (law@cygnus.com)
+
+ * flow.c (life_analysis): Delete obvious no-op moves
+ which use SUBREGs.
+
+Mon Feb 3 20:00:35 1997 Jim Wilson <wilson@cygnus.com>
+
+ * jump.c (find_cross_jump): Don't allow old-style and volatile asms
+ to match.
+
+Mon Feb 3 15:51:31 1997 Doug Evans <dje@cygnus.com>
+
+ * sparc/sol2.h (ASM_SHORT,ASM_LONG): Set to .uahalf/.uaword.
+ * sparc/sysv4.h (ASM_LONG): Define.
+ (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Use ASM_LONG.
+
+Mon Feb 3 13:01:46 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * reload.h (enum reload_type): Add RELOAD_FOR_INPADDR_ADDRESS and
+ RELOAD_FOR_OUTADDR_ADDRESS.
+ * reload.c (ADDR_TYPE): New macro.
+ (push_secondary_reload): Check for new reload types.
+ (combine_reloads): Likewise.
+ (find_reloads): Likewise. Convert INPADDR_ADDRESS and
+ OUTADDR_ADDRESS to OPADDR_ADDR. Check OPADDR_ADDR when looking
+ for merges.
+ (find_reloads_address): When reloading an address, use the
+ ADDR_TYPE macro to get the type of the new reload.
+ (find_reloads_address_1): Likewise.
+ (reload_when_needed_name): Add new reload types.
+ * reload1.c (reload): Add in_addr_addr and out_addr_addr fields to
+ insn_needs struct. Use them for new reload types, and when
+ computing in_max and out_max.
+ (reg_used_in_inpaddr_addr): New static array.
+ (reg_used_in_outaddr_addr): New static array.
+ (mark_reload_reg_in_use): Handle new reload types.
+ (clear_reload_reg_in_use, reload_reg_free_p): Likewise.
+ (reload_reg_free_before_p, reload_reg_reaches_end_p): Likewise.
+ (reloads_conflict, merge_assigned_reloads): Likewise.
+ (emit_reload_insns): Likewise.
+ (choose_reload_regs): Save arrays for new reload types.
+
+Sun Feb 2 19:43:17 1997 Scott Christley <scottc@net-community.com>
+
+ * objc/selector.c (__sel_register_typed_name): Eliminate compiler
+ warnings with explicit cast.
+
+ * Add condition mutex support to the objc runtime.
+ * objc/thr-mach.c (objc_condition_{,de}allocate): New functions.
+ (objc_condition_{wait,broadcast,signal}): New functions.
+ * objc/thr-pthreads.c (objc_condition_{,de}allocate): New functions.
+ (objc_condition_{wait,broadcast,signal}): New functions.
+ * objc/thr-solaris.c (objc_condition_{,de}allocate): New functions.
+ (objc_condition_{wait,broadcast,signal}): New functions.
+ * objc/thr.h: Prototypes for new functions.
+
+ * objc/init.c (__objc_runtime_mutex): Eliminate leading underscore
+ from name of objc mutex and thread structures.
+ * objc/runtime.h: Likewise.
+ * objc/thr-{decosf1,irix,mach,os2,posix,pthreads,single}.c: Likewise.
+ * objc/thr-{solaris,win32}.c: Likewise.
+ * objc/thr.{c,h}: Likewise.
+
+ * Major reorganization of objc error handling.
+ * objc/Object.m (-error:): Call objc_error function instead of
+ using function pointer.
+ * objc/archive.c: Replace call to abort or __objc_fatal functions
+ with call to objc_error function throughout the complete file.
+ * objc/class.c (objc_get_class): Replace call to abort function
+ with call to objc_error function.
+ * objc/encoding.c (objc_sizeof_type, objc_alignof_type): Replace
+ call to abort function with call to objc_error function.
+ (objc_skip_typespec): Likewise.
+ * objc/init.c (init_check_module_version): Replace call to
+ abort function with call to objc_error function.
+ * objc/misc.c (objc_verror): New function.
+ (objc_fatal): Remove function.
+ (objc_set_error_handler): New function.
+ (_objc_error_handler): New global variable.
+ (__alpha__): Remove unneeded code.
+ (objc_error): Allow user specified error handler function to
+ trap and handle the objc error. Added an error code parameter
+ which indicates the specific error that occured.
+ (objc_malloc, objc_atomic_malloc): Replace call to objc_fatal
+ function with call to objc_error function.
+ (objc_valloc, objc_realloc, objc_calloc): Likewise.
+ * objc/objc-api.h: Declare error handling functions and typedef
+ for user specified error handler function. Define error codes
+ used by the runtime library.
+ * objc/runtime.h: Remove error handling declarations.
+ * objc/sendmsg.c (__objc_forward): Replace call to abort function
+ with call to objc_error function.
+
+Sun Feb 2 19:42:52 1997 Thomas Baier <baier@ci.tuwien.ac.at>
+
+ * objc/hash.c (hash_delete): Step through the hash nodes
+ versus using hash_next to increase efficiency.
+ * objc/archive.c (__objc_finish_read_root_object): Use hash
+ table instead of list.
+
+Sun Feb 2 08:25:05 1997 Ovidiu Predescu <ovidiu@net-community.com>
+
+ * objc-act.c (encode_aggregate_within): New function.
+ (encode_aggregate): Generates encodings for unions similar
+ to those for structs except surrounded by parenthesis instead
+ of braces.
+
+Sun Feb 2 07:15:54 1997 Mat Hostetter (mat@lcs.mit.edu)
+
+ * c-decl.c (start_function): Fix improper installation of last change.
+
+Sun Feb 2 06:50:55 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * m68k.c (output_scc_di): Add missing CC_STATUS_INIT.
+
+Sun Feb 2 06:39:55 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * c-typeck.c (process_init_element): When popping levels, don't
+ blow up if constructor_max_index not set due to previous error.
+
+ * combine.c (find_split_point, case SET): Fix error in last change.
+
+Sun Feb 2 06:28:56 1997 Paul Eggert <eggert@twinsun.com>
+
+ * cccp.c (rescan): Insert a space after `.' as well,
+ to prevent accidental token-pasting (e.g. `.x' -> `.10').
+
+Sun Feb 2 06:08:14 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
+
+ * 1750a.c (modregno_adjust): Fixed case when reg_renumber invalid.
+
+Sat Feb 1 19:11:08 1997 J.T. Conklin <jtc@rhino.cygnus.com>
+
+ * m68k.md (movqi): Enable use of clr and st insns on TARGET_5200.
+ * m68k.c (output_move_simode_const): Likewise.
+
+Sat Feb 1 18:54:00 1997 Douglas B. Rupp (rupp@gnat.com)
+
+ * gcc.c (process_command): Fix improper use of strncpy.
+
+Fri Jan 31 15:35:08 1997 Mike Stump <mrs@cygnus.com>
+
+ * libgcc2.c: Remove extern for malloc and realloc.
+
+Fri Jan 31 17:08:11 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * local-alloc.c (update_equiv_regs): If a register which is
+ equivalent to some value is only used in one place, and we can't
+ substitute the value for the use, then move the register assignment
+ to just before the use.
+
+Fri Jan 31 15:57:25 1997 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.md (idiv,imul,fpmul): Added new functional units for pentiumpro.
+
+ * i386.c (pentiumpro_cost): Added new cost structure for pentiumpro.
+ (override_options): Set ix86_cost to appropriate cost structure.
+
+Thu Jan 30 09:34:26 1997 J.T. Conklin <jtc@rhino.cygnus.com>
+
+ * m68k.md (stack adjust peepholes): Use lea instead of
+ add.w when adding 16 bit constants on all but TARGET_68040.
+
+Thu Jan 30 08:58:08 1997 Ralf Baechle <ralf@waldorf-gmbh.de>
+
+ * function.c (TRAMPOLINE_ALIGNMENT): Provide default.
+ (expand_function_end): Use TRAMPOLINE_ALIGNMENT instead
+ of FUNCTION_BOUNDARY.
+ * varasm.c (TRAMPOLINE_ALIGNMENT): Provide default.
+ (assemble_trampoline_template): Use TRAMPOLINE_ALIGNMENT instead
+ of FUNCTION_BOUNDARY.
+
+Wed Jan 29 18:16:02 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (REG_CLASS_CONTENTS): Add rap to GENERAL_REGS and its
+ superclasses.
+
+ * sh.md (movsi_i, movsi_ie, movhi_i, movhi+1): Use type pcload for
+ immediate operands where appropriate.
+ (movsf_ie+1): Fail when loading anything but a MEM into
+ a floating point reguister.
+
+Wed Jan 29 16:00:31 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * varasm.c (force_const_mem): Set MARK instead of clearing it.
+ (output_constant_pool): Only mark constant pool if -O.
+ Check mark flag unconditionally.
+ (mark_constant_pool): Start by clearing all mark flags.
+
+ * tree.c (copy_node): Clear TREE_ASM_WRITTEN.
+
+ * flow.c (regno_uninitialized): Return 0 if reg is used for args.
+
+Wed Jan 29 15:23:59 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * combine.c (try_combine): Clear reg_n_refs if i2dest is not
+ mentioned in newi2pat.
+
+Tue Jan 28 16:00:23 1997 Stan Cox (coxs@dg-rtp.dg.com)
+
+ From Robert Lipe <robertl@dgii.com>
+ * i386/sco5.h (SCO_DEFAULT_ASM_COFF): Remove bytecode stuff.
+ (ASM_OUTPUT_ASCII): Use .ascii in both ELF and COFF modes.
+ (ASM_OUTPUT_SECTION_NAME): Handle alternate sections for COFF.
+ The OpenServer 5.0.0 assembler gives an error for section
+ names over 6 characters long, so we catch the "obvious" case
+ and shorten it.
+
+ * m88k.h (ASM_OUTPUT_SECTION_NAME): Undefine; fails
+ for exception sections. The 88k ABI specifies 'section'
+ instead of '.section'.
+
+Mon Jan 27 13:32:46 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (shl_and_kind): Fix typo.
+ * sh.md (and_shl_scratch): Fix typo for length 8.
+
+Mon Jan 27 08:56:03 1997 Jeffrey A Law (law@cygnus.com)
+
+ * fixincludes: Fix incorrect forward structure declaration in
+ sys/time.h on hpux10.20.
+
+Mon Jan 27 09:05:35 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * combine.c (simplify_rtx): Don't do anything with if_then_else_cond
+ result if both one arm and the input are a comparison.
+ (simplify_{rtx,if_then_else,logical,shift_const}): Don't
+ test STORE_FLAG_VALUE with #if; properly test for just sign bit.
+ (num_sign_bit_copies, if_then_else_cond): Likewise.
+ * expmed.c (emit_store_flag): Properly test for STORE_FLAG_VALUE
+ of just sign bit.
+ * fold-const.c (fold): Don't make COND_EXPR when both expr and
+ one part are comparisons.
+ * a29k.h (STORE_FLAG_VALUE): Make negative.
+
+Fri Jan 24 16:42:26 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * varasm.c (struct pool_constant): Add mark field.
+ (force_const_mem): Clear mark field in new constant pool entry.
+ (output_constant_pool): Call mark_constant_pool.
+ (mark_constant_pool, mark_constants): New static functions.
+
+Thu Jan 23 15:04:17 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * cse.c (COST): Get the right cost for a SUBREG of a register when
+ truncation is free.
+
+Thu Jan 23 11:19:40 1997 Mike Stump <mrs@cygnus.com>
+
+ * Makefile.in (objc-headers): Don't try and install the headers if
+ the objc directory has been removed.
+
+Wed Jan 22 13:26:25 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * i960.c (process_pragma): Call ungetc on the last character
+ that was read by the while loop, to make sure the parser sees it.
+
+Tue Jan 21 17:20:30 1997 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.c (output_toc): Move STRIP_NAME_ENCODING to common
+ code, so the test for vt's works with -mminimal-toc.
+
+Tue Jan 21 16:03:35 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * function.c (mark_all_temps_used): Set KEEP as well.
+
+Tue Jan 21 12:16:15 1997 Doug Evans <dje@seba.cygnus.com>
+
+ * stor-layout.c (layout_record): Correct test for whether
+ field spans its unit of alignment in case where
+ field_size == type_align.
+
+Mon Jan 20 20:27:54 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * mips.md (probe): Comment out.
+
+Sun Jan 19 20:54:45 1997 John F. Carr <jfc@mit.edu>
+
+ * integrate.c (expand_inline_function): Handle a PARALLEL containing
+ a RETURN the same as a RETURN.
+
+Sun Jan 19 20:35:28 1997 Pat Rankin <rankin@eql.caltech.edu>
+
+ * vmsconfig.com: Change all hardcoded references of "vax" to
+ use variable expansion instead.
+ (arch_indx, arch): New variables.
+
+ * vax.c (not_qsort): Don't declare alloca.
+ * vax/xm-vms.h: Declare alloca here.
+ Do most of the VAX C-specific set up for DEC C.
+ #if DEC C, undefine QSORT_WORKAROUND and qsort.
+ * make-gcc.com, make-cccp.com, make-cc1.com: Support building
+ with GNU C vs VAX C vs DEC C from the DCL command line.
+
+Sun Jan 19 17:20:50 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
+
+ * 1750a.md (movh[if]-1): Corrected.
+ (movtqf-1): Deleted.
+ * 1750a.c (add_1_to_mem): Deleted.
+ (output_operand_address): Added output modifier 'A'.
+
+Sun Jan 19 17:17:54 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
+
+ * m68k.md (ashrdi_const, ashrdi3): Allow 31 as shift count.
+
+ * m68k.h (CONST_OK_FOR_LETTER_P): Recognize 'N', 'O' and 'P'.
+ * m68k.md (rotl[shq]i3, strict_low_part rotl): Allow 'N', 'O'
+ or 'P' operands.
+
+Sun Jan 19 17:09:17 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * m68k.md (addsi3): Fix previous change: {add,sub}qw should
+ be {add,sub}ql. For other uses of {add,sub}q don't check for address
+ register and always use {add,sub}ql.
+
+Sun Jan 19 15:05:42 1997 Peter Seebach <seebs@solon.com>
+
+ * c-decl.c (start_decl): Add code for -Wmain.
+ (c_decode_option): Add -fhosted, -ffreestanding, and -Wmain.
+ * toplev.c (lang_options): Likewise.
+ * c-tree.h (warn_main, flag_hosted): New variables.
+
+Sun Jan 19 14:35:41 1997 Alex Garthwaite (alex@samwise.cis.upenn.edu)
+
+ * fixinc.svr4: Fix problems with symlinks to ".".
+
+Sun Jan 19 14:21:46 1997 Craig Burley <burley@gnu.ai.mit.edu>
+
+ * loop.c (check_final_value): Handle insns with no luid's.
+
+Sun Jan 19 08:57:26 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * alpha.md (arg_home): Add CLOBBER of MEM and USE of arg regs.
+ * vms.h (SETUP_INCOMING_VARARGS): Delete duplicate definition.
+
+ * toplev.c (set_float_handler): Set up signal catcher on first call
+ in case a front end has disabled it.
+
+ * cccp.c, cexp.y: #define __attribute__ to be null if
+ compiling with GCC older than 2.7, not 2.6.
+
+ * toplev.c (main): If PREFERRED_DEBUGGING_TYPE used and set
+ to NO_DEBUG, say debugging not supported.
+ * mips/sni-svr4.h (PREFERRED_DEBUGGING_TYPE): Undefine.
+
+ * i386/xm-cygwin32.h (DIR_SEPARATOR): Define.
+
+ * explow.c (convert_memory_address, case SYMBOL_REF):
+ Copy CONSTANT_POOL_ADDRESS_P.
+ * integrate.c (save_constants): Make (address (const ..)) to record
+ both modes.
+ (copy_for_inline, copy_rtx_and_substitute, restore_constants): Use
+ both modes when restoring constant pool entry for ADDRESS.
+
+ * alpha.h (MINIMUM_ATOMIC_ALIGNMENT): New macro.
+
+ * function.c (instantiate_virtual_regs_1, case USE, case CLOBBER):
+ Properly handle case of shared MEM whose replacement is not valid.
+
+Sat Jan 18 14:08:31 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * tree.c (get_unwidened): Don't crash if FIELD_DECL not layed out.
+
+ * varasm.c (const_hash): Treat NON_LVALUE_EXPR like CONVERT_EXPR.
+ (compare_constant_1, copy_constant, bc_assemble_integer): Likewise.
+ (const_hash, compare_constant_1): Use switch, not if-then-else.
+
+Fri Jan 17 17:10:20 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * mips.h (STACK_POINTER_OFFSET): Don't define.
+
+Thu Jan 16 14:51:03 1997 Bob Manson <manson@charmed.cygnus.com>
+
+ * cplus-dem.c: Fix indenting; note that this file also lives in
+ libiberty.
+ (do_type, case 'M'): Check for a template as well as a class.
+
+Thu Jan 16 15:08:26 1997 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * gcc.c (cross_compile): Change to be a char * like all of the
+ other specs.
+ (process_command): Change how cross_compile is tested.
+ (main): Likewise.
+ (struct spec_list): Merge with the format used by EXTRA_SPECS.
+ Add name length field to speed up repeated calls to strcmp. Add
+ flag to say spec was allocated. Add pointer to char * so that
+ static spec fields can be updated.
+ (extra_specs): Use struct spec_list as type.
+ (static_specs): Static list of predefined specs.
+ (init_specs): New function, initialize the specs list. Link in
+ the default specs and any specs defined via EXTRA_SPECS.
+ (set_spec): No longer special case predefined specs.
+ (process_command,validate_all_switches): Ditto.
+ (process_command): Call init_specs for -dumpspecs.
+ (do_spec_1): Use name length field to avoid calling strncmp when
+ it is going to fail.
+ (main): Call init_spec. Don't handle EXTRA_SPECS here.
+
+Thu Jan 16 17:07:54 1997 Eddie C. Dost <ecd@skynet.be>
+
+ * configure: Add sparc-linux{,aout} support.
+ * ginclude/va-sparc.h: Likewise.
+ * sparc/linux.h: New file.
+ * sparc/linux-aout.h: New file.
+ * sparc/xm-linux.h: New file.
+
+Thu Jan 16 16:19:13 1997 Jim Wilson <wilson@cygnus.com>
+
+ * configure (sparc-*-aout*): Add libgloss.h to tm_file.
+ (sparclite-*-coff*): Change "= to =".
+
+Thu Jan 16 12:53:15 CST 1997 Joel Sherrill <joel@OARcorp.com>
+
+ * rs6000/rtems.h: Change from being sysv4 based to being eabi based.
+
+Thu Jan 16 13:40:51 1997 Jim Wilson <wilson@cygnus.com>
+
+ * mips.h (LINKER_ENDIAN_SPEC): Define.
+ (LINK_SPEC): Add linker_endian_spec.
+ (EXTRA_SPECS): Add linker_endian_spec.
+
+Thu Jan 16 08:02:13 1997 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.md (bCC, inverted bCC): Use bCC .+X instead of bCC 0f.
+
+Wed Jan 15 14:06:28 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * reload.h (reload_address_base_reg_class): Declare.
+ (reload_address_index_reg_class): Declare.
+ * reload1.c (reload_address_base_reg_class): Define.
+ (reload_address_index_reg_class): Define.
+ (init_reload): Initialize reload_address_{base,index}_reg_class.
+ * reload.c (find_reloads_address): Use
+ reload_address_base_reg_class rather than BASE_REG_CLASS. Use
+ reload_address_index_reg_class rather than INDEX_REG_CLASS.
+ (find_reloads_address_1): Likewise.
+
+Tue Jan 14 15:26:33 1997 Ian Lance Taylor <ian@cygnus.com>
+
+ * reload.c (REGNO_MODE_OK_FOR_BASE_P): Define if not defined.
+ (REG_MODE_OK_FOR_BASE_P): Define if not defined.
+ (find_reloads_address): Use REG[NO]_MODE_OK_FOR_BASE_P rather than
+ REG[NO]_OK_FOR_BASE_P.
+ (find_reloads_address_1): Likewise.
+ Add mode parameter; change all callers.
+
+ * reload1.c (eliminate_regs_in_insn): Handle more cases when
+ eliminating the frame pointer to the hard frame pointer.
+
+ * varasm.c (force_const_mem): Copy a CONST_INT rtx like a CONST rtx.
+
+ * varasm.c (assemble_end_function): Call
+ output_after_function_constants.
+ (after_function_constants): New static variable.
+ (output_after_function_constants): New static function.
+ (output_constant_def): Check CONSTANT_AFTER_FUNCTION_P.
+
+Mon Jan 13 16:44:40 1997 David Edelsohn <edelsohn@mhpcc.edu>
+
+ * rs6000/aix41.h (CPP_PREDEFINES): Add -D_AIX41.
+
+Sun Jan 12 20:54:01 1997 Jim Wilson <wilson@cygnus.com>
+
+ * libgloss.h (LINK_SPEC): Delete.
+ (STARTFILE_SPEC): Delete spurious newline.
+
+Sat Jan 11 00:13:03 1997 Torbjorn Granlund <tege@quiet.matematik.su.se>
+
+ * mips.md (norsi3, nordi3): Use canonical RTL. Prepend `*' to pattern
+ name. Don't match immediates.
+ (norsi3_const, nordi3_const): New patterns.
+ (anddi3, iordi3, xordi3): Test TARGET_64BIT, not mips_isa
+ in length attribute calculation.
+ * mips.c (complemented_arith_operand): New function.
+ (print_operand): Handle `e' for CONST_INT.
+ * mips.h (PREDICATE_CODES): Add complemented_arith_operand.
+
+Fri Jan 10 14:11:53 1997 David Edelsohn <edelsohn@mhpcc.edu>
+
+ * rs6000/aix41.h (SUBTARGET_SWITCHES): Add threads and pe.
+ (CPP_SPEC): Add mpe and mthreads cases.
+ (LIB_SPEC): Add mpe and mthreads cases to variant from rs6000.h.
+ (STARTFILE_SPEC): Add mpe and mthreads support.
+
+Fri Jan 10 07:12:26 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * i386/cygwin32.h (LINK_SPEC): New definition.
+
+ * Makefile.in (FLAGS_TO_PASS): Add STAGE_PREFIX, set by configure.
+ * configure: Initialize exeext.
+ Update STAGE_PREFIX in Makefile.
+
+ * dwarfout.c (dwarfout_line): Push to LINE_SECTION after calling
+ lookup_filename.
+
+Thu Jan 9 12:06:04 1997 Jim Wilson <wilson@cygnus.com>
+
+ * i386.md (addsidi3_2): Add & to operand 0 of alternative 5.
+
+Thu Jan 9 12:06:04 1997 Stan Cox <coxs@dg-rtp.dg.com>
+
+ From Linus Torvalds and Mat Hostetter:
+ * i386.c (i386_sext16_if_const): Added to sign extend an HImode constant.
+ (i386_aligned_reg_p): Added to tell if an rtx is aligned.
+ (i386_cc_probably_useless_p): Don't trust cc bits.
+ * i386.h (TARGET_ZERO_EXTEND_WITH_AND): Don't do this for p6.
+ * i386.md (cmpsf_ccfpeq+2): Use SImode test instruction.
+ (movhi+1): Use movz instead of mov on p6.
+ (addsi3): Add 128 by subtracting -128.
+ (zero_extendhisi2): Use SImode move if aligned.
+ (addhi3): Likewise.
+ (subhi3): Likewise.
+ (andhi3): Likewise.
+ (iorhi3): Likewise.
+ (xorhi3): Likewise.
+
+Tue Jan 7 16:58:27 1997 Jason Merrill <jason@yorick.cygnus.com>
+
+ * c-parse.in (extension): New rule for __extension__.
+ (extdef, unary_expr, decl, component_decl): Use it.
+
+Mon Jan 6 15:44:37 1997 Oliver Kellogg (oliver.kellogg@space.otn.dasa.de)
+
+ * 1750a.c: Now includes regs.h.
+ ({movcnt,mod}_regno_adjust): Corrected typos.
+ * 1750a.md (movhi): Corrected case of moving constant to memory.
+
+Mon Jan 6 08:00:57 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * mips.h: Delete redundant definitions of compiler and library fns.
+
+ * dwarfout.c (type_attribute): Ignore any subtype for now.
+
+ * fold-const.c (operand_equal_p): Rework to consider two
+ expressions that have embedded identical SAVE_EXPRs as
+ equivalent; also handle some more cases.
+
+Sun Jan 5 23:54:34 1997 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (pic_load_label): Fix test for using just an
+ ldo rather than an addil;ldo sequence to load the label's
+ address.
+
+Sun Jan 5 07:26:47 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * expr.c (expand_expr, case COMPONENT_REF): Fix error in last
+ change: don't suppress conversion if just EXPAND_SUM.
+
+Sat Jan 4 18:44:01 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * tree.h (struct tree_decl): saved_insns.i is HOST_WIDE_INT.
+
+ * fold-const.c (const_binop): Rework to only make constants in
+ one place; always use size_int if small enough and of sizetype.
+ (size_int): Call force_fit_type.
+ (fold): Avoid ever changing type of input tree.
+
+ * expr.c (get_inner_reference): Fix type error.
+ (expand_expr, case COMPONENT_REF): Don't convert if modifier
+ is EXPAND_CONST_ADDRESS, EXPAND_SUM, or EXPAND_INITIALIZER.
+ * tree.c (staticp, case COMPONENT_REF, BIT_FIELD_REF): Not
+ static if bitfield.
+
+ * expr.c (expand_expr, case COMPONENT_REF): If taking value
+ from a CONSTRUCTOR, must mask/sign-extend if bitfield.
+ (expand_builtin, case BUILT_IN_LONGJMP): Pass type, not IDENTIFIER,
+ to second arg of RETURN_POPS_ARGS.
+
+ * expr.c (expand_expr, case COND_EXPR): Add additional cases
+ to "singleton" cases.
+ * tree.c (integer_pow2): Mask value to width of type.
+ (tree_log2): New function.
+
+ * expmed.c (store_fixed_bit_field): If not SLOW_UNALIGNED_ACCESS,
+ treat everything as maximally aligned.
+
+ * combine.c (find_split_point, case SET): If SET_SRC is NE and
+ STORE_FLAG_VALUE is -1, see if we can convert into NEG of shift.
+ (force_to_mode, case NE): Make condition stricter.
+
+ * calls.c (emit_library_call_value): Remove redundant check for
+ outmode != VOIDmode.
+
+Sat Jan 4 08:12:16 1997 J.T. Conklin <jtc@rhino.cygnus.com>
+
+ * Optimizations from John Vickers (john@rhizik.demon.co.uk):
+ * m68k.c (output_function_{pro,epi}logue): Use addq/subq when
+ adjusting stack pointer by small displacements.
+ * m68k.md (addsi3, addhi3): Use two addqw (or subqw) insns when
+ adding (or subtracting) small integer constants (8 < N <= 16) to
+ both address and data registers.
+
+Sat Jan 4 07:06:07 1997 Kamil Iskra <iskra@student.uci.agh.edu.pl>
+
+ * loop.c (basic_induction_var): Return 0 if SUBREG is not a
+ promoted variable.
+
+Sat Jan 4 06:22:36 1997 Doug Rupp (rupp@gnat.com)
+
+ * alpha.c (vmskrunch): Try to not chop trailing uppercase letters.
+ * alpha/vms.h (ENDFILE_SPEC): Use "gnu", not "gnu_cc".
+
+ * cccp.c (PRINTF_PROTO): Use __printf__ in __attribute__, not printf.
+ * cexp.y (PRINTF_PROTO): Likewise.
+
+Fri Jan 3 09:01:00 1997 Craig Burley <burley@gnu.ai.mit.edu>
+
+ * alpha.md (cmov): Fix operand numbers in case involving DF target,
+ DF comparison, and SF source.
+
+Fri Jan 3 08:19:46 1997 Paul Eggert <eggert@twinsun.com>
+
+ * cpplib.c (macroexpand): Delete any no-reexpansion marker following
+ identifier at beginning of an argu concatenated with what precedes it.
+
+Fri Jan 3 07:59:21 1997 Ken Rose (rose@netcom.com)
+
+ * reorg.c (fill_slots_from_thread): Skip moved insn in all three cases.
+
+Fri Jan 3 07:51:44 1997 Bob Manson <manson@cygnus.com>
+
+ * function.c ({push,pop}_function_context_to): Save and restore
+ current_function_args_info.
+ * function.h (struct function): New field args_info.
+
+Fri Jan 3 06:55:09 1997 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * jump.c (rtx_equal_for_thread_p): Return 0 for floating-point.
+
+ * reload.c (find_reloads): If replaced a PLUS or MULT with a
+ simple operand, start over again.
+
+ * va-alpha.h: Check for __VMS__, not VMS.
+
+Thu Jan 2 08:52:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * configure: Finish restoring change of default of objc threads to
+ "single" for Linux.
+
+Mon Dec 30 17:03:46 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (fmpy_operands): Remove. No longer needed.
+ (combinable_add, combinable_copy, combinable_fmpy): Likewise.
+ (combinable_fadd, combineable_fsub): Likewise.
+ (pa_reorg): Call pa_combine_instructions.
+ (pa_combine_instructions): Combine instructions to make things
+ like fmpyadd and fmpysub.
+ (pa_can_combine_p): Helper function for pa_combine_instructions.
+ * pa.md (pa_combine_type): New attribute. Set it appropriately
+ for various insns.
+ (define_delays): Use a separate define_delay for unconditional
+ branches.
+ (fmpyadd, fmpysub peepholes): Remove, no longer needed.
+ (fmpyadd, fmpysub insns): Add variant with fadd/fsub first,
+ then the fmpy.
+
+Mon Dec 30 14:43:51 1996 Jim Wilson <wilson@cygnus.com>
+
+ * reg-stack.c (subst_stack_regs_pat): Set src_note explicitly, instead
+ of using invalid aggregate initialization.
+
+ * print-tree.c (print_node): Don't try to print nonexistent
+ TYPE_ATTRIBUTES field of a decl node.
+
+1996-12-30 Richard Stallman <rms@ethanol.gnu.ai.mit.edu>
+
+ * config.sub: Handle hiuxmpp as system type.
+
+Thu Dec 26 13:33:27 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.md (init_v4_pic): Explicitly set the length.
+
+Mon Dec 23 19:39:38 1996 Jim Wilson <wilson@cygnus.com>
+
+ * mips.h (FUNCTION_ARG_REGNO_P): Correct for TARGET_SOFT_FLOAT and
+ TARGET_FLOAT64 cases.
+
+ * integrate.c (function_cannot_inline_p): Reject function with
+ PARALLEL result.
+ (expand_inline_function): Abort if function result not handled.
+
+Sat Dec 21 04:02:46 1996 Jason Merrill <jason@gerbil.cygnus.com>
+
+ * mips.c (save_restore_insns): Mark large frame setup insns
+ as frame-related.
+ (mips_expand_prologue): Likewise.
+
+ * dwarf2out.c (dwarf2out_frame_debug): Support MIPS large frames.
+ (add_bound_info): Use default lower bounds.
+ Handle simple variable bounds with a DIE ref.
+ Don't generate a NULL loc descr.
+ (add_subscript_info): Always add lower bound.
+ (gen_formal_parameter_die): Always equate_decl_number_to_die.
+ (gen_variable_die): Likewise. Don't use the old die for automatic
+ variables.
+
+Wed Dec 18 10:23:46 1996 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.c (notice_update_cc): Enable this code.
+ * mn10300.h (CC_OVERFLOW_UNUSABLE): Define.
+ * mn10300.md (tstsi): Use "set_zn_c0" instead of "set" for cc status.
+ (addsi3 pattern): Break "inc" into two different alternatives
+ since "inc dn" sets cc0, but "inc an" does not.
+ (multiply and divide patterns): Fix cc status.
+ (bCC, inverted bCC): Restore any comparison which needs the
+ overflow bits when CC_OVERFLOW_UNUSABLE is set.
+ (zero and sign extensions): Fix cc status.
+ (movm_store): Likewise.
+
+Tue Dec 17 15:02:44 1996 Jim Wilson <wilson@cygnus.com>
+
+ * sched.c (update_flow_info): When add REG_DEAD notes for dest of
+ last insn, add check for global_regs.
+
+Tue Dec 17 11:07:26 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/win-nt.h (HAS_INIT_SECTION): Delete, so that __main is
+ called from main.
+
+Mon Dec 16 15:28:44 1996 Jim Wilson <wilson@cygnus.com>
+
+ * combine.c (nonzero_bits): Ifdef out calls to num_sign_bit_copies.
+ Add dummy define/undef for num_sign_bit_copies.
+
+ * dwarfout.c (location_or_const_value_attribute, case CONCAT): Add.
+
+ * combine.c (simplify_comparison): Use mode_width as shift count
+ only if it is less than or equal to HOST_BITS_PER_WIDE_INT.
+
+Mon Dec 16 10:10:11 1996 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.c (expand_epilogue): Restore registers in the
+ "ret" instruction instead of a separate movm instruction.
+ Support possible stack deallocation in "ret" instruction too.
+ * mn10300.md (return_internal): Use "ret" instead of "rets";
+ restore registers and deallocate stack as needed.
+ (load_movm): Delete unused pattern.
+
+ * mn10300.h (SMALL_REGISTER_CLASSES): Define.
+
+Fri Dec 13 14:46:54 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (dect): Rewrite pattern so that it can be combined.
+
+Fri Dec 13 13:14:51 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * varasm.c (output_constant_pool): If ASM_OUTPUT_POOL_EPILOGUE is
+ defined, call it.
+
+Thu Dec 12 20:04:55 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * rtl.h (RTX_FRAME_RELATED_P): New macro.
+ (struct rtx_def): Add frame_related bitfield.
+ * final.c (final_scan_insn): Call dwarf2out_frame_debug.
+ Don't call dwarf2out_begin_function.
+ (final): Initialize dwarf2out_frame_debug.
+ * dwarf2out.c (dwarf2out_begin_function): Remove.
+ (dwarf2out_init): Use INCOMING_RETURN_ADDR_RTX.
+ (DWARF_CIE_DATA_ALIGNMENT): Generalize.
+ (DWARF_FRAME_REGNUM): Don't add 1.
+ (decode_cfi_rtl): Lose.
+ (dwarf2out_def_cfa): Now takes reg and offset directly.
+ (reg_save): Likewise.
+ (dwarf2out_reg_save): Now takes offset.
+ (initial_return_save): Grok INCOMING_RETURN_ADDR_RTX.
+ Replaces dwarf2out_return_save.
+ (dwarf2out_cfi_label): New fn.
+ (add_fde_cfi): Use it.
+ (dwarf2out_frame_debug): New fn.
+ * mips.h (DWARF_FRAME_REGNUM): Tweak r31.
+ (INCOMING_RETURN_ADDR_RTX): Define.
+ * mips.c (mips_expand_prologue): Set RTX_FRAME_RELATED_P as needed.
+ (save_restore_insns): Likewise.
+ * i386.c (ix86_expand_prologue): Likewise.
+ * i386.h (INCOMING_RETURN_ADDR_RTX): Define.
+ (DWARF_FRAME_RETURN_COLUMN): Define.
+
+ * dwarf2out.c (add_AT_long_long): Renamed from add_AT_double for
+ clarity.
+ (print_die): Adjust.
+ (add_AT_float): New fn.
+ (add_const_value_attribute): Support fp values.
+ (size_of_die): Use blocks for long_long and fp values.
+ (value_format): Likewise.
+ (output_die): Likewise.
+ (output_loc_operands): Don't support DW_OP_const8?.
+
+Thu Dec 12 19:49:09 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * varasm.c (CONSTANT_POOL_BEFORE_FUNCTION): Define if not
+ defined.
+ (assemble_start_function): Check CONSTANT_POOL_BEFORE_FUNCTION
+ to decide whether to call output_constant_pool.
+ (assemble_end_function): Likewise.
+
+ * calls.c: Check SMALL_REGISTER_CLASSES at run time as well as at
+ compile time.
+ * combine.c, cse.c, function.c, jump.c, local-alloc.c: Likewise.
+ * loop.c, reload.c, reload1.c: Likewise.
+ * dsp16xx.h (SMALL_REGISTER_CLASSES): Define with value.
+ * h8300.h (SMALL_REGISTER_CLASSES): Likewise.
+ * i386.h (SMALL_REGISTER_CLASSES): Likewise.
+ * pdp11.h (SMALL_REGISTER_CLASSES): Likewise.
+ * sh.h (SMALL_REGISTER_CLASSES): Likewise.
+
+Thu Dec 12 15:25:39 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.md (sysv call insns): If flag_pic add @plt suffix.
+
+ * rs6000.md (fix_truncdfsi2_store): Fix offsets > 32k.
+
+ * rs6000/t-ppccomm: New file for common parts of embedded and
+ System V target Makefile support.
+
+ * rs6000/t-ppcos: New file for System V OS target Makefile
+ support.
+
+ * rs6000/t-solaris: Delete, merge into rs6000/t-ppcos.
+
+ * rs6000/t-{ppc,ppcgas}: Only keep the multilib specific parts,
+ moving the rest to rs6000/t-ppccomm.
+
+ * configure (powerpc*-*-*): For embedded and System V
+ configurations, add rs6000/t-ppccomm. For Linux and Solaris, use
+ t-ppcos.
+
+ * ginclude/ppc-asm.h (cr*, f*): Add new macros for register names.
+
+ * rs6000/sol-c0.c (_start): Fix uninitialized data bug.
+
+ * rs6000.md (init_v4_pic): Add @local to call.
+ (icbi,dcbst,sync,isync): Delete PowerPC cache control insns.
+
+ * rs6000/sysv4.h (ASM_SPEC): On explicit -mcall-solaris, pass
+ -msolaris to the assembler.
+
+ * rs6000.c (rs6000_sync_trampoline): Delete.
+ (rs6000_trampoline_template): Aix & System V don't need template now.
+ (rs6000_initialize_trampoline): For System V, call the function
+ __trampoline_setup to set up the trampoline.
+
+ * rs6000.h (TRAMPOLINE_TEMPLATE): Delete here.
+ * rs6000/win-nt.h (TRAMPOLINE_TEMPLATE): Add it here.
+
+ * rs6000/tramp.asm: New file, setup trampolines properly on System
+ V systems, properly flushing the caches.
+
+Thu Dec 12 10:53:10 1996 Jeffrey A Law (law@cygnus.com)
+
+ * reorg.c (fill_slots_from_thread): Don't call eligible_for_delay
+ with an insn with asm operands.
+
+ * expmed.c (emit_store_flag_force): Fix typos/thinkos.
+
+Thu Dec 12 08:09:20 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * i386.c (i386_return_pops_args): Libcalls ignore TARGET_RTD.
+
+Thu Dec 12 07:56:03 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * tree.h (maybe_get_identifier): New declaration.
+
+ * calls.c (emit_library_call): Don't pass VOIDmode to type_for_mode.
+
+ * va-alpha.h: Add definitions for VMS; they differ from Unix.
+
+ * Makefile.in (stamp-objlist): Handle first character of object
+ file being a digit.
+
+ * 1750a.h (function_arg, {movcnt,mod}_regno_adjust): Add decls.
+ (branch_or_jump): Likewise.
+ (FUNCTION_ARG): Remove cast of function_arg result to rtx.
+ * 1750a.md: Remove unneeded casts to char *.
+
+Thu Dec 12 05:55:27 1996 Richard Earnshaw (rearnsha@armltd.co.uk)
+
+ * arm.c (arm_gen_constant, case [IX]OR): Don't invert constant if
+ loading into temporary.
+
+Wed Dec 11 18:57:21 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * toplev.c (rest_of_compilation): Make sure unwinder RTL is saved.
+
+ * collect2.c (write_c_file): Wrap the ctor/dtor lists and fns
+ with `extern "C" { ... }'.
+
+Wed Dec 11 17:46:48 1996 John F. Carr <jfc@mit.edu>
+
+ * tree.h (tree_decl): Reorder field declarations to reduce size
+ on 64 bit machines.
+
+ * combine.c (try_combine): When splitting an insn, check for the
+ new I2 setting a SUBREG.
+
+Wed Dec 11 17:00:47 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * alpha.c (print_operand): Use HOST_WIDE_INT_PRINT_DEC instead of
+ using "%ld".
+ (output_prolog): Don't print useless comment for VMS.
+
+ * alpha.c (output_prolog): SIZE is now HOST_WIDE_INT.
+ * alpha.md (mov[hq]i unnamed): Split up for TARGET_BYTE_OPS and not.
+
+ * function.c (fixup_var_refs_1, case ZERO_EXTRACT): Don't call
+ fixup_memory_subreg if no longer SUBREG of MEM.
+
+Wed Dec 11 14:10:48 1996 Jeffrey A Law (law@cygnus.com)
+
+ * mn10300.c: New file for Matsushita MN10300 port.
+ * mn10300.h, mn10300.md, t-mn10300, xm-mn10300.h: Likewise.
+ * config.sub: Recognize mn10300 as a basic machine type.
+ * configure: Similarly.
+ * ginclude/stdarg.h: mn10300 is little endian.
+ * ginclude/varargs.h: Likewise.
+
+Wed Dec 11 09:09:10 1996 Nagai Takayuki <nagai@ics.es.osaka-u.ac.jp>
+
+ * libgcc2.c (cacheflush): Add SONY NEWS-OS 4.2 version.
+
+Wed Dec 11 09:01:39 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * calls.c (emit_library_call, emit_library_call_value):
+ Don't pass an identifier node as function type for
+ library functions, but rather build a function type that
+ has a return type with the correct mode.
+ * i386.c (i386_return_pops_args): Don't test for IDENTIFIER_NODE.
+ * i386/isc.h (obsolete RETURN_POPS_ARGS): Test first argument
+ for IDENTIFIER_NODE.
+ * i386/next.h (RETURN_POPS_ARGS): Likewise.
+ * i386/sco.h (RETURN_POPS_ARGS): Likewise.
+ * i386/sco5.h (RETURN_POPS_ARGS): Likewise.
+ * i386/scodbx.h (RETURN_POPS_ARGS): Likewise.
+ * m68k.h (RETURN_POPS_ARGS): Likewise.
+ * ns32k.h (RETURN_POPS_ARGS): Likewise.
+ * pyr.h (RETURN_POPS_ARGS): Likewise.
+ * gmicro.h (RETURN_POPS_ARGS): Likewise; fix typo.
+
+Tue Dec 10 17:36:47 1996 J.T. Conklin <jtc@rhino.cygnus.com>
+
+ * Add optimizations from John Vickers (john@rhizik.demon.co.uk)
+ * m68k.h (TARGET_CPU32): New macro.
+ * m68k.md (add[hs]i3): Only use two addq.w or subq.w instructions
+ when adding or subtracting constants 8 < N < 16 on TARGET_CPU32.
+ Use lea instead of add.w when adding 16 bit constants to address
+ registers on all but TARGET_68040.
+ * m68k.c (output_function_{pro,epi}logue): Use lea instead of add.w
+ when adjusting stack pointer on all but TARGET_68040.
+
+Tue Dec 10 15:55:23 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * optabs.c (emit_unop_insn): Treat ZERO_EXTEND like SIGN_EXTEND.
+
+Tue Dec 10 13:47:24 1996 Joern Rennecke <amylaar@cygnus.co.uk>
+
+ * combine.c (combinable_i3pat): Bring back to sync with can_combine_p.
+
+ * sh.h (ADJUST_INSN_LENGTH): Don't break from loop when LOOP_BEG found.
+ Calculate padding in new variable pad.
+
+Mon Dec 9 18:00:38 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (output_uleb128): Output the value in a human-readable
+ comment.
+ (output_sleb128): Likewise.
+ (various): Adjust.
+ (output_call_frame_info): Only output info if it's interesting.
+ (add_src_coords_attributes): New fn.
+ (add_name_and_src_coords_attributes): Split out from here.
+ (gen_enumeration_type_die): Add src coordinates.
+ (gen_struct_or_union_type_die): Likewise.
+ (dwarf2out_finish): Call output_call_frame_info for all targets.
+
+Thu Dec 5 11:25:30 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (add_pure_or_virtual_attribute): Only add
+ AT_containing_type if -g2 or higher.
+
+ * dwarf2out.c (gen_struct_or_union_type_die): Make sure that
+ the type for AT_containing_type has been generated.
+ (gen_decl_die): Likewise.
+
+ * dwarf2out.c (type_tag): Check DECL_IGNORED_P.
+ (add_pure_or_virtual_attribute): Check DECL_VINDEX instead.
+ (scope_die_for): Likewise.
+ * dwarfout.c (type_tag): Likewise.
+
+Wed Dec 4 22:51:38 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (decode_cfi_rtl): Support getting a CONST_INT.
+ (dwarf2out_begin_function): Adjust.
+ (reg_save): Divide offset by the alignment.
+ (output_cfi): Support having more than one advance_loc.
+ (output_call_frame_info): Re-initialize current_label.
+ (dwarf2out_begin_prologue): Initialize current_label to NULL.
+ (lookup_cfa, lookup_cfa_1): New fns.
+ (dwarf2out_def_cfa): Call lookup_cfa.
+ (dwarf2out_finish): Don't generate CIE CFIs.
+ (dwarf2out_init): Generate them here.
+ (DWARF_FRAME_RETURN_COLUMN): Use PC_REGNUM.
+
+ (add_pure_or_virtual_attribute): Note virtual context.
+ (gen_formal_parameter_die): Return the die.
+ (gen_formal_types_die): Set AT_artificial on `this'.
+ (gen_subprogram_die): Add AT_accessibility.
+ (gen_variable_die): Likewise.
+ (gen_field_die): Likewise. Don't generate location attribute for
+ union members.
+ (gen_struct_or_union_type_die): Note where our vtable lives.
+ (gen_decl_die): Handle anonymous union fields.
+ (dwarf2out_decl): Always output `bool'.
+
+Mon Dec 2 03:55:15 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * final.c (final_end_function): Don't call dwarf2out_end_function.
+
+ * dwarf2out.c (output_line_info): Emit special opcodes for each line
+ entry, even if the line number doesn't change.
+ (pend_type, output_pending_types_for_scope): New fns.
+ (gen_struct_or_union_type_die): Use them to defer generating member
+ dies if we're in the middle of some other context.
+ (gen_type_die): Still put nested types in the right place.
+ (dwarf2out_decl): Call output_pending_types_for_scope.
+
+ * dwarf2out.c (dw_fde_struct): Replace end_prologue, begin_epilogue
+ with current_label.
+ (DWARF_CIE_INSN_SIZE, DWARF_CIE_SIZE): Remove.
+ (DWARF_CIE_HEADER_SIZE): The size without the initial insns.
+ (size_of_cfi): Revert.
+ (decode_cfi_rtl, add_fde_cfi, dwarf2out_def_cfa, reg_save,
+ dwarf2out_reg_save, dwarf2out_return_save): New fns.
+ (dwarf2out_begin_function): Use them to generate CFIs.
+ (dwarf2out_finish): Use them to generate E CFIs.
+ Don't set next_fde_offset.
+ (calc_fde_sizes): Initialize cie_size.
+ (output_call_frame_info): Don't generate CIE CFIs.
+ (dwarf2out_end_function): Remove.
+
+ * tree.c (maybe_get_identifier): New fn.
+ * varasm.c (assemble_name): Use it instead of get_identifier.
+
+Fri Nov 29 15:13:39 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * jump.c (jump_optimize): Don't move initialization if there is a
+ label between it and the jump for if (foo) bar++ to bar += (foo !=0)
+
+Wed Nov 27 16:21:14 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * Remove change of Oct 4.
+ * i386.h (outer_function_chain): Remove.
+ (current_function_calls_alloca): Remove.
+ (rtx_equal_function_value_matters): Remove.
+ (N_REGS_USED, N_ALLOCATABLE_REGISTERS): Remove.
+ * i386.md (adddi3_1, subdi3_1): Remove.
+ (adddi3, subdi3): Revert.
+ (movsf, movsf_mem, movsf_normal, movdf, movdf_mem, movdf_mem+1):
+ Likewise.
+ (movxf, movxf_mem, movxf_mem+1, addsidi3_1, addsidi3_2): Likewise.
+ (adddi3_1, subsidi3, subdi3_1): Likewise.
+ (addsidi3_1, addsidi3_2, subsidi3): Likewise.
+ (addsidi3_1, addsidi3_2, adddi3, subsidi3): Disable the problem
+ reload alternatives.
+
+Wed Nov 27 16:21:14 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * i386.md (ashldi3_non_const_int, ashrdi3_non_const_int):
+ Use a hidden branch to handle shifts > 32 bit.
+ (lshrdi3_non_const_int): Likewise.
+ (floatdixf2): Don't use unnecessary XFmode operation.
+
+Wed Nov 27 15:23:41 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * varasm.c (assemble_variable): Don't emit DWARF.
+
+ * toplev.c (rest_of_type_compilation): Don't emit DWARF.
+ (main): Just let -gdwarf mean DWARF v1; remove -gdwarf-1.
+
+ * dwarfout.c (decl_class_context): New fn.
+ (output_global_subroutine_die): Fix declaration case.
+ (output_global_variable_die): Likewise.
+ (output_type): Note when we are in a class defn. If we're a nested
+ type and our context hasn't been written, do that. Do early exit
+ for nested types.
+ (output_decl): Output the class context for fns and vars.
+ Don't emit detailed parm info for a fn declaration.
+ Use TYPE_DECL_IS_STUB, is_redundant_typedef.
+ (type_ok_for_scope): Support emitting nested types later.
+ (is_redundant_typedef): New fn.
+ (TYPE_DECL_IS_STUB): New macro.
+ (output_compile_unit_die): Check use_gnu_debug_info_extensions.
+ (output_local_subroutine_die, output_global_subroutine_die,
+ dwarfout_begin_function, dwarfout_end_function, dwarfout_line,
+ generate_macinfo_entry, dwarfout_init, dwarfout_finish): Likewise.
+
+ * dwarf2out.c (decl_class_context): Static.
+ (lookup_type_die): Use TYPE_SYMTAB_POINTER.
+ (equate_type_number_to_die): Likewise.
+ (gen_subprogram_die): If we're in class context, it's a decl.
+ (gen_variable_die): Likewise.
+ (gen_decl_die): Output the containing type.
+ (dwarf2out_init): Lose type_die_table code.
+
+Wed Nov 27 08:30:54 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * Makefile.in (DRIVER_DEFINES): New macro, with the macro
+ definitions for the driver.
+ (gcc.o): Make rule use $(DRIVER_DEFINES).
+ * gcc.c (process_command) [LANG_SPECIFIC_DRIVER]: Call
+ lang_specific_driver, passing along the addr of FATAL for errors
+ along with our ARGC and ARGV.
+
+Wed Nov 27 08:21:13 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
+
+ * m68k.md (iorsi_zexthi_ashl16): New pattern.
+ (ashrsi_16): New name for old unnamed pattern.
+
+ * objc/misc.c (stdlib.h): Define __USE_FIXED_PROTOTYPES__ before
+ including stdlib.h.
+
+Wed Nov 27 08:17:34 1996 Joern Rennecke <amylaar@cygnus.co.uk>
+
+ * i386.md (decrement_and_branch_until_zero+[3-8]): Add missing
+ CC_STATUS_INIT.
+ (decrement_and_branch_until_zero+[5-8]): Delete redundant assignment.
+
+Wed Nov 27 07:56:27 1996 J.T. Conklin <jtc@rhino.cygnus.com>
+
+ * m68k.md ({and,ior,xor}si3_internal): Removed !TARGET_5200 from
+ conditionals now that entire insn is disabled when !TARGET_5200.
+
+Wed Nov 27 07:52:32 1996 Oliver Kellogg <kellogg@space.otn.dasa.de>
+
+ * 1750a.md (movhi pattern): Fixed MEM to MEM move problem.
+
+Tue Nov 26 14:50:54 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * expr.c (move_by_pieces): Abort only if length positive at end.
+ * function.c (frame_offset, get_frame_size): Make HOST_WIDE_INT.
+ * function.h (struct function): Make frame_offset be HOST_WIDE_INT.
+ (get_frame_size): Add definition.
+ * reload1.c (reload): Make starting_frame_size be HOST_WIDE_INT.
+
+Mon Nov 25 16:55:14 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (dwarf2out_finish): Don't emit call frame info
+ for non-MIPS targets.
+ (is_redundant_typedef): New fn.
+ (modified_type_die): Refer to typedef DIEs where appropriate.
+ (gen_typedef_die): Support DECL_ORIGINAL_TYPE.
+ (gen_type_die): Likewise. Use is_redundant_typedef.
+ (gen_subprogram_die): Don't force a spec DIE for local class methods.
+
+Mon Nov 25 15:09:12 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * gcc.c (handle_braces): Rework last change.
+
+Mon Nov 25 13:49:51 1996 Jim Wilson <wilson@cygnus.com>
+
+ * configure (build_exeext, exeext): New variables. Use sed to insert
+ build_exeext value into Makefile exeext rule.
+ (*-*-cygwin32): Set exeext.
+ * i386/x-cygwin32 (exeext): Delete.
+ * rs6000/x-cygwin32 (exeext): Delete.
+
+ * dwarf.h (enum dwarf_location_atom): Add OP_MULT.
+ * dwarfout.c (output_mem_loc_descriptor, case MULT): Add.
+ * dwarfout2.c (mem_loc_descriptor, case MULT): Add.
+
+ * dwarfout.c (dwarf_fund_type_name, case FT_unsigned_int64): Fix typo.
+
+Sun Nov 24 21:42:01 1996 J.T. Conklin <jtc@rhino.cygnus.com>
+
+ * m68k.md (andsi3): Changed into define_expand.
+ (andsi3_internal): Rename from old andsi3, changed condition
+ to !TARGET_5200.
+ (andsi2_5200): New insn.
+ (iorsi3): Change into define_expand.
+ (iorsi2_internal): Rename from old iorsi3, changed condition
+ to !TARGET_5200.
+ (iorsi2_5200): New insn.
+ (xorsi3): Change into define_expand.
+ (xorsi2_internal): Rename from old xorsi3, changed condition
+ to !TARGET_5200.
+ (xorsi2_5200): New insn.
+
+Sun Nov 24 21:31:32 1996 John F. Carr <jfc@mit.edu>
+
+ * i386.h (N_ALLOCATABLE_REGISTERS): Remove extra backslash at
+ end of macro definition.
+
+ * cpplib.c (LOCAL_INCLUDE_DIR): Remove default definition.
+ (include_defaults_array): Do not use LOCAL_INCLUDE_DIR or
+ TOOL_INCLUDE_DIR if they are not defined.
+ * cccp.c: Likewise.
+
+ * Makefile.in (cppmain.o): New rule.
+
+Sun Nov 24 19:14:50 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * fold-const.c (merge_ranges): In (+,-) case, if lower bounds are
+ the same the result is always false.
+
+Sun Nov 24 18:48:31 1996 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
+
+ * c-typeck.c (build_indirect_ref): Don't give warning for
+ dereferencing void * if evaluation is being skipped.
+
+ * c-decl.c (poplevel): Don't call output_inline_function if
+ DECL_SAVED_INSNS is not set.
+
+ * gcc.c (give_switch): Add new arg, INCLUDE_BLANKS.
+ (handle_braces): All callers changed.
+ Add support for new construct: %{S*^}.
+
+Sun Nov 24 18:44:48 1996 Paul Eggert <eggert@twinsun.com>
+
+ * c-parse.in (unary_expr, expr_no_commas): Increment skip_evaluation
+ when analyzing an expression that is known not to be evaluated.
+ (sizeof, alignof): New rules.
+ * c-tree.h (skip_evaluation): New variable.
+ * c-common.c (skip_evaluation): Likewise.
+ (overflow_warning, unsigned_conversion_warning): Don't warn about
+ potential runtime errors when skipping evaluation.
+ * c-typeck.c (build_binary_op): Likewise.
+ (build_conditional_expr): op1 now always nonnull.
+
+Sun Nov 24 17:06:58 1996 Bernd Schmidt (crux@Pool.Informatik.RWTH-Aachen.DE)
+
+ * toplev.c (rest_of_compilation): Call regscan before each
+ jump threading pass.
+
+Sun Nov 24 16:37:18 1996 Dave Love <d.love@dl.ac.uk>
+
+ * configure (objc_thread_file): Set conditionally in each case so
+ may be overidden with `--enable-objcthreads=posix'.
+ Change Linux default to `single'.
+
+Fri Nov 22 17:53:15 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * varasm.c (assemble_variable): Output DWARF in the third case, too.
+
+ * dwarf2out.c (decls_for_scope): Only add DIEs with no parents to
+ our scope.
+ (gen_subroutine_type_die): Parm types go under the fn type DIE.
+
+ * Makefile.in ($(T)crt{begin,end}.o): Move CRTSTUFF_T_CFLAGS after
+ general flags.
+
+ * mips/t-iris6 (CRTSTUFF_T_CFLAGS): Define.
+ * mips.c (compute_frame_size): Fix fp_save_offset.
+
+ * dwarf2out.c (new_die): If we get a NULL parent, inc limbo_die_count.
+ (decls_for_scope): Decrement limbo_die_count as appropriate.
+ (dwarf2out_finish): Check for good limbo_die_count.
+ (size_of_cfi): If regno too big for DW_CFA_offset, use offset_extended
+ instead.
+ (output_call_frame_info): Add disabled code for specifying ABI.
+ (dwarf2out_begin_function): Note all saved regs.
+
+ * dwarf2out.c (gen_subprogram_die): Have a DIE for each fn at
+ toplevel.
+ (scope_die_for): Only use the NULL for fns and tags.
+
+Tue Nov 21 15:53:51 1996 Joern Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (output_stack_adjust): New argument TEMP. Changed all callers.
+ If the adjust cannot be done with one, but can be done with two
+ CONST_OK_FOR_I constants, do it that way.
+
+Thu Nov 21 14:25:55 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * fixincludes: Include <stdio.h> in <assert.h> even if not C++ if
+ stderr needs to be defined.
+
+Wed Nov 20 15:38:13 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * toplev.c (rest_of_type_compilation): Do output function-scope tags
+ for DWARF 2.
+ * c-decl.c (pushtag): Set TYPE_CONTEXT on the tag.
+ * toplev.c, varasm.c: s/dwarf2out_file_scope_decl/dwarf2out_decl/g.
+ * dwarf2out.c (add_prototyped_attribute): Use a value of 1.
+ (gen_subprogram_die): Support AT_static_link.
+ (dwarf2out_decl): Rename from dwarf2out_file_scope_decl.
+ Give nested fns and tags a die_parent of NULL.
+ (decls_for_scope): Fix the die_parent for nested fns and tags.
+ (scope_die_for): If we get a context of NULL, just return it.
+
+Tue Nov 19 18:21:11 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (gen_subprogram_die): Support block extern decls.
+ (gen_variable_die): Likewise.
+ (gen_decl_die): Emit block extern function decls.
+
+ * c-decl.c (implicitly_declare): Set DECL_ARTIFICIAL.
+
+Tue Nov 19 16:50:32 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * configure (powerpc*-{sysv,elf,eabi{,aix,sim}}): Set
+ extra_headers to ppc-asm.h.
+ (powerpc*-{linux,solaris,rtems,vxworks}): Ditto.
+ (powerpc*-{winnt,pe,cygwin32}): Ditto.
+
+ * rs6000/t-{ppc,ppcgas,solaris,winnt} (EXTRA_HEADERS): Don't set
+ it here.
+
+Mon Nov 18 14:51:46 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (DWARF_CIE_INSN_SIZE): New macro.
+ (DWARF_CIE_HEADER_SIZE): Use it.
+ (DWARF_FRAME_RETURN_COLUMN, DWARF_FRAME_REGNUM): New macros.
+ (output_call_frame_info, dwarf2out_begin_function): Use them.
+ For the MIPS, output the first CFA insn in the CIE.
+ * dwarf2.h (enum dwarf_call_reg_usage): Lose.
+ (dwarf_macinfo_record_type): Fix spelling.
+ * mips/mips.h (DWARF_FRAME_REGNUM, DWARF_FRAME_RETURN_COLUMN): Define.
+
+ * dwarf2out.c (base_type_die): Just generate the DIEs as needed,
+ rather than building up some table.
+ (init_base_type_table): Lose.
+ (add_subscript_info): Use add_type_attribute. Don't give an upper
+ bound for an array of unknown size.
+ (gen_unspecified_parameters_die): Remove DWARF-1 kludge.
+ (dwarf2out_init): Lose call to init_base_type_table.
+ (is_c_family, is_fortran): New fns.
+ (gen_compile_unit_die): Recognize GNU F77.
+ (gen_array_type_die): Use AT_declaration for an array of unknown size.
+ (modified_type_die): Take TYPE_MAIN_VARIANT before passing it
+ to build_type_variant, so we ignore named variants.
+ (dwarf2out_file_scope_decl): Don't generate DIEs for built-in structs,
+ either; they will be emitted if they are used.
+ From wilson:
+ (gen_array_type_die): Force the element type out first on IRIX 6.
+
+Sun Nov 17 20:23:11 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * expr.c (get_inner_reference): Fix error in previous change.
+
+Sat Nov 16 06:08:27 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * emit-rtl.c (operand_subword): Avoid confusion if sizeof (float)
+ is less than a full word.
+
+ * alpha.h (MASK_BYTE_OPS): Now define as 1024.
+ * alpha/vms.h (TARGET_DEFAULT): Use symbolic values.
+
+ * expr.c (get_inner_reference): Add new arg PALIGNMENT and compute it.
+ (expand_assignment, do_jump): Pass new arg to get_inner_reference.
+ (expand_expr, case COMPONENT_REF): Likewise.
+ * fold-const.c (optimize_bit_field_compare, decode_field_reference):
+ Likewise.
+ * tree.h (get_inner_reference): Add new arg.
+
+ * Add support for Alpha/VMS, mostly from
+ Klaus Kaempf (kkaempf@progis.de)
+ * configure (alpha-dec-vms*): New target.
+ * alpha.c (override_options): Handle VAX format floating-point.
+ (print_operand, case ',', '-'): New cases.
+ (alpha_builtin_saveregs): Handle VMS convention.
+ (alpha_sa_{mask,size}, alpha_pv_save_size, alpha_using_fp):
+ New versions for VMS.
+ (output_{pro,epi}logue, function_arg): Likewise.
+ (direct_return): Never true on VMS.
+ (check_float_value): Return 0 for VMS.
+ (vmskrunch, alpha_{need,write}_linkage): New function.
+ * alpha.h ({MASK,TARGET}_{OPEN_VMS,FLOAT_VAX}): New macros.
+ (TARGET_SWITCHES): Add float-vax and float-ieee.
+ ({FUNCTION,LIBCALL}_VALUE, FUNCTION_VALUE_REGNO_P): R1 and R33
+ are also return registers.
+ (ASM_OUTPUT_DOUBLE): Support both floating-point formats.
+ (PRINT_OPERAND_FUNCT_VALID_P): Add ',' and '-'.
+ * alpha.md ({div,mod}[sd]i3): Only for VMS.
+ (fp operations): Add modifiers for multiple floating-point formats.
+ (call patterns): Handle new calling sequence for VMS.
+ (tablejump): Make new pattern for VMS.
+ (nonlocal_goto_receiver, arg_home): New patterns.
+ * alpha/t-vms, alpha/vms.h, alpha/xm-vms.h: New files.
+
+Fri Nov 15 17:38:20 1996 Doug Evans <dje@seba.cygnus.com>
+
+ * sdbout.c (current_file): New global.
+ (PUT_SDB_SRC_FILE): New PUT_SDB_FOO macro.
+ (sdbout_init): Initialize current_file ifdef MIPS_DEBUGGING_INFO.
+ (sdbout_{start_new,resume_previous}_source_file): New functions.
+ * toplev.c (debug_{start,end}_source_file): Call them if SDB_DEBUG.
+ * mips.h (PUT_SDB_SRC_FILE): Define.
+
+Fri Nov 15 16:11:25 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarfout.c (dwarfout_line): Don't emit line number info for
+ functions outside of .text.
+
+Fri Nov 15 15:52:42 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386/386bsd.h (COMMENT_BEGIN): Delete.
+ * i386/freebsd.h (COMMENT_BEGIN): Likewise.
+ * i386/netbsd.h (COMMENT_BEGIN): Likewise.
+ * i386/unix.h (COMMENT_BEGIN): Likewise.
+
+Fri Nov 15 13:22:42 1996 Jim Wilson <wilson@cygnus.com>
+
+ * fold-const.c (unextend): Rewrite type conversions to avoid overflow.
+
+Fri Nov 15 12:11:28 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * combine.c (try_combine): Properly copy an rtvec.
+ * emit-rtl.c (gen_rtvec_vv): New function.
+ (copy_rtx_if_shared): Call it.
+ * integrate.c (copy_for_inline): Likewise.
+ * reload1.c (eliminate_regs): Likewise.
+ * rtl.h (gen_rtvec_vv): Declare.
+ * genattrtab.c (simplify_cond): Make TESTS an array of rtunions.
+ * genextract.c (main): Use loop, not bcopy, to set recog_operands
+ from an rtvec.
+ * rtl.c (rtvec_alloc): Clear rtwint instead of rtvec.
+
+ * machmode.h (HOST_PTR_PRINTF): Handle char * wider than long.
+ (HOST_WIDE_INT_PRINT_{DEC,UNSIGNED,HEX,DOUBLE_HEX}): New macros.
+ * final.c (asm_fprintf): Use "ll" prefix for a long long HOST_WIDE_INT.
+ (output_{asm_insn,addr_const}): Use HOST_WIDE_INT_PRINT_*.
+ * print-tree.c (print_node{,_brief}, case INTEGER_CST): Likewise.
+ * print-rtl.c (print_rtx, case 'w'): Use HOST_WIDE_INT_PRINT_DEC.
+
+ * unroll.c (iteration_info): Fix code so that it knows iteration_var
+ is a HOST_WIDE_INT, not a long.
+
+ * fold-const.c (operand_equal_p): Do real comparison with
+ REAL_VALUES_EQUAL.
+ (make_range): Properly decide when to get TREE_TYPE of arg0.
+ Handle EXP being an INTEGER_CST at end.
+ (fold_range_test): Handle return of 0 from make_range.
+ (fold, case TRUTH_AND_EXPR): Handle first arg of 0.
+ (fold, case TRUTH_OR_EXPR): Handle first arg of 1.
+
+ * c-common.c (decl_attributes, case A_ALIAS): Add missing parens.
+
+Fri Nov 15 06:37:54 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * fold-const.c (range_binop): Set SNG1 to zero if ARG1 is a
+ not a lower or upper bound.
+
+Thu Nov 14 23:08:25 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * flags.h (debug_info_type): Add DWARF2_DEBUG.
+ * toplev.c (main): Support DWARF2_DEBUG. Add -gdwarf-1, -gdwarf-2
+ options. Check debug level after choosing type.
+ (debug_{start,end}_source_file, debug_{define,undef}): New functions.
+ (compile_file): Support dwarf2 separately from dwarf1.
+ (rest_of_type_compilation, rest_of_compilation): Likewise.
+ * final.c (final_start_function): Likewise.
+ (final_end_function, final_scan_insn, output_source_line): Likewise.
+ * varasm.c (assemble_variable): Likewise.
+ * dwarfout.c: Don't check DWARF_VERSION.
+ * dwarf2out.c: s/dwarfout/dwarf2out/g. Check DWARF2_DEBUGGING_INFO.
+ * c-lex.c (check_newline): Use debug_* instead of calling *out
+ functions directly.
+ * svr4.h (DWARF2_DEBUGGING_INFO): Define.
+ * mips/iris6.h (PREFERRED_DEBUGGING_TYPE): DWARF2_DEBUG.
+ (DWARF2_DEBUGGING_INFO): Define instead of DWARF_DEBUGGING_INFO.
+ (LINK_SPEC): Pass -w through.
+ * mips.h (PREFERRED_DEBUGGING_TYPE): Don't check `len'.
+
+Thu Nov 14 17:25:47 1996 Jeffrey A Law (law@cygnus.com)
+
+ * h8300.c (dosize): Don't clobber static chain reg if needed by
+ current function.
+
+Wed Nov 13 17:05:19 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * Makefile.in (stage?-start): Keep a copy of EXTRA_MULTILIB_PARTS
+ in the build directory.
+
+Tue Nov 12 23:17:17 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (print_operand, case 'Y'): Fix comparisons to handle
+ NaNs properly in all cases.
+
+Tue Nov 12 18:47:24 1996 Jim Wilson <wilson@cygnus.com>
+
+ * expr.c (emit_group_store): For REG case, call gen_lowpart if
+ modes are different.
+
+Tue Nov 12 18:24:40 1996 Doug Rupp (rupp@gnat.com)
+
+ * gcc.c (exit): If VMS, define as __posix_exit.
+ (option_map): Add define-macro and undefine-macro.
+
+Tue Nov 12 17:55:10 1996 Torbjorn Granlund <tege@tege.pdc.kth.se>
+
+ * alpha.c (input_operand): If TARGET_BYTE_OPS accept HImode and QImode.
+ * alpha.h (MASK_BYTE_OPS): New define.
+ (TARGET_BYTE_OPS): New define.
+ (TARGET_SWITCHES): Handle -mbyte.
+ (LOAD_EXTEND_OP): When MODE is not SImode, return ZERO_EXTEND.
+ * alpha.md (zero_extendqidi2): Handle TARGET_BYTE_OPS.
+ (zero_extendhidi2): Likewise.
+ (zero_extendqisi2): Likewise.
+ (zero_extendhisi2): Likewise.
+ (extendqisi2): Use extendqidi2x if TARGET_BYTE_OPS.
+ (extendqidi2): Likewise.
+ (extendqidi2x): New pattern.
+ (extendhisi2): Use extendhidi2x if TARGET_BYTE_OPS.
+ (extendhidi2): Likewise.
+ (extendhidi2x): New pattern.
+ (movhi): Handle TARGET_BYTE_OPS.
+ (movhi matcher): Output ldwu and stw.
+ (movqi): Handle TARGET_BYTE_OPS.
+ (movqi matcher): Output ldbu and stb.
+
+Tue Nov 12 16:53:37 1996 Rob Savoye <rob@chinadoll.cygnus.com>
+
+ * configure (hppa1.1-pro*, i960-*-coff*,m68k-*-aout*): Add libgloss.h.
+ (m68k-*-coff*, mips*-*-elf*, sparc*-*-aout*, sparc*-*-coff*): Likewise.
+ * config/libgloss.h: New file.
+
+Tue Nov 12 16:21:45 1996 Joern Rennecke <amylaar@cygnus.com>
+
+ * jump.c (jump_optimize): Fix bug in Sep 23 change.
+
+Tue Nov 12 16:15:31 1996 Andrew Cagney (cagney@tpgi.com.au)
+
+ * global.c (prune_references): Add missing symmetic CONFLICTP call.
+
+Tue Nov 12 14:34:40 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
+
+ * m68k.c (output_function_{pro,epi}logue): Save and restore
+ fp-registers only if TARGET_68881.
+
+ * m68k/mot3300.h (ASM_OUTPUT_INTERNAL_LABEL): Prefix labels with "L%".
+ (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_CASE_LABEL): Likewise.
+ (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
+
+ * m68k/mot3300.h (TARGET_DEFAULT): Use MASK_68040_ALSO, not MASK_68040.
+ * m68k/next.h, m68k/ccur-GAS.h (TARGET_DEFAULT): Likewise.
+
+ * fixproto (std_files): Add sys/socket.h.
+
+ * m68k.md (movqi): Emit 'st' for INTVAL & 255 == 255, not INTVAL == -1.
+ (seq,sne,sgt,sgtu,slt,sltu,sge,sgeu,sle,sleu): Allow "m" as operand 0.
+
+Tue Nov 12 14:17:45 1996 Paul Eggert <eggert@twinsun.com>
+
+ * c-decl.c (grokdeclarator): Generate a warning if -Wimplicit,
+ unless a warning was already generated by -Wreturn-type.
+
+Tue Nov 12 14:11:02 1996 Pat Rankin <rankin@eql.caltech.edu>
+
+ * Make qsort callback routines conform to the ANSI/ISO standard.
+ * c-decl.c (field_decl_cmp): Use `const void *' arguments.
+ * global.c (allocno_compare): Likewise.
+ * reload1.c (hard_reg_use_compare, compare_spill_regs): Likewise.
+ (reload_reg_class_lower): Likewise.
+ * stupid.c (stupid_reg_compare): Likewise.
+ * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
+ (QTY_CMP_PRI, QTY_CMP_SUGG): New macros.
+ (qty_compare_1, qty_sugg_compare_1): Use them.
+
+Tue Nov 12 13:20:25 1996 Jim Wilson <wilson@cygnus.com>
+
+ * fold-const.c (merge_ranges): In (+,-) case, treat subset specially
+ if lower bounds are the same.
+
+Tue Nov 12 13:10:01 1996 J.T. Conklin <jtc@cygnus.com>
+
+ * m68k.md (addsi3): If TARGET_5200, use the lea insn to add small
+ constants to address registers.
+ (negsi2): Change into define_expand.
+ (negsi2_internal): Rename from old negsi2, changed condition
+ to !TARGET_5200.
+ (negsi2_5200): New insn.
+ (one_cmplsi2): Change into define_expand.
+ (one_cmplsi2_internal): Rename from old one_cmplsi2, changed
+ condition to !TARGET_5200.
+ (one_cmplsi2_5200): New insn.
+ (negdi2_5200): Corrected constraints.
+ (one_cmpldi2): Changed condition to !TARGET_5200.
+
+ * m68k.c (m68k_align_loops_string, m68k_align_jumps_string): New vars.
+ (m68k_align_funcs_string, m68k_align_loops): Likewise.
+ (m68k_align_jumps, m68k_align_funcs): Likewise.
+ (override_options): New function.
+ * m68k.h (TARGET_OPTIONS): Added alignment options.
+ (MAX_CODE_ALIGN, ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
+ New macros.
+ (FUNCTION_BOUNDARY): Use value derrived from m68k_align_funcs
+ instead of constant.
+
+ * m68k.c (output_function_{pro,epi}logue): Fix typo in last change.
+
+Tue Nov 12 09:26:51 1996 Torbjorn Granlund <tege@wombat.gnu.ai.mit.edu>
+
+ * i386.md (parallel inc/dec and branch-if-zero/nonzero): Use `+' in
+ constraint.
+
+Mon Nov 11 15:12:22 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * libgcc2.c: Also define WEAK_ALIAS if ASM_OUTPUT_WEAK_ALIAS.
+ * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Define.
+ * varasm.c (assemble_alias): Use ASM_OUTPUT_WEAK_ALIAS.
+
+ * dwarf2out.c (TYPE_USED_FOR_FUNCTION): Lose.
+ (gen_compile_unit_die): Only append -g with -g2 or better.
+ (scope_die_for): Don't emit any type info with -g1.
+ (gen_subprogram_die): Likewise.
+ (gen_decl_die): Likewise.
+ (dwarfout_file_scope_decl): Likewise.
+ (dwarfout_init): Likewise.
+
+ * mips/iris6.h (TYPE_ASM_OP): Define.
+ (SIZE_ASM_OP): Define.
+ (ASM_WEAKEN_LABEL): Define.
+ (BSS_SECTION_ASM_OP): Define.
+ (ASM_OUTPUT_ALIGNED_LOCAL): Don't use ASM_DECLARE_OBJECT_NAME.
+ (ASM_OUTPUT_ALIGNED_BSS): Define.
+ (ASM_DECLARE_OBJECT_NAME): Redefine to emit .size directive.
+ (ASM_FINISH_DECLARE_OBJECT): Define.
+ (ASM_OUTPUT_DEF): Don't define.
+
+Fri Nov 8 20:38:51 1996 Jim Wilson <wilson@cygnus.com>
+
+ * function.c (expand_function_end): Handle BLKmode structures returned
+ in registers.
+
+Fri Nov 8 20:27:07 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * stor-layout.c (layout_record): Check for VAR_DECL instead
+ of TREE_STATIC.
+
+ * varasm.c (assemble_variable): Do write out DWARF for
+ record-scope variables.
+ * toplev.c (rest_of_type_compilation): Do write out DWARF for
+ record-scope types.
+
+ * dwarf2out.c (gen_enumeration_type_die): Set TREE_ASM_WRITTEN on a
+ complete enum type.
+ (gen_struct_or_union_type_die): Don't recurse between nested classes.
+ (gen_type_die): Write out nested classes by writing out their context.
+
+Fri Nov 8 17:40:27 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * emit-rtl.c (change_address): If MEMREF isn't changing,
+ return the old one.
+
+ * expr.c (expand_assignment): Remove bogus resetting of alignment
+ to inner alignment.
+ (expand_expr, case COMPONENT_REF): Likewise.
+
+Fri Nov 8 16:31:31 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * reg-stack.c (compare_for_stack_reg, subst_stack_regs_pat):
+ Add support for float conditional move.
+
+Thu Nov 7 07:46:07 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * stor-layout.c (layout_record): Treat constant size as variable if
+ it overflows.
+ * fold-const.c (const_binop, case *_DIV_EXPR): Don't do special
+ sizetype case if a constant overflows.
+ (size_binop): Use integer_{zero,one}p instead of explicit test.
+ * tree.c (integer_{zero,one,all_ones,pow2}p, real_{zero,one,two}p):
+ Return 0 if TREE_CONSTANT_OVERFLOW.
+
+Wed Nov 6 17:53:33 1996 Torbjorn Granlund <tege@wombat.gnu.ai.mit.edu>
+
+ * i386.md (parallel inc and branch-if-zero/nonzero): Add two
+ new pattern variants. Change incrementing pattern to use incl/jnz.
+
+Wed Nov 6 09:46:10 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.c (override_options): Set defaults for -march and -mcpu.
+ (output_float_compare): Use cc_status.flags to mark if this
+ comparison can be done with fcomi.
+ (output_fp_cc0_set): A conditional move may be in a PARALLEL.
+
+ * i386.h (CC_FCOMI): Define
+
+ * i386.md (sgt,sgtu,sge,sle,bgt,blt,bge,ble): Use CC_FCOMI
+ (movsicc_1,movhicc_1): Use correct size suffix.
+ (movsfcc_1,movdfcc_1): Cleanup default move case.
+
+Wed Nov 6 09:46:10 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * i386.h (HARD_REGNO_MODE_OK): If long double isn't XFmode, can't
+ allow XFmode.
+
+Tue Nov 5 22:49:56 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (define_split for and_shl_scratch):
+ Use rtx_equal_p on the operands to find out which alternative is used.
+ * sh.c (gen_shl_and): Try to generate shorter constant for and.
+
+Mon Nov 4 19:13:52 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c: Clean up unused variables.
+ Use ASM_{GENERATE,OUTPUT}_INTERNAL_LABEL, shorten label names.
+ (loc_descriptor): Use reg_loc_descriptor.
+ (TYPE_DECL_IS_STUB): New macro.
+ (gen_decl_die): Use it.
+ (dwarfout_file_scope_decl): Use it.
+
+Mon Nov 4 10:23:46 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * ginclude/va-ppc.h (__va_regsave_t,va_start,va_end): Wrap macro
+ and structures inside #ifndef __VA_PPC_H__ to allow reinclusion.
+
+ * rs6000/rs6000.h (LEGITIMATE_SMALL_DATA_P): Don't allow -fpic or
+ TARGET_TOC.
+ (LEGITIMATE_LO_SUM_ADDRESS_P): Ditto.
+ (LEGITIMIZE_ADDRESS): Ditto.
+
+ * rs6000/rs6000.md (movsi): Don't call elf_{high,low} if -fpic.
+
+ * rs6000/cygwin32.h (STARTFILE_SPEC): Eliminate empty %{}.
+
+Sun Nov 3 15:56:35 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/sysv4.h (TARGET_TOC): Plain -fpic does not require a TOC.
+ ({MINIMAL_TOC,CONST}_SECTION_ASM_OP): -fpic should be treated like
+ -mrelocatable in these cases.
+ (ASM_OUTPUT_INT): Ditto.
+ (ASM_OUTPUT_SECTION_NAME): Ditto.
+ (ASM_OUTPUT_ALIGNED_LOCAL): Use sdata_section, not sbss_section.
+
+Fri Nov 1 19:57:13 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (based_loc_descr): Use DBX_REGISTER_NUMBER. The
+ "frame base" is just the frame or stack reg without an offset.
+ (gen_subprogram_die): Likewise.
+ (dwarfout_begin_function): Use DBX_REGISTER_NUMBER.
+
+Fri Nov 1 09:50:05 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * fold-const.c (make_range): Don't merge unsigned case with range
+ containing upper bound; instead merge just with zero and convert
+ a range with no upper bound to opposite one with no lower bound.
+ (merge_ranges): In (+,-) case, don't treat subset specially if
+ the upper bounds are the same; fix typo in others case here.
+
+Thu Oct 31 20:12:13 1996 Jeffrey A Law (law@cygnus.com)
+
+ * fold-const.c (make_range, case PLUS_EXPR): Correct
+ normalization of an unsigned range that wraps around zero.
+
+Thu Oct 31 21:06:37 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * mips/t-iris6 (EXTRA_MULTILIB_PARTS): Define.
+ (EXTRA_PARTS): Don't define.
+
+ * dwarf2out.c (gen_struct_or_union_type_die): Use AT_specification
+ for nested types defined outside their containing class. Lose
+ is_complete.
+ (gen_enumeration_type_die): Lose is_complete.
+ (gen_type_die): Lose is_complete.
+ (add_name_and_src_coords_attributes): Tweak.
+ (gen_subroutine_type_die): Use scope_die_for.
+ (gen_ptr_to_mbr_type_die): Likewise.
+ (gen_subprogram_die): Support AT_artificial.
+ (gen_variable_die): Likewise.
+ (dwarfout_file_scope_decl): Lose finalizing.
+
+Thu Oct 31 18:43:18 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * pa.c (emit_move_sequence): Refine previous change.
+
+Thu Oct 31 13:25:32 1996 Jim Wilson <wilson@cygnus.com>
+
+ * crtstuff.c: Put HAS_INIT_SECTION ifdefs around Irix6 support.
+
+ * tree.c (decl_function_context): Handle QUAL_UNION_TYPE.
+
+ * calls.c (expand_call): Disable special handling for const calls
+ that return a PARALLEL rtx.
+ * expr.c (expand_expr, case CONSTRUCTOR): Don't use a PARALLEL
+ target.
+
+Thu Oct 31 11:45:00 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/t-{ppcgas,ppc,solaris} (EXTRA_MULTILIB_PARTS): Add
+ {e,s}crt{i,n,0}.o.
+ ({stmp,install}-crt): Delete, no longer used.
+ ({,INSTALL_}LIBGCC): Remove {stmp,install}-crt rule.
+
+Thu Oct 31 02:49:58 1996 Torbjorn Granlund <tege@nada.kth.se>
+
+ * i386.md (parallel inc and branch-if-zero/nonzero):
+ Check for -1, not zero.
+
+Wed Oct 30 15:50:49 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * fold-const.c (range_binop): Strip NOPs from result and
+ verify it's an INTEGER_CST.
+ (make_range, case BIT_NOT_EXPR): Fix typo in constant for PLUS_EXPR.
+
+ * stor-layout.c (layout_record): Use HOST_WIDE_INT for size.
+
+ * stmt.c (expand_asm_operands): Disallow matching constraints
+ on output and validate the numbers on inputs.
+
+Tue Oct 29 16:21:59 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * gcc.c (process_command,main): Process -specs=file and -specs
+ file after reading the main specs file to allow the user to
+ override the default.
+ (DEFAULT_WORD_SWITCH_TAKES_ARG): Add specs to list.
+ (option_map): Ditto.
+
+Tue Oct 29 15:49:18 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * Makefile.in (stmp-multilib): Pass $flags to s-m-sub in
+ MULTILIB_CFLAGS.
+ (stmp-multilib-sub): Build EXTRA_MULTILIB_PARTS.
+ ($(T)crt*.o): Add $(T), lose stamp-crt rule, use MULTILIB_CFLAGS.
+ (install-multilib): Install EXTRA_MULTILIB_PARTS.
+
+Mon Oct 28 20:09:39 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (shl_sext_ext): Don't accept simple left/right shift
+ variant.
+ * sh.c (EXT_SHIFT_SIGNED): New macro.
+ (shl_sext_kind, gen_shl_sext): try left shift - sign extend -
+ left shift - arithmetic right shift in case 2.
+
+Mon Oct 28 14:55:42 1996 Jim Wilson <wilson@cygnus.com>
+
+ * configure (sh-*-*): Set float_format to sh.
+ * config/float-sh.h: New file.
+
+Mon Oct 28 14:26:08 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * mips/mips.h (RTX_COSTS): Add cases for SIGN_EXTEND and
+ ZERO_EXTEND.
+
+ * m68k/lb1sf68.asm: Change # to IMM in udivsi3 __mcf5200__.
+
+ * combine.c (simplify_rtx): Add some optimizations for TRUNCATE.
+ (expand_compound_operation): Add some optimizations for
+ ZERO_EXTEND.
+
+Mon Oct 28 14:11:20 1996 Gavin Koch <gavin@cygnus.com>
+
+ * varasm.c (make_decl_rtl,assemble_variable):
+ Allow named sections for uninitialized variables.
+
+Mon Oct 28 13:08:51 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * pa.c (emit_move_sequence): If reload in progress, replace
+ reference to pseudo with reference to corresponding MEM.
+
+ * c-typeck.c ({un,}signed_type): If can't do anything, call
+ signed_or_unsigned_type.
+ (signed_or_unsigned_type): If already right signedness, return.
+
+Mon Oct 28 13:05:26 1996 Stephen Williams (steve@icarus.com)
+
+ * i960.h: Add specification for -Jx types.
+ * i960/t-960bare: Include multilib support for Jx types.
+
+Mon Oct 28 10:06:00 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/t-{ppc{,gas},solaris} (install-crt): Depend on
+ installdirs, not install-dir.
+
+ * rs6000/sysv4.h (TARGET_TOC): -fpic does not use a TOC area.
+
+Mon Oct 28 09:07:42 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (delete_output_reload): Don't use delete_insn
+ when deleting all stores into a replaced pseudo.
+
+ * sh.md (movsf_ieq, movsf_ie): Merged the former into the latter.
+ Changed matching define_split appropriately.
+ (movsf): Changed appropriately.
+ (reload_insf) Define.
+ * sh.h (SECONDARY_INPUT_RELOAD_CLASS): Define.
+
+Mon Oct 28 08:38:23 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * dsp16xx.h (ASM_OUTPUT_BYTE): adjust definition to actual type of
+ VALUE, which is HOST_WIDE_INT.
+
+Mon Oct 28 07:36:07 1996 Ulrich Drepper <drepper@cygnus.com>
+
+ * ginclude/stddef.h: Make sure file is processed if some of the
+ known __need_* macros is defined.
+
+Sun Oct 27 21:37:59 1996 J.T. Conklin <jtc@cygnus.com>
+
+ * m68k.c (output_function_prologue): Adjust SP then use movmel with
+ plain address indirect mode for TARGET_5200.
+ (output_function_epilogue): Disable moveml and use several movel's
+ instead for TARGET_5200.
+ (output_function_{pro,epi}logue): Use lea instruction to adjust
+ stack pointer for short displacements for TARGET_5200.
+
+Sun Oct 27 15:27:45 1996 Jeffrey A Law (law@cygnus.com)
+
+ * fold-const.c (merge_ranges): Fix thinko/typo.
+
+Sat Oct 26 22:07:04 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * expr.c (convert_modes): Before returning a const_double for a
+ large unsigned value, zero extend an integer value if necessary.
+
+Sat Oct 26 15:24:55 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
+
+ * m68k/x-mot3300 (XCFLAGS): Disable native assembler's jump
+ optimization for expr.o and cp/decl.o.
+
+Sat Oct 26 14:04:09 1996 Ben Harris <bjh21@cam.ac.uk>
+
+ * m68k.c (output_function_prologue): Add REGISTER_PREFIX to stack
+ probe instruction.
+
+Sat Oct 26 13:59:05 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * explow.c (allocate_dynamic_stack_space): Delete reference to
+ nonexistant macro ALLOCATE_OUTGOING_ARGS.
+
+ * next.h (CPP_PREDEFINES): Add -D_NEXT_SOURCE.
+
+Sat Oct 26 13:50:49 1996 Mark Mitchell (mitchell@centerline.com)
+
+ * configure (i486-ncr-sysv4*): Use i386/sysv4gdb if stabs and gas.
+
+Sat Oct 26 12:20:35 1996 John F. Carr <jfc@mit.edu>
+
+ * configure: Support --with-cpu=* for SPARC. Or target default
+ values instead of adding them.
+ * sparc.c (cpu_default): Add entries for v8 and supersparc.
+ * sparc.h: Define TARGET_CPU values for v8 and supersparc.
+
+Sat Oct 26 11:38:01 1996 Kamil Iskra <iskra@student.uci.agh.edu.pl>
+
+ * collect2.c (dump_file): Call fclose() for opened files.
+
+Sat Oct 26 11:29:29 1996 J"orn Rennecke (amylaar@cygnus.co.uk)
+
+ * jump.c (jump_optimize): Fix second error in last change.
+
+ * svr3.h: Fix typo which makes comment text be non-comment.
+
+Fri Oct 25 16:18:39 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/t-winnt (LIBGCC1): Don't build libgcc1.
+ (EXTRA_PARTS): Build crti.o, crtn.o.
+ (stmp-crt): Remove old multilib support.
+
+Thu Oct 24 15:09:14 1996 Jim Wilson <wilson@cygnus.com>
+
+ * fold-const.c (make_range, case PLUS_EXPR): Normalize an unsigned
+ range that wraps around 0.
+
+Thu Oct 24 14:37:17 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * mips.md: Change predicates for 64 bit arithmetic operations
+ so that they accept sign extended registers as operands.
+ (extendsidi2): Accept hi or lo as input.
+ * mips.c (movdi_operand, se_register_operand,
+ se_reg_or_0_operand, se_uns_arith_operand, se_arith_operand,
+ se_nonmemory_operand, se_nonimmediate_operand): New functions.
+ (mips_move_2words): Handle a SIGN_EXTEND source.
+ (print_operand): Handle a SIGN_EXTEND operand.
+ (mips_secondary_reload_class): Handle a SIGN_EXTEND rtx.
+ * mips.h: Declare new mips.c functions.
+ (PREDICATE_CODES): Add new functions.
+
+Thu Oct 24 07:41:14 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * fold-const.c (make_range, comparison cases): When making range
+ for unsigned to merge in, use full range.
+
+ * stor-layout.c (GET_MODE_ALIGNMENT): Delete definition; duplicate.
+
+Thu Oct 24 07:28:53 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * reload1.c (emit_reload_insns): Check for second_reloadreg
+ in SECONDARY_OUTPUT_RELOAD_CLASS / PRESERVE_DEATH_INFO_REGNO_P case.
+
+Wed Oct 23 14:27:43 1996 Mike Stump <mrs@cygnus.com>
+
+ * crtstuff.c (__do_global_dtors_aux): Allow finalization code to
+ be run more than once.
+ * libgcc2.c (__do_global_dtors): Ditto.
+
+Wed Oct 23 20:42:23 1996 Joern Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (dump_table): handle SFmode and DFmode.
+ (broken_move): handle simple PARALLEL.
+ (machine_dependent_reorg, pc-relative move generation): Likewise.
+ * sh.h (CONST_DOUBLE_OK_FOR_LETTER_P): always true for 'F' .
+ (LEGITIMATE_CONSTANT_P): accept SFmode and DFmode.
+ * sh.md (movdf_k, movsf_i, movsf_ie): new alternative for
+ pc-relative load.
+ (movsf_ieq): new define_insn with matching define_split.
+ (movsf): use it where appropriate.
+ (consttable_sf, consttable_df): new define_insns.
+
+Wed Oct 23 17:48:32 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * svr4.h (MAKE_DECL_ONE_ONLY): Fix typo in use of macro parameter.
+
+Wed Oct 23 17:46:13 1996 Pat Rankin <rankin@eql.caltech.edu>
+
+ * cexp.y (yylex): Cast string literal to U_CHAR* for lookup() call.
+
+Wed Oct 23 14:50:04 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * stmt.c (expand_return): Expand cleanups. Make sure we get a
+ pseudo-reg and provide a target in the non-BLKmode case. Get return
+ type of fn properly.
+
+Wed Oct 23 14:16:06 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * reload.c (find_reloads): Handle any unary operator.
+ * recog.c (constrain_operands): Likewise.
+
+ * mips.md: Remove extendsidi2 define_expand.
+ Rename extendsidi2_internal define_insn to extendsidi2, and add a
+ register to register case.
+
+Wed Oct 23 14:08:31 1996 Jim Wilson <wilson@cygnus.com>
+
+ * a29k.c (a29k_makes_calls): New global variable.
+ (compute_regstack_size, a29k_compute_reg_names): New functions.
+ (output_prolog): Much code moved to two new functions. Use
+ a29k_makes_calls instead of makes_calls.
+ * a29k.h (ASM_DECLARE_FUNCTION_NAME): Call a29k_compute_reg_names.
+
+ * calls.c (expand_call): In target code, move PARALLEL case above
+ target != case.
+
+ * mips.c (block_move_load_store, block_move_sequence): Delete.
+ (block_move_loop): New parameter orig_dest. Call change_address to
+ create new MEM instead of gen_rtx.
+ (expand_block_move): New local orig_dest. Pass it to block_move_loop.
+ Call change_address to create new MEM instead of gen_rtx.
+
+Wed Oct 23 10:30:32 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (combine_givs): When combining a DEST_REG giv with its
+ only use, always set the benefit of the combined giv to that of
+ the DEST_REG giv.
+
+ * emit-rtl (gen_lowpart_common): When converting a floating
+ point value into an integer, use WORD as (first) word.
+
+ * combine.c (can_combine_p): When SMALL_REGISTER_CLASSES is defined,
+ avoid substituting a return register into I3.
+
+ * optabs.c (emit_libcall_block): Before adding an REG_EQUAL note,
+ check that it will really apply to a single instruction.
+ (expand_binop, expand_fix): Likewise.
+
+Wed Oct 23 10:20:52 1996 Stephen L Moshier (moshier@world.std.com)
+
+ * real.c (exact_real_inverse): New function, if REAL_ARITHMETIC.
+ * fold-const.c (exact_real_inverse): Likewise, if no REAL_ARITHMETIC.
+ (fold, case RDIV_EXPR): Turn divide by constant into multiplication
+ by the reciprocal, if optimizing and result is exact.
+ * real.h (exact_real_inverse): Declare.
+
+Wed Oct 23 00:12:52 1996 Torbjorn Granlund <tege@nada.kth.se>
+
+ * expr.h (emit_store_flag_force): Declare.
+
+Tue Oct 22 18:32:20 1996 Jim Wilson <wilson@cygnus.com>
+
+ * unroll.c (unroll_loop): Always reject loops with unbalanced blocks.
+
+Tue Oct 22 18:27:06 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * config/fp-bit.c (float_to_usi): Correct thinko: avoid a negative
+ shift.
+ (df_to_sf): Remember any discarded nonzero bits in the low order
+ guard bit.
+
+ * ginclude/va-mips.h: Add support for -mips1 and -msoft-float when
+ using -mabi=eabi.
+ * mips/abi64.h (SETUP_INCOMING_VARARGS): When MIPS EABI, handle
+ TARGET_SINGLE_FLOAT or ! TARGET_FLOAT64 correctly when saving
+ floating point registers to the stack.
+ * mips/mips.c (mips_function_value): If TARGET_SINGLE_FLOAT, use
+ GP_RETURN for floating point types larger than 4 bytes.
+
+Tue Oct 22 09:43:49 1996 Geoffrey Noer <noer@cygnus.com>
+
+ * rs6000/cygwin32.h (LIB_SPEC): Add -lkernel32 all of the time,
+ and {user,gdi,comdlg}32 if -mwindows.
+
+Tue Oct 22 05:24:05 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (scope_die_for): Don't skip lexical blocks.
+ (gen_lexical_block_die): Call push_decl_scope.
+ (gen_subprogram_die): Never refer to the function symbol.
+ (dwarfout_begin_prologue): Likewise.
+
+Mon Oct 21 20:22:49 1996 Torbjorn Granlund <tege@nada.kth.se>
+
+ * expmed.c (emit_store_flag_force): New function.
+ * optabs.c (expand_binop): Use it.
+
+ * expr.c (do_store_flag): Don't check if target is 0 in code
+ emitting store flag as compare-branch.
+
+Mon Oct 21 17:58:33 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * mips.c (override_options): Correct typo (MASK_64BIT should
+ have been TARGET_64BIT).
+
+Mon Oct 21 13:58:54 1996 Jim Wilson <wilson@cygnus.com>
+
+ * unroll.c (loop_comparison_code): New static variable.
+ (unroll_loop): Add check for loop_comparison_code
+ (loop_iterations): Set loop_comparison_code.
+
+ * sh.c (gen_shl_sext): Add missing parameter to shl_sext_kind call.
+
+ * mips.h (INITIAL_FRAME_POINTER_OFFSET): Delete.
+
+ * loop.c (strength_reduce): Add check for ! bl->reversed to
+ auto_inc_opt code.
+
+Mon Oct 21 12:28:15 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ jump.c (jump_optimize): Fix bug in Oct. 14 change.
+
+Mon Oct 21 07:59:16 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * expr.c (store_expr): Disable optimization of using convert
+ if exp's type is a subtype.
+
+ * c-typeck.c (build_array_ref): If -Wchar-subscripts, also warn
+ in case when pointer is being indexed.
+
+Mon Oct 21 07:39:31 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * jump.c (jump_optimize): Use emit_store_flag even if branches
+ are cheap, if the store is even cheaper.
+
+Sun Oct 20 20:01:09 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * reload1.c (reload_reg_free_p, reloads_conflict): RELOAD_OTHER
+ and RELOAD_FOR_OTHER_ADDRESS conflict.
+
+ * i386.md (ffs[sh]i2): Add missing CC_STATUS_INIT.
+
+Fri Oct 18 13:32:13 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.md (float conversion insns): Generate correct code
+ if the bit 15 of rs6000_fpmem_offset is non-zero.
+
+Thu Oct 17 23:22:03 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarfout.c (data_member_location_attribute): Support binfos.
+ (output_inheritance_die): New fn.
+ (output_type): Use it.
+
+ * dwarf2out.c (value_format): Split out from...
+ (output_value_format): Here.
+ (build_abbrev_table): Use value_format.
+ (size_of_locs): New fn.
+ (size_of_die): Don't assume a loc needs a 2-byte length.
+ (value_format): Likewise.
+ (output_die): Likewise.
+
+Thu Oct 17 14:46:14 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * mips.c (override_options): In 64 bit EABI mode, set TARGET_LONG64.
+
+Thu Oct 17 11:34:51 1996 Bob Manson <manson@cygnus.com>
+
+ * expr.c (do_jump): Conditionalize cleanups for the COND_EXPR case,
+ similarly to the way TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR are
+ handled.
+
+Thu Oct 17 01:20:16 1996 Jim Wilson <wilson@cygnus.com>
+
+ * m68k.h (MASK_68040_ALSO): New macro.
+ (TARGET_SWITCHES): Option -m68020-40 includes MASK_68040_ALSO.
+
+Wed Oct 16 16:25:38 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (scope_die_for): Also support decls, add asserts.
+ (modified_type_die): Modified types all go under comp_unit_die.
+ (add_type_attribute): Just pass context_die through.
+ (various): Revert useless lookup_type_die change.
+ (gen_subprogram_die): Use scope_die_for. Call push_decl_scope.
+ (gen_inlined_subroutine_die): Call push_decl_scope.
+ (gen_struct_or_union_type_die): Likewise.
+ (gen_decl_die): Don't call push_decl_scope.
+
+ * mips/iris6.h (*_SPEC): Replace enumeration of !mabi= with !mabi*.
+ (ASM_OUTPUT_{CON,DE}STRUCTOR): Enable.
+ (STARTFILE_SPEC): Support -mips4, -shared.
+ (ENDFILE_SPEC): Likewise.
+ (LIB_SPEC): Support -shared, avoid warning 84.
+ (LIBGCC_SPEC): Define.
+ (LINK_SPEC): Support -shared, remove -woff 84.
+ * mips/t-iris6 (EXTRA_PARTS): Add crtstuff.
+ * crtstuff.c: Support Irix 6.
+ * configure: Don't use collect2 for Irix 6.
+ * libgcc2.c (__main): Don't use any of this stuff if HAS_INIT_SECTION.
+
+Wed Oct 16 11:46:37 1996 Mike Stump <mrs@cygnus.com>
+
+ * elxsi.h (CHECK_FLOAT_VALUE): Removed.
+
+Wed Oct 16 14:19:38 1996 Jim Wilson <wilson@cygnus.com>
+
+ * iris6.h (CPP_PREDEFINES): Add -D_LONGLONG.
+ (CPP_SPECS): Remove -D_LONGLONG.
+
+Wed Oct 16 03:34:42 1996 Torbjorn Granlund <tege@nada.kth.se>
+
+ * i386.md (parallel inc/dec and branch-if-zero/nonzero): New patterns.
+
+Tue Oct 15 22:28:11 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * mips.h (enum mips_abi_type): Add ABI_EABI.
+ (CPP_SPEC): Define __mips_soft_float if -msoft-float, and
+ __mips_eabi if -mabi=eabi.
+ (INITIAL_ELIMINATION_OFFSET, CUMULATIVE_ARGS,
+ GO_IF_LEGITIMATE_ADDRESS, CONSTANT_ADDRESS_P, LEGITIMATE_CONSTANT,
+ LEGITIMIZE_ADDRESS): Add support for MIPS EABI.
+ * mips/abi64.h (STACK_BOUNDARY, MIPS_STACK_ALIGN,
+ FUNCTION_ARG_PADDING, RETURN_IN_MEMORY, SETUP_INCOMING_VARARGS):
+ Add support for MIPS EABI.
+ (FUNCTION_ARG_PASS_BY_REFERENCE): Define.
+ (FUNCTION_ARG_CALLEE_COPIES): Define.
+ * mips.c (mips_const_double_ok, function_arg_advance,
+ function_arg, function_arg_partial_nregs, override_options,
+ compute_frame_size): Add support for MIPS EABI.
+ (function_arg_pass_by_reference): New function.
+ * ginclude/va-mips.h: Add support for MIPS EABI.
+
+Tue Oct 15 19:10:08 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * toplev.c (rest_of_type_compilation): Don't write out
+ DWARF for function-scope types yet.
+ (compile_file): Do send vars with no RTL to the DWARF code.
+
+Tue Oct 15 17:54:43 1996 Doug Evans <dje@cygnus.com>
+
+ * loop.c (strength_reduce): Avoid taking PATTERN of a label.
+
+Tue Oct 15 16:52:33 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * mips/iris6.h: (SUBTARGET_CPP_SIZE_SPEC): Define.
+ (SUBTARGET_CPP_SPEC): Remove definitions of __SIZE_TYPE__ and
+ __PTRDIFF_TYPE__, now in SUBTARGET_CPP_SIZE_SPEC.
+
+Tue Oct 15 11:19:17 1996 Lee Iverson <leei@Canada.AI.SRI.COM>
+
+ * mips.h (CPP_SPEC): Restore -D_LANGUAGE_C for Objective C.
+
+Mon Oct 14 18:03:35 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (gen_decl_die): Do generate dies for classes with -g1.
+ (dwarfout_file_scope_decl): Likewise.
+
+Mon Oct 14 16:31:44 1996 Joern Rennecke <amylaar@cygnus.co.uk>
+
+ * jump.c (jump_optimize): Check for if (...) { x = a; goto l; } x = b;
+
+Mon Oct 14 14:19:49 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (modified_type_die): Don't bother with AT_address_class.
+ (add_data_member_location_attribute): Handle getting a binfo.
+ (add_location_or_const_value_attribute): Handle a decl with no RTL.
+ (add_pure_or_virtual_attribute): Add AT_vtable_elem_location.
+ (add_name_and_src_coords_attributes): Only use DECL_ASSEMBLER_NAME
+ for staticp things.
+ (gen_subprogram_die): Set up AT_inline for abstract decls.
+ (gen_inheritance_die): New fn.
+ (gen_member_die): Also emit info for base classes.
+
+Sat Oct 12 00:07:00 1996 Doug Evans <dje@cygnus.com>
+
+ * fold-const.c (make_range): Handle NULL operand 0
+ (like in BIND_EXPRs).
+
+Fri Oct 11 15:42:22 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * toplev.c (rest_of_compilation): If we did a
+ save_for_inline_copying, reset DECL_ABSTRACT_ORIGIN for the
+ function when we're done.
+
+ * toplev.c (main): DWARF works with C++ now.
+
+ * dwarf2out.c (gen_subprogram_die): Disable MIPS_AT_has_inline
+ support for now.
+
+Fri Oct 11 14:31:10 1996 Torbjorn Granlund <tege@nada.kth.se>
+
+ * dwarfout.c: (output_bound_representation): Fix typo in prototype.
+
+Fri Oct 11 12:19:21 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * mips.h (MIPS_AS_ASM_SPEC): Define.
+ (SUBARGET_MIPS_AS_ASM_SPEC): Define.
+ (GAS_ASM_SPEC): Define.
+ (TARGET_ASM_SPEC): Define.
+ (SUBTARGET_ASM_OPTIMIZING_SPEC): Define.
+ (SUBTARGET_ASM_DEBUGGING_SPEC): Define.
+ (SUBTARGET_ASM_SPEC): Define.
+ (ASM_SPEC): Rewrite to use above specs.
+ (SUBTARGET_CPP_SIZE_SPEC): Define.
+ (SUBTARGET_CPP_SPEC): Define.
+ (CPP_SPEC): Use above specs. Don't define _LANGUAGE_C if C++ or
+ Objective C.
+ (EXTRA_SPECS): Define.
+ (SUBTARGET_EXTRA_SPECS): Define.
+ * mips/dec-bsd.h (ASM_SPEC): Don't define.
+ (CPP_SPEC): Don't define.
+ * mips/dec-osf1.h (CPP_SPEC): Don't define.
+ (SUBTARGET_CPP_SIZE_SPEC): Define.
+ * mips/elf64.h (CPP_SPEC): Don't define.
+ (SUBTARGET_CPP_SPEC): Define.
+ * mips/gnu.h (TARGET_DEFAULT): Define.
+ (ASM_SPEC): Don't define.
+ * mips/iris3.h (CPP_SPEC): Don't define.
+ (SUBTARGET_CPP_SPEC): Define.
+ * mips/iris4loser.h (ASM_SPEC): Don't define.
+ (SUBTARGET_MIPS_AS_ASM_SPEC): Define.
+ (SUBTARGET_ASM_OPTIMIZING_SPEC): Define.
+ * mips/iris5.h (CPP_SPEC): Don't define.
+ (SUBTARGET_CPP_SPEC): Define.
+ * mips/iris6.h (CPP_SPEC): Don't define.
+ (SUBTARGET_CPP_SPEC): Define.
+ (ASM_SPEC): Don't define.
+ (SUBTARGET_ASM_SPEC): Define.
+ (SUBARGET_MIPS_AS_ASM_SPEC): Define.
+ (SUBTARGET_ASM_DEBUGGING_SPEC): Define.
+ * mips/netbsd.h (ASM_SPEC): Don't define.
+ (CPP_SPEC): Don't define.
+ (SUBTARGET_CPP_SPEC): Define.
+ * mips/osfrose.h (ASM_SPEC, ASM_FINAL_SPEC): Don't define.
+ (CPP_SPEC): Don't define.
+ (SUBTARGET_CPP_SIZE_SPEC): Define.
+ (SUBTARGET_CPP_SPEC): Define.
+ * mips/sni-svr4.h (CPP_SPEC): Don't define.
+ (SUBTARGET_CPP_SIZE_SPEC): Define.
+
+Thu Oct 10 17:58:49 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * mips/iris6.h (ASM_OUTPUT_SECTION_NAME): Define.
+ (DWARF_OFFSET_SIZE): Define.
+
+ * dwarf2out.c (most everywhere): Support SGI/MIPS -mabi=64 by fixing
+ code which assumed that pointers are 4 bytes long, parameterizing
+ many sizes on DWARF_OFFSET_SIZE and using DELTA instead of DELTA4,
+ DATA instead of DATA4, FORM_ref instead of FORM_ref4. (DWARF_ROUND,
+ UNALIGNED_DOUBLE_INT_ASM_OP, UNALIGNED_WORD_ASM_OP,
+ ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_DATA, DW_FORM_data,
+ DW_FORM_ref): New macros.
+ (gen_variable_die): Only equate_decl_number_to_die if
+ decl is TREE_STATIC.
+ (get_AT): Fix thinko.
+
+ * dwarf2out.c (constant_size): New fn.
+ (size_of_die): Use it instead of assuming 4 bytes;
+ usually we only need one.
+ (output_value_format, output_die): Likewise.
+ (build_abbrev_table): We need a new abbrev if the size
+ of the constant differs.
+ (dwarf_attr_name): Add new SGI/MIPS extensions.
+ (gen_subprogram_die): Support DW_AT_MIPS_has_inlines.
+ (gen_inlined_subroutine_die): Likewise.
+
+Thu Oct 10 16:38:58 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * mips.md (mov[sd]fcc): Use register_operand, not reg_or_0_operand,
+ for source predicates.
+
+Thu Oct 10 15:19:38 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.md (floatsidf2_load): For large stack frames, do not
+ generate an illegal memory reference.
+ (movdi, movdf define_splits): Fix code so that it works for either
+ big or little endian hosts generating code for either big or
+ little endian targets.
+
+ (from Jim Wilson)
+ * rs6000.c (rs6000_save_toc_p): Delete global variable.
+ (rs6000_{save,restore}_machine_status): Do not save/restore it.
+ (rs6000_init_expanders): Do not initialize it.
+ (rs6000_stack_info): Always create TOC save space.
+
+ * rs6000.md (NT indirect call insns): Do not set
+ rs6000_save_toc_p.
+
+ * rs6000.h (rs6000_save_toc_p): Delete declaration.
+
+Wed Oct 9 18:06:54 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * mips.h (EMPTY_FIELD_BOUNDARY): Define as 32.
+ * mips/abi64.h (EMPTY_FIELD_BOUNDARY): Don't define.
+
+ * mips/abi64.h (TARGET_DEFAULT, TARGET_LONG64, CPP_PREDEFINES,
+ CPP_SPEC): Move from here...
+ * mips/iris6.h: ...to here.
+
+Wed Oct 9 16:43:51 1996 Jim Wilson <wilson@cygnus.com>
+
+ * configure (i[3456]86-dg-dgux): Use install-headers-cpio.
+
+ * expr.c (store_constructor): Delete unnecessary increment.
+
+Wed Oct 9 16:29:22 1996 Gavin Koch <gavin@cetus.cygnus.com>
+
+ * cccp.c (do_include): Treat ENOTDIR like ENOENT when an open fails.
+
+Wed Oct 9 16:26:57 1996 Paul Eggert <eggert@twinsun.com>
+
+ * gcc.c (default_compilers): -ansi no longer implies -$ to cpp.
+ * c-lex.c (yylex): Treat `$' just like `_', except issue a
+ diagnostic if !dollars_in_ident or if pedantic.
+ * c-decl.c (dollars_in_ident): DOLLARS_IN_IDENTIFIERS is now Boolean.
+ (c_decode_option): -fdollars-in-identifiers is now independent
+ of -ansi, of -traditional, and of DOLLARS_IN_IDENTIFIERS.
+ * cexp.y (initialize_random_junk): Ignore DOLLARS_IN_IDENTIFIERS.
+ * cccp.c (dollars_in_ident): Remove; replaced by is_idchar['$'].
+ (main): Initialize is_idchar and is_idstart directly when given -$.
+ Ignore DOLLARS_IN_IDENTIFIERS.
+ (rescan): Diagnose $ in identifier if pedantic.
+ (initialize_char_syntax): Assume $ is allowed in identifier;
+ `main' will change this if -$ is given.
+ * cpplib.h (DOLLARS_IN_IDENTIFIERS): Remove.
+ * cpplib.c (cpp_options_init): Ignore DOLLARS_IN_IDENTIFIERS.
+ (parse_name): Diagnose $ in identifier if pedantic.
+ (cpp_handle_options): -traditional no longer messes with
+ dollars_in_ident.
+ * i386/dgux.h, m68k/apollo68.h (DOLLARS_IN_IDENTIFIERS): Remove.
+ * m88k.h, mips.h, nextstep.h, pa.h (DOLLARS_IN_IDENTIFIERS): Remove.
+ * vax/ultrix.h, vax/vms.h (DOLLARS_IN_IDENTIFIERS): Remove.
+ * convex.h (OVERRIDE_OPTIONS): Don't need to set
+ dollars_in_ident any more, since -ansi doesn't change it.
+
+Wed Oct 9 07:35:47 1996 Doug Evans <dje@cygnus.com>
+
+ * Allow prefix attributes in more places.
+ * c-parse.in: Update number of shift/reduce conflicts.
+ ({typed_declspecs,reserved_declspecs,declmods}_no_prefix_attr): New.
+ (current_declspecs): Initialize to NULL_TREE.
+ (fndef): Pass current_declspecs, not $1, to start_function.
+ (old_style_parm_decls): Renamed from xdecls.
+ (datadecl, declmods): Add references to new rules.
+ (setspecs): Call split_specs_attrs.
+ (absdcl1): Remove case with setattrs.
+ * c-common.c (split_specs_attrs): New function.
+
+Wed Oct 9 05:48:43 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * sdbout.c: Include defaults.h.
+ * Makefile.in (sdbout.o): Make dependency list match included files.
+
+ * fold-const.c (range_test): Function deleted.
+ (range_binop, make_range, build_range_check): New functions.
+ (merge_ranges, fold_range_test): Likewise.
+ (fold_truthop): No longer call range_test.
+ (fold, case TRUTH_{AND,OR}{,IF}_EXPR): Call fold_range_test.
+
+Tue Oct 8 22:03:32 1996 Torbjorn Granlund <tege@nada.kth.se>
+
+ * configure: Set cpu_type for pyramid.
+
+Tue Oct 8 21:54:04 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * final.c (final_start_function): Call dwarfout_begin_prologue.
+
+ * dwarf2out.c (pubname_*, arange_*): New data for .debug_pubnames
+ and .debug_aranges sections.
+ (add_pubname): New fn.
+ (size_of_pubnames): Reimplement.
+ (output_pubnames): Likewise.
+ (add_arange): New fn.
+ (size_of_aranges): Include function sections.
+ (output_aranges): Likewise.
+ (gen_variable_die): Call add_pubname.
+ (add_name_and_src_coords_attributes): Use DECL_ASSEMBLER_NAME for now.
+ (decl_start_label): Renamed from function_start_label.
+ (gen_subprogram_die): If weak or one_only, use a local label for
+ AT_low_pc. Call add_pubname and add_arange.
+ (dwarfout_begin_prologue): New fn. Start up FDE here.
+ (dwarfout_begin_function): Not here.
+ (get_AT): Split out. Look in specification and abstract_origin DIEs.
+ (get_AT_low_pc, get_AT_string, get_AT_flag, get_AT_unsigned,
+ get_AT_hi_pc): Use it.
+ (dwarfout_finish): Variables can produce pubnames, too.
+
+Tue Oct 8 19:35:40 1996 Torbjorn Granlund <tege@nada.kth.se>
+
+ * m88k/dgux.h (CPP_SPEC): Avoid newline in the string.
+
+ * final.c (final): Update insn_current_address before calling
+ final_scan_insn.
+
+Tue Oct 8 17:52:02 1996 Jim Wilson <wilson@cygnus.com>
+
+ * unroll.c (unroll_loops): Set local_regno only if set_dominates_use
+ returns true.
+ (set_dominates_use): New function.
+
+Tue Oct 8 16:01:37 1996 Doug Evans <dje@cygnus.com>
+
+ * c-typeck.c (decl_constant_value): Delete test for ! TREE_PUBLIC.
+
+Tue Oct 8 10:36:44 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (hppa_legitimize_address): Remove test code accidentally left
+ in during last change.
+
+Mon Oct 7 19:55:02 1996 Jim Wilson <wilson@cygnus.com>
+
+ * sched.c (schedule_block): Before scheduling, add code to make all
+ call used regs that are not fixed or global live when we see a
+ CALL_INSN. During scheduling, change existing code to use same test.
+
+ * varasm.c (bss_section): Delete unused parameters.
+
+Mon Oct 7 16:24:21 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2.h: Add new SGI/MIPS attributes.
+
+ * dwarf2out.c (*_separate_line_info_*): Parallel line number
+ information for functions defined in sections other than .text.
+ (size_of_line_info): Support it.
+ (output_line_info): Likewise.
+ (dwarfout_line): Likewise.
+ (gen_compile_unit_die): Don't add high/low_pc or stmt_list
+ attributes here.
+ (dwarfout_finish): Add them here if appropriate.
+ (remove_AT): free removed attribute properly.
+ (gen_type_die): Don't assume a nested type is complete.
+ (dwarfout_finish): Don't emit line info if it would be empty.
+
+ * dwarfout.c (output_block): Don't emit a DIE for a body block.
+ (output_decls_for_scope): Don't increment next_block_number for the
+ outer block.
+ (output_decl): Start from the outer block, not
+ the first inner block since there can be more than one in C++.
+ (type_tag): Handle C++ TYPE_NAME.
+ (output_type): Fix handling of TYPE_METHODS.
+ (output_decl): Don't output a DIE for artificial typedefs.
+
+Mon Oct 7 15:47:29 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.md (movdi define_splits): Fix previous change to work
+ on both little and big endian hosts.
+
+Sun Oct 6 16:52:34 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (combinable_fsub): Don't return without a value.
+
+Sun Oct 6 14:05:39 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.md (mov{df,di} define_splits): Use split_double to
+ properly split CONST_DOUBLEs.
+ (movdi): Likewise.
+
+Sat Oct 5 08:43:14 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * i386/cygwin32.h (LIB_SPEC): Add support for -mwindows.
+ Always pass -lkernel32.
+ (LIBGCC_SPEC): Don't delete.
+ (STARTFILE_SPEC): Remove always-true conditionalization.
+ (LONG_DOUBLE_TYPE_SIZE): Use default.
+
+Fri Oct 4 17:22:53 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * toplev.c (rest_of_type_compilation): Don't emit DWARF for member
+ types of a type we haven't emitted yet.
+ (compile_file): Still emit DWARF for pending tagged types.
+
+ * final.c (final_scan_insn): Do emit DWARF labels for level 1 blocks.
+
+ * dwarf2out.c (gen_subprogram_die): Start from the outer block, not
+ the first inner block since there can be more than one in C++.
+ (gen_lexical_block_die): Keep track of the block depth.
+ (gen_block_die): Don't emit a DIE for a body block.
+ (gen_inlined_subroutine_die): Don't emit anything for an
+ abstract instance.
+ (decls_for_scope): Don't increment next_block_number for the
+ outer block.
+
+Fri Oct 4 15:27:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (PRESERVE_DEATH_INFO_REGNO_P): Define.
+
+ * sh.c (sfunc_uses_reg): New function.
+ (noncall_uses_reg, machine_dependent_reorg, final_prescan_insn):
+ Handle special functions like function calls for purposes of relaxing.
+ (noncall_uses_reg): Added some missing cases of registers
+ being used in non-call instructions.
+
+Fri Oct 4 10:51:40 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c: Tear out backchaining brain damage.
+ (remove_AT, remove_children): New functions.
+ (modified_type_die): Call gen_type_die instead of backchaining.
+ (gen_subprogram_die): Don't generate a new specification DIE for
+ member functions defined in the class; use the declaration DIE instead.
+ (gen_struct_or_union_type_die): Support DW_AT_declaration.
+ (gen_type_die): Don't set TREE_ASM_WRITTEN on incomplete structs.
+ (gen_decl_die): Revert previous change; it's much simpler to emit
+ the class from rest_of_type_compilation.
+
+Fri Oct 4 09:54:21 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * Make sure we have enough registers for the insns we recognize.
+ * i386.h (flag_omit_frame_pointer, outer_function_chain): Declare.
+ (current_function_calls_alloca): Likewise
+ (rtx_equal_function_value_matters): Likewise
+ (N_REGS_USED, N_ALLOCATABLE_REGISTERS): Define.
+
+ * i386.md (adddi3_1, subdi3_1): Insns renamed from adddi3 and subdi3;
+ added missing earlyclobbers.
+ (adddi3_1): Removed duplicates from commutativity.
+ (adddi3, subdi3): New define_expands.
+ (movsf, movsf_mem, movsf_normal, movdf, movdf_mem , movdf_mem+1): Take
+ number of used vs. available registers into account.
+ (movxf, movxf_mem, movxf_mem+1, addsidi3_1, addsidi3_2): Likewise.
+ (adddi3_1, subsidi3, subdi3_1): Likewise.
+ (addsidi3_1, addsidi3_2, subsidi3): Need no generate function.
+
+ * i386.c (asm_output_function_prefix): Don't use
+ ASM_DECLARE_FUNCTION_NAME if it is not defined.
+
+Fri Oct 4 07:01:55 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * stor-layout.c (layout_decl): Don't turn off DECL_BIT_FIELD
+ if DECL's alignment is less than its type.
+
+Thu Oct 3 19:42:30 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * toplev.c (rest_of_type_compilation): Also do this for DWARF.
+ (compile_file): Don't try to write out DWARF for vars with no RTL.
+
+Thu Oct 3 18:31:28 1996 Doug Evans <dje@cygnus.com>
+
+ * ginclude/{stdarg.h,varargs.h}: Use #include "", not #include <>.
+
+Wed Oct 2 17:29:53 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * fixincludes: Add a hack to the big sed script to work around a
+ bug in the sed implementation on HP/UX 10.20.
+
+Wed Oct 2 16:53:56 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (modified_type_die): Don't generate redundant DIEs.
+ (gen_{array,pointer,reference,ptr_to_mbr}_type_die): Likewise.
+ (gen_{subroutine,string,set}_type_die): Likewise.
+
+ * dwarf2out.c: Undo text_end_label, add_src_coords changes.
+ (addr_const_to_string): Fix typos.
+ (decl_class_context): New fn.
+ (get_AT_unsigned): New fn.
+ (gen_subprogram_die): Only emit src coords info for a specification
+ if they changed.
+ (gen_variable_die): Support DW_AT_declaration and DW_AT_specification.
+ (gen_decl_die): Avoid generating redundant DIEs for member functions
+ and variables.
+
+Wed Oct 2 11:22:50 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (EXTRA_CONSTRAINT): Loosen conditions for match of
+ 'Q' and 'T' while reload is running.
+ * pa.c (hppa_legitimize_address): Rework to generate more
+ indexed and scaled indexed addressing.
+ * pa.md (scaled indexed store): Add define_splits to undo
+ pessimizations created by hppa_legitimize_address for integer
+ stores.
+
+ * pa.c (remove_useless_addtr_insns): New function.
+ (pa_reorg): Delete code to remove useless add,tr insns.
+ Instead call remove_useless_addtr_insns.
+ (output_function_prologue): Call remove_useless_addtr_insns
+ to catch any add,tr insns created by reorg.
+
+ * pa.c (secondary_reload_class): Remove duplicate/useless code.
+
+ * pa.h (PARSE_LDD_OUTPUT): Handle output from hpux10.20 "chatr".
+
+Tue Oct 1 17:23:32 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dwarf2out.c (text_end_label): New static.
+ (size_of_line_info): The final entry is smaller.
+ (output_aranges): Use TEXT_SECTION instead of TEXT_BEGIN_LABEL and
+ text_end_label instead of TEXT_END_LABEL.
+ (gen_compile_unit_die): Likewise.
+ (output_line_info): Likewise. Use a fixed advance for the last entry.
+ (dwarfout_init): Don't output starting labels.
+ (dwarfout_finish): Set up text_end_label. Don't output ending labels.
+
+ (add_pure_or_virtual_attribute): Don't say pure virtual for now.
+ (type_tag): Handle C++ TYPE_NAME.
+ (gen_formal_parameter_die): Support DW_AT_artificial.
+ (gen_formal_types_die): Do emit the type for 'this'.
+ (gen_member_die): Fix handling of TYPE_METHODS.
+ (gen_decl_die): Do output a DIE for member function declarations.
+ Don't output a DIE for artificial typedefs.
+
+ (add_member_attribute): Remove, not in DWARF-II.
+ (gen_array_type_die): Remove ref to add_member_attribute.
+ (gen_set_type_die, gen_entry_point_die, gen_enumeration_type_die,
+ gen_subprogram_die, gen_variable_die, gen_field_die,
+ gen_pointer_type_die, gen_reference_type_die, gen_ptr_to_mbr_type_die,
+ gen_string_type_die, gen_struct_or_union_type_die,
+ gen_subroutine_type_die, gen_typedef_die): Likewise.
+
+ (get_AT_flag): New fn.
+ (add_src_coords_attributes): Split out...
+ (add_name_and_src_coords_attributes): From here.
+ (gen_subprogram_die): Support DW_AT_declaration and
+ DW_AT_specification.
+
+ (gen_compile_unit_die): Don't emit full pathname for source file;
+ comment claimed that SGI required it, but they don't emit it either.
+ Append -g to producer rather than replacing it.
+
+Tue Oct 1 14:19:23 1996 Jim Wilson <wilson@cygnus.com>
+
+ * gcc.c (used_arg): When call xmalloc for mswitches, pass 1 if
+ n_switches is zero.
+
+Mon Sep 30 17:46:26 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (gen_shl_and, gen_shl_sext): Use gen_lowpart to
+ generate rtx in the appropriate mode for zero/sign-extension.
+ Don't generate a zero bit shift.
+ (gen_shl_sext) Directly use gen_ashift instead of gen_ashrsi3.
+
+Mon Sep 30 17:17:56 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * fixinc.svr4: In math.h, redefine exception to __math_exception
+ for C++, to avoid conflict with <exception>.
+ * fixincludes: Likewise.
+ Fix check for class in math.h to not match fp_class.
+
+Mon Sep 30 17:15:19 1996 Jim Wilson <wilson@cygnus.com>
+
+ * iris6.h (ASM_SPEC): Add -w.
+ (STARTFILE_SPEC): Add mips3 to n32 pathnames.
+ Add -L/usr/lib32/mips for n32 cases.
+ (ENDFILE_SPEC): Add mips3 to n32 pathnames.
+
+Mon Sep 30 13:20:31 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * genopinit.c (gen_insn): Look through the modes in reverse order,
+ to avoid stopping early on CC when EXTRA_CC_MODES is used.
+
+ * fixincludes: Add extern "C" to <sys/mman.h> on HP/UX.
+
+Sun Sep 29 12:39:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * c-typeck.c (pointer_diff): Do not do default conversions when
+ doing the minus expression, in case restype is a short type.
+
+Sun Sep 29 11:22:10 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * tree.c (build_complex): Add new argument, TYPE.
+ * tree.h (build_complex): Likewise.
+ * c-lex.c (yylex): Add new arg, TYPE, to call to build_complex.
+ * fold-const.c (const_binop): Likewise.
+ (fold, case CONJ_EXPR, COMPLEX_EXPR): Likewise.
+ * varasm.c (copy_constant, case COMPLEX_CST): Likewise.
+ * expr.c (expand_expr, case COMPONENT_REF): Don't try to directly
+ load a complex.
+ * recog.c (register_operand): Don't reject subreg of complex mode.
+ * emit-rtl.c (mark_user_reg): New function.
+ * function.c (assign_parms): Use it.
+ * stmt.c (expand_decl): Likewise, and simplify code.
+
+ * tree.c (contains_placeholder): Return 1 for PLACEHOLDER_EXPR.
+
+ * expr.c (store_expr): memset/bzero gets ptr_mode, not Pmode.
+
+ * stmt.c (expand_asm_operands): Fix errors in previous patches.
+
+ * x-linux: Simplify, but ensure headers aren't changed.
+
+ * getpwd.c: No longer include direct.h for _WIN32.
+
+ * configure (i[3456]86-*-isc*): Remove bogus echo.
+ (m68k-apple-aux*): a-ux.h renamed from aux.h.
+ (CC): Escape "$" char in "no-symlink" case for bash/cygwin32 bug.
+
+ * Makefile.in (installdirs): Renamed from install-dir.
+ Create $(prefix) and $(exec_prefix) if doesn't exist.
+ (install-float): Reflect new name for installdirs.
+ (install-{common,info,man,libgcc,multilib,libobjc}): Likewise.
+ (install-{include-dir,assert-h,collect2}): Likewise.
+
+ * reload1.c (gen_reload): Handle SUBREG in PLUS specially too.
+ Change calls to emit_move_insn to recursive calls.
+
+ * stmt.c (fixup_gotos): When running undefined labels, if no cleanup
+ actions for this block, don't clear BEFORE_JUMP.
+
+Fri Sep 27 13:48:21 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * c-decl.c (init_decl_processing): Create short int types before
+ creating size_t in case a machine description needs to use
+ unsigned short for size_t.
+
+Fri Sep 27 12:28:54 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * gcc.c (do_spec_1): Allow -A in %[Spec].
+
+ * i386.h (CPP_CPU_SPEC): New. Added for defining the submodel.
+
+ * i386.c (asm_output_function_prefix, function_prologue,
+ ix86_expand_prologue): Make the routine that sets the GOT (when pic
+ is enabled) a function, to assist debugging.
+
+ * i386.md (gen_prologue_get_pc): Call the function created above.
+ (divdf3): Added.
+
+ * i386/dgux.h (CPP_PREDEFINES, CPP_SPEC): Reference CPP_CPU_SPEC.
+ Use svr4 assembler directive .backalign instead of .align.
+ (align to x bytes if it takes no more than y bytes to do so.)
+
+ * i386/{aix386ng.h,dgux.h} (CPP_SPEC): Use %[cpp_cpu].
+ * i386/{freebsd-elf,gas,isc,linux-aout}.h: Likewise.
+ * i386/{linux-oldld,linux,osfelf,osfrose,sco,sco4}.h: Likewise.
+ * i386/{sco4dbx,sco5,sol2,sysv3}.h: Likewise.
+
+Thu Sep 26 17:58:34 1996 Torbjorn Granlund <tege@matematik.su.se>
+
+ * m68k.md (mulsidi3 matcher): Change predicate const_int_operand
+ to const_sint32_operand. Get rid of bogus range condition.
+
+Thu Sep 26 17:12:00 1996 Jim Wilson <wilson@cygnus.com>
+
+ * Makefile.in (stmp-int-hdrs): Don't cd to srcdir before copying
+ header files to objdir.
+
+Wed Sep 25 21:22:57 1996 Jeffrey A Law (law@cygnus.com)
+
+ * h8300.h (FIRST_PSEUDO_REGISTER): Bump up by one.
+ (ARG_POINTER_REGNUM): Likewise.
+ (FIXED_REGISTERS): Add entry for MAC register.
+ (CALL_USED_REGISTERS< REG_ALLOC_ORDER): Likewise.
+ (HARD_REGNO_NREGS): Handle MAC register.
+ (HARD_REGNO_MODE_OK< REGNO_OK_FOR_BASE_P): LIkewise.
+ (REGISTER_NAMES): Likewise.
+ (enum reg_class): New MAC_REGS register class.
+ (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Corresponding changes.
+ (REG_CLASS_FROM_LETTER): LIkewise.
+ (REGISTER_MOVE_COST): Make copies to/from the MAC register
+ expenseive.
+ (CONDITIONAL_REGISTER_USAGE): Define.
+ * h8300.md (movsi_h8300hs): Renamed from movsi_h8300h.
+ Handle moves to/from the MAC register.
+ (mac): Two new patterns to use the mac instruction.
+
+ * h8300.c (notice_update_cc): Fix CC_SET case.
+ (restore_compare_p): Remove unused function.
+ * h8300.md: Handle "set" vs "set_zn_c0" correctly.
+ (bCC patterns): No longer need to call restore_compare_p.
+
+ * h8300.c (get_shift_alg): Fix HImode ASHIFTRT by 13 or 14 bits.
+
+Wed Sep 25 18:52:19 1996 Joern Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md (insv): New pattern.
+
+Wed Sep 25 16:47:26 1996 Doug Evans <dje@seba.cygnus.com>
+
+ * sparc/t-sunos41 (MULTILIB_{OPTIONS,DIRNAMES,MATCHES}): Create
+ multilib versions of -fpic and -fPIC.
+ (TARGET_LIBGCC2_CFLAGS): Comment out.
+
+ * sparc.c (print_operand): Handle new codes H/L.
+ * sparc.md (lo_sum_di_sp32): Add little endian support.
+ (adddi3_sp32,subdi3_sp32,mulsidi3_sp32,const_mulsidi3): Likewise.
+ (umulsidi3_sp32,const_umulsidi3,smacdi,umacdi,anddi3_sp32): Likewise.
+ (iordi3_sp32,xordi3_sp32,negdi2_sp32): Likewise.
+
+Wed Sep 25 15:32:35 1996 Jim Wilson <wilson@cygnus.com>
+
+ * expmed.c (store_bit_field): Don't make flag_force_mem disable insv
+ for memory operands.
+
+ * function.c (instantiate_decl): Always store addr back into x.
+
+Tue Sep 24 19:37:00 1996 Jim Wilson <wilson@cygnus.com>
+
+ * reload.c (push_secondary_reload): Do strip paradoxical SUBREG
+ even if reload_class is CLASS_CANNOT_CHANGE_SIZE. Change reload_mode
+ to mode in SECONDARY_MEMORY_NEEDED and get_secondary_mem calls.
+
+ * reload1.c (emit_reload_insns): For output part of RELOAD_OTHER,
+ emit after RELOAD_FOR_OUTPUT, in reverse order of reload number,
+ but not separately.
+
+Tue Sep 24 18:13:07 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * expr.c (emit_group_load): Allow target to be smaller than source.
+
+Tue Sep 24 17:40:39 1996 Doug Evans <dje@cygnus.com>
+
+ * m68k/a-ux.h: Renamed from aux.h because of MSDOS.
+
+Tue Sep 24 08:33:53 1996 David S. Miller (davem@caip.rutgers.edu)
+
+ * tree.c (copy_node): Fix error in last change.
+
+Tue Sep 24 08:29:03 1996 James G. Smith <jsmith@cygnus.co.uk>
+
+ * gcc.c (used_arg): Fix multilib_matches parsing to not corrupt
+ entry parameter.
+
+Tue Sep 24 08:22:18 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * loop.c (get_condition): Use rtx_equal_p to compare rtx.
+
+Tue Sep 24 08:14:01 1996 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
+
+ * integrate.c (expand_inline_function): Avoid creating paradoxical
+ subreg wider than BITS_PER_WORD as inlined function result.
+
+Tue Sep 24 08:00:15 1996 Paul Eggert <eggert@twinsun.com>
+
+ * cccp.c (struct directive, directive_table, handle_directive):
+ pass_thru now 1 for #define and 2 for #pragma.
+ (handle_directive): When deciding whether to suppress comment at end
+ of directive, ignore tabs and spaces after comment. Remove redundant
+ limit test. With -dD -C, copy comment when isolating definition.
+ (skip_to_end_of_comment): With -C, don't copy newline at end
+ of C++ comment.
+
+ * fixinc.ptx, fixinc.svr4, fixincludes: Insert newlines just before
+ end of 'sed' command strings if last 'sed' command is 'a' or 'i'.
+
+Tue Sep 24 07:28:58 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * toplev.c (PREFERRED_DEBUGGING_TYPE): If no debugging formats are
+ supported, set to NO_DEBUG.
+ (main): Don't do setting of PREFERRED_DEBUGGING_TYPE here.
+
+Mon Sep 23 22:45:15 1996 Sean McNeil <sean@mcneil.com>
+
+ * rs6000/vxppc.h, sparc/vxsim.h: New files.
+ * configure (powerpc-*-vxworks*, sparc-*-vxsim*): New targets.
+ * objc/objc.h (BOOL): Define BOOL as int for VxWorks.
+
+Mon Sep 23 21:23:27 1996 Klaus K"ampf (kkaempf@progis.de)
+
+ * explow.c (promote_mode, case REFERENCE_TYPE): New case.
+
+Mon Sep 23 21:15:43 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * c-decl.c (finish_struct): Check PCC_BITFIELD_TYPE_MATTERS value.
+
+ * dbxout.c (dbxout_symbol): Fix forgotten case in last change:
+ check DECL_ARTIFICIAL also when using the short cut way.
+
+Mon Sep 23 15:55:24 1996 David S. Miller (davem@caip.rutgers.edu)
+
+ * tree.c (copy_node): Abort if don't know size of node.
+
+ * tree.c (build1): Clean up initialization of OBSTACK.
+
+Mon Sep 23 15:35:33 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * Makefile.in (stmp-multilib): Depend on $(LANG_LIB2FUNCS).
+
+ * dbxout.c (dbxout_function): Don't check DECL_SECTION_NAME before
+ calling dbxout_function_end.
+
+Mon Sep 23 14:41:12 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * combine.c (can_combine_p): Even if SMALL_REGISTER_CLASSES,
+ know lifetime not extended if all_adjacent set.
+
+ * stmt.c (expand_asm_operands): Handle '+' constraint.
+ * cse.c (fold_rtx): Fold inside ASM_OPERANDS.
+
+ * expr.c (expand_increment): If postincrement for MEM can't use add
+ directly, load address in reg and enqueue increment and store of reg.
+
+ * loop.c (check_dbra_loop): Don't assume label must be second part of
+ if_then_else in condjump.
+
+ * jump.c (jump_optimize): In no-nop move deletion, don't
+ test PRESERVE_DEATH_INFO_REGNO_P; instead test if optimization is
+ performed.
+ Check for REG_UNUSED note on to-be deleted insn before searching for
+ preceding instruction to delete note from.
+ If PRESERVE_DEATH_INFO_REGNO_P is true for SREG, replace INSN with USE.
+
+ * reload1.c (reload): Initialize the previous_offset fields
+ in reg_eliminate before calling setup_save_areas.
+
+ * reload1.c (emit_reload_insns): Declare and set this_reload_insn.
+
+ * expr.c (var_rtx): New function.
+ (expand_expr, case COND_EXPR): Also use target if same as singleton.
+
+Mon Sep 23 14:22:34 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * recog.c (constrain_operands): Don't test clobbered constraints.
+
+ * reload1.c (emit_reload_insns): For output part of RELOAD_OTHER,
+ put in front of anything previous for that output, but not separately.
+
+Sun Sep 22 21:06:46 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * c-common.c (decl_attribtes, case A_SECTION): Allow for static
+ local variable.
+
+Sun Sep 22 11:30:27 1996 Christian Iseli (christian.iseli@di.epfl.ch)
+
+ * expr.c (convert_move): Replace explicit checks for FP extend ops
+ with use of can_extend_p.
+ Add missing tests for FP trunc operations.
+
+Sun Sep 22 11:20:02 1996 Pat Rankin <rankin@eql.caltech.edu>
+
+ * dwarfout.c (DWARF_VERSION): Define as 1 if not already defined.
+ * dwarf2out.c (DWARF_VERSION): Likewise.
+
+Sun Sep 22 11:12:20 1996 Joern Rennecke <amylaar@cygnus.co.uk>
+
+ * c-decl.c (pushdecl): Check new declaration actually conflicts before
+ warning about implicit external vs. static declarations.
+
+ * loop.c (combine_givs): Improve combining DEST_REG giv with
+ its only use.
+
+Sun Sep 22 10:50:03 1996 Scott Christley <scottc@net-community.com>
+
+ * Create consistent mechanism for memory allocation and release
+ so that garbage collection routines can be easily subsititued
+ for the ANSI standard malloc, realloc, free, etc.
+ * objc/archive.c: Replace use of __objc_xmalloc and free
+ with objc_malloc and objc_free.
+ * objc/hash.c: Replace use of __objc_xcalloc and free
+ with objc_calloc and objc_free.
+ * objc/init.c: Replace use of free with objc_free.
+ * objc/misc.c (objc_malloc): Renamed from __objc_xmalloc.
+ (objc_realloc): Renamed from __objc_realloc.
+ (objc_atomic_malloc): New function.
+ (objc_valloc): New function.
+ (objc_calloc): Renamed from __objc_calloc.
+ (objc_free): New function.
+ * objc/objc-api.h (_objc_malloc): New function pointer.
+ (_objc_atomic_malloc, _objc_valloc): Likewise.
+ (_objc_realloc, _objc_calloc, _objc_free): Likewise
+ * objc/objc-list.h: Replace use of __obj_xmalloc and free
+ with objc_malloc and objc_free.
+ * objc/objects.c: Likewise.
+ * objc/sarray.c: Replace use of __objc_xmalloc and free
+ with objc_malloc and objc_free.
+ * objc/sarray.h (__objc_xmalloc, __objc_xrealloc): Delete.
+ * objc/selector.c: Replace use of __objc_xcalloc, __objc_xrealloc,
+ and __objc_xmalloc with objc_calloc, objc_realloc, and objc_malloc.
+ * objc/thr-decosf1.c: Replace use of __objc_xmalloc and free
+ with objc_malloc and objc_free.
+ * objc/thr-irix.c, objc/thr-mach.c, objc/thr-os2.c: Likewise.
+ * objc/thr-posix.c, objc/thr-pthreads, objc/thr-single: Likewise.
+ * objc/thr-solaris.c, objc/thr-win32.c, objc/thr.c: Likewise.
+
+Sun Sep 22 05:26:01 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * configure: Set up LANG_LIB2FUNCS and LANG_EXTRA_HEADERS.
+ * Makefile.in (libgcc2.a): Include LANG_LIB2FUNCS.
+ (USER_H): Add LANG_EXTRA_HEADERS.
+ (LANG_LIB2FUNCS): New macro.
+ (LANG_EXTRA_HEADERS): New macro.
+ (stmp-int-hdrs): Don't hardwire ginclude.
+ (stamp-objlist): Don't depend on Makefile.
+
+Sat Sep 21 18:00:10 1996 Stephen L Moshier (moshier@world.std.com)
+
+ * alpha.md (alpha_swapped_comparison_operator pattern): Fix asm
+ operand typo in last change.
+
+Sat Sep 21 07:11:51 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * defaults.h (ASM_OUTPUT_LABELREF): Provide default definition
+ if not already defined.
+ * 1750a.h (USER_LABEL_PREFIX): Define instead of ASM_OUTPUT_LABELREF.
+ * a29k.h, alpha.h, convex.h, dsp16xx.h, elxsi.h, fx80.h: Likewise.
+ * gmicro.h, h8300.h, i386/sun386.h, i860.h, i960.h, ns32k.h: Likewise.
+ * pdp11.h, pyr.h, romp.h, sh.h, sparc.h, spur.h, tahoe.h: Likewise.
+ * vax.h, we32k.h: Likewise.
+ * i386/att.h (USER_LABEL_PREFIX): Redefine, not ASM_OUTPUT_LABELREF.
+ * i386/bsd.h, i386/lynx.h, i386/sco5.h, i860/fx2800.h: Likewise.
+ * m68k/3b1.h, m68k/mot3300.h, m68k/tower-as.h, m68k/tower.h: Likewise.
+ * ptx4.h, sparc/pbd.h, svr3.h, svr4.h: Likewise.
+ * i386/osfrose.h, m88k.h (USER_LABEL_PREFIX): Redefine.
+ * nextstep.h (USER_LABEL_PREFIX): Redefine.
+ (ASM_OUTPUT_LABELREF) Use USER_LABEL_PREFIX.
+ * arm/aout.h, mips.h (ASM_OUTPUT_LABELREF): Delete.
+ * rs6000/lynx.h (USER_LABEL_PREFIX): Undefine.
+ * rs6000.h, rs6000/win-nt.h (USER_LABEL_PREFIX): Define.
+
+Thu Sep 19 00:05:53 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * configure: Move i[3456]86-*-gnu* case after linux and don't
+ treat linux-gnu like other gnu systems.
+
+Wed Sep 18 20:51:09 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * cplus-dem.c (demangle_template): Fix handling of address args.
+ (gnu_special): Handle type_info stuff.
+
+Wed Sep 18 17:57:55 1996 Patrik Lantto (patrik@opq.se)
+
+ * jump.c (jump_optimize): Insert conditional move after jump
+ insn instead of before.
+
+Wed Sep 18 17:33:36 1996 Richard Henderson <rth@tamu.edu>
+
+ * alpha.h (PREDICATE_CODES): Add alpha_swapped_comparison_operator.
+ * alpha.c (alpha_swapped_comparison_operator): New function.
+ (print_operand): Support unsigned codes for %D, %c, and %d.
+ * alpha.md: Add pattern for b%c with swapped comparisons with 0.
+ Delete three unnamed cmp patterns that are strict subsets of it.
+
+ * alpha.c (alpha_emit_set_long_const): Save one instruction
+ when -O2 and high word == low word.
+
+Tue Sep 17 22:46:15 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * i386/unix.h (ASM_OUTPUT_MI_THUNK): Handle functions
+ returning an aggregate.
+
+ * varasm.c (supports_one_only): New function.
+ (make_decl_one_only): Likewise.
+ * svr4.h (MAKE_DECL_ONE_ONLY): Define.
+ * tree.h (DECL_ONE_ONLY): New macro.
+
+ * varasm.c (assemble_variable): Fix setting of
+ first_global_object_name.
+ (assemble_start_function): Likewise.
+
+Tue Sep 17 19:42:39 1996 Doug Evans <dje@wabamun.cygnus.com>
+
+ * i386/t-cygwin32 (winnt.o): Compile properly.
+
+Tue Sep 17 15:47:20 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * Add support for VR5000, and finish MIPS4 support.
+ * mips.h (enum processor_type): Add PROCESSOR_R5000.
+ (gen_conditional_move): Declare.
+ (CONDITIONAL_REGISTER_USAGE): Mark ST_REGS as fixed if not
+ HARD_FLOAT, or if mips_isa < 4.
+ (FIRST_PSEUDO_REGISTER): Change to 76.
+ (FIXED_REGISTERS): Add condition code registers.
+ (CALL_USED_REGISTERS): Likewise.
+ (ST_REG_LAST): Change to 74.
+ (RAP_REG_NUM): Change to 75.
+ (ST_REG_P): Look for any condition code register.
+ (REG_CLASS_CONTENTS): Update for new condition code registers.
+ (RTX_COSTS): Add cases for R5000.
+ (REGISTER_MOVE_COST): Add cases for condition code registers.
+ (PREDICATE_CODES): Add "const_float_1_operand".
+ (EXTRA_CC_MODES): Remove.
+ (EXTRA_CC_NAMES): Remove.
+ (SELECT_CC_MODE): Remove.
+ (REGISTER_NAMES): Add entries for new condition code registers.
+ (DEBUG_REGISTER_NAMES): Likewise.
+ (ADDITIONAL_REGISTER_NAMES): Remove FPSW_REGNUM.
+ * mips.md (cpu attribute): Add R5000.
+ (function units): Add cases for the R5000.
+ (madd.d): Only available if TARGET_DOUBLE_FLOAT.
+ (msub.d, nmadd.d, nmsub.d): Likewise.
+ (recip.d, recip.s, rsqrt.d, rsqrt.s): New define_insn patterns.
+ (movcc): New pattern to move condition code values.
+ (reload_incc, reload_out_cc): New define_expand patterns.
+ (lwxc1, ldxc1, swxc1, sdxc1): Several new define_insn patterns.
+ (various): Replace CC_FP with CC.
+ (branch_fp_ne, branch_fp_eq): Match any condition code register.
+ (branch_fp_ne_rev, branch_fp_eq_rev): Remove.
+ (seq_df, slt_df, sle_df): Match any condition code register.
+ (sgt_df, sge_df, seq_sf, slt_sf, sle_sf): Likewise.
+ (sgt_sf, sge_sf): Likewise.
+ (sne_df, sne_sf): Remove.
+ (FP conditional moves): Match any condition code register.
+ Require TARGET_HARD_FLOAT and, if appropriate,
+ TARGET_DOUBLE_FLOAT.
+ (movsicc): Just call gen_conditional_move.
+ (movdicc, movsfcc, movdfcc): New define_expand patterns.
+ * mips.c (mips_reg_names): Add condition code registers.
+ (mips_sw_reg_names): Likewise.
+ (mips_regno_to_class): Likewise.
+ (const_float_1_operand): New function.
+ (mips_move_1word): Treat CCmode as SImode. Handle move from
+ ST_REG to GR_REG if mips_isa >= 4. Only permit move from GR_REG
+ to ST_REG is mips_isa < 4.
+ (gen_conditional_branch): Rewrite. Just use CCmode, not extra
+ condition modes.
+ (gen_conditional_move): New function.
+ (override_options): Recognize vr5000. Look for just CCmode, not
+ extra condition modes. If mips_isa >= 4, permit CCmode in GR_REGS
+ and FP_REGS.
+ (print_operand): Handle %Z.
+ (mips_secondary_reload_class): Require a data register to copy a
+ value out of a condition code register. Require a floating point
+ register to copy a value into a condition code register.
+
+Tue Sep 17 15:10:29 1996 Joern Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.md: New define_splits to recombine output from LEGITIMIZE_ADDRESS.
+ * sh.h (LEGITIMIZE_ADDRESS): Typo fixes (x -> X).
+
+Mon Sep 16 23:00:35 1996 Jim Wilson <wilson@cygnus.com>
+
+ * configure (build_broken_install): Renamed from host_broken_install.
+ Set from build not host.
+ (build_install_headers): Renamed from host_install_headers. Set from
+ build not host.
+
+Mon Sep 16 22:38:55 1996 Stu Grossman (grossman@critters.cygnus.com)
+
+ * configure (m68k-*-coff*): Use dbx debug format by default.
+ * gcc.c (link_command_spec): Move -T to end of link command line.
+ * m68k/m68kemb.h (LINK_SPEC, SUBTARTGET_SWITCHES): Delete.
+ (LIB_SPEC): Define to just -lc.
+ (STARTFILE_SPEC): Define to empty.
+
+Mon Sep 16 13:12:27 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.c (ext_shift_insns, ext_shift_amounts): new arrays.
+ (gen_ashift_hi, gen_shifty_hi_op, shl_and_kind): new functions.
+ rtx_equal_function_value_matters: declare.
+ (shl_and_length, shl_and_src_length, gen_shl_and): new functions.
+ (shl_sext_kind, shl_sext_length, gen_shl_sext): new functions.
+ * sh.md (ashlhi3_k, lshrhi3_m): new insn pattern.
+ (lshrhi3, shl_sext_ext, shl_sext_sub):
+ new insn pattern with matching define_split.
+ (and_shl_scratch): Likewise, but also with unnamed variants.
+
+Sat Sep 14 17:05:07 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * gcc.c (convert_filename): Don't start looking for '.' until
+ after last directory separator.
+
+ * i386.md (clrstrsi): Correct check for constant size.
+
+ * Based on code by sac@cygnus.com.
+ * i386/cygwin32.h (CHECK_STACK_LIMIT): Make consistent with MD file.
+ * i386.c ({function,ix86_expand}_prologue): Use __alloca to allocate
+ stack if desired and beyond CHECK_STACK_LIMIT in size.
+ * i386.h ({MASK,TARGET}_STACK_PROBE): New macros.
+ (TARGET_SWITCHES): Add -mstack-arg-probe.
+ * i386.md (allocate_stack{,_worker}): New patterns.
+
+Fri Sep 13 18:23:18 1996 Joel Sherrill <joel@OARcorp.com>
+
+ * sparc/lb1spc.asm (.div, .rem): Fixed typo so sign is returned
+ correctly. TOPBITS was 2 and should have been 4.
+
+Thu Sep 12 21:51:56 1996 Jim Wilson <wilson@cygnus.com>
+
+ * mips.md (call_value_multiple_internal0): Change from define_insn to
+ define_expand.
+
+Thu Sep 12 19:22:14 1996 Doug Evans <dje@seba.cygnus.com>
+
+ * sparc.md (move_pic_label_si): Operand one is label_ref now.
+ * sparc.c (emit_move_sequence): Pass label_ref to
+ gen_move_pic_label_si to not lose flags.
+
+Wed Sep 11 12:10:08 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * Makefile.in (GCC_PASSES): Add $(exeext) to names.
+ (FLAGS_TO_PASS): Add CLIB.
+ (c-pragma.o): Add dependencies on except.h, function.h, defaults.h.
+
+Tue Sep 10 22:25:03 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * configure (i[3456]86-*-cygwin32): Use xm-cygwin32.h and xm-i386.h.
+ Set fixincludes to Makefile.in and objc_thread_file to win32.
+ * i386/xm-cywin32.h: Don't include xm-i386.h.
+ * i386/x-cygwin32, rs6000/x-cygwin32 (STMP_FIXPROTO, exeext): New defs.
+
+ * gcc.c (HAVE_EXECUTABLE_SUFFIX): New macro.
+ (convert_filename): New function.
+ (process_command, case 'o'): Call it.
+ (process_command, default case): Likewise; delete old code.
+
+Tue Sep 10 21:08:43 1996 Torbjorn Granlund <tege@albert.gnu.ai.mit.edu>
+
+ * i386.md (decrement_and_branch_until_zero matcher): Fix typo.
+
+Tue Sep 10 19:04:19 1996 Jim Wilson <wilson@cygnus.com>
+
+ * mips.c (mips_move_2words): Rewrite 32 bit shifts as 16 bit shifts.
+
+Tue Sep 10 10:39:07 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa/pa-gas.h (DBX_DEBUGGING_INFO): Remove all #define
+ and #undef statements related to debugging information.
+ * pa/pa-hpux.h, pa-hpux7.h: Likewise
+ * pa.c (override_options): Disable "-g" and issue a warning
+ if it's used when !TARGET_GAS.
+
+Mon Sep 9 17:57:49 1996 Doug Evans <dje@wabamun.cygnus.com>
+
+ * sparc.h ({MASK,TARGET}_FPU_SET): Define.
+ (TARGET_SWITCHES): Record if -m{,no-}fpu passed.
+ * sparc.c (sparc_override_options): Don't clobber explicit
+ -m{,no-}fpu setting with cpu default.
+
+Mon Sep 9 15:57:57 1996 Joel Sherrill <joel@OARcorp.com>
+
+ * configure (mips64orion-*-rtems*): New target.
+ * mips/rtems64.h: New file.
+
+Sat Sep 7 22:07:53 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * expr.c (store_field): If storing a record on big endian targets,
+ set up so we store the high-order bits.
+ (expand_expr, case COMPONENT_REF): Likewise for loads.
+
+Thu Sep 5 14:59:47 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * sh.h (LEGITIMIZE_ADDRESS): Define nonempty.
+
+Thu Sep 5 10:43:36 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (movsi, movdi, movsf patterns): Handle
+ 'R' constraints as needed.
+
+Wed Sep 4 17:13:28 1996 Bob Manson <manson@charmed.cygnus.com>
+
+ * except.c: (add_partial_entry): New routine.
+ (expand_start_try_stmts): Moved from cp/except.c.
+ (expand_start_all_catch): Move functionality of expand_end_try_stmts
+ here.
+
+Wed Sep 4 12:30:02 1996 Mike Stump <mrs@cygnus.com>
+
+ * except.c (emit_unwinder): Ensure that CLOBBER and USE insns come
+ last, if present.
+
+Tue Sep 3 12:01:43 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * configure (sh-*-elf*): New target.
+ * sh/elf.h: New file.
+
+Fri Aug 30 17:52:26 1996 Jim Wilson <wilson@cygnus.com>
+
+ * dwarf2out.c (gen_formal_types_die): Delete extra argument from
+ gen_type_die call.
+
+Fri Aug 30 15:40:40 1996 James G. Smith <jsmith@cygnus.co.uk>
+
+ * mips/elf64.h: Allow MULTILIB_DEFAULTS to be defined
+ before this file is included.
+
+Fri Aug 30 15:00:06 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.md: (movsicc,movhicc): Allow reload from memory.
+
+ * i386.c (override_options): Don't thread the prologue if profiling.
+
+Fri Aug 30 15:00:06 1996 James Hawtin <cgjwh@sunrise.co.uk>
+
+ * i386/t-sol2 (gcrt1.o): Added for profiling Solaris 2
+ * i386/sol2.h (STARTFILE_SPEC): New.
+ * i386/gmon-sol2.c, i386/sol2-gc1.asm: New files.
+
+Thu Aug 29 22:08:03 1996 Jim Wilson <wilson@cygnus.com>
+
+ * except.c (add_eh_table_entry): Multiply realloc size by sizeof int.
+
+Thu Aug 29 15:15:31 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa.md (fcmp patterns): Don't try to eliminate useless add,tr
+ insns here.
+ * pa.c (pa_reorg): Do elimination of useless add,tr insns here instead.
+ (print_operand, case 'y'): Remove this code.
+
+Wed Aug 28 16:19:34 1996 Doug Evans <dje@cygnus.com>
+
+ * toplev.c (print_single_switch): Ultrix fprintf returns 0 for success.
+
+ * toplev.c (main): Rewrite -g parsing.
+
+Mon Aug 26 16:15:49 1996 Fred Fish <fnf@cygnus.com>
+
+ * Makefile.in (objc-parse.y): Fix typo in name of temp file.
+
+Mon Aug 26 14:08:37 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * function.c (mark_all_temps_used): Fix error in last change.
+
+Sun Aug 25 22:27:19 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * function.c (mark_all_temps_used): New function.
+
+Fri Aug 23 11:34:57 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Fixes to make -fPIC
+ really the same as -mrelocatable.
+ (ASM_SPEC): Pass -K PIC to the assembler if -fpic/-fPIC.
+
+ * rs6000/sol2.h (ASM_CPU_SPEC): Remove passing -K PIC to the
+ assembler if -fpic/-fPIC.
+
+ * bi-{arity,opcode,opname}.c (fancy_abort): Define, so that
+ -Dabort=fancy_abort works again.
+
+Thu Aug 22 11:39:34 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/t-ppcgas ({stmp,install}-crt): Only build and install the
+ eabi ecrt[in].o object files in eabi multilib directories, only
+ build and install the solaris scrt[in0].o object files in solaris
+ directories.
+ (MULTILIB_MATCHES): Remove matches for solaris, linux to other
+ switches.
+
+Tue Aug 20 18:49:55 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/sysv4.h (ASM_OUTPUT_SECTION_NAME): If -mrelocatable or
+ -mrelocatable-lib, don't make read-only sections, since if there
+ are pointers to be fixed up, the assembler complains.
+
+Mon Aug 19 18:42:13 1996 Doug Evans <dje@cygnus.com>
+
+ * sparc.h ({MASK,TARGET}_LITTLE_ENDIAN): Define.
+ (LIBGCC2_WORDS_BIG_ENDIAN): Add little endian support.
+ * sparc/sp64-elf.h ({CPP,ASM,LINK}_SPEC): Add little endian support.
+ (SUBTARGET_SWITCHES): Recognize -m{big,little}-endian.
+ ({BYTES,WORDS}_BIG_ENDIAN): Likewise.
+ * sparc/splet.h (SUBTARGET_SWITCHES): Recognize -m{big,little}-endian.
+ ({CPP,ASM,LINK}_SPEC): Add little endian support.
+ ({BYTES,WORDS}_BIG_ENDIAN): Likewise.
+ * sparc/t-splet (MULTILIB_{OPTIONS,DIRNAMES}): Likewise.
+
+ * sparc/lynx-ng.h (CPP_SPEC): Use %(cpp_cpu).
+
+Sat Aug 17 15:23:39 1996 Geoffrey Noer <noer@cygnus.com>
+
+ * i386/cygwin32.h (CPP_PREDEFINES): Define _WIN32, not WIN32.
+ Define only __CYGWIN32__, not CYGWIN32 or __CYGWIN32.
+ * rs6000/cygwin32.h (CPP_PREDEFINES): Likewise.
+ * cccp.c (absolute_filename): Drive specifiers make the pathname
+ absolute in cygwin32.
+ * choose-temp.c: Delete !defined(_WIN32) condition when including
+ sys/file.h (NO_SYS_FILE_H is still used).
+ * gcc.c: Change ifndef _WIN32 to ifndef NO_SYS_FILE_H when deciding
+ whether to include sys/file.h.
+ (execute): -pipe is supported for cygwin32.
+ * getopt.c: Change win32 test from WIN32 to _WIN32.
+ * pexecute.c: Update test for win32 (&& ! cygwin32).
+ * protoize.c: Likewise.
+ (kill): Delete decl.
+ * toplev.c: Update test for win32 (&& ! cygwin32).
+ * ginclude/stdarg.h: Change __WIN32__ to _WIN32.
+ * ginclude/varargs.h: Likewise.
+ * ginclude/va-ppc.h: Likewise.
+
+Fri Aug 16 16:02:09 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.c (rs6000_got_register): Make sure pic_offset_table_rtx
+ allocated, even if current_function_uses_pic_offset_table set.
+
+Fri Aug 16 15:56:04 1996 J. Kean Johnston <hug@netcom.com>
+
+ * i386/sco5.h (CLASS_LIKELY_SPILLED_P): Deleted.
+ (STARTFILE_SPEC): Insert crtbegin.o in correct place, and correct
+ versions of values-X?.o.
+ (SWITCH_TAKES_ARG): Extend DEFAULT_SWITCH_TAKES_ARG, not replace.
+ (CPP_SPEC): Add -Di386, and correctly include extra directories.
+ Define HAVE_ATEXIT in ELF mode for global destructors.
+
+Thu Aug 15 16:42:44 1996 Doug Evans <dje@cygnus.com>
+
+ * sparc.c (label_ref_operand): New function.
+ (emit_move_sequence): Pass label_ref to gen_move_label_di to not
+ lose flags.
+ * sparc.md (move_label_di): Operand one is label_ref now.
+ * genattrtab.c (write_test_expr): Allow label_ref in match_dup.
+
+ * sys-protos.h (gethostid): Make return type `int' ifdef __alpha__.
+ * gen-protos.c: Delete support for SYS_PROTO_OVERRIDES.
+ * alpha.h (SYS_PROTO_OVERRIDES): Delete.
+
+Thu Aug 15 17:36:09 1996 Mike Stump <mrs@cygnus.com>
+
+ * libgcc2.c (__throw): New routine.
+ (__eh_pc): New data object for exception handling.
+
+ * except.c (eh_saved_pc): New object so we can call
+ assemble_external.
+ (expand_internal_throw_indirect): Call assemble_external for __eh_pc.
+ (end_eh_unwinder): Likewise.
+ (init_eh): Initialize eh_saved_pc.
+
+Thu Aug 15 13:02:42 1996 Mike Stump <mrs@cygnus.com>
+
+ * arm.h (RETURN_ADDR_RTX): Define.
+
+ * expr.c (expand_builtin_return_addr): Fix order of parameters.
+
+Wed Aug 14 19:48:00 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu>
+
+ * stmt.c (expand_return): In code for doing scc with jumps,
+ stick to default handling if we have corresponding scc pattern.
+
+Wed Aug 14 10:31:28 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (override_options): Treat TARGET_FAST_INDIRECT_CALLS
+ just like TARGET_NO_SPACE_REGS.
+ (output_millicode_call): Likewise.
+ * pa.h (TARGET_FAST_INDIRECT_CALLS): Define.
+ (TARGET_SWITCHES): Add "fast-indirect-calls".
+ * pa.md: Treat TARGET_FAST_INDIRECT_CALLS just like
+ TARGET_NO_SPACE_REGS in various call/millicode call patterns.
+
+ * pa.c (print_operand): Use the right comparison operator
+ for reversed EQ and NE comparisons.
+
+ * pa.h (OUTPUT_MI_THUNK): Define.
+
+Wed Aug 14 11:40:49 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * ginclude/va-ppc.h: Add Windows NT support.
+ * ginclude/{varargs,stdarg}.h: For PowerPC Windows NT, include
+ va-ppc.h, instead of using the default handling.
+
+Tue Aug 13 18:30:10 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * fixincludes: Remove duplicate volatile from sig_atomic_t in AIX
+ sys/signal.h
+
+Tue Aug 13 16:51:37 1996 Jim Wilson <wilson@cygnus.com>
+
+ * i960-coff.h (LIB_SPEC): Undef.
+
+ * sh.h (PROFILE_BEFORE_PROLOGUE): Define.
+
+Tue Aug 13 11:36:02 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * gcc.c (set_spec,process_command): Dump and load the compiler
+ version number in the specs file.
+
+ * rs6000.c (output_toc): Fix last change, so that it doesn't use
+ an uninitialized variable if -mminimal-toc.
+ (output_prolog): Increment probe_labelno after last use.
+
+ * rs6000/t-ppcgas (MULTILIB_*): Build far fewer multilib
+ libraries. Build all libraries with -mrelocatable-lib and
+ -mno-eabi. Build special Linux and Solaris libraries.
+ * rs6000/eabi{,aix,le}.h (MULTILIB_DEFAULTS): Adapt to changes in
+ t-ppcgas.
+ * rs6000/(linux,sol2).h (MULTILIB_DEFAULTS): Ditto.
+ * rs6000/{sysv4,sysv4le} (MULTILIB_DEFAULTS): Ditto.
+
+Tue Aug 13 11:36:02 1996 Jeffrey A Law (law@cygnus.com)
+
+ * rs6000.c (handle_mac_pragma): Initialize "psize".
+
+Mon Aug 12 18:14:35 1996 Jim Wilson <wilson@cygnus.com>
+
+ * gcc.c (used_arg): Initialize cnt to zero.
+
+Mon Aug 12 14:03:16 1996 Jim Wilson <wilson@cygnus.com>
+
+ From Mike Stump:
+ * sh.c (regno_reg_class): Change entry 23 from NO_REGS to GENERAL_REGS.
+ (initial_elimination_offset): New variable live_regs_mask. Add
+ code to handle RETURN_ADDRESS_POINTER_REGNUM.
+ * sh.h (RAP_REG, RETURN_ADDRESS_POINTER_REGNUM): Define.
+ (ELIMINABLE_REGS): Add RETURN_ADDRESS_POINTER_REGNUM support.
+ (RETURN_ADDR_RTX): Define.
+ (REGISTER_NAMES): Add rap.
+
+ * iris5.h (DOLLARS_IN_IDENTIFIERS): Undefine.
+
+ * m68kemb.h (LIB_SPEC): Always emit -lc.
+
+Mon Aug 12 12:30:25 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.c (rs6000_got_register): Test variable
+ current_function_uses_pic_offset_table to see whether or not a GOT
+ register has been created already.
+
+ * Makefile.in (multilib.h): Move to stamp-mlib.
+ (stamp-mlib): Use move-if-change to conditionally update
+ multilib.h. Pass MULTILIB_EXTRA_OPTS to genmultilib.
+ (STAGESTUFF): Add stamp-mlib.
+ (mostlyclean): Delete tmp-mlib.h.
+
+ * genmultilib: Take a fifth argument to add options to pass on to
+ all multilib builds. Restructure output so that we pass the
+ synonym switches and extra arguments separately, and not
+ exponentially slow down genmultilib.
+
+ * gcc.c (toplevel): Rearrange multilib support so that we support
+ passing the synonyms separately from the normal switches. Add
+ support for passing additional switches to be used on all multilib
+ builds. Dump and restore the value of MULTILIB_DEFAULTS so that
+ gcc cover programs for other targets will correctly chose the
+ appropriate multilib directory.
+ (setspec,process_command,main): Ditto
+ (used_arg,default_arg,print_multilib_info): Ditto.
+
+Mon Aug 12 07:46:47 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * expr.c (expand_builtin, case BUILT_IN_SETJMP): Add test
+ and call for nonlocal_goto_receiver pattern.
+ * stmt.c (expand_end_bindings): Likewise.
+
+ * stmt.c (expand_asm_operands): Fix off-by-one error when
+ scanning constraints.
+
+Sun Aug 11 22:48:02 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * expr.c (store_expr): Handle COND_EXPR cleanups like expand_expr.
+
+Sun Aug 11 22:42:36 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * optabs.c (expand_abs): When OP0 and TARGET are the same
+ pseudo register, it is safe to use TARGET.
+
+ * local-alloc.c (reg_equiv_replace): New variable.
+ (update_equiv_regs): Set reg_equiv_replacement for all REG_EQUIV
+ notes encountered or generated.
+
+Sun Aug 11 22:27:14 1996 Scott Christley <scottc@net-community.com>
+
+ * objc/hash.c (hash_is_key_in_hash): Function somehow got lost.
+
+Sun Aug 11 21:43:15 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * ginclude/stddef.h (__need_wint_t): Move #undef to right place.
+
+Sun Aug 11 17:46:22 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
+
+ * c-decl.c (finish_struct): If pedantic, also warn if struct/union
+ has no named members.
+
+Sun Aug 11 17:32:52 1996 Joel Sherrill <joel@OARcorp.com>
+
+ * i386/rtems.h: Renamed from i386/i386-rtems.h
+ * i960/rtems.h: Renamed from i960/i960-rtems.h
+ * m68k/rtems.h: Renamed from m68k/m68k-rtems.h
+ * rs6000/rtems.h: Renamed from rs6000/powerpc-rtems.h
+ * sparc/rtems.h: Renamed from sparc/sparc-rtems.h
+ * config/t-rtems: New file.
+ * configure (i386-*-rtems*): Added t-rtems to tmake_file.
+ Renamed i386/i386-rtems.h to i386/rtems.h.
+ (i960-*-rtems*): Added t-rtems to tmake_file.
+ Renamed i960/i960-rtems.h to i960/rtems.h.
+ Added original tm.h file and dbxcoff.h.
+ (m68k-*-rtems*): Added t-rtems to tmake_file.
+ Renamed m68k/m68k-rtems.h to m68k/rtems.h.
+ (powerpc-*-rtems*): Added t-rtems to tmake_file.
+ Renamed rs6000/powerpc-rtems.h to rs6000/rtems.h.
+ (sparc-*-rtems*): Added t-rtems to tmake_file.
+ Renamed sparc/sparc-rtems.h to sparc/rtems.h.
+
+Fri Aug 9 16:05:13 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.md: (untyped_call) Avoid SIGFPE.
+
+ * i386.c (output_float_compare): Don't try to initialize
+ aggregate local variable; use assignment statements instead.
+
+ * i386.h (RTX_COSTS): rtx_cost should pass two parameters.
+
+ * i386/go32.h (ASM_OUTPUT_SECTION_NAME): New.
+
+Fri Aug 9 16:00:11 1996 Jim Wilson <wilson@cygnus.com>
+
+ * winnt.c (gen_stdcall_suffix): Round parameter size to PARM_BOUNDARY.
+
+Thu Aug 8 17:42:35 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.c (output_toc): If we are emitting a reference to a
+ vtable, don't put in the section name, just use the symbol.
+
+Wed Aug 7 19:03:36 1996 Jim Wilson <wilson@cygnus.com>
+
+ * sh.md (casesi_jump): New pattern.
+ (casesi): Generate RTL to match it.
+
+Wed Aug 7 14:10:07 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * ginclude/stddef.h (NULL): Use __null for G++.
+
+Tue Aug 6 17:37:53 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/sysv4.h (STACK_BOUNDARY): Always define as 64.
+ (ABI_STACK_BOUNDARY): Define as 64/128 based on the -mno-eabi
+ switch.
+
+ * rs6000.c (rs6000_stack_info): Use ABI_STACK_BOUNDARY, not
+ STACK_BOUNDARY. Define ABI_STACK_BOUNDARY as STACK_BOUNDARY #ifndef.
+
+Tue Aug 6 14:29:43 1996 Doug Evans <dje@fallis.cygnus.com>
+
+ * gen-protos.c (overrides): New static local.
+ (add_hash,parse_fn_proto): New static functions.
+ (main): Add prototypes from SYS_PROTO_OVERRIDES to hash table before
+ parsing sys-protos.h. Reserve entry 0 in std_protos.
+ * alpha.h (SYS_PROTO_OVERRIDES): Define.
+
+Mon Aug 5 16:53:36 1996 Doug Evans <dje@fallis.cygnus.com>
+
+ * sparc/t-splet (MULTILIB_OPTIONS): Add mbroken-saverestore.
+ (MULTILIB_DIRNAMES): Add brknsave.
+
+ * stor-layout.c (layout_record): Correct overflow test for 0 sized
+ fields.
+
+Mon Aug 5 16:12:19 1996 Jim Wilson <wilson@cygnus.com>
+
+ * alpha.c (alpha_output_filename): When emitting stabs, don't
+ disable them if using GNU as.
+ (alpha_output_lineno): Likewise, when not using GNU as.
+
+ * sh.c (arith_reg_operand): Reject SUBREG of an invalid hard reg.
+
+ * sparc/lite.h (aoutos.h): Don't include it.
+ * configure (sparclite-*-aout*): Add aoutos.h to tm_file.
+
+Sat Aug 3 23:13:55 1996 Jeffrey A Law (law@cygnus.com)
+
+ * combine.c (rtx_equal_for_field_assignment_p): Check for
+ get_last_value returning (CLOBBER (CONST_INT 0)).
+
+Sat Aug 3 20:19:14 1996 Jim Wilson <wilson@cygnus.com>
+
+ * i960.md (subsi3+1): Handle case where first operand is constant
+ but second operand is not.
+
+ * m68k/vxm68k.h (WCHAR_TYPE_SIZE): Undef, then define to 16.
+
+Fri Aug 2 15:46:19 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa/pa-hpux.h (LINK_SPEC): Don't link in PA1.1 specific
+ libraries when creating shared libraries.
+ * pa/pa-hpux9.h, pa/pa-hpux10.h: Likewise.
+
+Fri Aug 2 13:36:42 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.c (output_float_compare): fcomi should be followed by the
+ correct conditional jump instead of fcom/pfstsw/and/jne
+ (override_options): Added -mbranch-cost to set BRANCH_COST.
+
+ * i386.md (sgt+1,slt+1,sge+1,sle+1,bgt+1,blt+1,bge+1,ble+1,bleu+4)
+ Added TARGET_CMOVE check for fcomi.
+ (movsicc_1+1,movhicc_1+1): Added to handle the general case.
+
+ * i386.h (i386_branch_cost, i386_branch_cost_string): Added.
+
+Fri Aug 2 11:53:55 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * sparc/vxsparc.h (CPP_PREDEFINES): Add `-DCPU=SPARC'.
+
+Thu Aug 1 23:56:01 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (ASM_OUTPUT_INT): Remove all hacks for exception table.
+
+Thu Aug 1 10:08:14 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu>
+
+ * m68k.h (RTX_COSTS, case PLUS): Get operand order right.
+
+Wed Jul 31 15:06:46 1996 Doug Evans <dje@cygnus.com>
+
+ * sparc.md (negtf2,abstf2): Fix v9 case.
+
+Wed Jul 31 09:49:25 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (ASM_OUTPUT_INT): Use an 'E%' prefix for items in
+ the exception table if TARGET_GAS && ! TARGET_PORTABLE_RUNTIME.
+
+Tue Jul 30 15:37:31 1996 Jim Wilson <wilson@cygnus.com>
+
+ * i386/cygwin32.h (dbxcoff.h): Include.
+ (DBX_DEBUGGING_INFO, SDB_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE):
+ Move definitions before include of dbxcoff.h.
+ (ASM_OUTPUT_SOURCE_LINE, DBX_OUTPUT_MAIN_SOURCE_FILE_END): Delete.
+ (DBX_BLOCKS_FUNCTION_RELATIVE, DBX_FUNCTION_FIRST): Delete.
+
+Tue Jul 30 15:03:53 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu>
+
+ * i960.md (eq reg (const_int 0)): New pattern.
+
+Tue Jul 30 11:15:44 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (RETURN_ADDR_RTX): Offset is -20 from the frame, not +20!
+
+Mon Jul 29 12:16:17 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa.h (GO_IF_LEGITIMATE_ADDRESS): Fix thinko in last change.
+
+Fri Jul 26 18:19:47 1996 Doug Evans <dje@cygnus.com>
+
+ * dwarfout.c (output_bound_representation): Fix typo.
+
+Thu Jul 25 16:00:10 1996 Mike Stump <mrs@cygnus.com>
+
+ * expr.c (do_jump, case TRUTH_ORIF_EXPR): Ensure end of an
+ exception region comes after its start.
+ (do_jump, case TRUTH_ANDIF_EXPR): Likewise.
+
+Thu Jul 25 13:36:42 1996 Stan Cox <coxs@equinox>
+
+ * i386.c (output_float_compare): Added support for Pentium Pro
+ fcomi instruction which sets EFLAGS instead of FPU Status Word.
+
+Wed Jul 24 21:48:08 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * cse.c (canon_hash, cse_insn): MEM is not unchanging if it is
+ in the frame (since the temp slot might be reused).
+
+Wed Jul 24 17:34:06 1996 J"orn Rennecke (amylaar@cygnus.com)
+
+ * sh.md (branch_true, branch_false, inverse_branch_true): Express
+ tests of the T bit as comparisons against zero, rather than one.
+ (inverse_branch_false, beq, bne, bgt, blt, ble, bge, bgtu): Likewise.
+ (bltu, bgeu, bleu, casesi): Likewise.
+
+Wed Jul 24 15:58:06 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.md: (mov{sf,df,xf}cc{,_1}): New patterns for P6 FP cmove.
+ * i386.c (put_condition_code, print_operand, output_fp_cc0_set):
+ Support fcmov suffixes.
+
+Wed Jul 24 10:53:38 1996 Jeffrey A Law (law@cygnus.com)
+
+ * pa.c (move_operand): Relax "mode" test. Allow scaled
+ indexed addressing modes.
+ (output_fp_move_double): Tweak output strings to work with updated
+ 'F' and 'M' output modifiers.
+ (print_operand): Collapse 'F' and 'M' into a single hunk of code.
+ For auto-increment modes output "s,ma" and "s,mb".
+ For scaled indexing modes output "x,s"
+ For other addresses, output nothing for 'M' and "s" for 'F'.
+ * pa.h (EXTRA_CONSTRAINT): Don't accept scaled indexed addresses
+ for 'Q' and 'T'. Do accept scaled indexed addresses for 'R'.
+ (GO_IF_LEGITIMATE_ADDRESS): Accept scaled indexed addresses
+ for SFmode and DFmode.
+ * pa.md: Remove all scaled indexed load patterns.
+ (movsi patterns): Accept scaled indexed addresses in some
+ cases. Update output strings for updated 'M' and 'F' output modifiers.
+ (movhi, movqi, movsf, movdf, movdi patterns): Likewise.
+
+Tue Jul 23 23:10:41 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * tree.h (struct tree_int_cst): Add field for TREE_CST_RTL.
+ * varasm.c (decode_addr_const, output_constant_def): AllowINTEGER_CST.
+
+Tue Jul 23 16:42:09 1996 Jim Wilson <wilson@cygnus.com>
+
+ * sh.c (reg_unused_after): Handle JUMP_INSN inside a sequence.
+
+Tue Jul 23 16:33:25 1996 Mike Stump <mrs@cygnus.com>
+
+ * Make exception handling work better when optimizations are on.
+ * except.c, except.h: New files.
+ * Makefile.in (OBJS): Add except.o.
+ (except.o): Add.
+ (stmt.o, final.o): Add except.h.
+ * rtl.c (note_insn_name): Add NOTE_INSN_EH_REGION_{BEG,END}.
+ * rtl.h: Likewise.
+ * arm.h (MASK_RETURN_ADDR): Define.
+ * pa.h (MASK_RETURN_ADDR, RETURN_ADDR_RTX): New macros.
+ * sparc.h (DOESNT_NEED_UNWINDER): Define if not doing a flat function.
+ * mips.h (RETURN_ADDR_RTX): Improve.
+ * vax.h (RETURN_ADDR_RTX): Improve.
+ * toplev.c (rest_of_compilation): Use find_handler_labels.
+ (main, interim_eh{,_hook}): Remove interim_eh_hook support.
+ (flag_exceptions): New flag; also add to table.
+ (compile_file): Emit the exception table in the backend now.
+ * final.c (final_scan_insn): Support ASM_OUTPUT_EH_REGION_{BEG,END}.
+ (final_scan_insn): Redo handler labels, implement
+ NOTE_INSN_EH_REGION_BEG and NOTE_INSN_EH_REGION_END and use them
+ instead of CODE_LABELs.
+ (final): Add call to check_handler_labels.
+ * libgcc2.c (L_eh): Add support for EH_TABLE_LOOKUP.
+ * sparc.md (return): Add a reference to the return address register.
+ * flow.c (find_basic_blocks): Add support for handler_labels.
+ * loop.c (find_and_verify_loops): Likewise.
+ * jump.c (jump_optimize): Likewise.
+ Add call to check_handler_labels. Add call to exception_optimize.
+ * sched.c (sched_analyze): Smuggle exception region notes around.
+ (unlink_notes, reemit_notes, schedule_block): Likewise.
+ (sched_analyze): Add extra element since we remove two at a time.
+ * integrate.c (save_for_inline_copying): Add support for exception
+ regions.
+ (expand_inline_function): Likewise.
+ (function_cannot_inline_p): Don't inline functions that have EH
+ regions before NOTE_INSN_FUNCTION_BEG.
+ (finish_inline): Use FIRST_FUNCTION_INSN, not NEXT_INSN.
+ * function.c (expand_start_all_catch): New function.
+ * function.h: Add exception handling support information.
+ * expr.c (expand_expr, {defer,expand}_cleanups_to, do_jump): Transform
+ interim_eh_hook into calls to expand_ehregion_{start,end}.
+ * stmt.c (expand_{decl_cleanup,cleanups}): Likewise.
+ (init_stmt_for_function): Call init_eh.
+ (save_stmt_status): Call save_eh_status.
+ (restore_stmt_status): Call restore_eh_status.
+ * expr.h (throw_libfunc): Add.
+ * optabs.c (throw_libfunc): Initialize.
+ * print-rtl.c (print_rtx): Add support for exception regions.
+ * rs6000.c (EXCEPTION_SECTION): Define.
+ * output.h (exception_section): Declare.
+ * varasm.c (exception_section): Define.
+ * i386.c, i960.c, rs6000.c: Include except.h for function.h.
+ * c-pragma.c, emit-rtl.c, expr.c, final.c, flow.c: Include except.h.
+ * function.c, integrate.c, jump.c, loop.c, objc-act.c: Likewise.
+ * stmt.c, stor-layout.c, toplev.c, tree.c, varasm.c: Likewise.
+
+Tue Jul 23 12:32:54 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.c (rs6000_replace_regno): Set pic_offset_table_rtx so
+ that other phases will use the PIC register instead of the
+ placeholder.
+
+ * rs6000.md (movsi_got*): Eliminate -fPIC code, keep -fpic code.
+ (movsi): Only call movsi_got if -fpic, not -fPIC.
+
+ * sysv4.h (OVERRIDE_OPTIONS): Improve error messages. Always set
+ -msdata=data by default, even if -fpic/-fPIC/-mrelocatable. Treat
+ -fPIC the same as -mrelocatable-lib and vica versa.
+
+ * t-ppcgas: (MULTILIB_*): Use -mreloctable-lib, instead of
+ -mrelocatable. Map Solaris into mcall-sysv-noeabi case. Build
+ -mrelocatable-lib libraries under non-eabi case. When linking, if
+ -fpic, -fPIC, or -shared, link in the -mrelocatable-lib libraries.
+
+Mon Jul 22 19:34:20 1996 Jim Wilson <wilson@cygnus.com>
+
+ * iris6.h (ASM_SPEC): Change {% to %{.
+
+ * dwarf2out.c (output_call_frame_info): Change FDE CIE offset to
+ be section name rather than 0.
+ (gen_subprogram_die): Only emit DW_AT_external if origin is NULL.
+ Only call equate_decl_number_to_die if origin is NULL.
+ (dwarfout_begin_function): In code that computes offset of frame
+ pointer, change 4 to UNITS_PER_WORD.
+
+ * combine.c (undo_all): Clear previous_undos field.
+
+Mon Jul 22 19:10:45 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * configure: Don't change target_alias to target in Makefile.
+
+Sat Jul 20 09:28:38 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * dwarfout.c (output_bound_representation): Treat default case
+ as variable bounds, then look inside for SAVE_EXPR.
+
+ * mips.h (INITIALIZE_TRAMPOLINE): Use `_flush_cache'; flush data
+ cache too.
+
+Sat Jul 20 09:24:13 1996 Marco Walther (Marco.Walther@mch.sni.de).
+
+ * configure (mips-sni-sysv4): New target.
+ * mips/sni-gas.h, mips/sni-svr4.h, mips/x-sni-svr4: New files.
+
+Fri Jul 19 17:44:13 1996 Stan Coxs <coxs@dg-rtp.dg.com>
+
+ * i386.md: (leave): Clobbers esp and ebp.
+
+ * i386.h: (TARGET_USE_Q_REG): Support inline strlen on PentiumPro
+
+Fri Jul 19 15:56:18 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * m68k/t-m68kbare (MULTILIB_OPTIONS): Add m5200.
+ (MULTILIB_EXCEPTIONS): Define.
+ * m68k/lb1sf68.asm: Add MCF5200 support.
+ * m68k.md (adddi_sexthishl32): Set condition to !TARGET_5200.
+ (subdi_sexthishl32, ashrdi3, ashrhi3): Likewise.
+ (negdi2): Change into define_expand.
+ (negdi2_internal): Rename from old negdi2; condition now !TARGET_5200.
+ (negdi2_5200): New insn.
+ * m68k.c (output_function_prologue): Don't use add.w if TARGET_5200.
+ (output_function_epilogue): Likewise.
+
+ * m68k.md (movqi): Remove complex cases which move between address reg
+ and memory; rely on secondary reloads instead.
+
+Fri Jul 19 12:22:50 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * fixproto (std_files): Add utime.h.
+
+Fri Jul 19 10:59:46 1996 Jeffrey A Law (law@cygnus.com)
+
+ * m68k/m68kemb.h: Remove '\' at EOF.
+
+Fri Jul 19 09:59:00 1996 Joel Sherrill <joel@OARcorp.com>
+
+ * m68k/coff.h (STARTFILE_SPEC): Add #undef before definition.
+
+Fri Jul 19 09:44:45 1996 J.T. Conklin <jtc@rtl.cygnus.com>
+
+ * m68k.h (LEGITIMATE_INDEX_P): Coldfire does not have scale
+ by 8 addressing modes.
+
+ * m68k-none.h: Use MASK_* macros instead of explicit constants.
+
+Fri Jul 19 09:08:53 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
+
+ * m68k.md (negdi2): Undo last change: don't apply neg to address regs.
+
+Fri Jul 19 09:03:01 1996 Robert Wilhelm (rwilhelm@Physik.TU-Muenchen.DE)
+
+ * toplev.c (main): Correct typo in error message.
+
+Thu Jul 18 20:29:33 1996 Jim Wilson <wilson@cygnus.com>
+
+ * Makefile.in (OBJS): Add dwarf2out.o.
+ (dwarf2out.o): New rule.
+ * dwarf2.h, dwarf2out.c: New files.
+ * dwarfout.c: Check DWARF_VERSION macro.
+
+ * mips/iris6.h (DWARF_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE):
+ Move after header files are included.
+ (iris5.h): Include instead of iris5gas.h.
+ (MACHINE_TYPE): Change 5.x to 6.x.
+ (DEBUG_SECTION, LINE_SECTION): Add debug_ to name, fix attributes.
+ (SFNAMES_SECTION, SRCINFO_SECTION, MACINFO_SECTION, PUBNAMES_SECTION,
+ ARANGES_SECTION): Fix attributes.
+ (DWARF_VERSION, MIPS_DEBUGGING_INFO, ASM_DECLARE_FUNCTION_NAME,
+ ASM_DECLARE_FUNCTION_SIZE, FUNCTION_NAME_ALREADY_DECLARED,
+ FRAME_SECTION, ABBREV_SECTION): Define.
+ (DBX_DEBUGGING_INFO, SDB_DEBUGGING_INFO, MIPS_DEBUGGING_INFO,
+ DWARF_DEBUGGING_INFO, PREFERRED_DEBUGGING_INFO): Delete undefs at
+ end of file.
+ * mips/mips.c (function_prologue): Use FUNCTION_NAME_ALREADY_DECLARED.
+ (function_epilogue): Likewise.
+
+Thu Jul 18 19:24:19 1996 David Mosberger-Tang <davidm@azstarnet.com>
+
+ * alpha/elf.h (INT_ASM_OP): Change from ".long" to ".quad".
+
+Thu Jul 18 19:20:58 1996 Ulrich Drepper <drepper@myware.rz.uni-karlsruhe.de>
+
+ * stddef.h: Undefine __need_wint_t.
+
+Thu Jul 18 19:06:35 1996 J.T. Conklin <jtc@hippo.cygnus.com>
+
+ * longlong.h (mc680x0): Define umul_ppmm, udiv_qrnnd, sdiv_qrnnd
+ for the '020, '030, '040, and '332. Define count_leading_zeros
+ for the '020, '030, '040, and '060.
+
+ * m68k.md: Add TARGET_5200 to conditions which determine whether
+ the extbl instruction is emitted.
+ (mulsi3): Enable pattern with TARGET_5200.
+
+ * m68k.md (add patterns): Don't use two addqw instructions when
+ adding small (8 < N <= 16) integers to address registers on 68040.
+
+Thu Jul 18 18:06:15 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * configure: Write target_alias in Makefile.
+ (i[3456]86-*-sco3.2v4*): Set truncate_target.
+ * Makefile.in (target_alias): New and used for all current uses
+ of `target'.
+
+Thu Jul 18 17:46:02 1996 Dave Love <d.love@dl.ac.uk>
+
+ * gcc.c (default_compilers): Extra Fortran extensions.
+
+Wed Jul 17 10:28:10 1996 Torbjorn Granlund <tege@spiff.gnu.ai.mit.edu>
+
+ * expmed.c (expand_mult_highpart): Revert last change.
+
+Tue Jul 16 12:51:59 1996 Doug Evans <dje@cygnus.com>
+
+ * sparc/sparc-rtems.h: #include "sparc/sparc-aout.h" -> sparc/aout.h.
+
+Mon Jul 15 14:42:06 1996 Jim Wilson <wilson@cygnus.com>
+
+ * mips/iris6.h (LINK_SPEC): Add -woff 84.
+
+Fri Jul 12 17:34:01 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/eabi.asm (__eabi): Convert pointers in the Global Offset
+ Table if -mrelocatable. Move loops into separate subroutines for
+ ease of debugging. Reorganize code somewhat.
+
+ * rs6000/rs6000.c (small_data_operand): Allow small data under
+ Solaris.
+
+ * rs6000/sol-c0.c (_start): Initialize r13 to point to the small
+ data operand.
+
+ * rs6000/sol-c{i,n}.asm (_init, _fini): Enable shared library
+ support.
+
+ * rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
+ -msdata=data, even if -fpic or -mrelocatable. Allow -mrelocatable
+ and -mno-eabi.
+ (CPP_SYSV_SPEC): If -fpic, define __PIC__ and __pic__ to 1. If
+ -fPIC, define them to 2.
+ (CPP_ENDIAN_SPEC): Push definition of macros for specific endian
+ targets to new specs.
+ (CPP_ENDIAN_DEFAULT_SPEC): Define to use CPP_ENDIAN_BIG_SPEC.
+ (CPP_ENDIAN_{LITTLE,BIG,SOLARIS}_SPEC): New specs for little
+ endian mode, big endian mode, and Solaris, which can't define
+ _LITTLE_ENDIAN. Define __LITTLE_ENDIAN__ in all cases for little
+ endian systems. Define __BIG_ENDIAN__ in all cases for big endian
+ systems.
+ (SUBTARGET_EXTRA_SPECS): Add new specs.
+
+ * rs6000/{eabile,sysv4le}.h (CPP_ENDIAN_DEFAULT_SPEC): Define to
+ use CPP_ENDIAN_LITTLE_SPEC.
+
+ * rs6000/sol2.h (CPP_ENDIAN_LITTLE_SPEC): Define as
+ CPP_ENDIAN_SOLARIS_SPEC so that _LITTLE_ENDIAN is not define.
+
+Fri Jul 12 17:34:01 1996 David Edelsohn <edelsohn@mhpcc.edu>
+
+ * rs6000.c (function_arg): Add IBM AIX XL compiler broken FP arg
+ passing compatibility mode.
+ * rs6000.h (TARGET_XL_CALL): Define default.
+ * aix3newas.h (TARGET_XL_CALL, SUBTARGET_SWITCHES): Define.
+ * aix41.h (TARGET_XL_CALL, SUBTARGET_SWITCHES): Define.
+
+Fri Jul 12 15:04:43 1996 Doug Evans <dje@cygnus.com>
+
+ * arm/arm.h (ASM_OUTPUT_MI_THUNK): Handle fns returning structures.
+
+ * ptx4.h ({ASM,LINK}_SPEC): %{V} %{v:%{!V:-V}} -> %{v:-V}.
+ * svr4.h ({ASM,LINK}_SPEC): Likewise.
+ * dsp16xx/dsp16xx.h ({ASM,LINK}_SPEC): Likewise.
+ * i386/dgux.h (LINK_SPEC): Likewise.
+ * i386/sol2.h (LINK_SPEC): Likewise.
+ * m88k/dgux.h ({LINK,ASM_CPU}_SPEC): Likewise.
+ * sparc/sol2.h ({ASM,LINK}_SPEC): Likewise.
+ * sparc/sp64-elf.h ({ASM,LINK}_SPEC): Likewise.
+ * sparc/sysv4.h (ASM_SPEC): Likewise.
+
+Thu Jul 11 17:29:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.h (GOT_TOC_REGNUM): New macro for r2, which is used as a
+ marker for the GOT/TOC register to be allocated later.
+ (MACHINE_DEPENDENT_REORG): Call rs6000_reorg.
+ (rs6000_reorg): Add declaration.
+
+ * rs6000.c (rs6000_got_register): Return REG 2, not a pseudo
+ register in order to work with inlined functions.
+ (rs6000_replace_regno): New function to replace a register with a
+ new pseudo register.
+ (rs6000_finalize_pic): Loop through all of the insns, replacing
+ any GOT_TOC_REGNUM registers with a new pseudo register, and
+ adding the initialization of of the GOT register if it was
+ created.
+ (rs6000_reorg): New function to check whether the GOT_TOC register
+ marker was removed.
+
+Thu Jul 11 10:12:50 1996 Jeffrey A Law (law@cygnus.com)
+
+ * h8300/h8300.h (OK_FOR_U): If generating H8/S code, accept
+ SYMBOL_REF and SYMBOL_REF + CONST_INT.
+
+ * h8300/h8300.c (shift_one): Emit tabs between opcode and
+ operands to be consistent with the rest of the compiler.
+ (rotate_one): Likewise.
+ (shift_two, rotate_two): Define.
+ (get_shift_alg): Accept new argument "assembler2_p" for
+ rotate/shift by two insns. All callers changed. Rework
+ to generate more efficient code on the H8/300, H8/300H, and
+ H8/S. Try to simplify somewhat.
+ (emit_a_shift): Use shift-by-two insns when they're available.
+ Emit tabs between opcode and operands to be consistent with
+ the rest of the compiler.
+
+Wed Jul 10 19:32:17 1996 Jim Wilson <wilson@cygnus.com>
+
+ * mips/iris6.h (ASM_SPEC): Correct typos in Jun 18 change.
+
+Wed Jul 10 18:56:38 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * sh/sh.c (machine_dependent_reorg): When looking for the
+ instruction that sets a register in LOG_LINKS, skip the link if
+ REG_NOTE_KIND is not zero.
+
+Wed Jul 10 15:02:18 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.c (rs6000_got_register): New function to return a pseudo
+ register to hold the pic register. Abort if reload is in progress
+ or done.
+ (num_insns_constant): Allow SFmode and DFmode.
+
+ * rs6000.h (CONST_DOUBLE_OK_FOR_LETTER_P): Redo 'G' so that it
+ means a constant that takes exactly two insns.
+ (rs6000_got_register): Add declaration.
+
+ * rs6000.md (movsi_got): Move setup of pic register to
+ rs6000_got_register.
+ (movsf): If -msoft-float, don't force constants to memory.
+ (mov{sf,df} insns): If soft floating point, allow any constant to
+ be loaded. Add define_splits that allow the 604 to use both
+ integer units for loading constants. Make sure insn length is
+ correct.
+
+Tue Jul 9 17:05:10 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.c (easy_fp_constant): All FP constants are considered
+ hard for -fpic and hardware floating point, so that the GOT
+ register is created.
+
+Tue Jul 9 15:21:27 1996 Jim Wilson <wilson@cygnus.com>
+
+ * x-iris6 (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
+
+Mon Jul 8 18:00:33 1996 Jim Wilson <wilson@cygnus.com>
+
+ * sh/sh.h (enum reg_class): Add new class GENERAL_FP_REGS.
+ (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
+
+ * cse.c (note_mem_written): Varying structure memory access with
+ AND address can alias scalars.
+ * sched.c (true_dependence, anti_dependence, output_dependence):
+ Likewise.
+
+ * sh.c (calc_live_regs): For pragma_interrupt case, exclude call
+ clobbered regs that are fixed, explicitly add MACH_REG and MACL_REG.
+
+ * calls.c (expand_call): For assign_stack_temp call in PARALLEL case,
+ get mode from type instead of using BLKmode.
+ * function.c (aggregate_value_p): If hard_function_value returns
+ a non-REG, then return 0.
+
+ * mips/mips.c (function_arg): Add explicit checks for FIELD_DECLs.
+ (mips_function_value): Add explicit checks for FIELD_DECLs, and save
+ them in the array FIELDS. When returning structure with 1 float field,
+ enclose it in a PARALLEL and set the PARALLEL mode correctly.
+ * mips/mips.md (call_value): Call gen_call_value_multiple_internal0
+ only if there are multiple return values. Strip the PARALLEL off
+ if there there is only one return value.
+
+Mon Jul 8 16:27:33 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * First cut at support for the H8/S.
+ * h8300/h8300.c (h8300_init_once): Handle the H8/S (treat it
+ like the H8/300H).
+ (dosize, adds_subs_operand, one_insn_adds_subs_operand): Likewise.
+ (output_adds_subs, const_costs, print_operand): Likewise.
+ (output_simode_bld, h8300_adjust_insn_length): Likewise.
+ (push_order, pop_order): Reverse.
+ (function_prologue): Try to use ldm.l and stm.l insns
+ on the H8/S. Minor cleanups.
+ (function_epilogue): Likewise.
+ (asm_file_start): Emit ".h8300s" when compiling for the H8/S.
+ * h8300/h8300.h (CPP_SPEC): Handle the H8/S.
+ (TARGET_H8300S): New target.
+ (TARGET_SWITCHES): Add "-ms" and "-mno-s".
+ (BITS_PER_WORD): Handle the H8/S (treat it like the H8/300H).
+ (UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY): Likewise.
+ (BIGGEST_ALIGNMENT, BIGGEST_FIELD_ALIGNMENT): Likewise.
+ (INITIALIZE_TRAMPOLINE, MOVE_MAX, Pmode): Likewise.
+ * h8300/h8300.md: Handle H8/S just like H8/300H
+ throughout the entire file.
+ * h8300/t-h8300 (MULTILIB_OPTIONS): Build "-ms" libraries
+ too.
+ (MULTILIB_DIRNAMES): Put H8/S libraries in "h8300s" directory.
+ * h8300/lib1funcs.asm: Emit ".h8300s" pseudo-op when generating
+ h8300s object files. Otherwise treat the H8/S just like the H8/300H.
+ * ginclude/stdarg.h: Handle the H8/S.
+ * ginclude/varargs.h: Likewise.
+
+Mon Jul 8 14:50:58 1996 Doug Evans <dje@cygnus.com>
+
+ * sparc/sol2.h (LINK_SPEC): Don't pass `-z text' if
+ -shared -mimpure-text.
+
+Sun Jul 7 18:03:46 1996 Torbjorn Granlund <tege@noisy.tmg.se>
+
+ * m68k/lb1sf68.asm (__udivsi3): Use faster tstw instead of btst.
+
+Thu Jul 4 11:44:39 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * expr.c (get_inner_reference): Delete using alternate mode for
+ bitfield; we don't make bitfields anymore if not needed.
+
+Wed Jul 3 18:23:17 1996 Stephen L Moshier (moshier@world.std.com)
+
+ * c-common.c (record_function_format): Define as static.
+
+ * collect2.c (at SUNOS4_SHARED_LIBRARIES): Fix reference to unistd.h.
+
+Wed Jul 3 17:35:20 1996 Gavin Koch <gavin@cygnus.com>
+
+ * c-typeck.c (default_conversion): Add bitfield promotions.
+
+Wed Jul 3 17:09:22 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * gcc.c (default_compilers): Add null entries for languages we
+ heard of.
+ (main): If found one of those entries, say compiler not installed.
+
+Wed Jul 3 12:52:53 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * pa.c (fmpy_operands): Define.
+ (combinable_fmpy): New function.
+ (combinable_fadd, combinable_fsub): Likewise.
+ * pa.md (parallel_addb, parallel_movb): New patterns.
+ (fmpyadd, fmpysub): New patterns.
+
+ * pa.c (fmpyaddoperands): Tighten checks. Allow SFmode.
+ (fmpysuboperands): Similarly.
+
+Tue Jul 2 18:57:15 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * pa.c (ireg_or_int5_operand): New function.
+ (output_parallel_movb, output_parallel_addb): Likewise.
+ (combinable_copy, combinable_add, following_call): Likewise.
+ (pa_adjust_insn_length): Handle parallel unconditional branches.
+ (output_movb): Handle case were destination is %sar.
+ * pa.h: Declare new functions.
+ * pa.md (parallel_branch): New "type" attribute.
+ (delay slot descriptions): Don't allow "parallel_branches" in
+ delay slots. Fill "parallel_branches" like "branch" insns.
+ (movb patterns): Handle %sar as destination register.
+
+ * expr.c (compare): If function pointers need canonicalization
+ before comparisons, canonicalize them.
+ (do_store_flag): Do not use an sCC insn for a function pointer
+ comparison if function pointers need canonicalization before
+ comparing.
+
+Tue Jul 2 17:56:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/sysv4.h ({START,END}FILE_LINUX_SPEC): If -mnewlib is not
+ used, use the crtbegin/crtend that 2.7.2 used.
+
+Sat Jun 29 07:10:02 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.h (INIT_EXPANDERS): Define, call rs6000_init_expanders.
+ (RS6000_VARARGS_OFFSET): fpmem area no longer next to outgoing
+ argument area.
+ (STARTING_FRAME_OFFSET): Ditto.
+ (STACK_DYNAMIC_OFFSET): Ditto.
+ (frame_pointer_needed): Add external declaration.
+ (rs6000_{save,restore}_machine_status): Ditto.
+ (rs6000_init_expanders): Ditto.
+
+ * rs6000.c (rs6000_{save,restore}_machine_status): New functions
+ to save and restore the globals needed on a per function basis.
+ (rs6000_init_expanders): Initialize globals needed on a per
+ function basis, and set up so the above save/restore functions are
+ called when processing nested functions.
+ (output_epilog): Don't initialize per function globals here.
+ (rs6000_stack_info): Change where the fpmem save area is to below
+ the local variables, and not just below the outgoing argument
+ area.
+
+ * rs6000.md (floatsidf2*, fix_truncdfsi2*): Rewrite conversion
+ routines to track new location of the fpmem save area. Allocate a
+ new base register temp for the routines in case the stack frame is
+ more than 32k in size.
+
+Sat Jun 29 05:44:37 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * explow.c (convert_memory_address, case PLUS): Fix error in
+ last change.
+
+Fri Jun 28 23:30:48 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * reload1.c (choose_reload_regs): Properly mark spill registers
+ as in use for inherited reloads.
+
+Fri Jun 28 18:37:20 1996 Stephen L Moshier <moshier@world.std.com>
+
+ * objc/sarray.c (ifdef __alpha__): Don't declare `free'.
+ * objc/thr-decosf1.c (objc_thread_id): Use pthread_getunique_np
+ to obtain a thread ID value.
+ (objc_mutex_allocate): Cast mutex->owner to _objc_thread_t.
+ (objc_mutex_deallocate): Likewise.
+ (objc_mutex_unlock): Likewise.
+ (objc_mutex_trylock): Declare thread_id as _objc_thread_t.
+ (objc_mutex_lock): Likewise.
+ (objc_mutex_unlock): Likewise.
+
+ * real.c (asctoeg): `0.0eX' is zero, regardless of the exponent X.
+
+Fri Jun 28 18:33:13 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * vax.md (rotl): Remove extraneous `$'.
+
+ * combine.c (previous_num_undos): Deleted variable.
+ (MAX_UNDO): Deleted macro.
+ (struct undo): New field, next.
+ (struct undobuf): Deleted num_undos and undo.
+ New fields undos, frees, and previous_undos.
+ (SUBST, SUBST_INT): Rework to allocate memory and chain undo entries.
+ (combine_instructions): Initialize undobuf.{undos,previous_undos},
+ not undobuf.num_undo and previous_num_undos.
+ (try_combine): Likewise.
+ (undo_all, gen_rtx_combine): Rework to use new data structures.
+
+Fri Jun 28 16:48:25 1996 Scott Christley <scottc@net-community.com>
+
+ * objc/sendmsg.c (__objc_block_forward): New function.
+ (get_imp, objc_msg_lookup): Use different forwarding function
+ when the returning a floating point value.
+
+Fri Jun 28 16:25:25 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * configure: Allow multiple makefile frags.
+ (i[3456]86-*-linux*oldld*): Add i386/t-crtstuff as target frag.
+ (i[3456]86-*-linux*aout*, i[3456]86-*-linux*): Likewise.
+ (m68k-*-linux*aout*): Add t-linux-aout as target frag.
+ (m68k-*-linux*): Add t-linux as target frag.
+ * Makefile.in (Makefile): xmake_file and tmake_file now already
+ contain the $(srcdir)/config prefix.
+
+ * config/t-linux (BOOT_CFLAGS): Removed, no longer necessary.
+ (CRTSTUFF_T_CFLAGS): Don't define.
+ (CRTSTUFF_T_CFLAGS_S): Define this instead.
+ * config/t-linux-aout (BOOT_CFLAGS): Removed.
+ * m68k/t-linux: Remove variables now in t-linux.
+
+Fri Jun 28 15:06:05 1996 John F. Carr <jfc@mit.edu>
+
+ * alpha.c (alpha_emit_conditional_move): Emit correct code when
+ incoming comparison code is NE.
+
+Fri Jun 28 14:35:45 1996 J.T. Conklin <jtc@hippo.cygnus.com>
+
+ * c-decl.c (init_decl_processing): Register __builtin_memset
+ and memset as builtin functions.
+ * expr.c (expand_builtin, case BUILTIN_MEMSET): Open code memset
+ where val == 0.
+
+Fri Jun 28 14:10:03 1996 Richard Henderson <rth@tamu.edu>
+
+ * alpha/linux.h (FUNCTION_PROFILER): _mcount has non-standard linkage.
+ * alpha/elf.h (LINK_SPEC): Bring emulation name into sync
+ with Cygnus snapshot.
+
+ * alpha.h ({MASK,TARGET}_BUILD_CONSTANTS): New macros.
+ (TARGET_SWITCHES): New target option build-constants.
+ * alpha.c (alpha_emit_set_long_const): New function.
+ * alpha.md (movdi): Call it.
+ * expmed.c (expand_mult_highpart): Use op1 not wide_op1 in
+ expansion of mul_highpart.
+
+ * alpha.c (output_{pro,epi}log): Flag_inhibit_size_directive
+ should supress .ent, .end, and accompanying directives.
+ (alpha_output_lineno): Fix polarity on GAS test.
+ * alpha.h (NO_DBX_FUNCTION_END): New macro.
+ * dbxout.c (dbxout_function): Respect NO_DBX_FUNCTION_END.
+ * alpha/elf.h: New file.
+ * alpha/linux.h (INITIALIZE_TRAMPOLINE): New definition.
+ * alpha/xm-linux.h (HAVE_STRERROR): Define.
+ * configure (alpha*-linux*ecoff*): New target, was alpha-*-linux*.
+ (alpha-*-linux*): Use elf.h.
+ * crtstuff.c (init_dummy): Only i386-linux (at most)
+ needs ___brk_addr hack.
+
+Thu Jun 27 20:23:30 1996 Jon Buller (jonb@metronet.com)
+
+ * ns32k.c (split_di): New; from i386.c.
+ * ns32k.md (adddi3, subdi3, negdi3): New patterns.
+
+Thu Jun 27 19:42:50 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * combine.c (force_to_mode, case NE): Fix typo and logical error.
+ (simplify_comparison): Don't swap args if op1 is CONST_INT.
+
+Thu Jun 27 18:49:35 1996 Jim Wilson <wilson@cygnus.com>
+
+ * expmed.c (extract_bit_field): Check TRULY_NOOP_TRUNCATION before
+ making a SUBREG of a REG.
+
+Thu Jun 27 11:03:59 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * mips/mips.h (CC1_SPEC): Put spaces between the -mips* cases.
+ * mips/osfrose.h (CC1_SPEC): Likewise.
+
+ * sh/sh.c (output_branch): Don't call ADJUST_INSN_LENGTH if the
+ insn is inside a sequence.
+
+Wed Jun 26 19:09:43 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * pa/pa.h (CMP_PSI): Delete.
+ (FUNCTION_POINTER_COMPARISON_MODE): Likewise.
+ * pa/pa.md (cmppsi); Delete expander.
+ (canonicalize_funcptr_for_compare): Renamed from plabel_dereference,
+ turned into an expander + anonymous pattern.
+
+Tue Jun 25 22:36:11 1996 Doug Evans <dje@seba.cygnus.com>
+
+ * gcc.c (PEXECUTE_VERBOSE): Define.
+ (execute): Pass PEXECUTE_VERBOSE to pexecute if -v.
+
+Tue Jun 25 12:23:54 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.h (FINALIZE_PIC): Define to call rs6000_finalize_pic.
+ (rs6000_finalize_pic): Add declaration.
+ (svr4_traceback): Delete unused declaration.
+
+ * rs6000.md (movsi_got): Don't emit gen_init_v4_pic insn.
+ (V.4 call insns): Do not use @plt for PIC calls.
+
+ * rs6000.c (print_operand_address): Handle LABEL_REF just like
+ SYMBOL_REF.
+ (rs6000_finalize_pic): Define, emit the gen_init_v4_pic insn
+ before all other insns if needed for V.4 PIC calls.
+
+ * eabi-ci.asm (_GLOBAL_OFFSET_TABLE_): Do not provide a default
+ definition, since it interferes with the linker generated version.
+
+Tue Jun 25 01:17:50 1996 Jeffrey A. Law <law@cygnsu.com>
+
+ * h8300/h8300.c (function_prologue): Update "monitor" prologues.
+ (function_epilogue): Similarly.
+
+ * pa/pa.h (PARSE_LDD_OUTPUT): Handle dynamic libraries that are
+ loaded "statically".
+
+Mon Jun 24 19:48:36 1996 Joel Sherrill <joel@merlin.gcs.redstone.army.mil>
+
+ * configure ({i386,i960,m68k,powerpc,sparc}-rtems): New targets.
+ * i386/go32-rtems.h, i386/i386-rtems.h: New files.
+ * i960/i960-rtems.h: New file.
+ * m68k/m68k-rtems.h: New file.
+ * rs6000/powerpc-rtems.h: New file.
+ * sparc/sparc-rtems.h: New file.
+
+Mon Jun 24 23:09:22 1996 Paul Eggert <eggert@twinsun.com>
+
+ * cccp.c: (create_definition): Diagnose `#define #' only once.
+
+Mon Jun 24 11:42:58 1996 Jim Wilson <wilson@cygnus.com>
+
+ * i386/cygwin32.h, rs6000/cygwin32.h (CPP_PREDEFINES): For consistency,
+ change to define WIN32, WINNT, and CYGWIN32.
+
+Mon Jun 24 10:46:50 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.md (floatsidf2*): Move the xor of the argument into the
+ define_insn, since it confuses inline function expands.
+
+Fri Jun 21 20:40:17 1996 Jim Wilson <wilson@cygnus.com>
+
+ * mips.md (call_internal1, call_value_internal1): Delete obsolete code.
+ (call_internal2, call_value_internal2, call_value_multiple_internal2):
+ Delete obsolete code. Explicitly load SYMBOL_REF into register.
+ (call_value): Change Pmode to SImode in gen_call_value_internal0 call.
+
+Thu Jun 20 12:20:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * configure (*-aix*): If building a cross compiler, use t-xnewas
+ instead of t-newas.
+
+ * rs6000.c (num_insns_constant_wide): Fix typo if HOST_WIDE_INT
+ has more than 32 bits.
+
+Wed Jun 19 17:50:33 1996 Richard Henderson <richard@atheist.tamu.edu>
+
+ * combine.c (move_deaths): New parameter maybe_kill_insn.
+ Don't move note if reg killed by maybe_kill_insn.
+ (try_combine): Pass new arg to move_deaths.
+
+Wed Jun 19 10:44:47 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * toplev.c (flag_keep_static_consts): Define.
+ (f_options): Add "keep-static-consts" entry.
+ (compile_file): Check it in addition to !optimize for emitting
+ static const variables.
+
+Tue Jun 18 23:37:20 1996 Doug Evans <dje@cygnus.com>
+
+ * i386/cygwin32.h (ASM_OUTPUT_SOURCE_LINE): Local symbols begin with L.
+
+Tue Jun 18 12:00:11 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * varasm.c (asm_output_aligned_bss): Don't emit a skip of size 0.
+
+Tue Jun 18 06:24:28 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * integrate.c (expand_inline_function): Add missing call to
+ force_operand when getting structure_value_addr into reg.
+
+ * alpha.c (override_options): Allow EV4/5 or 21064/21164 for cpu.
+ Clean up handling of floating-point options.
+ * alpha.h (TARGET_SWITCHES): Have all -mieee options turn
+ on MASK_IEEE_CONFORMANT.
+ (TARGET_DEFAULT): Use symbolic value.
+ * alpha.md: When not involving named pattern, update condition
+ to include alpha_tp != ALPHA_TP_INSN.
+ Don't do float_extend as part of other pattern when ALPHA_TP_INSN.
+ (extendsfsd2): Split into two patterns, depending on
+ value of alpha_tp.
+
+ * mips/iris6.h (ASM_SPEC): Treat -o32 as -32 and -n64 same as -64.
+ * mips.c (override_options): Likewise.
+
+ * genattrtab.c (fatal): Declare A1 and A2 as char *.
+
+ * function.c (find_temp_slot_from_address): Check for overlap
+ from BASE_OFFSET if X is PLUS of virtual_stack_vars_rtx and const.
+
+ * flow.c (flow_analysis): Fix typo in last change.
+
+ * expr.c (expand_builtin, case BUILT_IN_{SET,LONG}JMP): Properly
+ handle case when ptr_mode != Pmode.
+
+ * combine.c (try_combine): Don't use split if dest of new I2
+ is used between I2 and I3.
+
+ * c-typeck.c (pointer_int_sum): Convert integer to both signedness
+ and precision of sizetype.
+ * explow.c (convert_memory_address, case PLUS, MULT): Don't commute
+ operation with extension if not adding small integer.
+
+ * Makefile.in (BOOT_LANGUAGES): New variable.
+ (bootstrap): Use it to select languages for stage1.
+ * configure (extra_host_objs): New variable.
+ Separate files needed for target and host and concatenate list.
+ (extra_gcc_objs): Use setting for host, not target.
+ (objc_thread_file): Start with it as null, then don't include "thr-".
+ Print name of file after others and in same format.
+ (alpha-*-winnt*, i[3456]86-*-winnt): oldnames.o is in extra_host_objs.
+ (all_boot_languages): New variable.
+ Set from boot_language variable in config-lang.in.
+ Defines value of BOOT_LANGUAGES in Makefile.
+ (Makefile): Set target to the canonical form of target.
+
+Mon Jun 17 22:37:07 1996 Mike Meissner <meissner@rtl.cygnus.com>
+
+ * rs6000/win-nt.h (ASM_DECLARE_FUNCTION_NAME): Put function
+ descriptor in .reldata, not .text.
+
+Mon Jun 17 16:05:34 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * ginclude/stddef.h (wint_t): Don't wrap with #ifndef __cplusplus.
+
+Mon Jun 17 15:03:20 1996 Jim Wilson <wilson@cygnus.com>
+
+ * mips.c (mips_split_addresses): New variable.
+ (simple_memory_operand): Add comment about mode check. Add check
+ for LO_SUM.
+ (call_insn_operand): OP is now an addresses instead of a MEM.
+ (move_operand, mips_check_split): New functions.
+ (mips_count_memory_refs): Add check for LO_SUM.
+ (mips_move_1word): Add HIGH support.
+ (mips_address_cost): Delete check for HIGH.
+ (output_block_move): Handle LO_SUM addresses.
+ (override_options): Set mips_split_addresses.
+ (print_operand_address): Add LO_SUM support.
+ * mips.h (mips_split_addresses, mips_check_split, move_operand):
+ New declarations
+ (GO_IF_LEGITIMATE_ADDRESS): Reject constant addresses when
+ mips_split_addresses is TRUE. Add LO_SUM support.
+ (LEGITIMIZE_ADDRESS): Add LO_SUM support.
+ (PREDICATE_CODES): Modify call_insn_operand support. Add
+ move_operand.
+ * mips.md (memory): Change r4100/r4300 support.
+ (imuldiv): Add r4300 support.
+ (high, low): New patterns.
+ (movsi, movdi): Add LO_SUM support.
+ (movsi_internal1, movsi_internal2): Use move_operand instead of
+ general_operand.
+ (movstrsi_internal, movstrsi_internal2): Delete R constraint.
+ (call, call_value): Pass address instead of MEM to call_insn_operand.
+ Call gen_call_{value_}internal0 instead of internal1.
+ (call_internal0, call_value_internal0, call_multiple_internal0):
+ New patterns.
+ (call_internal1, call_internal2, call_value_internal1,
+ call_value_internal2, call_value_multiple_internal2): Add explicit
+ MEM before target address.
+
+Sun Jun 16 23:05:16 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * configure (hppa*-hp-hpux10*): Use new pa-hpux10 configuration file.
+ (hppa*-hp-hpux*): Use hpux9 configuration files by default.
+ * pa/pa-hpux10.h: New file.
+ * pa/pa-ghpux9.h: Deleted. No longer used.
+
+Sat Jun 15 04:35:51 1996 Roland McGrath <roland@delasyd.gnu.ai.mit.edu>
+
+ * i386/gnu.h (LINK_SPEC): Remove -rpath /lib/ option.
+ Ignore -ibcs option.
+
+Thu Jun 13 14:49:41 1996 Jim Wilson <wilson@cygnus.com>
+
+ * gen-protos.c (main): Change argv[i] to argv[0][i].
+
+Thu Jun 13 10:46:24 1996 Doug Evans <dje@cygnus.com>
+
+ * gcc.c (pfatal_pexecute): Delete code to check errno < sys_nerr.
+
+Wed Jun 12 21:47:10 1996 Eliot Dresselhaus <dresselh@rft30.nas.nasa.gov>
+
+ * alpha.c (alpha_cpu, alpha_cpu_string): New variables.
+ (override_options): Process -mcpu= value.
+ (alpha_adjust_cost): Handle adjustments for EV5.
+ * alpha.h (enum processor_type): New enum.
+ (alpha_cpu, alpha_cpu_string): New declarations.
+ (target_options): Add "cpu=".
+ (RTX_COSTS): Adjust values for EV5.
+ * alpha.md: Add scheduling rules for EV5.
+
+Tue Jun 11 17:51:03 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * c-common.c (check_format_info): Change text of message about use
+ of `0' with precision.
+
+Tue Jun 11 15:14:10 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.h (TARGET_SCHEDULE_PROLOGUE): New. Allows prologue to
+ be emitted as asm or rtl.
+
+ * i386.c (function_prologue): Emit prologue as asm.
+ (override_options): Don't emit rtl for prologue if -fpic.
+
+Tue Jun 11 14:41:01 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/eabi.asm (__eabi): Fix normal code so that it properly
+ loads up r2/r13 if needed again.
+
+ * rs6000/sysv4.h (CPP_ENDIAN_SPEC): Call cpp_endian_default, not
+ cpp_endian_default_spec.
+
+Mon Jun 10 15:10:56 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * local-alloc.c (update_equiv_regs): Ignore insns that read or
+ write registers that are likely to be spilled.
+
+ * pa.h (cmp_type): Add CMP_PSI.
+ (FUNCTION_POINTER_COMPARISON_MODE): Define.
+ * pa.md (cmppsi): New expander.
+ (plabel_dereference): New pattern
+
+Mon Jun 10 14:56:14 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/sol2.h (SKIP_ASM_OP): Delete, Solaris accepts .space,
+ like rest of PowerPC V4 ports.
+
+ * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Emit .lcomm if not
+ using the .sbss area. If using the .sbss area, put out
+ appropriate .size directive.
+
+Mon Jun 10 14:53:38 1996 Doug Evans <dje@cygnus.com>
+
+ Move fork/exec/wait handling into file of its own.
+ * pexecute.c: New file.
+ * Makefile.in (pexecute.o): Add rule.
+ (xgcc): Link in pexecute.o.
+ (protoize,unprotoize): Likewise.
+ * gcc.c (_WIN32): Don't include process.h or declare spawnv{,p}.
+ (pexecute,pwait): Add prototypes.
+ (PEXECUTE_{FIRST,LAST,SEARCH}): Define.
+ (execv,execvp): Delete decls.
+ (perror_exec): Delete.
+ (pfatal_pexecute): New function.
+ (pexecute support): Delete.
+ (execute): -pipe not supported if _WIN32 or OS2.
+ Update call to pexecute. Fatal error if pexecute fails. Call pwait.
+ * protoize.c: Include gansidecl.h.
+ (my_execvp): Delete.
+ (choose_temp_base,pexecute,pwait): Declare.
+ (PEXECUTE_{FIRST,LAST,SEARCH}): Define.
+ (execvp): Delete decl.
+ (usage): Fix typo.
+ (gen_aux_info_file): Rewrite to use pexecute/pwait.
+
+ * gcc.c (do_spec_1): Allow leading text in version string.
+ Delete support for default minor number = 0.
+
+Mon Jun 10 11:49:53 1996 Scott Christley <scottc@net-community.com>
+
+ * objc/Makefile (libobjc.a): Don't delete the library.
+
+ * objc/thr.h (objc_set_thread_callback): New function.
+ (objc_thread_callback): Typedef for the hook function.
+ * objc/thr.c (__objc_thread_detach_function): Clear thread storage.
+ Call the thread hook function when first becoming multi-threaded.
+ (objc_set_thread_callback): New function.
+
+ * objc/selector.c (__sel_register_typed_name): Additional parameter
+ that indicates whether name and type parameters are constant or not.
+ * objc/runtime.h (__sel_register_typed_name): Likewise.
+ * objc/init.c (__sel_register_typed_name): Likewise.
+
+ * objc/init.c (__objc_init_protocols): Need to unlock mutex.
+
+Mon Jun 10 11:44:44 1996 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * sparc/t-sol2 (gmon.o): Depend on stmp-int-hdrs.
+ (crt1.o, crti.o, crtn.o, gcrt1.o): Depend on $(GCC_PASSES).
+
+Mon Jun 10 11:29:46 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * flow.c (flow_analysis, find_basic_blocks): Ignore
+ nonlocal_label_list for CALL_INSN that has a REG_RETVAL.
+
+ * c-common.c (decl_attributes, case A_T_UNION): Don't look at fields
+ of union if there aren't any.
+
+Sat Jun 8 22:13:33 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.c (ix86_expand_prologue): Keep pic register load ahead
+ of reference which may use a pic register.
+
+Sat Jun 8 22:13:33 1996 Jim Wilson <wilson@cygnus.com>
+
+ * i386.md (strlensi_unroll4, strlensi_unroll5): Use + not =& for
+ constraint for input/output operand 2.
+
+Sat Jun 8 22:13:33 1996 J"orn Rennecke (amylaar@meolyon.hanse.de)
+
+ * i386.h (CONST_COSTS): Even integer constants have a cost.
+ (RTX_COSTS): Take costs of subexpressions into account.
+ If a multiply is actually a shift, use the cost of the shift.
+ * i386/unix.h (SHIFT_DOUBLE_OMITS_COUNT): New macro.
+ * i386/{gas, next, seq-gas}.h (SHIFT_DOUBLE_OMITS_COUNT): Redefine
+ as zero.
+ * i386.c (print_operand): new letter 's'.
+
+Sat Jun 8 15:13:33 1996 Jim Wilson <wilson@cygnus.com>
+
+ * mips/mips.c (override_options): Add vr4100 and vr4300 support.
+ * mips/mips.h (enum processor_type): Likewise.
+ (MASK_4300_MUL_FIX, TARGET_4300_MUL_FIX): New macros.
+ (TARGET_SWITCHES): Add -mfix4300 option.
+ * mips/mips.md (cpu, memory, imuldiv, adder, mult, divide): Add
+ vr4100 and vr4300 support.
+ (muldf3, mulsf3): Add vr4300 support.
+ (muldf3_internal, muldf_r4300, mulsf3_internal, mulsf_r4300): New
+ patterns.
+
+Sat Jun 8 14:35:23 1996 David Edelsohn <edelsohn@mhpcc.edu>
+
+ * toplev.c (main): Re-enable -gxcoff+.
+
+Sat Jun 8 14:20:14 1996 J.T. Conklin <jtc@rtl.cygnus.com>
+
+ * m68k/lb1sf68.asm (__{eq,ne,gt,lt,ge,le}{df,sf}2): Removed
+ extraneous comments, constants, labels, etc.
+
+ * m68k/altos3068.h (TARGET_DEFAULT): Use MASK_* macros
+ instead of explicit constants in definitions or conditionals.
+ * m68k/{apollo68, aux, ccur-GAS, dpx2, hp320, hp3bsd}.h: Likewise.
+ * m68k/{hp3bsd44, isi-nfp, isi, linux-aout, linux}.h): Likewise.
+ * m68k/{lynx-ng, lynx, m68k-none, m68k-psos, m68kv4}.h): Likewise.
+ * m68k/{mot3300, netbsd, news, next, pbb, plexus, sun2o4}.h): Likewise.
+ * m68k/{sun3, sun3n, tower}.h): Likewise.
+
+Sat Jun 8 13:55:23 1996 Matthias Pfaller (leo@marco.de)
+
+ * ns32k.md (define_insns for ffs[qhs]i2): Deleted.
+ (define_expand for ffssi2): New pattern.
+
+Sat Jun 8 13:44:14 1996 Stephen L Moshier (moshier@world.std.com)
+
+ * reload.c (find_equiv_reg): Set need_stable_sp if GOAL is the
+ stack pointer.
+
+Sat Jun 8 13:36:05 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * function.c (fixup_var_refs_1, case SIGN_EXTEND): Handle
+ paradoxical SUBREGs as first operand.
+ (fixup_var_regs_1, case SET): Handle paradoxical SUBREGs as
+ first operand of a ZERO_EXTRACT in SET_DEST.
+
+ * c-common.c (enum attrs): Add A_FORMAT_ARG.
+ (init_attribute): Initialize it.
+ (decl_attributes, case A_FORMAT): Clean up error messages.
+ (decl_attributes, case A_FORMAT_ARG): New case.
+ (struct international_format_info): New structure and typedef.
+ (international_format_list): New variable.
+ (record_international_format): New function.
+ (init_format_info): Call it for gettext, dcgettext, and dcgettext.
+ (check_format_info): See if format arg is call to
+ internationalization function.
+
+Fri Jun 7 20:04:40 1996 Jim Wilson <wilson@cygnus.com>
+
+ * gcc.c (MULTILIB_SELECT): Delete definition.
+ (multilib_select): Delete static initializer.
+ (multilib_obstack, multilib_raw): New global variables.
+ (multilib.h): Include inside multilib_raw definition.
+ (main): Set multilib_select from multilib_raw.
+ * genmultilib: Change output to be a sequence of short strings
+ separated by commas rather than a single long macro definition.
+
+ * cse.c (simplify_binary_operation, case MULT): Check for case
+ where width is larger than HOST_BITS_PER_WIDE_INT, and upper most
+ bit is set. We can not generate a simple shift in this case.
+
+ * gsyms.h (enum sdb_type): Add T_LNGDBL if EXTENDED_SDB_BASIC_TYPES.
+ (enum sdb_masks): Add EXTENDED_SDB_BASIC_TYPES masks.
+ * sdbout.c (gsyms.h): Include if CROSS_COMPILE is defined.
+ (plain_type_1): Use TYPE_PRECISION instead of TYPE_SIZE.
+ Add check for LONG_DOUBLE_TYPE_SIZE if EXTENDED_SDB_BASIC_TYPES.
+ * i960/i960.h (EXTENDED_SDB_BASIC_TYPES): Define.
+ (PUT_SDB_TYPE): Delete now unnecessary shifting and masking.
+
+ * i960/i960.h (i960_output_move_{double,quad}): Declare.
+
+Fri Jun 7 19:22:09 1996 Scott Christley <scottc@net-community.com>
+
+ * Makefile.in (OBJC_THREAD_FILE): New variable.
+ * configure (objc_thread_file): Set new variable to appropriate
+ values based upon target operating system; default is `thr-single'.
+ * objc/Makefile (OBJC_THREAD_FILE): Add target and dependency.
+ (thr.o): Remove OS specific thread files as dependencies.
+ * objc/thr-decosf1.c: Now compiles as a separate source file, so
+ include appropriate Objective-C headers.
+ * objc/thr-{mach,os2,posix,irix,single,solaris,win32}.c: Likewise.
+ * objc/thr.c: Remove inclusion of source files.
+ * objc/thr.h (__objc_thread_exit_status): Declare global variable.
+ * objc/thr-pthreads.c: New file.
+
+Fri Jun 7 19:04:04 1996 J.T. Conklin <jtc@rtl.cygnus.com>
+
+ * m68k.h (TARGET_SWITCHES): Treat -m68302 like -m68000 and -m68332
+ like -m68020; remove -mno-68302 and -mno-68332.
+
+Fri Jun 7 12:06:12 1996 Per Bothner <bothner@deneb.cygnus.com>
+
+ * expr.c (safe_from_p): Allow Chill-style variable-sized arrays.
+
+Thu Jun 6 23:11:11 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300.c (h8300_monitor_function_p): New function.
+ (h8300_os_task_function_p): Likewise.
+ (os_task, monitor): Variables to note if the current
+ function is an os_task or monitor.
+ (function_prologue): Set monitor and/or os_task as needed. Handle
+ os_task and monitor functions.
+ (function_epilogue): Clear monitor and os_task. Handle os_task and
+ monitor functions.
+ (h8300_valid_machine_decl_attribute): Accept "OS_Task" and
+ "monitor".
+
+Thu Jun 6 20:01:54 1996 Per Bothner <bothner@cygnus.com>
+
+ * gen-protos.c (progname): New variable (needed by cppalloc.c).
+ (main): Set progname.
+
+ * cpplib.h (struct parse_file): Removed.
+ (CPP_FATAL_LIMIT, CPP_FATAL_ERRORS, CPP_OUT_BUFFER): New macros.
+ * cpphash.c (cpp_lookup): Change struct parse_file -> cpp_reader.
+
+ * cpplib.c (init_parse_option): Renamed to cpp_options_init.
+ (push_parse_file): Renamed to ...
+ (cpp_start_read): Change to return 1 on success, 0 on failure.
+ (init_parse_file): Renamed to cpp_reader_init.
+ * cppmain.c (main): Use CPP_SET_WRITTEN and cpp_fatal.
+ Use renamed function names, and return protocols.
+ * fix-header.c (read_scan_file): Likewise.
+
+ * cpperror.c (cpp_message): Generalize for "fatal" errors.
+ (cpp_fatal): New function (just calls cpp_message).
+ * cpplib.c (cpp_start_read, cpp_handle_options, cpp_finish,
+ parse_goto_mark, parse_move_mark): Use cpp_fatal rather than fatal.
+
+ * fix-header.c (check_macro_names): Fix struct parse_file->cpp_reader.
+ * cpplib.c (newline_fix): Remove unused function.
+
+Thu Jun 6 19:47:26 1996 Jim Wilson <wilson@cygnus.com>
+
+ Changes to support parameters and return values in multiple
+ non-contiguous locations.
+ * calls.c (expand_call): Handle NIL in PARALLEL. Handle PARALLEL
+ parameter in REG. Handle PARALLEL return value in VALREG.
+ (emit_library_call, emit_library_call_value): Abort for PARALLEL.
+ (store_one_arg): Delete code for handling EXPR_LIST.
+ * expr.c (emit_group_load, emit_group_store): New functions.
+ (use_group_regs): New function.
+ (emit_push_insn): Handle PARALLEL parameter in REG.
+ (expand_assignment): Handle PARALLEL to_rtx.
+ (store_expr): Handle PARALLEL target.
+ * expr.h (emit_group_load, emit_group_store, use_group_regs): New
+ declarations.
+ * function.c (assign_parms): Handle PARALLEL parameter in ENTRY_PARM.
+ * stmt.c (expand_value_return): Handle PARALLEL return_reg.
+
+ * mips/abi64.h (TYPE_DEPENDENT_REG): Delete.
+ * mips/mips.c (function_arg): Return PARALLEL for structure with
+ aligned double fields.
+ (type_dependent_reg): Delete.
+ (mips_function_value): Return PARALLEL for structure
+ with two floating point fields.
+ * mips/mips.md (call_value): Handle PARALLEL in operands[0].
+ (call_value_multiple_internal2): New pattern.
+ * pa/pa.h (FUNCTION_ARG): General PARALLEL instead of EXPR_LIST.
+ * rs6000/rs6000.c (init_cumulative_args): Change EXPR_LIST to PARALLEL
+ in comments.
+ (function_arg): Generate PARALLEL instead of EXPR_LIST.
+
+Thu Jun 6 18:21:27 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * function.c (assign_parms): Tighten up code that makes REG_EQUIV
+ notes for parms.
+
+ * fold-const.c (fold): Don't do anything with evaluated SAVE_EXPR.
+
+Thu Jun 6 17:54:07 1996 J.T. Conklin <jtc@cygnus.com>
+
+ * m68k.h (TARGET_SWITCHES): Group all floating point options.
+ When an fp option is selected, unset bits used for other mutually
+ exclusive fp options.
+ (OVERRIDE_OPTIONS): Remove special case for SUPPORT_SUN_FPA;
+ bits used for 68881 and SKY are now cleared by TARGET_SWITCHES.
+
+ * m68k.md (movsi_const0, movhi): Favor clr with TARGET_5200.
+ (add[qhs]3): Don't use two addqw/subqw insns to add small integers to
+ an address register with TARGET_68060.
+ (stack push peephole): Use moveq.l with TARGET_5200 (when appropriate).
+
+ * m68k.h (MASK_5200, TARGET_5200): New macros.
+ (TARGET_SWITCHES): Add "m5200".
+ (LEGITIMATE_INDEX_P): Add TARGET_5200 to conditional expression.
+ * m68k.c (const_method): Do not synthesize long constants
+ with byte or word operations with TARGET_5200.
+ * m68k.md: Disable byte and word arithmetic, rotate, integer
+ divide, dbcc, etc. insns for TARGET_5200.
+ * m68k-none.h: (CPU_FPU_SPEC, CPP_SPEC, ASM_SPEC): Support m5200.
+
+Thu Jun 6 17:32:32 1996 Paul Eggert <eggert@twinsun.com>
+
+ * fixproto (subdirs): Work around Solaris 2.5
+ /usr/xpgr/bin/sed problem with \+\+.
+
+Thu Jun 6 15:06:27 1996 Jim Wilson <wilson@cygnus.com>
+
+ * c-decl.c (grokdeclarator): Call pop_obstacks after creating
+ TYPE_DECL.
+
+ * loop.c (strength_reduce): If HAVE_cc0 defined, disable auto_inc_opt
+ if it would put an insn between a cc0 setter/user pair.
+
+Thu Jun 6 13:06:54 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/sysv4.h (LIBGCC2_WORDS_BIG_ENDIAN): If __sun__ is
+ defined, treat that as little endian.
+
+Wed Jun 5 20:04:53 1996 Jim Wilson <wilson@cygnus.com>
+
+ * i960/i960.h (ROUND_TYPE_ALIGN): Add check for TYPE_PACKED.
+
+ * sh/sh.h (SHORT_IMMEDIATES_SIGN_EXTEND): Define.
+ * sh/sh.md (branch_true): Add comment about T-bit compares.
+
+Tue Jun 4 23:08:34 1996 Per Bothner <bothner@deneb.cygnus.com>
+
+ * cpplib.h, cpplib.c: Remove support for !STATIC_BUFFERS.
+ * cpplib.h: Use unsigned char rather than U_CHAR.
+ * cpplib.h (cpp_reader): Add destructor #ifdef __cplusplus.
+ (cpp_cleanup): New prototype.
+ * cpplib.c (special_symbol, do_once, do_include, cpp_get_token):
+ Compare cpp_buffer against CPP_NULL_BUFFER, not NULL.
+
+ * cpplib.c (dump_special_to_buffer): New function.
+ (initialize_builtins): Use it.
+
+Wed Jun 5 19:10:22 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * pa/pa.h (TEXT_SPACE_P): Fix thinko in last change.
+
+Wed Jun 5 16:25:51 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.h (ASM_DEFAULT_SPEC): Default to "", not -mpwr.
+
+ * sysv4.h (SUBTARGET_SWITCHES): Add -mshlib.
+ (LINK_PATH_SPEC): Add -compat-bsd support from Solaris.
+ (LINK_SPEC): Eliminate %{b} and %{G}, since they conflict with GCC
+ switches. Defer shared library support to LINK_SHLIB_SPEC. Defer
+ target selection to LINK_TARGET_SPEC.
+ (LINK_SHLIB_SPEC): Provide two different versions, depending on
+ whether shared libraries are default or not. Make shared
+ libraries not default until linker is fixed.
+ (LINK_OS_*_SPEC): New specs for OS specific linker switches.
+ (SUBTARGET_EXTRA_SPECS): Add new specs.
+
+ * {sol2,sysv4}.h (LINK_SPEC): Move Solaris link into the general
+ link spec.
+
+ * {sysv4,sysv4le,eabile}.h (LINK_TARGET_SPEC): Only pass -oformat
+ to the linker if the user is changing the default endian format.
+
+ * {sol2,linux,eabisim,eabilesim}.h (LINK_OS_DEFAULT_SPEC): Define
+ to use the appropriate OS link spec.
+
+Wed Jun 5 16:35:10 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * ginclude/stddef.h: Fix typo: TYPE_ptrdiff_t to _TYPE_ptrdiff_t.
+
+Wed Jun 5 15:52:57 1996 Per Bothner <bothner@kalessin.cygnus.com>
+
+ * varasm.c (output_constructor): Handle RANGE_EXPR in array index.
+
+Wed Jun 5 13:45:54 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * sparc.md (*call_{address,symbolic}_struct_value_sp32): Allow
+ operand 2 to be const0_rtx.
+
+Tue Jun 4 16:43:44 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * varasm.c (make_decl_rtl): Don't update DECL_ASSEMBLER_NAME for
+ local statics.
+
+ * c-decl.c (start_decl): Always set DECL_COMMON on statics.
+ * varasm.c (assemble_variable): Only treat vars with DECL_COMMON
+ as common.
+
+Tue Jun 4 14:55:49 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * pa.c (reloc_needed): New function.
+ * pa.h (TEXT_SPACE_P): Variables/constants with initializers
+ requiring relocs never live in the text space.
+
+Tue Jun 4 14:10:46 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * sh.c (fp_zero_operand): Do not accept minus zero.
+
+ * sh.h (ASM_OUTPUT_LOOP_ALIGN): Define.
+ (ASM_OUTPUT_ALIGN_CODE): Define.
+ (ADJUST_INSN_LENGTH): Add in bytes that may be added by
+ alignment.
+ * sh.c (output_branch): Run ADJUST_INSN_LENGTH in reverse to get
+ correct length. Just call abort rather than returning "bad".
+ (find_barrier): Adjust limits for possible alignment.
+
+Tue Jun 4 09:35:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/t-solaris: New target config file for PowerPC Solaris
+ without gas.
+
+ * rs6000/t-ppc: Eliminate all multilib varients except for
+ software floating point.
+
+ * configure (powerpcle-*-solaris*): If not --with-gnu-as, use
+ t-solaris, not t-ppc.
+
+ * rs6000/sol2.h (MULTILIB_DEFAULTS): Add correct defaults for
+ Solaris.
+
+ * rs6000/sysv4.h (ASM_OUTPUT_SECTION_NAME): Clone from svr4.h, omit
+ @progbits, since Solaris assembler doesn't like it.
+ (LIB_SOLARIS_SPEC): If -msolaris-cclib, add libabi.a.
+ ({START,END}FILE_SOLARIS_SPEC): If -msolaris-cclib, use explicit
+ pathnames for the Solaris compiler start/end files.
+ (ASM_SPEC): Pass -mno-regnames to the assembler.
+
+Mon Jun 3 19:40:10 1996 Jim Wilson <wilson@cygnus.com>
+
+ * mips/abi64.h (CPP_SPEC): Make -mabi=n32 the default.
+ * mips/iris6.h (MIPS_ISA_DEFAULT, MIPS_ABI_DEFAULT, MULTILIB_DEFAULTS,
+ ASM_SPEC, STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
+ * mips.md (tablejump_internal4+1): Fix typo in condition.
+ * mips/x-iris6 (CC, OLDCC): Define to be `cc -32'.
+
+Mon Jun 3 07:57:35 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * tree.def ([LR]SHIFT_EXPR): Remove `a' from printed names.
+
+ * sparc.md (call): Mask unimp operand to 12 bits, just like Sun.
+
+ * expr.c (store_field): Fix typo in last change; update TARGET addr.
+
+ * c-decl.c (start_struct): Set TYPE_PACKED from flag_pack_struct.
+ (start_enum): Likewise but from flag_short_enums.
+ (finish_enum): Test TYPE_PACKED, not flag_short_enums.
+ * stor-layout.c (layout_decl): Test DECL_PACKED and TYPE_PACKED
+ instead of flag_pack_struct.
+ (layout_record): Likewise.
+
+Sun Jun 2 19:41:14 1996 Jim Wilson <wilson@cygnus.com>
+
+ * mips.md (tablejump_internal3, tablejump_internal4): New patterns.
+ (tablejump): Use them for PIC code.
+
+Fri May 31 17:26:53 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.c (ix86_expand_epilogue): Don't generate references to an
+ exposed vacated stack.
+ * i386.md (epilogue_set_stack_ptr): New.
+
+Fri May 31 15:07:49 1996 Jim Wilson <wilson@cygnus.com>
+
+ * mips/abi64.h: Add -mabi=n32 support.
+ (ABI_64BIT): Delete.
+ (TARGET_LONG64, CPP_SPEC, STACK_BOUNDARY, MIPS_STACK_ALIGN,
+ GP_ARG_LAST, FP_ARG_LAST, SUBTARGET_CONDITIONAL_REGISTER_USAGE,
+ MAX_ARGS_IN_REGISTER, FUNCTION_ARG_PADDING, RETURN_IN_MEMORY,
+ SETUP_INCOMING_VARARGS): Modify.
+ (REG_PARM_STACK_SPACE): Ifdef out.
+ (TARGET_DEFAULT, SUBTARGET_TARGET_OPTIONS): Define.
+ * mips/iris6.h: Add -mabi=n32 support.
+ (TARGET_DEFAULT, ASM_OUTPUT_INTERNAL_LABEL,
+ ASM_GENERATE_INTERNAL_LABEL): Delete.
+ (MULTILIB_DEFAULTS, ASM_SPEC, EXTRA_SECTION_FUNCTIONS,
+ ASM_OUTPUT_ALIGNED_LOCAL, STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC):
+ Modify.
+ (MIPS_ABI_DEFAULT, LOCAL_LABEL_PREFIX): Define.
+ * mips/mips.c: Add -mabi=n32 support.
+ (mips_const_double_ok, mips_move_1word, mips_move_2words,
+ function_arg, override_options, mips_asm_file_start,
+ compute_frame_size, save_restore_insns, function_prologue,
+ mips_expand_prologue, function_epilogue, mips_function_value): Modify.
+ (mips_abi, mips_abi_string): Define
+ * mips/mips.h: Add -mabi=n32 support.
+ (ABI_64BIT): Delete.
+ (TARGET_OPTIONS, INITIAL_ELIMINATION_OFFSET, GO_IF_LEGITIMATE_ADDRESS,
+ CONSTANT_ADDRESS_P, LEGITIMATE_CONSTANT_P, LEGITIMIZE_ADDRESS,
+ ASM_OUTPUT_ADDR_DIFF_ELT): Modify.
+ (enum mips_abi_type, SUBTARGET_TARGET_OPTIONS): Define.
+ (mips_abi, mips_abi_string): Declare.
+ * mips/mips.md (jump, tablejump_internal1, tablejump_internal2): Add
+ -mabi=n32 support.
+ * mips/t-iris6 (MULTILIB_OPTIONS): Add -mabi=n32 support.
+ * mips/xm-irix6.h (HOST_BITS_PER_LONG): Use _MIPS_SZLONG not 64.
+ * ginclude/va-mips.h (va_start): Add -mabi=n32 support.
+
+Fri May 31 14:45:30 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/sysv4.h (SUBTARGET_SWITCHES): Add -msolaris-cclib to use
+ the Sun compiler's crt files instead of ours.
+ ({START,END}FILE_SOLARIS_SPEC): If -msolaris-cclib, use the Sun
+ compiler's crt files instead of ours.
+ (SUBTARGET_OVERRIDE_OPTIONS): Don't set -msdata=data for Solaris.
+ (SBSS_SECTION_ASM_OP): For Solaris, don't use @nobits.
+ (CPP_OS_SOLARIS_SPEC): Remove -Asystem(unix) and -Asystem(svr4).
+
+ * rs6000/t-ppc{,gas} (MULTILIB*): Add Solaris specific multilibs.
+
+ * rs6000/eabi{,le}sim.h (*_DEFAULT_SPEC): Rather than using
+ duplicate definitions, just use %(...) so that there is only one
+ place in the specs file where the switches are defined.
+ * rs6000/{linux,sol2}.h (*_DEFAULT_SPEC): Ditto.
+
+ * rs6000/sol2.h (CPP_PREDEFINES): Use the standard one in sysv4.h.
+ (RS6000_ABI_NAME): Default is solaris.
+ (ASM_OUTPUT_ALIGNED_LOCAL): Don't redefine.
+
+ * rs6000/sol-c{i.asm,n.asm,c0.c}: Provide more things that Solaris
+ needs for program startup.
+
+Thu May 30 21:57:34 1996 Mike Stump <mrs@cygnus.com>
+
+ * tree.def (OFFSET_REF): Remove.
+ * expr.c (expand_expr, case OFFSET_REF): Likewise.
+ * tree.c (substitute_in_expr): Remove OFFSET_REF code.
+
+Wed May 29 14:54:44 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/eabi.asm (__eabi): If not -mrelocatable, don't assemble
+ relocatable functions, so that it can be assembled with the
+ Solaris assembler.
+
+ * rs6000/sysv4.h (CPP_SYSV_SPEC): Define _RELOCATABLE if
+ -mrelocatable-lib as well as -mrelocatable.
+
+ * rs6000.c (rs6000_file_start): New function to print some more
+ information to the asm file.
+ * rs6000/{sysv4,win-nt,rs6000}.h (ASM_FILE_START): Call it.
+
+Tue May 28 15:21:24 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.h (FIRST_PSEUDO_REGISTER): Bump to 77. The new fpmem
+ register represents the memory location used for float/int
+ conversions.
+ ({FIXED,CALL_USED}_REGISTERS): Add support for the fpmem pseudo
+ register.
+ (REG_ALLOC_ORDER): Ditto.
+ (HARD_REGNO_{NREGS,MODE_OK}): Ditto.
+ (REGISTER_MOVE_COST): Ditto.
+ (reg_class): Ditto.
+ (REG_CLASS_{NAMES,CONTENTS}): Ditto.
+ (REGNO_REG_CLASS): Ditto.
+ (PREFERRED_RELOAD_CLASS): Ditto.
+ (CLASS_{MAX_NREGS,CANNOT_CHANGE_SIZE,MAX_NREGS}): Ditto.
+ (rs6000_stack): Ditto.
+ ({,DEBUG_}REGISTER_NAMES): Ditto.
+ (FPMEM_{REGNO_P,REGNUM}): New macros for fpmem register.
+ (rs6000_fpmem_{offset,size}): New global variables.
+ (RS6000_VARARGS_OFFSET): Fpmem temporary storage is located
+ between outgoing arg area and varargs save area.
+ (STARTING_FRAME_OFFSET): Ditto.
+ (STACK_DYNAMIC_OFFSET): Ditto.
+ (PREDICATE_CODES): Add fpmem_operand.
+ ({count_register,fpmem}_operand): Add declarations.
+
+ * rs6000.c ({rs6000,alt}_reg_names): Add support for fpmem
+ 'register'.
+ (rs6000_fpmem_{offset,size}): New global variables.
+ (fpmem_operand): Return true for fpmem registers.
+ (gpc_reg_operand): The fpmem register is not general purpose.
+ (includes_rshift_p): Add casts to silence warnings from Solaris
+ PowerPC host compiler.
+ (print_operand): Add 'v' operand type for the upper 16 bits of
+ signed constants, to placate the Solaris assembler.
+ ({rs6000,debug}_stack_info): Add support for fpmem 'register'.
+ (output_epilog): Ditto.
+
+ * rs6000.md (addsi3,movsi,movsf,movdi): Use %v for constants with
+ the upper 16 bits, to get the sign correct for PowerPC Solaris.
+ (float{,uns}sidf2,fix_truncdfsi2): Rewrite to use 'register' 76
+ for the memory location used to convert between float and integer.
+
+ * sysv4.h (ASM_OUTPUT_{CON,DE}STRUCTOR): Use code laid down in
+ .init and .fini for making constructors and destructors under
+ Solaris.
+ (ASM_SPEC): Do not pass -u to the assembler.
+ (CC1_SPEC): -mrelocatable implies -meabi.
+
+ * sol2.h (RS6000_ABI_NAME): Default ABI is Solaris, not System
+ V.4.
+ (ASM_OUTPUT_ALIGNED_LOCAL): Don't define a Solaris specific
+ method.
+
+Mon May 27 06:39:13 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * expr.c (expand_builtin, case BUILT_IN_{LONG,SET}JMP):
+ Convert block address from ptr_mode to Pmode.
+
+Sun May 26 20:05:43 1996 Doug Evans <dje@cygnus.com>
+
+ * gcc.c (MSDOS pexecute): Call xmalloc, not malloc.
+
+Sun May 26 08:31:54 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * configure (vax-*-{sysv}): tm_file and xm_file now list.
+ (vax-*-ultrix): tm_file is now list.
+ (we32k-att-sysv*): xm_file now list.
+ * vax/xm-netbsd.h: Deleted.
+ * vax/netbsd.h: No longer include vax.h and config/netbsd.h.
+ * vax/ultrix.h, vax/vaxv.h: No longer include vax.h.
+ * vax/xm-vaxv.h: No longer include xm-vax.h.
+ * xm-we32k.h: No longer include xm-svr3.h.
+
+ * configure: Separately set target_cpu_default for two
+ case statements and then combine if both set.
+ (alpha-*-winnt3): tm_file and xm_file are now list.
+ Set target_cpu_default to 64.
+ * winnt/config-nt.bat: Make .h files properly for Alpha.
+ * alpha.h (WINDOWS_NT): No longer defined and used.
+ (MASK_WINDOWS_NT, TARGET_WINDOWS_NT): New macros.
+ (ASM_OUTPUT_ADDR_DIFF_ELT): Use TARGET_WINDOWS_NT.
+ * alpha.c (output_prolog): Test TARGET_WINDOWS_NT, not WINDOWS_NT.
+ * alpha.md: Likewise.
+ * alpha/config-nt.sed: Properly set tm_file and {build,host}_xm_file.
+ * alpha/win-nt.h: Don't include alpha.h
+ (WINDOWS_NT): No longer define.
+ * alpha/xm-winnt.h: Don't include xm-alpha.h and winnt/xm-winnt.h.
+
+Fri May 24 12:34:22 1996 Doug Evans <dje@seba.cygnus.com>
+
+ * configure (cpu_type): Add case for arm.
+ (sparclet-*-aout*): Delete extra_headers.
+
+ * varasm.c (asm_output_bss): New argument DECL.
+ Use ASM_DECLARE_OBJECT_NAME if defined.
+ (asm_output_aligned_bss): Likewise.
+ (assemble_variable): Pass DECL to ASM_OUTPUT{,_ALIGNED}_BSS.
+ * arm/aout.h (ASM_OUTPUT_ALIGNED_BSS): Update.
+ * h8300/h8300.h (ASM_OUTPUT_BSS): Update.
+ * i386/linux.h (ASM_OUTPUT_ALIGNED_BSS): Update.
+ * i386/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update.
+ * m68k/coff.h (ASM_OUTPUT_ALIGNED_BSS): Update.
+ * m68k/linux.h (ASM_OUTPUT_ALIGNED_BSS): Update.
+ * m68k/m68k-aout.h (ASM_OUTPUT_BSS): Update.
+ * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update.
+ * rs6000/win-nt.h (ASM_OUTPUT_ALIGNED_BSS): Update.
+ * sparc/sysv4.h (ASM_OUTPUT_ALIGNED_BSS): Update.
+
+Thu May 23 19:55:52 1996 Jim Wilson <wilson@cygnus.com>
+
+ * combine.c (set_nonzero_bits_and_sign_copies): Set
+ reg_sign_bit_copies to one not zero to indicate that the value
+ is unknown.
+
+Thu May 23 18:39:24 1996 J.T. Conklin <jtc@rtl.cygnus.com>
+
+ * config/netbsd.h (SWITCH_TAKES_ARG): Add -R.
+ (LINK_SPEC): Add %{R*}.
+
+ * m68k/lb1sf68.asm: Construct exception masks at compile time
+ instead of or'ing in bits at run time.
+
+Thu May 23 15:53:06 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * sh/sh.md: Add new instruction types fp and fpdiv. Set new
+ instruction types where appropriate. Add function unit fp.
+ Claim that store instructions use function unit memory.
+
+Thu May 23 00:36:19 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300/h8300.h (CONSTANT_ADDRESS_P): Don't accept CONST or HIGH
+ on the H8/300H.
+ * h8300/h8300.md: Use "m" rather than "o" constraint everywhere
+ appropriate. Cleanup use of "i" and "n" constraints.
+
+Wed May 22 17:43:37 1996 Jim Wilson <wilson@cygnus.com>
+
+ * fixincludes (pthread.h): Add extern to __page_size* declarations
+ for AIX 4.1.x.
+
+ * combine.c (nonzero_bits): Don't assume arg pointer has same
+ alignment as stack pointer.
+
+Wed May 22 16:09:05 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/sysv4.h (LINK_START_DEFAULT_SPEC): Spell macro correctly.
+ (LIB_DEFAULT_SPEC): Provide default version.
+
+Wed May 22 11:23:57 1996 J"orn Rennecke (amylaar@meolyon.hanse.de)
+
+ * i386.md (return_pop_internal): new pattern.
+ (pop): disable emitting of bogus move instruction.
+ * i386.c (ix86_expand_epilogue): use gen_return_pop_internal to
+ simultanously return and pop args; removed stray semicolon.
+ * config/linux-aout.h, config/linux.h (SET_ASM_OP): Added for
+ __attribute__ ((alias ())) support.
+
+Wed May 22 08:06:42 1996 Richard Kenner <kenner@vlsi1.ultra.nyu.edu.edu>
+
+ * combine.c (init_reg_last_arrays, setup_incoming_promotions):
+ Correct prototypes.
+
+Tue May 21 13:42:17 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300/h8300.md (div patterns): Rewrite.
+ (mod patterns): Likewise.
+
+ * pa/pa.c (basereg_operand): Never accept a CONST_INT.
+
+Tue May 21 12:26:40 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * pa/pa-hpux9.h, pa-osf.h (LINK_SPEC): Provide version for Snake.
+
+Tue May 21 07:20:48 1996 Pat Rankin <rankin@eql.caltech.edu>
+
+ * vax.h (TARGET_NAME): Define unless already defined.
+ (TARGET_VERSION): Print TARGET_NAME.
+ * vax/vms.h (TARGET_NAME): Always redefine.
+ (TARGET_VERSION): Delete; retain vax.h definition.
+
+Mon May 20 14:00:44 1996 Jim Wilson <wilson@cygnus.com>
+
+ * sh.c (output_file_start): Delete misplaced semicolon.
+
+Mon May 20 11:58:15 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * reorg.c (relax_delay_slots): Call update_block before
+ redirecting a branch past a redundant insn.
+
+Sun May 19 16:40:53 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
+
+ * Makefile.in (libobjc.a, sublibobjc.a): 'specs' added to
+ dependencies.
+
+Sun May 19 12:25:48 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * configure: Add new switch to provide default for cpu_type;
+ delete numerous settings of it in main switch.
+ (hppa): Reflect rerrangements below; use new configure features.
+ * pa/pa-gas.h, pa/pa-pro-end.h: New files.
+ * pa/pa1.h, pa/pa1-osf.h, pa/pa1-ghpux.h, pa/pa1-oldas.h: Deleted.
+ * pa/pa1-ghpux9.h, pa/pa1-hpux9.h, pa/pa1-hpux.h: Deleted.
+ * pa/pa1-ghiux.h, pa/pa1-hiux.h, pa/pa-ghpux.h: Deleted.
+ * pa/pa-gux7.h, pa/pa-ghiux.h: Deleted.
+ * pa/pa-hiux.h: No longer include pa-hpux.h.
+ * pa/pa-hpux.h: No longer include pa.h.
+ (TARGET_DEFAULT): Unset before setting.
+ (LINK_SPEC): Provide option for pa1.
+ * pa/pa-hpux7.h: No longer include pa.h.
+ (HP_FP_ARG_DESCRIPTOR_REVERSED): Don't define here.
+ * pa/pa-hpux9.h, pa/pa-oldas.h: No longer include pa-hpux.h.
+ (TARGET_DEFAULT): Don't need to set here.
+ * pa/pa-osf.h: No longer include pa.h.
+ (TARGET_DEFAULT): Don't define; identical to default.
+ * pa/pa-pro.h: No longer include pa.h.
+ Move definitions after include to new file pa-pro-end.h.
+ * pa.h (TARGET_SWITCHES): Include TARGET_CPU_DEFAULT.
+ (TARGET_CPU_DEFAULT): Provide default value.
+ (CPP_SPEC): Test TARGET_CPU_DEFAULT too.
+
+ * Makefile.in (function.o): Includes bc-emit.h.
+ (reg-stack.o): Includes insn-flags.h.
+ * expr.h (function_value): Deleted; no such function.
+ (bc_build_calldesc, bc_runtime_type_code): New declarations.
+ * c-decl.c: Add prototypes for all static functions.
+ * c-iterate.c: Likewise.
+ * dbxout.c: Likewise.
+ (adspath): Delete; never used and has numerous parse errors.
+ * dwarfout.c: If not GNUC, make `inline' null; otherwise, leave alone.
+ Add `static' to inline functions.
+ Add prototypes for static function.
+ * expr.c (bc_runtime_type_code): Delete redundant declaration.
+ * function.c: Include bc-emit.h.
+ ({save,restore}_machine_status): Add prototype for args.
+ (bc_runtime_type_code, bc_build_calldesc): Delete redundant decls.
+ (bc_emit_trampoline, bc_end_function): Likewise.
+ * reg-stack.c: Include insn-flags.h.
+ Add prototypes for static functions.
+ (gen_jump, gen_movdf, gen_movxf): Delete redundant declarations.
+ (find_regno_note, emit_jump_insn_before, emit_label_after): Likewise.
+ (swap_rtx_condition): Now static.
+ * sdbout.c: Add prototypes for static functions.
+ (sdbout_parms, sdbout_reg_parms): Delete extra parm to plain_type.
+
+Sun May 19 11:50:10 1996 John Carr <jfc@mit.edu>
+
+ * alpha.c (alpha_emit_conditional_move): Compare to 0 in correct mode.
+
+Sat May 18 20:17:27 1996 Jim Wilson <wilson@cygnus.com>
+
+ * sh.c (prepare_move_operands): If source is r0, and dest is reg+reg
+ MEM, then copy source to a pseudo-reg.
+ * sh.md (untyped_call): New pattern.
+
+ * unroll.c (copy_loop_body): When update split DEST_ADDR giv,
+ check to make sure it was split.
+ (find_splittable_givs): Fix reversed test of verify_addresses result.
+
+Sat May 18 10:26:04 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * tree.c (unsave_expr_now): Avoid use of NULL_RTX since no rtl.h.
+
+ * configure: Set cpu_default, tm_file, and xm_file early.
+ Remove redundant settings of those, tmake_file, and xmake_file.
+ Use ${tm_file} and ${xm_file} to refer to the main files.
+ Sort some entries for consistency and reformat some others.
+ (rs6000, powerpc): Remove bogus test on host == target.
+ (alpha-*-linux): xm-linux.h no longer includes xm-alpha.
+ (alpha-*-osf*): Remove redundant setting of target_cpu_default.
+ (*-convex-*): Use target_cpu_default instead of separate .h files.
+ (clipper-intergraph-clix*): clix.h no longer includes any files.
+ (i860, i960, pdp11): Reflect removal of includes listed below.
+ * alpha/xm-linux.h: No longer include xm-alpha.h.
+ * clipper/clix.h: No longer include clipper.h and svr3.h.
+ * convex.h: Provide a default for TARGET_DEFAULT.
+ Take "or" of TARGET_DEFAULT and TARGET_CPU_DEFAULT everywhere.
+ * convex/convex{1,2,32,34,38}.h: Deleted.
+ * i860/bsd-gas.h: No longer include bsd.h.
+ * i860/bsd.h: No longer include i860.h.
+ * i860/fx2800.h: No longer include i860/sysv4.h.
+ (OUTPUT_TDESC): No longer define.
+ (ASM_FILE_END): Move redefinition to here.
+ * i860/mach.h: No longer include i860.h.
+ * i860/paragon.h, i860/sysv3.h: No longer include i860.h and svr3.h.
+ * i860/sysv4.h: No longer include i860.h and svr4.h.
+ (ASM_FILE_END): Delete redefinition from here.
+ * i860/xm-fx2800.h: No longer include xm-i860.h.
+ * i860/xm-paragon.h, i860/xm-sysv{3,4}.h: Deleted.
+ * i960/i960-coff.h: No longer include i960.h and dbxcoff.h.
+ * i960/vx960-coff.h: No longer include i960-coff.h.
+ * i960/vx960.h: No longer include i960.h.
+ * pdp11/2bsd.h: No longer include pdp11.h.
+
+ * i370/i370.h: Renamed from mvs.h.
+ * i370/i370.c: Renamed from mvs370.c.
+ * i370/t-i370: Renamed from t-mvs.
+ * i370/xm-i370.h: Renamed from xm-mvs.h.
+ * configure (i370-*-mvs*): Use default names for all files.
+
+ * c-parse.in: Update number of shift/reduce conflicts for objc.
+
+Sat May 18 08:20:17 1996 Dennis Glatting (dennisg@plaintalk.bellevue.wa.us)
+
+ * m68k/next.h (FINALIZE_TRAMPOLINE): Add missing backslashes.
+
+Fri May 17 19:57:20 1996 Pat Rankin <rankin@eql.caltech.edu>
+
+ * vax/xm-vms.h (dbxout_resume_previous_source_file): New macro.
+
+Fri May 17 14:20:13 1996 Mike Stump <mrs@cygnus.com>
+
+ * expr.c (expand_expr, cond TARGET_EXPR): Make TARGET_EXPRs
+ redoable for UNSAVE_EXPR.
+ * stmt.c (expand_decl_cleanup): Wrap the cleanup in an UNSAVE_EXPR
+ to that we can redo it.
+ * tree.c (unsave_expr_now): Handle TARGET_EXPRs fully now.
+ * tree.def (TARGET_EXPR): Add a fourth field so that TARGET_EXPRs
+ are redoable.
+
+ * expr.c (expand_expr, cond UNSAVE_EXPR): Move from the C++
+ frontend to the backend where it belongs.
+ * tree.c (unsave_expr): Likewise.
+ (unsave_expr_now): Likewise.
+ * tree.def (UNSAVE_EXPR): Likewise.
+ * tree.h (unsave_expr): Likewise.
+ (unsave_expr_now): Likewise.
+
+Fri May 17 15:04:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.md (lshrsi3 insns): Add special case code for shifting by
+ 0 to avoid bad code generated with no optimization.
+
+Fri May 17 13:50:55 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * i386/unix.h (ASM_OUTPUT_MI_THUNK): Define.
+ * i386/{att.h,bsd.h,sun386.h} (ASM_OUTPUT_MI_THUNK): Delete.
+
+Fri May 17 13:34:28 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * config/fp-bit.c (_fpdiv_parts): Correct sign handling when
+ dividing zero or infinity by something.
+
+Fri May 17 12:36:36 1996 Doug Evans <dje@seba.cygnus.com>
+
+ Standardize option output in assembler files.
+ * Makefile.in (toplev.o): Pass -DTARGET_NAME.
+ * arm/aout.h (ASM_OUTPUT_OPTIONS): Delete.
+ (ASM_FILE_START): Delete option output support.
+ * arm/arm.c (output_option, output_options, m_options): Delete.
+ * m88k/m88k.c (output_file_start): Delete option output support.
+ * m88k/m88k.h (ASM_COMMENT_START): Define.
+ * mips/mips.c (target_switches, print_options): Delete.
+ (mips_asm_file_start): Put output of -G,Cpu,ISA here.
+ * mips/mips.h (ASM_COMMENT_START): Change from "\t\t#" to " #".
+ * rs6000/rs6000.c (output_option, m_options, output_options): Delete.
+ * rs6000/rs6000.h (ASM_OUTPUT_OPTIONS): Delete.
+ (ASM_COMMENT_START): Define.
+ (ASM_FILE_START): Delete option output support.
+ * rs6000/sysv4.h (ASM_FILE_START): Likewise.
+ * rs6000/win-nt.h (ASM_FILE_START): Likewise. Delete duplicate.
+ * sh/sh.c (output_option, m_options, output_options): Delete.
+ (output_file_start): Delete option output support.
+ * sh/sh.h (ASM_FILE_START): Likewise.
+ (ASM_COMMENT_START): Define.
+ * dwarfout.c (*): flag_verbose_asm renamed to flag_debug_asm.
+ * flags.h (flag_debug_asm): Declare.
+ * toplev.c (print_version): New function.
+ (print_single_switch): New arguments pos, max, indent, sep, term.
+ (print_switch_values): New arguments pos, max, indent, sep, term.
+ Update call to print_single_switch. Output options passed and
+ options enabled.
+ (MAX_LINE): New macro.
+ (flag_debug_asm): Define.
+ (compile_file): Output options to assembler file.
+ (main): Recognize -dA. Call print_version. Update call to
+ print_switch_values.
+ (line_position): Deleted.
+
+Fri May 17 10:50:44 1996 Stan Cox (coxs@dg-rtp.dg.com)
+
+ * i386.c (function_prologue, ix86_expand_prologue,
+ function_epilogue, ix86_expand_epilogue): Generate prologue and
+ epilogue as RTL (prior to scheduling) instead of emitting asm.
+ (override_options): If only -march is given, make it the default -mcpu.
+ * i386.h (FUNCTION_BEGIN_EPILOGUE): Renamed from FUNCTION_EPILOGUE.
+ * i386.md (return, return_internal, prologue, prologue_set_got,
+ prologue_get_pc, epilogue, leave, pop): New patterns for emitting
+ asm from prologue and epilogue RTL.
+ * m88k/t-dgux (T_CFLAGS): Delete.
+ * m88k/x-dgux (X_CFLAGS): New.
+
+Fri May 17 09:54:23 1996 Jim Meyering (meyering@asic.sc.ti.com)
+
+ * Makefile.in (stamp-crt{,S}): Use -o to avoid conflicts if
+ both of these are built in parallel.
+
+Fri May 17 08:55:19 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * expmed.c (store_split_bit_field): Don't assume the alignment
+ of VALUE is the same as the record.
+
+ * configure: Write #define TARGET_CPU_DEFAULT into tm.h
+ instead of defining MAYBE_TARGET_DEFAULT in Makefile.
+ (alpha-*-linux): Set target_cpu_default to 4 and xmake_file to none.
+ (alpha-*-osf*): Set target_cpu_default to 4 if --gas.
+ * Makefile.in (gcc.o, toplev.o, $(out_object_file)):
+ Remove MAYBE_TARGET_DEFAULT.
+
+ * combine.c (insn_cuid): New function.
+ (INSN_CUID): Sometimes call it.
+
+Fri May 17 08:12:37 1996 Scott Christley <scottc@net-community.com>
+
+ * objc/sendmsg.c (objc_get_uninstalled_dtable): New function.
+ * objc/objc-api.h (objc_get_uninstalled_dtable): New declaration.
+
+ * objc/thr-os2.c, objc/thr-posix.c, objc/thr-mach.c: New files.
+ * objc/THREADS.MACH: New file.
+
+ * objc/sendmsg.c (nil_method): Deleted from here.
+ * objc/nil_method.c: New file.
+ * Makefile (OBJC_O): Add dependency for nil_method.c.
+
+ * objc/hash.c (hash_is_key_in_hash): New function.
+ * objc/hash.h: Include objc/objc.h here instead of in objc/hash.c
+ to get BOOL typedef.
+
+Fri May 17 08:01:48 1996 Doug Rupp (rupp@gnat.com)
+
+ * msdos/configur.bat: If Ada subdirectory present, adjust Makefile.
+
+Fri May 17 07:40:04 1996 Ulrich Drepper (drepper@cygnus.com)
+
+ * stddef.h: If need_wint_t defined, nothing in this file is needed.
+ (_WINT_T, __WINT__TYPE__, wint_t): Define under certain circumstances.
+
+Thu May 16 18:53:25 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * fold-const.c (fold, case EQ_EXPR): When folding VAR++ = CONST,
+ mask the new const if VAR is a bitfield reference; also for VAR--.
+
+Thu May 16 18:29:03 1996 Doug Evans <dje@seba.cygnus.com>
+
+ * varasm.c (function_section): Delete flag_function_sections support.
+ (assemble_start_function): Put it here. Use UNIQUE_SECTION if defined.
+
+Wed May 15 13:35:11 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.{h,c,md} (rs6000_pic_register): Delete all uses, use
+ pic_offset_table_rtx instead.
+
+ * rs6000.md (move_to_float): Rewrite so that it uses the register
+ allocator to allocate the stack temp, instead of calling
+ rs6000_stack_temp.
+ (fix_truncdfsi2): Ditto.
+
+ * rs6000.c (rs6000_stack_temp): Delete, no longer used.
+
+Wed May 15 10:39:27 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300/h8300.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Define.
+
+Sat May 11 07:42:59 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * expr.c (store_field): Support BLKmode bitfield if aligned on
+ byte boundary using emit_block_move.
+ (expand_expr, case COMPONENT_REF): Likewise.
+
+Fri May 10 18:33:39 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * configure (alpha-*-linux): Reverse order in tm_file list.
+ Delete xmake_file.
+ * alpha/x-linux: Deleted.
+ * alpha/linux.h (ASM_FINAL_SPEC): Add #undef.
+ * alpha/xm-linux.h: Remove bogus trailing #endif.
+
+ * loop.c (maybe_eliminate_biv_1): Disable all but two cases
+ of biv elimination with givs and restrict those two cases to
+ an ADD_VAL that is an address.
+
+ * flow.c (mark_set_1, mark_used_regs): Clean up usages
+ of ALL_NEEDED; change to SOME_NOT_NEEDED and set properly.
+
+Fri May 10 11:37:38 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * toplev.c (compile_file): Don't warn about artificial functions
+ declared static and not defined.
+
+Thu May 9 22:03:28 1996 Doug Evans <dje@cygnus.com>
+
+ * varasm.c (assemble_start_function): ASM_DECLARE_FUNCTION_NAME
+ needn't consider bytecodes.
+ (assemble_variable): ASM_DECLARE_OBJECT_NAME needn't
+ consider bytecodes.
+ * toplev.c (rest_of_decl_compilation): Likewise with
+ ASM_FINISH_DECLARE_OBJECT.
+ * arm/aof.h (ASM_DECLARE_{FUNCTION,OBJECT}_NAME): Delete bytecode
+ support.
+ * vax/vms.h (ASM_DECLARE_OBJECT_NAME): Likewise.
+
+Thu May 9 19:36:13 1996 Jim Wilson <wilson@cygnus.com>
+
+ * sh.h (SET_ASM_OP): Define.
+
+Thu May 9 13:31:58 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/sysv4.h (SUBTARGET_{SWITCHES,OPTIONS}): Add support for
+ finer grain control on -msdata, so that eabi people can specify to
+ compile sdata code to only use r13 instead of r2/r13. Make
+ -mrelocatable-lib turn off -msdata, just like -m relocatable does.
+ (SUBTARGET_OVERRIDE_OPTIONS): Ditto.
+ (ENCODE_SECTION_INFO): Move to rs6000.c.
+ (ASM_SPEC): -msdata=eabi sets -memb also.
+ (CC1_SPEC): -mno-sdata gets converted to -msdata=none.
+
+ * rs6000.c (rs6000_sdata{,_name}): Add support for finer grain
+ control on -msdata.
+ (output_options): Ditto.
+ (small_data_operand): Ditto.
+ (print_operand): Ditto.
+ (rs6000_select_section): Ditto.
+ (rs6000_encode_section_info): Move here from sysv4.h, section
+ names are stored as STRING nodes, not IDENTIFIER.
+
+Wed May 8 21:04:49 1996 Doug Evans <dje@cygnus.com>
+
+ * function.c (aggregate_value_p): Return 1 if TREE_ADDRESSABLE.
+ * pa/pa.h (RETURN_IN_MEMORY): No longer test for TREE_ADDRESSABLE.
+
+Tue May 7 13:42:57 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300/h8300.c: Include obstack.h.
+ (bit_memory_operand): New function.
+ (print_operand): Append ":16" to a memory reference to
+ the tiny data area.
+ (h8300_tiny_data_p): New function.
+ (h8300_valid_machine_decl_attribute): Accept "tiny_data". Fix
+ typo.
+ (h8300_encode_label): New function.
+ (h8300_adjust_insn_length): References to the tiny data section
+ are two bytes shorter than normal accesses on the H8/300H.
+ * h8300/h8300.h (OK_FOR_U): Fix thinko.
+ (ENCODE_SECTION_INFO): Encode info for tiny data variables.
+ (STRIP_NAME_ENCODING): Define.
+ * h8300/h8300.md (movqi insn): Fix length for a constant load.
+ (movstrictqi): Likewise.
+ (movhi, movstricthi): Likewise.
+ (memory btst patterns): Add register to the constraints to keep
+ reload happy.
+
+ * h8300/h8300.h (OK_FOR_U): (const (plus (symbol_ref) (const_int)))
+ is a valid U operand if SYMBOL_REF_FLAG is set on the
+ SYMBOL_REF.
+ * h8300/h8300.md (memory btst patterns): New patterns.
+
+ * h8300/h8300.c (h8300_eightbit_data_p): Renamed from
+ h8300_tiny_data_p.
+ (h8300_eightbit_data_p): Check for the "eightbit_data"
+ attribute instead of "tiny_data".
+ (h8300_valid_machine_decl_attribute): Likewise.
+ * h8300/h8300.h (ENCODE_SECTION_INFO): Call h8300_eightbit_data_p
+ instead of h8300_tiny_data_p.
+
+ * h8300/h8300.h (READONLY_DATA_SECTION): Define.
+ (EXTRA_SECTIONS): Add in_readonly_data.
+ (READONLY_DATA_SECTION_ASM_OP): Define.
+ (EXTRA_SECTION_FUNCTINOS): Add readonly_data.
+
+Tue May 7 09:26:24 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * varasm.c (make_decl_rtl): Update DECL_ASSEMBLER_NAME for local
+ statics. Remove reference to flag_no_common.
+
+Mon May 6 21:38:36 1996 Paul Eggert <eggert@twinsun.com>
+
+ * cpplib.c (skip_comment, handle_directive): Don't use uninit vars.
+
+Mon May 6 18:47:36 1996 Doug Evans <dje@cygnus.com>
+
+ * dbxout.c (dbxout_function): When deciding to call dbxout_function_end
+ change test from flag_function_sections to DECL_SECTION_NAME != NULL.
+
+ * varasm.c (named_section): Accept any decl.
+
+Mon May 6 16:41:08 1996 Stan Cox (coxs@dg-rtp.dg.com)
+
+ * final.c (final_scan_insn): Modify conditional moves whose cc is
+ nonstandard.
+
+ * c-common.c (decl_attributes): Chain multiple attributes correctly.
+
+Mon May 6 15:41:43 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * stmt.c (expand_decl): Don't deduce alignment of SIZE from
+ DECL_ALIGN; use TYPE_ALIGN instead.
+
+ * function.c (assign_parms): Set RTX_UNCHANGING_P in stack_parm
+ if parm is read-only.
+
+ * c-common.c (truthvalue_conversion, case ADDR_EXPR): Don't
+ treat address of external decl as always nonzero.
+
+Mon May 6 11:33:57 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * c-decl.c (start_decl): Check -fno-common here.
+ * varasm.c (assemble_variable): Instead of here.
+ * final.c (end_final): Likewise.
+ * c-common.c (init_attributes, decl_attributes): Add A_COMMON.
+
+Mon May 6 11:12:39 1996 Mike Stump <mrs@cygnus.com>
+
+ * expr.c (expand_increment): Add third parameter to know when to
+ ignore the result value.
+ (store_constructor): Likewise
+ (expand_expr, case {PRE,POST}{INC,DEC}REMENT_EXPR): Likewise.
+ * tree.c (stabilize_reference): Always ignore the first operand of
+ COMPOUND_EXPRs.
+
+Mon May 6 13:14:45 1996 Jim Wilson <wilson@cygnus.com>
+
+ * sh.c (gen_shifty_op): Truncate VALUE to avoid out of bounds array
+ access.
+
+ * expr.c (expand_expr, case INDIRECT_REF): Delete obsolete code
+ to special case a SAVE_EXPR operand.
+
+Mon May 6 10:00:12 1996 Pat Rankin <rankin@eql.caltech.edu>
+
+ * vax.h (ASM_OUTPUT_MI_THUNK): Define.
+
+Mon May 6 09:49:10 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * m68k/linux.h: Use the new trampoline definition.
+ (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Deleted.
+ (INITIALIZE_TRAMPOLINE): Changed.
+ (FINALIZE_TRAMPOLINE, CLEAR_INSN_CACHE): New.
+
+Mon May 6 09:43:55 1996 Patrick J. LoPresti (patl@lcs.mit.edu)
+
+ * rtlanal.c (rtx_addr_varies_p): Scan operands of type `E'.
+
+Mon May 6 09:04:40 1996 H.J. Lu (hjl@gnu.ai.mit.edu)
+
+ * x-linux{,-aout} (BOOT_CFLAGS, STMP_FIXPROTO, STMP_FIXPROTO): Deleted.
+ * config/t-linux (BOOT_CFLAGS, STMP_FIXPROTO, STMP_FIXPROTO): New,
+ moved from x-linux.
+ * t-linux-aout: New file.
+ * configure (i[3456]86-*-linux*oldld*, i[3456]86-*-linux*aout*):
+ Set tmake_file to t-linux-aout.
+
+Sun May 5 22:13:22 1996 H.J. Lu (hjl@gnu.ai.mit.edu)
+
+ * Makefile.in (gxx_include_dir): Change to $(prefix)/include/g++.
+ (old_gxx_include_dir): New - defined as $(libdir)/g++-include.
+ (cccp.o, cpplib.o): Also pass OLD_GPLUSPLUS_INCLUDE_DIR (set
+ from $(old_gxx_include_dir)).
+ * cccp.c (include_defaults_array): For C++, also search
+ OLD_GPLUSPLUS_INCLUDE_DIR.
+ * cpplib.c (default_include): Likewise.
+ * configure: Remove no-longer-needed support for --gxx-include-dir.
+
+Sun May 5 21:59:53 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * c-lex.c (check_newline): Fix #pragma parsing; issue error message
+ for directive that starts with `p' but isn't `pragma'.
+
+Sun May 5 13:13:40 1996 Jeremy Bettis <jeremy@hksys.com>
+
+ * objc/hash.c (hash_value_for_key): Prevent endless loop when 0 was
+ stored in a hashtable.
+
+Sun May 5 13:09:54 1996 Satoshi Adachi (adachi@wisdom.aa.ap.titech.ac.jp)
+
+ * m68k/newsgas.h (SET_ASM_OP, ASM_WEAKEN_LABEL): Define.
+
+Sun May 5 12:48:08 1996 Stephen L Moshier (moshier@world.std.com)
+
+ * tree.c (build_real_from_int_cst): Remove spurious test for
+ REAL_IS_NOT_DOUBLE.
+
+Sat May 4 12:17:58 1996 Richard Earnshaw (rearnsha@armltd.co.uk)
+
+ * arm.h (ASM_OUTPUT_MI_THUNK): Moved here from aout.h. Rewrite to be
+ independent of the selected assembler, and to use optimal number of
+ instructions.
+ * arm/aout.h (ASM_OUTPUT_MI_THUNK): Delete.
+
+ * arm/aout.h (ASM_OUTPUT_OPTIONS): Define.
+ (ASM_FILE_START): Call ASM_OUTPUT_OPTIONS.
+ (BSS_SECTION_OP): Define.
+ (ASM_OUTPUT_ALIGN): Don't output anything if byte alignment is wanted.
+ (ASM_OUTPUT_ALIGNED_BSS): Define.
+ * arm.h (target_cpu_name): Delete.
+ (TARGET_SWITCHES): Delete "be" and "le".
+ (TARGET_OPTIONS): Delete "cpu-", add "tune=".
+ (struct arm_cpu_select): New struct.
+ (PROCESSOR_DEFAULT, TARGET_CPU_DEFAULT): Define.
+ (EXTRA_CC_MODES, EXTRA_CC_NAMES): Add CC_Cmode.
+ (CANONICALIZE_COMPARISON): Define.
+ * arm.c (arm_select): Declare and initialize.
+ (all_procs): Add arm7100.
+ (arm_override_options): Parse arm_select structure to determine
+ selected architecture and tuning parameters.
+ (output_option, output_options): New functions.
+ (arm_canonicalize_comparison): New function.
+ (arm_gen_movstrqi): Don't add a writeback of the index registers for
+ the last instructions.
+ (arm_select_cc_mode): Detect case where mode is carry out of unsigned
+ arithmetic.
+ (output_lcomm_directive): Use bss_section (), and use alignment
+ rather than rounding.
+ (get_arm_condition_code): Handle CC_Cmode.
+ (final_prescan_insn): Avoid boundary case where we would occasionally
+ inline MAX_INSNS_SKIPPED+1 insns. Allow call_insns to be inlined in
+ APCS_32 mode if they are the last insn in the block.
+ * arm.md (*addsi3_compareneg): Delete potentially unsafe insn.
+ (*addsi3_compare_op[12]): New insns.
+ (*compare_addsi2_op[01]): New insns.
+ (*addsi3_carryin, *addsi3_carryin_alt[12]): New insns.
+ (*cmp_ite1): Use arm_add_operand instead of arm_rhs_operand.
+ * semi.h (PROCESSOR_DEFAULT): Default to PROCESSOR_ARM6.
+
+Fri May 3 10:52:11 1996 1996 Stan Cox (coxs@dg-rtp.dg.com)
+
+ * i386.md (movesicc, movehicc) Pentium Pro conditional move insns.
+
+ * i386.h (TARGET_PENTIUMPRO, TARGET_CMOVE, BRANCH_COST,
+ ASM_OUTPUT_FUNCTION_PREFIX): New macros for conditional move.
+
+ * i386.c (asm_output_function_prefix, function_prologue): Setup
+ pic on Pentium Pro so a return will match the call.
+ (print_operand, put_condition_code): Output conditional move suffixes.
+
+Fri May 3 10:52:11 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * i386/{att.h,gas.h,bsd.h,sub386.h} (ASM_OUTPUT_MI_THUNK): Define.
+
+Wed May 1 17:54:51 1996 Doug Evans <dje@cygnus.com>
+
+ * sparc.h (ASM_OUTPUT_MI_THUNK): Fix for sparc64, optimize.
+
+Wed May 1 13:28:32 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * i386/linux.h (ASM_OUTPUT_ALIGNED_BSS): Define.
+ * i386/sysv4.h: Likewise.
+ * sparc/sysv4.h: Likewise.
+
+Wed May 1 01:44:47 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300/h8300.c (h8300_adjust_insn_length): Adjust the cost of
+ shifts by small constant values.
+ * h8300/h8300.md: Refine comments. Remove names from many
+ patterns which don't need them.
+ (compare insns): Don't underestimate lengths.
+ (andqi3 expander): Remove constrains.
+ (andhi3): Don't underestimate length.
+ (andsi3): Don't underestimate length. Improve code when upper
+ or lower half of destination is being cleared.
+ (indirect_jump_h8300, indirect_jump_h8300h): Simplify.
+ (shift insns): Remove useless "I" constraint.
+
+ * h8300/h8300.md (bcs type): Remove "bcs" type attribute and
+ all references.
+ (bcs insns): Delete. No longer needed.
+ (setcc from bitfield): Rewrite to use zero_extract. Provide
+ QImode, HImode and SImode variants.
+
+Tue Apr 30 18:13:09 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * svr4.h (SELECT_SECTION): If RELOC is true, put it in data.
+
+Tue Apr 30 17:26:30 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * fold-const.c (fold): Don't call convert to recreate tree nodes
+ we already have.
+
+Tue Apr 30 16:52:41 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300/h8300.c (one_insn_adds_subs_operand): New function.
+ (h8300_adjust_insn_length): New function.
+ * h8300/h8300.h (ADJUST_INSN_LENGTH): Define.
+ * h8300/h8300.md: Remove obsolete comments.
+ (move patterns): Tweak constraints.
+ (tst patterns): Use "register_operand" for predicate.
+ (adds pattern): Use one_insn_adds_subs_operand to get length
+ computation correct.
+ (subs pattern): Similarly.
+ (movstrhi): Remove unused expander.
+ (fancy*, pxor, and-not patterns): Remove. No longer needed.
+
+Tue Apr 30 13:35:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/sol-c0.c (_start): Temporarily display calling
+ __do_global_ctors, since the Solaris linker doesn't handle the
+ relocations properly.
+
+Mon Apr 29 13:03:12 1996 Doug Evans <dje@cyguns.com>
+
+ * sparc/vxsparc.h: sparc-aout.h renamed to aout.h.
+
+Mon Apr 29 00:35:15 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300/h8300.c (names_small): Remove "BAD" postfix from
+ %r7 byte registers.
+ (rtx_equal_function_value_matters): Remove extra declaration.
+ (output_simode_bld): New function.
+ * h8300/h8300.h (NO_FUNCTION_CSE): Do define this. Register
+ pressure makes cse-ing function addresses rarely a win.
+ (reg_class): Remove unnecessary register classes LONG_REGS,
+ SP_REG, SP_AND_G_REGS.
+ (REG_CLASS_NAMES): Corresponding changes.
+ (REG_CLASS_CONTENTS): Corresponding changes.
+ (REGNO_REG_CLASS): Corresponding changes.
+ (REG_CLASS_FROM_LETTER): Corresponding chagnes.
+ (output_simode_bld): Declare.
+ * h8300/h8300.md: Nuke comments for stuff which has been fixed.
+ (all patterns): Remove references to register class "a" (SP_REGS)
+ which no longer exists.
+ (many patterns): Accept auto-inc auto-dec addresses in more cases.
+ (zero_extendqisi2): New pattern for the H8/300.
+ (zero_extendhisi2): Only use zero_extendhisi2_h8300 when not optimizing.
+ (extendhisi2): Only use extendhisi2_h8300 when not optimizing.
+ (extendqisi2): New pattern for the H8/300.
+ (bitfield related patterns): Completely rewrite.
+ (fancy_bclr, fancy_btst): Deleted. Redundant with new bitfield
+ patterns.
+ (addhi3 pattern for h8300): Handle case where we can't make matching
+ constraints (works around hard to fix reload problem).
+ (stack_pointer_manip): Delete.
+ (and not patterns): New combiner patterns.
+
+ * pa/pa.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Make sure the
+ final $CODE$ subspace is in the $TEXT$ space.
+
+Sun Apr 28 14:52:21 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * svr4.h (ASM_OUTPUT_SECTION_NAME): If no decl is specified,
+ make the section read/write data.
+
+Sat Apr 27 10:28:59 1996 Michael Meissner <meissner@wogglebug.tiac.net>
+
+ * rs6000/t-ppcgas (MULTILIB_EXCEPTIONS): Don't allow -mrelocatable
+ and -mcall-sysv-noeabi.
+
+ * rs6000/sysv.h (SUBTARGET_OVERRIDE_OPTIONS): The -mcall-aix
+ option sets -meabi. Don't allow -mrelocatable without -meabi.
+
+Fri Apr 26 16:10:46 1996 Doug Evans <dje@cygnus.com>
+
+ * sparc/sparc.md (*smacsi,*smacdi,*umacdi): Fix constraint on
+ operand 0.
+
+Fri Apr 26 14:36:33 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * gcc/config/i960/t-{960bare,vxworks960} (MULTILIB*): Add
+ soft-float multilib support.
+
+Fri Apr 26 06:38:56 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * stor-layout.c (layout_decl): Turn off DECL_BIT_FIELD for BLKmode
+ that's properly aligned and a multiple of a byte.
+
+Thu Apr 25 22:43:19 1996 Doug Evans <dje@cygnus.com>
+
+ * i386/gas.h (ASM_OUTPUT_ALIGN): #if 0 out again.
+ Undoes change of Apr. 9.
+ * i386/go32.h (ASM_OUTPUT_ALIGN): Define.
+
+Thu Apr 25 14:05:33 1996 Richard Kenner (kennervlsi1.ultra.nyu.edu)
+
+ * calls.c (expand_call): In inlining case, if BEFORE_CALLS is
+ zero, start looking at first insn (one more place).
+
+ * expr.c (expand_builtin, case BUILT_IN_SETJMP): CLOBBER the
+ static chain after label at setjmp point.
+
+Thu Apr 25 09:02:24 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.c (print_operand{,_address}): Correct compile error if
+ TARGET_EABI is not defined. Also, just call small_data_operand,
+ without testing the ABI.
+ (rs6000_select_section): Ditto.
+
+ * rs6000/sysv4.h (CC1_SPEC): For -mcall-solaris, don't pass
+ -mno-main-init.
+
+Wed Apr 24 18:26:48 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * collect2.c (handler): Delete export_file when we get a signal.
+
+Wed Apr 24 14:54:44 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * pa/pa1-ghpux.h (LINK_SPEC): Define. Link in PA1.1 libraries
+ by default.
+ * pa/{pa1-ghpux9.h, pa1-hpux.h, pa1-hpux9.h}: Likewise.
+
+Wed Apr 24 11:12:06 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * configure (powerpc{,le}-*-eabi*): Use t-ppc{,gas}, instead of
+ t-eabi{,gas}.
+ (powerpc-*-linux,powerpcle-*-solaris): Add definitions.
+ (MULTILIB_DIRNAMES): Pick shorter names for the multilib
+ directories.
+ (MULTILIB_*): Do not build -msdata versions of the library. Build
+ both system V and eabi versions of the libraries.
+
+ * rs6000/t-ppc{,gas} (MULTILIB*): Don't build -msdata versions of
+ the libraries. Split -mcall-sysv libraries into
+ -mcall-sysv-{eabi,noeabi} varients.
+ (LIB2FUNCS_EXTRA): Add eabi.S, eabi-ctors.c.
+ (eabi.S): Use eabi.S, not eabi.s for eabi.asm.
+ (crt files): Add support for Solaris crt files.
+
+ * rs6000/sol{2.h,-c0.c,-ci.asm,-cn.asm}: New files for Solaris
+ support.
+
+ * rs6000/linux.h: New file for Linux support.
+
+ * rs6000/eabi-ci.asm (ppc-asm.h): Include.
+ (.got section): Correct attribute.
+
+ * rs6000/eabi-c{i,n}.asm (.init,.finit): Add support for System V
+ style .init/.fini sections, that constructors and destructors
+ place a bl <func> in the appropriate section.
+
+ * rs6000/eabi-ctors.c (__do_global_{c,d}tors): Call __init, and
+ __fini to handle constructors/destructors in the .init, .fini
+ sections.
+
+ * rs6000/{eabi,sysv}.h: Move most eabi configuration stuff from
+ eabi.h to sysv.h.
+
+ * rs6000/sysv.h (TARGET_*): Convert -mcall-xxx from a switch into
+ an option. Add -mcall-{solaris,linux,sysv-eabi,sysv-noeabi}
+ options. Add -m{,no-}eabi options to control whether we adhere to
+ the System V spec or the EABI spec. Add -m{,no-}regnames to
+ control whether registers are printed out as %r0 instead of 0.
+ (SUBTARGET_OVERRIDE_OPTIONS): Add support for new -mcall options.
+ (FP_ARG_MAX_REG): Use new macros for ABI conformance.
+ (RS6000_REG_SAVE): Ditto.
+ (STACK_BOUNDARY,BIGGEST_ALIGNMENT): If eabi, align to 8 byte
+ boundary, otherwise 16 byte.
+ (EXTRA_SECTIONS): Add .init, .fini sections.
+ (*_SPEC): Reorganize so that the different targets all have sub
+ specs that go in the specs file. Add support for linux and
+ Solaris targets.
+
+ * rs6000/{sysv4,eabi}*.h (*_SPECS): Only override the default
+ spec, all other specs moved to sysv4.h.
+ (RS6000_ABI_NAME): Use RS6000_ABI_NAME to set the default ABI
+ name, not TARGET_DEFAULTS.
+
+ * rs6000/xm-sysv4.h (alloca): Properly declare alloca if compiler
+ is not GCC.
+ (DONT_DECLARE_SYS_SIGLIST): Define.
+
+ * rs6000.c (rs6000_abi_name): New global for getting the results
+ of -mcall-xxx.
+ (rs6000_reg_names): New global for holding the normal register
+ names.
+ (alt_reg_names): Alternate register names for -mregnames.
+ (rs6000_override_options): If -mregnames, copy alt_reg_names into
+ rs6000_reg_names.
+ (input_operand): Recognize ABI_SOLARIS.
+ (small_data_operand): Ditto.
+ (init_cumulative_args): Ditto.
+ (function_arg{,_boundary,_advance,_partial_nregs}): Ditto.
+ (function_arg_pass_by_reference): Ditto.
+ (setup_incoming_varargs): Ditto.
+ ({rs6000,debug}_stack_info): Ditto.
+ (output_{prolog,epilog}): Ditto.
+ (print_operand): %$ prints '.' on Solaris, '$' elsewhere.
+ (print_operand{,_address}): If not eabi, use @sdarel for small
+ data references.
+ (rs6000_stack_info): Only emit __eabi call if TARGET_EABI.
+
+ * rs6000.h (*_SPECS): Move the System V specs to svr4.h.
+ (ABI_SOLARIS): New ABI, mostly like System V.
+ (EXTRA_CONSTRAINT): Use ABI_SOLARIS like ABI_V4.
+ (RETURN_ADDRESS_OFFSET): Ditto.
+ (LEGITIMATE_SMALL_DATA_P): Ditto.
+ (RETURN_IN_MEMORY): On Solaris, small structures are returned in
+ registers.
+ (REGISTER_NAMES): Use rs6000_reg_names array, instead of string
+ literals.
+ (DEBUG_REGISTER_NAMES): Define.
+ (ADDITIONAL_REGISTER_NAMES): Add sp, toc aliases.
+ (PRINT_OPERAND_PUNCT_VALID_P): Recognize $ as a punctuation char.
+
+ * rs6000.md (got & call patterns): Use ABI_SOLARIS to mean the
+ same as ABI_V4.
+ (branch patterns): Use %$ for the current location, not just $.
+
+ * va-ppc.h: Add Solaris support.
+
+Tue Apr 23 20:02:13 1996 Doug Evans <dje@cygnus.com>
+
+ * sparc/sparc.c (output_function_prologue): In -mbroken-saverestore
+ case, %sp = %fp - size.
+ * sparc/t-splet (TARGET_LIBGCC2_CFLAGS): Delete.
+ * sparc/sparc.md (isa attribute): Add sparclet.
+ (*smacsi,*smacdi,*umacdi): Use match_operand, not match_dup
+ for third arg.
+ (*mulsidi3_sp32,const_mulsidi3,*umulsidi3_sp32,const_umulsidi3): Use
+ smuld,umuld for sparclet.
+
+Tue Apr 23 16:28:28 1996 Michael Meissner <meissner@wombat.gnu.ai.mit.edu>
+
+ * config/m68k/m68kemb.h: Add {LINK,STARTFILE,LIB,SUBTARGET}_SPEC, so
+ gcc will use libgloss for supported target boards {idp,mvme,bcc}.
+
+Tue Apr 23 16:00:28 1996 Per Bothner <bothner@cygnus.com>
+
+ * expr.c (store_constructor): Fix test for missing array elements.
+
+Tue Apr 23 11:21:09 1996 Stephen L Moshier (moshier@world.std.com)
+
+ * config/i386/sco5.h (BSS_SECTION_ASM_OP): Use `data' directive.
+ (ASM_OUTPUT_ALIGNED_LOCAL): Generate an `lcomm' directive.
+ (TARGET_DEFAULT): Include TARGET_IEEE_FP.
+ (CPP_PREDEFINES): Include Di386.
+
+Mon Apr 22 12:00:46 1996 David Edelsohn <edelsohn@mhpcc.edu>
+
+ * rs6000.h (BIGGEST_FIELD_ALIGNMENT): Delete.
+ (ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Define.
+ * sysv4.h (BIGGEST_FIELD_ALIGNMENT): Delete.
+ (ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Undefine.
+ * win-nt.h (ADJUST_FIELD_ALIGN, ROUND_TYPE_ALIGN): Undefine.
+
+Sun Apr 21 17:52:36 1996 Jim Wilson <wilson@cygnus.com>
+
+ * m68k/coff.h (ASM_OUTPUT_SECTION): Test DECL before
+ dereferencing it.
+
+ * cse.c (cse_process_notes): Handle SUBREG like ZERO_EXTEND.
+
+Sun Apr 21 12:57:12 1996 Doug Evans <dje@cygnus.com>
+
+ * arm/aout.h (ASM_OUTPUT_MI_THUNK): Define.
+
+Sun Apr 21 09:50:09 1996 Stephen L Moshier (moshier@world.std.com)
+
+ * choose-temp.c: Include sys/types.h before sys/file.h for sco3.2v5.
+
+Sun Apr 21 08:42:13 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * alpha.c (check_float_value): Cast args of bcopy to avoid warnings.
+
+Sat Apr 20 21:22:21 1996 David Edelsohn <edelsohn@mhpcc.edu>
+
+ * stor-layout.c (layout_record): Use ADJUST_FIELD_ALIGN to modify
+ alignment of fields within records.
+
+Sat Apr 20 19:55:33 1996 Niels Moller <nisse@lysator.liu.se>
+
+ * c-parse.in (typespec): Made <SomeProtocol> equivalent
+ to (id <SomeProtocol>).
+ (non_empty_protocolrefs): New nonterminal.
+
+Sat Apr 20 08:34:02 1996 J"orn Rennecke (amylaar@meolyon.hanse.de)
+
+ * stmt.c (check_for_full_enumeration_handling): Call case_tree2list
+ before checking for case expressions not corresponding to enumerators.
+ (mark_seen_cases): If SPARSENESS == 2, exploit AVL order.
+ Else, convert tree to list.
+ Set xlo to -1 if SPARSENESS == 1 search failed.
+ (expand_end_case): Avoid calling case_tree2list on list.
+
+Fri Apr 19 16:54:57 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000/win-nt.h (BIGGEST_FIELD_ALIGNMENT): Set to 64, not
+ 32 that AIX uses.
+
+Fri Apr 19 16:40:38 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * i386.md (movqi): Handle QImode values in %si and %di.
+
+Thu Apr 18 20:56:56 1996 Jim Wilson <wilson@cygnus.com>
+
+ * sh.md (lshrsi3): Change gen_ashlsi3_d to gen_lshrsi3_d.
+
+Thu Apr 18 15:49:28 1996 Per Bothner <bothner@cygnus.com>
+
+ * sparc.h (ASM_OUTPUT_MI_THUNK): Define.
+
+Thu Apr 18 15:19:26 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300.md: Remove "type" attribute from all patterns
+ except those which have varying length branches. Eliminate
+ obsolete "type" attributes. Add additional comments about insn
+ length computation problems and further optimizations. Add
+ "length" and "cc" attributes to insns without them, fix a few
+ length computations. Remove patterns which are commented out.
+
+ * h8300.md (zero extension expanders and insns): Simplify, fix various
+ length problems, provide optimized versions for the h8300 and h8300h.
+ (sign extension expanders and insns): Likewise. Make them
+ nearly identical to zero_extension patterns and insns.
+
+Wed Apr 17 18:50:16 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * pa.h (SELECT_SECTION): Define. Never place a something
+ into the read-only data section if it requires a reloc.
+
+ * pa.md (rotlsi3): Delete unnecessary and incorrect pattern.
+
+Wed Apr 17 17:15:40 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.md (movdi): Never FAIL, even if operand[1] is not a
+ general operand, due to being in volatile memory.
+
+Wed Apr 17 15:20:10 1996 Brendan Kehoe <brendan@lisa.cygnus.com>
+
+ * c-lex.c (check_newline): Rewrite to use tokens.
+ (handle_sysv_pragma): Take a token instead of a character.
+ * i960.c (process_pragma): Take the IDENTIFIER_POINTER tree
+ node instead of a character.
+ * sh.c (handle_pragma): Likewise.
+ * config/nextstep.c (handle_pragma): Likewise.
+ * h8300.c (handle_pragma): Likewise.
+ * i960.h (HANDLE_PRAGMA): Expect/pass 2nd arg of NODE, not CH.
+ * sh.h (HANDLE_PRAGMA): Likewise.
+ * config/nextstep.h (HANDLE_PRAGMA): Likewise.
+ * h8300.h (HANDLE_PRAGMA): Likewise.
+
+Wed Apr 17 14:28:43 1996 Doug Evans <dje@cygnus.com>
+
+ * choose-temp.c: Don't include sys/file.h ifdef NO_SYS_FILE_H.
+ #include <stdio.h>.
+ (choose_temp_base): Make tmp,usrtmp, static locals.
+
+Wed Apr 17 08:41:02 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * alpha.c (alpha_emit_conditional_move): Fix some bugs in previous
+ change and do some cleanup.
+
+Tue Apr 16 18:53:05 1996 Jim Wilson <wilson@cygnus.com>
+
+ * reload.c (push_reload): Add extra reload for inside of SUBREG if
+ it is CONSTANT_P.
+
+ * expr.c (do_store_flag): Rewrite last change to avoid compiler
+ warnings.
+
+ * reload.c (push_reload): When reuse an old reload, set the modes
+ to be the larger of the old and new modes.
+
+ * i960/t-960bare (xp-bit.c): Fix typo in source file name.
+
+Tue Apr 16 18:09:16 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300/h8300.md (andhi3): If 2nd operand is a CONST_INT that
+ meets the 'J' constraint, then only two bytes are needed for
+ this insn. Improve code generated for the h8300h when both
+ operands are registers.
+ (iorhi3, xorhi3): Likewise. Rework to be nearly identical to andhi3.
+ (andsi3): If 2nd operand is a CONST_INT that meets the 'J'
+ constraint, then only two bytes are need for this insn.
+ Improve code generated for the h8300h regardless of the
+ type of the 2nd operand. Make this pattern work on the h8300 too.
+ (iorsi3, xorsi3): Likewise. Rework to be nearly identical to andsi3.
+ (iorqi3_internal): Make this pattern look more like andqi3_internal.
+ (one_cmplhi2, one_cmplsi2): Fix length computation for H8300H.
+
+Tue Apr 16 17:43:25 1996 J"orn Rennecke (amylaar@meolyon.hanse.de)
+
+ * i386.md (addsidi3_2): Handle non-MEM overlap case.
+
+Tue Apr 16 16:59:49 1996 Richard Henderson <rth@tamu.edu>
+
+ * function.c (expand_function_end): Allow TRAMPOLINE_TEMPLATE
+ to be omitted on systems for which it is not cost effective.
+ * varasm.c (assemble_trampoline_template): No such function
+ if no TRAMPOLINE_TEMPLATE.
+ * m68k.h: Greatly simplify the run-time trampoline code:
+ (TRAMPOLINE_TEMPLATE, TRANSFER_FROM_TRAMPOLINE): Delete define.
+ (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Changed.
+ (TRAMPOLINE_ALIGN): No point aligning to cache line.
+ (FINISH_INIT_TRAMPOLINE): New define.
+ * m68k/next.h: Instead of redefining INITIALIZE_TRAMPOLINE,
+ make use of the new FINISH_INIT_TRAMPOLINE.
+ * m68k/{m68k.h,next.h,aux.h} (FINISH_INIT_TRAMPOLINE):
+ Rename to FINALIZE_TRAMPOLINE.
+ * m68k/{linux.h,m68kv4.h}: Override trampoline macros.
+
+Tue Apr 16 16:02:50 1996 David Edelsohn <edelsohn@mhpcc.edu>
+
+ * combine.c (make_field_assignment): Allow XOR in final case.
+
+Tue Apr 16 11:33:53 1996 J.T. Conklin <jtc@rtl.cygnus.com>
+
+ * m68k.h (TARGET_SWITCHES): Don't remove MASK_68060 with -msoft-float.
+
+ * m68k.h (MULL_COST, MULW_COST, RTX_COSTS): Add costs for TARGET_68060.
+ * m68k.md (ashlsi_16, lshrsi_16): Disable pattern for TARGET_68060;
+ this special case is not faster for that cpu.
+
+Tue Apr 16 10:54:55 1996 Eliot Dresselhaus <dresselh@rft30.nas.nasa.gov>
+
+ * alpha.c (alpha_emit_conditional_move): New function.
+ * alpha.h (alpha_emit_conditional_move): Declare it.
+ * alpha.md (cmov* define_expands): Use it.
+
+Tue Apr 16 09:06:17 1996 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
+
+ * function.h (struct function): New field returns_pointer.
+ * function.c (push_function_context_{to,from}): Save and restore
+ current_function_returns_pointer.
+
+ * config/svr4.h (ENDFILE_SPEC): Add missing `%s'.
+
+ * configure (m68k-*-linux*aout*): Set tmake_file to m68k/t-linux-aout.
+ (m68k-*-linux*): Set extra_parts.
+ * m68k/t-linux (INSTALL_ASSERT_H): New definition.
+ (CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): New definitions.
+ * m68k/t-linux-aout: New file.
+ * m68k/linux.h (LIB_SPEC): Deleted.
+ (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS): Define.
+
+ * m68k.h (TRAMPOLINE_ALIGNMENT): Specify alignment in bits, not bytes.
+
+Tue Apr 16 08:53:17 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
+
+ * final.c (final_scan_insn): Allow removal of redundant test and
+ compare instructions that use clobbers.
+
+Tue Apr 16 06:22:00 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * c-decl.c (clear_limbo_values): New function.
+ (pushdecl): Call it for function body blocks.
+
+ * objc/thr-decosf1.c (_objc_thread_id): Correct return type from
+ int to _objc_thread_id.
+
+ * expr.c (expand_builtin, case BUILT_IN_LONGJMP): Make a decl
+ for __dummy, so we can call make_function_rtl on it.
+
+ * expr.c (expand_assignment): Don't pre-evaluate RHS if a CALL_EXPR
+ with a variable-size return.
+
+Mon Apr 15 17:38:45 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * fixincludes: Fix undefined VOIDFUNCPTR in VxWorks 5.2 <time.h>.
+
+Mon Apr 15 15:12:16 1996 Jim Wilson <wilson@cygnus.com>
+
+ * expr.c (do_store_flag): Before calling exact_log2, remove any
+ sign extension bits.
+
+ * reload1.c (emit_reload_insns): Call reload_reg_reaches_end_p for
+ every reg of multi-reg spill register. Invalidate old info for multi
+ reg spill registers when only part survives to the end.
+
+Mon Apr 15 14:49:12 1996 Mike Stump <mrs@cygnus.com>
+
+ * function.c (preserve_temp_slots): Only preserve temporaries that
+ happen to be at the current level.
+
+Mon Apr 15 14:08:12 1996 Doug Evans <dje@canuck.cygnus.com>
+
+ * gansidecl.h: New file.
+ * choose-temp.c: New file.
+ * Makefile.in (xgcc): Depend on and link in choose-temp.o.
+ (collect2): Likewise.
+ (choose-temp.o): Add rule for.
+ * collect2.c: #include "gansidecl.h".
+ (const,PROTO): Delete.
+ (P_tmpdir): Delete.
+ (choose_temp_base): Declare as extern, delete internal copy.
+ (main): Update call to choose_temp_base.
+ * cpphash.c: #include "gansidecl.h".
+ (NULL,const,volatile): Delete.
+ * demangle.h: #include "gansidecl.h".
+ (PROTO,PTR,const): Delete.
+ * expr.h (const): Delete.
+ * fix-header.c: #include "gansidecl.h".
+ (const): Delete.
+ * gcc.c: #include "gansidecl.h".
+ (PROTO,VPROTO,PVPROTO,VPROTO,VA_START,NULL): Delete.
+ (GENERIC_PTR,NULL_PTR,P_tmpdir): Delete.
+ (choose_temp_base): Declare as extern, delete internal copy.
+ (concat): Rewrite to take a variable number of arguments.
+ (choose_temp_base_try,concat[346]): Delete.
+ (translate_options,set_spec,process_command,do_spec_1,
+ is_directory,main): Always use concat, not concat[346]. Pass
+ NULL_PTR as trailing arg to concat.
+ * genattr.c (main): Delete printing of "#define PROTO".
+ * machmode.h: #include "gansidecl.h".
+ (PROTO): Delete.
+ (HAVE_MACHINE_MODES): Move definition to standard place.
+ * recog.h: #include "gansidecl.h".
+ (PROTO,const): Delete.
+ * rtl.h: #include "gansidecl.h".
+ (PROTO,VPROTO,PVPROTO,VPROTO,VA_START,STDIO_PROTO): Delete.
+ (NULL,GENERIC_PTR,NULL_PTR): Delete.
+ * tree.h: Likewise.
+
+Mon Apr 15 08:49:20 1996 Tom May (ftom@netcom.com)
+
+ * cse.c (invalidate_skipped_set): Ignore CLOBBER after calling
+ note_mem_written, not before.
+
+Mon Apr 15 08:22:03 1996 Philippe De Muyter <phdm@info.ucl.ac.be>
+
+ * m68k.md (tstdi): Optimized for "d" case.
+ (movqi): Allow moving "i" into "a".
+ (zero_extendsidi2): Alternatives merged.
+ (extendplussidi): Fixed when operands 0 and 1 share a register.
+ (adddi_sexthishl32): Constraints reordered for better reload.
+ (adddi3,subdi_sexthishl32,subdi3,negdi2): Likewise.
+ (ashldi_sexthi): Accept "m" as operand 0.
+ (ashldi_const32): Alternatives merged.
+ (ashift patterns): Output "lsl" instead of "asl".
+ (beq0_di): If condition codes already set, output only branch insn.
+ (bne0_di,bge0_di,blt0_di): Likewise.
+ * m68k.c (notice_update_cc, case ASHIFT{,RT}, LSHIFTRT, ROTATE{,RT}):
+ Don't set CC_NO_OVERFLOW.
+ * m68k.h (TARGET_SWITCHES): Fix typo in "c68000" entry.
+
+Mon Apr 15 08:06:17 1996 Stephen L Moshier (moshier@world.std.com)
+
+ * real.c (eadd1): Check for overflow on X plus X.
+
+Mon Apr 15 08:02:24 1996 J.T. Conklin <jtc@cygnus.com>
+
+ * i386/netbsd.h (HAVE_SYSV_PRAGMA): Removed definition.
+ * config/netbsd.h (HAVE_SYSV_PRAGMA): Define.
+ (SET_ASM_OP): Define.
+
+Mon Apr 15 07:28:54 1996 Fila Kolodny <fila@ibi.com>
+
+ * configure: Add definition for host= into Makefile.
+ * build-make (CC): Pass -b $(host), not target.
+
+Mon Apr 15 05:12:39 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * expr.c (bc_expand_increment): Change declaration to return void.
+
+ * toplev.c (max_label_num_after_reload): New variable.
+ (rest_of_compilation): Set it.
+ * reorg.c (find_dead_or_set_registers): Only kill spill regs after
+ label made before jump2.
+
+ * combine.c (expand_field_assignment): Take SUBREG_WORD into
+ account when have STRICT_LOW_PART.
+ (make_extraction): Make a STRICT_LOW_PART at any low-order word.
+
+Mon Apr 15 03:43:11 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * flags.h (flag_function_sections): Declare.
+ * toplev.c (flag_function_sections): Define.
+ (compile_file): Add warnings when -ffunction-sections is
+ used with -g, or profiling. Disable -ffunction-sections
+ when profiling is used. Add warning when -ffunction-sections
+ is used on a target that doesn't support it.
+ * varasm.c (named_section): Make a copy of the section name
+ in case the original is in temporary storage.
+ (function_section): Set DECL_SECTION_NAME for each function
+ if flag_function_sections is on and the target supports it.
+ * dbxout.c (dbxout_function_end): New function.
+ (dbxout_function): Call dbxout_function_end if using extensions
+ and flag_function_sections is on.
+ * sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Prefix a function
+ section's name with ".text%" when -ffunction-sections.
+
+Sun Apr 14 19:37:43 1996 Doug Evans <dje@cygnus.com>
+
+ * toplev.c (main): Delete redundant test for -p used with -fbytecode.
+
+Sun Apr 14 19:01:59 1996 John F. Carr <jfc@mit.edu>
+
+ * c-decl.c (finish_enum): Don't crash if no type can represent all
+ enumeration values.
+
+Sun Apr 14 18:56:40 1996 J.T. Conklin <jtc@rtl.cygnus.com>
+
+ * m68k.md (ftruncdf2): Enable for m68060 systems.
+
+Sun Apr 14 18:49:30 1996 David L. Reese (david.reese@east.sun.com)
+
+ * fold-const.c (range_test): Don't convert hi_cst or lo_cst
+ to unsigned when folding signed range tests.
+
+Sun Apr 14 08:56:27 1996 Stephen L Moshier <moshier@world.std.com>
+
+ * real.h (ereal_from_{int,uint}): Add new arg, MODE.
+ (REAL_VALUE_FROM{,_UNSIGNED}_INT): New arg, MODE.
+ * real.c (ereal_from_{int,uint}): New arg, MODE.
+ * cse.c (simplify_unary_operation): Add new arg to REAL_VALUE_FROM_INT.
+ * fold-const.c (fold_convert): Likewise.
+ * tree.c (real_value_from_int_cst): New arg, TYPE.
+ Pass mode to REAL_VALUE_FROM_INT.
+ (build_real_from_int_cst): Properly deal with truncation.
+
+Sun Apr 14 08:21:29 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * combine.c (try_combine): When substituting in output of I2,
+ ensure dest isn't clobbered in I2.
+
+ * combine.c (combine_instructions): In initial scan of insns,
+ handle a REG_INC note's affect on sign bit copies and nonzero bits.
+ (set_nonzero_bits_and_sign_copies): Treat a zero SET arg as a CLOBBER.
+
+Sun Apr 14 07:52:28 1996 Manor Askenazi <manor@santafe.edu>
+
+ * objc/encoding.c (objc_skip_typespec): Don't abort for _C_UNDEF.
+
+Sat Apr 13 20:35:36 1996 Richard Henderson (richard@atheist.tamu.edu)
+
+ * configure (m68k-apple-aux*): Rework to take advantange
+ of list of tm.h files and support all four gas/gld options.
+ * m68k/auxas.h, m68k/auxgas.h, m68k/auxgld.h, m68k/auxld.h: New files.
+ * m68k/auxstd.h, m68k/auxgnu.h: Deleted.
+
+Sat Apr 13 20:18:11 1996 Stephen L Moshier <moshier@world.std.com>
+
+ * alpha.c (check_float_value): New function.
+ * alpha.h (CHECK_FLOAT_VALUE): Define.
+ (ASM_OUTPUT_FLOAT): Print the value in hex.
+
+Sat Apr 13 15:08:45 1996 Doug Evans <dje@canuck.cygnus.com>
+
+ * configure: New target arm{,el}-*-coff*.
+ (cpu_default): Sort alphabetically.
+ * arm/coff.h: New file.
+ * arm/t-bare: New file.
+ * arm/arm.c (use_return_insn): Don't use return for naked functions.
+ (arm_valid_machine_decl_attribute): New function.
+ (arm_naked_function_p): New function.
+ (output_func_prologue): Naked functions don't have prologues.
+ (arm_expand_prologue): Likewise.
+ (output_func_epilogue): Likewise with epilogues.
+
+Sat Apr 13 11:31:32 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300.c (adds_subs_operand): Fix thinko in last change.
+
+ * h8300.md (subhi3): Turn into a define_expand.
+ (subhi3 using adds_subs): New pattern.
+ (H8300 subhi): Derived from old subhi pattern. Simplified.
+ (H8300H subhi): Likewise.
+ (subsi using adds_subs): New pattern. Only used on H8300H.
+ (subsi_h8300): Allow "a" registers as destination.
+ (subsi_h8300h): Allow "a" registers as destination. Simplify.
+
+ * h8300.md (bcs_qiqi, bcs_hihi, bs_hiqi): Fix thinkos
+ in last change.
+
+Sat Apr 13 08:59:48 1996 Fila Kolodny <fila@ibi.com>
+
+ * i370/mvs.h (ASM_DECLARE_FUNCTION_NAME): Don't write anything to
+ asm file, because everything is handled in FUNCTION_PROLOGUE.
+
+Sat Apr 13 07:55:38 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * alpha.c (alpha_emit_set_const_1): Renamed from
+ alpha_emit_set_const and static.
+ Remove change of Nov 26; again use normal mechanism for SImode.
+ (alpha_emit_set_const): New function.
+
+Fri Apr 12 18:19:39 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300.c (adds_subs_operand, output_adds_subs): New functions.
+ * h8300.md (addhi3): Turn into a define_expand.
+ (addhi3 using adds_subs): New pattern.
+ (H8300 addhi): Derived from old addhi pattern. Simplified.
+ (H8300H addhi): Likewise.
+ (addsi using adds_subs): New pattern. Only used on H8300H.
+ (addsi_h8300): Allow "a" registers as destination.
+ (addsi_h8300h): Simplify. Allow "a" registers as destination.
+
+ * h8300.md (bcs): New attribute type.
+ (default_length): Compute correct length for bcs insns.
+ (bcs_qiqi, bcs_hihi, bs_hiqi): Use new type and update
+ to account for correct length computation.
+
+ * h8300/h8300.md (movhi_internal): Demand at least one operand to
+ be a register.
+ (movsi_h8300): Optimize loading certain constants.
+ (movsi_h8300h): Likewise.
+
+ * h8300.h (NO_FUNCTION_CSE): Comment out.
+ (FUNCTION_ARG_REGNO_P): Properly define for TARGET_QUICKCALL.
+ (RETURN_IN_MEMORY): Don't return small structs in regs.
+
+ * h8300.c (const_costs): -4 and 4 are cheap on the h8300h.
+ (notice_update_cc): Remove references to "value2" field.
+
+ * h8300.c (dosize): Remove unused "fped" argument. All callers
+ changed. Handle add/sub of 5-8 bytes efficiently on the h8300h.
+
+ * h8300.c (print_operand): Handle new 'R' case for accessing
+ the 8-bit area. Make code for 'Y' fall into code for 'R' when
+ operand is not a register. Update some comments.
+ (h8300_tiny_data_p): New function.
+ (h8300_valid_machine_decl_attribute): Handle "tiny_data" attribute.
+ * h8300.h (OK_FOR_U): Handle memory references into the
+ 8-bit area.
+ (ENCODE_SECTION_INFO): Mark SYMBOL_REFs which refer to 8-bit area.
+ * h8300.md (many patterns): Use 'R' rather than 'X' for
+ operands that may be memory accesses into the 8-bit area.
+ (btst pattern): New pattern to set the cc0 (zbit) based on
+ data in the 8-bit area.
+
+ * h8300.md (one_cmplsi2): Fix length computation for h8300h.
+
+Fri Apr 12 14:34:39 1996 Doug Evans <dje@cygnus.com>
+
+ * arm.md (*ldmsi,*stmsi): Use (mem (match_operand ...))
+ to avoid using indirect_operand (reload problems).
+ * arm/semi.h (CPP_PREDEFINES): Define __semi__ instead of semi.
+ * arm/aout.h (ASM_GENERATE_INTERNAL_LABEL): Use LOCAL_LABEL_PREFIX.
+ (ASM_OUTPUT_ADDR_{VEC,DIFF_ELT}): Likewise.
+
+Fri Apr 12 09:43:30 1996 Jason Merrill <jason@yorick.cygnus.com>
+
+ * dbxout.c (dbxout_typedefs): Don't emit incomplete types yet.
+ (dbxout_symbol): Use DECL_ARTIFICIAL to recognize C++ implicit
+ typedefs.
+
+Thu Apr 11 21:56:26 1996 Doug Evans <dje@cygnus.com>
+
+ * i386/t-winnt (winnt.o): Rewrite based on .c.o rule.
+ (oldnames.o,spawnv.o): Add rules for.
+
+Thu Apr 11 07:25:06 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * calls.c (expand_call): In inlining case, if BEFORE_CALLS is
+ zero, start looking at first insn.
+
+ * expr.c (preexpand_calls, case CALL_EXPR): Rework to properly
+ avoid expanding functions returning variable size objects.
+
+ * integrate.c (expand_inline_function): When comparing types
+ of formal and actual, use TYPE_MAIN_VARIANT.
+
+Thu Apr 11 00:48:29 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300/lib1funcs.asm (modnorm): New function(s). Like divnorm,
+ but gets the sign bit right for modulo operations.
+ (__modhi3, modsi3): Use modnorm.
+
+ * h8300/h8300.c (dosize): On the h8300h, do 4 byte adjustments
+ using adds and subs.
+ * h8300/h8300.h (LONG_LONG_TYPE_SIZE): Always make this 32bits.
+ Reverses change from Apr 2, 1996.
+
+Wed Apr 10 18:39:52 1996 Doug Evans <dje@canuck.cygnus.com>
+
+ * sparc.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
+ (FUNCTION_PROFILER): Use ASM_GENERATE_INTERNAL_LABEL instead.
+
+ * sparc.c (sparc_override_options): 90c701 renamed to tsc701.
+ (eligible_for_epilogue_delay_slot): Don't allow anything if
+ -mbroken-saverestore.
+ (output_function_prologue): Only use trivial save's if
+ -mbroken-saverestore.
+ * sparc.h (CPP_SPEC): Handle -mcpu={sparclet,tsc701}.
+ (ASM_SPEC): Likewise.
+ ({MASK,TARGET}_BROKEN_SAVERESTORE): Define.
+ (enum processor_type): 90C701 renamed to TSC701.
+ * sparc.md (attr cpu): 90c701 renamed to tsc701.
+ * sparc/splet.h (SUBTARGET_SWITCHES): Recognize -mbroken-saverestore.
+
+Wed Apr 10 17:56:02 1996 Stan Cox <coxs@dg-rtp.dg.com>
+
+ * m88k/dgux.h (EXTRA_SPECS): Define.
+ (ASM_SPEC,CPP_SPEC,STARTFILE_SPEC): Use EXTRA_SPECS.
+ * m88k/dguxbcs.h (ASM_SPEC,CPP_SPEC,STARTFILE_SPEC): Use EXTRA_SPECS.
+ * m88k/m88k.c (output_ascii) Output literal HT.
+
+Wed Apr 10 17:28:37 1996 James Carlson (carlson@xylogics.com)
+
+ * configure: Work around AIX bug when defining SUBDIRS.
+
+Wed Apr 10 17:22:42 1996 Paul Eggert <eggert@twinsun.com>
+
+ * cexp.y (parse_number): Don't reject long long constants unless
+ pedantic.
+
+Wed Apr 10 17:19:56 1996 Stephen L. Moshier (moshier@world.std.com)
+
+ * real.c (e64toe): Properly distinguish between NaN and infinity
+ bit patterns for real-words-big-endian targets.
+
+Wed Apr 10 17:17:26 1996 Richard Earnshaw (rearnsha@armltd.co.uk)
+
+ * real.c (endian): Add two explicit casts.
+ (e64toe): Support ARM extended precision fp format.
+ Check negative infinities properly for NaNs.
+ (toe64): Support ARM extended precision fp format.
+
+Tue Apr 9 12:53:31 1996 Doug Evans <dje@canuck.cygnus.com>
+
+ * i386/gas.h (ASM_OUTPUT_ALIGN): Define and use .balign.
+
+Tue Apr 9 12:48:45 1996 Stephen L Moshier (moshier@world.std.com)
+
+ * sparc.c (fp_zero_operand): Exclude -0.0.
+
+Tue Apr 9 07:11:24 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * alpha.c: Fix typo in last change.
+
+ * tree.c (substitute_in_expr): Don't return new expression if
+ nothing changed.
+ (substitute_in_type): Deleted, not used.
+ * tree.h (substitute_in_type): Delete declaration.
+
+Mon Apr 8 16:30:18 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * flow.c (find_auto_inc): Also make sure there aren't
+ any sets of the incremented register between the memory
+ reference and increment insn.
+
+Mon Apr 8 15:41:14 1996 John Polstra (jdp@polstra.com)
+
+ * configure (i[3456]86-*-freebsdelf*): New target.
+ * i386/freebsd-elf.h: New file.
+ * i386/x-freebsd (USER_H): New define; to null.
+
+Mon Apr 8 14:44:41 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * c-decl.c (finish_function): Always warn if main doesn't return int.
+
+Mon Apr 8 13:01:37 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * rs6000.c (got_operand): New function, returns true if the
+ operand can go in V.4's GOT.
+ (rs6000_pic_register): New variable.
+ (output_epilog): Reset rs6000_pic_register.
+
+ * rs6000.h (rs6000_pic_register,got_operand,flag_pic): Add
+ declarations.
+ (PREDICATE_CODES): Add got_operand.
+
+ * rs6000.md (movsi): Add support for V.4's -fpic and -FPIC.
+ (init_v4_pic): Initialize the V4 pic register if needed.
+ (call patterns): If -fpic/-fPIC, call function with @plt suffix.
+
+ * t-eabigas (MULTILIB_DIRNAMES): Remove errant pic directory.
+
+ * rs6000.c (output_prolog): Correctly store & restore the
+ arguments to main in their correct save location, when calling the
+ start function.
+
+Mon Apr 8 13:01:37 1996 David Reese <Dave.Reese@East.Sun.COM>
+
+ * rs6000.c (print_operand): Use reg_names to print registers.
+
+Fri Apr 5 00:40:19 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300.c (h8300_valid_machine_decl_attribute): Use underscores,
+ not dashes in attributes.
+ (h8300_funcvec_function_p): Corresponding changes.
+ (h8300_interrupt_function_p): Likewise.
+
+ * pa.h (INIT_CUMULATIVE_INCOMING_ARGS): Initialize "indirect"
+ field to zero.
+
+Thu Apr 4 12:52:11 1996 Jim Wilson <wilson@chestnut.cygnus.com>
+
+ * loop.c (combine_givs): Use new macro GIV_SORT_CRITERION.
+ New variable giv_array. Loop over giv_array instead of following
+ next_iv links.
+ (giv_sort): New function.
+ * sh.h (GIV_SORT_CRITERION): Define.
+
+ * c-typeck.c (push_init_level): When output alignment for structure
+ field, add check to verify it is the next field to be output.
+
+Thu Apr 4 12:19:26 1996 David Mosberger-Tang <davidm@AZStarNet.com>
+
+ * alpha.c: Don't include stamp.h for Linux.
+
+Thu Apr 4 12:17:08 1996 Richardg Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * objc/Makefile: Rename thread* to thr*.
+ * objc/thread.c: Rename thread-* to thr-*.
+ * objc/thr-decosf1.c: Renamed from thread-decosf1.c
+ * objc/thr-irix.c: Renamed from thread-irix.c.
+ * objc/thr-single.c: Renamed from thread-single.c.
+ * objc/thr-solarius.c: Renamed from thread-solaris.c.
+ * objc/thr-win32.c: Renamed from thread-win32.c.
+ * objc/objc-api.h: Include thr.h, not thread.h.
+ * objc/runtime.h, objc/sarray.h: Likewise.
+
+ * i386.md (ashldi3_const_int): Don't recognize if won't match
+ constraint of operand 2.
+
+Thu Apr 4 11:40:55 1996 Michael Meissner <meissner@tiktok.cygnus.com>
+
+ * config/fp-bit.c (EXTENDED_FLOAT_STUBS): If EXTENDED_FLOAT_STUBS
+ is defined, define all of the XF/TF functions that might be
+ generated that we don't have code for yet.
+
+ * i960/t-(vxworks960,960bare): (LIB2FUNCS_EXTRA): Make and
+ compile xp-bits.c that defines EXTENDED_FLOAT_STUBS.
+
+ From: steve chamberlain <sac@slash.cygnus.com>
+ * i386/x-cygwin32 (LANGUAGES): Delete.
+ * i386/xm-cygwin32.h (EXECUTABLE_SUFFIX): Set to .exe.
+ * rs6000/xm-cygwin32.h (EXECUTABLE_SUFFIX): Set to .exe.
+
+Wed Apr 3 14:10:16 1996 Jim Wilson <wilson@chestnut.cygnus.com>
+
+ * expr.c (emit_push_insn): Clobber register only if it is non-zero.
+
+Wed Apr 3 11:31:55 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300.h (h8300_funcvec_function_p): Declaration moved here.
+ * h8300.c (h8300_funcvec_function_p): Declaration removed from here.
+ * h8300.md (tstqi): Tweak to work like other tstXX patterns.
+ (cmphi): Turn into a define_expand. Add two anonymous
+ matterns to match the output of the cmphi expander.
+ (cmpsi): Accept constants as the second input operand.
+
+Tue Apr 2 13:52:30 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300.md (movqi_internal): Remove useless alternative(s). Fix
+ lengths and simplify by reordering remaining alternatives.
+ (movstrictqi, movhi_internal, movstricthi): Likewise.
+ (movsi_h8300h, movsf_h8300h): Likewise.
+
+ * h8300/h8300.c (extra_pop): Remove unused variable.
+ (current_function_anonymous_args): Likewise.
+ (function_prologue): Remove incorrect varargs/stdarg
+ related code.
+ (function_epilogue): Likewise.
+ (function_arg): Never pass unnamed arguments in registers.
+ * h8300.h (LONG_LONG_TYPE_SIZE): Use 64bits when ints are 32bits.
+ (SETUP_INCOMING_VARARGS): Remove definition.
+
+Mon Apr 1 16:59:48 1996 Ian Lance Taylor <ian@cygnus.com>
+
+ * fixincludes: Fix signal prototype on SunOS to avoid pedantic C++
+ error.
+
+Mon Apr 1 16:16:34 1996 Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
+
+ * expr.c (get_inner_reference): When finding mode to access bitfield
+ that ends up properly aligned, use mode class of its type unless
+ type's mode was BLKmode.
+
+Mon Apr 1 13:45:30 1996 Jeffrey A. Law <law@cygnus.com>
+
+ * h8300.c (interrupt_handler): Renamed from pragma_interrupt.
+ All references changed.
+ (function_prologue): Set interrupt_handler if the current
+ function has the "interrrupt-handler" attribute.
+ (small_call_insn_operand): New function.
+ (h8300_interrrupt_function_p): New function.
+ (h8300_funcvec_function_p): New function.
+ (h8300_valid_machine_decl_attribute): New function.
+ * h8300.h (VALID_MACHINE_DECL_ATTRIBUTE): Define.
+ * h8300.md (call insns): Handle calls through the
+ function vector. Indirect calls and calls through
+ the function vector have a length of two bytes.
+
+See ChangeLog.10 for earlier changes.
don't conflict with things needed to reload inputs or
outputs. */
- in_max = MAX (MAX (insn_needs.op_addr.regs[j][i],
- insn_needs.op_addr_reload.regs[j][i]),
+ in_max = MAX ((insn_needs.op_addr.regs[j][i]
+ + insn_needs.op_addr_reload.regs[j][i]),
in_max);
out_max = MAX (out_max, insn_needs.insn.regs[j][i]);
= MAX (out_max, insn_needs.out_addr_addr[j].groups[i]);
}
- in_max = MAX (MAX (insn_needs.op_addr.groups[i],
- insn_needs.op_addr_reload.groups[i]),
+ in_max = MAX ((insn_needs.op_addr.groups[i]
+ + insn_needs.op_addr_reload.groups[i]),
in_max);
out_max = MAX (out_max, insn_needs.insn.groups[i]);
if (TEST_HARD_REG_BIT (reload_reg_used_in_input[i], regno))
return 0;
+ /* ??? A OPADDR_ADDR reload does not conflict with the OPERAND_ADDRESS
+ reload that uses it. However, the same operand can have multiple
+ OPERAND_ADDRESS reloads, and a OPADDR_ADDR reload does conflict with
+ other OPERAND_ADDRESS reloads for the same operand, hence we must
+ say that OPADDR_ADDR and OPERAND_ADDRESS reloads always conflict. */
return (! TEST_HARD_REG_BIT (reload_reg_used_in_insn, regno)
+ && ! TEST_HARD_REG_BIT (reload_reg_used_in_op_addr_reload, regno)
&& ! TEST_HARD_REG_BIT (reload_reg_used_in_op_addr, regno));
case RELOAD_FOR_OPADDR_ADDR:
if (TEST_HARD_REG_BIT (reload_reg_used_in_input[i], regno))
return 0;
- return (!TEST_HARD_REG_BIT (reload_reg_used_in_op_addr_reload, regno));
+ return (! TEST_HARD_REG_BIT (reload_reg_used_in_op_addr_reload, regno)
+ && ! TEST_HARD_REG_BIT (reload_reg_used_in_op_addr, regno));
case RELOAD_FOR_OUTPUT:
/* This cannot share a register with RELOAD_FOR_INSN reloads, other
return ! TEST_HARD_REG_BIT (reload_reg_used_in_other_addr, regno);
case RELOAD_FOR_OPERAND_ADDRESS:
- /* Earlier reloads include RELOAD_FOR_OPADDR_ADDR reloads. */
- if (TEST_HARD_REG_BIT (reload_reg_used_in_op_addr_reload, regno))
- return 0;
-
- /* ... fall through ... */
-
case RELOAD_FOR_OPADDR_ADDR:
case RELOAD_FOR_INSN:
/* These can't conflict with inputs, or each other, so all we have to
|| TEST_HARD_REG_BIT (reload_reg_used_in_output[i], regno))
return 0;
- return (! TEST_HARD_REG_BIT (reload_reg_used_in_op_addr, regno)
- && !TEST_HARD_REG_BIT (reload_reg_used_in_insn, regno));
+ return (! TEST_HARD_REG_BIT (reload_reg_used_in_insn, regno));
case RELOAD_FOR_INSN:
/* These conflict with other outputs with RELOAD_OTHER. So
case RELOAD_FOR_OPERAND_ADDRESS:
return (r2_type == RELOAD_FOR_INPUT || r2_type == RELOAD_FOR_INSN
- || r2_type == RELOAD_FOR_OPERAND_ADDRESS);
+ || r2_type == RELOAD_FOR_OPERAND_ADDRESS
+ || r2_type == RELOAD_FOR_OPADDR_ADDR);
case RELOAD_FOR_OPADDR_ADDR:
return (r2_type == RELOAD_FOR_INPUT
- || r2_type == RELOAD_FOR_OPADDR_ADDR);
+ || r2_type == RELOAD_FOR_OPADDR_ADDR
+ || r2_type == RELOAD_FOR_OPERAND_ADDRESS);
case RELOAD_FOR_OUTPUT:
return (r2_type == RELOAD_FOR_INSN || r2_type == RELOAD_FOR_OUTPUT
projects / gcc.git / commitdiff