1 1999-02-22 Nick Clifton <nickc@cygnus.com>
3 * config/arm/arm.h: Add TARGET_CPU_strongarm1100.
4 Add -mno-sched command line switch to disable scheduling of
5 instructions into the function's prologue.
6 (enum processor_type): Remove.
7 (TARGET_OPTIONS): Add "fpe=" option to match documentation.
8 (struct arm_cpu_select): Replace 'set_tune_p' and 'set_arch_p'
9 fields with 'processors' field.
10 (CONDITIONAL_REGISTER_USAGE): Allow r10 to be used if stack
11 checking is not enabled.
12 (RETURN_IN_MEMORY): Always call arm_return_in_memory.
14 * config/arm/arm.c: (arm_cpu): Remove.
16 (arm_is_strong): New variable: true iff the target processor is a
18 (arm_is_6_or_7): New variable: true iff the target processor is an
20 (arm_select): Fields reorganised.
21 (struct processors): processor_type field removed.
23 (all_cores): New array: Definitions of all known ARM cpu cores.
24 (all_architectures): New array: Definitions of all known ARM
27 (FL_SCHED): New processor flag: processor required load
29 (FL_STRONG): New processor flag: processor is a StrongARM.
30 (arm_override_options): Reorganised to make code clearer.
31 (use_return_insn): Test for "not (TARGET_APCS and
32 frame_pointer_needed)".
33 (arm_return_in_memory): Improve handling of structures.
35 * config/arm/arm.md: Remove "cpu" attribute. Replace with
36 "is_strongarm" and "is_arm_6_or_7" attributes.
37 (zero_extendhisi2): Check for TARGET_SHORT_BY_BYTES before
39 (extendhisi2): Check for TARGET_SHORT_BY_BYTES before arm_arch4.
41 * invoke.texi (ARM Options): Document -mtune= and -mfp= options.
43 1999-02-22 Philip Blundell <philb@gnu.org>
45 * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Replace default
46 definition with one including cache synchronisation.
47 (CLEAR_INSN_CACHE): Correct syscall number and enable definition.
48 Move definition of inhibit_libc to...
49 * config/arm/xm-linux.h: ... here.
51 * config/arm/t-linux: Disable multilib configurations since the
52 only effect for most people is to cause builds to fail.
54 * config/arm/elf.h (ASM_FILE_START): Add .file directive.
55 (ASM_SPEC): Translate -mapcs-float to -mfloat for the assembler.
57 * config/arm/linux-elf.h (DEFAULT_VTABLE_THUNKS): Define.
58 (HANDLE_SYSV_PRAGMA): Likewise.
59 (LIB_SPEC): Copy definition from generic Linux files.
60 (LIBGCC_SPEC): Include -lfloat if -msoft-float was given.
61 (FP_DEFAULT): Set to SOFT3 on 32-bit targets.
62 (DWARF2_DEBUGGING_INFO): Define.
63 (PREFERRED_DEBUGGING_TYPE): Define as DBX_DEBUG.
65 Mon Feb 22 16:54:18 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
67 * loop.c (libcall_other_regs): Make extern.
68 * rtl.h (find_last_value): Add parameter to prototype.
69 (libcall_other_reg): Add extern declaration.
70 * rtlanal.c (find_last_value): Add another parameter to allow
71 a definition using a hardware register to be found as well.
73 Mon Feb 22 13:33:47 1999 Mark Mitchell <mark@markmitchell.com>
75 * cse.c (dump_class): New function.
76 (invalidate_memory): Fix typo in comment.
77 * function.c (temp_slot): Add an alias set field.
78 (assign_stack_temp): Only reuse slots if they will have the
79 same alias set as before.
80 (combine_temp_slots): Don't combine if -fstrict-aliasing;
82 * rtl.c (copy_rtx): Copy all the flags (in particular,
85 Mon Feb 22 14:13:23 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
87 * configure.in (i[34567]86-*-linux-gnu*,
88 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
89 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
94 * fixinc.x86-linux-gnu: New script for fixing asm-statements bug
97 * fixinc/fixinc.x86-linux-gnu: Copy of the previous one.
99 * fixinc/mkfixinc.sh (i[34567]86-*-linux-gnu*,
100 i[34567]86-*-linux-gnulibc1, i[34567]86-*-linux-gnuaout*,
101 i[34567]86-*-linux-gnuoldld*): Use fixinc.x86-linux-gnu as
104 Mon Feb 22 08:55:05 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
106 * objc/objc-act.c (encode_type): Temporary revert to the old
107 behavior of encoding types as the new one seems to break the
108 encoding of bitfields.
110 Mon Feb 22 11:40:44 1999 Craig Burley <craig@jcb-sc.com>
111 Sat Feb 20 09:59:36 1999 Craig Burley <craig@jcb-sc.com>
113 * Makefile.in (all.internal, all.cross): Depend on `doc'
114 target, to ensure docs get made before installation.
117 Decrease spurious warnings from -fsyntax-only:
118 * stmt.c (expand_expr_stmt): Expand expr even when -fsyntax-only.
120 Mon Feb 22 10:55:00 1999 Gavin Romig-Koch <gavin@cygnus.com>
122 * c-lex.c (yylex): Replace warning about integer constants being
123 larger than long-longs, with a warning about integer constants
124 being larger than the largest target integer.
126 Mon Feb 22 08:35:38 1999 Craig Burley <craig@jcb-sc.com>
128 Fix -fsyntax-only ICEs:
129 * varasm.c (assemble_zeros, assemble_variable,
130 output_constant_def): Do nothing when -fsyntax-only.
132 Fri Feb 19 18:18:56 1999 Don Bowman <don@pixstream.com>
134 * configure.in (mips*-*-vxworks*): Enable gthreads vxworks support.
135 * configure: Rebuilt.
137 Sun Feb 21 20:34:44 PST 1999 Jeff Law (law@cygnus.com)
139 * version.c: Bump for snapshot.
141 Sun Feb 21 20:35:10 1999 Jeffrey A Law (law@cygnus.com)
143 * config/aoutos.h (ASM_OUTPUT_CONSTRUCTOR): Delete.
144 (ASM_OUTPUT_DESTRUCTOR, ASM_OUTPUT_GC_ENTRY): Likewise.
145 * tm.texi: Update docs for constructors and destructors.
147 Sun Feb 21 17:11:18 1999 Richard Henderson <rth@cygnus.com>
149 * genattrtab.c (check_attr_value): Allow negative const_int if
150 negative_ok. Accept integral arithmetic operators. Accept
151 direct references to other attributes. Accept symbol_ref in
152 non-constant attributes.
153 (max_attr_value): Add new argument `unknownp'. Update all callers.
154 (or_attr_value): Likewise.
155 (simplify_knowing): Don't optimize if max_attr_value unknown.
156 (write_length_unit_log): Likewise with or_attr_value.
157 (find_and_mark_used_attributes): Don't fallthru case.
158 (write_attr_set): Pass thru all non-cond expressions.
159 (write_attr_value): Handle symbol_ref, attr, and arithmetic.
161 Sun Feb 21 13:16:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
163 * regmove.c (discover_flags_reg): Use word_mode instead of SImode.
165 Sun Feb 21 13:15:40 1999 Richard Henderson <rth@cygnus.com>
167 * regmove.c (discover_flags_reg): Remove cc0 code.
168 (mark_flags_life_zones) [HAVE_cc0]: Force use of cc0; bail if
169 a potential flags register was identified.
171 Sat Feb 20 16:16:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
173 * rs6000.md (scc plus ltu): Fix typo in last change.
175 Sat Feb 20 09:08:44 1999 Richard Earnshaw (rearnsha@arm.com)
177 * xm-arm.h (HOST_BITS_PER_LONGLONG): Define.
179 Fri Feb 19 23:02:02 1999 Richard Henderson <rth@cygnus.com>
181 * regmove.c (discover_flags_reg): New function.
182 (flags_set_1, mark_flags_life_zones): New functions.
183 (regmove_optimize): Call them.
184 (fixup_match_1): Use insn modes rather than sets_cc0_p.
186 Fri Feb 19 22:47:01 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
188 * rtlanal.c (insn_first_p): Fix return value for insn == reference.
190 * loop.c (strength_reduce, check_final_value, check_dbra_loop):
191 Use loop_insn_first_p.
193 Fri Feb 19 15:49:26 1999 Michael Meissner <meissner@cygnus.com>
194 David Edelsohn <edelsohn@mhpcc.edu>
196 * rs6000.md (scc plus eq): Fix output template.
197 (scc plus ltu): Fix output template and collapse variants
198 correcting early clobbers.
199 (scc plus geu): Fix output template.
200 (scc plus gt): Fix output template.
201 (scc plus gtu): Fix output template and collapse variants.
203 Fri Feb 19 15:43:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
205 * cppinit.c (print_help): Remove unescaped newline in string.
207 Fri Feb 19 19:55:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
209 * loop.c (strength_reduce): Check for intervening jumps when
210 converting biv increment to giv.
212 Thu Feb 18 16:36:58 1999 Per Bothner <bothner@cygnus.com>
214 * tree.def (TRY_FINALLY_EXPR, GOTO_SUBROUTINE_EXPR): New tree nodes,
215 * expr.c (expand_expr): Support new tree nodes.
217 Fri Feb 19 10:17:56 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
219 * config/m68k/m68k.c (m68k_align_loops_string,
220 m68k_align_jumps_string, m68k_align_funcs_string): Add const.
221 * config/m68k/m68k.h (m68k_align_loops_string,
222 m68k_align_jumps_string, m68k_align_funcs_string): Likewise.
224 Thu Feb 18 23:28:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
226 * bitmap.c (bitmap_print): Qualify a char* with the `const' keyword.
228 * bitmap.h (bitmap_print): Likewise.
230 * c-decl.c (builtin_function, grokdeclarator, grokfield): Likewise.
232 * c-lang.c (build_objc_string): Likewise.
234 * c-lex.c (yyerror, extend_token_buffer): Likewise. Don't include
235 limits.h or ctype.h. Remove unused variable `p'.
237 * c-lex.h (yyerror): Qualify a char* with the `const' keyword.
239 * c-pragma.c (handle_pragma_token): Likewise.
241 * c-pragma.h (handle_pragma_token): Likewise.
243 * c-tree.h (build_objc_string, builtin_function, grokfield,
244 build_indirect_ref, lvalue_or_else, readonly_warning, error_init,
245 pedwarn_init): Likewise.
247 * c-typeck.c (convert_for_assignment, warn_for_assignment,
248 push_string, warning_init, incomplete_type_error,
249 build_indirect_ref, lvalue_or_else, readonly_warning,
250 build_c_cast, spelling, push_member_name, print_spelling,
251 error_init, pedwarn_init, start_init): Likewise.
253 * objc/objc-act.c (build_objc_string): Likewise.
255 * print-tree.c (print_node_brief, print_node): Likewise.
257 * tree.h (lvalue_or_else, print_node, print_node_brief): Likewise.
259 Thu Feb 18 20:44:21 1999 David Edelsohn <edelsohn@mhpcc.edu>
261 * regclass.c (record_reg_classes): Correctly handle 'p' constraint.
263 Thu Feb 18 19:59:37 1999 Marc Espie <espie@cvs.openbsd.org>
265 * configure.in :Handle OpenBSD platforms.
266 * configure: Rebuilt.
267 * config/openbsd.h: New file.
268 * config/xm-openbsd.h: New file.
269 * config/t-openbsd: New file.
270 * config/t-openbsd-thread: New file.
272 Thu Feb 18 18:47:09 1999 Jeffrey A Law (law@cygnus.com)
274 * function.c (assign_stack_temp_for_type): Round SIZE before calling
275 assign_stack_local for BLKmode slots.
277 Fri Feb 19 01:45:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
279 * loop.c (strength_reduce): For derived givs, replace the
280 giv this was derived from with its new_reg.
281 (recombine_givs): Don't set new_reg for derived giv.
282 And don't print it, print SUM instead.
284 Thu Feb 18 15:52:49 1999 Jim Wilson <wilson@cygnus.com>
286 * m68kelf.h (ASM_RETURN_CASE_JUMP): Add 5200 support.
288 1999-02-18 18:32 -0500 Zack Weinberg <zack@rabi.columbia.edu>
290 * cpplib.c: Kill define of STDC_VALUE. Don't include output.h
291 or prefix.h. Change CPP_IS_MACRO_BUFFER to not refer to
293 (GET_ENV_PATH_LIST, PATH_SEPARATOR, STANDARD_INCLUDE_DIR,
294 predefs, SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
295 CPP_WCHAR_TYPE, USER_LABEL_PREFIX, REGISTER_PREFIX, struct
296 cpp_pending, version_string, struct default_include,
297 include_defaults_array, path_include, cpp_options_init,
298 dump_special_to_buffer, initialize_builtins, cpp_start_read,
299 cpp_reader_init, nreverse_pending, push_pending, print_help,
300 cpp_handle_option, cpp_handle_options, cpp_finish,
301 cpp_cleanup): Move to cppinit.c.
302 (macro_cleanup, struct arglist, collect_expansion,
303 create_definition, compare_defs, comp_def_part, ARG_BASE,
304 struct argdata, macarg, change_newlines, timestamp,
305 monthnames, special_symbol, unsafe_chars, macroexpand,
306 push_macro_expansion): Move to cpphash.c.
307 (quote_string, check_macro_name, cpp_expand_to_buffer,
308 output_line_command, cpp_undef): Export.
309 (null_underflow, null_cleanup, handle_directive): Make static.
311 * cpplib.h: Prototype now-exported functions. Adjust decls of
312 syntax tables so we can include cpplib.h in cppinit.c.
313 * cpphash.h: Prototype all functions exported by cpphash.c.
314 * cppinit.c: Make syntax tables initialized data if possible
315 (uses GCC designated-initializer extension).
316 * cppexp.c: Make cpp_lex static.
317 * Makefile.in: Move -D switches for the various include dirs
318 from cpplib.o rule to cppinit.o rule. Adjust dependencies.
320 Thu Feb 18 13:15:56 1999 Marc Espie <espie@cvs.openbsd.org>
322 * alpha/openbsd.h: New file.
323 * alpha/xm-openbsd.h: New file.
324 * sparc/openbsd.h: New file.
325 * sparc/xm-openbsd.h: New file.
326 * m68k/openbsd.h: New file.
327 * m68k/xm-openbsd.h: New file.
328 * i386/openbsd.h: New file, originally from netbsd.
329 * i386/xm-openbsd.h: New file.
331 1999-02-17 14:49 -0500 Zack Weinberg <zack@rabi.columbia.edu>
333 * Makefile.in: Correct dependencies for cpplib object files.
335 Wed Feb 17 14:04:18 1999 Michael Meissner <meissner@cygnus.com>
337 * rs6000.md ({add,sub}si3 `.'): Add alternatives to use CR other
340 Wed Feb 17 16:59:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
342 * loop.c (strength_reduce): Don't move giv insn for biv turned giv
345 Wed Feb 17 10:56:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
347 * tree.c (tree_node_kind_names, print_obstack_name,
348 get_identifier, maybe_get_identifier, build_string,
349 build_expr_wfl, is_attribute_p, lookup_attribute,
350 print_obstack_statistics, get_file_function_name_long, tree_check,
351 tree_class_check, expr_check): Qualify a char* with the `const'
354 * tree.h (get_identifier, maybe_get_identifier, build_string,
355 build_expr_wfl, is_attribute_p, lookup_attribute,
356 print_obstack_statistics, print_obstack_name, tree_check,
357 tree_class_check, expr_check): Likewise.
359 Tue Feb 16 21:29:38 1999 Jeffrey A Law (law@cygnus.com)
361 * i386/freebsd-elf.h, i386/gas.h, i386/linux.h: Fix minor spacing
364 * calls.c (store_one_arg): Mark any slots used for the argument
365 as in-use immediately after we're done saving any slots which
366 will be overwritten by this argument.
368 Tue Feb 16 21:02:07 1999 Anton Hartl <toni@devsoft.com>
370 * rs6000.md (call_value): Fix typo.
372 Wed Feb 17 01:29:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
374 * loop.c (strength_reduce): Calculate maybe_dead before
375 calling recombine_givs.
377 Wed Feb 17 00:43:12 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
379 * loop.c (strength_reduce): Dump biv increment -> giv conversions.
381 Tue Feb 16 15:31:39 1999 Ovidiu Predescu <ovidiu@cup.hp.com>
383 * objc/objc-act.c (encode_type): Encode the type instead of
384 encoding the mode of the type (patch from Richard Frith-Macdonald
385 <richard@brainstorm.co.uk>).
387 Tue Feb 16 10:53:51 1999 Richard Earnshaw (rearnsha@arm.com)
389 * config/arm/arm.md (*zeroextractqi_compare0_scratch): Re-add load
390 instruction killed in previous change. Simplify mask generation.
391 (*zeroextractsi_compare0_scratch): Simpify mask generation.
393 Tue Feb 16 09:52:26 1999 Nick Clifton <nickc@cygnus.com>
395 * config/arm/arm.md (zeroextractqi_compare0_scratch): Ensure that
396 bitfield does not overflow a byte boundary.
398 Tue Feb 16 01:37:33 1999 Charles G Waldman <cgw@alum.mit.edu>
400 * c-common.c (shorten_compare): Get the min/max value from the
401 underlying type of an enumeration, not the enumerated type itself.
403 Mon Feb 15 23:04:48 1999 Jeffrey A Law (law@cygnus.com)
405 * jump.c: Include insn-attr.h.
406 (delete_computation): If reload has completed and insn scheduling
407 after reload is enabled, then do not depend on REG_DEAD notes.
408 * Makefile.in (jump.o): Depend on insn-attr.h.
410 Mon Feb 15 16:57:38 1999 Richard Henderson <rth@cygnus.com>
412 * i386.md (addsi3): Allow lea for any constant_p.
414 1999-02-15 17:11 -0500 Zack Weinberg <zack@rabi.columbia.edu>
416 * toplev.c (documented_lang_options): Remove -fident and
417 -fnoident, which are now handled by the language independent
420 1999-02-15 16:59 -0500 Zack Weinberg <zack@rabi.columbia.edu>
422 * c-common.c (UNGETC [USE_CPPLIB=1]): Do nothing if c is EOF.
424 * cpplib.c (cpp_push_buffer, cpp_pop_buffer): Use a linked
425 list in malloced memory for the buffer stack.
426 (cpp_get_token): Don't pop the last buffer off the stack.
427 Calls after CPP_EOF has been returned produce CPP_EOF with no
429 (cpp_finish): Pop last buffer here.
430 (do_line): Don't free ip->last_nominal_fname if it is equal to
432 (special_symbol): If a T_CONST is the empty string, push a
433 single `@ ' escape instead.
434 (macroexpand): Special symbol buffers have escapes too.
435 * cpplib.h (struct cpp_buffer): Remove unused fields, add prev
437 (struct cpp_reader): Remove buffer_stack. Add
439 (CPP_PREV_BUFFER, CPP_NULL_BUFFER): Buffer stack is now a
442 Mon Feb 15 14:44:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
444 * cccp.c: Don't define HOST_WIDE_INT. Replace all occurrences of
445 WIDE_INT with WIDEST_INT.
448 Don't define unsigned_HOST_WIDE_INT, CHAR_BIT or
449 HOST_BITS_PER_WIDE_INT. Replace occurrences of PRINTF_PROTO_1()
450 style with PVPROTO() ATTRIBUTE_PRINTF_1 style macros. Replace
451 occurrences of "unsigned_HOST" with "unsigned HOST". Provide a
452 definition of variable `c89' when compiling a test binary and set it.
454 * system.h: Don't define the PRINTF_PROTO_* macros.
456 Mon Feb 15 11:33:51 1999 Jeffrey A Law (law@cygnus.com)
458 * loop.c (mark_loop_jump): Handle LO_SUM. If we encounter something
459 we do not understand, mark the loop and containing loops as invalid.
461 Mon Feb 15 00:40:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
463 * alias.c (init_alias_analysis): Avoid self-referential value
464 when setting reg_known_value from REG_EQUAL notes.
466 Sun Feb 14 23:12:10 1999 Richard Henderson <rth@cygnus.com>
468 * i386.c (legitimate_address_p): Verify modes of base and index.
470 Sun Feb 14 23:01:28 1999 Richard Henderson <rth@cygnus.com>
472 * i386.c (legitimate_pic_address_disp_p): Remove static.
473 * i386.h (LEGITIMATE_PIC_OPERAND_P): Use it instead of
476 Sun Feb 14 21:03:28 1999 Jeffrey A Law (law@cygnus.com)
478 * except.c (start_catch_handler): Use emit_cmp_and_jump_insns.
479 * explow.c (probe_stack_range): Likewise.
480 * expmed.c (do_cmp_and_jump): Likewise.
481 * expr.c (store_expr, expand_expr, expand_builtin): Likewise.
482 (do_tablejump): Likewise.
483 * stmt.c (expand_expr_stmt, expand_end_case): Likewise.
484 (do_jump_if_equal, emit_case_nodes): Likewise.
485 * optabs.c (emit_cmp_and_jump_insns): Clarify comments. If UNSIGNEDP,
486 then convert comparison to an unsigned code before emitting the jump.
487 (expand_float, expand_fix): Use emit_cmp_and_jump_insns.
489 Sun Feb 14 02:24:15 PST 1999 Jeff Law (law@cygnus.com)
491 * version.c: Bump for snapshot.
493 Sun Feb 14 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
495 * version.c: Bump for snapshot.
497 Sun Feb 14 00:45:50 1999 Jeffrey A Law (law@cygnus.com)
499 * loop.c: Disable recent loop changes. Temporary as Joern
500 continues to fix problems.
502 Sat Feb 13 23:29:42 1999 Richard Henderson <rth@cygnus.com>
504 * loop.c (combine_givs_used_by_other): Delete.
505 (combine_givs_benefit_from): Delete.
506 (combine_givs): Deny combination of givs only used once. Simplify
507 code with the death of combine_givs_benefit_from.
509 Sun Feb 14 11:24:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
511 * loop.c (scan_loop): Call reg_in_basic_block_p before
512 loop_reg_used_before_p.
514 Sat Feb 13 05:32:00 1999 Richard Earnshaw (rearnsha@arm.com)
516 * arm.md: Use gen_rtx_FOO instead of gen_rtx (FOO, ...).
520 * arm.h (TARGET_OPTIONS): Reformat for clarity.
521 (GO_IF_LEGITIMATE_ADDRESS): When generating PIC, references to symbols
522 in the constant pool aren't valid.
523 (LEGITIMATE_PIC_OPERAND_P): Likewise.
525 * arm.c: Include "system.h", not stdio.h and string.h.
527 Fri Feb 12 13:06:28 1999 Jim Wilson <wilson@cygnus.com>
529 * stmt.c (expand_return): Return if optimize_tail_recursion succeeded.
530 (optimize_tail_recursion): Change return type from void to int.
531 Add return statements.
532 * tree.h (optimize_tail_recursion): Change prototype to match.
534 Fri Feb 12 21:09:51 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
536 * reload.c (find_reloads_subreg_address): New function, broken out of
538 (find_reloads_toplev, find_reloads_address_1): Use it.
540 Fri Feb 12 13:20:52 1999 Jeffrey A Law (law@cygnus.com)
542 * h8300.md (zero_extendhisi2 H8/300 variant): Correctly handle
543 extending a CONST_INT.
545 * h8300.md (peephole for combining memrefs): Delete incorrect peephole.
547 Fri Feb 12 18:29:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
549 * loop.c (loop_insn_first_p, biv_elimination_giv_has_0_offset):
551 (maybe_eliminate_biv_1): Use biv_elimination_giv_has_0_offset.
553 Fri Feb 12 16:56:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
555 * loop.c (load_mems): Don't guess how to do a load / store, use
558 Fri Feb 12 09:24:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
560 * system.h: Provide a definition for HOST_WIDEST_INT, etc.
562 Fri Feb 12 23:37:26 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
564 * config/c4x/c4x.c (c4x_address_cost): Revert 9 Feb change.
566 Fri Feb 12 00:51:26 1999 Jeffrey A Law (law@cygnus.com)
568 * reload.c (find_reloads_address_1): Fix handling of an autoincremented
569 pseudo which is homed in the stack.
571 * mips.c (save_restore_insns): Fix loop to save/restore FP registers.
572 (compute_frame_size): Change loop over FP regs to be consistent
573 with the loop in save_restore_insns.
575 Thu Feb 11 17:38:40 1999 Jim Wilson <wilson@cygnus.com>
577 * i960/i960.h (OVERRIDE_OPTIONS): Warn if -mlong-double-64 is used.
578 (LONG_DOUBLE_TYPE_SIZE): Undef then unconditionally define to 96.
580 Thu Feb 11 15:11:35 1999 Jeffrey A Law (law@cygnus.com)
582 * mn10200.md (bset); Re-enable.
584 Thu Feb 11 15:20:49 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
586 * sh.md (is_sfunc): New attribute.
587 * sh.h (INSN_SETS_ARE_DELAYED, INSN_REFERENCES_ARE_DELAYED): Use it.
589 Thu Feb 11 01:06:49 1999 Nathan Sidwell <nathan@acm.org>
591 * fold-const.c (range_binop): Take account of the bounded nature
592 of fixed length arithmetic when comparing unbounded ranges.
594 Thu Feb 11 00:08:17 1999 John Wehle (john@feith.com)
596 * function.c (assign_stack_temp_for_type): Clear best_p
597 when an exact match is found.
599 * i386.h (LOCAL_ALIGNMENT): Define.
600 * function.c (assign_stack_local, assign_outer_stack_local): Use it.
601 (assign_stack_temp_for_type): New function based on assign_stack_temp.
602 (assign_stack_temp): Call it.
603 (assign_temp): Use assign_stack_temp_for_type, not assign_stack_temp.
604 * stmt.c: Use assign_temp, not assign_stack_temp.
605 * tm.texi: Document LOCAL_ALIGNMENT.
607 Wed Feb 10 23:28:28 1999 Jeffrey A Law (law@cygnus.com)
609 * reorg.c: Finish deleting half-deleted comment.
611 Wed Feb 10 17:12:21 1999 Jim Wilson <wilson@cygnus.com>
613 * emit-rtl.c (operand_subword): Sign extend REAL_VALUE_TO_TARGET_SINGLE
615 * final.c (split_double): Sign extend REAL_VALUE_TO_TARGET_DOUBLE
617 * real.c (endian): Delete sign extension code.
618 * config/m32r/m32r.md (movsf_insn+1): REAL_VALUE_TO_TARGET_SINGLE call
619 replaced with operand_subword call.
621 Wed Feb 10 15:16:39 1999 Richard Henderson <rth@cygnus.com>
623 * alpha.md (cmov compound patterns): Delete. Jump can now
624 create the correct constructs in the first place.
626 Wed Feb 10 11:03:22 1999 Richard Henderson <rth@cygnus.com>
628 * configure.in (alphaev6*): Fix typo in target_cpu_default2.
630 Wed Feb 10 13:59:18 1999 Dave Brolley <brolley@cygnus.com>
632 * mbchar.c (local_mb_cur_max): Handle the case where MB_CUR_MAX is 0.
634 Wed Feb 10 10:35:05 1999 Jim Wilson <wilson@cygnus.com>
636 * tmp-emsgids.c: Delete.
638 Wed Feb 10 09:57:08 1999 Mark Mitchell <mark@markmitchell.com>
640 * rtlanal.c (for_each_rtx): Fix declaration to conform to GNU
643 Wed Feb 10 10:09:41 1999 Jeffrey A Law (law@cygnus.com)
645 * mn10200.md (bset, bclr): Operand 0 is a read/write operand.
647 * reload1.c (reload_combine_note_store): Second argument is no
648 longer unused/ignored. Handle multi-register hard regs.
649 (move2add_note_store): Simplify.
651 Wed Feb 10 10:05:23 1999 Mumit Khan <khan@xraylith.wisc.edu>
653 * collect2.c (collect_execute): Remove cygwin-specific code.
655 Tue Feb 9 17:27:29 GMT 1999 Nathan Sidwell <nathan@acm.org>
657 * system.h (_, N_): Remove dummy i18n macros.
658 * protoize.c: Move inclusion of intl.h to after system.h.
659 * cexp.y: Include intl.h.
662 Tue Feb 9 16:52:22 1999 Mumit Khan <khan@xraylith.wisc.edu>
664 * i386/cygwin.h (SUBTARGET_OVERRIDE_OPTIONS): New macro to ignore
665 fpic/fPIC for windows32 targets.
666 * i386/xm-cygwin.h (GET_ENV_PATH_LIST): Replace '\\' in windows32
668 * i386/mingw32.h (CPP_SPEC): Define.
669 (CPP_PREDEFINES): Add MINGW32 version id.
670 * i386/crtdll.h (CPP_PREDEFINES): Likewise.
672 * Makefile.in (collect2$(exeext)): Delete redundant dependency and
673 add missing exeext to target.
675 * gcc.c (convert_filename): Handle null filename argument.
677 Wed Feb 10 15:46:10 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
679 * config/c4x/c4x.md (*movhf_noclobber, *movhi_noclobber): Use
680 m constraint instead of QT.
682 1999-02-09 Brendan Kehoe <brendan@cygnus.com>
684 * cpplib.c (special_symbol): Move IP to be declared in function
685 scope, rather than individual case statements.
687 1999-02-09 16:42 -0500 Zack Weinberg <zack@rabi.columbia.edu>
689 * cppfiles.c (finclude): Handle pipes properly under old BSD
692 1999-02-09 16:42 -0500 Melissa O'Neill <oneill@cs.sfu.ca>
694 * system.h: Provide fallback definitions for S_ISCHR,
695 S_ISSOCK, S_ISFIFO, O_NONBLOCK, and O_NOCTTY.
697 1999-02-09 10:30 -0500 Zack Weinberg <zack@rabi.columbia.edu>
699 * cpplib.c (do_define): Allow redefining __STDC__ with -D.
701 1999-02-09 Jim Blandy <jimb@zwingli.cygnus.com>
703 * configure.in: For PowerPC configurations, accept "401", "ec603e",
704 "740", and "750" as valid arguments to --with-cpu.
705 * configure: Rebuilt.
707 Tue Feb 9 00:00:14 1999 Mark Kettenis <kettenis@gnu.org>
709 * configure.in (i[34567]86-*gnu*): Set float_format to i386.
710 * configure: Rebuilt.
712 Mon Feb 8 22:38:24 1999 Jeffrey A Law (law@cygnus.com)
714 * rs6000.md: Revert "alternate use of crs if cr0 not available"
715 patches from 01-22-1999, 01-24-1999, 01-26-1999, and 02-08-1999.
717 Mon Feb 8 21:36:44 1999 Richard Henderson <rth@cygnus.com>
719 * output.h (current_function_has_computed_jump): Rename from
720 current_function_addresses_labels.
721 * function.h (struct function): Likewise for addresses_labels member.
722 * rtl.h (FUNCTION_FLAGS_HAS_COMPUTED_JUMP): Likewise.
723 * function.c (current_function_has_computed_jump): Likewise.
724 Update all references.
725 * integrate.c (function_cannot_inline_p):
726 Test current_function_has_computed_jump instead of addresses_labels.
727 (initialize_for_inline): Likewise save.
728 (output_inline_function): Likewise restore.
730 * expr.c (expand_expr): Don't reference addresses_labels variables.
731 * stmt.c (expand_computed_goto): Set has_computed_jump.
733 1999-02-08 Michael Meissner <meissner@cygnus.com>
735 This is being installed only to get it into the repository to help
736 with the revert, resubmit & review process for the massive rs6000.md
738 * rs6000.md (andsi3_internal1 splitter): Don't split if using the
740 (anddi3_internal1): Ditto.
741 (andsi3_internal{2,3}): Correct some insn lengths.
742 (anddi3*): Restore missing TARGET_POWERPC64, and don't emit old
745 Mon Feb 8 21:31:06 1999 Richard Henderson <rth@cygnus.com>
747 * loop.c (reg_single_usage): New file-scope variable ...
748 (scan_loop): ... moved out of here. Always initialize.
749 Test loop_has_call instead of reg_single_usage not zero.
750 Free reg_single_usage after strength reduction.
751 (count_loop_regs_set): Assume single_usage non-zero.
752 (combine_givs_used_by_other): Test reg_single_usage.
753 (load_mems_and_recount_loop_regs_set): Remove reg_single_usage
754 as a parameter. Assume non-zero.
756 1999-02-08 23:25 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
758 * cpplib.c (special_symbol): Rewrite. Don't copy things
759 multiple times. Handle __STDC__ specially. T_CONST
760 indicates a constant /string/. Don't handle T_*_TYPE and
761 T_SPEC_DEFINED. Use cpp_buf_line_and_col instead of
762 adjust_position. Determine the file buffer only if needed.
763 (initialize_builtins): Handle __SIZE_TYPE__,
764 __PTRDIFF_TYPE__, __WCHAR_TYPE__, __USER_LABEL_PREFIX__, and
765 __REGISTER_PREFIX__ with T_CONST special hashtab entries.
766 Don't provide __OBJC__; the driver does that. Provide
767 __STDC_VERSION__, using T_CONST. Use T_STDC for
768 __STDC__. Give install the length of all symbols defined.
769 (eval_if_expression): Drop code to insert and remove the
770 "defined" special symbol.
772 * cpplib.h: Remove SELF_DIR_DUMMY (no longer used). Remove
773 T_*_TYPE and T_SPEC_DEFINED from enum node_type; add T_STDC.
775 * cpphash.c (install): Drop the `ivalue' parameter. Constify
776 the `value' parameter. All callers changed.
777 * cpphash.h (install): Change prototype to match.
778 (union hashval): Remove `ival' member.
779 * cppexp.c (cpp_lex): Handle `defined' here.
781 Mon Feb 8 17:29:42 1999 Jeffrey A Law (law@cygnus.com)
783 * pa.h (EXTRA_CONSTRAINT): Fix comment.
785 Mon Feb 8 18:57:45 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
787 * c-typeck.c (check_init_type_bitfields): Use nonincremental
788 initialization of unions whose first member is a bitfield.
789 Remove unnecessary code for checking the declaration mode
790 after DECL_C_BIT_FIELD.
792 * varasm.c (output_constructor): Additional comment about the
793 constructor of bitfield union initialization.
795 Tue Feb 9 11:55:04 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
797 * config/c4x/c4x.md (*movhi_stik): New pattern.
798 (movhi): Allow some immediate constants to be directly
801 Tue Feb 9 11:34:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
803 * config/c4x/c4x.md (all call patterns): Add constraints "Ur".
804 (call, call_value): Force address into a register if not valid
805 for a call instruction.
806 (load_immed_address): Emit a USE of the SYMBOL_REF that is
808 * config/c4x/c4x.c (c4x_print_operand): Fix 'C' and 'U' modifiers.
810 Tue Feb 9 11:08:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
812 * config/c4x/c4x.c (call_address_operand, symbolic_address_operand):
813 Rename from call_operand and symbolic_operand respectively. All
815 * config/c4x/c4x.md (call_address_operand, symbolic_address_operand):
817 * config/c4x/c4x.h (call_address_operand, symbolic_address_operand):
819 (PREDICATE_CODES): Allow CONST, LABEL_REF for call_address_operand.
821 Tue Feb 9 10:52:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
823 * config/c4x/c4x.c (c4x_legitimize_address): Don't generate a
824 LO_SUM address for HImode or HFmode but instead force address into
825 a register so that it is offsettable.
826 (c4x_emit_move_sequence): Handle LO_SUM immediate address.
828 Tue Feb 9 10:46:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
830 * config/c4x/c4x.c (c4x_address_cost): Return cost of 1 for
831 REG+REG addressing if strength reduction enabled.
833 Tue Feb 9 10:10:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
835 * config/c4x/t-c4x (LIBGCC2_CFLAGS): Delete.
836 (TARGET_LIBGCC2_CFLAGS): Define.
838 1999-02-08 Nick Clifton <nickc@cygnus.com>
840 * config/v850/v850.md: Replace \\n\\t with \\;
842 * config/v850/v850.md: Enforce TARGET_LONG_CALLS option.
843 * config/v850/v850.c (construct_restore_jr, construct_save_jarl):
844 Enforce TARGET_LONG_CALLS option.
846 Mon Feb 8 11:43:07 1999 Donn Terry <donn@interix.com>
848 * real.c (PUT_REAL) [XFmode]: Zero the balance of the structure.
850 Mon Feb 8 11:37:24 1999 Marc Espie (espie@cvs.openbsd.org)
852 * m88k/t-luna-gas: Remove bash dependency.
854 Mon Feb 8 11:34:44 1999 Graham <grahams@rcp.co.uk>
856 * collect2.c (xrealloc): Fix typo in last change.
858 Mon Feb 8 09:13:38 PST 1999 Jeff Law (law@cygnus.com)
860 * version.c: Bump for snapshot.
862 Sun Feb 7 22:18:42 1999 Robert Lipe <robertlipe@usa.net>
864 * tree.h (TYPE_CHECK): Make it clear to the preprocessor
865 that we do not want macro replacement within a character constant.
866 (TYPE_CHECK1): Likewise.
868 Sun Feb 7 15:37:10 1999 Jason Merrill <jason@yorick.cygnus.com>
870 * tree.h (DECL_P): New macro.
872 Sun Feb 7 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
874 * version.c: Bump for snapshot.
876 Sat Feb 6 18:14:46 1999 Jeffrey A Law (law@cygnus.com)
878 * mn10300.md (reload_insi): Do not earlyclobber the output operand.
880 * README.g77, gcc.c, gcc.texi: Update email addresses.
881 * invoke.texi system.h: Likewise.
883 Sat Feb 6 11:04:08 1999 Jim Wilson <wilson@cygnus.com>
885 * unroll.c (find_splittable_givs): After express_from, call replace_rtx
886 to convert dest_reg to new_reg.
888 Sat Feb 6 10:31:35 1999 Jeffrey A Law (law@cygnus.com)
890 * reload1.c (reload_combine_note_store): Be more careful with
891 STRICT_LOW_PART, ZERO_EXTRACT and SIGN_EXTRACT.
892 (move2add_note_store): Likewise.
894 Sat Feb 6 10:18:01 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
896 * cppfiles.c (read_and_prescan): Cast the result of `xrealloc' to
897 U_CHAR* when assigning to one. Ensure the values of a ?: operator
900 * cppinit.c (initialize_char_syntax): Use K&R function definition.
902 Sat Feb 6 11:17:03 1999 Richard Earnshaw <rearnsha@arm.com>
905 * config/arm/arm.c (all_procs): Add arm9 and arm9tdmi.
906 * config/arm/arm.h ((TARGET_CPU_arm9, TARGET_CPUD_arm9tdmi): Define.
907 (TARGET_CPU_DEFAULT): Rework to support ARM9.
908 (CPP_CPU_ARCH_SPEC): Likewise.
909 (enum processor_type): Likewise.
910 * config/arm/arm.md (attr cpu): Add arm9.
912 General scheduling changes
913 * config/arm/arm.c (MAX_INSNS_SKIPPED): Delete.
914 (max_insns_skipped): New variable.
915 (arm_override_options): If generating hard floating point code for
916 the FPA, emit code for version 3.
917 When optimizing for space, don't synthesize constants.
918 Reword several flags based on the requested processor and optimization
920 (use_return_insn): New argument iscond, all callers changed. Don't
921 use a return insn if it will be conditional and that would be
922 expensive; eg on StrongARM.
923 (arm_adjust_cost): Anti- and output- dependencies normally have no
925 (load_multiple_sequence): Newer ARMs don't benefit from ldm if
926 the sequence is short.
927 (final_prescan_insn): Use max_insns_skipped instead of
928 MAX_INSNS_SKIPPED. Note whether we will make a return instruction
929 conditional, and aviod this if it would be expensive.
930 * config/arm/arm.md (scheduling attributes and function units):
931 Rewrite to better describe ARM8, 9 and StrongARM.
933 * config/arm/arm.md (*movhi_insn_littleend): Make op0 predicate
935 (*ifcompare_plus_move): Use arm_rhs_operand in place of
936 arm_rhsm_operand. Rework constraints.
937 (*if_plus_move): Likewise.
938 (*ifcompare_move_plus): Likewise.
939 (*if_move_plus): Likewise.
940 (*ifcompre_arith_move): Likewise.
941 (*if_arith_move): Likewise.
942 (*ifcompare_move_arith): Likewise.
943 (*if_move_arith): Likewise.
945 * config/arm/xm-netbsd.h: Don't include arm/xm-arm.h.
947 1999-02-05 Michael Meissner <meissner@cygnus.com>
949 * loop.c (check_dbra_loop): A store using an address giv for which
950 we have no life information is not reversible.
952 Fri Feb 5 17:08:01 1999 Dave Brolley <brolley@cygnus.com>
954 * function.c (fixup_var_refs): Scan catch_clauses too.
956 Fri Feb 5 11:49:49 1999 Benjamin Kosnik <bkoz@loony.cygnus.com>
958 * c-common.c (decl_attributes): Fix reserved space for init_priority.
959 * tree.h (MAX_RESERVED_INIT_PRIORITY): New macro.
961 Fri Feb 5 12:37:05 1999 Jeffrey A Law (law@cygnus.com)
963 * loop.c (strength_reduce): Clear not_every_iteration when
964 passing the NOTE_INSN_LOOP_CONT note.
966 * haifa-sched.c (add_dependence): Do not add a dependency on a
969 Fri Feb 5 10:55:43 1999 Nick Clifton <nickc@cygnus.com>
971 * recog.c (split_block_insns): Only call update_flow_info if
972 instruction scheduling is enabled.
974 1999-02-05 11:22 -0500 Zack Weinberg <zack@rabi.columbia.edu>
976 * Makefile.in (gen-protos): Use libcpp.a like everyone else.
978 Fri Feb 5 07:09:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
980 * loop.c (first_loop_store_insn): New file-scope variable.
981 (prescan_loop): Set it.
982 (check_dbra_loop): Check if a store depends on a register
983 that is set after the store.
985 Fri Feb 5 06:55:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
987 * unroll.c (entire file): Remove tabs / spaces at end of lines.
988 Replace spaces with tabs where appropriate.
990 Thu Feb 4 15:12:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
992 * loop.c (scan_loop): New argument loop_cont. Changed caller.
993 (strength_reduce): New argument loop_cont. Changed caller.
994 Before clearing not_every_iteration after a label, check if
995 we are not already past LOOP_CONT.
997 1999-02-04 16:04 -0500 Zack Weinberg <zack@rabi.columbia.edu>
999 * cpperror.c (cpp_print_containing_files): Fix formatting
1000 bug induced by merge.
1002 1999-02-04 14:33 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1004 * cpplib.c (initialize_char_syntax): Move to cppinit.c.
1005 (cpp_define): Remove redundant syntax checks.
1006 (make_assertion): Rename cpp_assert, remove redundant syntax
1008 (cpp_options_init): Don't init things to zero twice.
1009 (cpp_expand_to_buffer): Use memcpy, not a char-by-char loop.
1010 (do_include): Kill excessively verbose #import warning that
1011 snuck back in in the gcc2 merge.
1012 (convert_string): Removed.
1013 (do_line): Rewrite with simple last-name-used cache instead of
1015 (cpp_start_read): Call initialize_char_syntax here, not...
1016 (cpp_reader_init): ...here.
1017 (cpp_handle_options): Support the -std switch.
1018 * cpplib.h (cpp_buffer): Add last_nominal_fname member.
1019 (cpp_options): Add c9x flag.
1020 Declare all the is_* tables and trigraph table here, as const.
1021 Prototype cpp_assert and initialize_char_syntax.
1022 * cppinit.c: New file.
1023 * cppfiles.c (read_and_prescan): Optimize.
1024 * Makefile.in (LIBCPP_OBJS): Add cppinit.o.
1026 Thu Feb 4 10:46:30 1999 Gavin Romig-Koch <gavin@cygnus.com>
1028 * config/mips/mips.md ([u]divmodsi4,[u]divmoddi4,[u]divsi3,[u]divdi3,
1029 [u]modsi3,[u]moddi3) : Don't copy the "zero" argument to a register
1030 before calling gen_div_trap.
1032 Wed Feb 3 21:56:27 1999 Jeffrey A Law (law@cygnus.com)
1034 * configure.in (hppa1.1-*-*, hppa2*-*): Use symbolic value rather
1035 than numeric value for target_cpu_default..
1036 * configure: Rebuilt.
1038 Wed Feb 3 21:55:56 1999 Marc Espie <Marc.Espie@liafa.jussieu.fr>
1040 * Makefile.in (xgcc$(exeext)): Remove choose-temp, pexecute and
1041 mkstemp. Get them from libiberty.
1042 (COLLECT2_OBJS): Similarly for choose-temp, cplus-dem and mkstemp.
1043 (PROTO_OBJS): Similarly for choose-temp, getopt, getopt1 and pexecute.
1044 (cplus-dem.o, pexecute.o, choose-temp.o): Remove build rules.
1045 (mkstemp.o, getopt1.o, getopt.o): Likewise.
1047 * pa-gas.h (TARGET_DEFAULT): Use symbolic values rather than numeric
1049 * pa-hpux.h (LINK_SPEC): Likewise.
1050 * pa-hpux10.h (LINK_SPEC): Likewise.
1051 * pa-hpux9.h (LINK_SPEC): Likewise.
1052 * pa-osf.h: (LINK_SPEC): Likewise.
1053 * pa-pro.h (TARGET_DEFAULT): Likewise.
1054 * pa1.h (TARGET_DEFAULT): Likewise.
1055 * pa.h (MASK_*): New defines.
1056 (TARGET_*): Use symbolic values rather than numeric values.
1057 (TARGET_SWITCHES): Likewise.
1058 (TARGET_DEFAULT): likewise.
1059 (CPP_SPEC): likewise.
1061 Wed Feb 3 21:07:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1063 * reload1.c (reload_cse_regs_1): Undo Jan 16 patch.
1064 * reload.c (find_reusable_reload): New function, broken out of
1065 push_reload. Add code to verify that none of the involved
1066 outputs are subject to earlyclobbers.
1067 (push_reload): Break out new function find_reusable_reload.
1068 Delete "register" keyword for IN, OUT args.
1070 Wed Feb 3 15:51:04 1999 Gavin Romig-Koch <gavin@cygnus.com>
1072 * config/mips/mips.c (true_reg_or_0_operand) : New function.
1073 * config/mips/mips.h (PREDICATE_CODES): Add true_reg_or_0_operand.
1074 * config/mips/mips.md (div_trap,div_trap_normal,div_trap_mips16):
1075 Use true_reg_or_0_operand for div_trap.
1077 Wed Feb 3 20:44:59 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1079 * loop.h (express_from): Declare.
1080 (struct induction): Replace derived flag with derived_from pointer.
1081 * loop.c (strength_reduce, record_giv, recombine_givs): Likewise.
1082 (express_from): No longer static.
1083 * unroll.c (find_splittable_givs): Replace derived with derived_from.
1084 When processing an address giv with which another giv has been
1085 combined that has also been derived from a third giv, handle like
1086 having combined with the third giv.
1087 Set splittable_regs_updates appropriately for derived givs.
1089 Wed Feb 3 15:26:58 1999 Gavin Romig-Koch <gavin@cygnus.com>
1091 * config/mips/mips.md (div_trap_mips16): Remove nop's after branches.
1093 Wed Feb 3 11:56:23 1999 Jeffrey A Law (law@cygnus.com)
1095 * pa.c (insn_sets_and_refs_are_delayed): New function.
1096 * pa.h (INSN_SETS_ARE_DELAYED): Use it.
1097 (INSN_REFERENCES_ARE_DELAYED): Likewise.
1099 Wed Feb 3 06:24:49 1999 Richard Earnshaw (rearnsha@arm.com)
1101 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Delete.
1102 * config/arm/t-linux (LIBGCC2_CFLAGS): Delete.
1103 (TARGET_LIBGCC2_CFLAGS): Define.
1104 (LIBGCC2_DEBUG_CFLAGS): Define.
1105 * config/arm/t-netbsd: Likewise.
1106 * config/arm/t-semi: Likewise.
1107 * config/arm/t-semiaof: Likewise.
1108 * config/arm/t-riscix: Likewise.
1110 Wed Feb 3 10:59:07 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
1112 * config/m68k/m68k.c (print_operand_address): When printing a
1113 SYMBOL_REF that ends in `.<letter>' put parentheses around it.
1115 Tue Feb 2 23:38:35 1999 David O'Brien <obrien@FreeBSD.org>
1117 * i386/freebsd*.h now allows '$' in label names and does not use the
1118 PCC struct return method.
1120 Tue Feb 2 22:38:23 1999 Jim Wilson <wilson@cygnus.com>
1122 * Makefile.in: Change all uses of AR to AR_FOR_TARGET. Change all uses
1123 of HOST_AR to AR. Likewise for AR_FLAGS, RANLIB, and RANLIB_TEST.
1124 (RANLIB_TEST): Test to see if ranlib exists. Only test absolute file
1125 names if host == target.
1126 (HOST_AR, HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Delete.
1127 (AR_FLAGS_FOR_TARGET): Renamed from AR_FOR_TARGET_FLAGS.
1128 (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST): Delete rules
1129 setting them to *_FOR_TARGET.
1130 * cross-make (AR, AR_FLAGS, OLDAR, OLDAR_FLAGS, RANLIB, RANLIB_TEST):
1133 Tue Feb 2 22:38:19 1999 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1135 * toplev.h (read_integral_parameter): Declare.
1136 * toplev.c (read_integral_parameter): New function.
1138 Fri Jan 29 21:00:56 1999 Bob Manson <manson@charmed.cygnus.com>
1140 * resource.c, resource.h: New files.
1141 * Makefile.in (OBJS): Add it.
1143 * haifa-sched.c (regno_use_in): Moved to rtlanal.c.
1144 (split_block_insns): Moved to recog.c.
1145 (update_flow_info): Make public.
1146 * rtl.h: Declare them.
1148 * reorg.c: Moved the functions dealing with computing resource
1149 usage to resource.c.
1151 * sched.c (regno_use_in): Moved to rtlanal.c.
1152 (update_flow_info): Make public.
1153 (schedule_insns): Use split_block_insns.
1155 * recog.c (split_block_insns): New function.
1157 Tue Feb 2 22:03:26 1999 David Edelsohn <edelsohn@mhpcc.edu>
1159 * rs6000/linux.h (LINK_START_DEFAULT_SPEC): Delete, unused.
1160 (LINK_OS_DEFAULT_SPEC): Delete, unused.
1162 Tue Feb 2 20:29:34 1999 Catherine Moore <clm@cygnus.com>
1164 * configure.in (arm-*-oabi): Support.
1165 * configure: Regenerate.
1166 * config/arm/unknown-elf-oabi.h: New file.
1168 Tue Feb 2 19:43:59 1999 Jeffrey A Law (law@cygnus.com)
1170 * i386.md (ashlsi3): Turn into a define_expand an anonymous pattern.
1171 Make the anonymous pattern match when ! optimize_size.
1172 (ashlsi3 size optimizer): New pattern.
1174 * intl/Makefile.in (uninstall): Add missing "; \".
1176 Tue Feb 2 18:21:23 1999 Stan Cox <scox@cygnus.com>
1178 * sparc.h (TARGET_CPU_sparc86x): Added. TARGET_CPU_sparclite86x
1181 Tue Feb 2 20:24:11 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1183 * loop.c (loop_optimize): Fix value max_uid_for_loop is reset
1184 to after find_and_verify_loops call.
1186 Tue Feb 2 19:48:29 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1188 * (recombine_givs): Don't use a giv that's likely to be dead to
1191 * loop.c (recombine_givs): Fix test for lifetime overlaps / loop
1192 wrap around when deriving givs.
1194 Mon Feb 1 20:00:40 1999 Richard Henderson <rth@cygnus.com>
1196 * recog.c (check_asm_operands): Treat indeterminate operand ok
1197 results as success. Try harder to resolve a matching constraint.
1198 * stmt.c (expand_asm_operands): Recognize when an output operand's
1199 constraint does not allow memory. Treat indeterminate operand ok
1200 results as failure. Try harder to resolve a matching constraint.
1202 Mon Feb 1 15:00:02 1999 Ken Raeburn <raeburn@cygnus.com>
1204 Use varrays for constant-equivalence data:
1206 * varray.h (struct const_equiv_data): New type.
1207 (union varray_data_tag): New element const_equiv.
1208 (VARRAY_CONST_EQUIV_INIT, VARRAY_CONST_EQUIV): New macros.
1209 (VARRAY_SIZE): New macro, returns number of elements.
1210 * integrate.h: Include varray.h.
1211 (struct inline_remap): Replace const_equiv_map, const_age_map and
1212 const_equiv_map_size with a const_equiv_varray element.
1213 (MAYBE_EXTEND_CONST_EQUIV_VARRAY): New macro; grows varray if
1215 (SET_CONST_EQUIV_DATA): New macro; sets rtx and age fields
1216 simultaneously, growing the varray if needed.
1218 * integrate.c (global_const_equiv_map,
1219 global_const_equiv_map_size): Deleted, replaced by....
1220 (global_const_equiv_varray): New variable.
1221 (expand_inline_function): References changed.
1222 * integrate.h: Update declarations.
1224 * integrate.c (process_reg_parm, expand_inline_function,
1225 copy_rtx_and_substitute, try_constants, subst_constants,
1226 mark_stores): Use varray allocation and accessor macros, new
1227 integrate.h macros, and global_const_equiv_varray. Don't
1228 conditionalize non-NULL stores on array size; instead, expand the
1230 * unroll.c (unroll_loop): Likewise.
1232 * unroll.c (unroll_loop): Initialize const_equiv_varray element to
1233 zero. After allocating varray, always exit through bottom of
1234 function, where it can be deallocated if needed. Don't explicitly
1235 reallocate const_equiv_map storage; instead, just ensure the
1236 varray has been initialized, and update the global reference.
1238 Mon Feb 1 09:40:25 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1240 * system.h (inline, const): Handle these for stage2 (and later) gcc.
1242 * dwarf2out.c (inline): Don't define.
1244 * dwarfout.c (inline): Likewise.
1246 Sun Jan 31 22:04:37 1999 Richard Henderson <rth@cygnus.com>
1248 * loop.c (recombine_givs): Dump recombination and derivation data.
1250 Sun Jan 31 20:34:29 1999 Zack Weinberg <zack@rabi.columbia.edu>
1252 * flags.h: Declare flag_no_ident.
1253 * toplev.c: Define flag_no_ident. Process -f(no-)ident here.
1254 * c-tree.h: Don't declare flag_no_ident.
1255 * c-decl.c: Don't define flag_no_ident. Don't process
1256 -f(no-)ident switches here.
1258 * config/elfos.h (ASM_FILE_END): Output final .ident directive
1259 only if !flag_no_ident.
1260 * config/ptx4.h: Likewise.
1261 * config/svr4.h: Likewise.
1262 * config/alpha/elf.h: Likewise.
1263 * config/arm/linux-elf.h: Likewise.
1264 * config/i386/sco5.h: Likewise.
1265 * config/i860/fx2800.h: Likewise.
1266 * config/mips/gnu.h: Likewise.
1267 * config/i386/osfrose.h: Likewise.
1269 * gcc.c (C specs): Map -Qn to -fno-ident.
1270 * objc/lang-specs.h: Likewise.
1272 Mon Feb 1 10:52:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1274 * configure.in: Don't remove loop.o and unroll.o when
1275 enable-haifa is selected.
1276 * configure: Rebuilt.
1278 Sun Jan 31 13:22:02 1999 John Wehle (john@feith.com)
1280 * i386.md (movsicc, movhicc, movsfcc, movdfcc,
1281 movxfcc, movdicc): Delete unconstrained alternatives.
1282 * i386.c (output_fp_conditional_move,
1283 output_int_conditional_move): Delete unused case.
1285 Sun Jan 31 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
1287 * version.c: Bump for snapshot.
1289 Sun Jan 31 00:52:37 1999 Richard Henderson <rth@cygnus.com>
1291 * alpha.md (mov patterns): Emit the assembler aliases mov and fmov
1292 instead of bis and cpys. Combine alternatives where possible.
1294 Sat Jan 30 23:14:13 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1296 * gcov.c (fnotice): Add missing FILE* parameter.
1297 (function_summary): Fix format specifiers in calls to `fnotice'.
1298 (output_data): Likewise.
1300 * toplev.c (fnotice): Constify char* parameter.
1302 * toplev.h (fnotice): Add prototype.
1303 Wrap prototype with BUFSIZ to protect FILE* usage.
1305 Sun Jan 31 15:33:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1307 * config/c4x/c4x.h (RTX_COSTS): Explicitly define c4x costs.
1309 Sat Jan 30 08:27:23 1999 Jeffrey A Law (law@cygnus.com)
1311 * combine.c (distribute_notes): Handle REG_EH_REGION notes.
1313 * alias.c (fixed_scalar_and_varying_struct_p): Add "static" to
1314 function definition.
1315 (aliases_everything_p, write_dependence_p):Likewise.
1317 * install.texi: Fix merge lossages.
1319 * cccp.c (main): Only call setlocale (LC_MESSAGES, ...) if LC_MESSAGES
1321 * collect2.c (main): Likewise.
1322 * cppmain.c (main): Likewise.
1323 * gcc.c (main): Likewise.
1324 * gcov.c (main): Likewise.
1325 * protoize.c (main): Likewise.
1326 * toplev.c (main): Likewise.
1328 * pa.md (parallel shift and shiftadd): Mark output of shift as an
1331 * loop.c: Disable recent loop changes. Temporary as Joern
1332 continues to fix problems.
1334 Sat Jan 30 03:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1336 * loop.c (strength_reduce): Size reg_map according to reg_iv_type.
1338 Fri Jan 29 18:26:07 1999 Dave Brolley <brolley@cygnus.com>
1340 * emit-rtl.c (remove_insn): New function.
1341 * rtl.h (remove_insn): Add prototype.
1342 * function.c (reposition_prologue_and_epilogue_notes): Call remove_insn.
1344 Fri Jan 29 22:34:41 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1346 * loop.c (recombine_givs): Don't try to derive givs that have combined.
1348 Fri Jan 29 15:00:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1350 * toplev.c (notice, fnotice): Check ANSI_PROTOTYPES, not __STDC__,
1351 when declaring arguments and calling va_arg() to initialize them.
1353 * collect2.c (notice): Likewise.
1355 * loop.c (find_life_end): Use PROTO() macro in the prototype.
1357 Fri Jan 29 14:36:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1359 * collect2.c (error): Fix typo in declaration.
1361 * cpperror.c (cpp_message): Likewise.
1363 * cpplib.c (cpp_warning): Likewise.
1365 * cpplib.h (cpp_notice): Use PVPROTO not VPROTO, also add
1368 * toplev.c (error): Fix typo in declaration.
1370 Fri Jan 29 15:44:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1372 * loop.c (strength_reduce): Fix HAVE_cc0 handling when scanning
1373 forward from cont dominator.
1375 Fri Jan 29 07:10:27 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1377 * cccp.c (eprint_string): Constify a char*.
1378 (notice): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
1379 (vnotice): Constify a char*.
1380 (error): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
1381 (verror): Constify a char*.
1382 (warning): Likewise. Use PVPROTO not VPROTO, add ATTRIBUTE_PRINTF_1.
1383 (vwarning): Constify a char*.
1384 (error_with_line): Likewise. Use PVPROTO not VPROTO, add
1386 (verror_with_line): Constify a char*.
1387 (vwarning_with_line): Likewise.
1388 (warning_with_line): Likewise. Use PVPROTO not VPROTO, add
1390 (pedwarn): Constify a char*. Use PVPROTO not VPROTO, add
1392 (pedwarn_with_line): Likewise with ATTRIBUTE_PRINTF_2.
1393 (pedwarn_with_file_and_line): Likewise with ATTRIBUTE_PRINTF_4.
1394 Also correct typo in parameter name declaration.
1395 (make_assertion): Constify a char*.
1396 (quote_string_for_make): Likewise.
1397 (deps_output): Likewise.
1398 (fatal): Likewise. Use PVPROTO not VPROTO, add
1399 ATTRIBUTE_PRINTF_1. Use ATTRIBUTE_NORETURN not an explicit
1400 "__attribute__ ((noreturn))".
1401 (fancy_abort): Likewise for ATTRIBUTE_NORETURN.
1402 (pfatal_with_name): Likewise.
1403 (pipe_closed): Likewise.
1404 (memory_full): Likewise.
1406 Fri Jan 29 00:14:55 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1408 * loop.c (strength_reduce): Grow set_in_loop / n_times_set /
1409 may_not_optimize to proper size when converting biv increments
1411 If necessary, reallocate reg_iv_type / reg_iv_info before calling
1414 Thu Jan 28 23:24:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1416 * loop.c (recombine_givs): New parameter unroll_p. If set, don't
1417 generate complex adds. Changed caller.
1418 Don't generate adds that cost more than the original one.
1419 (strength_reduce): Warning fixes.
1421 Thu Jan 28 09:41:11 1999 Jeffrey A Law (law@cygnus.com)
1423 * configure.in (hppa1.0-hp-hpux10*): Use t-pa.
1424 * configure: Rebuilt.
1426 Wed Jan 27 23:39:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1428 * rtl.h (insn_first_p, no_jumps_between_p): Declare.
1429 * rtlanal.c (insn_first_p, no_jumps_between_p): New function.
1430 * loop.h (varray.h): Include.
1431 (struct induction): Change combined_with to unsigned.
1432 New members derived, ix and last_use.
1433 (reg_iv_type, reg_iv_info): Now varray_type. All references changed.
1434 (REG_IV_TYPE, REG_IV_INFO): Define.
1435 (first_increment_giv, last_increment_giv): Declare.
1436 * loop.c (loop_number_loop_cont): New static variable.
1437 (loop_number_cont_dominator): Likewise.
1438 (reg_iv_type, reg_iv_info): Now varray_type.
1439 (first_increment_giv, last_increment_giv): New variables.
1440 (compute_luids, verify_dominator, find_life_end): New functions.
1441 (cmp_recombine_givs_stats, recombine_givs): Likewise.
1442 (loop_optimize): Allocate loop_number_loop_cont and
1443 loop_number_cont_dominator. Use compute_luids.
1444 (find_and_verify_loops): Initialize loop_number_loop_cont and
1445 loop_number_cont_dominator.
1446 (strength_reduce): Try to find bivs that can be expressed as givs
1447 of another biv, and to convert biv increments into givs.
1448 Call recombine_givs. Handle derived givs.
1449 (record_biv): New argument location. All callers changed.
1450 (record_giv): Initialize derived and last_use fields.
1451 (basic_induction_var): New argument location. All callers changed.
1452 (combine_givs): Don't combine a DEST_REG giv with a DEST_ADDR giv.
1453 Increment combined_with instead of setting to 1.
1454 * unroll.c (derived_regs): New static variable.
1455 (unroll_loop): Initialize it.
1456 Allocate local_regno according to max_reg_num.
1457 (copy_loop_body): Cope with derived givs.
1458 (find_splittable_givs): Check for Givs made from biv increments.
1459 Set derived_regs for givs.
1460 * Makefile.in (stmt.o, loop.o, unroll.o): Depend on loop.h .
1462 Wed Jan 27 19:31:36 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1464 * function.c (purge_addressof_1): Handle case when a register
1465 has been used in a wider mode.
1467 Wed Jan 27 11:58:18 1999 Dave Brolley <brolley@cygnus.com>
1469 * cpplib.h (cpp_notice): Add prototype.
1471 Wed Jan 27 02:20:48 1999 Jeffrey A Law (law@cygnus.com)
1473 * Merge gcc2 snapshot 19980929.
1475 * cccp.c (PRINTF_PROTO): Remove.
1476 (PRINTF_PROTO_{1,2,3,4}: Likewise.
1478 * system.h: Add PRINTF_PROTO and PRINTF_PROTO_{1,2,3,4}.
1480 * fix-header.c (cpp_file_lin_for_message): Delete. In libcpp.
1481 (cpp_print_containing_files, v_cpp_message, cpp_message): Likewise.
1482 (cpp_fatal, cpp-Pfatal_with_name): Likewise.
1484 * gen-protos.c (hashf): Delete in cpphash.o
1485 * gen-protos.c (hashf): Delete in cpphash.o
1487 * expr.c: Do not merge SAVE_STACKAREA_MODE changes.
1488 * expmed.c: Likewise.
1489 * rs6000.md: Likewise.
1491 * rs6000.c, rs6000.md: Do not merge formatting changes yet.
1493 Wed Jan 27 01:13:42 1999 Richard Henderson <rth@cygnus.com>
1495 * rs6000.c (input_operand): Don't expect CONST around CONSTANT_P_RTX.
1496 * rs6000.md (movsi, movdi): Likewise.
1498 Tue Jan 26 13:31:38 1999 Jim Wilson <wilson@cygnus.com>
1500 * function.c (expand_function_end): Pass arg_pointer_save_area to
1501 validize_mem before using it. Emit code into a sequence.
1503 Tue Jan 26 13:41:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
1505 * rs6000.md (doz + set cr and or + set cr patterns): Add missing
1506 '#' to split patterns. Correct indentation of some new patterns.
1508 1999-01-26 12:11 -0500 Zack Weinberg <zack@midnite.ec.rhno.columbia.edu>
1510 * cppfiles.c (safe_read): Deleted.
1511 (read_and_prescan): New function, replaces safe_read, converts
1512 and/or warns about trigraphs, silently converts odd line
1513 terminators (\r, \n\r, \r\n). Warns about no newline at EOF.
1514 (finclude): Use read_and_prescan; turn off nonblocking mode on
1515 the input descriptor; remove file-size-examination and
1516 no-newline-at-EOF gunk which is longer necessary; be more
1517 careful about checking that we've been handed a legitimate
1518 file to read (only real files, pipes, and ttys are acceptable).
1519 * cpplib.h (cpp_options): Rename no_trigraphs flag to
1520 `trigraphs' and invert its sense.
1521 (trigraph_table): Declare.
1522 (cpp_warning_with_line): Prototype.
1523 * cpplib.c: Remove all references to trigraph_pcp. Define
1524 trigraph_table; initialize it in initialize_char_syntax. Open
1525 files in nonblocking mode. s/no_trigraphs/trigraphs/
1526 throughout, and invert sense. Put cpp_warning_with_line back
1529 Tue Jan 26 23:21:49 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1531 * config/c4x/c4x.h (COUNTER_REGS): New register class.
1532 * config/c4x/c4x.md (*rptb_init): Change constraints.
1533 (rptb_end): Emit alternate looping instructions if
1534 RC register not allocated for loop counter.
1535 (decrement_and_branch_on_count): Allow other registers
1538 1999-01-25 14:26 -0500 Zack Weinberg <zack@rabi.columbia.edu>
1540 * cppexp.c (struct arglist): Removed.
1541 (parse_number): Use HOST_WIDE_INT for the accumulator.
1542 Allow two `l' suffixes unless C89. Clean up. Make static.
1543 (parse_charconst): New function broken out of cpp_lex.
1544 Code cleaned up drastically. Don't use a token_buffer.
1545 (token_buffer): Removed.
1546 (cpp_lex): Don't call parse_number on a constant string.
1547 Use parse_charconst.
1548 (cpp_parse_expr): Properly handle an ERROR op returned by
1551 1999-01-25 14:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
1553 * cpplib.c: Don't include signal.h, sys/times.h, or
1554 sys/resource.h. Don't declare localtime.
1555 (macroexpand): Handle special symbols here.
1556 (push_macro_expansion): Chop off the trailing '@ ' if possible
1558 (cpp_get_token): Don't do either of the above two things here.
1559 Move `string' label just after case '"' so that wide strings
1560 don't crash the preprocessor.
1562 Sun Jan 24 20:13:45 1999 David Edelsohn <edelsohn@mhpcc.edu>
1564 * rs6000.md (left shift + set cr patterns): Add missing '#' to
1566 (move register + set cr pattern): Ditto.
1567 (movdi, !TARGET_POWERPC64 splitters): Add back in Jan. 15th patch,
1568 inadvertently deleted.
1570 Sun Jan 24 08:07:59 1999 Jeffrey A Law (law@cygnus.com)
1572 * stmt.c (stmt_loop_nest_empty): New function.
1573 * tree.h (stmt_loop_nest_empty): Declare it.
1574 * rtl.def (CALL_PLACEHOLDER): New rtx code.
1576 Sun Jan 24 21:24:43 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1578 * config/c4x/c4x.c (c4x_emit_move_sequence, c4x_encode_section_info):
1580 (c4x_check_legit_addr): Remove USE and PLUS, allow
1581 LO_SUM, and disable SYMBOL_REF, LABEL_REF, and CONST cases.
1582 (c4x_legitimize_address): Penalise SYMBOL_REF, LABEL_REF, and
1583 CONST cases. Add LO_SUM.
1584 (c4x_print_operand): Modified 'C' and 'R' cases for calls.
1585 Added 'U' case. Remove dependence on SYMBOL_REF_FLAG.
1586 (c4x_print_operand_address): Handle LO_SUM.
1587 (c4x_scan_for_ldp): Delete. Hooray!
1588 (c4x_process_after_reload): Remove call to c4x_scan_for_ldp.
1590 (c4x_immed_int_constant): Renamed from c4x_int_constant. All callers
1592 (c4x_immed_float_constant): Renamed from c4x_float_constant. All
1594 (c4x_T_constraint): Allow LO_SUM, disable SYMBOL_REF, LABEL_REF,
1596 (c4x_U_constraint, symbolic_operand): New functions.
1597 (src_operand): Allow 'I' constants in HImode. Allow LO_SUM,
1598 disable SYMBOL_REF, LABEL_REF, and CONST.
1599 (lsrc_operand, tsrc_operand): Call src_operand instead of
1601 (c4x_operand_subword): Update comments.
1603 * config/c4x/c4x.c (TARGET_LOAD_ADDRESS): New macro.
1604 (LEGITIMATE_CONSTANT_P): Allow SYMBOL_REF, LABEL_REF, CONST,
1605 plus HIGH and LO_SUM for the C40.
1606 (ENCODE_SECTION_INFO): Define macro.
1607 (symbolic_operand, c4x_U_constraint, c4x_emit_move_sequence): New
1609 (PREDICATE_CODES): Add symbolic_operand.
1611 * config/c4x/c4x.md (movqi, movgqf, movhi, movhi): Call
1612 c4x_emit_move_sequence.
1613 (floatunsqiqf2, fixuns_truncqfqi2): Rework emitted RTL
1614 to avoid symbol references.
1615 (all patterns with g constraint): Replace 'g' constraint with 'rIm'.
1616 (set_high): Renamed from set_high_use.
1617 (set_lo_sum): Renamed from set_ior_lo_use.
1618 (all call patterns): Make MEM explicit in call address operands.
1619 Modified output templates to use 'U' modifier.
1621 Sun Jan 24 01:15:05 PST 1999 Jeff Law (law@cygnus.com)
1623 * version.c: Bump for snapshot.
1625 Sat Jan 23 22:34:57 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1627 * final.c (bb_str): Qualify a char* with the keyword `const'.
1628 (add_bb_string, final_scan_insn, output_asm_insn): Likewise.
1630 * fix-header.c (read_scan_file): Likewise.
1632 * genoutput.c (output_epilogue, process_template): Likewise.
1634 * local-alloc.c (requires_inout, block_alloc): Likewise.
1636 * output.h (output_asm_insn, assemble_string): Likewise.
1638 * recog.c (recog_constraints, check_asm_operands,
1639 decode_asm_operands, extract_insn, preprocess_constraints,
1640 constrain_operands): Likewise.
1642 * recog.h (operand_alternative, recog_constraints, insn_template,
1643 insn_outfun, insn_operand_constraint, insn_name): Likewise.
1645 * regclass.c (record_reg_classes, scan_one_insn): Likewise.
1647 * regmove.c (find_matches): Likewise.
1649 * reload.c (alternative_allows_memconst): Likewise.
1651 * reload1.c (constraint_accepts_reg_p,
1652 reload_cse_simplify_operands): Likewise.
1654 * rtl.h (decode_asm_operands): Likewise.
1656 * scan.h (fn_decl): Likewise.
1658 * varasm.c (assemble_string): Likewise.
1660 Sat Jan 23 01:37:36 1999 Jeffrey A Law (law@cygnus.com)
1662 * configure.in (gcc_tooldir): Handle case where exec_prefix has
1663 not been explicitly set.
1664 * configure: Rebuilt.
1666 * fold-const.c (lshift_double): Mark 'prec' arguments as possibly
1669 * bitmap.h (bitmap_head_def): Make indx field unsigned.
1671 * configure.in (gcc_tooldir): When not making a relative gcc_tooldir,
1672 use $exec_prefix/$target_alias for gcc_tooldir.
1673 * configure: Rebuilt.
1675 Fri Jan 22 11:48:56 1999 Richard Henderson <rth@cygnus.com>
1677 * cppp.c (xrealloc): Fix typo last change.
1678 * cppalloc.c, gcc.c, genattr.c, genattrtab.c, gencodes.c: Likewise.
1679 * genconfig.c, genemit.c, genextract.c, genflags.c: Likewise.
1680 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
1682 1999-01-22 Michael Meissner <meissner@cygnus.com>
1684 * rs6000.h (CR0_REGNO_P): New macro to test if cr0.
1685 (CR_REGNO_NOT_CR0_P): New macro to test if cr, but not cr0.
1686 (PREDICATE_CODES): Add cc_reg_not_cr0_operand.
1687 (cc_reg_not_cr0_operand): Add declaration.
1689 * rs6000.c (cc_reg_not_cr0_operand): Return true if register is a
1690 pseudo register, or a control register that is not CR0.
1692 * rs6000.md (all combiner patterns building . instructions): For
1693 all `.' instructions that do something and set cr0, add an
1694 alternative that does the operation, and then sets a different
1695 flag, in order to avoid using the costly mcrf instruction and also
1696 allow cr0 to be clobbered in asm statements. Also fix a few
1697 patterns that used the wrong register.
1699 * rs6000.h (rs6000_cpu_select): Make string, names be const char *.
1700 (rs6000_debug_name): Make const char *, not char *.
1702 * sysv4.h (rs6000_{abi,sdata}_name): Make const char *.
1704 * rs6000.c (rs6000_{debug,abi,sdata}_name): Make const char *.
1705 (rs6000_select): Use const char * in casts.
1707 Fri Jan 22 07:43:01 1999 Jeffrey A Law (law@cygnus.com)
1709 * Makefile.in (gcc_tooldir): Move before first reference.
1710 Let autoconf substitute in a value.
1711 * configure.in (gcc_tooldir): Only use a relative path to the
1712 tool directory if $exec_prefix == $prefix.
1713 * configure: Rebuilt.
1715 * Makefile.in (tooldir): Replace with gcc_tooldir.
1717 Thu Jan 21 23:21:57 1999 Jeffrey A Law (law@cygnus.com)
1719 * m68k.md (ashldi_const): Disable for !TARGET_5200. Fix indention.
1720 (ashldi3 expander): Similarly. Update comments.
1721 (ashrdi_const, lshrdi_const): Fix indention.
1722 (ashrdi3, lshrdi3): FIx indention. Update comments.
1724 Thu Jan 21 21:53:36 1999 Richard Henderson <rth@cygnus.com>
1726 * emit-rtl.c (try_split): Don't try to split non-instructions.
1728 Thu Jan 21 23:47:30 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1730 * expr.c (emit_push_insn): Fix dumb typo.
1732 Thu Jan 21 20:24:02 1999 Richard Henderson <rth@cygnus.com>
1734 * rs6000.h (LEGITIMIZE_RELOAD_ADDRESS): Recognize and accept
1735 transformations that we have performed earlier.
1736 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
1738 * alpha.md (prologue_stack_probe_loop): Don't do our own label
1739 handling, call gen_label_rtx instead.
1741 Thu Jan 21 17:45:18 1999 Richard Henderson <rth@cygnus.com>
1743 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): Add missing `then'.
1745 * cccp.c (xrealloc): Call malloc given a NULL old pointer.
1746 * collect2.c, cppalloc.c, gcc.c, genattr.c, genattrtab.c: Likewise.
1747 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
1748 * genflags.c, genopinit.c, genoutput.c, genpeep.c: Likewise.
1749 * genrecog.c, mips-tfile.c, protoize.c: Likewise.
1751 Thu Jan 21 19:44:55 1999 Michael Meissner <meissner@cygnus.com>
1753 * configure.in ({rs6000|powerpc}-ibm-aix4.[12]*): If
1754 --with-gnu-ld, use x-aix41-gld instead of x-aix41 to suppress
1755 adding -Wl,-bbigtoc to BOOT_LDFLAGS.
1756 * configure: Regenerate.
1758 * config/rs6000/x-aix41-gld: New file, don't set BOOT_LDFLAGS.
1760 Thu Jan 21 15:48:03 1999 Dave Brolley <brolley@cygnus.com>
1762 * cppexp.c (cpp_lex): Allocate token_buffer dynamically.
1764 Thu Jan 21 14:18:04 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
1766 * expr.c (MOVE_BY_PIECES_P): Define condition for deciding to use
1768 (MOVE_MAX_PIECES): Define maximum number of bytes to move at once.
1769 (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT): Define defaults.
1770 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define defaults.
1771 (move_by_pieces): Use new macros.
1772 (emit_block_move): Use new macros.
1773 (clear_by_pieces): Use new macros.
1774 (clear_storage): Use new macros.
1775 (emit_push_insn): Use new macros.
1776 (expand_expr): Use new macros.
1777 * config/sh/sh.h (USE_LOAD_POST_INCREMENT, USE_LOAD_PRE_DECREMENT):
1779 (USE_STORE_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Define.
1780 (MOVE_BY_PIECES_P): Define based on alignment and TARGET_SMALLCODE.
1781 (MOVE_MAX_PIECES): move 8 bytes on SH4.
1782 * tm.texi(MOVE_BY_PIECES_P, MOVE_MAX_PIECES, USE_LOAD_POST_INCREMENT,
1783 USE_LOAD_PRE_DECREMENT, USE_STORE_POST_INCREMENT,
1784 USE_STORE_PRE_DECREMENT): Describe new macros.
1786 Thu Jan 21 14:13:31 1999 Vladimir N. Makarov <vmakarov@cygnus.com>
1788 * varasm.c (output_constant_pool): Use floor_log2 instead of
1789 exact_log2 for ASM_OUTPUT_ALIGN.
1791 * stor-layout.c (layout_type): Do machine-dependent extra alignment.
1793 * emit-rtl.c (operand_subword): Handle case when a subword outside
1796 * tm.texi (ROUND_TYPE_{SIZE,ALIGN}): More accurate descriptions of
1799 Thu Jan 21 01:59:30 1999 Richard Henderson <rth@cygnus.com>
1801 * cse.c (fold_rtx): Revert 29 Dec change.
1802 (cse_insn): Revert 12 Jan change.
1803 * expr.c (expand_builtin): Don't emit CONST around CONSTANT_P_RTX.
1804 * regclass.c (reg_scan_mark_refs): Revert 29 Dec change.
1805 * rtl.def: Likewise.
1806 * rtl.h (CONSTANT_P): Likewise.
1808 * expr.c (emit_move_insn): Never try to flush CONSTANT_P_RTX
1810 * recog.c (immediate_operand): Accept CONSTANT_P_RTX.
1811 * alpha.c (input_operand): Likewise.
1812 * c4x.c (const_operand): Likewise.
1814 * explow.c (allocate_dynamic_stack_space): Use register_operand
1815 instead of arith_operand, which does not exist.
1817 * 1750a.h: Fix comment closure.
1818 * a29k.c (a29k_set_memflags): Fix typo in 19 Jan change.
1819 * arc.md (one_cmplsi2_set_cc_insn): Fix set mode mismatch.
1820 * arm.h (TARGET_SWITCHES): Fix typo.
1821 * i370.md (anon mult and div patterns): Fix set mode mismatch.
1822 * i860.c (output_delayed_branch): Fix operands to constrain_operands.
1823 (output_delay_insn): Likewise.
1824 * m88k.md (anon rotate insns): Fix set mode mismatch.
1825 (anon BLKmode moves): Commonize and fix set mode mismatches.
1826 * ns32k.md (udivmoddi[shq]i4_internal): Fix mode mismatch.
1827 * romp.md (movdf): Fix typo.
1829 Thu Jan 21 00:29:35 1999 Nathan Sidwell <nathan@acm.org>
1831 * Makefile.in (install-common): Remove extraneous chmod for gcov
1834 Wed Jan 20 18:15:08 1999 Dave Brolley <brolley@cygnus.com>
1836 * function.c (assign_parms): Save and restore setting of
1839 Wed Jan 20 12:51:42 1999 Mark Mitchell <mark@markmitchell.com>
1841 * arm.md: Use MEM_COPY_ATTRIBUTES where appropriate throughout.
1842 Pass MEM_SCALAR_P to arm_gen_store_multiple where appropriate.
1844 Tue Jan 19 21:20:52 1999 Richard Henderson <rth@cygnus.com>
1846 * recog.c (pop_operand): New function.
1847 * recog.h (pop_operand): Declare it.
1848 * genrecog.c (preds): Define it.
1850 * expr.c (do_jump_for_compare): Handle conditional branch expanders
1851 emitting multiple jump instructions.
1852 * jump.c (condjump_label): New function.
1853 * rtl.h (condjump_label): Declare it.
1855 Tue Jan 19 21:08:20 1999 Richard Henderson <rth@cygnus.com>
1857 * expr.c (emit_move_insn_1): Revert 17 Dec change. Don't emit
1858 clobber during or after reload.
1860 Tue Jan 19 16:56:03 1999 Richard Henderson <rth@cygnus.com>
1862 * genoutput.c (name_for_index): New function.
1863 (scan_operands, validate_insn_alternatives): Use it.
1864 * genrecog.c (insn_name_ptr_size): New variable.
1865 (make_insn_sequence): Fill in insn_name_ptr.
1866 (merge_trees): Use it.
1868 Tue Jan 19 16:37:36 1999 Richard Henderson <rth@cygnus.com>
1870 * i386/isc.h (TARGET_DEFAULT): Define symbolicly.
1871 * i386/isccoff.h, i386/next.h, i386/sco.h, i386/sco5.h: Likewise.
1872 * i386/scodbx.h, i386/sequent.h, i386.unix.h: Likewise.
1874 Tue Jan 19 15:00:10 1999 Jeffrey A Law (law@cygnus.com)
1876 * loop.c (NUM_STORES): Delete.
1877 (loop_store_mems): Turn into an EXPR_LIST of MEMs.
1878 (prescan_loop): Properly initialize loop_mems_idx.
1879 (note_addr_stored): Simplify using list structure instead of
1881 (invariant_p, check_dbra_loop, load_mems): Similarly.
1883 * flow.c (invalidate_from_autoinc): New function.
1884 (mark_set_1, mark_used_regs): Use it.
1886 * Makefile.in (protoize.o, unprotoize.o): Depend on Makefile.
1888 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
1890 * invoke.texi (-mlong-double-64): New option description.
1892 1999-01-19 Jim Wilson <wilson@cygnus.com>
1894 * libgcc2.c: Change all uses of LONG_DOUBLE_TYPE_SIZE to
1895 LIBGCC2_LONG_DOUBLE_TYPE_SIZE.
1896 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): New. Set to LONG_DOUBLE_TYPE_SIZE
1898 * i960/i960.h (MULTILIB_DEFAULTS): Define to mnumerics.
1899 (CPP_SPECS): Add -mlong-double-64 support.
1900 (TARGET_FLAG_LONG_DOUBLE_64, TARGET_LONG_DOUBLE_64): New.
1901 (TARGET_SWITCHES): Add -mlong-double-64 support.
1902 (LONG_DOUBLE_TYPE_SIZE): Likewise.
1903 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1904 * i960/vx960-coff.h (MULTILIB_DEFAULTS): Define to msoft-float.
1905 (CPP_SPECS): Add -mlong-double-64 support.
1906 * i960/t-960bare (MULTILIB_OPTIONS): Add mlong-double-64.
1907 (MULTILIB_DIRNAMES): Add ld64.
1908 * i960/t-vxworks960 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Likewise.
1910 Tue Jan 19 11:54:04 1999 Jason Merrill <jason@yorick.cygnus.com>
1912 * calls.c (expand_call): Strip a TARGET_EXPR if we're passing by
1913 invisible reference.
1915 Tue Jan 19 14:51:36 1999 David Edelsohn <edelsohn@mhpcc.edu>
1917 * rs6000.c (offsettable_addr_operand): Delete.
1918 (offsettable_mem_operand): New function.
1919 * rs6000.h (PREDICATE_CODES): Reflect function change.
1920 (RS6000_SAVE_TOC): Represent address as MEM.
1921 * win-nt.h (RS6000_SAVE_TOC): Same.
1922 * rs6000.md (indirect calls): Change offsettable address parameter
1923 to offsettable memory parameter.
1925 Tue Jan 19 10:24:53 1999 Mark Mitchell <mark@markmitchell.com>
1927 * rtl.h (rtx_def): Update documentation.
1928 (MEM_IN_STRUCT_P): Likewise.
1929 (MEM_SCALAR_P): New macro.
1930 (MEM_COPY_ATTRIBUTES): Likewise.
1931 (MEM_SET_IN_STRUCT_P): Likewise.
1932 * rtl.texi (MEM_SCALAR_P): Document.
1933 * alias.c (canon_rtx): Use MEM_COPY_ATTRIBUTES.
1934 (fixed_scalar_and_varying_struct_p): New function. Use
1935 MEM_SCALAR_P rather than !MEM_IN_STRUCT_P.
1936 (aliases_everything_p): Likewise.
1937 (true_dependence): Use them.
1938 (write_dependence_p): New function, containing code common to
1939 anti_dependence and output_dependence.
1940 (anti_dependence): Use it.
1941 (output_dependence): Likewise.
1942 * calls.c (save_fixed_argument_area): Don't clear
1944 (expand_call): Use MEM_SET_IN_STRUCT_P.
1945 (emit_library_call): Don't clear MEM_IN_STRUCT_P.
1946 (emit_library_call_value): Likewise.
1947 (store_one_arg): Use MEM_SET_IN_STRUCT_P.
1948 * combine.c (simplify_rtx): Use MEM_COPY_ATTRIBUTES.
1949 (make_extraction): Likewise.
1950 (simplify_shift_const): Likewise.
1951 (gen_lowpart_for_combine): Likewise.
1952 * cse.c (gen_lowpart_if_possible): Use MEM_COPY_ATTRIBUTES.
1953 * emit-rtl.c (operand_subword): Likewise.
1954 (change_address): Likewise.
1955 * explow.c (stabilize): Use MEM_COPY_ATTRIBUTES.
1956 * expr.c (protect_from_queue): Use MEM_COPY_ATTRIBUTES.
1957 (emit_group_store): Use MEM_SET_IN_STRUCT_P.
1958 (copy_blkmode_from_reg): Likewise.
1959 (store_field): Likewise.
1960 (expand_expr): Remove bogus guesswork setting MEM_IN_STRUCT_P
1961 heuristically. Use MEM_SET_IN_STRUCT_P.
1962 (get_memory_rtx): Likewise.
1963 * final.c (alter_subreg): Use MEM_COPY_ATTRIBUTES.
1964 * function.c (assign_stack_temp): Clear MEM_SCALAR_P and
1965 MEM_ALIAS_SET on newly returned MEMs.
1966 (assign_temp): Use MEM_SET_IN_STRUCT_P.
1967 (put_reg_into_stack): Likewise.
1968 (fixup_var_refs1): Use MEM_COPY_ATTRIBUTES.
1969 (gen_mem_addressof): Use MEM_SET_IN_STRUCT_P.
1970 (assign_parms): Likewise.
1971 (expand_function): Likewise.
1972 * integrate.c (expand_inline_function): Likewise.
1973 (copy_rtx_and_substitute): Use MEM_COPY_ATTRIBUTES.
1974 * loop.c (note_addr_stored): Remove check on MEM_IN_STRUCT_P.
1975 * optabs.c (gen_move_insn): Use MEM_COPY_ATTRIBUTES.
1976 * print-rtl.c (print_rtx): Print /f for frame_related.
1977 * recog.c (validate_replace_rtx_1): Use MEM_COPY_ATTRIBUTES.
1978 * reload1.c (reload): Copy MEM_SCALAR_P as well.
1979 * stmt.c (expand_decl): Use MEM_SET_IN_STRUCT_P.
1980 (expand_anon_union_decl): Use MEM_COPY_ATTRIBUTES.
1981 * varasm.c (make_decl_rtl): Use MEM_SET_IN_STRUCT_P.
1982 (output_constant_def): Likewise.
1983 * a29k.c (a29k_set_memflags_1): Take scalar_p.
1985 (a29k_set_memflags): Use it.
1986 * alpha.c (get_aligned_mem): Use MEM_COPY_ATTRIBUTES.
1987 * c4x.c (c4x_scan_for_ld): Likewise.
1988 * h8300.c (fix_bit_operand): Likewise.
1989 * m88k.c (legitimize_address): Likewise.
1990 (block_move_loop): Likewise.
1991 (block_move_no_loop): Likewise.
1992 (block_move_sequence): Likewise.
1993 (m88k_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
1994 * mips/abi64.h (SETUP_INCOMING_VARARGS): Likewise.
1995 * rs6000.c (expand_block_move_insn): Use MEM_COPY_ATTRIBUTES.
1996 * sh.c (sh_builtin_saveregs): Use MEM_SET_IN_STRUCT_P.
1997 * arm.h (arm_gen_load_multiple): Take scalar_p.
1998 (arm_store_load_multiple): Likewise.
1999 * arm.c (arm_gen_load_multiple): Likewise.
2000 (arm_gen_store_multiple): Likewise.
2001 (arm_gen_movstrqi): Treat MEM_SCALAR_P like MEM_IN_STRUCT_P.
2003 Tue Jan 19 12:30:37 EST 1999 Andrew MacLeod <amacleod@cygnus.com>
2005 * optabs.c (emit_libcall_block): Add a REG_EH_REGION reg note to all
2006 calls within a libcall block to indicate no throws are possible.
2007 * flow.c (find_basic_blocks, find_basic_blocks_1): Don't look for
2008 libcall blocks. Don't add edges to exception handlers if we see
2009 a REG_EH_REGION note with a value of 0.
2010 (make_edges): Override active_eh_region vector if the call has a note
2011 indicating the call does not throw.
2013 1999-01-19 Vladimir N. Makarov <vmakarov@cygnus.com>
2015 * config/rs6000/sysv4.h (CC1_SPEC): Fix correct numbers of {}.
2017 Tue Jan 19 06:26:30 1999 Jeffrey A Law (law@cygnus.com)
2019 * Makefile.in (cccp.o, cpplib.o): Depend on Makefile.
2021 Mon Jan 18 09:56:41 1999 Jason Merrill <jason@yorick.cygnus.com>
2023 * invoke.texi (C++ Dialect Options): Document -fno-rtti.
2025 1999-01-18 Vladimir N. Makarov <vmakarov@cygnus.com>
2027 * invoke.texi (-mcpu=740, -mcpu=750): New options.
2028 (-m(no-)multiple, -m(no-)string): Describe cases for PPC740 &
2031 1999-01-18 Michael Meissner <meissner@cygnus.com>
2033 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
2034 supported with -mcpu=xxx.
2035 (processor_type): Add PROCESSOR_PPC750.
2036 (ADJUST_PRIORITY): Call rs6000_adjust_priority.
2037 (RTX_COSTS): Supply costs for 750 multiply/divide operations.
2038 (rs6000_adjust_priority): Add declaration.
2040 * rs6000.c (rs6000_override_options): -mcpu={750,740} now sets the
2041 processor type as 750, not 603. Allow -mmultiple and -mstring on
2042 little endian 750 systems.
2043 (rs6000_adjust_priority): Stub for now.
2044 (get_issue_rate): The PowerPC 750 can issue 2 instructions/cycle.
2046 * rs6000.md (function/cpu attributes): Add initial ppc750 support.
2048 * sysv4.h (STRICT_ALIGNMENT): Don't force strict alignment if
2050 (CC1_SPEC): Pass -mstrict-align if little endian, and not
2052 (CC1_ENDIAN_{LITTLE,BIG,DEFAULT}_SPEC): Endian specific configs.
2053 (SUBTARGET_EXTRA_SPECS): Add cc1 endian specs.
2055 * {sysv4,eabi}le.h (CC1_ENDIAN_DEFAULT_SPEC): Override, default is
2058 * t-ppcgas (MULTILIB_*): Delete obsolete Solaris multilibs.
2060 Mon Jan 18 12:03:08 1999 Gavin Romig-Koch <gavin@cygnus.com>
2062 * config/mips/mips.md (div_trap): Split div_trap_mips16
2064 (div_trap_normal,div_trap_mips16): Correct the length attributes.
2066 Mon Jan 18 11:48:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2068 * cpplib.c (special_symbol): Qualify a char* with the `const' keyword.
2069 Instead of writing to const char *buf directly, use a non-const
2070 variable `wbuf' to allocate and write a string, then set buf = wbuf.
2072 * cppulp.c (user_label_prefix): Qualify a char* with the `const'
2075 * dyn-string.c (dyn_string_append): Likewise.
2077 * dyn-string.h (dyn_string_append): Likewise.
2079 * final.c (end_final, output_operand_lossage, asm_fprintf): Likewise.
2081 * output.h (end_final, output_operand_lossage, asm_fprintf,
2082 named_section, decode_reg_name, make_decl_rtl, user_label_prefix):
2085 * profile.c (init_branch_prob): Likewise.
2087 * toplev.c (set_target_switch, vmessage,
2088 v_message_with_file_and_line, v_message_with_decl,
2089 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
2090 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
2091 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
2092 v_pedwarn_with_file_and_line, vsorry, v_really_sorry,
2093 open_dump_file, dump_rtl, clean_dump_file,
2094 print_version, print_single_switch, print_switch_values,
2095 dump_base_name, debug_args, lang_independent_options,
2096 user_label_prefix, documented_lang_options, target_switches,
2097 target_options, print_time, pfatal_with_name, fatal_io_error,
2098 fatal_insn, default_print_error_function, print_error_function,
2099 report_error_function, error_with_file_and_line, error_with_decl,
2100 error_for_asm, error, fatal, warning_with_file_and_line,
2101 warning_with_decl, warning_for_asm, warning, pedwarn,
2102 pedwarn_with_decl, pedwarn_with_file_and_line, sorry,
2103 really_sorry, botch, output_quoted_string, output_file_directive,
2104 open_dump_file, rest_of_decl_compilation, display_help, main):
2107 * toplev.h (print_time, fatal, fatal_io_error, pfatal_with_name,
2108 fatal_insn, warning, error, pedwarn, pedwarn_with_file_and_line,
2109 warning_with_file_and_line, error_with_file_and_line, sorry,
2110 really_sorry, default_print_error_function, report_error_function,
2111 rest_of_decl_compilation, pedwarn_with_decl, warning_with_decl,
2112 error_with_decl, error_for_asm, warning_for_asm, output_quoted_string,
2113 output_file_directive, botch): Likewise.
2115 * tree.h (make_decl_rtl): Likewise.
2117 * varasm.c (strip_reg_name, named_section, decode_reg_name,
2118 make_decl_rtl): Likewise.
2120 Mon Jan 18 11:35:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
2122 * Makefile.in (TCL_LIBRARY): Use 'cd' to find the library
2123 directory logically rather than physically.
2125 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2127 * loop.c (insert_bct): Hide the definition of variables
2128 `increment_direction', `compare_direction', `add_iteration' and
2131 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
2132 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
2133 (mode_independent_operand): Mark label `lose' with
2134 ATTRIBUTE_UNUSED_LABEL.
2136 * regclass.c (n_occurrences): Remove prototype and definition.
2138 * reload.c (find_reloads_address_1): Mark variable `tem' with
2141 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
2143 * sbitmap.c (sbitmap_copy): Likewise.
2145 * scan-decls.c (scan_decls): Hide label `handle_comma'.
2147 * toplev.c (output_lang_identify): Mark prototype with
2150 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
2151 (make_tree_vec): Likewise.
2154 * varasm.c (assemble_static_space): Mark variable `tem' with
2157 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
2159 * Makefile.in (GCOV_INSTALL_NAME): New macro.
2160 (install-common): Use it.
2161 (uninstall): Use it.
2162 (uninstall): Use correct names for protoize and unprotoize.
2164 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
2165 Jeffrey A Law (law@cygnus.com)
2167 * flow.c (last_mem_set): Delete variable. References removed.
2168 (mem_set_list): New variable.
2169 (life_analysis): Initialize and finalize alias analysis.
2170 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
2171 (insn_dead_p): For a store to memory, search the entire mem_set_list
2173 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
2174 changes to their addresses. Add new entries to the mem_set_list for
2175 memory writes writes.
2176 (mark_used_regs): Kill entries on the mem_set_list which may be
2177 referenced by a load operation.
2179 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
2181 * alias.c (base_alias_check): Add missing return for differing
2184 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2186 * mips-tdump.c (print_file_desc): Handle unknown filenames and
2187 missing local symbols.
2189 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
2191 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
2193 * system.h (bcopy): Implement with memmove not memcpy.
2195 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
2197 * Makefile.in (cppulp.o): Add dependencies.
2199 * i386.md (integer conditional moves): Add missing earlyclobbers.
2201 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
2202 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
2203 where a register is live.
2205 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
2207 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
2208 of a FP conditional move is not on the FP register stack.
2210 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
2212 * version.c: Bump for snapshot.
2214 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
2216 * reload1.c (reload_cse_regs_1): Do not call
2217 reload_cse_simplify_operands for an insn with asm operands.
2219 * cccp.c (print_help): Fix typos.
2220 * cpplib.c (print_help): Fix typos.
2221 * toplev.c (f_optiosn): Fix typos.
2222 (documented_lang_options): Fix typos.
2224 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
2226 * gcc.c: (do_spec_1): Fix obvious typo.
2228 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2230 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
2231 a non-static function declaration follows a static one.
2233 * invoke.texi (-Wtraditional): Document the extra check now done
2236 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
2238 * pa.md (shadd): Create shadd insns, even if the result of the shift is
2239 needed without the addition.
2241 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2243 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
2245 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
2247 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
2249 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
2251 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
2252 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
2253 non_add_cint_operand, non_logical_cint_operand): Likewise.
2254 (get_issue_rate): Add CPU_PPC604E case.
2255 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
2257 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
2259 * expr.c (queued_subexp_p): Make public.
2260 * expr.h (queued_subexp_p): Declare it.
2261 * recog.c (asm_operand_ok): New function.
2262 (check_asm_operands): Use it. After reload, use constrain_operands
2264 * recog.h (asm_operand_ok): Declare it.
2265 * stmt.c (expand_asm_operands): Use it to try harder to make
2266 asms initially satisfy their constraints.
2268 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
2270 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
2271 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
2273 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2275 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
2276 in delay slot of RPTBD.
2278 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2280 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
2281 divide and modulo sign problem.
2283 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2285 * unroll.c (loop_iterations): Return 0 if the last loop insn
2286 is not a jump insn or if the loop has multiple back edges.
2288 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
2290 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
2291 a register with another DEST_ADDR giv if the address is not valid.
2293 * pa.c (hppa_expand_epilogue): Save and restore the static chain
2294 around the call to mcount.
2296 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
2298 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
2299 generating non-canonical rtl.
2301 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
2303 * config/i960/i960.c (i960_output_move_double_zero,
2304 i960_output_move_quad_zero): New functions for moving zeros.
2305 (i960_output_move_double, i960_output_move_quad): Additional code
2306 for situation when moving unaligned register group.
2308 * config/i960/i960.h (i960_output_move_double_zero,
2309 i960_output_move_quad_zero): The function definitions.
2311 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
2313 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
2315 * config/i960/i960.c (i960_function_prologue): New code (optimal
2316 solution) for saving global registers in local registers.
2317 (form_reg_groups, reg_group_compare, split_reg_group): New
2318 functions used by the code.
2319 (reg_group): New structure definition for the new code.
2321 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
2323 * integrate.c (expand_inline_function): Recognize (mem (addressof))
2324 and substitute. Copy the return value from there into a new pseudo.
2326 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
2328 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
2329 before generating a call to abort for volatile functions.
2330 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
2331 (TARGET_ABORT_NORETURN): Define.
2332 (abort-on-noreturn): New option.
2334 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2336 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
2337 and binarycc operations in 3rd annulled delay slot!
2339 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
2341 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
2342 before generating a call to abort for volatile functions.
2343 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
2344 (TARGET_ABORT_NORETURN): Define.
2345 (abort-on-noreturn): New option.
2347 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2349 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
2350 Remove prototype which we get from libiberty.h.
2352 * collect2.c (xstrdup): Likewise.
2354 * genextract.c (xstrdup): Likewise for `copystr'.
2355 (mybzero): Remove it and use `memset' instead.
2357 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
2358 to use `memcpy' and `memset' instead.
2360 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
2361 changed. Remove prototype.
2362 (mybcopy, mybzero): Remove these and use memcpy/memset.
2364 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
2366 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
2367 generating code for TARGET_64BIT.
2369 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
2371 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
2372 HOST_WIDE_INT word-size.
2373 (rs6000_stack_info): Remove redundant alignment of fpmem.
2375 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
2377 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
2378 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
2379 (input_operand): Adjust CONSTANT_P_RTX handling.
2380 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
2381 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
2382 (movhi, movqi): Remove CONSANT_P_RTX handling.
2383 (movdi): Adjust CONSTANT_P_RTX handling.
2385 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
2387 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
2389 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
2391 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
2392 ensure all prototypes necessary for building libio will be available.
2393 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
2394 definitions here as they are not host specific.
2395 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
2397 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
2399 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
2401 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
2403 * version.c: Bump for snapshot.
2405 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
2407 * rtl.c (rtx_alloc): Use memset instead of inline loop.
2409 * recog.h (recog_op_alt): Declare extern.
2411 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
2413 * function.c (purge_addressof_1): If the note accesses a mem+addressof
2414 in a wider mode than any replacement, adjust the cached replacement.
2415 Cache trivial substitutions as well.
2417 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
2419 * Makefile.in (OBJECTS): Add sbitmap.o.
2420 (BASIC_BLOCK_H): Add sbitmap.h.
2421 * basic-block.h: Move simple bitmap code to sbitmap.h.
2422 * flow.c: Move simple bitmap code to sbitmap.c
2423 * sbitmap.h, sbitmap.c: New files.
2425 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
2427 * alpha.h (TARGET_SWITCHES): Document switches.
2428 (TARGET_OPTIONS): Likewise.
2430 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
2432 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
2434 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
2436 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
2438 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
2439 (basic_block_end): Rename to x_basic_block_end.
2440 (BLOCK_HEAD, BLOCK_END): Update.
2442 * caller-save.c: Change basic_block_head/end references to
2444 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
2445 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
2446 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
2448 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2450 * gcc.c (xstrerror): Renamed from my_strerror. All callers
2451 changed. Remove prototype since we get that from libiberty.h.
2453 * protoize.c (xstrerror): Likewise.
2455 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2457 * gcc.c (read_specs): Ensure format specifiers match their arguments.
2459 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
2461 * tree.c (copy_node): Oops. That would be copy not zero
2462 in that last change.
2464 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2466 * config/c4x/c4x.c: Include system.h.
2467 (c4x_caller_save_map): Disable caller save for RC.
2468 (c4x_optimization_options): Disable scheduling before reload.
2469 (valid_parallel_load_store) : Define return type as int.
2470 Remove unused variable regs.
2471 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
2473 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
2475 (*db, decrement_and_branch_until_zero): Fix up constraints
2476 to keep reload happy.
2478 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
2480 * tree.c (make_node): Call bzero instead of inline clear.
2481 (copy_node, make_tree_vec, build1): Likewise.
2482 (get_identifier): Call strlen instead of inline count.
2483 (maybe_get_identifier): Likewise.
2485 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2487 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
2488 operations in 3rd annulled delay slot.
2489 (*lshrqi3_const_set): Disallow c constraint for operand0.
2490 (modhi3+1, modhi3+2): Set attribute type to multi.
2491 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
2494 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2496 * gansidecl.h: Allow attribute unused on labels only when we are
2497 version 2.93 or higher. Not all versions of 2.92 have this feature.
2499 * version.c: Bump minor number to 93.
2501 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2503 * config/m68k/m68k.h: Declare output_function_epilogue.
2504 * recog.h: Declare next_insn_tests_no_inequality.
2506 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
2508 * stmt.c (optimize_tail_recursion): New function, extracted from ...
2509 (expand_return): Use optimize_tail_recursion.
2510 * tree.h (optimize_tail_recursion): Declare.
2512 * toplev.c (compile_file): Move call to output_func_start_profiler
2513 to after the loop to emit deferred functions.
2515 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2517 * system.h (abort): Supply more detailed information on how to
2518 report an Internal Compiler Error.
2520 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
2522 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
2523 allocate memory that will live beyond this function.
2524 (expand_call): Free it here.
2526 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
2528 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
2529 integer data not destined for fp regs.
2530 (LEGITIMIZE_RELOAD_ADDRESS): New.
2532 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
2533 Richard Henderson <rth@cygnus.com>
2535 Support for Hypersparc and Sparclite86x:
2536 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
2537 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
2538 (ASM_CPU32_DEFAULT_SPEC): Likewise.
2539 (TARGET_CPU_DEFAULT): Likewise.
2540 (enum processor_type): Likewise.
2541 (CPP_ENDIAN_SPEC): Handle little endian data.
2542 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
2543 (ADJUST_COST): Call sparc_adjust_cost.
2544 * sparc.c (sparc_override_options): Fix up for the new targets.
2545 (supersparc_adjust_cost): Make static.
2546 (hypersparc_adjust_cost): New.
2547 (ultrasparc_adjust_cost): Make static.
2548 (sparc_adjust_cost): New.
2549 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
2550 (function_unit): Add hypersparc scheduling rules.
2552 * configure.in (with_cpu handler): Recognize hypersparc.
2554 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2556 * config/c4x/c4x.c: Added space after negation operator.
2557 * config/c4x/c4x.h: Likewise.
2558 * config/c4x/c4x.md: Likewise.
2560 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2562 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
2564 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2566 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
2567 when a test can't be performed due to limited width of
2568 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
2569 Fix UDIV case for cases where the first operand has the highest bit
2572 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
2574 * pa.h (reg_class): Add FPUPPER_REGS.
2575 (REG_CLASS_NAMES): Similarly.
2576 (REG_CLASS_CONTENTS): Similarly
2577 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
2578 (FP_REG_CLASS_P): Likewise.
2579 (REG_CLASS_FROM_LETTER): Similarly.
2580 (CLASS_MAX_NREGS): Similarly.
2582 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
2584 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
2585 for a typedef of bool. Make sure to have a copy of the file is
2586 in place before we look to fix it. Fix typo in variable name to
2589 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
2591 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
2592 value_mode for the return mode.
2594 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
2596 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
2597 debugging as default.
2599 * config/tm-dwarf2.h: New file.
2601 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
2603 * h8300.h (ASM_OUTPUT_LABELREF): Define.
2605 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
2606 * local-alloc.c (update_equiv_regs): Corresponding changes.
2607 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
2609 * calls.c (special_function_p): Push alloca test inside the large
2610 conditional which excludes functions not at file scope or not
2613 * calls.c (special_function_p): New function broken out of
2615 (precompute_register_parameters): Likewise.
2616 (store_one_arg): Likewise.
2617 (store_unaligned_argumetns_into_pseudos): Likewise.
2618 (save_fixed_argument_area): Likewise.
2619 (restore_fixed_argument_area): Likewise.
2620 (expand_call): Corresponding changes.
2622 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2624 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
2626 (const_sint32_operand): Likewise.
2628 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2630 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
2631 is a macro when deciding if we can use `jmp_buf' in prototypes.
2633 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2635 * config/c4x/c4x.md (addqi3): If the destination operand is
2636 a hard register other than an extended precision register,
2637 emit addqi3_noclobber.
2638 (*addqi3_noclobber_reload): New pattern added so that reload
2639 will recognise a store of a pseudo, equivalent to the sum
2640 of the frame pointer and a constant, as an add insn.
2642 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
2644 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
2645 * configure: Rebuilt.
2646 * i386/xm-go32.h: Define LIBSTDCXX.
2648 * i386/go32.h (MD_EXEC_PREFIX): Define.
2649 (FILE_NAME_ABSOLUTE_P): Define.
2650 (LINK_COMMAND_SPEC): Define.
2652 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
2654 * expr.c (store_expr): If the lhs is a memory location pointed
2655 to be a postincremented (or postdecremented) pointer, always
2656 force the rhs to be evaluated into a pseudo.
2658 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
2660 * real.c (mtherr): Print more reasonable warning messages.
2662 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2664 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
2666 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
2667 (new_include_prefix): Constify char* parameters.
2669 * cppfiles.c (read_name_map): Likewise.
2670 (append_include_chain): Likewise. Also, use a writable char* copy
2671 of parameter `dir' which we then modify, rather than using the
2672 parameter itself to store the new writable string.
2673 (remap_filename): Constify some variables. Also, use a writable
2674 char* to store an allocated string which we will be modifying.
2676 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
2677 (cpp_start_read): Constify variable `str'.
2679 * cpplib.h (append_include_chain): Constify a char* parameter.
2681 * gcc.c Include prefix.h, don't prototype prefix.c functions.
2682 (add_prefix, save_string): Constify char* parameters.
2683 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
2685 * prefix.c: Include prefix.h.
2686 (get_key_value, translate_name, save_string, update_path,
2687 set_std_prefix): Constify various char* parameters and variables.
2688 (save_string): Use xmalloc, not malloc.
2689 (translate_name): Use a writable temporary variable to create and
2690 modify a string before setting it to a const char*.
2692 * prefix.h: New file to prototype functions exported from prefix.c.
2694 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
2696 * cpplib.c (skip_if_group): Split out the logic that handles
2697 directive recognition to its own function. Don't use
2698 parse markers; use a bare pointer into the buffer. Use
2699 copy/skip_rest_of_line instead of doing it by hand. Remove
2700 `return on any directive' mode which was never used, and take
2702 (consider_directive_while_skipping): New function, subroutine
2703 of skip_if_group. Logic streamlined a bit.
2704 (conditional_skip, do_elif, do_else): Call skip_if_group with
2707 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
2709 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
2712 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
2714 * extend.texi (Bound member functions): Document.
2716 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2718 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
2719 lang_to_string, type_to_string): Make return type const char*.
2720 (print_symbol): Apply `const' keyword to a char*.
2721 (print_file_desc): Cast structure member `crfd' to ulong when
2722 comparing against one.
2724 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
2725 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
2726 (progname, input_name): Apply `const' keyword to a char*.
2727 Don't redundantly include sys/stat.h.
2728 (alloc_info): Apply `const' keyword to a char*.
2729 (st_to_string, sc_to_string): Likewise.
2730 (hash_string): Cast variable `hash_string' to a symint_t when
2731 comparing against one.
2732 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
2733 Likewise cast it to long when comparing against one.
2734 (add_local_symbol): Apply `const' keyword to a char*.
2735 (add_ext_symbol): Likewise.
2736 (add_unknown_tag): Likewise.
2737 (add_procedure): Cast a printf-style field width to an int.
2738 (add_file): Cast PAGE_USIZE to long when comparing against one
2739 (parse_begin): Cast a printf-style field width to an int.
2740 (parse_bend): Likewise.
2741 (parse_def): Likewise.
2742 (parse_end): Likewise.
2743 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
2744 (parse_stabs_common): Fix format specifier.
2745 (parse_input): Change type of variable `i' to Size_t.
2746 (write_object): Fix arguments to match format specifiers.
2747 Cast variable `num_write' to long when comparing against one.
2748 (read_seek): Cast variable `sys_read' to symint_t when comparing
2749 against one. Fix arguments to match format specifiers. Cast
2750 variable `size' to long when comparing against one.
2751 (copy_object): Cast result of `sizeof' to int when comparing
2752 against one. Fix arguments to match format specifiers. Cast
2753 variable `ifd' to long when comparing against a signed value.
2756 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2758 * c-common.c (decl_attributes): Allow applying attribute `unused'
2761 * c-parse.in (label): Parse attributes after a label, and call
2762 `decl_attributes' to handle them.
2764 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
2766 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
2767 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
2769 * invoke.texi: Note that labels can be marked `unused'.
2771 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
2773 * version.c: Bump for snapshot.
2775 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
2777 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
2778 RTL for a compare/jump sequence.
2780 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2782 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
2783 for a target with HAVE_cc0 defined.
2784 (emit_cmp_and_jump_insns): New function.
2785 * expr.h (emit_cmp_and_jump_insns): Prototype it.
2786 * loop.c (check_dbra_loop): Use it to replace calls
2787 to emit_cmp_insn and emit_jump_insn and to canonicalise
2788 the comparison if necessary.
2789 * unroll.c (unroll_loop): Likewise.
2791 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2793 * fixincludes (sys/utsname.h): Provide forward declaration of
2794 struct utsname on Ultrix V4.[35].
2796 * mips.md (div_trap): Use local labels instead of dot-relative
2799 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
2801 * pa.md (branch, negated branch): Handle (const_int 0) as first
2803 * pa.c (output_cbranch): Likewise.
2805 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
2807 * rs6000.c (rs6000_stack_info): Undo spurious part of last
2810 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
2812 * extend.texi (__builtin_constant_p): Add missing @smallexample.
2814 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
2816 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
2818 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
2820 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
2821 (adddi_dishl32): Similarly.
2823 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
2824 for each insn in the skipped block.
2826 * reload1.c (reload_as_needed): Verify that the insn satisfies its
2827 constraints after replacing a register address with an autoincrement
2828 address for reload inheritance purposes.
2830 * i386.md (doubleword shifts): Avoid namespace pollution.
2832 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
2834 * configure.in (FreeBSD ELF): Needs special crt files.
2836 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
2838 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
2840 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2842 * loop.c (check_dbra_loop): While reversing the loop, if the
2843 comparison value has a VOID mode use the mode of the other operand
2844 to compute the mask.
2846 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
2848 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
2849 avoid warnings in compiling explow.c.
2851 (patch from Ken Raeburn, raeburn@cygnus.com)
2852 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
2853 fpmem_offset. Compute total size after that, and then
2854 rs6000_fpmem_offset using both values.
2856 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2858 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
2859 the future; indeed that already happens in some cases.
2861 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
2863 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
2864 (arith_operand): Remove constant_p_rtx handling.
2865 (const64_operand, const64_high_operand): Likewise.
2866 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
2867 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
2868 (small_int_or_double, uns_small_int, zero_operand): Likewise.
2869 * sparc.h (PREDICATE_CODES): Likewise.
2871 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
2873 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
2875 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
2876 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
2877 consider constant CONSTRUCTOR constant and to defer some cases
2879 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
2880 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
2882 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
2884 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
2885 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
2887 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
2888 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
2889 (sext_add_operand, and_operand, or_operand): Likewise.
2890 (reg_or_cint_operand, some_operand, input_operand): Likewise.
2891 * alpha.h (PREDICATE_CODES): Likewise.
2893 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
2895 * version.c: Bump for snapshot.
2897 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
2899 * gengenrtl.c (gencode): Always use bzero to clear memory instead
2900 of dangerous casts and stores.
2902 * Makefile.in (compare, gnucompare): Add missing else true clauses.
2904 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
2906 * alpha.md (builtin_longjmp): Add missing "DONE".
2908 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
2910 * gcc.c (execute): Enable -pipe with win32.
2912 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
2914 * config/arm/t-arm-elf: Add multiplib option for leading
2917 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
2918 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
2920 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
2921 than variable 'reload_address_base_reg_class'. [Note this
2922 change is unrelated to the others in this patch].
2924 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
2927 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2929 * alias.c (record_alias_subset): Remove ignored `&'.
2930 (init_alias_once): Likewise.
2932 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
2934 * config/mips/mips.c (mips_asm_file_end): Cast the result of
2935 fwrite to `int' when comparing against one.
2937 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
2938 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
2940 * cse.c (rehash_using_reg): Change type of variable `i' to
2943 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
2944 assigning it to one.
2946 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
2948 * final.c (final_scan_insn): Likewise for variable `i'.
2949 (output_asm_insn): Cast a char to unsigned char when used as an
2952 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
2953 assigning it to one.
2955 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
2957 * recog.c (preprocess_constraints): Cast a char to unsigned char
2958 when used as an array index.
2960 * regmove.c (find_matches): Likewise.
2962 * reload1.c (calculate_needs): Add default case in switch.
2963 (eliminate_regs_in_insn): Initialize variable `offset'.
2964 (set_offsets_for_label): Change type of variable `i' to unsigned.
2965 (reload_as_needed): Wrap variable `i' in macro check on
2966 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
2968 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
2969 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
2970 when comparing against one.
2972 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
2973 unsigned when comparing against one. Likewise for
2974 GET_MODE_ALIGNMENT().
2975 (layout_record): Cast record_align to int when comparing against a
2977 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
2980 * tree.c (get_identifier): Cast variable `len' to unsigned when
2981 comparing against one.
2982 (maybe_get_identifier): Likewise
2984 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
2986 * toplev.c (rest_of_compilation): Do not set reload_completed.
2987 * reload1.c (reload): Set reload_completed before calling
2988 cleanup_subreg_operands.
2990 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
2992 * reload1.c (emit_reload_insns): Check `set' not null before use.
2994 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
2996 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
2999 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
3001 * halfpic.c (half_pic_encode): Delete redundant code.
3003 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
3005 * toplev.c (main): Delete handling of -dM as a preprocessor
3008 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
3010 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
3011 -dI, which are handled by the preprocessor.
3013 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
3015 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
3016 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
3018 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
3020 * version.c: Bump for snapshot.
3022 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
3024 * version.c: Bump for snapshot.
3026 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
3028 * version.c: Bump for snapshot.
3030 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3032 * genattr.c (fatal): Qualify a char* with the `const' keyword.
3034 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
3035 write_unit_name, write_eligible_delay, expand_units,
3036 make_length_attrs, write_attr_case, find_attr,
3037 make_internal_attr): Likewise.
3038 * gencheck.c (tree_codes): Likewise.
3039 * gencodes.c (fatal): Likewise.
3040 * genconfig.c (fatal): Likewise.
3041 * genemit.c (fatal): Likewise.
3042 * genextract.c (fatal, walk_rtx, copystr): Likewise.
3043 * genflags.c (fatal): Likewise.
3044 * genopinit.c (fatal, optabs, gen_insn): Likewise.
3045 * genoutput.c (fatal, error, predicates): Likewise.
3046 * genpeep.c (fatal): Likewise.
3047 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
3048 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
3050 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3052 * configure.in (with-fast-fixincludes): Fix whitespace.
3053 * configure: Rebuilt.
3055 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
3056 asm() etc. function declarations in __DECC.
3058 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
3060 * expr.c (emit_move_insn_1): Only emit a clobber if the target
3061 is a pseudo register.
3063 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
3065 * gcse.c: Include expr.h in order to get the prototype for
3066 get_condition() which is used in delete_null_pointer_checks().
3068 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3070 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
3072 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
3074 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
3075 (ALL_CFLAGS): Delete SCHED_CFLAGS.
3077 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
3079 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
3082 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
3084 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
3085 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
3086 optimizations from the combiner.
3088 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3090 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
3092 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
3094 * toplev.c (main): Disable optimize_size if a specific
3095 optimization level is requested. Always set optimization
3096 level to 2 if -Os is specified.
3098 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
3100 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
3102 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
3103 initialize it using fname.
3105 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
3107 * cpplib.c (do_include): Treat #include_next in the
3108 primary source file as #include plus warning. Treat
3109 #include_next in a file included by absolute path as an
3110 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
3112 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3114 * cccp.c: Don't define MIN/MAX anymore.
3115 * cpplib.c: Likewise.
3116 * machmode.h: Likewise.
3117 * system.h: Provide definitions for MIN/MAX.
3119 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
3121 * fix-header.c: Don't define xstrdup here.
3123 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3125 * loop.c (consec_sets_giv): New argument last_consec_insn.
3126 (strength_reduce): Provide / use it.
3128 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3130 * loop.h (loop_info): New field 'vtop'.
3131 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
3132 scanning loop for vtop.
3133 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
3134 (loop_iterations): Use them to determine if loop has a constant
3135 number of iterations. Set loop_info->vtop. Don't subtract
3136 common reg term from initial_value and final_value if have a
3139 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
3141 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
3143 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
3145 * mn10200.md (abssf2, negsf2): New expanders.
3147 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
3149 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
3151 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
3152 replaced by a CONCAT whoes components do not have the same
3153 mode as the original SUBREG, use a new SUBREG to restore the
3156 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
3157 multiword complex values.
3159 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
3161 * cppalloc.c: Add xstrdup here.
3162 * cpplib.h: Remove savestring prototype.
3163 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
3165 * cppfiles.c: s/savestring/xstrdup/ throughout.
3167 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
3169 * cpplib.c: Make all directive handlers read their own
3171 (struct directive): Remove last two arguments from FUNC
3172 member prototype. Remove `command_reads_line' member
3174 (directive_table): Remove initializations of
3175 command_reads_line flag. Pretty-print.
3176 (eval_if_expression, do_define, do_line, do_include,
3177 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
3178 do_else, do_elif, do_sccs, do_assert, do_unassert,
3179 do_warning): Take only two args.
3181 (cpp_define): Call do_define with two args and the text to
3182 define stuffed into a buffer.
3183 (make_assertion): Call do_assert with two args.
3184 (handle_directive): Call do_line with two args. Call
3185 kt->func with two args. Remove command_reads_line
3187 (do_define, do_undef, do_error, do_warning, do_pragma,
3188 do_sccs): Read the rest of the line here.
3189 (do_ident): Gobble rest of line, as cccp does.
3190 (cpp_undef): New function.
3191 (cpp_start_read): Call cpp_undef instead of do_undef.
3193 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
3195 * cpphash.h (union hash_value): Remove `keydef' member, add a
3196 `struct hashnode *aschain' member for #assert.
3198 * cpplib.c (struct tokenlist_list, struct
3199 assertion_hashnode): Delete structure definitions.
3200 (assertion_install, assertion_lookup, delete_assertion,
3201 check_assertion, compare_token_lists, reverse_token_list,
3202 read_token_list, free_token_list): Delete functions.
3203 (parse_assertion): New function.
3204 (cpp_cleanup): Don't destroy the assertion_hashtable.
3206 (do_assert): Gut and rewrite. #assert foo (bar) places
3207 entries for `#foo' and `#foo(bar)' in the macro hash table,
3208 type T_ASSERT. The value union's `aschain' member is used
3209 to chain all answers for a given predicate together.
3210 (do_unassert): Also rewritten. Take an un-asserted
3211 answer off the chain from its predicate and call
3212 delete_macro on the hashnode, or walk a predicate chain
3213 calling delete_macro on all the entries.
3214 (cpp_read_check_assertion): Simply call parse_assertion to
3215 get the canonical assertion name, and look that up in the
3218 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
3221 * cpphash.c (install): Use bcopy instead of an explicit loop
3222 to copy the macro name.
3224 * cppexp.c (cpp_lex): Convert the result of
3225 cpp_read_check_assertion to a `struct operation' directly;
3226 don't go through parse_number.
3228 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3230 * loop.h (struct induction): Delete times_used member.
3231 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
3232 (n_times_used): Rename to n_times_set. Changed all users.
3233 (scan_loop): Free reg_single_usage before strength reduction.
3234 (record_giv, combine_givs): Remove handling of times_used member.
3235 (combine_givs_used_once): Rename to:
3236 (combine_givs_used_by_other) . Changed all callers.
3238 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
3240 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
3241 instead of TREE_CODE_CLASS == 't'.
3242 (gen_type_die): Likewise.
3243 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
3245 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
3247 * real.c (endian): Disable last change unless
3248 HOST_BITS_PER_WIDE_INT is greater than 32.
3250 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3252 * output.h (force_data_section): New prototype.
3253 * varasm.c (force_data_section): New function to force the
3254 data section, regardless of what in_section thinks.
3255 * dwarf2out.c (output_call_frame_info): Call force_data_section
3256 since varasm may not realize we've changes sections.
3258 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
3260 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
3261 after completeing reload.
3263 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
3264 deleted after reload.
3266 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
3268 * rtl.h (multiple_sets): Fix prototype.
3269 * rtlanal.c (multiple_sets): Fix return type.
3271 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
3273 * version.c: Bump for snapshot.
3275 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
3277 * version.c: Bump for snapshot.
3279 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
3281 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
3283 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3285 * rtl.h (recompute_reg_usage): Add second argument.
3286 * flow.c (recompute_reg_usage): Likewise.
3287 * toplev.c (rest_of_compilation): Supply second argument to
3288 recompute_reg_usage.
3290 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
3293 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
3295 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
3296 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
3297 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
3300 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
3302 * rtlanal.c (multiple_sets): New function.
3303 * rtl.h (multiple_sets): Declare it.
3304 * local-alloc.c (wipe_dead_reg): Use it.
3305 * global.c (global_conflicts): Likewise.
3307 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
3309 * global.c (record_conflicts): Don't use an array of shorts to
3310 store an array of ints.
3311 (global_conflicts): Likewise.
3313 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
3315 * alpha.c (alpha_expand_block_move): mode_for_size expects
3316 bits, not bytes. Infer extra alignment from addressof.
3318 1998-12-11 Michael Meissner <meissner@cygnus.com>
3320 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
3321 .sbss section, not .sdata.
3323 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
3325 * cccp.c: Do not #include <sys/stat.h> here; this is already done
3327 * collect2.c: Likewise.
3328 * cpplib.h: Likewise.
3331 * getpwd.c: Likewise.
3332 * protoize.c: Likewise.
3333 * toplev.c: Likewise.
3335 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
3336 and don't try to define it here.
3337 * Makefile.in (cppmain.o): Depend on machmode.h.
3338 (cpplib.o): Likewise.
3339 (cpperror.o): Likewise.
3340 (cppexp.o): Likewise.
3341 (cppfiles.o): Likewise.
3342 (cpphash.o): Likewise.
3343 (cppalloc.o): Likewise.
3344 (fix-header.o): Likewise.
3345 (scan-decls.o): Likewise.
3347 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
3349 * sh.c (print_operand): lookup interrupt_handler attribute instead
3350 of relying on static variable.
3351 * (calc_live_regs): Likewise.
3352 * (sh_pragma_insert_attributes): Create interrupt_handler
3353 attribute if a pragma was specified
3354 * (sh_valid_machine_decl_attribute): Don't set static flag.
3355 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
3357 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3359 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
3360 to determine if a register is live at a jump destination.
3361 Everything is dead at a BARRIER.
3363 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
3365 * cse.c (simplify_unary_operation): Sign-extend constants when
3366 they have the most significant bit set for the target.
3367 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
3369 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
3370 HOST_WIDE_INT temporary before negating it.
3371 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
3373 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
3375 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
3378 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3380 * collect2.h: New header file for prototypes.
3382 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
3384 * collect2.c: Include collect2.h.
3385 * tlink.c: Likewise.
3387 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
3389 * flow.c: Update some comments.
3391 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
3393 * objc/objc-act.c (cpp_initialized): Removed.
3394 (lang_init_options): Initialize cpplib.
3395 (lang_decode_option): Move initialization of cpplib to
3397 * c-lang.c: (parse_options,parse_in): Added.
3398 (lang_init_options): Initialized cpplib here.
3399 * c-decl.c (parse_options,cpp_initialized): Removed.
3400 (c_decode_option): Move initialization of cpplib to
3403 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3405 * reload1.c (reload_combine, reload_combine_note_store):
3406 Make STORE_RUID always valid.
3407 (reload_combine): Check if BASE is clobbered too early.
3409 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
3411 * reload.c (find_reloads): Display the insn that cannot be
3414 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
3416 * cccp.c (create_definition): Fix end of bufer logic.
3418 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3420 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
3421 pointer parameters changed to use the PARAMS() macro.
3423 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3425 * except.h (struct handler_info): Add handler_number field.
3426 * except.c (gen_exception_label): EH labels no longer need to be
3427 on the permanent obstack.
3428 (get_new_handler): Set the label number field.
3429 (output_exception_table_entry): Regenerate handler label reference
3430 from the label number field.
3431 (init_eh): Remove a blank line.
3432 * integrate.c (get_label_from_map): Labels no longer need to be
3433 on the permanent obstack.
3435 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
3437 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
3438 only when OUTER_CODE is SET.
3440 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3442 * loop.c (strength_reduce): If scan_start points to the loop exit
3443 test, be wary of subversive use of gotos inside expression statements.
3444 Don't set maybe_multiple for a backward jump that does not
3445 include the label under consideration into its range.
3446 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
3448 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3450 * explow.c (plus_constant_wide): Don't immediately return with
3451 result of recursive call.
3453 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3455 * eh-common.h (struct eh_context): Add table_index for rethrows.
3457 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
3458 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
3459 processed when inlined or unrolled (ie duplicated in some way).
3461 * rtl.c (reg_note_name): Add strings for new reg_note enums.
3463 * expr.h (rethrow_libfunc): New library decl.
3465 * optabs.c (rethrow_libfunc): Initialize.
3467 * except.h (struct eh_entry): Add new field 'rethrow_label'.
3468 (new_eh_region_entry): No longer exported from except.c.
3469 (duplicate_handlers): Renamed to duplicate_eh_handlers and
3470 different prototype.
3471 (rethrow_symbol_map, rethrow_used): New exported functions.
3472 (eh_region_from_symbol): New exported function.
3474 * except.c (create_rethrow_ref): New function to create a single
3475 SYMBOL_REF for a rethrow region.
3476 (push_eh_entry): Initialize a rethrow ref.
3477 (func_eh_entry): Add a rethrow_label field.
3478 (new_eh_region_entry): Make static, and initialize the rethrow entry.
3479 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
3480 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
3481 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
3482 a region into an appropriate new symbol.
3483 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
3484 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
3485 (end_catch_handler): Emit a barrier for new-exceptions since
3486 control can never drop through the end of a catch block.
3487 (expand_end_all_catch): new-exceptions never fall through a catch
3489 (expand_rethrow): use __rethrow routine for new exceptions.
3490 (output_exception_table_entry): Generate rethrow labels, if needed.
3491 (output_exception_table): Generate start and end rethrow labels.
3492 (init_eh): Create rethrow symbols for beginning and end of table.
3493 (scan_region): Don't eliminate EH regions which are the targets of
3496 * flow.c (make_edges): Add different edges for rethrow calls,
3497 identified by having the REG_EH_RETHROW reg label.
3498 (delete_unreachable_blocks): Don't delete regions markers which are
3499 the target of a rethrow.
3501 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
3502 allow save_for_inline_copying to call duplicate_eh_handlers.
3503 (save_for_inline_copying): Call duplicate_eh_handlers instead of
3504 exposing internal details of exception regions.
3505 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
3506 (expand_inline_function_eh_labelmap): New callback routine to
3507 allow expand_inline_function to call duplicate_eh_handlers.
3508 (expand_inline_function): Call duplicate_eh_handlers instead of
3509 exposing internal details of exception regions.
3510 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
3513 * libgcc2.c (find_exception_handler): Generalize to enable it to
3514 pick up processing where it left off last time for a rethrow.
3515 (__unwinding_cleanup): New function. debug hook which is called before
3516 unwinding when __throw finds there is nothing but cleanups left.
3517 (throw_helper): Common parts of __throw extracted out for reuse.
3518 (__throw): Common parts moved to throw_helper.
3519 (__rethrow): New function for performing rethrows.
3521 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
3523 * reload1.c (current_function_decl): Tweak declaration.
3525 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
3527 * c-decl.c (flag_isoc9x): Default off.
3528 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
3529 * cccp.c (print_help, main): Likewise.
3530 * gcc.c (default_compilers): Update for -std=gnu*.
3532 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
3534 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
3535 * demangle.h: Deleted.
3537 * reload1.c (current_function_decl): Declare.
3539 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3541 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
3543 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3545 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
3547 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
3549 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
3551 * configure: Rebuilt.
3552 * system.h: If the *_unlocked functions are available use them
3553 instead of the locked counterparts by defining macros.
3554 * config.in: Regenerated.
3556 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
3558 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
3559 wrong and should only be used for dump related things, not
3560 debugging information, instead main_input_filename should be used.
3561 Also, reuse output_file_directive if possible.
3562 * i386/aix386ng.h (ASM_FILE_START): Likewise.
3563 * i386/isc.h (ASM_FILE_START): Likewise.
3564 * i386/win-nt.h (ASM_FILE_START): Likewise.
3565 * i386/sun386.h (ASM_FILE_START): Likewise.
3567 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
3569 * configure.in (mips*-*-linux*): Handle big and little endian
3571 * configure: Rebuilt.
3573 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
3575 * emit-rtl.c: Fix typo.
3577 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
3579 * reload1.c (eliminate_regs): Don't do anything, if we're not
3582 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
3584 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
3586 * mips/mips.c (mips_select_section): Add comment.
3588 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
3590 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
3591 characters in file names in #line to be consistent with #include
3592 handling. We support escape prcessing in the # 1 "..." version of
3593 the command. See also support in cp/lex.c.
3594 (handle_directive): Likewise.
3595 (do_line): Likewise.
3597 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
3599 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
3600 so it'll work on non-ASCII platforms. Always consider $ an
3601 identifier character. Take no arguments.
3602 (cpp_reader_init): Call initialize_char_syntax with no
3604 (cpp_start_read): Don't call initialize_char_syntax again.
3605 Clear is_idchar['$'] and is_idstart['$'] if not
3606 opts->dollars_in_ident.
3608 * cpplib.h (struct cpp_reader): Replace void *data element by
3609 cpp_options *opts. Rearrange elements to make gdb printout
3610 less annoying (put buffer stack at end).
3611 (CPP_OPTIONS): Get rid of now-unnecessary cast.
3613 * cppmain.c: s/data/opts/ when initializing cpp_reader
3615 * c-decl.c: Likewise.
3616 * objc/objc-act.c: Likewise.
3617 * fix-header.c: Likewise.
3619 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
3621 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
3622 with a struct file_name_list pointer.
3623 (struct cpp_reader): Add pointer to chain of `actual
3624 directory' include searchpath entries.
3625 (struct file_name_list): Add *alloc pointer for the sake of
3626 the actual-directory chain.
3628 Move definition of HOST_WIDE_INT here.
3629 (cpp_parse_escape): Change prototype to match changes in
3632 * cppfiles.c (actual_directory): New function.
3633 (finclude): Use it to initialize the buffer's actual_dir
3635 (find_include_file): We don't need to fix up max_include_len
3638 * cpplib.c (do_include): Don't allocate a file_name_list on
3639 the fly for current directory "" includes, use the one that's
3640 been preallocated in pfile->buffer->actual_dir. Hoist out
3641 duplicate code from the search_start selection logic.
3642 (cpp_reader_init): Initialize pfile->actual_dirs.
3644 Remove definition of HOST_WIDE_INT. Change calls
3645 to cpp_parse_escape to match changes in cppexp.c (note
3646 hardcoded MASK, which is safe since this is the source
3649 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
3650 to handle wide character constants in #if directives. The
3651 function now returns a HOST_WIDE_INT, and takes a third
3652 argument which is a binary mask for all legal values (0x00ff
3653 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
3654 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
3655 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
3657 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
3659 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
3661 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3663 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
3664 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
3665 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
3667 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
3669 * final.c (output_asm_name): Use tabs to seperate comments from
3672 Include instruction lengths (if defined) in output.
3674 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3676 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
3677 in the loop_info structure.
3679 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
3681 * configure.in: (arm*-*-ecos-elf): New target.
3682 * configure: Regenerated.
3683 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
3684 * config/arm/ecos-elf.h: New file.
3685 * config/arm/unknown-elf.h (TARGET_VERSION): Check
3688 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3690 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
3692 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
3694 * version.c: Bump for snapshot.
3696 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3698 * loop.c (check_dbra_loop): New argument loop_info. Update fields
3701 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
3703 * version.c: Bump for snapshot.
3705 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3707 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
3708 compressed reports are ok and preferred over URLs
3710 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3712 * invoke.texi (Warning Options): Soften the tone of -pedantic
3714 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
3716 * print-rtl.c (print_rtx): Add prototype.
3718 * unroll.c (iteration_info): Make it static.
3720 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
3722 * alias.c (memrefs_conflict_p): A second ANDed address
3723 disables the aligned address optimization.
3725 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
3727 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
3730 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3732 * i960.h (BOOL_TYPE_SIZE): Define.
3734 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3736 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
3737 from old valid_parallel_operands_4.
3738 (valid_parallel_operands_4): Check that operands for 4 operand
3739 parallel insns are valid, excluding load/store insns.
3740 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
3741 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
3742 valid_parallel_load_store instead of valid_parallel_operands_4.
3743 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
3744 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
3745 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
3746 *notqi_movqi_clobber): Use valid_parallel_operands_4.
3747 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
3748 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
3749 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
3751 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3753 * config/c4x/c4x.c (iteration_info): Delete extern.
3755 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3757 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
3759 * final.c (cleanup_subreg_operands): Delete some unused code.
3761 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
3762 (struct insn_alternative): New structure definition.
3763 (recog_op_alt): Declare variable.
3764 (preprocess_constraints): Declare function.
3765 * recog.c (recog_op_alt): New variable.
3766 (extract_insn): Verify number of alternatives is in range.
3767 (preprocess_constraints): New function.
3768 * reg-stack.c: Include recog.h.
3769 (constrain_asm_operands): Delete.
3770 (get_asm_operand_lengths): Delete.
3771 (get_asm_operand_n_inputs): New function.
3772 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
3773 N_OUTPUTS args. All callers changed.
3774 Compute number of inputs and outputs here by calling
3775 get_asm_operand_n_inputs.
3776 Instead of constrain_asm_operands, call extract_insn,
3777 constrain_operands and preprocess_constaints. Use information
3778 computed by these functions throughout.
3779 (record_reg_life): Delete code that is unused due to changes in
3780 record_asm_reg_life.
3781 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
3782 N_INPUTS and N_OUTPUTS args. All callers changed.
3783 Similar changes as in record_asm_reg_life.
3784 (subst_stack_regs): Move n_operands declaration into the if statement
3786 Delete code that is unused due to changes in subst_asm_stack_regs.
3787 * stmt.c (expand_asm_operands): Verify number of alternatives is in
3789 * Makefile.in (reg-stack.o): Depend on recog.h.
3791 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
3793 * except.c (set_exception_version_code): Argument is an "int".
3795 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
3797 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
3798 * configure: Rebuilt.
3800 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
3802 * configure.in (mipsel-*-linux*): New target.
3803 * mips/linux.h: New file, based on other Linux targets.
3805 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
3807 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
3808 runs in the context of the deleter, not the deletee, so we must
3809 use taskVarGet to find the correct memory to free.
3810 (__gthread_key_create): Initialize the task
3811 variable subsystem so that the task variable is still active when
3812 the delete hook is run.
3814 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
3816 * pdp11.h: Use optimize_size for space optimizations.
3817 * pdp11.c: Likewise.
3818 * pdp11.md: Likewise.
3820 * pdp11.h (TARGET_40_PLUS): Fix typo.
3822 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
3824 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
3827 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3829 * alias.c (addr_side_effect_eval): New function.
3830 (memrefs_conflict_p): Use it.
3831 * rtl.h (addr_side_effect_eval): Prototype it.
3833 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
3835 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
3837 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
3839 * reload.c (find_reloads): When force const to memory, put result
3840 in substed_operand not *recog_operand_loc.
3842 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
3844 * c-lex.c: Fix indentation from last patch.
3845 Remove trailing whitespace.
3848 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
3850 * flow.c (delete_block): Call set_last_insn after we have reset
3851 NEXT_INSN (kept_tail).
3853 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
3855 * mips.md (trap_if): Use "$0" for the value zero.
3857 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
3858 Stephen L Moshier <moshier@world.std.com>
3859 Richard Henderson <rth@cygnus.com>
3861 * c-common.c (declare_function_name): Declare predefinied variable
3864 * c-decl.c (flag_isoc9x): Set to 1 by default.
3865 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
3866 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
3868 * c-parse.in: Allow constructors in ISO C 9x.
3869 Rewrite designator list handling.
3870 Allow [*] parameters.
3871 Don't warn about comma at end of enum definition for ISO C 9x.
3873 * cccp.c (c9x): New variable.
3874 (rest_extension): New variable.
3875 (print_help): Document new -std= option.
3876 (main): Recognize -std= option. Set c9x appropriately.
3877 (create_definition): Recognize ISO C 9x vararg macros.
3879 * gcc.c (default_compilers): Adjust specs for -std options.
3880 (option_map): Add --std.
3881 (display_help): Document -std.
3883 * toplev.c (documented_lang_options): Add -std and remove
3886 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
3887 or REAL_VALUE_HTOF based on base of the constants.
3888 * fold-const.c (real_hex_to_f): New function. Replacement function
3889 for hex FP conversion if REAL_ARITHMETIC is not defined.
3890 * real.c (asctoeg): Add handling of hex FP constants.
3891 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
3894 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
3896 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
3897 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
3898 expansion. Use hi/lo as destination register.
3900 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
3901 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
3902 Avoid as macro expansion. Use hi/lo as destination register.
3904 * mips.h (MASK_CHECK_RANGE_DIV): New.
3905 (MASK_NO_CHECK_ZERO_DIV): New.
3906 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
3907 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
3908 return address for leaf functions out of r31 to support
3909 builtin_return_address.
3911 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3913 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
3914 NEXT_INSN(x) to check insn x.
3916 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
3918 * flow.c (delete_block): Call set_last_insn if we end up deleting the
3919 last insn in the rtl chain.
3921 * reload1.c (reload): Do not set reload_completed or split insns
3923 * toplev.c (rest_of_compilation): Set reload_completed after
3924 reload returns. Split insns after reload_cse has run.
3926 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
3928 * final.c (final_scan_insn): Abort if block_depth falls below 0.
3930 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
3932 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
3934 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
3936 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
3937 use of user-label_prefix.
3939 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3941 * reload1.c (emit_reload_insns): Clear spill_reg_store
3942 when doing a new non-inherited reload from the same pseudo.
3944 * local-alloc.c (function_invariant_p): New function.
3945 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
3946 to decide if an equivalence should be recorded.
3947 * reload1.c (num_eliminable_invariants): New static variable.
3948 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
3949 to decide if an equivalence should be recorded.
3951 (calculate_needs_all_insns): Skip insns that only set an equivalence.
3952 Take num_eliminable_invariants into account when deciding
3953 if register elimination should be done.
3954 (reload_as_needed): Take num_eliminable_invariants into account
3955 when deciding if register elimination should be done.
3956 (eliminate_regs): Handle non-constant reg_equiv_constant.
3957 * rtl.h (function_invariant_p): Declare.
3959 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
3961 * version.c: Bump for snapshot.
3963 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
3965 * version.c: Bump for snapshot.
3967 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
3969 * except.c (add_new_handler): Complain about additional handlers
3970 after one that catches everything.
3972 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
3974 * configure.in (alpha*-*-netbsd): Fix typo.
3975 * configure: Rebuilt.
3977 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3979 * system.h: Include libiberty.h.
3981 * c-aux-info.c: Remove prototypes for concat/concat3. Change
3982 function `concat' from fixed parameters to variable parameters,
3983 as is done in libiberty. All callers of concat/concat3
3984 changed to use the new `concat' with variable args.
3986 * cccp.c: Remove things made redundant by libiberty.h and/or
3987 conform to libiberty standards.
3989 * collect2.c: Likewise.
3990 * config/1750a/1750a.h: Likewise.
3991 * cppalloc.c: Likewise.
3992 * cppexp.c: Likewise.
3993 * cppfiles.c: Likewise.
3994 * cpphash.c: Likewise.
3995 * cpplib.c: Likewise.
3996 * dyn-string.c: Likewise.
3997 * fix-header.c: Likewise.
4000 * genattr.c: Likewise.
4001 * genattrtab.c: Likewise.
4002 * gencheck.c: Likewise.
4003 * gencodes.c: Likewise.
4004 * genconfig.c: Likewise.
4005 * genemit.c: Likewise.
4006 * genextract.c: Likewise.
4007 * genflags.c: Likewise.
4008 * gengenrtl.c: Likewise.
4009 * genopinit.c: Likewise.
4010 * genoutput.c: Likewise.
4011 * genpeep.c: Likewise.
4012 * genrecog.c: Likewise.
4013 * getpwd.c: Likewise.
4014 * halfpic.c: Likewise.
4016 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
4017 in NEED_DECLARATION_* macros.
4019 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
4020 conform to libiberty standards.
4021 (fatal): Fix const-ification of variable `format' in
4022 !ANSI_PROTOTYPES case.
4024 * prefix.c: Remove things made redundant by libiberty.h and/or
4025 conform to libiberty standards.
4027 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
4028 conflicting with function `spaces' from libiberty.
4030 * profile.c: Remove things made redundant by libiberty.h and/or
4031 conform to libiberty standards.
4032 * protoize.c: Likewise.
4035 * tlink.c: Likewise.
4036 * toplev.c: Likewise.
4037 * toplev.h: Likewise.
4040 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4042 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
4044 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4046 * README.C4X: Updated URLs.
4047 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
4048 (valid_parallel_operands_5): Remove unused variable.
4050 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4052 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
4054 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
4056 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
4057 which can be configured.
4058 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
4059 (Makefile): Pass actual LANGUAGES through the environment when
4061 (cstamp-h): Likewise.
4062 (config.status): Likewise.
4064 * configure.in (enable_languages): Add new configuration parameter
4065 "--enable-languages=lang1,lang2,...".
4066 (${srcdir}/*/config-lang.in): Change handling to configure only
4067 those directories, that the user might have enabled; default to
4068 "all" existing languages.
4069 * configure: Regenerate.
4071 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
4073 * rtlanal.c (regs_set_between_p): New function.
4074 * rtl.h (regs_set_between_p): Prototype it.
4075 * jump.c (jump_optimize): Use it instead of modified_between_p
4076 in the Sep 2 change.
4078 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
4079 Matthias Pfaller <leo@dachau.marco.de>
4081 * invoke.texi (Option Summary, NS32K Options): add description
4082 of NS32K specific options.
4084 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
4085 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
4086 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
4087 negdf2, absdf2): Use l instead of f since the double class and
4088 float class are no longer the same.
4089 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
4090 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
4091 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
4092 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
4094 (cmpsi, cmphi, cmpqi): use general_operand instead of
4095 non_immediate_operand. Removes erroneous assumption that can't
4097 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
4098 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
4100 (movstrsi, movstrsi1, movstrsi2): completely new block move
4102 (...): Patterns to exploit multiply-add instructions.
4103 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
4104 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
4105 patterns to exploit extended divide insns.
4106 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
4109 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
4110 float return values as well as simple scalar floats.
4111 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
4112 support new flag to denote 32381 fpu.
4113 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
4114 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
4116 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
4117 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
4118 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
4119 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
4120 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
4121 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
4122 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
4123 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
4124 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
4125 fpu registers and special register classes for new 32381
4126 instructions dotf and polyf.
4127 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
4129 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
4130 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
4132 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
4133 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
4134 (REGISTER_MOVE_COST): move code to register_move_cost function for
4135 ease of coding and debugging.
4136 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
4137 LONG_FLOAT_REGO is likely spilled but not caught by default
4139 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
4140 instead of hard coded numbers in range check.
4141 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
4142 (...): Add prototypes for functions in ns32k.c but disable because
4143 of problems when ns32k.h is included in machine independant files.
4145 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
4146 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
4147 hard_regno_mode_ok, secondary_reload_class,
4148 print_operand, print_operand_address): new register scheme to
4149 include 32381 fpu registers and special register classes for new
4150 32381 instructions dotf and polyf.
4151 (gen_indexed_expr): Make static to keep namespace clean.
4152 (check_reg): remove since never called.
4153 (move_tail, expand_block_move): helper functions for "movstrsi"
4155 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
4156 Increase cost of moves which go via memory.
4157 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
4158 (CPP_PREDEFINES): nolonger predefine "unix".
4160 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
4161 Remove erroneous %$. print_operand() can work out from the rtx is
4162 an immediate prefix is required.
4164 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
4165 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
4166 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
4168 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
4171 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
4172 Correct handling of pic operands.
4173 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
4174 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
4175 -mrtd calling convention.
4177 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
4179 * gcc.c (option_map): Recognize --output-class-directory.
4181 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4183 * loop.h (precondition_loop_p): Added new mode argument.
4184 * unroll.c (precondition_loop_p): Likewise.
4185 (approx_final_value): Function deleted and subsumed
4186 into loop_iterations.
4187 (loop_find_equiv_value): New function.
4188 (loop_iterations): Use loop_find_equiv_value to find increments
4189 too large to be immediate constants. Also use it to find terms
4190 common to initial and final iteration values that can be removed.
4192 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4194 * loop.h (struct loop_info): Define new structure.
4195 (precondition_loop_p): Added prototype.
4196 (unroll_loop): Added new argument loop_info to prototype.
4197 (final_biv_value, final_giv_value): Added new argument n_iterations
4199 * loop.c (strength_reduce): Declare new structure loop_iteration_info
4200 and new pointer loop_info.
4201 (loop_n_iterations): Replace global variable by element in
4202 loop_info structure.
4203 (check_final_value): New argument n_iterations.
4204 (insert_bct): New argument loop_info.
4205 (loop_unroll_factor): Replace global array by element in
4206 loop_info structure.
4207 (loop_optimize): Remove code to allocate and initialise
4208 loop_unroll_factor_array.
4209 * unroll.c (precondition_loop_p): No longer static since
4210 used by branch on count optimization.
4211 (precondition_loop_p, unroll_loop): New argument loop_info.
4212 (final_biv_value, final_giv_value, find_splittable_regs): New
4213 argument n_iterations.
4214 (loop_iteration_var, loop_initial_value, loop_increment,
4215 loop_final_value, loop_comparison_code, loop_unroll_factor):
4216 Replaced global variables by loop_info structure.
4217 (loop_unroll_factor): Replace global array by element in
4218 loop_info structure.
4220 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4222 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
4225 * unroll.c (precondition_loop_p): Return loop_initial_value
4226 for initial_value instead of loop_iteration_var.
4228 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4230 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
4231 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
4232 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
4233 to output the instruction sequences.
4235 (rptb_top): Provide alternatives to use any register or memory
4237 (rptb_end): Emit use of operands rather than assigning them
4238 explicitly to the RS and RE registers.
4240 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4242 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
4243 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
4244 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
4245 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
4246 c4x_merge_notes, c4x_parallel_process,
4247 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
4248 c4x_combine_parallel): Delete.
4250 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4252 * config/c4x/c4x.c: (c4x_override_options): For compatibility
4253 with old target options clear flag_branch_on_count_reg if
4254 -mno-rptb specified and set flag_argument_alias is -mno-aliases
4256 (c4x_output_cbranch): Handle a sequence of insns rather than a
4258 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
4259 has not been allocated as the loop counter.
4260 (c4x_address_conflict): Do not allow two volatile memory references.
4261 (valid_parallel_operands_4, valid_parallel_operands_5,
4262 valid_parallel_operands_6): Reject pattern if the register destination
4263 of the first set is used as part of an address in the second set.
4265 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4267 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
4268 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
4269 is no longer enabled if PARALLEL_MPY_FLAG set.
4270 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
4271 (REG_CLASS_CONTENTS): Add braces around initializers.
4272 (HAVE_MULTIPLE_PACK): Define.
4273 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
4274 REAL_VALUE_TO_DECIMAL.
4275 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
4276 REAL_VALUE_TO_DECIMAL.
4277 (ar0_reg_operand): Add prototype.
4278 (ar0_mem_operand): Likewise.
4279 (ar1_reg_operand): Likewise.
4280 (ar1_mem_operand): Likewise.
4281 (ar2_reg_operand): Likewise.
4282 (ar2_mem_operand): Likewise.
4283 (ar3_reg_operand): Likewise.
4284 (ar3_mem_operand): Likewise.
4285 (ar4_reg_operand): Likewise.
4286 (ar4_mem_operand): Likewise.
4287 (ar5_reg_operand): Likewise.
4288 (ar5_mem_operand): Likewise.
4289 (ar6_reg_operand): Likewise.
4290 (ar6_mem_operand): Likewise.
4291 (ar7_reg_operand): Likewise.
4292 (ar7_mem_operand): Likewise.
4293 (ir0_reg_operand): Likewise.
4294 (ir0_mem_operand): Likewise.
4295 (ir1_reg_operand): Likewise.
4296 (ir1_mem_operand): Likewise.
4297 (group1_reg_operand): Likewise.
4298 (group1_mem_operand): Likewise.
4299 (ir1_reg_operand): Likewise.
4300 (arx_reg_operand): Likewise.
4301 (not_rc_reg): Likewise.
4302 (not_modify_reg): Likewise.
4303 (c4x_group1_reg_operand): Remove prototype.
4304 (c4x_group1_mem_operand): Likewise.
4305 (c4x_arx_reg_operand): Likewise.
4307 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
4309 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
4310 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
4312 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4314 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
4317 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4319 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
4320 unless FMOVD_WORKS is defined.
4322 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4324 * regclass.c (init_reg_sets): Move code that calculates tables
4325 dependent on reg_class_contents from here...
4326 (init_reg_sets_1): To here.
4328 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
4330 * cpplib.h: Delete struct import_file. Add ihash element to
4331 struct cpp_buffer. Delete dont_repeat_files and
4332 import_hash_table elements from cpp_reader; change
4333 all_include_files to a hash table. Delete all foobar_include
4334 / last_foobar_include elements from struct cpp_options; put
4335 back four such: quote_include, bracket_include,
4336 system_include, after_include. Redo struct file_name_list
4337 completely. Add new structure type include_hash. Add
4338 prototypes for merge_include_chains and include_hash. Change
4339 prototypes for finclude, find_include_file, and
4340 append_include_chain to match changes below.
4342 * cppfiles.c (simplify_pathname, include_hash,
4343 remap_filename, merge_include_chains): New functions.
4344 (add_import, lookup_import, open_include_file): Removed.
4345 (INO_T_EQ): Define this (copied from cccp.c).
4346 (hack_vms_include_specification): Remove all calls and #if 0
4347 out the definition. It was being called incorrectly and at
4348 the wrong times. Until a VMSie can look at this, it's better
4349 to not pretend to support it.
4350 (append_include_chain): Change calling convention; now takes
4351 only one directory at a time, and sets up the data structure
4353 (redundant_include_p): Rewritten - this is now used for all
4354 include redundancy, whether by #ifndef, #import, or #pragma
4355 once. Looks up things in the include hash table.
4356 (file_cleanup): Decrement pfile->system_include_depth here if
4358 (find_include_file): Calling convention changed; now passes
4359 around a struct include_hash instead of 3 separate parameters.
4360 Guts ripped out and replaced with new include_hash mechanism.
4361 (finclude): Calling convention changed as for
4362 find_include_file. Error exits pulled out-of-line. Reformat.
4363 (safe_read): Return a long, not an int.
4364 (deps_output): Don't recurse.
4366 * cpplib.c (is_system_include): Deleted.
4367 (path_include): Fix up call to append_include_chain.
4368 (do_include): Fix up calls to find_include_file and finclude.
4369 Clean up dependency output a bit. Shorten obnoxiously lengthy
4370 #import warning message. Don't decrement
4371 pfile->system_include_depth here.
4372 (do_pragma): Understand the include_hash structure. Reformat.
4373 (do_endif): Correct handling of control macros. Understand
4375 (cpp_start_read): Fix up calls to finclude. Call
4376 merge_include_chains.
4377 (cpp_handle_option): Fix up calls to append_include_chain.
4378 Understand the four partial include chains.
4379 (cpp_finish): Add debugging code (#if 0-ed out) for the
4381 (cpp_cleanup): Free the include_hash, not the import hash and
4382 the all_include and dont_repeat lists which no longer exist.
4384 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
4386 * toplev.c (no_new_pseudos): Define.
4387 (rest_of_compilation): Set no_new_pseudos as needed.
4388 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
4389 if no_new_pseudos is set.
4390 * rtl.h (no_new_pseudos): Declare it.
4391 * reload1.c (reload): Update comments.
4392 * md.texi: Corresponding changes.
4394 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4396 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
4397 (choose_reload_regs): Rename it here as well. When computing it,
4398 also merge in used hardregs.
4400 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
4402 * gcc.c: Split out Objective-C specs to...
4403 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
4406 * c-lex.c (init_parse): Always initialize the filename global.
4407 * objc/objc-act.c (lang_init): Always call check_newline at
4410 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
4412 * reload1.c (reload): Remove unused variable.
4413 (reload_reg_free_for_value_p): Add missing parameter definition.
4415 * jump.c (jump_optimize): Remove unused variable.
4417 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
4419 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
4421 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
4423 * expr.c (move_by_pieces): Similarly.
4424 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
4425 * flow.c (find_auto_inc): Similarly.
4426 (try_pre_increment): Similarly.
4427 * loop.c (strength_reduce): Similarly.
4428 * regclass.c (auto_inc_dec_reg_p): Similarly.
4429 * regmove.c (try_auto_increment): Similarly.
4430 (fixup_match_1): Similarly.
4431 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
4432 (HAVE_PRE_DECREMENT): Similarly.
4433 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
4434 * Corresponding changes to all target header files.
4435 * tm.texi: Update docs for autoinc addressing modes.
4437 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
4439 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
4440 * configure: Rebuild.
4441 * config/elfos.h: New file.
4442 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
4443 config/m68k/t-m68kelf: New file.
4445 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
4447 * Makefile.in (HOST_AR): Define.
4448 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
4449 (libcpp.a): Use the host tools explicitly.
4450 (STAGESTUFF): Add libcpp.a.
4452 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
4454 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
4455 to source and destination registers.
4457 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
4459 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
4460 The strategy we now use is to pre allocate the top_elt along
4461 with the EH context so that each thread has its own top_elt.
4462 This is necessary as the dynmanic cleanup chain is used on the
4463 top element of the stack and each thread MUST have its own.
4464 (eh_context_static): Likewise.
4465 (new_eh_context): Likewise.
4466 (__sjthrow): Likewise.
4468 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
4470 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
4471 * i386.md (prologue_get_pc): Remove unused variable.
4473 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
4475 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
4477 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
4479 * Makefile.in (OBJS): Add graph.o
4480 (graph.o): New dependency list.
4481 * flags.h: Declare dump_for_graph and define graph_dump_types type.
4482 * print-rtl.c (dump_for_graph): Define new variable.
4483 (print_rtx): Rewrite to allow use in graph dumping functions.
4484 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
4485 finish_graph_dump_file.
4486 Define graph_dump_format.
4487 (compile_file): If graph dumping is enabled also clear these files.
4488 Finish graph dump files.
4489 (rest_of_compilation): Also dump graph information if enabled.
4490 (main): Recognize -dv to enabled VCG based graph dumping.
4491 * graph.c: New file. Graph dumping functions.
4493 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
4495 * configure.in: Look for <sys/stat.h>.
4496 * system.h: Include it before substitute S_ISREG definitions.
4498 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
4500 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
4501 * config/mips/iris6.h: Same.
4502 * config/mips/mips.md: Same.
4503 * config/mips/mips.c: Same; also add "-mabi=o64" option.
4504 * config/mips/mips.h: Same; also define ABI_O64.
4506 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4508 * configure.in: Use AC_PREREQ(2.12.1).
4510 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
4512 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
4513 * cpplib.c, gcc.c: Likewise.
4514 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
4516 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
4518 * local-alloc.c (local_alloc): Use malloc not alloca for
4519 reg_qty, reg_offset, ref_next_in_qty.
4521 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4523 * caller-save.c (insert_one_insn): Initialize the live_before and
4524 live_after register sets.
4528 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
4529 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
4530 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
4531 (fp_reg_names, assembler_dialect): New variables.
4532 (print_operand_address): Handle SUBREGs.
4533 (print_operand): Added 'o' case.
4534 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
4535 Name of FP registers depends on mode.
4536 (expand_block_move): Emit different code for SH4 hardware.
4537 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
4538 (from_compare): Likewise.
4539 (add_constant): New argument last_value. Changed all callers.
4540 (find_barrier): Don't try HImode load for FPUL_REG.
4541 (machine_dependent_reorg): Likewise.
4542 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
4543 (gen_far_branch): Emit a barrier after the new jump.
4544 (barrier_align): Don't trust instruction lengths before
4546 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
4547 Use auto-inc addressing for fp registers if doubles need to
4548 be loaded in two steps.
4549 Set sh_flag_remove_dead_before_cse.
4550 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
4551 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
4552 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
4553 Support for FIRST_XD_REG .. LAST_XD_REG.
4554 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
4555 (sh_expand_epilogue): Likewise.
4556 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
4557 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
4558 (arith_reg_operand): FPUL_REG is OK for SH4.
4559 (fp_arith_reg_operand, fp_extended_operand) New functions.
4560 (tertiary_reload_operand, fpscr_operand): Likewise.
4561 (commutative_float_operator, noncommutative_float_operator): Likewise.
4562 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
4563 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
4564 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
4565 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
4566 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
4567 (CONDITIONAL_REGISTER_USAGE): Likewise.
4568 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
4569 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
4570 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
4571 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
4572 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
4573 to -1 and sh_flag_remove_dead_before_cse to 1.
4574 (ASSEMBLER_DIALECT): Define to assembler_dialect.
4575 (assembler_dialect, fp_reg_names): Declare.
4576 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
4577 Hide names of registers that are not accessible.
4578 (CACHE_LOG): Take TARGET_CACHE32 into account.
4579 (LOOP_ALIGN): Take TARGET_HARWARD into account.
4580 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
4581 (FIRST_PSEUDO_REGISTER: Now 49.
4582 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
4583 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
4584 (HARD_REGNO_MODE_OK): Update.
4585 (enum reg_class): Add DF_REGS and FPSCR_REGS.
4586 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
4587 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
4588 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
4589 (NPARM_REGS): Eight floating point parameter registers on SH4.
4590 (BASE_RETURN_VALUE_REG): SH4 also passes double values
4591 in floating point registers.
4592 (GET_SH_ARG_CLASS) Likewise.
4593 Complex float types are also returned in float registers.
4594 (BASE_ARG_REG): Complex float types are also passes in float registers.
4595 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
4596 (LIBCALL_VALUE): Remove trailing semicolon.
4597 (ROUND_REG): Round when double precision value is passed in floating
4599 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
4600 passed on the stack.
4601 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
4602 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
4603 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
4604 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
4605 (MODE_DISP_OK_8): Not for SH4 DFmode.
4606 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
4607 Allow indexed addressing for PSImode after reload.
4608 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
4609 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
4610 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
4611 (DOUBLE_TYPE_SIZE): 64 for SH4.
4612 (RTX_COSTS): Add PLUS case.
4613 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
4614 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
4615 MAC_REGS, PR_REGS, DF_REGS.
4616 (REGISTER_NAMES): Use fp_reg_names.
4617 (enum processor_type): Add PROCESSOR_SH4.
4618 (sh_flag_remove_dead_before_cse): Declare.
4619 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
4620 (PREDICATE_CODES): Add binary_float_operator,
4621 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
4622 fpscr_operand, noncommutative_float_operator.
4623 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
4624 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
4625 * sh.md (attribute cpu): Add value sh4.
4626 (attrbutes fmovd, issues): Define.
4627 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
4628 (function units memory, int, mpy, fp): Make dependent on issue rate.
4629 (function units issue, single_issue, load_si, load): Define.
4630 (function units load_store, fdiv, gp_fpul): Define.
4631 (attribute hit_stack): Provide proper default.
4632 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
4633 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
4634 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
4635 (mulsi3_call): Now uses match_operand for function address.
4636 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
4638 (push, pop, push_e, pop_e): Now define_expands.
4639 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
4640 (movsi_ie): Added y/i alternative.
4641 (ic_invalidate_line_i, movdf_i4): New insns.
4642 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
4643 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
4644 (movdf): Add special code for SH4.
4645 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
4646 (call_valuei, calli, call_value): Likewise.
4647 (movsf): Emit no-op move.
4648 (mov_nop, movsi_y): New insns.
4649 (blt, sge): generalize to handle DFmode.
4650 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
4651 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
4652 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
4653 (fpu_switch0, fpu_switch1, movpsi): New expanders.
4654 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
4655 (toggle_sz): New insn.
4656 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
4657 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
4658 (macsf3): Make use of fpscr visible. Disable for SH4.
4659 (floatsisf2): Make use of fpscr visible.
4660 (floatsisf2_i4): New insn.
4661 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
4662 (ieee_ccmpeqsf_t): Likewise.
4663 (fix_truncsfsi2): Emit different code for SH4.
4664 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
4665 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
4666 (negsf2, sqrtsf2, abssf2): Now expanders.
4667 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
4668 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
4669 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
4670 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
4671 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
4672 (fix_truncdfsi2_i4_2+1): New splitters.
4673 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
4674 (extendsfdf2, truncdfsf2): New expanders.
4675 (truncdfsf2_i4): New insn.
4676 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
4677 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
4678 * float-sh.h: When testing for __SH3E__, also test for
4679 __SH4_SINGLE_ONLY__ .
4680 * va-sh.h (__va_freg): Define to float.
4681 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
4682 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
4683 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
4684 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
4686 (TARGET_SH4_P): Define.
4689 * sh.md (movdf_k, movsf_i): Tweak the condition so that
4690 init_expr_once is satisfied about the existence of load / store insns.
4692 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
4693 change m constraint in source operand to mr / mf .
4695 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
4697 * (__VA_REEF): Define.
4698 (__va_arg_sh1): Use it.
4700 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
4702 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
4704 * i386/dgux.c (struct option): Add new "description field".
4705 * m88k/m88k.c (struct option): Likewise.
4707 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
4709 * version.c: Bump for snapshot.
4711 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4713 * regmove.c (regmove_profitable_p): Use return value of find_matches
4716 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
4718 * version.c: Bump for snapshot.
4720 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
4722 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
4723 without reload having been called earlier.
4725 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
4727 (v850_reorg): Similarly.
4729 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
4731 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4733 * loop.c (move_movables): Start of libcall might be new loop start.
4735 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4737 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
4739 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4741 * function.c (nonlocal_goto_handler_slots): Renamed from
4742 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
4743 (push_function_context_to): Adjust for this change.
4744 (pop_function_context_from): Likewise.
4745 (init_function_start): Likewise.
4746 (expand_function_end): Likewise.
4747 * function.h (struct function): Likewise.
4748 * calls.c (expand_call): Likewise.
4749 * explow.c (allocate_dynamic_stack_space): Likewise.
4750 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
4751 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
4753 (expand_goto): When doing a nonlocal goto, find corresponding handler
4754 slot for it. Don't put the label address in the static chain register.
4755 (expand_end_bindings): Break out nonlocal goto handling code into
4756 three new functions.
4757 (expand_nl_handler_label, expand_nl_goto_receiver,
4758 expand_nl_goto_receivers): New static functions, broken out of
4759 expand_end_bindings and adapted to create one handler per nonlocal
4761 * function.c (delete_handlers): Delete insn if it references any of
4762 the nonlocal goto handler slots.
4763 * i960.md (nonlocal_goto): Comment out code that modifies
4765 * sparc.md (nonlocal_goto): Likewise.
4766 (goto_handler_and_restore_v9): Comment out.
4767 (goto_handler_and_restore_v9_sp64): Comment out.
4769 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4771 * expr.c (STACK_BYTES): Delete unused macro.
4772 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
4773 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
4774 (expand_call): Likewise.
4775 (emit_library_call): Likewise.
4776 (emit_library_call_value): Likewise.
4777 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
4778 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
4779 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
4780 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
4781 (allocate_dynamic_stack_space): Likewise.
4782 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
4783 (STACK_BOUNDARY): Update description to reflect the new situation.
4785 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
4787 * reorg.c (relax_delay_slots): When optimizing for code size, if a
4788 return with a filled delay slot is followed by a return with an
4789 unfilled delay slot, delete the first return and reemit the insn
4790 that was previously in its delay slot.
4792 * i860.c (single_insn_src_p): Add missing parens.
4793 * ginclude/math-3300.h: Likewise.
4795 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
4797 * regclass.c (init_reg_sets_1): Add prototype.
4798 (init_reg_modes): Likewise.
4800 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
4802 * c-common.c: Change warning messages to say `comparison is
4803 always true' or `comparison is always false' instead of the
4804 confusing `is always 0', `is always 1'.
4806 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
4808 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
4809 break instead of return (which loses closing '>').
4811 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
4813 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
4814 standard 387 constants.
4816 * i386.md (jump): Explicitly set "memory" attribute.
4817 (indirect_jump, prologue_set_stack_ptr): Likewise.
4818 (prologue_get_pc_and_set_got, pop): Likewise.
4819 (allocate_stack_worder, blockage, return_internal): Likewise.
4820 (return_pop_internal, nop): Likewise.
4821 (epilogue_set_stack_ptr, leave): Likewise.
4823 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
4825 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
4827 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4829 * reload1.c (reload_reg_free_for_value_p):
4830 Early auto_inc reloads don't conflict with outputs.
4832 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4834 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
4835 Instead call AC_HEADER_SYS_WAIT.
4837 * collect2.c: Don't provide defaults for sys/wait.h macros.
4839 * protoize.c: Likewise. Also, don't include sys/wait.h.
4841 * system.h: Include sys/wait.h and provide macro defaults.
4843 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4845 * Makefile.in (mandir): Set to @mandir@.
4846 (man1dir): New variable to hold the former value of $(mandir).
4847 Replace all uses of $(mandir) by $(man1dir).
4849 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
4851 * reload.c (find_reloads_address_part): If have a CONST_INT, create
4852 a new one before passing it to force_const_mem.
4854 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
4855 find_reloads_address call.
4857 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4859 * expr.c (store_expr): Don't generate load-store pair
4860 if TEMP is identical (according to ==) with TARGET.
4862 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4864 * reload1.c (reload_reg_free_for_value_p): When considered reload
4865 has an output, matching inputs are not sufficient to avoid conflict.
4867 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
4869 * hash.h (hash_table_key): New type.
4870 (hash_entry): Change `string' field to generic `key'.
4871 (hash_table): Add `comp' and `hash' functions.
4872 (hash_table_init): Take them as input.
4873 (hash_table_init_n): Likewise.
4874 (hash_lookup): Modify for generic keys.
4875 (hash_newfunc): Likewise.
4876 (hash_traverse): Likewise.
4877 (string_hash): New function.
4878 (string_compare): Likewise.
4879 (string_copy): Likewise.
4880 * hash.c (hash_table_init_n): Modify for generic keys.
4881 (hash_table_init): Likewise.
4882 (hash_lookup): Likewise.
4883 (hash_newfunc): Likewise.
4884 (hash_traverse): Likewise.
4885 (string_hash): Split out from hash_lookup.
4886 (string_compare): New function.
4887 (string_copy): Split out from hash_lookup.
4888 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
4890 (symbol_hash_lookup): Likewise.
4891 (file_hash_newfunc): Likewise.
4892 (file_hash_lookup): Likewise.
4893 (demangled_hash_newfunc): Likewise.
4894 (demangled_hash_lookup): Likewise.
4895 (tlink_int): Likewise.
4896 (read_repo_file): Likewise.
4897 (recompile_files): Likewise.
4898 (demangle_new_symbols): Likewise.
4899 (scan_linker_output): Likewise.
4901 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4903 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
4905 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
4907 * rs6000.c (output_mi_thunk): Improve test for local branch.
4909 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4911 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
4913 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4915 * reload1.c (reload_reg_free_before_p): Delete.
4916 Changed all callers to use reload_reg_free_for_value_p instead.
4917 (reload_reg_free_for_value_p): Handle more reload types.
4918 A RELOAD_FOR_INPUT doesn't conflict with its
4919 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
4920 Add special case for OUT == const0_rtx.
4921 Added ignore_address_reloads argument. Changed all callers.
4923 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
4925 * toplev.c (compile_file): Don't pedwarn about undefined static
4926 functions just because we passed -Wunused.
4928 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4930 * function.c (purge_addressof_1): Unshare rtl created by
4933 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4935 * regmove.c (regmove_optimize): Don't do anything but
4936 optimize_reg_copy[123] when flag_regmove is not set.
4938 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
4940 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
4941 value in paradoxical SImode result, rather than truncating midpoint.
4943 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
4945 * alpha.c (reg_not_elim_operand): New.
4946 * alpha.h (PREDICATE_CODES): Add it.
4947 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
4948 for the multiplicand.
4950 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
4952 * rs6000.md (movsf): Remove explicit secondary-reload-like
4953 functionality. Only truncate SFmode store if in FPR.
4954 (movsf splitters): Combine const_double splitters.
4955 (movsf_hardfloat): Add GPR support.
4957 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
4959 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
4960 deprecate -mlive-g0 and -mbroken-saverestore.
4961 * t-splet (MULTILIB_OPTIONS): Likewise.
4963 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
4964 in a leaf function. Clarify total_size/extra_size relationship.
4966 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
4968 * i386/cygwin32.asm: Delete.
4969 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
4970 * i386/cygwin32.h: Delete.
4971 * i386/cygwin.h: New file, renamed from cygwin32.h.
4972 * i386/t-cygwin32: Delete.
4973 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
4974 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
4975 * i386/x-cygwin32: Delete.
4976 * i386/x-cygwin: New file, renamed from x-cygwin32.
4977 * i386/xm-cygwin32: Delete.
4978 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
4979 renamed cygwin_ funcs for path translations.
4980 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
4981 * i386/winnt.c: Remove "32" from comment about cygwin.
4982 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
4983 * rs6000/cygwin32.h: Delete.
4984 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
4985 -D__CYGWIN__ to CPP_PREDEFINES.
4986 * rs6000/x-cygwin32: Delete.
4987 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
4988 * rs6000/xm-cygwin32: Delete.
4989 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
4991 * configure.in: Check for cygwin* instead of cygwin32. Account
4992 for the rename of cygwin-related config files to lose the "32"s.
4993 * configure: Regenerate.
4995 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
4996 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
4998 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
5000 * Makefile.in (JAVAGC): New macro.
5001 * configure: Rebuilt.
5002 * configure.in: Recognize --enable-java-gc argument. Subst
5005 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5007 Handle equivalences that have been obscured by gcse:
5009 * reload1.c (reload): Handle equivalences set up in multiple places.
5010 * local-alloc.c (reg_equiv_init_insns): New variable.
5011 (no_equiv): New function.
5012 (update_equiv_regs): Handle equivalences set up in multiple places.
5013 Don't ignore an insn just because its destination is likely to be
5016 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
5018 * except.c (expand_eh_return): Readd force_operand call lost in
5021 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
5023 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
5025 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5027 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
5029 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5031 * regmove.c (regmove_optimize): Fix error in last change.
5033 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
5035 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
5036 offset in the .mask pseudo to compensate for frame pointer adjustments.
5037 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
5038 word swap arguments moved to/from FP registers.
5039 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
5041 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
5043 * version.c: Bump for snapshot.
5045 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
5047 * version.c: Bump for snapshot.
5049 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
5051 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
5052 times, then it can not be completely replaced.
5054 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
5056 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
5058 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5060 * gansidecl.h: Prepend a "G" to the macro wrapping this file
5061 (to distinguish it from the macro wrapping ansidecl.h.)
5062 Include libiberty's ansidecl.h. Remove all redundant definitions.
5063 Define the PROTO() style macros in terms of the PARAMS() ones.
5066 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
5067 __STDC__, when deciding whether to use ANSI variable args.
5068 (emit_library_call_value): Likewise.
5070 * cccp.c (error): Likewise.
5071 (warning): Likewise.
5072 (error_with_line): Likewise.
5073 (warning_with_line): Likewise.
5074 (pedwarn): Likewise.
5075 (pedwarn_with_line): Likewise.
5076 (pedwarn_with_file_and_line): Likewise.
5079 * cexp.y (error): Likewise.
5080 (pedwarn): Likewise.
5081 (warning): Likewise.
5083 * collect2.c (fatal_perror): Likewise.
5087 * combine.c (gen_rtx_combine): Likewise.
5089 * cpperror.c (cpp_message): Likewise.
5090 (cpp_fatal): Likewise.
5092 * cpplib.c (cpp_error): Likewise.
5093 (cpp_warning): Likewise.
5094 (cpp_pedwarn): Likewise.
5095 (cpp_error_with_line): Likewise.
5096 (cpp_warning_with_line): Likewise.
5097 (cpp_pedwarn_with_line): Likewise.
5098 (cpp_pedwarn_with_file_and_line): Likewise.
5100 * cpplib.h: Don't define PARAMS() macro.
5102 * demangle.h: Likewise.
5104 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
5105 when deciding whether to use ANSI variable args.
5107 * emit-rtl.c (gen_rtx): Likewise.
5108 (gen_rtvec): Likewise.
5110 * final.c (asm_fprintf): Likewise.
5112 * fix-header.c (cpp_message): Likewise.
5114 (cpp_fatal): Likewise.
5116 * gcc.c (concat): Likewise.
5120 * genattr.c (fatal): Likewise.
5122 * genattrtab.c (attr_rtx): Likewise.
5123 (attr_printf): Likewise.
5126 * gencodes.c (fatal): Likewise.
5128 * genconfig.c (fatal): Likewise.
5130 * genemit.c (fatal): Likewise.
5132 * genextract.c (fatal): Likewise.
5134 * genflags.c (fatal): Likewise.
5136 * genopinit.c (fatal): Likewise.
5138 * genoutput.c (fatal): Likewise.
5141 * genpeep.c (fatal): Likewise.
5143 * genrecog.c (fatal): Likewise.
5145 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
5146 deciding whether to declare `tree_node' and `rtx_def'.
5148 * hash.h: Don't define stuff we get from gansidecl.h.
5150 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
5151 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
5152 whether to use ANSI variable args.
5155 * prefix.c (concat): Likewise.
5159 * system.h: Likewise.
5161 * toplev.c (error_with_file_and_line): Likewise.
5162 (error_with_decl): Likewise.
5163 (error_for_asm): Likewise.
5166 (warning_with_file_and_line): Likewise.
5167 (warning_with_decl): Likewise.
5168 (warning_for_asm): Likewise.
5169 (warning): Likewise.
5170 (pedwarn): Likewise.
5171 (pedwarn_with_decl): Likewise.
5172 (pedwarn_with_file_and_line): Likewise.
5174 (really_sorry): Likewise.
5176 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
5177 whether to declare `tree_node' and `rtx_def'.
5179 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
5180 deciding whether to use ANSI variable args.
5181 (build_nt): Likewise.
5182 (build_parse_node): Likewise.
5184 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
5186 * version.c: Bump for snapshot.
5188 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5190 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
5192 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
5194 * collect2.c (main, case 'b'): Use else if.
5196 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5198 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
5199 Arrange to include gansidecl.h in {ht}config.h & tm.h just
5200 before the config/ directory headers.
5201 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
5202 gansidecl.h in the list of dependencies.
5204 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
5205 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
5206 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
5207 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
5208 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
5209 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
5212 * cccp.c: Don't include gansidecl.h.
5214 * collect2.c: Likewise.
5215 * config/c4x/c4x.c: Likewise.
5216 * config/v850/v850.h: Likewise.
5217 * cppalloc.c: Likewise.
5218 * cpperror.c: Likewise.
5219 * cppexp.c: Likewise.
5220 * cppfiles.c: Likewise.
5221 * cpphash.c: Likewise.
5222 * cpplib.c: Likewise.
5223 * cppmain.c: Likewise.
5224 * cppulp.c: Likewise.
5225 * demangle.h: Likewise.
5226 * doprint.c: Likewise.
5227 * dyn-string.c: Likewise.
5228 * eh-common.h: Likewise.
5229 * fix-header.c: Likewise.
5230 * frame.c: Likewise.
5233 * gen-protos.c: Likewise.
5234 * gencheck.c: Likewise.
5235 * halfpic.h: Likewise.
5237 * machmode.h: Likewise.
5238 * mbchar.c: Likewise.
5239 * prefix.c: Likewise.
5240 * protoize.c: Likewise.
5241 * recog.h: Likewise.
5243 * scan-decls.c: Likewise.
5245 * varray.h: Likewise.
5247 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
5249 * i386.md (call_value_pop): If we're not popping anything,
5250 defer to call_value.
5251 (call_pop): Likewise defer to call.
5253 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
5255 * function.c (purge_addressof): Clear purge_addressof_replacements
5256 only after processing the whole function.
5258 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
5260 * reload1.c (reload): If we can not perform a particular elimination
5261 when we thought we could earlier, then we must always iterate through
5262 the loop at least one more time.
5264 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
5266 * alpha.c (add_operand): Simplify the CONST_INT match.
5267 (sext_add_operand): Correct typo in comparison by using
5268 CONST_OK_FOR_LETTER_P.
5269 * alpha.md (s?addq): Use sext_add_operand to allow the negative
5270 constant alternatives to be generated.
5271 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
5272 small constants, since the hw instructions do.
5274 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5276 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
5277 previous insn to store directly into our reload register, make sure
5278 that if the source of the previous insn is a reload register, its
5279 spill_reg_store and spill_reg_stored_to values are cleared.
5281 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
5283 * rs6000.md (floatunssidf2_internal splitter): Use base register
5284 operand, not hard-coded SP.
5286 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5288 * jump.c (calculate_can_reach_end): Fix thinko.
5290 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
5292 * reorg.c (fill_simple_delay_slots): Fix typo.
5294 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
5296 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
5298 * i386.md (extendsidi2): Use # in the output template.
5299 (extendsidi splitters): New splitters.
5301 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
5303 * configure.in: Use unknown-elf.h as tm_file for arm-elf
5305 * configure: Regenerate.
5307 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5309 * jump.c (init_label_info, delete_barrier_successors,
5310 mark_all_labels, delete_unreferenced_labels,
5311 delete_noop_moves, calculate_can_reach_end): New functions broken
5312 out of jump_optimize.
5313 (jump_optimize): Use them.
5315 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5317 * except.c (expand_fixup_region_end): Make sure outer context labels
5318 are not issued in an inner context during cleanups.
5320 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
5322 * alpha.md (addsi3, subsi3): No new temporaries once cse is
5325 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
5327 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
5328 to expose this midpoint to CSE.
5330 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5332 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
5334 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5336 * configure.in: Bring over gcc2 change of Nov 19 1997.
5338 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
5340 * toplev.c (output_lang_identify): Make definition dependent on
5341 ASM_IDENTIFY_LANGUAGE.
5343 * print-rtl.c (spaces): Make static.
5345 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
5347 * extend.texi: Clarify proper uses for register clobbers in asms.
5349 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5351 * recog.h (enum op_type): Define.
5352 (constrain_operands): Adjust prototype.
5353 (recog_op_type): Declare new variable.
5354 * recog.c (recog_op_type): New variable.
5355 (insn_invalid_p): Allow modifying an asm statement after reload.
5356 (extract_insn): Set up recog_op_type.
5357 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
5358 Don't compute operand types, use recog_op_type.
5359 Use the information computed by extract_insn instead of the previous
5360 method of finding it by insn code number.
5361 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
5362 * reorg.c (fill_slots_from_thread): Likewise.
5363 * reload1.c (reload_as_needed): Likewise.
5364 (gen_reload): Likewise.
5365 (inc_for_reload): Likewise.
5366 (reload_cse_simplify_operands): Likewise.
5367 Use the information computed by extract_insn instead of the previous
5368 method of finding it by insn code number.
5369 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
5371 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
5372 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
5373 Use the information computed by extract_insn instead of the previous
5374 method of finding it by insn code number.
5375 * regmove.c (find_matches): Likewise. Change meaning of the return
5376 value to be nonzero if the optimization can be performed, zero if
5377 not. All callers changed.
5378 Shorten some variable names to fix formatting problems.
5379 (regmove_optimize): Shorten some variable names to fix formatting
5381 Use the information computed by extract_insn instead of the previous
5382 method of finding it by insn code number.
5383 * regclass.c (scan_one_insn): Likewise.
5384 (record_reg_classes): Don't compute operand types, use recog_op_type.
5385 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
5386 recog_constraints instead.
5388 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
5390 * rtl.h (flow2_completed): Declare.
5391 * flow.c (flow2_completed): Definition.
5392 * toplev.c (rest_of_compilation): Set and clear flow2_completed
5395 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
5397 * Makefile.in (libcpp.a): Ranlib libcpp.a
5399 * cppulp.c (user_label_prefix): Initialize.
5401 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
5403 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
5404 at a RETURN if current_function_sp_is_unchanging is set.
5406 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5408 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
5410 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
5412 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
5413 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
5414 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
5415 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
5416 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
5417 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
5419 (LIB_SPEC): Handle -mno-cyginw option.
5420 (LINK_SPEC): Handle -mdll.
5422 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5424 * reload.c (find_reloads): Fix test for usage by other reload
5425 to handle secondary reloads properly.
5427 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5429 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
5430 intermediate structure which has exactly the members provided by
5431 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
5432 static intermediate structure.
5434 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
5435 from the intermediate structure. Do the same analogous fix in
5436 the case where ELIMINABLE_REGS is not defined.
5438 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
5440 * pa.h (SELECT_SECTION): Fix thinko.
5442 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
5444 * dwarf2out.c (output_call_frame_info): Comments on last change.
5446 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
5448 * arm.c (add_constant): When taking the address of an item in the
5449 pool, get the mode of the item addressed.
5451 * arm.c (final_prescan_insn case INSN): If an insn doesn't
5452 contain a SET or a PARALLEL, don't consider it for conditional
5455 Restore ABI compatibility for NetBSD.
5456 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
5458 (RETURN_IN_MEMORY): Likewise.
5460 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
5462 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
5463 (m32r_output_block_move): Rewrite bytes < 4 handling.
5465 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5467 * configure.in: Call AC_FUNC_VFORK.
5469 * collect2.c: Define VFORK_STRING as a printable string for
5470 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
5471 defined, include vfork.h. If VMS is defined, define vfork()
5472 appropriately. Remove vfork check on USG, we're using autoconf.
5473 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
5474 checking locally what string to pass.
5475 (scan_prog_file): Likewise.
5476 (scan_libraries): Likewise.
5478 * gcc.c: Remove vfork check on USG, we're using autoconf.
5479 Besides, no calls to vfork/fork occur in this file.
5481 * protoize.c: Likewise.
5483 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5485 * configure.in (DEFAULT_LINKER): renamed from LD
5486 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
5487 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
5488 * configure: rebuilt
5490 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5492 * BUGS: fix the regexp for `more' to find the appropriate node.
5493 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
5495 * BUGS: added link to the WWW FAQ
5497 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
5499 * version.c: Bump for snapshot.
5501 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
5503 * From Christian Gafton:
5504 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
5505 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
5506 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
5508 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
5510 * c-common.c (c_get_alias_set): Allow all type-punning through
5511 unions. Don't get confused about the type of a bit-field, despite
5512 the antics of build_modify_expr.
5514 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
5516 * fixinc.sco: Paramaterize #include_next values.
5517 * fixinc/fixinc.sco: Likewise.
5519 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
5521 * toplev.c (rest_of_compilation): No longer set reload_completed.
5522 * reload1.c (reload): Set it here. Perform instruction splitting
5523 after reload has completed if we will be running the scheduler
5526 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
5528 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
5529 EH region if exceptions are enabled and we're performing cross
5531 (find_cross_jump): Exit loop if the insns are in different EH regions.
5533 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
5535 * dwarf2out.c (output_call_frame_info): Use
5536 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
5538 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5540 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
5541 * c-common.c (check_format_info): Don't check for the 'x'
5542 format character twice, instead check for 'x' and 'X'
5544 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
5546 * configure.in (assembler features): Also make gas is configured if
5547 we find it in the souce tree.
5549 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
5551 * i386.c (i386_comp_type_attributes): Compare whether the
5552 attributes are defined, not their tree nodes.
5554 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5556 * configure.in (gxx_include_dir): bitten by autoconf quoting
5558 * configure: rebuilt
5560 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5562 * configure.in: Ignore non-absolute value in $AS.
5564 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
5566 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
5568 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
5570 * configure.in (msdosdjgpp): Set exeext and target_alias.
5572 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5574 * flow.c (XNMALLOC): New macro.
5575 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
5577 (add_edge, add_edge_to_label): New static functions.
5578 (free_bb_memory): New function.
5579 (flow_delete_insn): Delete function.
5580 (basic_block_drops_in): Delete variable.
5581 (find_basic_blocks): Allocate and initialize basic_block_head,
5582 basic_block_succ. Don't allocate basic_block_drops_in.
5583 Call free_bb_memory at the beginning.
5584 (find_basic_blocks_1): Don't do multiple passes.
5585 Delete code to compute basic_block_drops_in.
5586 After calling make_edges, mark blocks reached by current block live.
5587 Update test for unreachable live blocks.
5588 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
5590 Simplify to call add_edge_to_label when a LABEL_REF is found.
5591 (make_edges): Simplify to call add_edge_to_label instead of
5592 mark_label_ref most of the time.
5593 Compute here whether control drops into the next block.
5594 (delete_unreachable_blocks): Return void. All callers changed.
5595 Delete unreachable blocks in reverse order.
5596 After deleting all unreachable blocks, renumber the remaining ones
5597 and update n_basic_blocks.
5598 (delete_block): Speed up deletion a bit.
5599 Don't set basic_block_drops_in for deleted blocks.
5600 (free_basic_block_vars): Don't free basic_block_drops_in.
5601 (life_analysis_1): Update to use new edge representation.
5602 (dump_flow_info): Delete code to print basic block info; call
5603 dump_bb_data instead.
5604 (compute_preds_succs): Delete code to recompute basic_block_drops_in
5605 and uid_block_number.
5606 Simply copy the previously computed cfg.
5607 (dump_bb_data): New arg LIVE_INFO. All callers changed.
5608 Print register lifetime information if LIVE_INFO is nonzero.
5609 * basic-block.h (dump_bb_data): Adjust prototype.
5610 * gcse.c (gcse_main): Update call to dump_bb_data.
5611 * rtl.h (free_bb_memory): Declare.
5612 * toplev.c (rest_of_compilation): Call free_bb_memory.
5614 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
5615 (update_eliminable_offsets): Don't compute it.
5616 (set_initial_elim_offsets): Don't initialize it.
5617 Break out some code into set_initial_label_offsets so the rest of
5618 this function can be called from reload_as_needed.
5619 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
5620 ELIMINABLE_REGS isn't.
5621 (set_initial_label_offsets): New function, broken out of
5622 set_initial_elim_offsets.
5623 (set_offsets_for_label): New function, broken out of set_label_offsets
5624 and reload_as_needed.
5625 (reload): Call the two new functions.
5626 (reload_as_needed): Call set_initial_elim_offsets instead of
5627 duplicating the code. Likewise for set_offsets_for_label.
5629 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
5630 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
5631 any hard reg, reg_reloaded_dead contains valid data.
5633 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
5635 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
5636 "stdcall" and "cdecl" attributes.
5638 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
5640 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
5641 handle deleted no-op moves of hard registers.
5642 * haifa-sched.c (update_flow_info): Likewise.
5644 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
5646 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
5647 of the sequences to reload the HILO register which do not actually
5650 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
5652 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
5654 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
5656 * except.c (emit_eh_context): Make the EH context register stay alive
5657 at -O0 so stupid.c doesn't get confused.
5659 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5661 * emit-rtl.c (try_split): Do not try to split a BARRIER.
5663 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
5664 Jeffrey A Law (law@cygnus.com)
5666 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
5667 (zero_extendsidi2): Use # in output template and handle completely by
5669 (zero_extend splitters): New define_splits.
5670 (ashiftrt_32): New pattern.
5672 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
5674 * tree.c (append_random_chars): New fn.
5675 (get_file_function_name_long): Use it.
5677 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
5679 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
5680 (LIBCPP_OBJS): New. Add cppulp.o.
5681 (cppmain, fix-header): Depend on and use libcpp.a.
5682 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
5683 of the individual object files.
5684 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
5687 * cccp.c (user_label_prefix): New.
5688 (main): Set it off -f*leading-underscore.
5689 (special_symbol): Use it.
5690 * cpplib.c (special_symbol): Likewise.
5691 (cpp_handle_option): Handle -f*leading-underscore.
5692 * cppulp.c: New file.
5694 * output.h (user_label_prefix): Declare it.
5695 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
5696 * toplev.c (f_options, main): Handle -f*leading-underscore.
5698 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
5699 referencing USER_LABEL_PREFIX directly.
5700 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
5701 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
5702 * final.c (asm_fprintf): Use user_label_prefix instead.
5703 * arm/thumb.c (thumb_print_operand): Likewise.
5705 * gcc.c (default_compilers): Pass -f*leading-underscore on to
5706 cpp wherever appropriate.
5708 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
5710 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
5711 specific compiler switches.
5713 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
5715 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
5718 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5720 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
5721 structure which has exactly the members provided by EXTRA_SPECS.
5722 Xmalloc() the real `extra_specs', and initialize it from this
5723 intermediate structure.
5725 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
5727 * mips.h (EXTRA_SPECS): Likewise.
5729 * sparc.h (EXTRA_SPECS): Likewise.
5731 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5733 * function.c (purge_addressof_1): Instead of aborting when a
5734 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
5735 work just put the ADDRESSOF on stack. Otherwise remember all such
5736 successfull replacements, so that exactly the same replacements
5737 can be made on the REG_NOTEs. Remove the special case for CALL
5739 (purge_addressof_replacements): New variable.
5740 (purge_addressof): Clear it at end.
5742 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
5744 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
5745 (lang_init): Call check_newline always.
5746 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
5747 cpp_start_read, set yy_cur and yy_lim to read from
5748 parse_in.token_buffer, so that we'll see the first #line
5750 * cpplib.c (cpp_start_read): finclude the main input file
5751 before processing -include/-imacros. Process -imacros and
5752 -include separately, and handle -include by stacking a
5753 buffer for the file in question as if it'd been #included.
5754 * toplev.c (documented_lang_options) Recognize -H when
5757 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
5759 * cpplib.c: Merge do_once into do_pragma. Break file handling
5760 code out of do_include.
5761 Move append_include_chain, deps_output,
5762 file_cleanup, redundant_include_p, import_hash,
5763 lookup_import, add_import, read_filename_string, read_name_map,
5764 open_include_file, finclude, safe_read to cppfiles.c.
5765 Move prototypes for deps_output, append_include_chain,
5766 finclude to cpplib.h. Move definition of struct
5767 file_name_list there also.
5769 * cppfiles.c: New file. Contains all the above functions
5770 broken out of cpplib.c; also hack_vms_include_specification
5771 from cccp.c and find_include_file, a new function broken out of
5774 * Makefile.in (cppmain): Depend on cppfiles.o.
5775 (fix-header): Likewise.
5776 (cppfiles.o): New target.
5777 * configure.in (--enable-c-cpplib): Add cppfiles.o to
5778 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
5780 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
5782 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
5783 if pending_types is non-zero.
5784 (dwarfout_finish): Verify pending_types is zero before finishing.
5786 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
5788 * expr.c (convert_move): Use shifts to perform the move if a
5789 suitable extend pattern cannot be found. Code written by
5790 Richard Henderson <rth@cygnus.com>.
5792 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5794 * regclass.c (renumber, regno_allocated): New static variables, moved
5795 out of allocate_reg_info.
5796 (allocate_reg_info): Move these two variables outside the function.
5797 Move code to free memory into new function free_reg_info.
5798 (free_reg_info): New function, broken out of allocate_reg_info.
5799 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
5800 * rtl.h (allocate_reg_info): Don't declare.
5801 (free_reg_info): Declare.
5803 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
5805 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
5807 * toplev.c (compile_file): Temporarily revert last change.
5809 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
5811 * c-typeck.c (convert_for_assignment): Parenthesize.
5813 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
5815 * reload1.c (delete_output_reload): Avoid ambigous else.
5817 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
5819 * toplev.c (compile_file): Call allocate_reg_info to free register
5821 * rtl.h (allocate_reg_info): Declare.
5823 * PROJECTS: Remove entry for local spilling.
5825 * final.c (cleanup_subreg_operands): New function.
5826 (final_scan_insn): Use it.
5827 (alter_subreg): Clear the "used" field when we turn a SUBREG into
5829 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
5830 operands when reload has finished.
5831 * reload.h (cleanup_subreg_operands): Declare..
5832 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
5833 reload. Handled in reload itself.
5835 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
5837 * reload1.c (verify_initial_offsets): New function.
5838 (reload): Call it after reload_as_needed. Also verify that the frame
5839 size stays constant during reload_as_needed.
5840 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
5842 * reload.h (struct insn_chain): Add need_operand_change element.
5843 * reload1.c (new_insn_chain): Clear it.
5844 (calculate_needs_all_insns): Set it; don't overload need_reload.
5845 (reload_as_needed): Use it.
5847 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
5848 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
5849 and reload_address_index_reg_class.
5850 (find_reloads_address_1): Likewise.
5851 * reload.h (reload_address_base_reg_class,
5852 reload_address_index_reg_class): Don't declare.
5853 * reload1.c (reg_old_renumber, pseudo_previous_regs,
5854 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
5855 (used_spill_regs): Now static.
5856 (reload_address_base_reg_class, reload_address_index_reg_class,
5857 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
5858 basic_block_needs, max_needs, group_size, group_mode, max_groups,
5859 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
5862 (init_reload): Delete code to compute base/index reg classes.
5863 (reload): Delete variable J.
5864 Delete code to manage basic_block_needs.
5865 Don't compute regs_explicitly_used.
5866 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
5867 pseudo_previous_regs.
5868 Initialize bad_spill_regs_global.
5869 Don't call order_regs_for_reload here.
5870 Don't initialize spill_reg_order and n_spills.
5871 Don't forbid explicitly used regs to be used for spill regs.
5872 Change main loop to infinite loop, with explicit break statements.
5873 Make SOMETHING_CHANGED variable local to that loop.
5874 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
5875 max_groups_insn, max_nongroups_insn, group_size, group_mode.
5876 Make sure spilled_speudos is cleared before calling spill_hard_reg or
5878 Don't call dump_needs.
5879 Delete code to reset potential_reload_regs.
5880 Delete code to terminate loop conditional on the global needs variables
5881 showing no further needs.
5882 (calculate_needs_all_insns): Return void. All callers changed.
5883 Initialize somehing_needs_elimination here, not in reload.
5884 Delete avoid_return_reg kludge.
5885 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
5886 All callers changed.
5887 Initialize the group_mode and group_size elements of the arg CHAIN.
5888 Delete code to manage basic_block_needs.
5889 Operate on elements of CHAIN instead of global variables.
5890 Delete avoid_return_reg kludge.
5891 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
5892 All callers changed.
5893 Operate on elements of CHAIN instead of global variables.
5894 Delete special SMALL_REGISTER_CLASSES code.
5895 Delete spill_failure code; now in new_spill_reg.
5896 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
5897 All callers changed.
5898 Operate on elements of CHAIN instead of global variables.
5899 (maybe_mark_pseudo_spilled): New static function.
5900 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
5901 All callers changed.
5902 Operate on elements of CHAIN instead of global variables.
5903 Call order_regs_for_reload here, not in reload.
5904 Initialize spill_reg_order and n_spills.
5905 Simplify test whether an asm insn is involved.
5906 Delete spill_failure code; now in new_spill_reg.
5907 Call maybe_mark_pseudo_spilled for everything marked as live in
5908 CHAIN. Merge CHAIN's used_spill_regs into the global variable
5910 (dump_needs): Take CHAIN arg. No longer static, to prevent the
5911 compiler from optimizing this function (now unused) away.
5912 Operate on elements of CHAIN instead of global variables.
5913 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
5915 Operate on elements of CHAIN instead of global variables.
5916 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
5917 take CHAIN arg. All callers changed.
5918 Operate on elements of CHAIN instead of global variables.
5919 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
5920 CHAIN, NONGROUP args. Return void. All callers changed.
5921 Verify caller isn't trying to spill a pseudo.
5922 Simplify test for illegal reg, just use bad_spill_regs.
5923 Generate better error messages.
5924 Operate on elements of CHAIN instead of global variables.
5925 Mark spilled register in CHAIN's used_spill_regs element.
5926 Don't call spill_hard_reg.
5927 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
5928 Mark spilled hard regs in bad_spill_regs_global.
5929 Mark affected pseudos in spilled_pseudos, but don't spill them.
5930 (ior_hard_reg_set): New static function.
5931 (finish_spills): Return int. All callers changed.
5932 Compute spill_reg_order, n_spills and spill_regs here. Also update
5933 regs_ever_live for regs used as spills.
5934 For every pseudo in spilled_pseudos, spill it and mark the previous
5935 hard reg it had in pseudo_previous_regs. Compute which hard regs
5936 arseudo): New static function.
5937 (order_regs_for_reload): Take CHAIN arg. All callers changed.
5938 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
5939 hard registers explicitly used across the current insn into the set.
5940 Compute hard_reg_n_uses taking only pseudos live across this insn
5942 Tweak sorting of potential_reload_regs.
5943 (compare_spill_regs): Delete function.
5944 (reload_as_needed): Don't sort the spill_regs array, it's computed
5945 in proper order in finish_spills.
5946 Delete avoid_return_reg kludge.
5947 Delete code to manage basic_block_needs.
5948 (allocate_reload_reg): Minor speed/readability tweaks.
5949 Operate on elements of CHAIN instead of global variables.
5950 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
5951 Delete avoid_return_reg kludge.
5952 Initialize reload_reg_used from CHAIN's used_spill_regs element.
5953 Delete unused label FAIL.
5954 (reload_combine): Replce reload_address_index_reg_class with
5956 Don't use used_spill_regs to determine information about lifetime of
5959 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
5961 * toplev.c (display_help): Ignore empty target specific
5962 options, and if -W is also specified on the command line then
5963 display undocumented options.
5965 * config/arm/arm.c: Updated with changes in devo sources.
5966 * config/arm/arm.h: Updated with changes in devo sources.
5967 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
5968 * config/arm/lib1thumb.asm: Add ELF support.
5970 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
5972 * collect2.c (aix64_flag): New variable.
5973 (main, case 'b'): Parse it.
5974 (GCC_CHECK_HDR): object magic number must match mode.
5975 (scan_prog_file): Only check for shared object if valid header.
5976 Print debugging if header/mode mismatch.
5978 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
5980 Added support for arm-elf-linux configuration, submitted by Philip
5981 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
5982 code developed by Catherine Moore <clm@cygnus.com>. The following
5985 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
5988 * configure: Regenerated.
5990 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
5991 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
5992 definitions conditional on their not having been already defined.
5994 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
5995 and .type directives, and add "(PLT)" qualification to function
5998 * config/arm/linux.h: Deleted. This file is now superceeded by
5999 either linux-elf.h or linux-aout.h.
6001 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
6002 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
6004 Move definitions from old linux.h file here.
6006 * config/arm/elf.h: New file. Generic ARM/ELF support.
6008 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
6010 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
6012 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
6013 using the 26bit APCS.
6015 * config/arm/unknown-elf.h: New file. Support for OS'es other
6016 than Linux with ELF.
6018 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
6021 * config/arm/coff.h: Include aout.h for basic assembler macros.
6022 Add support for -mstructure_size_boundary=<n> command line option.
6024 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
6025 command line option. Make macro definitions conditional on their
6026 not having been already defined.
6028 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
6029 command line option.
6032 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
6034 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
6035 has been changed to not include a newline. Use this macro instead.
6036 (output_enumeral_list, const_value_attribute, name_attribute,
6037 comp_dir_attribute, prototyped_attribute, producer_attribute,
6038 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
6039 dwarfout_file_scope_decl, generate_new_sfname_entry,
6040 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
6041 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
6043 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
6045 * combine.c (subst): Process the inputs to a parallel asm_operands
6048 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
6050 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
6052 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
6054 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
6056 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
6058 * version.c: Bump for snapshot.
6060 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
6062 * stmt.c (expand_fixup): Set fixup->before_jump to a
6063 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
6065 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6067 * Makefile.in (recog.o): Depend on toplev.h.
6068 (insn-emit.o): Depend on recog.h.
6069 (insn-peep.o): Depend on recog.h and insn-config.h.
6071 * combine.c (simplify_set): Remove unused variable `scratches'.
6073 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
6074 and `idx' in macro conditional controlling their use.
6076 * genemit.c (main): Make the generated output file include
6077 recog.h. Don't have it declare `insn_operand_constraint', since
6078 we get it from recog.h.
6080 * genpeep.c (main): Make the generated output file include
6081 insn-config.h and recog.h.
6083 * recog.c: Include toplev.h.
6084 (extract_insn): Remove unused variable `p'.
6086 * regclass.c (fix_register): Add missing braces around initializer
6088 (allocate_reg_info): Move variable `i' into the scope where it is
6089 used. Change its type to `size_t'.
6091 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6093 * reload.c (push_reload): When merging reloads, make sure
6094 that reload_in_reg and reload_in are from the same reload in
6097 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
6099 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
6100 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
6102 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
6104 * loop.c (loop_has_tablejump): New variable.
6105 (prescan_loop): Scan for it.
6106 (insert_bct): Replace explicit scan with use of it.
6107 * regclass.c (regclass): Restore loop variable j.
6108 (record_reg_classes): Deterine op_types modifiers and initialize
6109 classes[i] before matching constraints. Handle matching
6112 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
6114 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
6117 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6119 * mips.h (EXTRA_SPECS): Add missing initializers.
6121 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6123 * sparc.h (EXTRA_SPECS): Add missing initializers.
6124 (sparc_defer_case_vector): Provide a prototype.
6126 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
6127 comparing it to the result of a pointer subtraction.
6129 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6131 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
6132 the argument to (unsigned char).
6134 * alpha.h (EXTRA_SPECS): Add missing initializers.
6135 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
6138 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
6140 * flow.c (life_analysis_1): Enable "rescan" code after reload.
6141 (propagate_block): Delete dead code after reload.
6143 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
6144 back Oct 15, 1998 change.
6145 * haifa-sched.c (update_flow_info): Likewise.
6146 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
6148 * mn10200.md (truncated shift): Accept constant inputs too.
6150 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
6152 * machmode.h (mode_mask_array): No longer const.
6153 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
6155 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6157 * frame.c: Somewhat explain `FDE'.
6158 Suggested by Brendan Kehoe
6160 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
6162 * expr.c (pending_chain): Move up.
6163 (save_expr_status): Do save pending_chain.
6164 (restore_expr_status): And restore it.
6165 * function.h (struct function): Add pending_chain.
6167 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6169 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
6170 did not match the code.
6172 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6174 * regclass.c (regclass): Break out some code into new function
6175 scan_one_insn, and into regclass_init.
6176 (init_cost): New static variable, moved out of regclass.
6177 (regclass_init): Initialize it here, not in .
6178 (scan_one_insn): New static function, broken out of regclass.
6179 * recog.c (apply_change_group): Break out some code into new
6180 function insn_invalid_p.
6181 (insn_invalid_p): New static fn, broken out of apply_change_group.
6183 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
6185 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
6186 reg_reloaded_contents matches incremented pseudo.
6188 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
6190 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6192 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
6193 addressing modes with side effects. These are currently
6194 placeholders for the C4x target.
6196 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6198 * loop.c (express_from): Make sure that when generating a PLUS of
6199 a PLUS, any constant expression appears on the outermost PLUS.
6201 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
6203 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
6204 works if "$(srcdir)" != ".".
6206 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
6208 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
6209 existing SUBREG if we can, otherwise abort.
6211 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
6213 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
6214 `restrict' is applied to a non-pointer variable.
6216 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
6218 * invoke.texi: Document -flang-isoc9x.
6220 * Makefile.in (OBJS): Add splay-tree.o.
6221 (c-common.o): Depend on rtl.h.
6222 (splay-tree.o): List dependencies and provide build rule.
6224 * rtl.h (record_alias_subset): New function.
6225 * alias.c: Include splay-tree.h.
6226 (alias_set_entry): New type.
6227 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
6228 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
6229 (mems_in_disjoin_alias_sets_p): New function.
6230 (alias_set_compare): Likewise.
6231 (insert_subset_children): Likewise.
6232 (get_alias_set_entry): Likewise.
6234 * tree.h (TYPE_RESTRICT): New macro.
6235 (TYPE_UNQUALIFIED): New manifest constant.
6236 (TYPE_QUAL_CONST): Likewise
6237 (TYPE_QUAL_VOLATILE): Likewise.
6238 (TYPE_QUAL_RESTRICT): Likewise.
6239 (tree_type): Add restrict_flag. Reduce count of free bits.
6240 (DECL_POINTER_ALIAS_SET): New macro.
6241 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
6242 (tree_decl): Add pointer_alias_set.
6243 (build_qualified_type): New function.
6244 (build_type_variant): Define in terms of build_qualified_type.
6245 * tree.c (set_type_quals): New function.
6246 (make_node): Initializae DECL_POINTER_ALIAS_SET.
6247 (build_type_attribute_variant): Use build_qualified_type and
6249 (build_type_variant): Rename, and modify, to become...
6250 (build_qualified_type): New function.
6251 (build_complex_type): Use set_type_quals.
6253 * c-tree.h (C_TYPE_OBJECT_P): New macro.
6254 (C_TYPE_FUNCTION_P): Likewise.
6255 (C_TYPE_INCOMPLETE_P): Likewise.
6256 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
6257 (c_apply_type_quals_to_decl): New function.
6258 (c_build_qualified_type): New function.
6259 (c_build_type_variant): Define in terms of c_build_qualified_type.
6260 (flag_isoc9x): Declare.
6261 * c-typeck.c (qualify_type): Use c_build_qualified_type.
6262 (common_type): Change to use TYPE_QUALS.
6263 (comptypes): Likewise.
6264 (convert_for_assignment): Likewise.
6265 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
6266 * c-decl.c (flag_isoc9x): Define.
6267 (c_decode_option): Handle -flang-isoc9x.
6268 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
6269 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
6270 * c-lex.c (init_lex): Deal with restrict.
6271 (init_lex): Don't treat restrict as a reserved word in
6272 -traditional mode, or without -flang-isoc9x.
6273 * c-lex.h (rid): Add RID_RESTRICT.
6274 * c-parse.gperf (restrict, __restrict, __restrict__): Make
6275 equivalent to RID_RESTRICT.
6276 * c-parse.in (TYPE_QUAL): Update comment.
6277 * c-common.c: Include rtl.h.
6278 (c_find_base_decl): New function.
6279 (c_build_type_variant): Rename, and modify, to become ...
6280 (c_build_qualified_type): New function.
6281 (c_apply_type_quals_to_decl): Likewise.
6282 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
6283 a particular alias set for the reference.
6284 * toplev.c (documented_lang_options): Add -flang-isoc9x.
6286 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
6288 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
6289 command line switches.
6291 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
6293 * reload.c (loc_mentioned_in_p): Add missing braces to bind
6296 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
6298 * gcc.c (option_map): Added --classpath and --CLASSPATH.
6300 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
6302 * regclass.c (fix_register): Add error message.
6303 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
6306 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6308 * c-decl.c (warn_missing_noreturn): New global variable.
6309 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
6310 (finish_function): Implement missing noreturn warning.
6312 * c-tree.h (warn_missing_noreturn): Declare extern.
6314 * invoke.texi: Document new flags.
6316 * toplev.c (documented_lang_options): Add description.
6318 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6320 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
6321 loop optimization stable for the C4x.
6322 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
6323 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
6324 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
6326 (c4x_address_conflict): Be more paranoid when packing a volatile
6327 memref in a parallel load/store.
6329 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6331 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
6332 repeat_block_filler): Deleted.
6333 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
6334 Condition code not set if destination register from 'c' class.
6335 (*subbqi3_carry_clobber): Fix typo.
6337 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6339 * reorg.c (steal_delay_list_from_target) Check for insns that
6340 modify the condition codes and effect the direction of the jump
6343 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
6345 * function.c (purge_addressof_1): Replace call to
6346 emit_insns_before() with emit_insn_before().
6348 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
6350 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
6352 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6354 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
6356 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
6358 * gcse.c (compute_hash_table): Correctly identify hard regs which are
6359 clobbered across calls.
6361 * loop.c (scan_loop): Be more selective about what invariants are
6362 moved out of a loop.
6364 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
6366 * version.c: Bump for snapshot.
6368 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
6370 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
6371 static eh_context structure.
6373 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6375 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
6377 (try_combine): Don't update max_scratch.
6378 * flow.c (max_scratch, num_scratch): Delete variables.
6379 (life_analysis_1): Don't initialize max_scratch.
6380 (propagate_block): Don't update max_scratch.
6381 (mark_set_1): Don't increment num_scratch.
6382 * regs.h (max_scratch): Delete declaration.
6384 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
6386 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
6387 is nonzero. This is temporary!
6389 * sched.c (update_flow_info): Handle death notes made invalid by
6390 instruction splitting. Partially reverts Oct 15, 1998 patch.
6391 * haifa-sched.c (update_flow_info): Likewise.
6393 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
6395 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
6396 if it has a nonzero DECL_INITIAL.
6398 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6400 * Makefile.in (flow.o): Depend on recog.h.
6402 * cpplib.h (directive_table): Add missing initializiers.
6403 (finclude): Change type of variable `bsize' to size_t.
6405 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
6407 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
6409 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
6410 `int' when comparing against one.
6411 (cpp_file_line_for_message): Mark parameter `pfile' with
6413 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
6415 * flow.c: Include recog.h.
6416 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
6418 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
6419 `f' with ATTRIBUTE_UNUSED.
6420 (reposition_prologue_and_epilogue_notes): Likewise.
6422 * genopinit.c (gen_insn): Cast argument of ctype functions to
6425 * haifa-sched.c: Include recog.h.
6426 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
6427 comparing against one.
6429 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
6431 * mips-tfile.c (parse_end): Cast the argument of ctype function to
6433 (parse_ent): Likewise.
6434 (parse_input): Likewise.
6436 * optabs.c (init_libfuncs): Likewise.
6438 * protoize.c (find_rightmost_formals_list): Likewise.
6440 * recog.h (const_double_operand): Fix typo in prototype.
6442 * tlink.c (scan_linker_output): Cast the argument of ctype
6443 function to `unsigned char'.
6445 * toplev.c (check_lang_option): Cast the result of `strlen' to
6446 `int' when comparing against one.
6448 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
6450 * gcse.c (dump_cuid_table): Correct typo.
6452 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
6454 * toplev.c (display_help): Prepend '-m' to target specific
6456 (check_lang_option): Ignore text after end of first word of a
6457 language specific option.
6459 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6461 * reload1.c (reg_used_by_pseudo): New static variable.
6462 (choose_reload_regs): Initialize it.
6463 Use it instead of testing spill_reg_order to determine whether a
6464 pseudo is live in a hard register across the current insn.
6465 Fix a typo in a reference to reload_reg_rtx.
6467 * flow.c (propagate_block): Replace code that computes and uses
6468 regs_sometimes_live with simpler code that just walks the set of
6469 currently live registers.
6471 * Makefile.in (insn-extract.o): Fix dependencies.
6472 * genextract.c (main): Generate includes for insn-config.h and
6474 Delete generation of declarations which are now in recog.h.
6475 * genrecog.c (main): Delete generation of definitions which are
6477 * local-alloc.c (block_alloc): Use extract_insn and the variables
6478 it sets up instead of looking up values by insn_code.
6479 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
6480 recog_dup_num): Define here instead of generating the definition in
6482 (recog_n_operands, recog_n_dups, recog_n_alternatives,
6483 recog_operand_mode, recog_constraints, recog_operand_address_p):
6485 (extract_insn): New function.
6486 * recog.h (extract_insn): Declare function.
6487 (which_alternative, recog_n_operands, recog_n_dups,
6488 recog_n_alternatives, recog_operand_mode, recog_constraints,
6489 recog_operand_address_p): Declare variables.
6490 * regclass.c (n_occurrences): New static function.
6491 * reload.c (n_occurrences): Delete function.
6492 (find_reloads): Use extract_insn.
6493 * reload.h (n_occurrences): Delete declaration.
6495 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
6497 * reload1.c (reload_as_needed): Fix test for when to call
6498 update_eliminable_offsets.
6500 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6502 Fix consistency problems with reg_equiv_{mem,address};
6503 Improve reload inheritance;
6505 * reload.c (reload_out_reg): New variable.
6506 (loc_mentioned_in_p, remove_address_replacements): New functions.
6507 (remove_replacements): Deleted.
6508 (push_reload): Set reload_out_reg[i].
6509 When merging, also set reload_{in,out}_reg[i], and remove
6510 duplicate address reloads.
6511 (combine_reloads): Copy reload_out_reg[i].
6512 (find_reloads): Do make_memloc substitution also when
6513 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
6515 Include *recog_operand_loc in commutativity operand changes.
6516 Generate optional output reloads.
6517 Delete reference to n_memlocs. Don't set *recog_operand_loc before
6518 processing operands. Call make_memloc in reg_equiv_address code.
6519 Set *recog_operand_loc only after processing operands, and only
6520 if replace is true. Return a value.
6521 When changing address reload types for operands that didn't get
6522 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
6523 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
6524 Don't emit USEs for pseudo SUBREGs when not replacing.
6525 (find_reloads_address): Do make_memloc substitution also when
6526 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
6528 (find_reloads_toplev): Likewise.
6529 Call make_memloc in reg_equiv_address code.
6530 (debug_reload_to_stream): Add code to output reload_out_reg.
6531 (make_memloc): Delete local variable i, ifdefed out code, and
6532 references to memlocs and n_memlocs.
6533 (memlocs, n_memlocs): Delete.
6534 (push_secondary_reload): Clear reload_out_reg.
6535 (find_reloads_address_1): Provide memrefloc argument to all calls
6536 to find_reloads_address.
6537 In AUTO_INC code, handle non-directly addressable equivalences properly.
6538 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
6539 (find_reloads): Add return type.
6540 (remove_address_replacements, deallocate_reload_reg): Declare.
6541 * reload1.c (num_not_at_initial_offset): No longer static.
6542 (delete_address_reloads, delete_address_reloads_1): Likewise.
6543 (deallocate_reload_reg): New function.
6544 (spill_reg_stored_to): New array.
6545 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
6546 (eliminate_regs_in_insn): Move assignments of previous_offset and
6547 max_offset fields, and recalculation of num_not_at_initial_offset
6548 into new static function:
6549 (update_eliminable_offsets) .
6550 (reload_as_needed): Call update_eliminable_offsetss after calling
6552 Call forget_old_reloads_1 with contents of reloaded auto_inc
6553 expressions if the actual addressing can't be changed to match the
6555 (choose_reload_regs): For inheritance, replace
6556 reload_reg_free_before_p test with reload_reg_used_at_all test, and
6557 remove stand-alone reload_reg_used_at_all test.
6558 Use reload_out_reg to determine which reload regs have output reloads.
6559 Treat reload_override_in more similar to inherited reloads.
6560 Handle (subreg (reg... for inheritance.
6561 For flag_expensive_optimizations, add an extra pass to remove
6562 unnecessary reloads from known working inheritance.
6563 Delete obsolete code for pseudos replaced with MEMs.
6564 Handle inheritance from auto_inc expressions.
6565 (emit_reload_insns): If reload_in is a MEM, set OLD to
6567 Don't reload directly from oldequiv; if it's a pseudo with a
6568 stack slot, use reload_in[j].
6569 Check that reload_in_reg[j] is a MEM before replacing reload_in
6570 from reg_reloaded_contents.
6571 Include non-spill registers in reload inheritance processing.
6572 Also try to use reload_out_reg to set spill_reg_store /
6573 reg_last_reload_reg.
6574 In code to set new_spill_reg_store, use single_set to find out if
6575 there is a single set.
6576 Add code that allows to delete optional output reloads.
6577 Add code to allow deletion of output reloads that use no spill reg.
6578 At the end, set reload_override_in to oldequiv.
6579 Also call delete_output_reload if reload_out_reg is equal to old
6581 Add code to call delete_output_reload for stores with no matching load.
6582 Set / use spill_reg_stored_to.
6583 Handle case where secondary output reload uses a temporary, but
6584 actual store isn't found.
6585 When looking for a store of a value not loaded in order to call
6586 delete_output_reload, count_occurences should return 0 for no
6587 loads; but discount inherited input reloadill_reg_stored_to.
6588 Do checks for extra uses of REG. Changed all
6590 Use delete_address_reloads.
6591 (reload): Take return value of find_reloads into account.
6592 If a no-op set needs more than one reload, delete it.
6593 (reload_reg_free_before_p): RELOAD_FOR_INPUT
6594 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
6595 for the same operand.
6596 (clear_reload_reg_in_use): Check for other reloads that keep a
6598 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
6599 RELOAD_FOR_OPADDR_ADDR.
6600 Take into account when an address address reload is only needed
6601 for the address reload we are considering.
6602 (count_occurrences): Use rtx_equal_p for MEMs.
6603 (inc_for_reload): Return instruction that stores into RELOADREG.
6604 New argument two, IN, and rtx. Changed all callers.
6605 (calculate_needs_all_insns, reload_as_needed):
6606 Don't clear after_call for a CLOBBER.
6607 Keep track of how many hard registers need to be copied from
6608 after_call, and don't clear after_call before we have seen
6609 that much copies, or we see a different instruction.
6611 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
6613 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
6614 after reload has completed.
6616 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
6618 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
6619 a macro name and the next token with a single blank if that whitespace
6620 is in a macro buffer and the next token is not '('.
6622 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
6624 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
6626 (skip_if_group): Ditto.
6627 (skip_to_end_of_comment): Ditto.
6629 (discard_comments): Ditto.
6630 (change_newlines): Ditto.
6632 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
6634 * c-lex.c (yylex): Fix unaligned access of wchar_t.
6636 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
6638 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
6639 (TARGET_OPTIONS): Add --help documentation.
6641 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6643 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
6645 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
6647 * fixinc/* Moved in from ../contrib directory in preparation
6648 for integrating it into the normal build process. In particular,
6649 fixinc/Makefile.in must be config-ed into the build directory
6650 as fixinc/Makefile. Proposed patches to ./Makefile.in and
6651 ./configure.in will be "in the mail" momentarily.
6653 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
6655 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
6656 accidently walk into the free list. Comment how that can happen.
6657 (invalidate): Fix indentation.
6659 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6660 Jeffrey A Law (law@cygnus.com)
6662 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
6663 reload. Never perform rescans of the insn chain after reload.
6664 (propagate_block): Do not delete insn or create new autoinc addressing
6667 * jump.c (jump_optimize): Unconditionally use the code that was
6668 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
6669 * reload1.c (reload): When reloading is finished, delete all
6670 REG_DEAD and REG_UNUSED notes.
6671 (emit_reload_insns): Delete all code that was conditional on
6672 PRESERVE_DEATH_INFO_REGNO_P.
6673 (no_longer_dead_regs): Delete variable.
6674 (reload_cse_delete_death_notes): Delete function.
6675 (reload_cse_no_longer_dead): Delete function.
6676 (reload_cse_regs_1): Delete all code to handle deletion of death
6678 (reload_cse_noop_set_p): Likewise.
6679 (reload_cse_simplify_set): Likewise.
6680 (reload_cse_simplify_operands): Likewise.
6681 (reload_cse_move2add): Likewise.
6682 * reorg.c (used_spill_regs): Delete declaration.
6683 (max_label_num_after_reload): Delete declaration.
6684 (find_dead_or_set_registers): Don't assume that spill regs are
6685 dead at a CODE_LABEL.
6686 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
6688 * sched.c (sched_analyze_insn): Likewise.
6689 (update_flow_info): Likewise.
6690 * haifa-sched.c (sched_analyze_insn): Likewise.
6691 (update_flow_info): Likewise.
6692 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
6693 * toplev.c (max_label_num_after_reload): Delete variable.
6694 (rest_of_compilation): Don't set max_label_num_after_reload.
6695 Call life_analysis after reload_cse_regs if optimizing.
6696 * config/gmicro/gmicro.h: Delete comment referring to
6697 PRESERVE_DEATH_INFO_REGNO_P.
6698 * config/i386/i386.h: Likewise.
6699 * config/m88k/m88k.h: Likewise.
6700 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
6701 * config/sh/sh.h: Likewise.
6703 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
6705 * loop.c (strength_reduce): Restore marking bct_p as
6707 * rs6000.c (optimization_options): Change #ifdef HAIFA to
6708 HAVE_decrement_and_branch_on_count.
6709 (small_data_operand): Remove TARGET_ELF condition for marking
6710 parameters ATTRIBUTE_UNUSED.
6712 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
6714 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
6715 (SELECT_SECTION): Resync with svr4.h.
6717 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
6719 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
6722 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
6724 * c-pragma.c (handle_pragma_token): Test for null tree before
6725 dereferencing TREE_CODE.
6727 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6729 * config/c4x/c4x.c: Convert to use GEN_INT.
6730 (c4x_parallel_process): Rework to handle new repeat loop structure.
6732 * config/c4x/c4x.md: Convert to use GEN_INT.
6733 (rptb_end): Convert to use GE test. Replace uses with clobbers.
6734 (decrement_and_branch_on_count): Likewise.
6736 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
6737 loop.c has the desired functionality.
6738 (rc_reg_operand): New prototype.
6740 * config/c4x/t-c4x: Can now build all front ends.
6742 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
6744 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
6746 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
6748 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
6749 * config/t-rtems: Do not install assert.h -- use newlib's.
6751 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6753 * combine.c (combine_instructions): When finished, call init_recog.
6754 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
6756 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
6758 * toplev.c: If flag_syntax_only, don't open or write assembler file.
6760 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6762 * cppalloc.c (memory_full): Mark function prototype with
6765 * demangle.h (collect_exit): Likewise.
6767 * fix-header.c (v_fatal, fatal): Likewise.
6769 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
6772 * gcov.c (print_usage): Likewise.
6774 * genattr.c (fatal, fancy_abort): Likewise.
6776 * genattrtab.c (fatal, fancy_abort): Likewise.
6778 * gencodes.c (fatal, fancy_abort): Likewise.
6780 * genconfig.c (fatal, fancy_abort): Likewise.
6782 * genemit.c (fatal, fancy_abort): Likewise.
6784 * genextract.c (fatal, fancy_abort): Likewise.
6786 * genflags.c (fatal, fancy_abort): Likewise.
6788 * genopinit.c (fatal, fancy_abort): Likewise.
6790 * genoutput.c (fatal, fancy_abort): Likewise.
6792 * genpeep.c (fatal, fancy_abort): Likewise.
6794 * genrecog.c (fatal, fancy_abort): Likewise.
6796 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
6797 __sjpopnthrow, __throw): Likewise.
6799 * objc/objc-act.c (objc_fatal): Likewise.
6801 * protoize.c (usage, aux_info_corrupted,
6802 declare_source_confusing): Likewise.
6804 * rtl.c (dump_and_abort): Likewise.
6806 * rtl.h (sets_cc0_p): Likewise.
6808 * toplev.c (float_signal, pipe_closed): Likewise.
6810 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
6812 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
6813 when generating the decision tree for the general case.
6815 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
6816 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
6818 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6820 * Makefile.in (sched.o): Depend on recog.h.
6822 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
6823 (unsigned) when comparing against one.
6824 (find_base_value): Likewise.
6825 (record_base_value): Cast variable `regno' to (unsigned) when
6826 comparing against one. Cast the result of REGNO() macro to
6827 (unsigned) when comparing against one.
6828 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
6830 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
6831 variable where an unsigned index is needed.
6833 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
6834 before comparing against one.
6836 * collect2.c: Add prototypes for functions `error', `fatal' and
6837 `fatal_perror'. Make these functions take variable arguments
6838 instead of faking it with a fixed number of args.
6839 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
6842 * combine.c (can_combine_p): Mark parameter `pred' with
6844 (find_split_point): Cast variable `src' to (unsigned
6845 HOST_WIDE_INT) when comparing against one.
6846 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
6847 (simplify_logical): Likewise.
6848 (force_to_mode): Cast result of INTVAL() macro to (unsigned
6849 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
6850 HOST_WIDE_INT) in shift.
6851 (simplify_and_const_int): Cast result of INTVAL() macro to
6852 `unsigned HOST_WIDE_INT' when comparing against one.
6853 (merge_outer_ops): Cast variable const0 to `unsigned
6854 HOST_WIDE_INT' when comparing against the result of
6855 GET_MODE_MASK() macro.
6856 (simplify_comparison): Likewise for variable `c0'. Cast variable
6857 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
6858 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
6859 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
6860 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
6861 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
6862 comparing against one.
6863 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
6865 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
6866 macro to `unsigned HOST_WIDE_INT' when comparing against one.
6867 (output_block_move): Cast `sizeof' expression to (int) when
6868 comparing against one.
6869 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
6871 (save_restore_insns): Cast `base_offset' to `long' to match format
6872 specifier in fprintf.
6874 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
6875 to `enum machine_mode'.
6877 * flow.c (life_analysis_1): Remove unused variable `insn'.
6879 * gcc.c (translate_options): Move variables `j' and `k' into the
6880 scope in which they are used. Change their types to `size_t'.
6881 (set_spec): Cast the argument of ctype macro to `unsigned char'.
6882 (read_specs): Likewise.
6883 (process_command): Cast `sizeof' to (int) when comparing against one.
6884 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
6885 (handle_braces): Cast both sides of `==' expression to `long' to
6886 ensure sign matching.
6887 (main): Cast variable `i' to `int' when comparing against one.
6889 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
6890 int to size_t. Cast variable `i' to size_t when comparing against
6893 * genattrtab.c (convert_set_attr_alternative): Remove unused
6894 parameter `insn_code'. All callers changed.
6895 (convert_set_attr): Likewise.
6897 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
6898 size_t when comparing against one. Likewise for variable `len'.
6900 * global.c (global_alloc): Cast variable `max_regno' to size_t
6901 when comparing against one. Likewise for variable `max_allocno'.
6903 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
6905 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
6906 `set' with ATTRIBUTE_UNUSED.
6907 (find_free_reg): Cast `sizeof' expression to (int) when comparing
6910 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
6911 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
6912 (get_condition): Cast variable `const_val' to `unsigned
6913 HOST_WIDE_INT' when comparing against one. Cast unsigned
6914 expression to HOST_WIDE_INT when comparing against one.
6915 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
6916 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
6917 `unsigned' when comparing against one.
6919 * protoize.c (is_id_char): Change type of parameter `ch' to
6921 (munge_compile_params): Cast argument of ctype macro to (const
6923 (process_aux_info_file): Cast variable `aux_info_size' to int when
6924 comparing against one.
6925 (forward_to_next_token_char): Cast argument of ctype macro to
6926 `const unsigned char'.
6927 (edit_formals_lists): Likewise.
6928 (find_rightmost_formals_list): Likewise.
6929 (add_local_decl): Likewise.
6930 (add_global_decls): Likewise.
6931 (edit_fn_definition): Likewise.
6932 (do_cleaning): Likewise.
6933 (scan_for_missed_items): Likewise.
6934 (edit_file): Cast variable `orig_size' to (int) when comparing
6936 (main): Cast argument of ctype macro to `const unsigned char'.
6938 * recog.c (const_int_operand): Mark parameter `mode' with
6941 * regclass.c (record_reg_classes): Change type of variable `c' to
6942 `unsigned char'. Cast `char' array index to `unsigned char'.
6944 * reload.c (push_secondary_reload): Cast argument to
6945 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
6947 * reload1.c (calculate_needs): Cast `char' array index to
6949 (set_label_offsets): Change type of variable `i' to unsigned int.
6950 Cast result of XVECLEN() macro to unsigned when comparing against
6952 (mark_not_eliminable): Change type of variable `i' to unsigned.
6953 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
6954 when comparing against one.
6955 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
6956 comparing against one.
6957 (choose_reload_regs): Hide unused label `fail'.
6958 (reload_cse_simplify_operands): Cast `char' array index to
6960 (reload_combine_note_store): Mark parameter `set' with
6961 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
6963 (reload_cse_move2add): Remove unused variable `src2'.
6965 * sched.c: Include recog.h.
6966 (sched_note_set): Remove unused parameter `b'. All callers
6968 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
6969 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
6970 when comparing against one.
6972 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
6973 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
6974 comparing against one.
6976 * unroll.c (precondition_loop_p): Remove unused parameter
6977 `loop_end'. All callers changed.
6979 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6981 * reload1.c (maybe_fix_stack_asms): New static function.
6984 * reload.h (compute_use_by_pseudos): Declare.
6986 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
6987 (something_needs_reloads): Delete variable.
6988 (finish_spills): New function.
6989 (compute_use_by_pseudos): New function.
6991 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
6992 Use the reload_insn_chain instead of walking the rtl directly.
6994 (reload): Allocate and free spilled_pseudos.
6995 Ensure that all calls of spill_hard_reg are followed by a call to
6997 Use the insns_need_reload list instead of something_needs_reloads
6998 to find out if reload_as_needed must be called.
6999 Clear unused_insn_chains at the end.
7001 (calculate_needs_all_insns): Lose FIRST parameter. All callers
7003 Delete code to keep track of current basic block.
7004 Walk reload_insn_chain instead of the rtl structure. Build the
7005 insns_need_reload chain.
7006 Remember which insns need reloading/elimination by setting the
7007 appropriate fields in struct insn_chain, not by putting modes on the
7010 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
7011 arg INSN. All callers changed.
7012 Delete declaration of struct needs.
7013 Don't set something_needs_reloads.
7014 Record insn needs in the CHAIN argument.
7016 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
7018 (reload_as_needed): Lose FIRST arg. All callers changed.
7019 Walk the reload_insn_chain instead of the rtx structure.
7020 Delete code to keep track of current basic block.
7021 Rename one of the NEXT variables to OLD_NEXT.
7023 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
7025 (choose_reload_regs): Likewise.
7027 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
7030 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
7031 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
7032 (hard_regs_live, hard_regs_need_restore): Delete variables.
7033 (n_regs_saved): Now static.
7034 (referenced_regs, this_insn_sets): New variables.
7036 (setup_save_areas): Restructure the code a bit.
7038 (restore_referenced_regs): Delete function.
7039 (mark_referenced_regs): New function, similar to the old
7040 restore_referenced_regs, but mark registers in referenced_regs.
7042 (clear_reg_live): Delete function.
7043 (mark_set_regs): Renamed from set_reg_live. All callers changed.
7044 Only mark registers in this_insn_sets.
7046 (save_call_clobbered_regs): Rework this function to walk the
7047 reload_insn_chain instead of using the list of instructions directly.
7048 Delete code to keep track of register lives, compute live regs on the
7049 fly from information in the chain.
7050 Instead of calling restore_referenced_regs, use mark_referenced_regs,
7051 then walk the set it computes and call insert_restore as appropriate.
7053 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
7055 Restructure the code a bit. Test hard_regs_saved instead of
7056 hard_regs_need_restore.
7057 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
7058 args. All callers changed.
7059 Restructure the code a bit. Use TO_SAVE to determine which regs to
7060 save instead of more complicated test.
7061 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
7063 Create a new insn_chain structure for the new insn and place it
7066 * rtl.texi: Update documentation to reflect that reload no longer
7067 puts modes on the insns.
7069 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
7071 * function.c (purge_addressof_1): Force the first argument of a
7072 CALL insn to memory.
7074 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
7076 * rtl.h: Delete duplicate prototypes. Add some missing
7078 * rtlanal.c: (for_each_rtx): Formatting tweak.
7080 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7082 * real.c (emdnorm and etoasc): Disable round to even for c4x target
7083 to be compatible with TI compiler.
7085 * Makefile.in (USER_H): Add va-c4x.h to definition.
7087 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
7089 * function.c (purge_addressof_1): Fix typo in inequality: do
7090 bitfield optimization for equal mode sizes.
7091 * expmed.c (store_bit_field): Don't take subregs of subregs in
7092 the movstrict case. Tidy a potential problem in the multi-word case.
7093 (extract_bit_field): Likewise.
7095 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7097 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
7099 Compute max_uid_for_flow by calling get_max_uid after the scan.
7100 (find_basic_blocks_1): Don't emit NOPs here.
7102 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
7104 * alias.c (base_alias_check): Accept new args for the modes of the
7105 two references. Use them to determine if an AND can overlap. Update
7107 (memrefs_conflict_p): Assume sizes are aligned, and uses them
7108 to determine if an AND can overlap.
7110 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
7112 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
7113 check. Add comment to document problems with TARGET_SUN_FPA version
7115 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
7117 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7119 * Makefile.in (gencheck.o): Depend on gansidecl.h.
7121 * c-common.c (print_char_table): Add missing initializers.
7122 (scan_char_table): Likewise.
7123 (time_char_table): Likewise.
7125 * c-decl.c (c_decode_option): Mark parameter `argc' with
7127 (declare_parm_level): Mark parameter `definition_flag' with
7130 * c-lex.c (readescape): Use `(unsigned)1' in shift.
7131 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
7134 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
7136 (emit_call_1): Mark parameters `fndecl' and `funtype' with
7138 (expand_call): Cast result of MIN() to (unsigned int) when
7139 comparing against an unsigned value.
7141 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
7143 (make_definition): Remove unused parameter `op'. All callers
7145 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
7146 comparing against the result of pointer arithmetic.
7148 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
7149 when comparing against one.
7151 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
7152 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
7154 (output_die): Move variable `i' into the scope in which it is
7155 used. Change its type to `unsigned'.
7156 (output_die): Cast the result of `strlen' to (int) when passing it
7157 to ASM_OUTPUT_ASCII().
7158 (output_pubnames): Likewise.
7159 (output_line_info): Likewise.
7161 * emit-rtl.c (global_rtl): Add missing initializers.
7163 * explow.c (promote_mode): Mark parameter `for_call' with
7166 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
7167 `unsigned HOST_WIDE_INT' when comparing against one.
7168 (synth_mult): Change type of variable `cost' to int.
7169 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
7171 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
7172 when comparing against one.
7173 (get_inner_reference): Change variable `alignment' to unsigned.
7174 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
7175 int) when comparing against one.
7176 (expand_builtin_setjmp): Change type of variable `i' to size_t.
7178 * fold-const.c (div_and_round_double): Cast BASE to
7179 (HOST_WIDE_INT) when comparing against one.
7181 * gencheck.c: Include gansidecl.h.
7182 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
7184 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
7185 `tcode' with ATTRIBUTE_UNUSED.
7187 * real.c (edivm): Cast constant value to (unsigned long) in
7188 expression compared against an unsigned value.
7190 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
7191 comparing against one.
7192 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
7193 when comparing against one.
7195 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
7196 (unsigned int) when comparing against one. Likewise for
7198 (smallest_mode_for_size): Likewise.
7199 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
7200 (restore_storage_status): Likewise.
7202 * toplev.c (debug_args): Add missing initializer.
7203 (f_options): Spelling correction. Add missing initializers.
7204 (documented_lang_options): Likewise.
7205 (debug_end_source_file): Mark parameter `lineno' with
7208 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
7209 `decl' and `type' with ATTRIBUTE_UNUSED.
7211 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
7212 when comparing against one.
7213 (assemble_variable): Mark parameter `top_level' with
7215 (assemble_external_libcall): Mark parameter `fun' with
7217 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
7220 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
7222 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
7223 Replace use of r5 with use of r19.
7225 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
7227 * config/v850/v850.c (compute_register_save_size): Allow for the
7228 fact that helper functions save all registers, not just those used
7231 Replace constant 31 with macro LINK_POINTER_REGNUM.
7233 * config/v850/v850.md: Use 'indirect_operand' rather than
7234 'memory_operand' for bit test/set/clear patterns.
7236 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
7238 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
7239 * varasm.c (assemble_start_function et al): Don't call
7240 ASM_GLOBALIZE_LABEL for weak symbols.
7242 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
7244 * cse.c (equiv_constant): Check for NULL return from
7245 gen_lowpart_if_possible().
7247 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
7249 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
7251 * collect2.c (main): Pass -EL/-EB through to the compiler.
7253 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7255 * expr.c (push_block): Handle targets where the stack grows
7256 to higher addresses, but args grow to lower addresses and
7257 ACCUMULATE_OUTGOING_ARGS is not defined.
7259 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
7261 * config/v850/v850.c (print_operand): Extend meaning
7262 of 'c' operands to support .vtinherit.
7264 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7266 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
7267 Added ATTRIBUTE_UNUSED to unused function arguments.
7268 (rc_reg_operand): New predicate.
7269 (c4x_rptb_insert): New function.
7270 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
7271 (c4x_optimization_options): New function.
7273 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
7274 (decrement_and_branch_on_count): New pattern.
7275 (rptb_top): Modified pattern to work with BCT optimization.
7277 * config/c4x/c4x.h (RC_REG): New register class.
7278 (rc_reg_operand): Define prototype.
7279 (IS_RC_REG): New macro.
7280 (IS_RC_OR_PSEUDO_REG): New macro.
7281 (IS_RC_OR_PSEUDO_REGNO): New macro.
7282 (OPTIMIZATION_OPTIONS): Define.
7284 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
7286 * collect2.c (extract_init_priority): No priority is 65535.
7288 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
7290 * Makefile.in (build_tooldir): new variable, same as old
7291 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
7292 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
7293 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
7295 * configure.in (gxx_include_dir): set default based on unlibsubdir
7296 * Makefile.in (tooldir): ditto
7297 (cccp.o, cpplib.o): use unlibsubdir implicitly through
7298 gxx_include_dir, includedir and tooldir
7299 (protoize.o, unprotoize.o): ditto
7301 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
7303 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
7305 * config/arm/thumb.c (thumb_override_options): Add warning about
7306 PIC code not being supported just yet.
7308 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
7310 * flow.c: Update comment.
7311 (notice_stack_pointer_modification): New static function.
7312 (record_volatile_insns): Use it.
7313 (mark_regs_live_at_end): Mark the stack pointer as alive
7314 at the end of the function if current_function_sp_is_unchanging
7316 (life_analysis_1): Set current_function_sp_is_unchanging.
7317 * function.c: Define it.
7318 (init_function_start): Initialize it.
7319 * output.h: Declare it.
7320 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
7321 the stack pointer as alive at the end of the function if
7322 current_function_sp_is_unchanging is set.
7323 * i386.c (ix86_epilogue): Optimize the restoring
7324 of the stack pointer.
7326 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
7328 * version.c: Bump for snapshot.
7330 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
7332 * c-pragma.c (handle_pragma_token): If passed a token instead
7333 of a tree, use that as the pack value.
7335 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
7337 * flow.c (find_basic_blocks_1): Fix prototype.
7339 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
7341 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
7342 (struct tree_decl): New fields no_check_memory_usage.
7343 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
7344 (init_attributes): Register it as a new attribute.
7345 (decl_attributes): Set flags on functions given that attribute.
7346 * c-decl.c (duplicate_decls): Merge new attribute.
7347 * expr.h (current_function_check_memory_usage): Declare new var.
7348 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
7349 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
7350 current_function_check_memory_usage.
7351 * function.h: Add field to struct function.
7352 * function.c (current_function_check_memory_usage): Define it.
7353 (push_function_context_to, pop_function_context_from): Save and
7355 (expand_function_start): Set it, based on global flag and function
7358 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
7359 check non-automatic variables, to permit detection of writes to
7360 read-only locations in embedded systems without memory management.
7361 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
7362 when emitting chkr_set_right_libfunc call, even if the argument is
7363 BLKmode or variable-sized; don't abort.
7365 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
7366 symbols in Pmode, not VOIDmode.
7368 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7370 * cppexp.c: When forcing unsigned comparisons, cast both sides
7373 * cpphash.h: Move static declaration of hashtab[]...
7374 * cpphash.c: ...here.
7376 * cpplib.c: Cast difference of two pointers to size_t before
7377 comparing it to size_t. Cast signed to unsigned
7378 before comparing to size_t. (FIXME: struct argdata should use
7379 unsigned buffer sizes.)
7380 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
7381 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
7382 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
7383 size_t before comparison.
7385 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
7387 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
7388 (find_basic_blocks_1): Similarly.
7389 * output.h (find_basic_blocks): Fix prototype.
7390 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
7391 find_basic_blocks anymore.
7393 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
7395 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
7396 (sbitmap_free, sbitmap_vector_free): New macros.
7397 * output.h (rtl_dump_file): Declare.
7399 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
7401 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
7403 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7405 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
7407 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
7408 (divide): Remove unused variable `tmp'.
7409 (si_to_float): Cast numeric constant to (SItype) before comparing
7412 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
7414 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
7415 * gcc.c (add_preprocessor_option): Correct typo when allocating
7416 memory, sizeof() argument had one too many `*'.
7417 (add_assembler_option): Likewise.
7418 (add_linker_option): Likewise.
7419 * gcov.c (output_data): Likewise.
7420 * local-alloc.c (memref_used_between_p): Likewise.
7421 (update_equiv_regs): Likewise.
7422 * loop.c (strength_reduce): Likewise.
7423 * reg-stack.c (record_asm_reg_life): Likewise.
7424 (subst_asm_stack_reg): Likewise.
7425 * reorg.c (dbr_schedule): Likewise.
7427 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7429 * flow.c (life_analysis_1): Break out some functions.
7430 (find_basic_blocks_1): Likewise. Also move some variables out and
7432 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
7433 new static var nonlocal_label_list with it.
7434 (active_eh_region, nested_eh_region, label_value_list,
7435 nonlocal_label_list): New static variables.
7436 (make_edges, delete_unreachable_blocks, delete_block): New static
7437 functions, broken out of find_basic_blocks_1.
7438 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
7439 noop_move_p): New static functions, broken out of life_analysis_1.
7441 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
7443 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
7444 Take extra care for op0 now possibly being a subreg.
7445 (extract_bit_field): Likewise.
7446 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
7447 the reg to memory if there is no equal sized integral mode.
7448 * stor-layout.c (int_mode_for_mode): New function.
7449 * machmode.h: Prototype it.
7451 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
7453 * global.c (build_insn_chain): Verify no real insns exist past the
7454 end of the last basic block, then exit the loop.
7456 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
7458 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
7460 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
7462 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
7464 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
7466 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
7468 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
7470 * flow.c (find_basic_blocks): Correctly determine when a call
7471 is within an exception region.
7473 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
7475 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
7477 * cpplib.h: Protect from multiple inclusions.
7478 * cpplib.c: Fix minor formatting problems.
7480 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
7482 * jump.c (jump_optimize): Revert accidental patch.
7484 * Makefile.in (cpplib.o): Use unlibsubdir.
7486 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
7488 * loop.c (get_condition): Allow combine when either compare is
7491 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
7493 * version.c: Bump for snapshot.
7495 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
7497 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
7498 (init_lex): Initialize ridpointers[RID_BYREF].
7499 * c-lex.h (enum rid): Add RID_BYREF.
7500 * c-parse.gperf: Add RID_BYREF as a type qualifier.
7501 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
7502 (encode_type_qualifiers): Similarly
7503 * c-gperf.h: Rebuilt.
7505 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
7507 * c-common.c (type_for_mode): Only return TItype nodes when
7508 HOST_BITS_PER_WIDE_INT is >= 64 bits.
7509 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
7510 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
7511 (init_decl_processing): Only create TItype nodes when
7512 HOST_BITS_PER_WIDE_INT is >= 64 bits.
7513 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
7514 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
7516 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7518 * stmt.c (n_occurrences): New static function.
7519 (expand_asm_operands): Verify that all constrains match in the
7520 number of alternatives.
7521 Verify that '+' or '=' are at the beginning of an output constraint.
7522 Don't allow '&' for input operands.
7523 Verify that '%' isn't written for the last operand.
7524 * reload.c (find_reloads): Abort if an asm is found with invalid
7525 constraints; all possible problems ought to be checked for earlier.
7527 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7529 * flags.h (flag_branch_on_count_reg): Always declare
7530 * toplev.c (flag_branch_on_count_reg): Likewise.
7531 * toplev.c: Fix typos.
7533 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
7536 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
7538 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
7540 (find_basic_blocks_1): Add a nop to the end of a basic block when
7541 a trailing call insn does not have abnormal control flow.
7542 * gcse.c (pre_transpout): New variable.
7543 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
7544 (compute_pre_transpout): Calculate it.
7545 (compute_pre_ppinout): Use it to eliminate impossible placements
7546 due to abnormal control flow through calls.
7547 (compute_pre_data): Call compute_pre_transpout.
7549 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7551 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
7553 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
7555 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
7556 and matching define_insns): Tack on a `use' of the table label, so
7557 flow analysis will recognize a tablejump.
7559 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
7561 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
7562 always end basic blocks for abnormal edge reasons.
7564 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
7566 * config/i386/i386.h: Remove definition of
7567 HANDLE_PRAGMA_PACK_PUSH_POP.
7569 * config/i386/go32.h: Add definition of
7570 HANDLE_PRAGMA_PACK_PUSH_POP.
7572 * config/i386/win32.h: Add definition of
7573 HANDLE_PRAGMA_PACK_PUSH_POP.
7575 * config/i386/cygwin32.h: Add definition of
7576 HANDLE_PRAGMA_PACK_PUSH_POP.
7578 * c-pragma.c (insert_pack_attributes): Do not insert
7579 attributes unless #pragma pack(push,<n>) is in effect.
7581 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
7583 * expr.c (emit_group_store): Handle a PARALLEL destination.
7585 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
7587 * gcse.c (pre_insert_insn): When a call ends a bb, insert
7588 the new insns before the argument regs are loaded.
7590 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7592 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
7593 (c-parse.gperf): Update comments describing invocation flags.
7594 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
7596 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
7598 * reload1.c (reload): Call free before clobbering the memory
7599 locations or constants pointers.
7601 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7603 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
7604 for efficiency by checking whether we need to modify the current
7605 stack permission at all.
7606 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
7607 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
7608 __enable_execute_stack libcall here too if
7609 TRANSFER_FROM_TRAMPOLINE is defined.
7610 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
7613 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
7615 * Makefile.in (DRIVER_DEFINES): Remove last change.
7617 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7619 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
7620 insns we're going to copy.
7621 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
7623 * loop.c (count_one_set): Add prototype.
7625 * caller-save.c (restore_referenced_regs): Lose mode argument.
7626 (insert_save): Lose mode argument.
7627 (insert_restore): Lose mode argument.
7628 (insert_one_insn): Lose mode argument.
7629 (save_call_clobbered_regs): Lose mode argument.
7630 (setup_save_areas): Take no argument and return void. All callers
7632 Don't verify validity of memory addresses.
7633 * reload.h (setup_save_ares): Adjust prototype.
7634 (save_call_clobbered_regs): Likewise.
7635 * reload1.c (delete_caller_save_insns): New function.
7636 (caller_save_spill_class): Delete variable.
7637 (caller_save_group_size): Delete variable.
7638 (reload): Call setup_save_areas and save_call_clobbered_regs
7639 in the main loop, before calling calculate_needs_all_insns.
7640 Don't call save_call_clobbered_regs after the loop.
7641 Call delete_caller_save_insns at the end of an iteration if
7643 Delete code to manage caller_save_spill_class.
7644 Emit the final note before setting reload_first_uid.
7645 Simplify test that determines whether reload_as_needed gets run.
7646 (calculate_needs): Delete code to manage caller_save_spill_class.
7648 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
7650 * collect2.c (main): Initialize ld_file_name.
7652 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
7654 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
7655 check for flag_function_sections.
7657 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7659 * cse.c (insert_regs): Fix bug in Sep 24 change.
7661 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7663 * flags.h (flag_dump_unnumbered): Declare.
7664 * toplev.c (flag_dump_unnumbered): Don't declare.
7665 * print-rtl.c (flags.h): Include.
7666 (print_rtl_single): Add return value.
7667 * rtl.h (print_rtl_single): Update declaration.
7668 * flow.c (flag_dump_unnumbered): Don't declare.
7669 (print_rtl_with_bb): Use return value of print_rtl_single.
7671 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7673 * loop.c (count_one_set): New static function, broken out of
7675 (count_loop_regs_set): Call it.
7676 * global.c (mark_reg_store): Handle clobbers here by not calling
7678 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
7679 is in fact a clobber.
7680 * integrate.c (process_reg_param): New function, broken out of
7681 expand_inline_function.
7682 (expand_inline_function): Call it.
7685 * i386.md (addsidi3_1): Delete unused variable temp.
7686 (addsidi3_2): Likewise.
7687 (clstrstrsi): Delete unused variable addr1.
7689 * rtl.h: Don't declare any functions also declared in recog.h.
7691 * Makefile.in (stupid.o): Update dependencies.
7692 (global.o): Likewise.
7694 * global.c: Include reload.h
7695 (reg_becomes_live): New function.
7696 (reg_dies): New function.
7697 (build_insn_chain): New function.
7698 (global_alloc): Call build_insn_chain before calling reload.
7700 * reload.h (struct needs): New structure definition.
7701 (struct insn_chain): Likewise.
7702 (reload_insn_chain): Declare variable.
7703 (new_insn_chain): Declare function.
7706 * reload1.c (reload_startobj): New variable.
7707 (reload_insn_chain): New variable.
7708 (unused_insn_chains): New variable.
7709 (new_insn_chain): New function.
7710 (init_reload): Initialize reload_startobj, not reload_firstobj.
7711 (reload): Initialize reload_firstobj.
7712 Before returning, free everything on the reload_obstack.
7714 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
7715 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
7716 current_chain): New variables.
7717 (reg_where_born): Delete variable.
7718 (REG_WHERE_BORN): New macro.
7719 (find_clobbered_regs): New function.
7720 (stupid_life_analysis): Don't allocate/free reg_where_born.
7721 Allocate and free reg_where_born_exact, reg_where_born_clobber,
7722 reg_where_dead_chain.
7723 Use REG_WHERE_BORN instead of reg_where_born.
7724 While processing the insns, build the reload_insn_chain with
7725 information about register lifetimes.
7726 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
7727 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
7729 Compute and information about birth and death of pseudo registers in
7730 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
7731 Delete code to set elements of reg_where_born.
7733 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7735 * tree.def (GOTO_EXPR): Modified documentation.
7736 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
7739 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
7741 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
7742 loop_final_value, loop_comparison_code): No longer static.
7743 (unroll_loop): Delete loop_start_value update.
7744 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
7745 loop_final_value, loop_comparison_code): Extern.
7746 (loop_start_value): Delete extern.
7747 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
7748 loop_comparison_value, loop_comparison_code): Delete.
7749 (loop_optimize): Remove initialization for deleted variables.
7750 (strength_reduce): Delete analyze_loop_iterations call. Only call
7751 insert_bct if flag_branch_count_on_reg set.
7752 (analyze_loop_iterations): Delete.
7753 (insert_bct): Remove iteration count calculation. Move checks for
7754 viable BCT optimization to here. Obtain iteration count from
7755 loop_iterations and correct for unrolling. Check for enough
7756 iteration to be beneficial. Comment out runtime iteration count
7758 (insert_bct): Print iteration count in dump file. Remove
7759 loop_var_mode and use word_mode directly.
7761 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
7762 * rs6000.c (rs6000_override_options): Use it.
7763 (optimization_options): Enable use of flag_branch_on_count_reg.
7764 * rs6000.md (define_function_unit): Describe 604e.
7766 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7768 * loop.c (move_movables): Corrected threshold calculation for
7769 moved_once registers.
7771 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7773 * loop.c (combine_givs_p): Fix test for identical givs.
7775 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
7777 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
7778 call abort if the function is already defined.
7780 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
7782 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
7783 truncation is not a no-op.
7785 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
7787 * version.c: Bump for snapshot.
7789 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
7791 * version.c: Bump for snapshot.
7793 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
7795 * expmed.c (expand_divmod): Don't widen for computing remainder
7796 if we seem to have a divmod pattern for needed mode.
7798 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
7800 * cpplib.c (macroexpand): Correct off-by-one error in handling
7803 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
7805 * combine.c (expand_field_assignment): Don't do bitwise operations
7806 on MODE_FLOAT; pun to MODE_INT if possible.
7808 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
7809 scott snyder <snyder@d0sgif.fnal.gov>
7811 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
7812 linker. Recognize mangled names in quotes.
7814 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7816 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
7817 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
7818 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
7819 (lshrsi3_extend, lshrsi3_extend2): Ditto.
7821 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7823 * function.c (purge_addressof_1): If trying to take a sub-word
7824 integral piece of a floating point mode, put it on the stack.
7826 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
7828 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
7830 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
7832 * PROJECTS: Remove template friends.
7834 * collect2.c (sort_ids): Remove unused variable.
7836 * tm.texi (MATH_LIBRARY): Document.
7837 (NEED_MATH_LIBRARY): Remove.
7839 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
7840 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
7842 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
7844 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
7845 last_end to 0x7fffffff.
7847 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7849 * function.c (purge_addressof_1): Do not perform endianness
7850 corrections on bitpos, who we call will do it for us.
7852 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
7854 * h8300.c (WORD_REG_USED): Fix typo.
7855 (initial_offset): Use WORD_REG_USED.
7857 * h8300.c (handle_pragma): Fix typo.
7859 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7861 * caller-save.c (insert_save_restore): Break this function up
7862 into new functions insert_restore, insert_save and insert_one_insn.
7863 All callers changed.
7864 (insert_restore): New function, mostly broken out of
7865 insert_save_restore.
7866 (insert_save): Likewise.
7867 (insert_one_insn): Likewise.
7868 (restore_referenced_regs): New argument BLOCK. All callers changed.
7869 (save_call_clobbered_regs): Don't keep track of basic block boundaries
7870 in this function, do it in insert_one_insn instead.
7872 * reload1.c (reload): Break out some more pieces into separate
7874 (dump_needs): New function, broken out of reload.
7875 (set_initial_elim_offsets): Likewise.
7876 (init_elim_table): Likewise.
7877 (update_eliminables): Likewise.
7879 * global.c (global_alloc): Delete code to manage the scratch_list.
7880 * local-alloc.c (qty_scratch_rtx): Delete.
7881 (scratch_block): Delete.
7882 (scratch_list): Delete.
7883 (scratch_list_length): Delete.
7884 (scratch_index): Delete.
7885 (alloc_qty_for_scratch): Delete.
7886 (local-alloc): Update initialization of max_qty.
7887 Delete code to manage the scratch list.
7888 Delete code to allocate/initialize qty_scratch_rtx.
7889 (block_alloc): Don't allocate quantities for scratches.
7890 Delete code to manage the scratch list.
7891 * regs.h (scratch_list): Delete declaration.
7892 (scratch_block): Delete declaration.
7893 (scratch_list_length): Delete declaration.
7894 * reload1.c (reload): Delete code to manage the scratch list.
7895 (spill_hard_reg): Likewise.
7896 (mark_scratch_live): Delete.
7898 * recog.c (alter_subreg): Delete declaration.
7900 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
7902 * Makefile.in (cccp.o): Fix typo in last patch.
7904 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7906 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
7907 * config/sh/lib1funcs.asm (___set_fpscr): Add.
7909 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
7911 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
7912 NULL_RTX as an argument.
7914 * Makefile.in (unlibsubdir): Define.
7915 (DRIVER_DEFINES): Use unlibsubdir.
7916 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
7917 (stmp-fixinc): Similarly.
7919 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
7921 * regmove.c (regmove_optimize): Add variable old_max_uid.
7922 At the end of the function, update basic_block_end.
7924 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7926 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
7927 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
7930 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
7932 * config/arm/arm.c: Improve interworking support.
7934 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7936 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
7937 copied from reload_out[r] .
7939 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
7941 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
7942 with more than three size ranges.
7944 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
7946 * rtl.c (mode_name): Add a null string at the end of the array.
7947 (mode_wider_mode): Change type to unsigned char.
7948 (mode_mask_array): New variable.
7949 (init_rtl): Update for mode_wider_mode type change.
7951 * rtl.h (mode_wider_mode): Change type to unsigned char.
7952 (mode_mask_array): Declare.
7953 (GET_MODE_MASK): Use mode_mask_array.
7955 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
7957 * calls.c (expand_call) : Encapsulate code into
7958 copy_blkmode_from_reg.
7959 * expr.c (copy_blkmode_from_reg): New function.
7960 * expr.h (copy_blkmode_from_reg): New function.
7961 * integrate.c (function_cannot_inline_p): We can inline
7963 (expand_inline_function): Use copy_blkmode_from_reg
7964 if needed. Avoid creating BLKmode REGs.
7965 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
7968 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
7970 * config/v850/v850.c: Add function prototypes.
7971 Add support for v850 special data areas.
7973 * config/v850/v850.h: Add support for v850 special data areas.
7975 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
7976 HANDLE_PRAGMA_PACK_PUSH_POP.
7977 (push_alignment): New function: Cache an alignment requested
7978 by a #pragma pack(push,<n>).
7979 (pop_alignment): New function: Pop an alignment from the
7981 (insert_pack_attributes): New function: Generate __packed__
7982 and __aligned__ attributes for new decls whilst a #pragma pack
7984 (add_weak): New function: Cache a #pragma weak directive.
7985 (handle_pragma_token): Document calling conventions. Add
7986 support for #pragma pack(push,<n>) and #pragma pack (pop).
7988 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
7989 are defined enable HANDLE_PRAGMA_PACK.
7990 Move 'struct weak_syms' here (from varasm.c).
7991 Add pragma states for push and pop pragmas.
7993 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
7996 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
7997 HANDLE_GENERIC_PRAGMAS.
7999 * varasm.c: Move definition of 'struct weak_syms' into
8001 (handle_pragma_weak): Deleted.
8003 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
8005 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
8007 * c-decl.c (start_function): Add invocation of
8008 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
8010 * tm.texi: Remove description of non-existant macro
8011 SET_DEFAULT_SECTION_NAME.
8013 (HANDLE_SYSV_PRAGMA): Document.
8014 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
8016 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
8018 * config.sub: Recognize i[34567]86-pc-udk as new target.
8019 * configure.in: Likewise.
8020 * config/i386/t-udk: New file.
8021 * config/i386/udk.h: New file.
8023 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
8025 * reorg.c (check_annul_list_true_false): Remove unused variables.
8026 (steal_delay_list_from_target): Add missing "used_annul" variable.
8027 (try_merge_delay_insns): Close out half formed comment.
8029 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8031 * cpplib.c (macroexpand): If arg->raw_before or
8032 arg->raw_after, remove any no-reexpansion escape at the
8033 beginning of the pasted token. Correct handling of whitespace
8034 markers and no-reexpand markers at the end if arg->raw_after.
8036 * toplev.c (documented_lang_options): Recognize -include,
8037 -imacros, -iwithprefix, -iwithprefixbefore.
8038 * cpplib.c (cpp_start_read): Process -imacros and -include
8039 switches at the same time and in command-line order, after
8040 initializing the dependency-output code. Emit properly nested
8041 #line directives for them. Emit a #line for the main file
8042 before processing these switches, and don't do it again
8045 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
8047 * function.c (purge_addressof_1): Use bitfield manipulation
8048 routines to handle mem mode < reg mode.
8050 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8052 * reorg.c (try_merge_delay_insns): Account for resources referenced
8053 in each instruction in INSN's delay list before trying to eliminate
8054 useless instructions. Similarly when looking at a trial insn's delay
8057 * reorg.c (check_annul_list_true_false): New function.
8058 (steal_delay_list_from_{target,fallthrough}): Call it and also
8059 refine tests for when we may annul if already filled a slot.
8060 (fill_slots_from_thread): Likewise.
8061 (delete_from_delay_slot): Return newly-created thread.
8062 (try_merge_delay_isns): Use its new return value.
8064 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
8066 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
8067 used to compute a giv or as some other non-counting use.
8069 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8071 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
8072 * local-alloc.c (find_free_reg): Use it.
8073 * global.c (find_reg): Likewise.
8074 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
8076 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
8077 * caller-save.c (init_caller_save): Use it.
8078 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
8080 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
8082 * configure.in: Add --enable-cpplib option which uses cpplib
8083 for cpp, but doesn't link cpplib into cc1. Make help text
8084 capitalization consistent.
8085 * configure: Rebuilt.
8087 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
8089 * function.c (gen_mem_addressof): If the address REG is
8090 REG_USERVAR_P make the new REG be so also.
8091 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
8092 in an attempt to clarify slightly.
8094 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
8096 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
8097 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
8099 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
8101 * toplev.c: Fix last patch.
8103 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
8105 * loop.c (get_condition): Fix typo in May 9 change.
8107 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8109 * invoke.texi (-fexceptions): Merge 2 different descriptions.
8111 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8113 * toplev.c (documented_lang_options): Spelling corrections.
8115 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8117 * configure.in: new flags --with-ld and --with-as, equivalent
8118 to setting LD and AS environment variables. Test whether
8119 specified arguments are GNU commands, and report them with
8120 checking messages. Use the specified AS for configure
8123 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
8125 * gcc.c (find_a_file): when looking for `as' and `ld', return
8126 the DEFAULT program if it exists
8127 * collect2.c (main): use DEFAULT_LINKER if it exists
8129 * gcc.c (find_a_file): the test for existence of a full
8130 pathname was reversed
8132 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
8134 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
8135 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
8137 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
8139 * tree.h (TYPE_BINFO): Document.
8141 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
8143 * i386-coff.h (dbxcoff.h): Added.
8145 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
8147 * toplev.c: fix bad patch around flag_data_sections.
8149 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
8151 * reload1.c (reload): Use reload_address_index_reg_class and
8152 reload_address_base_reg_class when setting
8153 caller_save_spill_class. (Patch generated by Jim Wilson:
8156 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
8158 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
8159 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
8160 * expr.c (store_field): Add alias_set parameter. Set the
8161 MEM_ALIAS_SET accordingly, if the target is a MEM.
8162 (expand_assignment): Use it.
8163 (store_constructor_field): Pass 0.
8164 (expand_expr): Likewise.
8166 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
8168 * flags.h: Add flag_data_sections.
8169 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
8170 (compile_file): Error if flag_data_sections not supported.
8171 * varasm.c (assemble_variable): Handle flag_data_sections.
8172 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
8173 * config/mips/elf.h: Likewise.
8174 * config/mips/elf64.h: Likewise.
8175 * invoke.texi: Describe -fdata-sections.
8177 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
8179 * invoke.texi (-ffloat-store): Clarify that this option
8180 does not affect intermediate results -- only variables.
8182 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
8184 * cpp.texi: Update for Fortran usage from Craig.
8186 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
8188 * rs6000.c (function_arg_boundary): Revert accidental change on
8191 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
8193 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
8194 (output_mi_thunk): Declare.
8196 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
8197 (output_function_profiler): Use r12 for temp, instead of r11 so
8198 that we preserve the static chain register.
8200 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
8202 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
8204 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8206 * sh.c (gen_shl_sext): Fix case 5.
8208 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8210 * reload1.c (reload_combine): Re-add line that got accidentally lost.
8212 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8214 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
8215 accessing variables until they are initialized via va_arg().
8217 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8219 * reload1.c (reload_combine): Initialize set before using.
8221 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
8223 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
8226 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
8228 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
8229 operand3 with mask before using it. Patch provided by Jim Wilson.
8231 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8233 * config/sparc/sparc.c (function_value): Perform the equivalent of
8234 PROMOTE_MODE for ARCH64.
8235 (eligible_for_epilogue_delay): Allow DImode operations in delay
8236 slot of a return for ARCH64.
8238 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8240 * sh.md (sqrtsf2): Fix mode of sqrt.
8242 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8244 * reload1.c (choose_reload_regs): Also try inheritance when
8245 reload_in is a stack slot of a pseudo, even if we already got a
8248 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8250 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
8251 (reload_cse_regs): New function body: call reload_cse_regs_1,
8252 reload_combine, reload_cse_move2add.
8253 When doing expensive_optimizations, call reload_cse_regs_1 a
8254 second time after reload_cse_move2add.
8255 (reload_combine, reload_combine_note_store): New functions.
8256 (reload_combine_note_use): New function.
8257 (reload_cse_move2add, move2add_note_store): New functions.
8259 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8261 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
8262 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
8264 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
8265 more than 3 such reloads.
8267 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
8268 RELOAD_FOR_X_ADDR_ADDR reload.
8270 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8272 * expr.c (store_constructor): When initializing a field that is smaller
8273 than a word, at the start of a word, try to widen it to a full word.
8275 * cse.c (cse_insn): When we are about to change a register,
8276 remove any invalid references to it.
8278 (remove_invalid_subreg_refs): New function.
8279 (mention_regs): Special treatment for SUBREGs.
8280 (insert_regs): Don't strip SUBREG for call to mention_regs.
8281 Check if reg_tick needs to be bumped up before that call.
8282 (lookup_as_function): Try to match known word_mode constants when
8283 looking for a norrower constant.
8284 (canon_hash): Special treatment for SUBREGs.
8286 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8288 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
8289 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
8290 defined, emit libcall to __enable_execute_stack. Also fix opcodes
8291 and offsets in actual stack trampoline code so they match the
8292 commentary and actually work.
8294 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8296 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
8298 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
8299 tmake_file. Set extra_parts to needed crt objects.
8300 * configure: Rebuilt.
8301 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
8302 (TARGET_DEFAULT): Set if default is v9 or ultra.
8303 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
8304 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
8305 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
8306 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
8307 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
8308 (TARGET_VERSION): Define.
8309 (MULTILIB_DEFAULT): Define.
8310 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
8311 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
8312 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
8314 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
8315 * config/sparc/sparc.c (sparc_override_options): If arch and
8316 pointer size disagree, emit diagnostic and fix it up. If
8317 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
8318 V8PLUS in 64-bit mode.
8319 * config/sparc/t-linux64: New file.
8320 * config/sparc/t-sol2-64: New file.
8321 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
8322 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
8323 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
8324 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
8325 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
8326 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
8328 (STARTFILE_SPEC): Set approriately based upon those.
8329 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
8330 disposition of DEFAULT_ARCH32_P.
8331 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
8332 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
8333 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
8334 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
8335 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
8337 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
8339 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
8341 * rtl.h (init_virtual_regs): New function.
8342 * emit-rtl.c (init_virtual_regs): Define.
8343 (insn_emit): Use it.
8344 * integrate.c (save_for_inline_copying): Likewise.
8346 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
8348 * config/arm/thumb.h: The following patches were made by Jim Wilson:
8349 (enum reg_class): Add NONARG_LO_REGS support.
8350 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8351 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
8352 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
8353 completes. Re-enable HImode REG+OFFSET addresses.
8354 (LEGITIMIZE_RELOAD_ADDRESS): Define.
8356 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
8358 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
8360 * alpha.c (get_aligned_mem): Revert Sep 20 change.
8361 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
8362 (alpha_align_insns): Properly calculate initial offset wrt max_align.
8364 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
8366 * arm.c (find_barrier): Revert change of Apr 23. Handle table
8367 jumps as a single entity, taking into account the size of the
8370 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
8372 * tree.def (SWITCH_EXPR): New tree node definition.
8374 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
8376 * version.c: Bump for snapshot.
8378 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
8380 * version.c: Bump for snapshot.
8382 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
8384 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
8387 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
8389 * Revert this patch.
8390 * reload.c (find_reloads): Do not replace a pseudo with
8391 (MEM (reg_equiv_addr)) in the initializing insn for the
8394 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
8396 * final.c (final_scan_insn): Disable tracking CC across branches.
8398 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8400 * expr.h (eh_rtime_match_libfunc): New extern declaration.
8401 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
8402 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
8403 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
8404 NULL. Only include <stdio.h> if inhibit_libc is not defined.
8406 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
8408 * toplev.c (rest_of_compilation): Skip compiling anything with
8409 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
8411 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
8413 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
8414 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
8415 use in_libcall_block.
8416 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
8417 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
8420 Mon Sep 21 14:02:23 1998
8422 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
8423 typo in no-fancy-math-387 description.
8425 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
8427 * version.c: Bump for snapshot.
8429 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
8431 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
8433 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
8435 * i386.h: (TARGET_SWITCHES) Add description fields for flags
8436 documented in install.texi.
8437 (TARGET_OPTIONS) Likewise.
8439 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
8441 * version.c: Bump for snapshot.
8443 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
8445 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
8446 * cccp.c (main): Likewise.
8448 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
8449 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
8452 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
8454 * Makefile.in (LIBS): Link in libiberty.a.
8455 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
8457 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
8459 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
8460 it to update bb boundaries. Update caller.
8461 * function.c (reposition_prologue_and_epilogue_notes): Update
8462 bb boundaries wrt the moved note.
8464 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
8466 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
8468 * configure: Regenerate.
8470 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
8472 * alpha.c (alpha_sr_alias_set): New variable.
8473 (override_options): Set it.
8474 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
8475 (mode_mask_operand): Fix signed-unsigned comparision warning.
8476 (alpha_expand_block_move): Likewise.
8477 (print_operand): Likewise.
8478 (get_aligned_mem): Use change_address.
8479 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
8480 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
8481 (alphaev4_next_nop, alphaev5_next_nop): New functions.
8482 (alpha_align_insns): Remade from old alphaev5_align_insns
8483 to handle multiple processors.
8484 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
8485 * output.h (label_to_alignment): Prototype.
8487 * tree.c (new_alias_set): New function.
8488 * tree.h (new_alias_set): Declare it.
8489 * c-common.c (c_get_alias_set): Use it.
8491 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
8493 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
8494 to an ABS expr, convert an unsigned input to signed.
8496 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
8498 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
8500 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8502 * configure.in: Add support for c4x targets.
8503 * configure: Rebuilt.
8505 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
8507 * combine.c (distribute_notes): If an insn is a cc0 user, only
8508 delete it if we can also delete the cc0 setter.
8510 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
8512 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
8513 (invert_truthvalue): Enable truthvalue inversion for
8514 floating-point operands if -ffast-math.
8516 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
8518 * configure.in: Disable collect2 for nextstep. Instead use
8520 * configure: Rebuilt.
8521 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
8522 (ENDFILE_SPEC): Define.
8523 (OBJECT_FORMAT_MACHO): Define.
8524 (EH_FRAME_SECTION_ASM_OP): Define.
8525 * crtstuff.c: Handle MACHO.
8527 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
8529 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
8531 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
8533 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
8534 (_fpadd_parts): Get sign right for 0.
8536 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8538 * ginclude/varargs.h: Add support for C4x target.
8539 * ginclude/stdargs.h: Likewise.
8541 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
8543 * alpha.c (alpha_return_addr): SET should be VOIDmode.
8544 (alpha_emit_set_long_const): Rewrite to be callable from reload
8546 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
8547 * alpha.md (movdi): Likewise.
8549 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
8551 * arm.c (add_constant): New parameter address_only, change caller.
8552 Set it non-zero if taking the address of an item in the pool.
8553 (arm_reorg): Handle cases where we need the address of an item in
8556 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
8558 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
8559 memory addresses that are not in standard canonical form.
8561 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
8563 * README.C4X: New file with information about the c4x ports.
8564 * ginclude/va-c4x.h: New file for c4x varargs support.
8565 * config/c4x: New directory with c4x port files.
8567 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
8569 * reload.c (find_reloads): Do not replace a pseudo with
8570 (MEM (reg_equiv_addr)) in the initializing insn for the
8573 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
8575 * toplev.c (rest_of_compilation): Set bct_p on second call to
8577 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
8579 (strength_reduce): Only call analyze_loop_iterations and
8580 insert_bct if bct_p set.
8581 (check_dbra_loop): Fix typo.
8582 (insert_bct): Use word_mode instead of SImode.
8583 (instrument_loop_bct): Likewise. Do not delete iteration count
8584 condition code generation insn. Initialize iteration count before
8586 * rtl.h (loop_optimize): Update prototype.
8588 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
8589 not doubleword aligned.
8591 * rs6000.c (optimization_options): New function.
8592 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
8593 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
8594 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
8595 first; cr1 can be used for FP record condition insns.
8597 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
8599 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
8602 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
8605 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
8607 (block_move_call): New function: Call a library routine to copy a
8609 (m32r_expand_block_move): New function: Expand a "movstrsi"
8610 pattern into a sequence of insns.
8611 (m32r_output_block_move): New function: Expand a
8612 "movstrsi_internal" pattern into a sequence of assembler opcodes.
8613 (m32r_block_immediate_operand): New function: Return true if the
8614 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
8616 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8618 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
8620 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
8622 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8624 * regmove.c (copy_src_to_dest): Check that modes match.
8626 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
8628 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
8630 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
8632 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
8633 narrower than FLOAT_REGS.
8635 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8637 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
8639 * Makefile.in (old_gxx_include_dir): removed
8641 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
8643 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
8646 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
8647 (sh_handle_pragma): Change function arguments to match new
8648 specification for HANDLE_PRAGMA.
8650 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8652 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
8654 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
8655 When generating output, initialize missing struct member to zero.
8657 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8659 * regmove.c (copy_src_to_dest): Don't copy if that requires
8660 (a) new register(s).
8662 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8664 * global.c (reg_allocno): Now static.
8665 * reload1.c (reg_allocno): Delete declaration.
8666 (order_regs_for_reload): Take no arguments. Don't treat regs
8667 allocated by global differently than those allocated by local-alloc.
8669 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
8671 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
8672 condition, fix format strings.
8673 (output_function_epilogue): Likewise.
8675 * m68k/m68k.c: Don't include <stdlib.h> directly.
8677 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
8679 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
8680 mem_first_set, mem_last_set; because 0 can be a CUID.
8681 (oprs_unchanged_p): Use new definition.
8682 (record_last_reg_set_info): Likewise.
8683 (record_last_mem_set_info): Likewise.
8684 (compute_hash_table): Likewise.
8686 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
8688 * rs6000.c (output_epilogue): Handle Chill.
8690 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
8691 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
8693 * combine.c (make_extraction): If no mode is specified for
8694 an operand of insv, extv, or extzv, default it to word_mode.
8695 (simplify_comparison): Similarly.
8696 * expmed.c (store_bit_field): Similarly.
8697 (extract_bit_field): Similarly.
8698 * function.c (fixup_var_regs_1): Similarly.
8699 * recog.c (validate_replace_rtx_1): Similarly.
8700 * mips.md (extv, extzv, insv expanders): Default modes for most
8701 operands. Handle TARGET_64BIT.
8702 (movdi_uld, movdi_usd): New patterns.
8704 * pa.c (emit_move_sequence): Do not replace a pseudo with its
8705 equivalent memory location unless we have been provided a scratch
8706 register. Similarly do not call find_replacement unless a
8707 scratch register has been provided.
8709 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8711 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
8714 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
8716 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
8717 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
8718 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
8719 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
8720 * c-decl.c (init_decl_processing): Update accordingly.
8721 * expr.c (expand_builtin): Likewise.
8723 * rtl.h (global_rtl): Add cfa entry.
8724 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
8725 (LAST_VIRTUAL_REGISTER): Update.
8726 * emit-rtl.c (global_rtl): Add cfa entry.
8727 (init_emit): Initialize it.
8728 * function.c (cfa_offset): New.
8729 (instantiate_virtual_regs): Initialize it.
8730 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
8731 (expand_function_end): Call expand_eh_return.
8732 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
8734 * except.c (current_function_eh_stub_label): Kill.
8735 (current_function_eh_old_stub_label): Likwise; update all references.
8736 (expand_builtin_set_return_addr_reg): Kill.
8737 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
8738 (expand_builtin_set_eh_regs): Kill.
8739 (eh_regs): Produce a third reg for the actual handler address.
8740 (eh_return_context, eh_return_stack_adjust): New.
8741 (eh_return_handler, eh_return_stub_label): New.
8742 (init_eh_for_function): Initialize them.
8743 (expand_builtin_eh_return, expand_eh_return): New.
8744 * except.h: Update prototypes.
8745 * flow.c (find_basic_blocks_1): Update references to the stub label.
8746 * function.h (struct function): Kill stub label elements.
8748 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
8749 register number is one that would be in the previous window.
8750 Provide a dummy definition for non-windowed targets.
8751 (get_reg_addr): New function.
8752 (get_reg, put_reg, copy_reg): Use it.
8753 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
8754 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
8756 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
8757 (alpha_init_expanders): Initialize it.
8758 (alpha_expand_epilogue): Use it.
8759 * alpha.h: Declare it.
8760 * alpha.md (eh_epilogue): New.
8762 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
8763 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
8765 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
8767 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
8770 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8772 * except.h (struct eh_entry): Add false_label field.
8773 (end_catch_handler): Add prototype.
8774 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
8775 (start_catch_handler): When using old style exceptions, issue
8776 runtime typematch code before continuing with the handler.
8777 (end_catch_handler): New function, generates label after handler
8778 if needed by older style exceptions.
8779 (expand_start_all_catch): No need to check for new style exceptions.
8780 (output_exception_table_entry): Only output the first handler label
8781 for old style exceptions.
8782 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
8783 mechanism into one function, if a runtime matcher is provided.
8785 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
8787 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
8789 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
8791 * integrate.c (copy_decl_list): Fix typo.
8793 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8795 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
8798 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
8800 * version.c: Bump for snapshot.
8802 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
8804 * version.c: Bump for snapshot.
8806 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
8808 * version.c: Bump for snapshot.
8810 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8812 * invoke.texi (C Dialect Options): Put back missing @end itemize.
8814 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
8816 * configure.in: remove usage of `!' to negate the result of a
8817 command; some common shells do not support it
8819 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8821 * configure.in: in sparc9-sol2 config, use 'if test' not
8823 * configure: Rebuilt.
8825 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
8827 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
8828 (CPP_CPU_DEFAULT_SPEC): Likewise.
8829 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
8830 for arch64 libfuncs.
8832 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
8835 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8837 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
8839 * collect2.c: Don't declare `sys_siglist' here.
8840 (my_strsignal): Prototype and define new function. Use it in
8841 place of `sys_siglist' hacks.
8843 * mips_tfile.c: Likewise.
8845 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
8846 (GCC_NEED_DECLARATIONS): Likewise.
8848 * system.h (strsignal): Prototype it, if necessary.
8849 (sys_siglist): Declare it, if necessary.
8851 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8853 * loop.c (move_movables): While removing insn sequences, preserve
8854 the next pointer of the most recently deleted insn when we skip
8857 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
8859 * objc/config-lang.in: Do not output the name of the selected
8860 thread file when building the front-end. The Makefile for the
8861 runtime library will do this.
8863 * objc/Make-lang.in: Do not build the runtime library or install
8864 the Objective C header files. The Makefile for the runtime
8865 library will do this.
8867 * objc/Makefile.in (all.indirect): Only build the front-end.
8868 (compiler): Rename to `frontend'.
8869 (obj-runtime): Remove target.
8870 (copy-headers): Likewise.
8871 (clean): No need to remove `libobjc.a' any longer.
8873 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
8875 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
8876 supported with -mcpu=xxx.
8878 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8880 * flow.c (mark_set_1): Recognize multi-register structure return
8881 values in CALL insns.
8882 (mark_used_regs): Likewise.
8883 (count_reg_sets_1): Likewise.
8884 (count_reg_references): Likewise.
8885 * rtlanal.c (note_stores): Likewise.
8886 (reg_overlap_mentioned_p): Likewise.
8887 * haifa-sched.c (check_live_1): Likewise.
8888 (update_live_1): Likewise.
8889 (sched_analyze_1): Likewise.
8890 (sched_note_set): Likewise.
8891 (birthing_insn_p): Likewise.
8892 (attach_deaths): Likewise.
8894 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
8897 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
8899 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
8901 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8903 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
8905 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
8907 * configure.in: Add check for GAS subsection -1 support.
8908 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
8909 * configure config.in: Rebuilt.
8910 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
8911 SImode is subsection -1 works, else use DImode.
8912 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
8913 subsection -1 works.
8914 * config/sparc/sparc.c (sparc_output_addr_vec,
8915 sparc_output_addr_diff_vec): Use them if defined.
8917 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
8919 * tree.h (DECL_ORIGIN): New macro.
8920 * integrate.c (copy_and_set_decl_abstract_origin): New function.
8921 (copy_decl_list): Use it.
8922 (integrate_parm_decls): Likewise.
8923 (integrate_decl_tree): Likewise.
8924 * dwarf2out.c (decl_ultimate_origin): Simplify.
8925 * dwarfout.c (decl_ultimate_origin): Likewise.
8926 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
8927 (pushdecl): Likewise.
8929 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
8931 * config/rs6000/rs6000.c (output_epilog): Add Java support.
8933 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
8935 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
8937 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
8939 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
8940 empty or has a single entry.
8942 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
8943 before calling reg_to_stack.
8945 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
8947 * alpha.c (alphaev5_insn_pipe): Abort on default case.
8948 (alphaev5_next_group): Swallow CLOBBERs and USEs.
8950 * c-tree.h (warn_long_long): Declare it.
8952 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
8954 * emit-rtl.c (gen_lowpart_common): Disable optimization of
8955 initialized float-int union if the value is a NaN.
8957 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
8959 * c-lex.c (real_yylex): Don't warn about long long constants if
8960 we're allowing long long
8962 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8964 * except.h (current_function_eh_stub_label): Declare.
8965 (current_function_eh_old_stub_label): Declare.
8966 * function.h (struct function): New members eh_stub_label and
8968 * except.c (current_function_eh_stub_label): New variable.
8969 (current_function_eh_old_stub_label): New variable.
8970 (init_eh_for_function): Clear them.
8971 (save_eh_status): Save them.
8972 (restore_eh_status): Restore them.
8973 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
8974 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
8975 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
8976 make an edge from the block that contains it to the block starting
8977 with the label if this label is one of the eh stub labels.
8978 If eh stub labels exist, show they are reachable from the last block
8981 * reload1.c (reload): Break out several subroutines and make some
8983 (calculate_needs_all_insns): New function, broken out of reload.
8984 (calculate_needs): Likewise.
8985 (find_reload_regs): Likewise.
8986 (find_group): Likewise.
8987 (find_tworeg_group): Likewise.
8988 (something_needs_reloads): New global variable, formerly in reload.
8989 (something_needs_elimination): Likewise.
8990 (caller_save_spill_class): Likewise.
8991 (caller_save_group_size): Likewise.
8992 (max_needs): Likewise.
8993 (group_size): Likewise.
8994 (max_groups): Likewise.
8995 (max_nongroups): Likewise.
8996 (group_mode): Likewise.
8997 (max_needs_insn): Likewise.
8998 (max_groups_insn): Likewise.
8999 (max_nongroups_insn): Likewise.
9000 (failure): Likewise.
9002 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
9004 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
9006 * loop.c (load_mems): Copy rtx for output mem.
9008 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
9010 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
9011 mips1 or mips2 either.
9013 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
9015 * pa.c (pa_reorg): New marking scheme for jumps inside switch
9017 (pa_adjust_insn_length): Update to work with new marking scheme
9018 for jumps inside switch tables.
9019 * pa.md (switch_jump): Remove pattern.
9020 (jump): Handle jumps inside jump tables.
9022 * Makefile.in (profile.o): Depend on insn-config.h
9024 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
9026 * iris6.h (DWARF2_UNWIND_INFO): Undef.
9028 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9030 Add preliminary native sparcv9 Solaris support.
9031 * configure.in: Recognize sparv9-*-solaris2*
9032 * configure: rebuilt
9033 * config.sub: Recognize sparcv9 just like sparc64.
9034 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
9035 config/sparc/sol2-cn.asm: Macroize so it can be shared between
9036 32-bit and 64-bit Solaris systems.
9037 * config/sparc/t-sol2: Assemble those with cpp.
9038 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
9039 (*TF*_LIBCALL): If ARCH64 use V9 names.
9040 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
9042 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9044 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
9045 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
9047 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
9049 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
9050 to Pmode if CASE_VECTOR_MODE is something else.
9052 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
9054 * prefix.c (update_path): Correctly handle cases where PATH is
9055 a substring of the builtin prefix, but specifies a different
9058 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
9060 * expr.c: Corrected comment about what MOVE_RATIO does.
9061 * config/alpha/alpha.h: Ditto.
9062 * config/1750a/1750a.h: Ditto.
9063 * config/clipper/clipper.h: Ditto.
9064 * config/i386/i386.h: Ditto.
9066 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
9068 * configure.in (m68k-next-nextstep3*): Use collect2.
9069 Similarly for x86 NeXT configurations.
9070 * configure: Rebuilt.
9072 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
9074 * configure.in: Don't assume srcdir is .../gcc
9075 * configure: Rebuilt.
9077 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
9079 * global.c: Update comments.
9080 (global_alloc): Assign allocation-numbers
9081 even for registers allocated by local_alloc in case
9082 they are later spilled and retry_global_alloc is called.
9083 (mark_reg_store, mark_reg_clobber,
9084 mark_reg_conflicts, mark_reg_death): Always record a
9085 conflict with a pseudo register even if it has been
9086 assigned to a hard register.
9087 (dump_conflicts): Don't list pseudo registers already assigned to
9088 a hard register as needing to be allocated, but do list their
9090 * local-alloc.c: Update comment.
9092 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
9094 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
9095 * configure: Rebuilt.
9097 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
9099 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
9101 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
9102 for all targets that set -msoft-float.
9104 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9106 * toplev.c (print_switch_values): Make static to match prototype.
9108 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
9110 * configure.in: If we are unable to find the "gnatbind" program,
9111 then do not configure the ada subdir.
9112 * configure: Rebuilt.
9114 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
9116 * version.c: Bump for snapshot.
9118 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
9120 * version.c: Bump for snapshot.
9122 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9124 * Makefile.in (toplev.o): Depend on $(EXPR_H).
9125 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
9127 * gansidecl.h: Define ATTRIBUTE_NORETURN.
9129 * genattrtab.c: Have insn-attrtab.c include toplev.h.
9131 * genextract.c: Have insn-extract.c include toplev.h.
9133 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
9135 * toplev.c: Include expr.h.
9136 (really_sorry, fancy_abort): Remove prototypes.
9137 (set_target_switch): Add argument in prototype.
9138 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
9139 (v_really_sorry): Likewise.
9140 (print_version, print_single_switch, print_switch_values): Make
9141 static and add prototype arguments.
9142 (decl_printable_name): Add prototype arguments.
9143 (lang_expand_expr_t): New typedef.
9144 (lang_expand_expr): Declare as a lang_expand_expr_t.
9145 (incomplete_decl_finalize_hook): Add prototype argument.
9146 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
9147 (botch): Likewise for variable `s'.
9148 (rest_of_type_compilation): Mark variables `type' and `toplev'
9149 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
9150 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
9151 (display_help): Make variable `i' an `unsigned long'.
9152 (main): Remove unused parameter `envp'.
9153 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
9154 Cast -1 when comparing it with a `size_t'.
9156 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
9157 prototype with ATTRIBUTE_NORETURN.
9158 (fatal_insn_not_found, fatal_insn, really_sorry,
9159 push_float_handler, pop_float_handler): Add prototypes.
9160 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
9161 (do_abort, botch): Add prototypes.
9163 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
9165 * final.c (final): If a label is reached only from a single jump,
9166 call NOTICE_UPDATE_CC on the jump and its predecessor before
9167 emitting the insn after the label.
9169 * i386.h: Add AMD K6 support.
9170 Change TARGET_* macros to use table lookup.
9171 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
9172 (ADJUST_COST): Change definition to call function in i386.c.
9173 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
9174 * i386.c: Add AMD K6 support.
9175 Add constants for feature tests used by TARGET_* macros.
9176 (split_di): If before reload, call gen_lowpart and gen_highpart.
9177 (x86_adjust_cost): New function.
9178 (put_jump_code): New function.
9179 (print_operand): New codes 'D' and 'd'.
9180 * i386.md: New insn types. New insn attribute "memory".
9181 Redefine scheduling parameters to use new types and add AMD K6
9182 support. Explicitly set type of most insns.
9183 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
9184 Pro and K6 prefer movl $1,reg to incl reg.
9185 (adddi3, subdi3): Set cc_status.
9186 (DImode shift patterns): Change label counters from HOST_WIDE_INT
9187 to int; x86 can't have more than 2^31 DImode shifts per file.
9188 (setcc): Combine all setcc patterns. Allow writing memory.
9189 Combine all jump patterns using match_operator.
9190 (*bzero): Name pattern. Emit mutliple stos instructions when that
9191 is faster than rep stos.
9192 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
9195 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
9197 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
9200 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
9202 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
9203 not whatever we're generating now.
9205 * alpha.c (set_frame_related_p, FRP): New.
9206 (alpha_expand_prologue): Mark frame related insns.
9207 (alpha_expand_epilogue): Likewise, but with a null FRP.
9208 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
9209 * alpha.md (exception_receiver): New.
9210 * alpha/crtbegin.asm (.eh_frame): New beginning.
9211 (__do_frame_setup, __do_frame_takedown): New.
9212 * alpha/crtend.asm (.eh_frame): New ending.
9213 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
9214 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
9215 (ASM_FILE_START): Don't emit .file for dwarf2.
9217 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
9218 * rtl.c (reg_note_name): Likewise.
9219 * rtl.texi (REG_NOTES): Likewise.
9220 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
9223 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
9225 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
9226 * i386.md (movsf, movdf, movxf): Validate memory address returned
9227 from force_const_mem. Kill useless REG_EQUAL setting code.
9229 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
9231 * m68k.md (zero_extendsidi2): Fix typo.
9233 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
9235 * configure.in: Removed references to the removed file
9236 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
9237 * arm*-*-netbsd* and ns32k-*-netbsd*.
9238 * config/i386/xm-netbsd.h: Removed unnecessary file.
9239 * config/m68k/xm-netbsd.h: Likewise.
9240 * config/sparc/xm-netbsd.h: Likewise.
9241 * config/mips/xm-netbsd.h: Likewise.
9243 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
9245 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
9246 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
9248 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
9249 for exact section attributions.
9251 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
9253 * i386/crtdll.h (CPP_PREDEFINES): Define.
9255 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
9257 * m68k.md (5200 movqi): Do not allow byte sized memory references
9259 * m68k.c (output_move_qimode): Do not use byte sized operations on
9262 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
9263 explicit rules for building. Similarly for alloca, vfprintf,
9264 choose-temp and mkstemp, getopt, getopt1, and obstack.
9265 (INCLUDES): Add $(srcdir)/../include.
9266 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
9267 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
9269 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
9271 * gcc.c (do_spec_1): [case 'o'] Account for
9272 lang_specific_extra_outfiles.
9273 (main): Correctly clear all slots in outfiles for
9274 lang_specific_extra_outfiles. Set input_file_number before
9275 calling lang_specific_pre_link.
9277 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
9279 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
9281 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9283 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
9285 (sparc_output_deferred_case_vectors): If no work to do, return.
9286 Fix thinko in Sept 1 change.
9288 1998-09-03 SL Baur <steve@altair.xemacs.org>
9290 * Makefile.in: add semicolon in BISON definition for portability.
9292 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
9294 * config/nextstep.c (handle_pragma): Correct name of third
9297 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
9299 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
9300 * config/m32r/m32r.h: Make register 17 be fixed.
9301 * config/m32r/m32r.c: Use SImode for cc operations.
9303 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
9305 * invoke.texi (Warning Options): Add -Wnon-template-friend
9308 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
9310 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
9312 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
9314 * rs6000.md (movsf): Disable explicit secondary-reload-like
9315 functionality if TARGET_POWERPC64.
9316 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
9319 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
9321 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
9322 and term.h from fixinc.wrap.
9324 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9326 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
9327 safe to include both string.h and strings.h together.
9328 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
9329 which headers to search for function declarations. Continue to
9330 prefer string.h over strings.h when both are not acceptable.
9332 * acconfig.h (STRING_WITH_STRINGS): Add stub.
9334 * configure.in: Call GCC_HEADER_STRING.
9336 * system.h: Test STRING_WITH_STRINGS when deciding which headers
9337 to include. Continue to prefer string.h over strings.h when both
9340 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9342 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
9343 not assume top 32-bits of symbolic addresses are zero if
9346 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
9348 * ginclude/va-alpha.h: Protect entire second portion of the
9349 file against double inclusion.
9351 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
9353 Added support for the Boehm's garbage collector.
9354 * configure.in: Handle --enable-objc-gc.
9355 * configure: Rebuilt.
9356 * Makefile.in (CHECK_TARGETS): Add check-objc.
9357 (check-objc): New rule.
9358 * objc/Make-lang.in: Build a different Objective-C library that
9359 runs with the Boehm's collector.
9360 * objc/encoding.c (objc_round_acc_size_for_types): New function.
9361 * objc/encoding.c: Correctly compute the size of compound types in
9362 the presence of bitfields. Skip the variable name of the type if
9363 any. Added support for long long.
9364 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
9365 (_F_GCINVISIBLE): New mask.
9366 * objc/gc.c: New file. Compute the type memory mask associated with
9367 a class based on the runtime information.
9368 * objc/misc.c: Added the hooks that use the Boehm's collector
9369 allocation functions.
9370 * objc/objc-act.c (build_class_template): Generate a new class
9371 member (gc_object_type) to hold the class' type memory mask.
9372 (build_shared_structure_initializer): Initialize the new member to
9374 (encode_complete_bitfield): New function. Generate the new
9376 (encode_field_decl): Generate the new encoding only for the GNU
9378 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
9380 (class_get_gc_object_type): New function to mark a pointer instance
9381 variable as a weak pointer.
9382 * objc/objc-features.texi: New file.
9383 * objc/objc.h (gc_object_type): New class member.
9384 * objc/objects.c (class_create_instance): Create a typed memory
9385 object when compiled with Boehm's collector support.
9386 * objc/sendmsg.c (__objc_init_install_dtable): Call
9387 __objc_send_initialize instead of setting the initialize flag.
9388 (__objc_send_initialize): Call __objc_generate_gc_type_description
9389 to generate the class type memory mask. Rewrite the code that
9390 sends the +initialize so that it is called only once (bug report
9391 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
9392 * testsuite/objc: New testsuite for Objective-C type encoding.
9393 * testsuite/lib/objc-torture.exp: New file.
9394 * testsuite/lib/objc.exp: New file.
9396 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
9398 * jump.c (jump_optimize): In if/then/else transformations, add
9399 another call to modified_between_p for the jump insn.
9401 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
9403 * fix-header.c (symlink): Treat like readlink.
9405 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9407 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
9410 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
9412 * config/nextstep.h: Update HANDLE_PRAGMA macro.
9413 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
9414 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
9416 * config/nextstep.c (handle_pragma): Take three arguments, as per
9417 the new HANDLE_PRAGMA macro specification.
9418 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
9419 per the new HANDLE_PRAGMA macro specification.
9420 * config/i960/i960.c (process_pragma): Take three arguments, as
9421 per the new HANDLE_PRAGMA macro specification.
9423 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
9425 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
9426 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
9427 if unknown pragmas are encountered.
9428 (handle_sysv_pragma): Interpret return code from
9429 handle_pragma_token (). Return success/failure indication rather
9430 than next unprocessed character.
9431 (pragma_getc): New function: retrieves characters from the
9432 input stream. Defined when HANDLE_PRAGMA is enabled.
9433 (pragma_ungetc): New function: replaces characters back into the
9434 input stream. Defined when HANDLE_PRAGMA is enabled.
9436 * c-pragma.c (handle_pragma_token): Return success/failure status
9439 * c-pragma.h: Change prototype of handle_pragma_token().
9441 * varasm.c: (handle_pragma_weak): Only create this function if
9442 HANDLE_PRAGMA_WEAK is defined.
9444 * c-common,c (decl_attributes): If defined call the expression
9445 contained within the INSERT_ATTRIBUTES macro before adding
9446 attributes to a decl.
9448 * tm.texi (HANDLE_PRAGMA): Document the new verion of
9449 HANDLE_PRAGMA, which takes three arguments.
9450 (INSERT_ATTRIBUTES): Document this new macro.
9452 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
9453 new INSERT_ATTRIBUTES macro.
9455 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9457 * config/sparc/sparc.md (movdf): Only generate special RTL for
9458 LABEL_REFs when PIC.
9459 (move_label_di): Remove
9460 (movdi_pic_label_ref, movdi_high_pic_label_ref,
9461 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
9462 references when PIC.
9463 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
9464 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
9465 output an .xword for all 64-bit cases.
9467 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9469 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
9470 alignment, use FUNCTION_BOUNDARY instead.
9471 (sparc_output_deferred_case_vectors): Likewise.
9473 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9475 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
9476 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
9478 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
9480 * alpha/va_list.h: New file.
9481 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
9483 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
9485 * NEWS: Add SCO Openserver and Unixware 7 notes.
9489 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
9491 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
9492 (record_constant_1): Handle RANGE_EXPR.
9494 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
9496 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
9497 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
9498 and NOTE_INSN_RANGE_END specially.
9499 (reemit_notes): Likewise.
9501 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9503 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
9504 (ultrasparc_sched_init): Remove unneeded &.
9506 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
9508 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
9509 for m68020-60, to prevent the use of fintrz.
9511 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
9513 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
9515 * Makefile.in: Likewise.
9516 * configure: Regenerated.
9518 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
9520 * configure.in (gxx_include_dir): Changed to
9521 '${prefix}/include/g++'-${libstdcxx_interface}.
9522 * configure: Rebuilt.
9524 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
9526 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
9528 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
9529 *sequences* *below* which scalar moves will be used.
9531 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
9533 * collect2.c (mktemp): Delete unused declaration.
9535 * config/xm-netbsd.h: Remove unnecessary file.
9536 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
9537 file anymore, it is not needed.
9539 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
9541 * convert.c (convert_to_integer): Issue an error on conversions to
9544 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
9546 * Makefile.in: Add lang_tree_files and gencheck.h.
9547 * configure.in: Generate them.
9548 * gencheck.c: Include gencheck.h.
9550 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9552 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
9553 movdi_lo_sum_pic and movdi_high_pic and make visible.
9554 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
9555 emit these when Pmode is not SImode.
9556 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
9558 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
9560 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
9561 .linkonce directive after the first time.
9563 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
9565 * m68k.md (beq0_di): Generate correct (and more efficient) code when
9566 the clobbered operand overlaps with an input.
9567 (bne0_di): Similarly.
9569 * Makefile.in (INSTALL): Remove "--no-header" argument.
9571 * NEWS: Various updates.
9573 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9575 * config/sparc/sparc.c (arith_operand, const64_operand,
9576 const64_high_operand, arith_double_4096_operand): Mark mode as
9578 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
9580 (sparc_emit_set_const64): Remove unused variable i.
9581 (sparc_splitdi_legitimate): Likewise for addr_part.
9582 (ultra_code_from_mask): Likewise for mask.
9583 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
9584 reverse return values so it matches usage and comments.
9585 (ultra_flush_pipeline): Likewise.
9586 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
9587 this_type, and allow loads and stores of differing FP modes as
9588 they do not create a conflict.
9589 (ultra_find_type): Initialize fpmode to SFmode, fix
9590 parenthesization thinkos in large conditional.
9591 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
9592 Init free_slot_mask after ultra_cur_hist is reset, not before.
9593 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
9594 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
9595 use ultra_flush_pipeline instead, then re-init group pointer.
9596 Fix statement with no effect. If no progress made in, and no
9597 instructions scheduled at all, advance to new pipeline cycle else
9598 we get into an endless loop.
9599 (ultrasparc_adjust_cost): Remove previous arg.
9600 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
9602 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
9604 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
9605 code. Use reg_overlap_mentioned_p to detect when source and
9606 destination overlap.
9607 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
9609 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
9611 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
9612 COMPARISON_VAL, into invariant_p.
9614 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9616 * regmove.c (regclass_compatible_p): New function.
9617 (regmove_optimize): Use it.
9619 Use NREGS parameter insted of calling max_reg_num.
9621 (fixup_match_1): Don't use code = MINUS when later tieing with
9622 a hard register is likely.
9624 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9626 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
9627 COMPARISON_VAL was normalized.
9629 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
9631 * loop.c (check_dbra_loop): The loop ending comparison value
9632 must be an invariant or we can not reverse the loop.
9634 * loop.c (scan_loop): Count down from max_reg_num - 1 to
9635 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
9637 (load_mems_and_recount_loop_regs_set): Likewise.
9639 * i386.c (print_operand): Remove obsolete 'c' docs.
9641 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
9643 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
9644 * frame.c (init_object_mutex): New function.
9645 (init_object_mutex_once): Likewise.
9646 (find_fde): Call it.
9647 (__register_frame_info): Likewise.
9648 (__register_frame_info_table): Likewise.
9649 (__deregister_frame_info): Likewise.
9651 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
9653 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
9655 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9657 * loop.c (check_dbra_loop): Enable code for reversal
9658 of some loops without a known constant loop end.
9660 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
9662 * haifa-sched.c (last_clock_var): New.
9663 (schedule_block): Initialize it.
9664 (schedule_insn): Use it to fill insn modes with issue information.
9666 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
9667 Tag trapb and next insn with TImode.
9668 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
9669 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
9670 Invoke alphaev5_align_insns as appropriate.
9671 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
9672 (MD_SCHED_VARIABLE_ISSUE): New.
9673 * alpha.md (attr type): Add multi.
9674 (define_asm_attributes): New.
9675 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
9676 (arg_home): Likewise.
9677 (fnop, unop, realign): New.
9679 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
9681 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
9682 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
9684 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
9685 (rs6000-ibm-aix4.[12]*): Likewise.
9686 * configure: Regnerate.
9688 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
9690 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
9691 already contains the return address.
9693 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
9695 * calls.c (expand_call): Use bitfield instructions to extract/deposit
9696 word sized hunks when loading unaligned args into registers.
9698 * haifa-sched.c (sched_analyze_insn): Only create scheduling
9699 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
9701 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
9703 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9705 * loop.c (check_dbra_loop): Add some code that would allow reversal
9706 of some loops without a known constant loop end if it were enabled.
9708 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
9710 * mips.md (lshrsi3_internal2+2): Fix type-o.
9712 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9714 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
9715 correctly with regards to stdio.h.
9717 * calls.c: Remove stdarg.h/varargs.h.
9720 * combine.c: Likewise.
9721 * cpperror.c: Likewise.
9722 * cpplib.c: Likewise.
9723 * cpplib.h: Likewise.
9724 * doprint.c: Likewise.
9725 * emit-rtl.c: Likewise.
9726 * final.c: Likewise.
9727 * fix-header.c: Likewise.
9729 * genattr.c: Likewise.
9730 * genattrtab.c: Likewise.
9731 * gencodes.c: Likewise.
9732 * genconfig.c: Likewise.
9733 * genemit.c: Likewise.
9734 * genextract.c: Likewise.
9735 * genflags.c: Likewise.
9736 * genopinit.c: Likewise.
9737 * genoutput.c: Likewise.
9738 * genpeep.c: Likewise.
9739 * genrecog.c: Likewise.
9740 * mips-tfile.c: Likewise.
9741 * prefix.c: Likewise.
9742 * protoize.c: Likewise.
9743 * regmove.c: Likewise.
9744 * toplev.c: Likewise.
9747 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9749 * config/sparc/sparc.c (sparc_override_options): If not
9750 TARGET_FPU, turn off TARGET_VIS.
9751 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
9752 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
9753 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
9754 (movdi_insn_sp64): Add VIS fzero alternative.
9755 (clear_sf, clear_df): New VIS patterns.
9756 (movsf, movdf expanders): Allow fp_zero_operand flat out when
9758 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
9760 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
9762 * loop.c (n_times_set, n_times_used, may_not_optimize,
9763 reg_single_usage): Convert to varrays. All uses changed.
9764 (insert_loop_mem): Return a value.
9765 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
9766 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
9769 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
9772 * configure.in: Do not set thread_file to "irix" since no such
9775 * sparc.md (float abs/neg splits): Check reload_completed before
9776 calling alter_subreg.
9778 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9780 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
9782 * config/sparc/sparc.h: Declare it.
9783 * config/sparc/sparc.md (float abs/neg splits): Use it.
9784 (all other splits): Handle SUBREGs properly where necessary.
9785 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
9787 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
9789 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
9790 an insn on the unfilled_slots_list that has no delay slots.
9791 (fill_eager_delay_slots): Similarly.
9793 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
9795 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
9796 as an ordinary operand.
9798 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
9800 * tree.c (valid_machine_attribute): Don't apply attributes to both
9803 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
9805 * reload.c (operands_match_p): Handle rtvecs.
9807 * i386.c (legitimate_pic_address_disp_p): New.
9808 (legitimate_address_p): Use it.
9809 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
9810 Handle constant pool symbols just like statics.
9811 (emit_pic_move): Use Pmode not SImode for clarity.
9812 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
9813 [UNSPEC]: New, handling what we killed above.
9814 [PLUS]: Detect and abort on invalid symbol arithmetic.
9815 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
9817 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
9819 * alias.c: Include output.h.
9820 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
9821 different if we're in a varargs function.
9822 * Makefile.in (alias.o): Depend on output.h
9824 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9826 * sh.h (GIV_SORT_CRITERION): Delete.
9828 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
9830 * regclass.c (regclass): Use xmalloc/free instead of alloca.
9831 * stupid.c (stupid_life_analysis): Ditto.
9832 * reload1.c (reload): Ditto.
9834 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
9836 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
9837 arith_double_4096_operand, arith_double_add_operand): New
9839 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
9840 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
9841 them to transform add/sub 4096 into add/sub -4096.
9843 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9845 * loop.c (scan_loop): Allocate some slop to handle pseudos
9846 generated by move_movables.
9847 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
9850 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
9852 * tree.def (DECL_RESULT): Correct documentation.
9854 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
9856 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
9857 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
9858 conflicts will all RELOAD_FOR_OUTPUT reloads.
9860 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
9861 loads the function result, substitute with a USE.
9863 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
9865 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
9866 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
9867 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
9868 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
9869 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
9870 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
9872 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
9873 'o' to 'm' for GPR variant constraints.
9875 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
9877 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
9879 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
9881 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
9882 when the source and destination overlap.
9884 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
9885 clash with global type.
9887 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
9889 * fixinc.irix: Add curses.h handling from fixinc.wrap.
9891 * c-common.c (combine_strings): Also set TREE_READONLY.
9892 Change warn_write_strings to flag_const_strings.
9893 * c-decl.c, c-tree.h: Likewise.
9895 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9897 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
9898 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
9899 sequence, use SET/IOR instead so CSE can see it.
9900 * config/sparc/sparc.md (movhi_const64_special,
9901 movsi_const64_special): New patterns necessitated by that change.
9902 (movhi_high): Remove.
9903 (movhi_lo_sum): Change to match an IOR.
9904 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
9905 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
9906 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
9907 (movdf splits): Allow when not V9 or when not ARCH64 and integer
9908 registers are involved.
9909 (snesi_zero_extend split): Remove reload_completed test.
9910 (unnamed plus and minus zero_extend sidi splits): Add it.
9912 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
9914 * extend.texi: Remove description of extension to explicit
9915 instantiation that is now endorsed by standard C++.
9917 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9919 * config/arc/arc.c (arc_initialize_pic): Remove.
9920 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
9921 nothing on any platform and is invoked by no-one, it does not even
9922 appear in the documentation.
9923 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
9924 * config/sparc/sparc.c (initialize_pic): Likewise.
9925 (find_addr_reg): Remove this as well, no longer referenced after
9928 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
9930 * recog.c (validate_replace_rtx_group): New function.
9931 * recog.h (validate_replace_rtx_group): Declare it.
9932 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
9933 the entire group of substitutions.
9935 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
9937 * loop.c (load_mems): Fix initializers.
9939 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9941 * config/sparc/sparc.md (TFmode splits): Handle destination
9942 registers being referenced in the address correctly.
9944 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
9945 TREE_UNSIGNED, when bitsize of type's mode is larger than
9946 HOST_BITS_PER_WIDE_INT.
9948 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9950 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
9951 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
9952 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
9954 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
9957 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
9959 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
9960 * h8300.h (TINY_DATA_NAME_P): Likewise.
9961 (STRIP_NAME_ENCODING): Handle '&'.
9963 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
9964 register (it could be accessed via an outer SUBREG).
9965 (REG_OK_FOR_BASE_P): Likewwise.
9966 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
9968 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
9971 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
9973 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9975 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
9976 must be offsettable so the splits can be made.
9978 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
9980 * config/i386/winnt.c: Include system.h, not stdio.h to get
9981 sys/param.h pulled in before rtl.h in case the system defines MIN
9984 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
9986 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
9988 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
9990 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
9992 * cpplib.c (cpp_define): Handle macros with parameters.
9994 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
9996 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
9997 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
9998 and DImode 64-bit. Use llong for minimal-toc SFmode and
9999 SYMBOL_REF / LABEL_REF 64-bit.
10000 (output_function_profiler): Use llong for profiler label and ld to
10001 load 64-bit label address.
10003 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
10005 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
10008 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
10010 * version.c: Bump for snapshot.
10012 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
10014 * version.c: Bump for snapshot.
10016 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
10018 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
10020 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
10022 * tm.texi (Misc): Fix typo "teh".
10024 * tm.texi (PIC): Fix typo "PPIC".
10026 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
10027 effect when -O2 and higher.
10028 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
10030 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
10032 * regclass.c: Changed register set documentation to be consistent
10033 with GCC behaviour.
10035 * final.c (final_start_function) Removed redundant test for
10038 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
10040 * rtl.h (rtx_function): New type.
10041 (for_each_rtx): New function.
10042 * rtlanal.c (for_each_rtx): Define it.
10044 * recog.c (change_t): New type.
10045 (change_objects, change_old_codes, change_locs, change_olds):
10047 (changes): New variable.
10048 (validate_change): Dynamically allocate room for more changes, if
10049 necessary. Uses changes array instead of change_objects, etc.
10050 (apply_change_group): Use changes array instead of
10051 change_objects, etc.
10053 * loop.c (loop_mem_info): New type.
10054 (loop_mems): New variable.
10055 (loop_mems_idx): Likewise.
10056 (looop_mems_allocated): Likewise.
10057 (scan_loop): Remove nregs parameter.
10058 (next_insn_in_loop): New function.
10059 (load_mems_and_recount_loop_regs_set): Likewise.
10060 (load_mems): Likewise.
10061 (insert_loop_mem): Likewise.
10062 (replace_loop_mem): Likewise.
10063 (replace_label): Likewise.
10064 (INSN_IN_RANGE_P): New macro.
10065 (loop_optimize): Don't pass max_reg_num() to scan_loop.
10066 (scan_loop): Remove nregs parameter, compute it after any new
10067 registers are created by load_mems. Use INSN_IN_RANGE_P and
10068 next_insn_in_loop rather than expanding them inline. Call
10069 load_mems to load memory into pseudos, if appropriate.
10070 (prescan_loop): Figure out whether or not there are jumps from the
10071 loop to targets other than the label immediately following the
10072 loop. Call insert_loop_mem to notice all the MEMs used in the
10073 loop, if it could be safe to pull MEMs into REGs for the duration
10075 (strength_reduce): Use next_insn_in_loop. Tweak comments.
10077 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
10079 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
10081 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10083 * config/sparc/sparc.c (finalize_pic): Check for the correct
10084 nonlocal_goto_receiver UNSPEC number.
10085 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
10086 making note of this dependency existing in sparc.c
10087 (negtf2_notv9 split): Give NEG SFmode.
10088 (negsf2): Fix insn output string.
10090 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
10092 * c-common.c (decl_attributes): Issue an error if the argument
10093 to alias is not a string.
10095 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
10097 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
10098 pending memory flush list.
10100 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
10102 (try_combine): Allow combining insns with REG_LIBCALL notes.
10104 * expr.c (emit_block_move): Do not call memcpy as a libcall
10105 instead build up a CALL_EXPR and call it like any other
10107 (clear_storage): Similarly for memset.
10109 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
10112 * Makefile.in (cplus-dem.o): Provide explicit rules for building
10115 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
10116 and REG_LIVE_LENGTH as successful substitutions are made.
10118 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10120 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
10121 statement after end of loop label.
10123 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10125 * config/sparc/sparc.c (ultra_types_avail): New variable.
10126 (ultra_build_types_avail): New function to record mask of insn
10127 types in ready list at this cycle.
10128 (ultrasparc_sched_reorder): Call it.
10129 (ultra_find_type): Use it to quicken the search. Also simplif
10130 dependency check, don't use rtx_equal_p because we know exactly
10131 what we are looking for.
10133 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
10135 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
10136 for architecture v4.
10138 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10140 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
10142 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
10143 movdf_const_intreg and helper splits): New patterns to move float
10144 constants into integer registers.
10145 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
10148 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
10151 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
10153 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
10155 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
10156 a BASE_REGS register is needed as an intermediate when copying
10157 a symbolic value into any register class other than BASE_REGS.
10159 * expr.c (move_by_pieces): No longer static. Remove prototype.
10160 * rtl.h (move_by_pieces): Add extern prototype.
10161 * mips.c (expand_block_move): Handle aligned straight line copy by
10162 calling move_by_pieces.
10164 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
10167 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
10169 * stmt.c (expand_end_loop): Tidy. Allow unconditional
10170 jumps out of the loop to be treated as part of the exit test.
10172 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10173 Jeff Law <law@cygnus.com>
10175 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
10176 * cplus-dem.c: Delete.
10178 * Makefile.in (fold-const.o): depend on $(RTL_H).
10180 * fold-const.c: Include rtl.h to get the prototype for
10181 `set_identifier_local_value'.
10183 * loop.c (express_from_1): Remove unused variable `tmp'.
10184 (combine_givs): cast the first argument of bzero to char *.
10186 * toplev.c (display_help): Remove unused variable `looking_for_start'.
10188 * c-decl.c (init_decl_processing): Remove unneeded &.
10190 * alpha.h (alpha_initialize_trampoline): Provide prototype.
10192 * except.c (set_exception_lang_code, set_exception_version_code):
10193 Change parameter from `short' to `int' to avoid using a gcc
10196 * except.h (set_exception_lang_code, set_exception_version_code):
10197 Likewise for prototypes.
10199 * flow.c (count_reg_references): Remove unused variables `regno'
10202 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
10204 * prefix.c (translate_name): Cast the result of `alloca'.
10206 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
10208 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
10210 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
10211 Include "toplev.h".
10212 (valid_dbcc_comparison_p): Mark mode argument as unused.
10213 (symbolic_operand): Likewise.
10214 (legitimize_pic_address): Likewise.
10215 (const_uint32_operand): Likewise.
10216 (const_sint32_operand): Likewise.
10217 * sched.c [!INSN_SCHEDULING]: Define only dummy function
10218 schedule_insns and comment out rest of file.
10220 * m68k.c (output_move_simode_const): Use subl to move a zero into an
10222 (output_move_[hq]imode): Likewise.
10224 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
10226 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
10227 * invoke.texi: Corresponding changes.
10229 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
10231 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
10233 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10235 * config/sparc/sparc.c (ultra_code_from_mask,
10236 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
10237 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
10238 ultrasparc_sched_init, ultrasparc_variable_issue,
10239 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
10240 functions to describe UltraSPARC pipeline exactly to Haifa.
10241 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
10242 as there is nothing the scheduler can do about it. Indicate that
10243 REG_DEP_OUTPUT's collide. Fixup formatting.
10244 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
10245 divide costs on Ultra for DImode.
10246 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
10248 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
10249 ieuN and add call_no_delay_slot to type list.
10250 (cti function unit): New unit for branches on UltraSPARC.
10251 (subx/addx insns): Set type to misc.
10252 (sidi zero/sign extension insns on arch64): Set type to shift.
10253 (sign_extendhidi2_insn): Set type to sload.
10255 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
10257 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
10258 (output_epilog): Use if != 0 for offset.
10259 (rs6000_fatal_bad_address): Prepare for Intl.
10260 * rs6000.h (rs6000_fatal_bad_address): Declare.
10261 * rs6000.md (movsfcc, movdfcc): Use else if.
10262 (elf_high): Use {liu|lis}.
10263 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
10264 (movsi): Use rs6000_fatal_bad_address.
10266 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
10268 * reload.c (find_equiv_reg): Reject equivalences separated
10269 by a volatile instruction.
10271 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10273 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
10275 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
10277 * alpha.md (movsicc): Fix mode mismatch.
10279 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
10281 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
10283 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
10285 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10287 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
10288 write-only modifier from operand 1 constraint.
10290 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10292 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
10293 emitting a XOR of -1 at the end, emit a NOT instead for combine's
10295 (sparc_emit_set_const64): Likewise, also when computing trailing
10296 bits do not negate low_bits and make fast_int an int.
10298 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
10300 * loop.c (add_label_notes): Do not ignore references to labels
10301 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
10302 * gcse.c (add_label_notes): Similarly.
10304 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
10306 * m68k.md (adddi_dilshr32): One of the operands must be a register.
10307 (adddi_dishl32): Similarly.
10309 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
10311 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
10312 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
10313 * cse.c (cse_basic_block): Add parens to shut up warnings.
10315 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10317 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
10318 sparc_emit_set_const64_longway, const64_is_2insns,
10319 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
10320 in 64-bit constant formation.
10321 * config/sparc/sparc.md (snesi_zero_extend split): Generate
10322 rtl for addx not subx.
10323 (define_insn movdi_const64_special): Make available even when
10324 HOST_BITS_PER_WIDE_INT is not 64.
10325 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
10326 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
10327 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
10328 instances of operand 1 inside a QI subreg.
10329 (xordi3_sp64_dbl): Remove '%' constraint for op1.
10330 (one_cmpldi2_sp64): Fix output string.
10331 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
10333 (unnamed arch64 ashift DI): Truncate shift count if greater than
10336 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
10338 * expr.c (store_expr): Don't optimize away load-store pair
10339 when either source or destination have a side effect.
10341 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
10343 * genrecog.c (add_to_sequence): Fatal error if the modes of the
10344 operands of SET are incompatible.
10346 * alpha.md: Fix max and min patterns so modes of SET operands match.
10348 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
10350 * configure.in: Avoid [[ by using test and changequote.
10351 * configure: Rebuild.
10353 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10355 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
10357 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
10358 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
10359 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
10360 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
10361 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
10362 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
10363 Fix mismatching modes in SET operands.
10364 (conditional move patterns): Fix formatting.
10365 (unnamed subx arch64 pattern): Remove duplicate insn.
10367 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10369 * config/sparc/sparc.c (const64_operand, const64_high_operand):
10370 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
10371 (input_operand): Fixup test for what we accept for constant
10373 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
10375 (safe_constDI): Remove.
10376 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
10377 gen_safe_XOR64): New functions.
10378 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
10379 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
10381 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
10382 available when HOST_BITS_PER_WIDE_INT is not 64.
10383 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
10384 move before movdi_insn_sp64 pattern.
10385 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
10386 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
10387 symbolic_operand as predicate for second operand.
10388 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
10389 expander): Give set VOIDmode.
10391 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
10393 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
10395 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
10397 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
10399 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
10401 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
10403 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
10405 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
10407 * install.texi: Various SCO OpenServer tweaks.
10409 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
10411 * reload1.c (eliminate_regs_in_insn): Handle another case when
10412 eliminating the frame pointer to the hard frame pointer. Add
10413 missing ep->to_rtx check to one existing case.
10415 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
10417 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
10419 * tree.h: De-conditionalize init_priority code.
10421 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
10422 * collect2.c (NM_FLAGS): Change from -p to -n.
10424 * configure.in: Turn on collect2 for mipstx39-elf.
10425 Handle use_collect2=no properly.
10427 * c-common.c: De-conditionalize init_priority code.
10428 * collect2.c (extract_init_priority, sort_ids): New fns.
10429 (main): Call sort_ids.
10430 Move sequence_number to file scope.
10432 * configure.in: Handle --enable-init-priority.
10433 * c-common.c (attrs): Add A_INIT_PRIORITY.
10434 (init_attributes, decl_attributes): Likewise.
10435 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
10436 * tree.c (get_file_function_name_long): Split out...
10437 (get_file_function_name): ...from here.
10439 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
10441 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
10444 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
10446 * toplev.c (display_help): Add braces to shut up warnings.
10447 * tree.c (simple_cst_equal): Likewise.
10449 * fold-const.c (non_lvalue): Don't deal with null pointer
10451 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
10453 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
10454 of any size to a pointer.
10456 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
10458 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
10460 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
10462 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
10463 which will be saved.
10464 * mn10300.md (prologue insn): Only save registers which need saving.
10465 (epilogue insn): Similarly.
10467 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
10470 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
10472 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
10473 VAR_DECL's in gp addressable sections.
10475 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
10477 * sparc.c: Change return <exp> to <exp>; return; in functions
10479 * sparc.md: Add empty semicolon statement after final label in
10482 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10484 * config/sparc/sparc.md (define_insn addx_extend): Rename to
10485 addx_extend_sp64, only allow when TARGET_ARCH64.
10486 (define_insn addx_extend_sp32 and split): Version that works when
10488 (define_insn subx_extend): Likewise.
10489 (define_split adddi3 and subdi3 with zero extension): Fixup and
10490 correct bugs when not TARGET_ARCH64.
10492 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
10494 * except.c (set_exception_lang_code, set_exception_version_code):
10495 Use prototype-style definition if __STDC__, to match declaration
10498 * genemit.c: Change FAIL and DONE macros not to use loops.
10500 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
10502 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
10503 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
10505 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
10507 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
10509 * README.g77: Update from Craig.
10511 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10513 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
10514 type HOST_WIDE_INT.
10515 (safe_constDI sparc_emit_set_const64_quick1,
10516 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
10517 analyze_64bit_constant, const64_is_2insns,
10518 create_simple_focus_bits): Fix some bugs when compiled on real
10520 (function_arg_record_value_3, function_arg_record_value_2,
10521 function_arg_record_value): Add fully prototyped forward decls.
10522 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
10523 to cmpsi_insn and use on both 64 and 32 bit targets.
10524 (define_insn cmpsi_insn_sp64): Remove.
10525 (define_expand zero_extendsidi2): Allow for 32-bit target too.
10526 (define_insn zero_extendsidi2_insn): Rename to
10527 zero_extendsidi2_insn_sp64.
10528 (define_insn zero_extendsidi2_insn_sp32): New pattern and
10529 assosciated forced split for it.
10531 * config/sparc/sparc.c (const64_operand, const64_high_operand):
10533 * config/sparc/sparc.h: Declare them.
10534 (PREDICATE_CODES): Add them.
10535 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
10536 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
10538 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
10540 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
10541 in v9 case as the latter makes the Solaris assembler crash.
10543 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10545 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
10546 for TFmode when !v9. We require offsettable memory addresses.
10547 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
10548 DFmode register number conversions.
10549 * config/sparc/sparc.md (define_split DFmode moves): If register
10550 is a SUBREG do alter_subreg on it before using.
10551 (define_expand movtf): Fixup comment about alignment on v9.
10552 (define_split TFmode moves): Don't use gen_{high,low}part, create
10553 explicit SUBREGs instead.
10555 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
10557 * Makefile.in (mbchar.o): Depend on mbchar.c.
10559 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10560 Richard Henderson <rth@cygnus.com>
10562 Rewrite Sparc backend for better code generation and
10563 improved sparc64 support.
10564 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
10566 * config/sparc/sysv4.h: Likewise.
10567 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
10568 move_operand, v8plus_regcmp_op, emit_move_sequence,
10569 singlemove_string, doublemove_string, mem_aligned_8,
10570 output_move_double, output_move_quad, output_fp_move_double,
10571 move_quad_direction, output_fp_move_quad, output_scc_insn):
10573 (small_int_or_double): New predicate.
10574 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
10575 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
10576 old pic_{sethi,lo_sum}_si patterns.
10577 (mem_min_alignment): New generic function to replace
10578 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
10579 available and can test for arbitrary alignments. All callers
10581 (save_regs, restore_regs, build_big_number,
10582 output_function_prologue, output_cbranch, output_return,
10583 sparc_flat_save_restore, sparc_flat_output_function_prologue,
10584 sparc_flat_output_function_epilogue): Prettify
10586 (output_function_epilogue): Likewise and add code to output
10587 deferred case vectors.
10588 (output_v9branch): Likewise, add new arg INSN and use it to tack
10589 on branch prediction settings. All callers changed.
10590 (print_operand): Likewise and output %l44 for LO_SUMs when
10592 (sparc_splitdi_legitimate): New function to make sure DImode
10593 splits can be run properly when !arch64.
10594 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
10595 Reformat example code in comments.
10596 (set_extends): Remove UNSPEC/v8plus_clear_high case.
10597 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
10598 of deferred case vectors we need to output.
10599 (sparc_defer_case_vector): Record a case vector.
10600 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
10601 sparc_output_deferred_case_vectors): New functions to output them.
10602 (sparc_emit_set_const32): New function to form 32-bit constants in
10603 registers when that requires more than one instruction.
10604 (safe_constDI, sparc_emit_set_const64_quick1,
10605 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
10606 analyze_64bit_constant, const64_is_2insns,
10607 create_simple_focus_bits, sparc_emit_set_const64): New functions
10608 which do the same for 64-bit constants when arch64.
10609 (sparc_emit_set_symbolic_const64): New function to emit address
10610 loading for all code models on v9.
10611 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
10612 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
10613 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
10614 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
10615 inaccuracies in comments, add symbolic and text_segment operands
10616 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
10617 GENERAL_REGS in these cases as a temp REG is needed to load these
10618 addresses into a register properly.
10619 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
10621 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
10622 quads are guarenteed to have 16-byte alignment.
10623 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
10624 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
10625 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
10626 deferred case vector implementation.
10627 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
10628 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
10629 Generate "internal label - label" instead of "label - 1b".
10630 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
10631 (PREDICATE_CODES): Remove sparc_operand, move_operand,
10632 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
10634 (doublemove_string, output_block_move, output_fp_move_double,
10635 output_fp_move_quad, output_move_double, output_move_quad,
10636 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
10637 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
10638 (sparc_emit_set_const32, sparc_emit_set_const64,
10639 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
10640 mem_min_alignment, small_int_or_double): Add externs.
10641 * config/sparc/sparc.md: Document the many uses of UNSPEC and
10642 UNSPEC_VOLATILE in this backend.
10643 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
10644 unary to types which execute in it.
10645 (define_function_unit ieu_shift): Rename to ieu0.
10646 (define_function_unit ieu1): New, executes compare, call, and
10647 uncond_branch type insns.
10648 (define_function_units for type fdivs, fdivd, fsqrt): These
10649 execute in the fpu multiply unit not the adder on UltraSparc.
10650 (define_expand cmpdi): Disallow TARGET_V8PLUS.
10651 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
10652 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
10653 allows the arith_double_operand predicate and rHI constraint when
10655 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
10656 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
10657 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
10658 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
10659 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
10660 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
10661 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
10662 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
10663 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
10664 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
10665 sign_extendqihi2_insn, sign_extendqisi2_insn,
10666 sign_extendqidi2_insn, sign_extendhidi2_insn,
10667 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
10668 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
10669 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
10670 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
10671 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
10672 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
10673 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
10674 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
10675 smulsi3_highpart_v8plus, unnamed subreg mult,
10676 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
10677 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
10678 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
10679 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
10680 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
10681 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
10682 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
10683 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
10684 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
10685 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
10686 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
10687 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
10688 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
10689 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
10690 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
10691 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
10692 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
10693 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
10694 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
10695 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
10696 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
10697 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
10698 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
10699 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
10700 call_address_untyped_struct_value_sp32,
10701 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
10702 call_value_symbolic_sp32, call_value_address_sp64,
10703 call_value_symbolic_sp64, branch_sp32, branch_sp64,
10704 flush_register_windows, goto_handler_and_restore,
10705 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
10706 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
10707 return_addsi, return_di, return_adddi, return_sf, all call+jump
10708 peepholes, trap, unnamed trap insns): Prettify output strings.
10709 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
10710 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
10711 Likewise and force + implement splits for integer cases.
10712 (define_insn return_sf_no_fpu): Likewise and allow to match when
10713 no-fpu because of our subreg SFmode splits.
10714 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
10715 zero_extendqidi2_insn, zero_extendhidi2_insn,
10716 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
10717 input_operand for second operand.
10718 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
10719 reg_or_0_operand for operand 2 so new splits can use it.
10720 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
10721 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
10723 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
10724 CONST_DOUBLEs for operand 2.
10725 (define_insn move_label_di): Likewise and label distance
10726 optimization because it no longer works with new deferred case
10727 vector scheme. To be revisited.
10728 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
10729 and allow reg_or_0_operand and J constraint for second operand.
10730 (define_insn jump): Set branch predict taken on V9.
10731 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
10732 new deferred case vector scheme.
10733 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
10734 (define_insn negdi2_sp32): Force + implement splits.
10735 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
10736 one_cmplsi2_not_liveg0 respectively, and create expander of original
10737 names which emit special rtl for TARGET_LIVE_G0.
10738 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
10739 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
10740 gen_compare_reg, FAIL instead.
10741 (define_insn sgtu, sleu): Likewise and check gen_s*() return
10742 values when trying to reverse condition codes, if they FAIL then
10744 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
10745 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
10746 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
10747 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
10748 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
10749 set output string to # to indicate they are mandatory splits.
10750 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
10751 pic_sethi_di, move_pic_label_si): Remove.
10752 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
10753 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
10755 (define_expand movsi_pic_label_ref, define_insn
10756 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
10757 expander and insns to handle PIC label references and deferred
10759 (define_insn get_pc_via_rdpc): Comment out as it is no longer
10761 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
10762 Rewrite to not use emit_move_sequence, make use of new constant
10763 formation code, and new splits for all multi-insn cases.
10764 (define_insn movqi_insn): Remove sethi case, it can never happen.
10765 Use reg_or_zero_operand instead of const0_rtx explicit test,
10766 use input_operand instead of move_operand for source, and use
10767 general_operand now for dest.
10768 (define_insn movhi_insn): Similar but leave sethi case.
10769 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
10770 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
10771 movhi_lo_sum respectively, prettify output string.
10772 (define_insn movsi_zero_liveg0): New pattern to put zero into a
10773 register when needed on TARGET_LIVE_G0.
10774 (define_insn movsi_insn): Use general_operand and input_operand
10775 for dest and src respectively. Simplify applicability test.
10776 Prettify output strings, and add clr alternative for J
10778 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
10779 deprecated std and reg-reg DI moves): Remove and...
10780 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
10781 implementation which uses forced splits for all non-single insn
10783 (define_split DI move cases on !arch64): New splits to handle all
10784 situations of 64-bit double register DImode on 32bit, and
10785 unaligned registers and memory addresses for all subtargets.
10786 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
10788 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
10789 input_operand for dest and src respectively, prettify output
10791 (define_insn movdf_insn, movdf_no_e_insn, store_df,
10792 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
10794 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
10795 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
10796 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
10797 movtf_no_e_insn_sp64) Replace with new
10798 implementation which uses forced splits for all non-single insn
10800 (define_split DF move cases): New splits in similar vein to DI
10802 (define_insn sethi_di_medlow, sethi_di_medium_pic,
10803 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
10804 movdi_sp64_insn): Remove old v9 code model and constant loading
10805 support insns and..
10806 (define_insn pic_lo_sum_di, pic_sethi_di,
10807 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
10808 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
10809 embmedany_sethi, embmedany_losum, embmedany_brsum,
10810 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
10811 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
10812 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
10813 scheme, using unspecs, secondary reloads, and one to one sparc
10814 insn to rtl insn mapping for better scheduling and code gen.
10815 (define_expand reload_indi, reload_outdi): Reload helpers for
10816 MEDANY and EMBMEDANY symbol address loading cases which require a
10817 temporary register.
10818 (define_expand movsicc): Remove v8plus_regcmp cases.
10819 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
10820 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
10821 cmp_diqi_trunc_set): New patterns used by some of the new scc
10823 (define_insn xordi3_sp64_dbl): New pattern used for constant
10824 formation when crossing from 32-bit targets.
10825 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
10827 (define_insn addx, subx): Make visible and prettify.
10828 (define_insn adddi3_insn_sp32): Likewise and force split.
10829 (define_insn addx_extend, subx_extend, unnamed): New patterns for
10830 64bit scc split usage.
10831 (define_insn unnamed plusDI zero_extend, unnamed minusDI
10832 zero_extend, subdi3): Force and implement splits.
10834 * final.c (final_scan_insn): Don't output labels if target
10835 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
10838 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
10839 don't forget to walk inside SEQUENCESs too as these are what the
10840 delay slot scheduler will create.
10842 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
10844 * alpha.md (extxl+1,+2): New patterns to work around
10847 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
10849 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
10850 caused bad assembly code to be generated.
10852 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
10854 * netbsd.h: Fix typo.
10856 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
10858 * config.sub: Fix typo.
10860 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
10862 * invoke.texi (Environment Variables): Typo: Change "ascpects"
10864 (Running Protoize): Typo: Change "ther" into "other".
10866 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
10868 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
10869 * m68k/netbsd.h: Likewise.
10870 * ns32k/netbsd.h: Likewise.
10871 * sparc/netbsd.h: Likewise.
10873 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
10875 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
10876 * ginclude/va-clipper.h (va_list): Likewise.
10878 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
10880 * rs6000.c (rs6000_override_options): If big endian and -Os, use
10881 load/store multiple instructions unless user overrides.
10883 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
10885 * ns32k/netbsd.h: Fix typo.
10887 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
10889 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
10890 labels with .debugsym if no parallel insns.
10892 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
10894 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
10895 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
10897 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
10899 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
10900 (AR_FOR_TARGET): Define.
10902 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
10904 * dyn-string.h: New file.
10905 * dyn-string.c: Likewise.
10906 * Makefile.in (OBJS): Add dyn-string.o.
10907 (dwarf2out.o): Add dyn-string.h dependency.
10908 (dyn-string.o): List dependencies.
10909 * dwarf2out.c: Include dyn-string.h.
10910 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
10911 (addr_const_to_string): Take a dyn_string_t, not a char* as a
10912 prototype. Use dyn_string_append rather than strcat, throughout.
10913 (addr_to_string): Use dyn_string_t.
10915 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
10917 Function entry/exit profiling instrumentation:
10918 * expr.h (profile_function_entry_libfunc,
10919 profile_function_exit_libfunc): Declare new variables.
10920 * optabs.c: Define them here.
10921 (init_optabs): Initialize them.
10922 * tree.h (struct tree_decl): New flag
10923 no_instrument_function_entry_exit.
10924 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
10925 * c-decl.c (duplicate_decls): Merge it.
10926 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
10927 (init_attributes): Use it for "no_instrument_function".
10928 (decl_attributes): Handle it, for functions that have not yet been
10929 compiled. Set decl flag.
10930 * flags.h (flag_instrument_function_entry_exit): Declare new
10932 * toplev.c (flag_instrument_function_entry_exit): Define it here.
10933 (f_options): New option "instrument-functions".
10934 * function.h (struct function): New field instrument_entry_exit.
10935 * function.c (current_function_instrument_entry_exit): New
10937 (push_function_context_to, pop_function_context_from): Save and
10939 (expand_function_start): Set current_ variable, maybe emit return
10940 label and entry profile call.
10941 (expand_function_end): Maybe emit exit profile call.
10943 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
10945 * i386.md (movqi): When optimizing a load of (const_int 1) into a
10946 NON_QI_REG_P, pretend the register is SImode.
10948 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
10950 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
10951 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
10952 manufacturer id for ns32k.
10953 * configure: Regenerated.
10954 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
10955 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
10956 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
10957 * config/m68k/netbsd.h: Same.
10958 * config/ns32k/netbsd.h: Same.
10959 * config/sparc/netbsd.h: Same.
10961 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
10963 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
10964 or UNROLL_COMPLETELY loop that starts with a jump to its
10967 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
10969 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
10970 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
10971 (print_operand, case 'B'): Don't fall through.
10972 (print_operand, case 'S'): Correct mask begin/end computation.
10973 Use HOST_BITS_PER_WIDE_INT.
10974 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
10975 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
10976 * rs6000/aix41.h (CPP_PREDEFINES): Same.
10977 * rs6000/aix43.h (CPP_PREDEFINES): Same.
10979 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
10981 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
10982 constraint from second alternative.
10984 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
10986 * configure.in: Fix --without/--disable cases for local-prefix,
10987 gxx-include-dir and checking.
10989 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
10991 * configure.in (enable_haifa): Set by default for sparc64 too.
10992 configure: Rebuilt.
10994 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
10996 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
10997 * i386/winnt.c (associated_type): New fn.
10998 (i386_pe_valid_type_attribute_p): New fn.
10999 (i386_pe_check_vtable_importexport): Remove.
11000 (i386_pe_dllexport_p): Use associated_type.
11001 (i386_pe_dllimport_p): Likewise.
11003 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
11004 * i386.c (i386_valid_type_attribute_p): Also accept
11005 attributes for METHOD_TYPEs.
11007 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
11009 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
11011 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
11013 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
11015 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
11016 them from generating a new base name for each occurence of
11019 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
11021 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
11023 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
11027 * cplus-dem.c (type_kind_t): New type.
11028 (demangle_template_value_parm): Add type_kind_t parameter. Rely
11029 on this paramter, rather than demangling the type again.
11030 (demangle_integral_value): Pass tk_integral.
11031 (demangle_template_: Pass the value returned from do_type.
11032 (do_type): Return a type_kind_t. Pass tk_integral to
11033 demangle_template_value_parm for array bounds.
11034 (demangle_fund_type): Likewise.
11036 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
11038 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
11041 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
11043 * pa.c (move_operand): Accept CONSTANT_P_RTX.
11045 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
11047 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
11049 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
11052 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
11054 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
11055 (DEBUGGER_ARG_OFFSET): Likewise.
11057 * mn10300.md (movsf): Remove last change. Not needed.
11059 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
11061 * c-lex.c (yylex): Fix boundary conditions in character literal and
11062 string literal loops.
11064 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
11066 * longlong.h (count_leading_zeros): Sparclite scan instruction was
11067 being invoked incorrectly.
11069 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
11070 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
11072 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
11073 * configure.in: Added i[34567]86-*-win32
11074 * config.sub: Ditto.
11075 * configure: Rebuilt.
11077 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
11079 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
11080 the frame pointer and compiling PIC code and reload has not completed.
11082 * i386.c (output_to_reg): Add code to emulate non-popping DImode
11085 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
11087 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
11089 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11091 * Makefile.in (install-info): Only try to update the info
11092 directory file if it exists in the first place.
11094 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
11096 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
11098 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
11100 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
11101 CONST_DOUBLE source.
11103 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
11105 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
11106 strings as the insertion of USER_LABEL_PREFIX.
11107 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
11109 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
11112 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
11114 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
11115 already defined type.
11117 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
11119 * expr.c (check_max_integer_computation_mode): Allow conversions
11120 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
11121 (expand_expr): Likewise.
11123 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11125 * expr.c (expand_expr): Expand RETURN_EXPR.
11127 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
11129 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
11131 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
11133 * dwarf2out.c (output_aranges): Call stripattributes
11134 for TEXT_SECTION references.
11135 (output_line_info): Likewise.
11137 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11139 * profile.c (branch_prob): Call allocate_reg_info after outputting
11140 profile rtl in instrument_arcs.
11142 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
11144 * fixinc.irix (math.h): Install wrapper instead of copying.
11146 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
11148 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
11149 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
11150 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
11151 lang_flag_0. Added documentation in the flag table.
11153 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
11155 * cccp.c (do_include): Fix vax c style include handling.
11157 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
11159 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
11161 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
11163 * fold-const.c (non_lvalue): Don't deal with null pointer
11165 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
11167 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
11169 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
11170 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
11171 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
11172 (u_short_cint_operand): Same.
11173 (reg_or_cint_operand): Same.
11174 (logical_operand): Same.
11175 (input_operand): Same.
11176 (reg_or_short_operand): Use u_short_cint_operand.
11178 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
11180 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
11181 but keep the insns and splits. Adjust so when the ultimate destination
11182 is memory, use cvtql.
11184 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
11186 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
11188 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
11190 * gcc.c (do_spec): Call "error" not "warning".
11192 * configure.in: Fix minor problems with gas feature detection code.
11193 * configure: Rebuilt.
11195 * gcc.c (do_spec): Issue a warning for '%[]' usage.
11197 * Undo this change.
11198 * gcc.c: Delete %[spec] support.
11199 (do_spec_1, case '('): Likewise.
11200 (do_spec_1, case '['): Call error.
11202 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
11204 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
11205 (CPP_SUBTARGET_SPEC): Default to empty string.
11206 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
11207 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
11208 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
11209 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
11211 * alpha/linux.h (CPP_PREDEFINES): Tidy.
11212 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
11213 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
11214 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
11215 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
11216 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
11217 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
11218 * alpha/vxworks.h: Likewise.
11220 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
11222 * mips.md (reload_outsi): Added missing REGNO call.
11223 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
11225 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
11226 another match_operator and compare the codes.
11228 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
11230 * MIPS multiply pattern fixes:
11231 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11232 Add union classes for HI, LO, or HILO plus general registers.
11233 (GENERATE_MADD): Deleted.
11234 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
11235 Add TARGET_MAD to condition.
11236 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
11237 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
11238 "*d" for accumulator, to give preference to LO initially but not
11241 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
11243 * configure.in (enable_c_mbchar): New configure option.
11244 (extra_cpp_objs): Always available now.
11246 * cexp.y (mbchar.h): #include it.
11247 (yylex): Handle Multibyte characters in character literals.
11249 * cccp.c (mbchar.h): #include it.
11250 (main): Set character set based on LANG environment variable.
11251 (rescan): Handle multibyte characters in comments.
11252 (skip_if_group): See above.
11253 (validate_else): See above.
11254 (skip_to_end_of_comment): See above.
11255 (macarg1): See above.
11256 (discard_comments): See above.
11257 (rescan): Handle multibyte characters in string and character literals.
11258 (collect_expansion): See above.
11259 (skip_quoted_string): See above.
11260 (macroexpand): See above.
11261 (macarg1): See above.
11262 (discard_comments): See above.
11263 (change_newlines): See above.
11265 * c-lex.c (mbchar.h): #include it.
11266 (GET_ENVIRONMENT): New macro.
11267 (init_lex): Set character set based on LANG environment variable.
11268 (yylex): Handle multibyte characters in character literals.
11269 (yylex): Handle multibyte characters in string literals.
11271 * Makefile.in (mbchar.o): New target.
11272 (cccp$(exeext)): @extra_cpp_objs@ is always available.
11273 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
11275 * mbchar.[ch]: New files for multibyte character handling.
11277 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
11279 * jump.c (jump_optimize): When simplifying noop moves and
11280 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
11281 the PUSHes to rewrite in second loop as we did in the first.
11283 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11285 * cplus-dem.c (demangle_nested_args): Make function definition
11286 static to match the prototype.
11288 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
11290 * alloca.c: Respect USE_C_ALLOCA.
11291 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
11292 * gengenrtl.c (xmalloc): Likewise.
11294 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
11296 * loop.h (struct induction): Add no_const_addval.
11297 * loop.c (the_movables, reg_address_cost): New variables.
11298 (init_loop): Init reg_address_cost.
11299 (loop_optimize): Call end_alias_analysis.
11300 (scan_loop): Init the_movables.
11301 (record_giv): Init induction->no_const_addval.
11302 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
11303 [REG]: Rearrange loop search test to catch more cases.
11304 (general_induction_var): Return success not benefit; take an extra
11305 argument for that. Change all callers.
11306 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
11307 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
11308 [default]: Search the_movables for additional combinations.
11309 (sge_plus_constant, sge_plus): New functions.
11310 (express_from_1): New function.
11311 (express_from): Always define. Rewrite using express_from_1.
11312 (combine_givs_p): Handle more cases. Ignore address cost.
11313 (cmp_combine_givs_stats): New function.
11314 (combine_givs_used_once, combine_givs_benefit_from): New functions.
11315 (combine_givs): Rewrite to do best-fit combination.
11317 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
11318 (fold): Do a complete (A*C)+(B*C) association check.
11320 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
11322 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
11324 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
11326 * mn10300.c (MODES_TIEABLE_P): Fix typo.
11328 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
11330 * tree.c (valid_machine_attribute): Only create a new type variant if
11331 there is a decl to use it.
11333 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
11335 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
11338 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
11340 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
11343 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
11345 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
11346 Simplify tests for clearing an address register.
11347 (expand_prologue): Corresponding changes.
11349 * mn10300.md (movXX patterns): Make sure the destination is an
11350 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
11351 (logical patterns): Split into expanders + patterns
11352 (zero and sign extension patterns): Similarly.
11353 (shift patterns): Similarly.
11355 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
11357 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
11358 for the sequence, recording base values.
11360 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
11362 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
11364 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
11366 * gcc.c: Remove ANSI-C ism from --help code.
11368 * toplev.c: Support --help with USE_CPPLIB.
11370 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
11372 * configure.in: Rework gas feature code to work with symlink based
11375 * extend.texi: Clarify some issues related to local variables
11376 assigned to explicit registers.
11378 * mn10300.md (mulsi): Turn into expander + pattern.
11380 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
11383 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
11385 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
11387 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
11389 * version.c: Bump again to distinguish mainline tree from the
11392 See ChangeLog.0 for earlier changes.
11395 add-log-time-format: current-time-string