1 Mon Jan 18 09:05:37 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * loop.c (insert_bct): Hide the definition of variables
4 `increment_direction', `compare_direction', `add_iteration' and
7 * recog.c (mode_dependent_address_p): Mark parameter `addr' with
8 ATTRIBUTE_UNUSED. Mark label `win' with ATTRIBUTE_UNUSED_LABEL.
9 (mode_independent_operand): Mark label `lose' with
10 ATTRIBUTE_UNUSED_LABEL.
12 * regclass.c (n_occurrences): Remove prototype and definition.
14 * reload.c (find_reloads_address_1): Mark variable `tem' with
17 * reload1.c (reload): Cast the first two arguments of `bcopy' to PTR.
19 * sbitmap.c (sbitmap_copy): Likewise.
21 * scan-decls.c (scan_decls): Hide label `handle_comma'.
23 * toplev.c (output_lang_identify): Mark prototype with
26 * tree.c (make_node): Cast the first argument of `bzero' to PTR.
27 (make_tree_vec): Likewise.
30 * varasm.c (assemble_static_space): Mark variable `tem' with
33 Mon Jan 18 04:28:36 1999 Nathan Sidwell <nathan@acm.org>
35 * Makefile.in (GCOV_INSTALL_NAME): New macro.
36 (install-common): Use it.
38 (uninstall): Use correct names for protoize and unprotoize.
40 Mon Jan 18 03:52:56 1999 Christian Bruel <Christian.Bruel@st.com>
41 Jeffrey A Law (law@cygnus.com)
43 * flow.c (last_mem_set): Delete variable. References removed.
44 (mem_set_list): New variable.
45 (life_analysis): Initialize and finalize alias analysis.
46 (propagate_block); Initialize mem_set_list. Clear for CALL_INSNs.
47 (insn_dead_p): For a store to memory, search the entire mem_set_list
49 (mark_set_1): Kill entries on the mem_set_list for aliased writes or
50 changes to their addresses. Add new entries to the mem_set_list for
52 (mark_used_regs): Kill entries on the mem_set_list which may be
53 referenced by a load operation.
55 Mon Jan 18 01:01:02 1999 Jeffrey A Law (law@cygnus.com)
57 * alias.c (base_alias_check): Add missing return for differing
60 Mon Jan 18 00:36:13 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
62 * mips-tdump.c (print_file_desc): Handle unknown filenames and
63 missing local symbols.
65 Sun Jan 17 21:04:31 1999 Richard Henderson <rth@cygnus.com>
67 * jump.c (rtx_renumbered_equal_p): Special case CODE_LABEL.
69 * system.h (bcopy): Implement with memmove not memcpy.
71 Sun Jan 17 19:23:20 1999 Jeffrey A Law (law@cygnus.com)
73 * Makefile.in (cppulp.o): Add dependencies.
75 * i386.md (integer conditional moves): Add missing earlyclobbers.
77 * regmove.c (optimize_reg_copy_1): Undo Aug 18 change. Update
78 REG_N_CALLS_CROSSED and REG_LIVE_LENGH if and only if we change
79 where a register is live.
81 Sun Jan 17 03:20:47 1999 H.J. Lu (hjl@gnu.org)
83 * reg-stack.c (subst_stack_regs_pat): Abort if the destination
84 of a FP conditional move is not on the FP register stack.
86 Sun Jan 17 01:15:04 PST 1999 Jeff Law (law@cygnus.com)
88 * version.c: Bump for snapshot.
90 Sat Jan 16 23:40:33 1999 Jeffrey A Law (law@cygnus.com)
92 * reload1.c (reload_cse_regs_1): Do not call
93 reload_cse_simplify_operands for an insn with asm operands.
95 * cccp.c (print_help): Fix typos.
96 * cpplib.c (print_help): Fix typos.
97 * toplev.c (f_optiosn): Fix typos.
98 (documented_lang_options): Fix typos.
100 Sat Jan 16 21:48:17 1999 Marc Espie (Marc.Espie@openbsd.org)
102 * gcc.c: (do_spec_1): Fix obvious typo.
104 Sat Jan 16 19:31:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
106 * c-decl.c (duplicate_decls): If `warn_traditional', warn when
107 a non-static function declaration follows a static one.
109 * invoke.texi (-Wtraditional): Document the extra check now done
112 Sat Jan 16 15:13:46 1999 Jeffrey A Law (law@cygnus.com)
114 * pa.md (shadd): Create shadd insns, even if the result of the shift is
115 needed without the addition.
117 Sat Jan 16 10:48:16 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
119 * sh.md (movdf, movsf): Temporary workaround for no_new_pseudos lossage.
121 Fri Jan 15 23:44:37 1999 Richard Henderson <rth@cygnus.com>
123 * sparc.c (sparc_issue): Add hypersparc/sparclite86x entries.
125 Fri Jan 15 22:30:04 1999 David Edelsohn <edelsohn@mhpcc.edu>
127 * rs6000.h (CONST_OK_FOR_LETTER_P): Do not assume 32-bit CONST_INT.
128 * rs6000.c (u_short_cint_operand, add_operand, logical_operand,
129 non_add_cint_operand, non_logical_cint_operand): Likewise.
130 (get_issue_rate): Add CPU_PPC604E case.
131 * rs6000.md (movdi, !TARGET_POWERPC64 splitters): Handle 64-bit hosts.
133 Fri Jan 15 18:42:12 1999 Richard Henderson <rth@cygnus.com>
135 * expr.c (queued_subexp_p): Make public.
136 * expr.h (queued_subexp_p): Declare it.
137 * recog.c (asm_operand_ok): New function.
138 (check_asm_operands): Use it. After reload, use constrain_operands
140 * recog.h (asm_operand_ok): Declare it.
141 * stmt.c (expand_asm_operands): Use it to try harder to make
142 asms initially satisfy their constraints.
144 Fri Jan 15 17:43:59 1999 Jeffrey A. Law <law@rtl.cygnus.com>
146 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do not create
147 (mem (lo_sum (...)) for TFmode unless TARGET_V9.
149 Sat Jan 16 12:47:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
151 * config/c4x/c4x.md (not_repeat_reg): Allow ldp instruction
152 in delay slot of RPTBD.
154 Sat Jan 16 12:26:40 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
156 * config/c4x/libgcc.S (___divhi3, ___modhi3): Fix long long
157 divide and modulo sign problem.
159 Fri Jan 15 11:02:31 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
161 * unroll.c (loop_iterations): Return 0 if the last loop insn
162 is not a jump insn or if the loop has multiple back edges.
164 Thu Jan 14 22:38:41 1999 Jeffrey A Law (law@cygnus.com)
166 * unroll.c (find_splittable_givs): For a DEST_ADDR giv, do not share
167 a register with another DEST_ADDR giv if the address is not valid.
169 * pa.c (hppa_expand_epilogue): Save and restore the static chain
170 around the call to mcount.
172 * h8300.h (ASM_OUTPUT_LABELREF): Use asm_fprintf, not fprintf.
174 * stmt.c (expand_end_case): Use emit_cmp_and_jump_insns to avoid
175 generating non-canonical rtl.
177 1999-01-14 Vladimir N. Makarov <vmakarov@cygnus.com>
179 * config/i960/i960.c (i960_output_move_double_zero,
180 i960_output_move_quad_zero): New functions for moving zeros.
181 (i960_output_move_double, i960_output_move_quad): Additional code
182 for situation when moving unaligned register group.
184 * config/i960/i960.h (i960_output_move_double_zero,
185 i960_output_move_quad_zero): The function definitions.
187 * config/i960/i960.md (movdi+1, movti+1): Usage of the functions.
189 1999-01-13 Vladimir N. Makarov <vmakarov@cygnus.com>
191 * config/i960/i960.c (i960_function_prologue): New code (optimal
192 solution) for saving global registers in local registers.
193 (form_reg_groups, reg_group_compare, split_reg_group): New
194 functions used by the code.
195 (reg_group): New structure definition for the new code.
197 Wed Jan 13 20:12:37 1999 Richard Henderson <rth@cygnus.com>
199 * integrate.c (expand_inline_function): Recognize (mem (addressof))
200 and substitute. Copy the return value from there into a new pseudo.
202 Wed Jan 13 16:47:00 1999 Catherine Moore <clm@cygnus.com>
204 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
205 before generating a call to abort for volatile functions.
206 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
207 (TARGET_ABORT_NORETURN): Define.
208 (abort-on-noreturn): New option.
210 Thu Jan 14 13:52:42 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
212 * config/c4x/c4x.md (in_annul_slot_3): Correctly allow unarycc
213 and binarycc operations in 3rd annulled delay slot!
215 Wed Jan 13 16:16:44 1999 Catherine Moore <clm@cygnus.com>
217 * config/arm.c (output_func_epilogue): Check TARGET_ABORT_NORETURN
218 before generating a call to abort for volatile functions.
219 * config/arm.h (ARM_FLAG_ABORT_NORETURN): Define.
220 (TARGET_ABORT_NORETURN): Define.
221 (abort-on-noreturn): New option.
223 Wed Jan 13 13:30:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
225 * cccp.c (xstrdup): Renamed from `savestring'. All callers changed.
226 Remove prototype which we get from libiberty.h.
228 * collect2.c (xstrdup): Likewise.
230 * genextract.c (xstrdup): Likewise for `copystr'.
231 (mybzero): Remove it and use `memset' instead.
233 * genoutput.c (mybcopy, mybzero): Remove these. All callers changed
234 to use `memcpy' and `memset' instead.
236 * genrecog.c (xstrdup): Renamed from `copystr'. All callers
237 changed. Remove prototype.
238 (mybcopy, mybzero): Remove these and use memcpy/memset.
240 Wed Jan 13 00:59:04 1999 Jeffrey A Law (law@cygnus.com)
242 * mips.h (LOAD_EXTEND_OP): Correct for SImode and CCmode moves when
243 generating code for TARGET_64BIT.
245 Tue Jan 12 14:05:37 1999 David Edelsohn <edelsohn@mhpcc.edu>
247 * rs6000.c (print_operand, cases 'm' and 'M'): Do not depend on
248 HOST_WIDE_INT word-size.
249 (rs6000_stack_info): Remove redundant alignment of fpmem.
251 Tue Jan 12 14:05:37 1999 Richard Henderson <rth@cygnus.com>
253 * rs6000.c (short_cint_operand): Remove CONSTANT_P_RTX handling.
254 (u_short_cint_operand, reg_or_cint_operand, logical_operand): Likewise.
255 (input_operand): Adjust CONSTANT_P_RTX handling.
256 * rs6000.h (PREDICATE_CODES): Remove CONSTANT_P_RTX references.
257 * rs6000.md (movsi): Adjust CONSTANT_P_RTX handling.
258 (movhi, movqi): Remove CONSANT_P_RTX handling.
259 (movdi): Adjust CONSTANT_P_RTX handling.
261 Tue Jan 12 10:23:24 1999 Stan Cox <scox@cygnus.com>
263 * mips.md (call_value_internal3c): New pattern for -mips16 -mlong-calls.
265 1999-01-12 Manfred Hollstein <manfred@s-direktnet.de>
267 * m68k/mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
268 ensure all prototypes necessary for building libio will be available.
269 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Remove
270 definitions here as they are not host specific.
271 * m88k/sysv3.h, m88k/xm-sysv3.h: Likewise.
273 Tue Jan 12 02:53:46 1999 Richard Henderson <rth@cygnus.com>
275 * cse.c (cse_insn): Never prefer (const (constant_p_rtx)).
277 Tue Jan 12 02:36:10 PST 1999 Jeff Law (law@cygnus.com)
279 * version.c: Bump for snapshot.
281 Tue Jan 12 01:30:19 1999 Richard Henderson <rth@cygnus.com>
283 * rtl.c (rtx_alloc): Use memset instead of inline loop.
285 * recog.h (recog_op_alt): Declare extern.
287 Tue Jan 12 00:23:31 1999 Richard Henderson <rth@cygnus.com>
289 * function.c (purge_addressof_1): If the note accesses a mem+addressof
290 in a wider mode than any replacement, adjust the cached replacement.
291 Cache trivial substitutions as well.
293 Tue Jan 12 00:06:00 1999 Richard Henderson <rth@cygnus.com>
295 * Makefile.in (OBJECTS): Add sbitmap.o.
296 (BASIC_BLOCK_H): Add sbitmap.h.
297 * basic-block.h: Move simple bitmap code to sbitmap.h.
298 * flow.c: Move simple bitmap code to sbitmap.c
299 * sbitmap.h, sbitmap.c: New files.
301 Mon Jan 11 23:51:50 1999 Richard Henderson <rth@cygnus.com>
303 * alpha.h (TARGET_SWITCHES): Document switches.
304 (TARGET_OPTIONS): Likewise.
306 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Use HOST_WIDE_INT_PRINT_DEC.
308 Mon Jan 11 22:54:14 1999 Richard Henderson <rth@cygnus.com>
310 * tree.c (new_alias_set): Return zero if !flag_strict_aliasing.
312 Mon Jan 11 22:36:01 1999 Richard Henderson <rth@cygnus.com>
314 * basic-block.h (basic_block_head): Rename to x_basic_block_head.
315 (basic_block_end): Rename to x_basic_block_end.
316 (BLOCK_HEAD, BLOCK_END): Update.
318 * caller-save.c: Change basic_block_head/end references to
320 * combine.c, flow.c, function.c, gcse.c, global.c: Likewise.
321 * graph.c, haifa-sched.c, local-alloc.c, regclass.c: Likewise.
322 * regmove.c, reload1.c, reorg.c, sched.c: Likewise.
324 Sat Jan 9 23:54:09 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
326 * gcc.c (xstrerror): Renamed from my_strerror. All callers
327 changed. Remove prototype since we get that from libiberty.h.
329 * protoize.c (xstrerror): Likewise.
331 Sat Jan 9 23:22:04 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
333 * gcc.c (read_specs): Ensure format specifiers match their arguments.
335 Sat Jan 9 20:04:24 1999 Richard Henderson <rth@cygnus.com>
337 * tree.c (copy_node): Oops. That would be copy not zero
340 Sun Jan 10 15:35:41 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
342 * config/c4x/c4x.c: Include system.h.
343 (c4x_caller_save_map): Disable caller save for RC.
344 (c4x_optimization_options): Disable scheduling before reload.
345 (valid_parallel_load_store) : Define return type as int.
346 Remove unused variable regs.
347 * config/c4x/c4x.h (REGISTER_MOVE_COST): Make independent of register
349 * config/c4x/c4x.md (rotlqi3, rotrqi3): Fix up emitted RTL to
351 (*db, decrement_and_branch_until_zero): Fix up constraints
352 to keep reload happy.
354 Sat Jan 9 18:35:29 1999 Richard Henderson <rth@cygnus.com>
356 * tree.c (make_node): Call bzero instead of inline clear.
357 (copy_node, make_tree_vec, build1): Likewise.
358 (get_identifier): Call strlen instead of inline count.
359 (maybe_get_identifier): Likewise.
361 Sun Jan 10 14:04:51 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
363 * config/c4x/c4x.md: (in_annul_slot_3): Allow unarycc and binarycc
364 operations in 3rd annulled delay slot.
365 (*lshrqi3_const_set): Disallow c constraint for operand0.
366 (modhi3+1, modhi3+2): Set attribute type to multi.
367 * config/c4x/c4x.c (c4x_S_constraint): Removed space in middle of
370 Sat Jan 9 11:44:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
372 * gansidecl.h: Allow attribute unused on labels only when we are
373 version 2.93 or higher. Not all versions of 2.92 have this feature.
375 * version.c: Bump minor number to 93.
377 Fri Jan 8 10:51:13 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
379 * config/m68k/m68k.h: Declare output_function_epilogue.
380 * recog.h: Declare next_insn_tests_no_inequality.
382 Fri Jan 8 01:43:53 1999 Jeffrey A Law (law@cygnus.com)
384 * stmt.c (optimize_tail_recursion): New function, extracted from ...
385 (expand_return): Use optimize_tail_recursion.
386 * tree.h (optimize_tail_recursion): Declare.
388 * toplev.c (compile_file): Move call to output_func_start_profiler
389 to after the loop to emit deferred functions.
391 Thu Jan 7 19:52:53 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
393 * system.h (abort): Supply more detailed information on how to
394 report an Internal Compiler Error.
396 Thu Jan 7 11:26:17 1999 Mark Mitchell <mark@markmitchell.com>
398 * calls.c (store_unaligned_arguments_into_pseudos): Use xmalloc to
399 allocate memory that will live beyond this function.
400 (expand_call): Free it here.
402 Thu Jan 7 03:08:17 1999 Richard Henderson <rth@cygnus.com>
404 * sparc.h (PREFERRED_RELOAD_CLASS): Select GENERAL_REGS for
405 integer data not destined for fp regs.
406 (LEGITIMIZE_RELOAD_ADDRESS): New.
408 Thu Jan 7 03:03:42 1999 Stan Cox <scox@cygnus.com>
409 Richard Henderson <rth@cygnus.com>
411 Support for Hypersparc and Sparclite86x:
412 * sparc.h (TARGET_CPU_hypersparc, TARGET_CPU_sparclite86x): New.
413 (CPP_CPU32_DEFAULT_SPEC): Fix up for the new targets.
414 (ASM_CPU32_DEFAULT_SPEC): Likewise.
415 (TARGET_CPU_DEFAULT): Likewise.
416 (enum processor_type): Likewise.
417 (CPP_ENDIAN_SPEC): Handle little endian data.
418 (LIBGCC2_WORDS_BIG_ENDIAN): Likewise.
419 (ADJUST_COST): Call sparc_adjust_cost.
420 * sparc.c (sparc_override_options): Fix up for the new targets.
421 (supersparc_adjust_cost): Make static.
422 (hypersparc_adjust_cost): New.
423 (ultrasparc_adjust_cost): Make static.
424 (sparc_adjust_cost): New.
425 * sparc.md (attr cpu): Add hypersparc and sparclite86x.
426 (function_unit): Add hypersparc scheduling rules.
428 * configure.in (with_cpu handler): Recognize hypersparc.
430 Thu Jan 7 23:54:05 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
432 * config/c4x/c4x.c: Added space after negation operator.
433 * config/c4x/c4x.h: Likewise.
434 * config/c4x/c4x.md: Likewise.
436 Thu Jan 7 23:39:27 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
438 * config/c4x/c4x.c (c4x_preferred_reload_class): Always return class.
440 Thu Jan 7 00:29:25 199 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
442 * combine.c (num_sign_bit_copies): In NEG, MULT, DIV and MOD cases,
443 when a test can't be performed due to limited width of
444 HOST_BITS_PER_WIDE_INT, use the more conservative approximation.
445 Fix UDIV case for cases where the first operand has the highest bit
448 Thu Jan 7 00:01:38 1999 Lutz Vieweg <lkv@mania.robin.de>
450 * pa.h (reg_class): Add FPUPPER_REGS.
451 (REG_CLASS_NAMES): Similarly.
452 (REG_CLASS_CONTENTS): Similarly
453 (REGNO_REG_CLASS): Handle FPUPPER_REGS.
454 (FP_REG_CLASS_P): Likewise.
455 (REG_CLASS_FROM_LETTER): Similarly.
456 (CLASS_MAX_NREGS): Similarly.
458 1999-01-06 Brendan Kehoe <brendan@cygnus.com>
460 * fixincludes: For HP/UX 10.20, also look in curses_colr/curses.h
461 for a typedef of bool. Make sure to have a copy of the file is
462 in place before we look to fix it. Fix typo in variable name to
465 Wed Jan 6 07:51:05 1999 Richard Henderson <rth@cygnus.com>
467 * expr.c (expand_builtin) [case BUILT_IN_CONSTANT_P]: Use
468 value_mode for the return mode.
470 Wed Jan 6 17:55:19 1999 Robert Lipe <robertlipe@usa.net>
472 * configure.in: New flag --with-dwarf2. If set, enables DWARF-2
473 debugging as default.
475 * config/tm-dwarf2.h: New file.
477 Wed Jan 6 16:08:54 1999 Jeffrey A Law (law@cygnus.com)
479 * h8300.h (ASM_OUTPUT_LABELREF): Define.
481 * pa.h (DONT_RECORD_EQUIVALENCE): Kill.
482 * local-alloc.c (update_equiv_regs): Corresponding changes.
483 * tm.texi (DONT_RECORD_EQUIVALENCE): Kill.
485 * calls.c (special_function_p): Push alloca test inside the large
486 conditional which excludes functions not at file scope or not
489 * calls.c (special_function_p): New function broken out of
491 (precompute_register_parameters): Likewise.
492 (store_one_arg): Likewise.
493 (store_unaligned_argumetns_into_pseudos): Likewise.
494 (save_fixed_argument_area): Likewise.
495 (restore_fixed_argument_area): Likewise.
496 (expand_call): Corresponding changes.
498 Wed Jan 6 10:43:29 1999 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
500 * config/m68k/m68k.c (const_uint32_operand): Remove CONSTANT_P_RTX
502 (const_sint32_operand): Likewise.
504 Wed Jan 6 09:44:51 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
506 * toplev.h: In addition to checking _JBLEN, also check if `setjmp'
507 is a macro when deciding if we can use `jmp_buf' in prototypes.
509 Thu Jan 7 00:12:24 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
511 * config/c4x/c4x.md (addqi3): If the destination operand is
512 a hard register other than an extended precision register,
513 emit addqi3_noclobber.
514 (*addqi3_noclobber_reload): New pattern added so that reload
515 will recognise a store of a pseudo, equivalent to the sum
516 of the frame pointer and a constant, as an add insn.
518 Wed Jan 6 03:18:53 1999 Mark Elbrecht <snowball3@usa.net.
520 * configure.in (pc-msdosdjgpp): Set x_make to x-go32.
521 * configure: Rebuilt.
522 * i386/xm-go32.h: Define LIBSTDCXX.
524 * i386/go32.h (MD_EXEC_PREFIX): Define.
525 (FILE_NAME_ABSOLUTE_P): Define.
526 (LINK_COMMAND_SPEC): Define.
528 Wed Jan 6 02:23:36 1999 "Charles M. Hannum" <root@ihack.net>
530 * expr.c (store_expr): If the lhs is a memory location pointed
531 to be a postincremented (or postdecremented) pointer, always
532 force the rhs to be evaluated into a pseudo.
534 Wed Jan 6 00:54:21 1999 Geoff Keating <geoffk@ozemail.com.au>
536 * real.c (mtherr): Print more reasonable warning messages.
538 Tue Jan 5 21:57:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
540 * Makefile.in (gcc.o, prefix.o, cccp.o, cpplib.o): Depend on prefix.h.
542 * cccp.c: Include prefix.h, don't prototype prefix.c functions.
543 (new_include_prefix): Constify char* parameters.
545 * cppfiles.c (read_name_map): Likewise.
546 (append_include_chain): Likewise. Also, use a writable char* copy
547 of parameter `dir' which we then modify, rather than using the
548 parameter itself to store the new writable string.
549 (remap_filename): Constify some variables. Also, use a writable
550 char* to store an allocated string which we will be modifying.
552 * cpplib.c: Include prefix.h, don't prototype prefix.c functions.
553 (cpp_start_read): Constify variable `str'.
555 * cpplib.h (append_include_chain): Constify a char* parameter.
557 * gcc.c Include prefix.h, don't prototype prefix.c functions.
558 (add_prefix, save_string): Constify char* parameters.
559 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
561 * prefix.c: Include prefix.h.
562 (get_key_value, translate_name, save_string, update_path,
563 set_std_prefix): Constify various char* parameters and variables.
564 (save_string): Use xmalloc, not malloc.
565 (translate_name): Use a writable temporary variable to create and
566 modify a string before setting it to a const char*.
568 * prefix.h: New file to prototype functions exported from prefix.c.
570 Mon Jan 4 15:37:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
572 * cpplib.c (skip_if_group): Split out the logic that handles
573 directive recognition to its own function. Don't use
574 parse markers; use a bare pointer into the buffer. Use
575 copy/skip_rest_of_line instead of doing it by hand. Remove
576 `return on any directive' mode which was never used, and take
578 (consider_directive_while_skipping): New function, subroutine
579 of skip_if_group. Logic streamlined a bit.
580 (conditional_skip, do_elif, do_else): Call skip_if_group with
583 Mon Jan 4 15:27:30 1999 Zack Weinberg <zack@rabi.phys.columbia.edu>
585 * cpplib.c (do_undef): EOF immediately after '#undef FOO' is not an
588 Mon Jan 4 11:55:51 1999 Jason Merrill <jason@yorick.cygnus.com>
590 * extend.texi (Bound member functions): Document.
592 Mon Jan 4 11:01:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
594 * mips-tdump.c (st_to_string, sc_to_string, glevel_to_string,
595 lang_to_string, type_to_string): Make return type const char*.
596 (print_symbol): Apply `const' keyword to a char*.
597 (print_file_desc): Cast structure member `crfd' to ulong when
598 comparing against one.
600 * mips-tfile.c (pfatal_with_name): Apply `const' keyword to char*.
601 (fatal, error): Add ATTRIBUTE_PRINTF_1 to prototypes.
602 (progname, input_name): Apply `const' keyword to a char*.
603 Don't redundantly include sys/stat.h.
604 (alloc_info): Apply `const' keyword to a char*.
605 (st_to_string, sc_to_string): Likewise.
606 (hash_string): Cast variable `hash_string' to a symint_t when
607 comparing against one.
608 (add_string): Cast PAGE_USIZE to Ptrdiff_t when comparing against one.
609 Likewise cast it to long when comparing against one.
610 (add_local_symbol): Apply `const' keyword to a char*.
611 (add_ext_symbol): Likewise.
612 (add_unknown_tag): Likewise.
613 (add_procedure): Cast a printf-style field width to an int.
614 (add_file): Cast PAGE_USIZE to long when comparing against one
615 (parse_begin): Cast a printf-style field width to an int.
616 (parse_bend): Likewise.
617 (parse_def): Likewise.
618 (parse_end): Likewise.
619 (mark_stabs): Mark parameter `start' with ATTRIBUTE_UNUSED.
620 (parse_stabs_common): Fix format specifier.
621 (parse_input): Change type of variable `i' to Size_t.
622 (write_object): Fix arguments to match format specifiers.
623 Cast variable `num_write' to long when comparing against one.
624 (read_seek): Cast variable `sys_read' to symint_t when comparing
625 against one. Fix arguments to match format specifiers. Cast
626 variable `size' to long when comparing against one.
627 (copy_object): Cast result of `sizeof' to int when comparing
628 against one. Fix arguments to match format specifiers. Cast
629 variable `ifd' to long when comparing against a signed value.
632 Mon Jan 4 10:30:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
634 * c-common.c (decl_attributes): Allow applying attribute `unused'
637 * c-parse.in (label): Parse attributes after a label, and call
638 `decl_attributes' to handle them.
640 * gansidecl.h (ATTRIBUTE_UNUSED_LABEL): Define.
642 * genrecog.c (OUTPUT_LABEL, write_tree_1, write_tree): When
643 generating labels, mark them with ATTRIBUTE_UNUSED_LABEL.
645 * invoke.texi: Note that labels can be marked `unused'.
647 Sun Jan 3 23:32:18 PST 1999 Jeff Law (law@cygnus.com)
649 * version.c: Bump for snapshot.
651 Sun Jan 3 23:00:42 1999 Jeffrey A Law (law@cygnus.com)
653 * optabs.c (emit_cmp_and_jump_insns): Use CONSTANT_P canonicalizing
654 RTL for a compare/jump sequence.
656 Sun Jan 3 22:58:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
658 * optabs.c (emit_cmp_insn): Abort if asked to emit non-canonical RTL
659 for a target with HAVE_cc0 defined.
660 (emit_cmp_and_jump_insns): New function.
661 * expr.h (emit_cmp_and_jump_insns): Prototype it.
662 * loop.c (check_dbra_loop): Use it to replace calls
663 to emit_cmp_insn and emit_jump_insn and to canonicalise
664 the comparison if necessary.
665 * unroll.c (unroll_loop): Likewise.
667 Sun Jan 3 21:01:04 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
669 * fixincludes (sys/utsname.h): Provide forward declaration of
670 struct utsname on Ultrix V4.[35].
672 * mips.md (div_trap): Use local labels instead of dot-relative
675 Sun Jan 3 20:40:34 1999 Jeffrey A Law (law@cygnus.com)
677 * pa.md (branch, negated branch): Handle (const_int 0) as first
679 * pa.c (output_cbranch): Likewise.
681 Sun Jan 3 03:20:38 1999 David Edelsohn <edelsohn@mhpcc.edu>
683 * rs6000.c (rs6000_stack_info): Undo spurious part of last
686 1999-01-01 Manfred Hollstein <manfred@s-direktnet.de>
688 * extend.texi (__builtin_constant_p): Add missing @smallexample.
690 Fri Jan 1 11:48:20 1999 Jeffrey A Law (law@cygnus.com)
692 * i386.md (doubleword shifts): Fix dumb mistakes in previous change.
694 Wed Dec 30 23:38:55 1998 Jeffrey A Law (law@cygnus.com)
696 * m68k.md (adddi_dilshr32): Allow all operands to be registers too.
697 (adddi_dishl32): Similarly.
699 * cse.c (invalidate_skipped_block): Call invalidate_from_clobbers
700 for each insn in the skipped block.
702 * reload1.c (reload_as_needed): Verify that the insn satisfies its
703 constraints after replacing a register address with an autoincrement
704 address for reload inheritance purposes.
706 * i386.md (doubleword shifts): Avoid namespace pollution.
708 Wed Dec 30 23:00:28 1998 David O'Brien <obrien@NUXI.com>
710 * configure.in (FreeBSD ELF): Needs special crt files.
712 Wed Dec 30 22:50:13 1998 Geoffrey Noer <noer@cygnus.com>
714 * i386/xm-cygwin.h: change DIR_SEPARATOR to forward slash.
716 1998-12-30 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
718 * loop.c (check_dbra_loop): While reversing the loop, if the
719 comparison value has a VOID mode use the mode of the other operand
722 Wed Dec 30 22:24:00 1998 Michael Meissner <meissner@cygnus.com>
724 * rs6000.md ({save,restore}_stack_function): Take 2 operands to
725 avoid warnings in compiling explow.c.
727 (patch from Ken Raeburn, raeburn@cygnus.com)
728 * rs6000.c (rs6000_stack_info): Force 8-byte alignment of
729 fpmem_offset. Compute total size after that, and then
730 rs6000_fpmem_offset using both values.
732 Mon Dec 28 19:26:32 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
734 * gcc.texi (Non-bugs): ``Empty'' loops will be optimized away in
735 the future; indeed that already happens in some cases.
737 Tue Dec 29 11:58:53 1998 Richard Henderson <rth@cygnus.com>
739 * sparc.c (input_operand): Recognize (const (constant_p_rtx)).
740 (arith_operand): Remove constant_p_rtx handling.
741 (const64_operand, const64_high_operand): Likewise.
742 (arith11_operand, arith10_operand, arith_double_operand): Likewise.
743 (arith11_double_operand, arith10_double_operand, small_int): Likewise.
744 (small_int_or_double, uns_small_int, zero_operand): Likewise.
745 * sparc.h (PREDICATE_CODES): Likewise.
747 * rtl.h (CONSTANT_P): Remove CONSTANT_P_RTX.
749 Tue Dec 29 11:32:54 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>:
751 * rtl.def (CONSTANT_P_RTX): Clarify commentary.
752 * expr.c (expand_builtin, case BUILT_IN_CONSTANT_P): Rework to
753 consider constant CONSTRUCTOR constant and to defer some cases
755 * cse.c (fold_rtx, case CONST): Add handling for CONSTANT_P_RTX.
756 * regclass.c (reg_scan_mark_refs, case CONST): Likewise.
758 Tue Dec 29 11:30:10 1998 Richard Henderson <rth@cygnus.com>
760 * expr.c (init_expr_once): Kill can_handle_constant_p recognition.
761 * cse.c (fold_rtx, case 'x'): Remove standalone CONSTANT_P_RTX code.
763 * alpha.c (reg_or_6bit_operand): Remove CONSTANT_P_RTX handling.
764 (reg_or_8bit_operand, cint8_operand, add_operand): Likewise.
765 (sext_add_operand, and_operand, or_operand): Likewise.
766 (reg_or_cint_operand, some_operand, input_operand): Likewise.
767 * alpha.h (PREDICATE_CODES): Likewise.
769 Sat Dec 26 23:26:26 PST 1998 Jeff Law (law@cygnus.com)
771 * version.c: Bump for snapshot.
773 Sat Dec 26 09:17:04 1998 Jeffrey A Law (law@cygnus.com)
775 * gengenrtl.c (gencode): Always use bzero to clear memory instead
776 of dangerous casts and stores.
778 * Makefile.in (compare, gnucompare): Add missing else true clauses.
780 Fri Dec 25 23:00:56 1998 Jeffrey A Law (law@cygnus.com)
782 * alpha.md (builtin_longjmp): Add missing "DONE".
784 Thu Dec 24 10:39:57 1998 Stan Cox <scox@cygnus.com>
786 * gcc.c (execute): Enable -pipe with win32.
788 Wed Dec 23 10:27:44 1998 Nick Clifton <nickc@cygnus.com>
790 * config/arm/t-arm-elf: Add multiplib option for leading
793 * config/arm/thumb.h (ASM_OUTPUT_LABELREF): Use variable
794 'user_label_prefix' rather than macro USER_LABEL_PREFIX.
796 (thumb_shiftable_const): Use macro 'BASE_REG_CLASS' rather
797 than variable 'reload_address_base_reg_class'. [Note this
798 change is unrelated to the others in this patch].
800 * config/arm/unknown-elf.h (USER_LABEL_PREFIX): Default to no
803 Wed Dec 23 09:51:32 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
805 * alias.c (record_alias_subset): Remove ignored `&'.
806 (init_alias_once): Likewise.
808 * c-lex.c (UNGETC): Cast first argument of comma expression to void.
810 * config/mips/mips.c (mips_asm_file_end): Cast the result of
811 fwrite to `int' when comparing against one.
813 * config/mips/mips.h (CAN_ELIMINATE): Add parens around && within ||.
814 (INITIAL_ELIMINATION_OFFSET): Add braces to avoid ambiguous `else'.
816 * cse.c (rehash_using_reg): Change type of variable `i' to
819 * dwarf2out.c (initial_return_save): Cast -1 to unsigned before
822 * except.c (duplicate_eh_handlers): Remove unused variable `tmp'.
824 * final.c (final_scan_insn): Likewise for variable `i'.
825 (output_asm_insn): Cast a char to unsigned char when used as an
828 * gcse.c (compute_pre_ppinout): Cast -1 to SBITMAP_ELT_TYPE when
831 * loop.c (strength_reduce): Remove unused variables `count' and `temp'.
833 * recog.c (preprocess_constraints): Cast a char to unsigned char
834 when used as an array index.
836 * regmove.c (find_matches): Likewise.
838 * reload1.c (calculate_needs): Add default case in switch.
839 (eliminate_regs_in_insn): Initialize variable `offset'.
840 (set_offsets_for_label): Change type of variable `i' to unsigned.
841 (reload_as_needed): Wrap variable `i' in macro check on
842 AUTO_INC_DEC || INSN_CLOBBERS_REGNO_P.
844 * scan-decls.c (scan_decls): Mark parameters `argc' and `argv'
845 with ATTRIBUTE_UNUSED. Cast variable `start_written' to size_t
846 when comparing against one.
848 * stor-layout.c (layout_decl): Cast maximum_field_alignment to
849 unsigned when comparing against one. Likewise for
850 GET_MODE_ALIGNMENT().
851 (layout_record): Cast record_align to int when comparing against a
853 (layout_type): Cast TYPE_ALIGN() to int when comparing against a
856 * tree.c (get_identifier): Cast variable `len' to unsigned when
857 comparing against one.
858 (maybe_get_identifier): Likewise
860 Wed Dec 23 00:10:01 1998 Jeffrey A Law (law@cygnus.com)
862 * toplev.c (rest_of_compilation): Do not set reload_completed.
863 * reload1.c (reload): Set reload_completed before calling
864 cleanup_subreg_operands.
866 Tue Dec 22 23:58:31 1998 Richard Henderson <rth@cygnus.com>
868 * reload1.c (emit_reload_insns): Check `set' not null before use.
870 Tue Dec 22 15:15:45 1998 Nick Clifton <nickc@cygnus.com>
872 * rtlanal.c (multiple_sets): Change type of 'found' from 'rtx' to
875 Tue Dec 22 13:55:44 1998 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
877 * halfpic.c (half_pic_encode): Delete redundant code.
879 Tue Dec 22 13:02:22 1998 Michael Meissner <meissner@cygnus.com>
881 * toplev.c (main): Delete handling of -dM as a preprocessor
884 Mon Dec 21 17:39:38 1998 Michael Meissner <meissner@cygnus.com>
886 * toplev.c (main): Don't emit any warnings when using -dD, -dM, or
887 -dI, which are handled by the preprocessor.
889 Sun Dec 20 16:13:44 1998 John F. Carr <jfc@mit.edu>
891 * configure.in: Handle Digital UNIX 5.x the same as 4.x.
892 * i386/sol2.h: Define LOCAL_LABEL_PREFIX as ".".
894 Sun Dec 20 07:39:52 PST 1998 Jeff Law (law@cygnus.com)
896 * version.c: Bump for snapshot.
898 Sat Dec 19 22:24:22 PST 1998 Jeff Law (law@cygnus.com)
900 * version.c: Bump for snapshot.
902 Sat Dec 19 21:41:32 PST 1998 Jeff Law (law@cygnus.com)
904 * version.c: Bump for snapshot.
906 Sat Dec 19 09:52:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
908 * genattr.c (fatal): Qualify a char* with the `const' keyword.
910 * genattrtab.c (fatal, attr_printf, attr_string, write_attr_set,
911 write_unit_name, write_eligible_delay, expand_units,
912 make_length_attrs, write_attr_case, find_attr,
913 make_internal_attr): Likewise.
914 * gencheck.c (tree_codes): Likewise.
915 * gencodes.c (fatal): Likewise.
916 * genconfig.c (fatal): Likewise.
917 * genemit.c (fatal): Likewise.
918 * genextract.c (fatal, walk_rtx, copystr): Likewise.
919 * genflags.c (fatal): Likewise.
920 * genopinit.c (fatal, optabs, gen_insn): Likewise.
921 * genoutput.c (fatal, error, predicates): Likewise.
922 * genpeep.c (fatal): Likewise.
923 * genrecog.c (fatal, decision, pred_table, add_to_sequence,
924 write_tree_1, write_tree, change_state, copystr, indents): Likewise.
926 Thu Dec 17 18:21:49 1998 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
928 * configure.in (with-fast-fixincludes): Fix whitespace.
929 * configure: Rebuilt.
931 * fixincludes (c_asm.h): Wrap Digital UNIX V4.0B DEC C specific
932 asm() etc. function declarations in __DECC.
934 Thu Dec 17 13:57:23 1998 Nick Clifton <nickc@cygnus.com>
936 * expr.c (emit_move_insn_1): Only emit a clobber if the target
937 is a pseudo register.
939 Thu Dec 17 13:50:29 1998 Nick Clifton <nickc@cygnus.com>
941 * gcse.c: Include expr.h in order to get the prototype for
942 get_condition() which is used in delete_null_pointer_checks().
944 Thu Dec 17 15:58:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
946 * hwint.h: New file to consolidate HOST_WIDE_INT (etc) macros.
948 Thu Dec 17 12:31:12 1998 Jim Wilson <wilson@cygnus.com>
950 * Makefile.in (INTERNAL_CFLAGS): Add SCHED_CFLAGS.
951 (ALL_CFLAGS): Delete SCHED_CFLAGS.
953 1998-12-17 Vladimir N. Makarov <vmakarov@cygnus.com>
955 * config/i60/i960.md (extendqihi2): Fix typo (usage ',' instead of
958 1998-12-17 Michael Tiemann <tiemann@axon.cygnus.com>
960 * i960.md (extend*, zero_extend*): Don't generate rtl that looks
961 like (subreg:SI (reg:SI N) 0), because it's wrong, and it hides
962 optimizations from the combiner.
964 Thu Dec 17 08:27:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
966 * loop.c (combine_givs_used_by_other): Don't depend on n_times_set.
968 Wed Dec 16 17:30:35 1998 Nick Clifton <nickc@cygnus.com>
970 * toplev.c (main): Disable optimize_size if a specific
971 optimization level is requested. Always set optimization
972 level to 2 if -Os is specified.
974 Wed Dec 16 16:33:04 1998 Dave Brolley <brolley@cygnus.com>
976 * objc/lang-specs.h: Pass -MD, -MMD and -MG to cc1obj if configured with
978 * cpplib.c (cpp_start_read): If in_fname is not initialized, try to
979 initialize it using fname.
981 1998-12-16 Zack Weinberg <zack@rabi.phys.columbia.edu>
983 * cpplib.c (do_include): Treat #include_next in the
984 primary source file as #include plus warning. Treat
985 #include_next in a file included by absolute path as an
986 error. fp == CPP_NULL_BUFFER is a fatal inconsistency.
988 Wed Dec 16 12:28:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
990 * cccp.c: Don't define MIN/MAX anymore.
991 * cpplib.c: Likewise.
992 * machmode.h: Likewise.
993 * system.h: Provide definitions for MIN/MAX.
995 Tue Dec 15 23:47:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
997 * fix-header.c: Don't define xstrdup here.
999 Wed Dec 16 05:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1001 * loop.c (consec_sets_giv): New argument last_consec_insn.
1002 (strength_reduce): Provide / use it.
1004 Wed Dec 16 17:24:07 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1006 * loop.h (loop_info): New field 'vtop'.
1007 * loop.c (check_dbra_loop): Use loop_info->vtop rather than
1008 scanning loop for vtop.
1009 * unroll.c (subtract_reg_term, find_common_reg_term): New functions.
1010 (loop_iterations): Use them to determine if loop has a constant
1011 number of iterations. Set loop_info->vtop. Don't subtract
1012 common reg term from initial_value and final_value if have a
1015 Tue Dec 15 13:49:55 1998 Jeffrey A Law (law@cygnus.com)
1017 * mn10200.md (addsi3 expander): Use "nonmemory_operand" for operand 2.
1019 * mn10300.md (bset, bclr): Operand 0 is a read/write operand.
1021 * mn10200.md (abssf2, negsf2): New expanders.
1023 * mn10300.md (absdf2, abssf2, negdf2, negsf2): New expanders.
1025 Tue Dec 15 11:55:30 1998 Nick Clifton <nickc@cygnus.com>
1027 * integrate.c (copy_rtx_and_substitute): If a SUBREG is
1028 replaced by a CONCAT whoes components do not have the same
1029 mode as the original SUBREG, use a new SUBREG to restore the
1032 * emit-rtl.c (subreg_realpart_p): Cope with subregs containing
1033 multiword complex values.
1035 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1037 * cppalloc.c: Add xstrdup here.
1038 * cpplib.h: Remove savestring prototype.
1039 * cpplib.c: Remove savestring function. s/savestring/xstrdup/
1041 * cppfiles.c: s/savestring/xstrdup/ throughout.
1043 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1045 * cpplib.c: Make all directive handlers read their own
1047 (struct directive): Remove last two arguments from FUNC
1048 member prototype. Remove `command_reads_line' member
1050 (directive_table): Remove initializations of
1051 command_reads_line flag. Pretty-print.
1052 (eval_if_expression, do_define, do_line, do_include,
1053 do_undef, do_error, do_pragma, do_ident, do_if, do_xifdef,
1054 do_else, do_elif, do_sccs, do_assert, do_unassert,
1055 do_warning): Take only two args.
1057 (cpp_define): Call do_define with two args and the text to
1058 define stuffed into a buffer.
1059 (make_assertion): Call do_assert with two args.
1060 (handle_directive): Call do_line with two args. Call
1061 kt->func with two args. Remove command_reads_line
1063 (do_define, do_undef, do_error, do_warning, do_pragma,
1064 do_sccs): Read the rest of the line here.
1065 (do_ident): Gobble rest of line, as cccp does.
1066 (cpp_undef): New function.
1067 (cpp_start_read): Call cpp_undef instead of do_undef.
1069 1998-12-15 Zack Weinberg <zack@rabi.phys.columbia.edu>
1071 * cpphash.h (union hash_value): Remove `keydef' member, add a
1072 `struct hashnode *aschain' member for #assert.
1074 * cpplib.c (struct tokenlist_list, struct
1075 assertion_hashnode): Delete structure definitions.
1076 (assertion_install, assertion_lookup, delete_assertion,
1077 check_assertion, compare_token_lists, reverse_token_list,
1078 read_token_list, free_token_list): Delete functions.
1079 (parse_assertion): New function.
1080 (cpp_cleanup): Don't destroy the assertion_hashtable.
1082 (do_assert): Gut and rewrite. #assert foo (bar) places
1083 entries for `#foo' and `#foo(bar)' in the macro hash table,
1084 type T_ASSERT. The value union's `aschain' member is used
1085 to chain all answers for a given predicate together.
1086 (do_unassert): Also rewritten. Take an un-asserted
1087 answer off the chain from its predicate and call
1088 delete_macro on the hashnode, or walk a predicate chain
1089 calling delete_macro on all the entries.
1090 (cpp_read_check_assertion): Simply call parse_assertion to
1091 get the canonical assertion name, and look that up in the
1094 * cpplib.h (ASSERTION_HASHNODE,ASSERTION_HASHSIZE,assertion_hashtab):
1097 * cpphash.c (install): Use bcopy instead of an explicit loop
1098 to copy the macro name.
1100 * cppexp.c (cpp_lex): Convert the result of
1101 cpp_read_check_assertion to a `struct operation' directly;
1102 don't go through parse_number.
1104 Tue Dec 15 18:27:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1106 * loop.h (struct induction): Delete times_used member.
1107 * loop.c (n_times_set): Rename to set_in_loop. Changed all users.
1108 (n_times_used): Rename to n_times_set. Changed all users.
1109 (scan_loop): Free reg_single_usage before strength reduction.
1110 (record_giv, combine_givs): Remove handling of times_used member.
1111 (combine_givs_used_once): Rename to:
1112 (combine_givs_used_by_other) . Changed all callers.
1114 Tue Dec 15 01:45:26 1998 Jason Merrill <jason@yorick.cygnus.com>
1116 * dwarf2out.c (gen_struct_or_union_type_die): Check AGGREGATE_TYPE_P
1117 instead of TREE_CODE_CLASS == 't'.
1118 (gen_type_die): Likewise.
1119 (scope_die_for): Ignore FUNCTION_TYPE "scopes".
1121 Mon Dec 14 16:23:27 1998 Jim Wilson <wilson@cygnus.com>
1123 * real.c (endian): Disable last change unless
1124 HOST_BITS_PER_WIDE_INT is greater than 32.
1126 Mon Dec 14 17:13:36 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1128 * output.h (force_data_section): New prototype.
1129 * varasm.c (force_data_section): New function to force the
1130 data section, regardless of what in_section thinks.
1131 * dwarf2out.c (output_call_frame_info): Call force_data_section
1132 since varasm may not realize we've changes sections.
1134 Mon Dec 14 14:09:34 1998 Nick Clifton <nickc@cygnus.com>
1136 * reload1.c (reload): Delete REG_RETVAL and REG_LIBCALL notes
1137 after completeing reload.
1139 * rtl.texi: Document that REG_RETVAL and REG_LIBCALL are
1140 deleted after reload.
1142 Mon Dec 14 01:39:28 1998 Jeffrey A Law (law@cygnus.com)
1144 * rtl.h (multiple_sets): Fix prototype.
1145 * rtlanal.c (multiple_sets): Fix return type.
1147 Sun Dec 13 12:43:58 PST 1998 Jeff Law (law@cygnus.com)
1149 * version.c: Bump for snapshot.
1151 Sun Dec 13 01:05:22 PST 1998 Jeff Law (law@cygnus.com)
1153 * version.c: Bump for snapshot.
1155 1998-12-13 Manfred Hollstein <manfred@s-direktnet.de>
1157 * protoize.c (fputs): Wrap extern declaration in #ifndef fputs.
1159 Sun Dec 13 00:24:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1161 * rtl.h (recompute_reg_usage): Add second argument.
1162 * flow.c (recompute_reg_usage): Likewise.
1163 * toplev.c (rest_of_compilation): Supply second argument to
1164 recompute_reg_usage.
1166 * reload1.c (compute_use_by_pseudos): Allow reg_renumber[regno] < 0
1169 Sat Dec 12 23:39:10 1998 Jeffrey A Law (law@cygnus.com)
1171 * m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcpu32.
1172 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
1173 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
1176 * i386/next.h (ASM_OUTPUT_ALIGN): Use 0x90 for fill character.
1178 * rtlanal.c (multiple_sets): New function.
1179 * rtl.h (multiple_sets): Declare it.
1180 * local-alloc.c (wipe_dead_reg): Use it.
1181 * global.c (global_conflicts): Likewise.
1183 Sat Dec 12 22:13:02 1998 Mark Mitchell <mark@markmitchell.com>
1185 * global.c (record_conflicts): Don't use an array of shorts to
1186 store an array of ints.
1187 (global_conflicts): Likewise.
1189 Sat Dec 12 16:49:24 1998 Richard Henderson <rth@cygnus.com>
1191 * alpha.c (alpha_expand_block_move): mode_for_size expects
1192 bits, not bytes. Infer extra alignment from addressof.
1194 1998-12-11 Michael Meissner <meissner@cygnus.com>
1196 * rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Put small data in the
1197 .sbss section, not .sdata.
1199 1998-12-11 Manfred Hollstein <manfred@s-direktnet.de>
1201 * cccp.c: Do not #include <sys/stat.h> here; this is already done
1203 * collect2.c: Likewise.
1204 * cpplib.h: Likewise.
1207 * getpwd.c: Likewise.
1208 * protoize.c: Likewise.
1209 * toplev.c: Likewise.
1211 * cpplib.h (HOST_WIDE_INT): Get definition from "machmode.h"
1212 and don't try to define it here.
1213 * Makefile.in (cppmain.o): Depend on machmode.h.
1214 (cpplib.o): Likewise.
1215 (cpperror.o): Likewise.
1216 (cppexp.o): Likewise.
1217 (cppfiles.o): Likewise.
1218 (cpphash.o): Likewise.
1219 (cppalloc.o): Likewise.
1220 (fix-header.o): Likewise.
1221 (scan-decls.o): Likewise.
1223 Fri Dec 11 11:02:49 1998 Stan Cox <scox@cygnus.com>
1225 * sh.c (print_operand): lookup interrupt_handler attribute instead
1226 of relying on static variable.
1227 * (calc_live_regs): Likewise.
1228 * (sh_pragma_insert_attributes): Create interrupt_handler
1229 attribute if a pragma was specified
1230 * (sh_valid_machine_decl_attribute): Don't set static flag.
1231 * sh.h (PRAGMA_INSERT_ATTRIBUTES): New.
1233 Fri Dec 11 12:56:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1235 * reload1.c (reload_combine): Use BASIC_BLOCK_LIVE_AT_START
1236 to determine if a register is live at a jump destination.
1237 Everything is dead at a BARRIER.
1239 Thu Dec 10 16:02:06 1998 Jim Wilson <wilson@cygnus.com>
1241 * cse.c (simplify_unary_operation): Sign-extend constants when
1242 they have the most significant bit set for the target.
1243 * real.c (endian): Sign-extend 32 bit output values on a 64 bit
1245 * m32r/m32r.c (m32r_expand_prologue): Store pretend_size in
1246 HOST_WIDE_INT temporary before negating it.
1247 * m32r/m32r.md (movsi_insn+1): Use ~0xffff instead of 0xffff0000.
1249 Thu Dec 10 15:05:59 1998 Dave Brolley <brolley@cygnus.com>
1251 * objc/objc-act.c (lang_init_options): Enclose cpplib related code in
1254 Thu Dec 10 13:39:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1256 * collect2.h: New header file for prototypes.
1258 * Makefile.in (collect2.o, tlink.o): Depend on collect2.h.
1260 * collect2.c: Include collect2.h.
1261 * tlink.c: Likewise.
1263 Wed Dec 9 23:55:11 1998 Jeffrey A Law (law@cygnus.com)
1265 * flow.c: Update some comments.
1267 Wed Dec 9 15:29:26 1998 Dave Brolley <brolley@cygnus.com>
1269 * objc/objc-act.c (cpp_initialized): Removed.
1270 (lang_init_options): Initialize cpplib.
1271 (lang_decode_option): Move initialization of cpplib to
1273 * c-lang.c: (parse_options,parse_in): Added.
1274 (lang_init_options): Initialized cpplib here.
1275 * c-decl.c (parse_options,cpp_initialized): Removed.
1276 (c_decode_option): Move initialization of cpplib to
1279 Wed Dec 9 19:36:57 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1281 * reload1.c (reload_combine, reload_combine_note_store):
1282 Make STORE_RUID always valid.
1283 (reload_combine): Check if BASE is clobbered too early.
1285 Wed Dec 9 09:53:58 1998 Nick Clifton <nickc@cygnus.com>
1287 * reload.c (find_reloads): Display the insn that cannot be
1290 Wed Dec 9 12:15:26 1998 Dave Brolley <brolley@cygnus.com>
1292 * cccp.c (create_definition): Fix end of bufer logic.
1294 Wed Dec 9 10:15:45 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1296 * except.c (duplicate_eh_handlers, rethrow_symbol_map): Function
1297 pointer parameters changed to use the PARAMS() macro.
1299 Wed Dec 9 09:12:40 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1301 * except.h (struct handler_info): Add handler_number field.
1302 * except.c (gen_exception_label): EH labels no longer need to be
1303 on the permanent obstack.
1304 (get_new_handler): Set the label number field.
1305 (output_exception_table_entry): Regenerate handler label reference
1306 from the label number field.
1307 (init_eh): Remove a blank line.
1308 * integrate.c (get_label_from_map): Labels no longer need to be
1309 on the permanent obstack.
1311 Tue Dec 8 22:04:33 1998 Jim Wilson <wilson@cygnus.com>
1313 * i960/i960.h (CONST_COSTS, case CONST_INT): Accept power2_operand
1314 only when OUTER_CODE is SET.
1316 Tue Dec 8 22:47:15 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1318 * loop.c (strength_reduce): If scan_start points to the loop exit
1319 test, be wary of subversive use of gotos inside expression statements.
1320 Don't set maybe_multiple for a backward jump that does not
1321 include the label under consideration into its range.
1322 * unroll.c (biv_total_increment): Make use of maybe_multiple field.
1324 Tue Dec 8 22:33:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1326 * explow.c (plus_constant_wide): Don't immediately return with
1327 result of recursive call.
1329 Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
1331 * eh-common.h (struct eh_context): Add table_index for rethrows.
1333 * rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
1334 (SYMBOL_REF_NEED_ADJUST): New flag indicating symbol needs to be
1335 processed when inlined or unrolled (ie duplicated in some way).
1337 * rtl.c (reg_note_name): Add strings for new reg_note enums.
1339 * expr.h (rethrow_libfunc): New library decl.
1341 * optabs.c (rethrow_libfunc): Initialize.
1343 * except.h (struct eh_entry): Add new field 'rethrow_label'.
1344 (new_eh_region_entry): No longer exported from except.c.
1345 (duplicate_handlers): Renamed to duplicate_eh_handlers and
1346 different prototype.
1347 (rethrow_symbol_map, rethrow_used): New exported functions.
1348 (eh_region_from_symbol): New exported function.
1350 * except.c (create_rethrow_ref): New function to create a single
1351 SYMBOL_REF for a rethrow region.
1352 (push_eh_entry): Initialize a rethrow ref.
1353 (func_eh_entry): Add a rethrow_label field.
1354 (new_eh_region_entry): Make static, and initialize the rethrow entry.
1355 (duplicate_eh_handlers): Create a new region, and remap labels/symbols.
1356 (eh_region_from_symbol): Find an EH region based on its rethrow symbol.
1357 (rethrow_symbol_map): Given a label map, maps a rethrow symbol for
1358 a region into an appropriate new symbol.
1359 (rethrow_used): Indicate whether a rethrow symbol has been referenced.
1360 (expand_eh_region_end): Don't issue jump around code for new-exceptions.
1361 (end_catch_handler): Emit a barrier for new-exceptions since
1362 control can never drop through the end of a catch block.
1363 (expand_end_all_catch): new-exceptions never fall through a catch
1365 (expand_rethrow): use __rethrow routine for new exceptions.
1366 (output_exception_table_entry): Generate rethrow labels, if needed.
1367 (output_exception_table): Generate start and end rethrow labels.
1368 (init_eh): Create rethrow symbols for beginning and end of table.
1369 (scan_region): Don't eliminate EH regions which are the targets of
1372 * flow.c (make_edges): Add different edges for rethrow calls,
1373 identified by having the REG_EH_RETHROW reg label.
1374 (delete_unreachable_blocks): Don't delete regions markers which are
1375 the target of a rethrow.
1377 * integrate.c (save_for_inline_eh_labelmap): New callback routine to
1378 allow save_for_inline_copying to call duplicate_eh_handlers.
1379 (save_for_inline_copying): Call duplicate_eh_handlers instead of
1380 exposing internal details of exception regions.
1381 (copy_for_inline): Check if SYMBOL_REFs need adjustment.
1382 (expand_inline_function_eh_labelmap): New callback routine to
1383 allow expand_inline_function to call duplicate_eh_handlers.
1384 (expand_inline_function): Call duplicate_eh_handlers instead of
1385 exposing internal details of exception regions.
1386 (copy_rtx_and_substitute): Adjust SYMBOL_REFS if SYMBOL_REF_NEED_ADJUST
1389 * libgcc2.c (find_exception_handler): Generalize to enable it to
1390 pick up processing where it left off last time for a rethrow.
1391 (__unwinding_cleanup): New function. debug hook which is called before
1392 unwinding when __throw finds there is nothing but cleanups left.
1393 (throw_helper): Common parts of __throw extracted out for reuse.
1394 (__throw): Common parts moved to throw_helper.
1395 (__rethrow): New function for performing rethrows.
1397 Tue Dec 8 13:11:04 1998 Jeffrey A Law (law@cygnus.com)
1399 * reload1.c (current_function_decl): Tweak declaration.
1401 Tue Dec 8 10:23:52 1998 Richard Henderson <rth@cygnus.com>
1403 * c-decl.c (flag_isoc9x): Default off.
1404 (c_decode_option): Kill -std=gnu, add -std=gnu89 and -std=gnu9x.
1405 * cccp.c (print_help, main): Likewise.
1406 * gcc.c (default_compilers): Update for -std=gnu*.
1408 Tue Dec 8 01:14:46 1998 Jeffrey A Law (law@cygnus.com)
1410 * Makefile.in (DEMANGLE_H): Change location to shared demangle.h.
1411 * demangle.h: Deleted.
1413 * reload1.c (current_function_decl): Declare.
1415 Tue Dec 8 11:58:51 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1417 * cpplib.c (convert_string): Use `0x00ff', not `0x00ffU'.
1419 Tue Dec 8 09:28:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1421 * dbxout.c: If USG is defined use gstab.h, even if HAVE_STAB_H is set.
1423 1998-12-08 Ulrich Drepper <drepper@cygnus.com>
1425 * configure.in: Test for availability of putc_unlocked, fputc_unlocked,
1427 * configure: Rebuilt.
1428 * system.h: If the *_unlocked functions are available use them
1429 instead of the locked counterparts by defining macros.
1430 * config.in: Regenerated.
1432 Tue Dec 8 00:34:05 1998 Mike Stump <mrs@wrs.com>
1434 * i386/bsd.h (ASM_FILE_START): Don't use dump_base_name, it is
1435 wrong and should only be used for dump related things, not
1436 debugging information, instead main_input_filename should be used.
1437 Also, reuse output_file_directive if possible.
1438 * i386/aix386ng.h (ASM_FILE_START): Likewise.
1439 * i386/isc.h (ASM_FILE_START): Likewise.
1440 * i386/win-nt.h (ASM_FILE_START): Likewise.
1441 * i386/sun386.h (ASM_FILE_START): Likewise.
1443 Mon Dec 7 23:56:28 1998 Robert Lipe <robertl@dgii.com>
1445 * configure.in (mips*-*-linux*): Handle big and little endian
1447 * configure: Rebuilt.
1449 Mon Dec 7 23:14:51 1998 Mike Stump <mrs@wrs.com>
1451 * emit-rtl.c: Fix typo.
1453 Mon Dec 7 23:07:38 1998 Nathan Sidwell <nathan@acm.org>
1455 * reload1.c (eliminate_regs): Don't do anything, if we're not
1458 Mon Dec 7 15:27:09 1998 DJ Delorie <dj@cygnus.com>
1460 * mips/mips.h (ENCODE_SECTION_INFO): Handle TARGET_EMBEDDED_DATA.
1462 * mips/mips.c (mips_select_section): Add comment.
1464 Mon Dec 7 17:55:06 1998 Mike Stump <mrs@wrs.com>
1466 * cccp.c (ignore_escape_flag): Add support for \ as `natural'
1467 characters in file names in #line to be consistent with #include
1468 handling. We support escape prcessing in the # 1 "..." version of
1469 the command. See also support in cp/lex.c.
1470 (handle_directive): Likewise.
1471 (do_line): Likewise.
1473 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1475 * cpplib.c (initialize_char_syntax): Use ISALPHA and ISALNUM
1476 so it'll work on non-ASCII platforms. Always consider $ an
1477 identifier character. Take no arguments.
1478 (cpp_reader_init): Call initialize_char_syntax with no
1480 (cpp_start_read): Don't call initialize_char_syntax again.
1481 Clear is_idchar['$'] and is_idstart['$'] if not
1482 opts->dollars_in_ident.
1484 * cpplib.h (struct cpp_reader): Replace void *data element by
1485 cpp_options *opts. Rearrange elements to make gdb printout
1486 less annoying (put buffer stack at end).
1487 (CPP_OPTIONS): Get rid of now-unnecessary cast.
1489 * cppmain.c: s/data/opts/ when initializing cpp_reader
1491 * c-decl.c: Likewise.
1492 * objc/objc-act.c: Likewise.
1493 * fix-header.c: Likewise.
1495 1998-12-07 Zack Weinberg <zack@rabi.phys.columbia.edu>
1497 * cpplib.h (struct cpp_buffer): Replace dir and dlen members
1498 with a struct file_name_list pointer.
1499 (struct cpp_reader): Add pointer to chain of `actual
1500 directory' include searchpath entries.
1501 (struct file_name_list): Add *alloc pointer for the sake of
1502 the actual-directory chain.
1504 Move definition of HOST_WIDE_INT here.
1505 (cpp_parse_escape): Change prototype to match changes in
1508 * cppfiles.c (actual_directory): New function.
1509 (finclude): Use it to initialize the buffer's actual_dir
1511 (find_include_file): We don't need to fix up max_include_len
1514 * cpplib.c (do_include): Don't allocate a file_name_list on
1515 the fly for current directory "" includes, use the one that's
1516 been preallocated in pfile->buffer->actual_dir. Hoist out
1517 duplicate code from the search_start selection logic.
1518 (cpp_reader_init): Initialize pfile->actual_dirs.
1520 Remove definition of HOST_WIDE_INT. Change calls
1521 to cpp_parse_escape to match changes in cppexp.c (note
1522 hardcoded MASK, which is safe since this is the source
1525 * cppexp.c: Bring over changes to cpp_parse_escape from cccp.c
1526 to handle wide character constants in #if directives. The
1527 function now returns a HOST_WIDE_INT, and takes a third
1528 argument which is a binary mask for all legal values (0x00ff
1529 for 8-bit `char', 0xffff for 16-bit `wchar_t', etc.) Define
1530 MAX_CHAR_TYPE_MASK and MAX_WCHAR_TYPE_MASK. Change callers of
1531 cpp_parse_escape to match. [Fixes c-torture/execute/widechar-1.c]
1533 Mon Dec 7 15:38:25 1998 Dave Brolley <brolley@cygnus.com>
1535 * gcc.c (default_compilers): Fix typo in USE_CPPLIB spec for cc1.
1537 Mon Dec 7 15:38:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1539 * c-aux-info.c (concat): Wrap function definition in !USE_CPPLIB.
1540 * cppalloc.c: Move function `xcalloc' from cpplib.c to here.
1541 * cpplib.c: Move function `xcalloc' from here to cppalloc.c.
1543 Mon Dec 7 11:30:49 1998 Nick Clifton <nickc@cygnus.com>
1545 * final.c (output_asm_name): Use tabs to seperate comments from
1548 Include instruction lengths (if defined) in output.
1550 Mon Dec 7 10:53:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1552 * loop.c (check_dbra_loop): Fix initial_value and initial_equiv_value
1553 in the loop_info structure.
1555 Mon Dec 7 11:04:40 1998 Catherine Moore <clm@cygnus.com>
1557 * configure.in: (arm*-*-ecos-elf): New target.
1558 * configure: Regenerated.
1559 * config/arm/elf.h (ASM_WEAKEN_LABEL): Define.
1560 * config/arm/ecos-elf.h: New file.
1561 * config/arm/unknown-elf.h (TARGET_VERSION): Check
1564 Mon Dec 7 16:15:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1566 * sh.c (output_far_jump): Emit braf only for TARGET_SH2.
1568 Sun Dec 6 04:19:45 PST 1998 Jeff Law (law@cygnus.com)
1570 * version.c: Bump for snapshot.
1572 Sun Dec 6 05:16:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1574 * loop.c (check_dbra_loop): New argument loop_info. Update fields
1577 Sun Dec 6 03:40:13 PST 1998 Jeff Law (law@cygnus.com)
1579 * version.c: Bump for snapshot.
1581 Sun Dec 6 07:49:29 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1583 * gcc.texi (Bug Reporting): 40Kb is a soft limit, larger
1584 compressed reports are ok and preferred over URLs
1586 Sun Dec 6 07:45:33 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
1588 * invoke.texi (Warning Options): Soften the tone of -pedantic
1590 Sun Dec 6 00:20:44 1998 H.J. Lu (hjl@gnu.org)
1592 * print-rtl.c (print_rtx): Add prototype.
1594 * unroll.c (iteration_info): Make it static.
1596 Sun Dec 6 01:19:46 1998 Richard Henderson <rth@cygnus.com>
1598 * alias.c (memrefs_conflict_p): A second ANDed address
1599 disables the aligned address optimization.
1601 Sat Dec 5 18:48:25 1998 Richard Henderson <rth@cygnus.com>
1603 * alpha.c (alpha_emit_set_const_1): Fix parenthesis error
1606 Sat Dec 5 15:14:52 1998 Jason Merrill <jason@yorick.cygnus.com>
1608 * i960.h (BOOL_TYPE_SIZE): Define.
1610 Sun Dec 6 00:28:16 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1612 * config/c4x/c4x.c (valid_parallel_load_store): Flog functionality
1613 from old valid_parallel_operands_4.
1614 (valid_parallel_operands_4): Check that operands for 4 operand
1615 parallel insns are valid, excluding load/store insns.
1616 * config/c4x/c4x.h (valid_parallel_load_store): Add prototype.
1617 * config/c4x/c4x.md (*movqf_parallel, *movqi_parallel): Use
1618 valid_parallel_load_store instead of valid_parallel_operands_4.
1619 (*absqf2_movqf_clobber, *floatqiqf2_movqf_clobber,
1620 *negqf2_movqf_clobber, *absqi2_movqi_clobber,
1621 *fixqfqi2_movqi_clobber, *negqi2_movqi_clobber,
1622 *notqi_movqi_clobber): Use valid_parallel_operands_4.
1623 (*subqf3_movqf_clobber, *ashlqi3_movqi_clobber,
1624 *ashrqi3_movqi_clobber, *lshrqi3_movqi_clobber,
1625 *subqi3_movqi_clobber): Use valid_parallel_operands_5.
1627 Sat Dec 5 23:52:01 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1629 * config/c4x/c4x.c (iteration_info): Delete extern.
1631 Fri Dec 4 20:15:57 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1633 * tm.texi (SMALL_REGISTER_CLASSES): Make description match reality.
1635 * final.c (cleanup_subreg_operands): Delete some unused code.
1637 * recog.h (MAX_RECOG_ALTERNATIVES): New macro.
1638 (struct insn_alternative): New structure definition.
1639 (recog_op_alt): Declare variable.
1640 (preprocess_constraints): Declare function.
1641 * recog.c (recog_op_alt): New variable.
1642 (extract_insn): Verify number of alternatives is in range.
1643 (preprocess_constraints): New function.
1644 * reg-stack.c: Include recog.h.
1645 (constrain_asm_operands): Delete.
1646 (get_asm_operand_lengths): Delete.
1647 (get_asm_operand_n_inputs): New function.
1648 (record_asm_reg_life): Delete OPERANDS, CONSTRAINTS, N_INPUTS and
1649 N_OUTPUTS args. All callers changed.
1650 Compute number of inputs and outputs here by calling
1651 get_asm_operand_n_inputs.
1652 Instead of constrain_asm_operands, call extract_insn,
1653 constrain_operands and preprocess_constaints. Use information
1654 computed by these functions throughout.
1655 (record_reg_life): Delete code that is unused due to changes in
1656 record_asm_reg_life.
1657 (subst_asm_stack_regs): Delete OPERANDS, OPERAND_LOC, CONSTRAINTS,
1658 N_INPUTS and N_OUTPUTS args. All callers changed.
1659 Similar changes as in record_asm_reg_life.
1660 (subst_stack_regs): Move n_operands declaration into the if statement
1662 Delete code that is unused due to changes in subst_asm_stack_regs.
1663 * stmt.c (expand_asm_operands): Verify number of alternatives is in
1665 * Makefile.in (reg-stack.o): Depend on recog.h.
1667 Fri Dec 4 02:23:24 1998 Jeffrey A Law (law@cygnus.com)
1669 * except.c (set_exception_version_code): Argument is an "int".
1671 Fri Dec 4 01:29:28 1998 Jeffrey A Law (law@cygnus.com)
1673 * configure.in (hppa2*-*-*): Handle like hppa1.1-*-* for now.
1674 * configure: Rebuilt.
1676 Fri Dec 4 01:29:28 1998 Robert Lipe <robertl@dgii.com>
1678 * configure.in (mipsel-*-linux*): New target.
1679 * mips/linux.h: New file, based on other Linux targets.
1681 Thu Dec 3 11:19:50 1998 Mike Stump <mrs@wrs.com>
1683 * gthr-vxworks.h (__ehdtor): Fix memory leak. The delete hook
1684 runs in the context of the deleter, not the deletee, so we must
1685 use taskVarGet to find the correct memory to free.
1686 (__gthread_key_create): Initialize the task
1687 variable subsystem so that the task variable is still active when
1688 the delete hook is run.
1690 1998-12-03 Joseph S. Myers <jsm28@cam.ac.uk>
1692 * pdp11.h: Use optimize_size for space optimizations.
1693 * pdp11.c: Likewise.
1694 * pdp11.md: Likewise.
1696 * pdp11.h (TARGET_40_PLUS): Fix typo.
1698 Thu Dec 3 11:48:32 1998 Jeffrey A Law (law@cygnus.com)
1700 * local-alloc.c (block_alloc): Slightly retune heuristic to widen
1703 Thu Dec 3 22:30:18 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1705 * alias.c (addr_side_effect_eval): New function.
1706 (memrefs_conflict_p): Use it.
1707 * rtl.h (addr_side_effect_eval): Prototype it.
1709 1998-12-02 Joseph S. Myers <jsm28@cam.ac.uk>
1711 * pdp11.md (extendsfdf2): Fix mode mismatch in SET.
1713 Wed Dec 2 11:23:07 1998 Jim Wilson <wilson@cygnus.com>
1715 * reload.c (find_reloads): When force const to memory, put result
1716 in substed_operand not *recog_operand_loc.
1718 1998-12-02 Ulrich Drepper <drepper@cygnus.com>
1720 * c-lex.c: Fix indentation from last patch.
1721 Remove trailing whitespace.
1724 Wed Dec 2 10:11:12 1998 Jeffrey A Law (law@cygnus.com)
1726 * flow.c (delete_block): Call set_last_insn after we have reset
1727 NEXT_INSN (kept_tail).
1729 Wed Dec 2 00:47:31 1998 Jeffrey A Law (law@cygnus.com)
1731 * mips.md (trap_if): Use "$0" for the value zero.
1733 Tue Dec 1 20:49:49 1998 Ulrich Drepper <drepper@cygnus.com>
1734 Stephen L Moshier <moshier@world.std.com>
1735 Richard Henderson <rth@cygnus.com>
1737 * c-common.c (declare_function_name): Declare predefinied variable
1740 * c-decl.c (flag_isoc9x): Set to 1 by default.
1741 (c_decode_option): Handle -std= option. Remove -flang-isoc9x.
1742 (grokdeclarator): Always emit warning about implicit int for ISO C 9x.
1744 * c-parse.in: Allow constructors in ISO C 9x.
1745 Rewrite designator list handling.
1746 Allow [*] parameters.
1747 Don't warn about comma at end of enum definition for ISO C 9x.
1749 * cccp.c (c9x): New variable.
1750 (rest_extension): New variable.
1751 (print_help): Document new -std= option.
1752 (main): Recognize -std= option. Set c9x appropriately.
1753 (create_definition): Recognize ISO C 9x vararg macros.
1755 * gcc.c (default_compilers): Adjust specs for -std options.
1756 (option_map): Add --std.
1757 (display_help): Document -std.
1759 * toplev.c (documented_lang_options): Add -std and remove
1762 * c-lex.c (yylex): Recognize hex FP constants and call REAL_VALUE_ATOF
1763 or REAL_VALUE_HTOF based on base of the constants.
1764 * fold-const.c (real_hex_to_f): New function. Replacement function
1765 for hex FP conversion if REAL_ARITHMETIC is not defined.
1766 * real.c (asctoeg): Add handling of hex FP constants.
1767 * real.h: Define REAL_VALUE_HTOF if necessary using ereal_atof or
1770 Tue Dec 1 16:45:49 1998 Stan Cox <scox@cygnus.com>
1772 * mips.md (divmodsi4*, divmoddi4*, udivmodsi4*, udivmoddi4): Add
1773 -mcheck-range-division/-mcheck-zero-division checking. Avoid as macro
1774 expansion. Use hi/lo as destination register.
1776 (divsi3*, divdi3*, modsi3*, moddi3*, udivsi3*, udivdi3*, umodsi3*,
1777 umoddi3*): Add -mcheck-range-division/-mcheck-zero-division checking.
1778 Avoid as macro expansion. Use hi/lo as destination register.
1780 * mips.h (MASK_CHECK_RANGE_DIV): New.
1781 (MASK_NO_CHECK_ZERO_DIV): New.
1782 (ELIMINABLE_REGS): Added GP_REG_FIRST + 31.
1783 (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): Allow for getting
1784 return address for leaf functions out of r31 to support
1785 builtin_return_address.
1787 Tue Dec 1 15:03:30 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1789 * jump.c (jump_optimize): Call regs_set_between_p with PREV_INSN(x),
1790 NEXT_INSN(x) to check insn x.
1792 Tue Dec 1 15:20:44 1998 Jeffrey A Law (law@cygnus.com)
1794 * flow.c (delete_block): Call set_last_insn if we end up deleting the
1795 last insn in the rtl chain.
1797 * reload1.c (reload): Do not set reload_completed or split insns
1799 * toplev.c (rest_of_compilation): Set reload_completed after
1800 reload returns. Split insns after reload_cse has run.
1802 Tue Dec 1 11:55:04 1998 Richard Henderson <rth@cygnus.com>
1804 * final.c (final_scan_insn): Abort if block_depth falls below 0.
1806 Tue Dec 1 10:23:16 1998 Nick Clifton <nickc@cygnus.com>
1808 * config/arm/t-arm-elf (LIBGCC2_CFLAGS): Define inhibit_libc.
1810 Tue Dec 1 10:22:18 1998 Nick Clifton <nickc@cygnus.com>
1812 * config/arm/unknown-elf.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove
1813 use of user-label_prefix.
1815 Tue Dec 1 17:58:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1817 * reload1.c (emit_reload_insns): Clear spill_reg_store
1818 when doing a new non-inherited reload from the same pseudo.
1820 * local-alloc.c (function_invariant_p): New function.
1821 (update_equiv_regs): Use function_invariant_p instead of CONSTANT_P
1822 to decide if an equivalence should be recorded.
1823 * reload1.c (num_eliminable_invariants): New static variable.
1824 (reload): Set it. Use function_invariant_p instead of CONSTANT_P
1825 to decide if an equivalence should be recorded.
1827 (calculate_needs_all_insns): Skip insns that only set an equivalence.
1828 Take num_eliminable_invariants into account when deciding
1829 if register elimination should be done.
1830 (reload_as_needed): Take num_eliminable_invariants into account
1831 when deciding if register elimination should be done.
1832 (eliminate_regs): Handle non-constant reg_equiv_constant.
1833 * rtl.h (function_invariant_p): Declare.
1835 Mon Nov 30 02:00:08 PST 1998 Jeff Law (law@cygnus.com)
1837 * version.c: Bump for snapshot.
1839 Mon Nov 30 00:42:59 PST 1998 Jeff Law (law@cygnus.com)
1841 * version.c: Bump for snapshot.
1843 Sun Nov 29 22:59:40 1998 Jason Merrill <jason@yorick.cygnus.com>
1845 * except.c (add_new_handler): Complain about additional handlers
1846 after one that catches everything.
1848 Sat Nov 28 10:56:32 1998 Jeffrey A Law (law@cygnus.com)
1850 * configure.in (alpha*-*-netbsd): Fix typo.
1851 * configure: Rebuilt.
1853 Fri Nov 27 12:28:56 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1855 * system.h: Include libiberty.h.
1857 * c-aux-info.c: Remove prototypes for concat/concat3. Change
1858 function `concat' from fixed parameters to variable parameters,
1859 as is done in libiberty. All callers of concat/concat3
1860 changed to use the new `concat' with variable args.
1862 * cccp.c: Remove things made redundant by libiberty.h and/or
1863 conform to libiberty standards.
1865 * collect2.c: Likewise.
1866 * config/1750a/1750a.h: Likewise.
1867 * cppalloc.c: Likewise.
1868 * cppexp.c: Likewise.
1869 * cppfiles.c: Likewise.
1870 * cpphash.c: Likewise.
1871 * cpplib.c: Likewise.
1872 * dyn-string.c: Likewise.
1873 * fix-header.c: Likewise.
1876 * genattr.c: Likewise.
1877 * genattrtab.c: Likewise.
1878 * gencheck.c: Likewise.
1879 * gencodes.c: Likewise.
1880 * genconfig.c: Likewise.
1881 * genemit.c: Likewise.
1882 * genextract.c: Likewise.
1883 * genflags.c: Likewise.
1884 * gengenrtl.c: Likewise.
1885 * genopinit.c: Likewise.
1886 * genoutput.c: Likewise.
1887 * genpeep.c: Likewise.
1888 * genrecog.c: Likewise.
1889 * getpwd.c: Likewise.
1890 * halfpic.c: Likewise.
1892 * mips-tdump.c: Likewise. Wrap malloc/realloc/calloc prototypes
1893 in NEED_DECLARATION_* macros.
1895 * mips-tfile.c: Remove things made redundant by libiberty.h and/or
1896 conform to libiberty standards.
1897 (fatal): Fix const-ification of variable `format' in
1898 !ANSI_PROTOTYPES case.
1900 * prefix.c: Remove things made redundant by libiberty.h and/or
1901 conform to libiberty standards.
1903 * print-rtl.c: Rename variable `spaces' to `xspaces' to avoid
1904 conflicting with function `spaces' from libiberty.
1906 * profile.c: Remove things made redundant by libiberty.h and/or
1907 conform to libiberty standards.
1908 * protoize.c: Likewise.
1911 * tlink.c: Likewise.
1912 * toplev.c: Likewise.
1913 * toplev.h: Likewise.
1916 Thu Nov 26 08:38:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1918 * cppfiles.c (simplify_pathname): Un-ANSI-fy function definition.
1920 Thu Nov 26 23:45:37 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1922 * README.C4X: Updated URLs.
1923 * config/c4x/c4x.c (c4x_address_conflict): Fix typo.
1924 (valid_parallel_operands_5): Remove unused variable.
1926 Thu Nov 26 23:40:03 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1928 * config/c4x/c4x.h (TARGET_DEFAULT): Fix typo.
1930 1998-11-26 Manfred Hollstein <manfred@s-direktnet.de>
1932 * Makefile.in (CONFIG_LANGUAGES): New macro taking all languages
1933 which can be configured.
1934 (LANGUAGES): Use $(CONFIG_LANGUAGES) instead of @all_languages@
1935 (Makefile): Pass actual LANGUAGES through the environment when
1937 (cstamp-h): Likewise.
1938 (config.status): Likewise.
1940 * configure.in (enable_languages): Add new configuration parameter
1941 "--enable-languages=lang1,lang2,...".
1942 (${srcdir}/*/config-lang.in): Change handling to configure only
1943 those directories, that the user might have enabled; default to
1944 "all" existing languages.
1945 * configure: Regenerate.
1947 Thu Nov 26 00:19:19 1998 Richard Henderson <rth@cygnus.com>
1949 * rtlanal.c (regs_set_between_p): New function.
1950 * rtl.h (regs_set_between_p): Prototype it.
1951 * jump.c (jump_optimize): Use it instead of modified_between_p
1952 in the Sep 2 change.
1954 Wed Nov 25 23:32:02 1998 Ian Dall <Ian.Dall@dsto.defence.gov.au>
1955 Matthias Pfaller <leo@dachau.marco.de>
1957 * invoke.texi (Option Summary, NS32K Options): add description
1958 of NS32K specific options.
1960 * ns32k.md (tstdf, cmpdf, movdf, truncdfsf2, fixdfqi2, fixdfhi2,
1961 fixdfsi2, fixunsdfqi2, fixunsdfhi2, fixunsdfsi2, fix_truncdfqi2,
1962 fix_truncdfhi2, fix_truncdfsi2, adddf3, subdf3, muldf3, divdf3,
1963 negdf2, absdf2): Use l instead of f since the double class and
1964 float class are no longer the same.
1965 (cmpsi, truncsiqi2, truncsihi2, addsi3, subsi3, mulsi3, umulsidi3,
1966 divsi3, modsi3, andsi3, iorsi3, xorsi3, negsi2, one_cmplsi2,
1967 ashlsi3, ashlhi3, ashlqi3, rotlsi3, rotlhi3, rotlqi3, abssi2,...):
1968 use "g" instead of "rmn" since LEGITIMATE_PIC_OPERAND has been
1970 (cmpsi, cmphi, cmpqi): use general_operand instead of
1971 non_immediate_operand. Removes erroneous assumption that can't
1973 (movsf, movsi, movhi, movqi,...): New register numbering scheme.
1974 (movsi, addsi3): Use NS32K_DISPLACEMENT_P instead of hard coded
1976 (movstrsi, movstrsi1, movstrsi2): completely new block move
1978 (...): Patterns to exploit multiply-add instructions.
1979 (udivmodsi4, udivmodsi_internal4, udivmodhi4,
1980 udivmoddihi4_internal, udivmodqi4, udivmoddiqi4_internal): new
1981 patterns to exploit extended divide insns.
1982 (udivsi3, udivhi3, udivqi3): remove since superceded by udivmodsi
1985 * ns32k.h (FUNCTION_VALUE, LIBCALL_VALUE): Use f0 for complex
1986 float return values as well as simple scalar floats.
1987 (TARGET_32381, TARGET_MULT_ADD, TARGET_SWITCHES):
1988 support new flag to denote 32381 fpu.
1989 (OVERRIDE_OPTIONS): 32381 is a strict superset of 32081.
1990 (CONDITIONAL_REGISTER_USAGE): disable extra 32381 registers if not
1992 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1993 REGISTER_NAMES, ADDITIONAL_REGISTER_NAMES, OUTPUT_REGISTER_NAMES,
1994 REG_ALLOC_ORDER, DBX_REGISTER_NUMBER, R0_REGNUM, F0_REGNUM,
1995 L1_REGNUM, STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
1996 LONG_FP_REGS_P, ARG_POINTER_REGNUM, reg_class, REG_CLASS_NAMES,
1997 REG_CLASS_CONTENTS, SUBSET_P,REGNO_REG_CLASS,
1998 REG_CLASS_FROM_LETTER, FUNCTION_PROLOGUE, FUNCTION_EPILOGUE,
1999 REGNO_OK_FOR_INDEX_P, FP_REG_P, REG_OK_FOR_INDEX_P,
2000 REG_OK_FOR_BASE_P, MEM_REG): new register scheme to include 32381
2001 fpu registers and special register classes for new 32381
2002 instructions dotf and polyf.
2003 (MODES_TIEABLE_P): Allow all integer modes, notably DI and SI, to
2005 (INCOMING_RETURN_ADDR_RTX, RETURN_ADDR_RTX,
2006 INCOMING_FRAME_SP_OFFSET): New macros in case DWARF support is
2008 (SMALL_REGISTER_CLASSES): Make dependant on -mmult-add option.
2009 (MOVE_RATIO): Set to zero because of smart movstrsi implimentation.
2010 (REGISTER_MOVE_COST): move code to register_move_cost function for
2011 ease of coding and debugging.
2012 (CLASS_LIKELY_SPILLED_P): Under new register scheme class
2013 LONG_FLOAT_REGO is likely spilled but not caught by default
2015 (CONSTANT_ADDRESS_P, CONSTANT_ADDRESS_NO_LABEL_P): use macro
2016 instead of hard coded numbers in range check.
2017 (ASM_OUTPUT_LABELREF_AS_INT): delete since unused.
2018 (...): Add prototypes for functions in ns32k.c but disable because
2019 of problems when ns32k.h is included in machine independant files.
2021 * ns32k.c: include "system.h", "tree.h", "expr.h", "flags.h".
2022 (ns32k_reg_class_contents, regcass_map, ns32k_out_reg_names,
2023 hard_regno_mode_ok, secondary_reload_class,
2024 print_operand, print_operand_address): new register scheme to
2025 include 32381 fpu registers and special register classes for new
2026 32381 instructions dotf and polyf.
2027 (gen_indexed_expr): Make static to keep namespace clean.
2028 (check_reg): remove since never called.
2029 (move_tail, expand_block_move): helper functions for "movstrsi"
2031 (register_move_cost): Helper function for REGISTER_MOVE_COST macro.
2032 Increase cost of moves which go via memory.
2033 * netbsd.h (TARGET_DEFAULT): Set (new) 32381 fpu flag.
2034 (CPP_PREDEFINES): nolonger predefine "unix".
2036 * ns32k.md (movsi, movsi, adddi3, subdi3, subsi3, subhi3, subqi3,...):
2037 Remove erroneous %$. print_operand() can work out from the rtx is
2038 an immediate prefix is required.
2040 * ns32k.h (RETURN_POPS_ARGS, VALID_MACHINE_DECL_ATTRIBUTE,
2041 VALID_MACHINE_TYPE_ATTRIBUTE, COMP_TYPE_ATTRIBUTES,
2042 SET_DEFAULT_TYPE_ATTRIBUTES): Support for -mrtd calling
2044 (LEGITIMATE_PIC_OPERAND_P, SYMBOLIC_CONST): Correct handling of
2047 * ns32k.c (symbolic_reference_mentioned_p, print_operand):
2048 Correct handling of pic operands.
2049 (ns32k_valid_decl_attribute_p, ns32k_valid_type_attribute_p,
2050 ns32k_comp_type_attributes, ns32k_return_pops_args): Support for
2051 -mrtd calling convention.
2053 Wed Nov 25 23:42:20 1998 Tom Tromey <tromey@cygnus.com>
2055 * gcc.c (option_map): Recognize --output-class-directory.
2057 Thu Nov 26 18:26:21 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2059 * loop.h (precondition_loop_p): Added new mode argument.
2060 * unroll.c (precondition_loop_p): Likewise.
2061 (approx_final_value): Function deleted and subsumed
2062 into loop_iterations.
2063 (loop_find_equiv_value): New function.
2064 (loop_iterations): Use loop_find_equiv_value to find increments
2065 too large to be immediate constants. Also use it to find terms
2066 common to initial and final iteration values that can be removed.
2068 Thu Nov 26 18:05:04 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2070 * loop.h (struct loop_info): Define new structure.
2071 (precondition_loop_p): Added prototype.
2072 (unroll_loop): Added new argument loop_info to prototype.
2073 (final_biv_value, final_giv_value): Added new argument n_iterations
2075 * loop.c (strength_reduce): Declare new structure loop_iteration_info
2076 and new pointer loop_info.
2077 (loop_n_iterations): Replace global variable by element in
2078 loop_info structure.
2079 (check_final_value): New argument n_iterations.
2080 (insert_bct): New argument loop_info.
2081 (loop_unroll_factor): Replace global array by element in
2082 loop_info structure.
2083 (loop_optimize): Remove code to allocate and initialise
2084 loop_unroll_factor_array.
2085 * unroll.c (precondition_loop_p): No longer static since
2086 used by branch on count optimization.
2087 (precondition_loop_p, unroll_loop): New argument loop_info.
2088 (final_biv_value, final_giv_value, find_splittable_regs): New
2089 argument n_iterations.
2090 (loop_iteration_var, loop_initial_value, loop_increment,
2091 loop_final_value, loop_comparison_code, loop_unroll_factor):
2092 Replaced global variables by loop_info structure.
2093 (loop_unroll_factor): Replace global array by element in
2094 loop_info structure.
2096 Thu Nov 26 17:49:29 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2098 * loop.c (check_dbra_loop): Update JUMP_LABEL field of jump insn
2101 * unroll.c (precondition_loop_p): Return loop_initial_value
2102 for initial_value instead of loop_iteration_var.
2104 Thu Nov 26 17:15:38 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2106 * config/c4x/c4x.md: Fix minor formatting problems. Update docs.
2107 (*b, *b_rev, *b_noov, *b_noov_rev, *db,
2108 decrement_and_branch_until_zero, rptb_end): Use c4x_output_cbranch
2109 to output the instruction sequences.
2111 (rptb_top): Provide alternatives to use any register or memory
2113 (rptb_end): Emit use of operands rather than assigning them
2114 explicitly to the RS and RE registers.
2116 Thu Nov 26 16:37:59 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2118 * config/c4x/c4x.c (c4x_modified_between_p, c4x_mem_set_p,
2119 c4x_mem_set_p, c4x_mem_modified_between_p, c4x_insn_moveable_p,
2120 c4x_parallel_pack, c4x_parallel_find, c4x_update_info_reg,
2121 c4x_update_info_regs, c4x_copy_insn_after, c4x_copy_insns_after,
2122 c4x_merge_notes, c4x_parallel_process,
2123 c4x_combine_parallel_independent, c4x_combine_parallel_dependent,
2124 c4x_combine_parallel): Delete.
2126 Thu Nov 26 15:16:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2128 * config/c4x/c4x.c: (c4x_override_options): For compatibility
2129 with old target options clear flag_branch_on_count_reg if
2130 -mno-rptb specified and set flag_argument_alias is -mno-aliases
2132 (c4x_output_cbranch): Handle a sequence of insns rather than a
2134 (c4x_rptb_insert): Do not emit a RPTB insn if the RC register
2135 has not been allocated as the loop counter.
2136 (c4x_address_conflict): Do not allow two volatile memory references.
2137 (valid_parallel_operands_4, valid_parallel_operands_5,
2138 valid_parallel_operands_6): Reject pattern if the register destination
2139 of the first set is used as part of an address in the second set.
2141 Thu Nov 26 14:56:32 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2143 * config/c4x/c4x.h (TARGET_DEFAULT): Add PARALEL_MPY_FLAG.
2144 (TARGET_SMALL_REG_CLASS): Set to 0 so that SMALL_REGISTER_CLASSES
2145 is no longer enabled if PARALLEL_MPY_FLAG set.
2146 (HARD_REGNO_CALL_CLOBBERED): Add parentheses to remove ambiguity.
2147 (REG_CLASS_CONTENTS): Add braces around initializers.
2148 (HAVE_MULTIPLE_PACK): Define.
2149 (ASM_OUTPUT_BYTE_FLOAT): Use %lf format specifier with
2150 REAL_VALUE_TO_DECIMAL.
2151 (ASM_OUTPUT_SHORT_FLOAT): Use %lf format specifier with
2152 REAL_VALUE_TO_DECIMAL.
2153 (ar0_reg_operand): Add prototype.
2154 (ar0_mem_operand): Likewise.
2155 (ar1_reg_operand): Likewise.
2156 (ar1_mem_operand): Likewise.
2157 (ar2_reg_operand): Likewise.
2158 (ar2_mem_operand): Likewise.
2159 (ar3_reg_operand): Likewise.
2160 (ar3_mem_operand): Likewise.
2161 (ar4_reg_operand): Likewise.
2162 (ar4_mem_operand): Likewise.
2163 (ar5_reg_operand): Likewise.
2164 (ar5_mem_operand): Likewise.
2165 (ar6_reg_operand): Likewise.
2166 (ar6_mem_operand): Likewise.
2167 (ar7_reg_operand): Likewise.
2168 (ar7_mem_operand): Likewise.
2169 (ir0_reg_operand): Likewise.
2170 (ir0_mem_operand): Likewise.
2171 (ir1_reg_operand): Likewise.
2172 (ir1_mem_operand): Likewise.
2173 (group1_reg_operand): Likewise.
2174 (group1_mem_operand): Likewise.
2175 (ir1_reg_operand): Likewise.
2176 (arx_reg_operand): Likewise.
2177 (not_rc_reg): Likewise.
2178 (not_modify_reg): Likewise.
2179 (c4x_group1_reg_operand): Remove prototype.
2180 (c4x_group1_mem_operand): Likewise.
2181 (c4x_arx_reg_operand): Likewise.
2183 Wed Nov 25 19:02:55 1998 (Stephen L Moshier) <moshier@world.std.com>
2185 * emit-rtl.c (gen_lowpart_common): Remove earlier change.
2186 * real.c (make_nan): Make SIGN arg actually specify the sign bit.
2188 Thu Nov 26 14:12:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2190 * config/c4x/c4x.md (addqi3): Emit addqi3_noclobber pattern
2193 Wed Nov 25 22:05:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2195 * config/sh/lib1funcs.asm (___udivsi3_i4): Don't switch to sz == 1
2196 unless FMOVD_WORKS is defined.
2198 Wed Nov 25 20:11:04 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2200 * regclass.c (init_reg_sets): Move code that calculates tables
2201 dependent on reg_class_contents from here...
2202 (init_reg_sets_1): To here.
2204 Wed Nov 25 14:54:46 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
2206 * cpplib.h: Delete struct import_file. Add ihash element to
2207 struct cpp_buffer. Delete dont_repeat_files and
2208 import_hash_table elements from cpp_reader; change
2209 all_include_files to a hash table. Delete all foobar_include
2210 / last_foobar_include elements from struct cpp_options; put
2211 back four such: quote_include, bracket_include,
2212 system_include, after_include. Redo struct file_name_list
2213 completely. Add new structure type include_hash. Add
2214 prototypes for merge_include_chains and include_hash. Change
2215 prototypes for finclude, find_include_file, and
2216 append_include_chain to match changes below.
2218 * cppfiles.c (simplify_pathname, include_hash,
2219 remap_filename, merge_include_chains): New functions.
2220 (add_import, lookup_import, open_include_file): Removed.
2221 (INO_T_EQ): Define this (copied from cccp.c).
2222 (hack_vms_include_specification): Remove all calls and #if 0
2223 out the definition. It was being called incorrectly and at
2224 the wrong times. Until a VMSie can look at this, it's better
2225 to not pretend to support it.
2226 (append_include_chain): Change calling convention; now takes
2227 only one directory at a time, and sets up the data structure
2229 (redundant_include_p): Rewritten - this is now used for all
2230 include redundancy, whether by #ifndef, #import, or #pragma
2231 once. Looks up things in the include hash table.
2232 (file_cleanup): Decrement pfile->system_include_depth here if
2234 (find_include_file): Calling convention changed; now passes
2235 around a struct include_hash instead of 3 separate parameters.
2236 Guts ripped out and replaced with new include_hash mechanism.
2237 (finclude): Calling convention changed as for
2238 find_include_file. Error exits pulled out-of-line. Reformat.
2239 (safe_read): Return a long, not an int.
2240 (deps_output): Don't recurse.
2242 * cpplib.c (is_system_include): Deleted.
2243 (path_include): Fix up call to append_include_chain.
2244 (do_include): Fix up calls to find_include_file and finclude.
2245 Clean up dependency output a bit. Shorten obnoxiously lengthy
2246 #import warning message. Don't decrement
2247 pfile->system_include_depth here.
2248 (do_pragma): Understand the include_hash structure. Reformat.
2249 (do_endif): Correct handling of control macros. Understand
2251 (cpp_start_read): Fix up calls to finclude. Call
2252 merge_include_chains.
2253 (cpp_handle_option): Fix up calls to append_include_chain.
2254 Understand the four partial include chains.
2255 (cpp_finish): Add debugging code (#if 0-ed out) for the
2257 (cpp_cleanup): Free the include_hash, not the import hash and
2258 the all_include and dont_repeat lists which no longer exist.
2260 Wed Nov 25 11:26:19 1998 Jeffrey A Law (law@cygnus.com)
2262 * toplev.c (no_new_pseudos): Define.
2263 (rest_of_compilation): Set no_new_pseudos as needed.
2264 * emit-rtl.c (gen_reg_rtx): Abort if we try to create a new pseudo
2265 if no_new_pseudos is set.
2266 * rtl.h (no_new_pseudos): Declare it.
2267 * reload1.c (reload): Update comments.
2268 * md.texi: Corresponding changes.
2270 Wed Nov 25 11:26:17 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2272 * reload1.c (reg_used_in_insn): Renamed from reg_used_by_pseudo.
2273 (choose_reload_regs): Rename it here as well. When computing it,
2274 also merge in used hardregs.
2276 1998-11-25 07:51 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
2278 * gcc.c: Split out Objective-C specs to...
2279 * objc/lang-specs.h: here. (New file.) Make the specs cpplib
2282 * c-lex.c (init_parse): Always initialize the filename global.
2283 * objc/objc-act.c (lang_init): Always call check_newline at
2286 Wed Nov 25 00:48:29 1998 Graham <grahams@rcp.co.uk>
2288 * reload1.c (reload): Remove unused variable.
2289 (reload_reg_free_for_value_p): Add missing parameter definition.
2291 * jump.c (jump_optimize): Remove unused variable.
2293 Wed Nov 25 00:07:11 1998 Jeffrey A Law (law@cygnus.com)
2295 * Makefile.in (graph.o): Depend on $(RTL_H), not rtl.h.
2297 * cse.c (fold_rtx): Make autoincrement addressing mode tests be
2299 * expr.c (move_by_pieces): Similarly.
2300 (move_by_pieces_1, clear_by_pieces, clear_by_pieces_1): Similarly.
2301 * flow.c (find_auto_inc): Similarly.
2302 (try_pre_increment): Similarly.
2303 * loop.c (strength_reduce): Similarly.
2304 * regclass.c (auto_inc_dec_reg_p): Similarly.
2305 * regmove.c (try_auto_increment): Similarly.
2306 (fixup_match_1): Similarly.
2307 * rtl.h (HAVE_PRE_INCREMENT): Define if not already defined.
2308 (HAVE_PRE_DECREMENT): Similarly.
2309 (HAVE_POST_INCREMENT, HAVE_POST_DECREMENT): Similarly.
2310 * Corresponding changes to all target header files.
2311 * tm.texi: Update docs for autoinc addressing modes.
2313 Tue Nov 24 20:24:59 1998 Jim Wilson <wilson@cygnus.com>
2315 * configure.in (m68020-*-elf*, m68k-*-elf*): New targets.
2316 * configure: Rebuild.
2317 * config/elfos.h: New file.
2318 * config/m68k/m68020-elf.h, config/m68k/m68kelf.h,
2319 config/m68k/t-m68kelf: New file.
2321 Tue Nov 24 13:40:06 1998 Jeffrey A Law (law@cygnus.com)
2323 * Makefile.in (HOST_AR): Define.
2324 (HOST_AR_FLAGS, HOST_RANLIB, HOST_RANLIB_TEST): Similarly.
2325 (libcpp.a): Use the host tools explicitly.
2326 (STAGESTUFF): Add libcpp.a.
2328 Tue Nov 24 09:33:49 1998 Nick Clifton <nickc@cygnus.com>
2330 * config/m32r/m32r.md (movstrsi_internal): Describe changes made
2331 to source and destination registers.
2333 Mon Nov 23 20:28:02 1998 Mike Stump <mrs@wrs.com>
2335 * libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
2336 The strategy we now use is to pre allocate the top_elt along
2337 with the EH context so that each thread has its own top_elt.
2338 This is necessary as the dynmanic cleanup chain is used on the
2339 top element of the stack and each thread MUST have its own.
2340 (eh_context_static): Likewise.
2341 (new_eh_context): Likewise.
2342 (__sjthrow): Likewise.
2344 Mon Nov 23 20:25:03 1998 Jason Merrill <jason@yorick.cygnus.com>
2346 * i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Wrap in do...while.
2347 * i386.md (prologue_get_pc): Remove unused variable.
2349 Mon Nov 23 17:05:40 1998 Geoffrey Noer <noer@cygnus.com>
2351 * i386/xm-cygwin.h: Rename cygwin_ path funcs back to cygwin32_.
2353 Mon Nov 23 16:40:00 1998 Ulrich Drepper <drepper@cygnus.com>
2355 * Makefile.in (OBJS): Add graph.o
2356 (graph.o): New dependency list.
2357 * flags.h: Declare dump_for_graph and define graph_dump_types type.
2358 * print-rtl.c (dump_for_graph): Define new variable.
2359 (print_rtx): Rewrite to allow use in graph dumping functions.
2360 * toplev.c: Declare print_rtl_graph_with_bb, clean_graph_dump_file,
2361 finish_graph_dump_file.
2362 Define graph_dump_format.
2363 (compile_file): If graph dumping is enabled also clear these files.
2364 Finish graph dump files.
2365 (rest_of_compilation): Also dump graph information if enabled.
2366 (main): Recognize -dv to enabled VCG based graph dumping.
2367 * graph.c: New file. Graph dumping functions.
2369 Mon Nov 23 16:39:04 1998 Richard Henderson <rth@cygnus.com>
2371 * configure.in: Look for <sys/stat.h>.
2372 * system.h: Include it before substitute S_ISREG definitions.
2374 Mon Nov 23 17:40:37 1998 Gavin Romig-Koch <gavin@cygnus.com>
2376 * config/mips/abi.h: Use ABI_O64, duplicating ABI_32 usage.
2377 * config/mips/iris6.h: Same.
2378 * config/mips/mips.md: Same.
2379 * config/mips/mips.c: Same; also add "-mabi=o64" option.
2380 * config/mips/mips.h: Same; also define ABI_O64.
2382 Mon Nov 23 17:02:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2384 * configure.in: Use AC_PREREQ(2.12.1).
2386 Mon Nov 23 10:16:38 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
2388 * cccp.c (S_ISREG, S_ISDIR): Delete defines.
2389 * cpplib.c, gcc.c: Likewise.
2390 * system.h (S_ISREG, S_ISDIR): Define if not already defined.
2392 Mon Nov 23 09:53:44 1998 Richard Henderson <rth@cygnus.com>
2394 * local-alloc.c (local_alloc): Use malloc not alloca for
2395 reg_qty, reg_offset, ref_next_in_qty.
2397 Mon Nov 23 16:46:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2399 * caller-save.c (insert_one_insn): Initialize the live_before and
2400 live_after register sets.
2404 * config/sh/lib1funcs.asm (___movstr_i4_even, ___movstr_i4_odd): Define.
2405 (___movstrSI12_i4, ___sdivsi3_i4, ___udivsi3_i4): Define.
2406 * sh.c (reg_class_from_letter, regno_reg_class): Add DF_REGS.
2407 (fp_reg_names, assembler_dialect): New variables.
2408 (print_operand_address): Handle SUBREGs.
2409 (print_operand): Added 'o' case.
2410 Don't use adj_offsettable_operand on PRE_DEC / POST_INC.
2411 Name of FP registers depends on mode.
2412 (expand_block_move): Emit different code for SH4 hardware.
2413 (prepare_scc_operands): Use emit_sf_insn / emit_df_insn as appropriate.
2414 (from_compare): Likewise.
2415 (add_constant): New argument last_value. Changed all callers.
2416 (find_barrier): Don't try HImode load for FPUL_REG.
2417 (machine_dependent_reorg): Likewise.
2418 (sfunc_uses_reg): A CLOBBER cannot be the address register use.
2419 (gen_far_branch): Emit a barrier after the new jump.
2420 (barrier_align): Don't trust instruction lengths before
2422 (machine_dependent_reorg): Add support for FIRST_XD_REG .. LAST_XD_REG.
2423 Use auto-inc addressing for fp registers if doubles need to
2424 be loaded in two steps.
2425 Set sh_flag_remove_dead_before_cse.
2426 (push): Support for TARGET_FMOVD. Use gen_push_fpul for fpul.
2427 (pop): Support for TARGET_FMOVD. Use gen_pop_fpul for fpul.
2428 (calc_live_regs): Support for TARGET_FMOVD. Don't save FPSCR.
2429 Support for FIRST_XD_REG .. LAST_XD_REG.
2430 (sh_expand_prologue): Support for FIRST_XD_REG .. LAST_XD_REG.
2431 (sh_expand_epilogue): Likewise.
2432 (sh_builtin_saveregs): Use DFmode moves for fp regs on SH4.
2433 (initial_elimination_offset): Take TARGET_ALIGN_DOUBLE into account.
2434 (arith_reg_operand): FPUL_REG is OK for SH4.
2435 (fp_arith_reg_operand, fp_extended_operand) New functions.
2436 (tertiary_reload_operand, fpscr_operand): Likewise.
2437 (commutative_float_operator, noncommutative_float_operator): Likewise.
2438 (binary_float_operator, get_fpscr_rtx, emit_sf_insn): Likewise.
2439 (emit_df_insn, expand_sf_unop, expand_sf_binop): Likewise.
2440 (expand_df_unop, expand_df_binop, expand_fp_branch): Likewise.
2441 (emit_fpscr_use, mark_use, remove_dead_before_cse): Likewise.
2442 * sh.h (CPP_SPEC): Add support for -m4, m4-single, m4-single-only.
2443 (CONDITIONAL_REGISTER_USAGE): Likewise.
2444 (HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, FMOVD_BIT): Define.
2445 (TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARWARD): Define.
2446 (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH4, TARGET_FMOVD): Define.
2447 (target_flag): Add -m4, m4-single, m4-single-only, -mfmovd.
2448 (OPTIMIZATION_OPTIONS): If optimizing, set flag_omit_frame_pointer
2449 to -1 and sh_flag_remove_dead_before_cse to 1.
2450 (ASSEMBLER_DIALECT): Define to assembler_dialect.
2451 (assembler_dialect, fp_reg_names): Declare.
2452 (OVERRIDE_OPTIONS): Add code for TARGET_SH4.
2453 Hide names of registers that are not accessible.
2454 (CACHE_LOG): Take TARGET_CACHE32 into account.
2455 (LOOP_ALIGN): Take TARGET_HARWARD into account.
2456 (FIRST_XD_REG, LAST_XD_REG, FPSCR_REG): Define.
2457 (FIRST_PSEUDO_REGISTER: Now 49.
2458 (FIXED_REGISTERS, CALL_USED_REGISTERS): Include values for registers.
2459 (HARD_REGNO_NREGS): Special treatment of FIRST_XD_REG .. LAST_XD_REG.
2460 (HARD_REGNO_MODE_OK): Update.
2461 (enum reg_class): Add DF_REGS and FPSCR_REGS.
2462 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REG_ALLOC_ORDER): Likewise.
2463 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Update.
2464 (CLASS_CANNOT_CHANGE_SIZE, DEBUG_REGISTER_NAMES): Define.
2465 (NPARM_REGS): Eight floating point parameter registers on SH4.
2466 (BASE_RETURN_VALUE_REG): SH4 also passes double values
2467 in floating point registers.
2468 (GET_SH_ARG_CLASS) Likewise.
2469 Complex float types are also returned in float registers.
2470 (BASE_ARG_REG): Complex float types are also passes in float registers.
2471 (FUNCTION_VALUE): Change mode like PROMOTE_MODE does.
2472 (LIBCALL_VALUE): Remove trailing semicolon.
2473 (ROUND_REG): Round when double precision value is passed in floating
2475 (FUNCTION_ARG_ADVANCE): No change wanted for SH4 when things are
2476 passed on the stack.
2477 (FUNCTION_ARG): Little endian adjustment for SH4 SFmode.
2478 (FUNCTION_ARG_PARTIAL_NREGS): Zero for SH4.
2479 (TRAMPOLINE_ALIGNMENT): Take TARGET_HARWARD into account.
2480 (INITIALIZE_TRAMPOLINE): Emit ic_invalidate_line for TARGET_HARWARD.
2481 (MODE_DISP_OK_8): Not for SH4 DFmode.
2482 (GO_IF_LEGITIMATE_ADDRESS): No base reg + index reg for SH4 DFmode.
2483 Allow indexed addressing for PSImode after reload.
2484 (LEGITIMIZE_ADDRESS): Not for SH4 DFmode.
2485 (LEGITIMIZE_RELOAD_ADDRESS): Handle SH3E SFmode.
2486 Don't change SH4 DFmode nor PSImode RELOAD_FOR_INPUT_ADDRESS.
2487 (DOUBLE_TYPE_SIZE): 64 for SH4.
2488 (RTX_COSTS): Add PLUS case.
2489 Increae cost of ASHIFT, ASHIFTRT, LSHIFTRT case.
2490 (REGISTER_MOVE_COST): Add handling of R0_REGS, FPUL_REGS, T_REGS,
2491 MAC_REGS, PR_REGS, DF_REGS.
2492 (REGISTER_NAMES): Use fp_reg_names.
2493 (enum processor_type): Add PROCESSOR_SH4.
2494 (sh_flag_remove_dead_before_cse): Declare.
2495 (rtx_equal_function_value_matters, fpscr_rtx, get_fpscr_rtx): Declare.
2496 (PREDICATE_CODES): Add binary_float_operator,
2497 commutative_float_operator, fp_arith_reg_operand, fp_extended_operand,
2498 fpscr_operand, noncommutative_float_operator.
2499 (ADJUST_COST): Use different scale for TARGET_SUPERSCALAR.
2500 (SH_DYNAMIC_SHIFT_COST): Cheaper for SH4.
2501 * sh.md (attribute cpu): Add value sh4.
2502 (attrbutes fmovd, issues): Define.
2503 (attribute type): Add values dfp_arith, dfp_cmp, dfp_conv, dfdiv.
2504 (function units memory, int, mpy, fp): Make dependent on issue rate.
2505 (function units issue, single_issue, load_si, load): Define.
2506 (function units load_store, fdiv, gp_fpul): Define.
2507 (attribute hit_stack): Provide proper default.
2508 (use_sfunc_addr+1, udivsi3): Predicated on ! TARGET_SH4.
2509 (udivsi3_i4, udivsi3_i4_single, divsi3_i4, divsi3_i4_single): New insns.
2510 (udivsi3, divsi3): Emit special patterns for SH4 hardware,
2511 (mulsi3_call): Now uses match_operand for function address.
2512 (mulsi3): Also emit code for SH1 case. Wrap result in REG_LIBCALL /
2514 (push, pop, push_e, pop_e): Now define_expands.
2515 (push_fpul, push_4, pop_fpul, pop_4, ic_invalidate_line): New expanders.
2516 (movsi_ie): Added y/i alternative.
2517 (ic_invalidate_line_i, movdf_i4): New insns.
2518 (movdf_i4+[123], reload_outdf+[12345], movsi_y+[12]): New splitters.
2519 (reload_indf, reload_outdf, reload_outsf, reload_insi): New expanders.
2520 (movdf): Add special code for SH4.
2521 (movsf_ie, movsf_ie+1, reload_insf, calli): Make use of fpscr visible.
2522 (call_valuei, calli, call_value): Likewise.
2523 (movsf): Emit no-op move.
2524 (mov_nop, movsi_y): New insns.
2525 (blt, sge): generalize to handle DFmode.
2526 (return predicate): Call emit_fpscr_use and remove_dead_before_cse.
2527 (block_move_real, block_lump_real): Predicate on ! TARGET_HARD_SH4.
2528 (block_move_real_i4, block_lump_real_i4, fpu_switch): New insns.
2529 (fpu_switch0, fpu_switch1, movpsi): New expanders.
2530 (fpu_switch+[12], fix_truncsfsi2_i4_2+1): New splitters.
2531 (toggle_sz): New insn.
2532 (addsf3, subsf3, mulsf3, divsf3): Now define_expands.
2533 (addsf3_i, subsf3_i, mulsf3_i4, mulsf3_ie, divsf3_i): New insns.
2534 (macsf3): Make use of fpscr visible. Disable for SH4.
2535 (floatsisf2): Make use of fpscr visible.
2536 (floatsisf2_i4): New insn.
2537 (floatsisf2_ie, fixsfsi, cmpgtsf_t, cmpeqsf_t): Disable for SH4.
2538 (ieee_ccmpeqsf_t): Likewise.
2539 (fix_truncsfsi2): Emit different code for SH4.
2540 (fix_truncsfsi2_i4, fix_truncsfsi2_i4_2, cmpgtsf_t_i4): New insns.
2541 (cmpeqsf_t_i4, ieee_ccmpeqsf_t_4): New insns.
2542 (negsf2, sqrtsf2, abssf2): Now expanders.
2543 (adddf3, subdf3i, muldf2, divdf3, floatsidf2): New expanders.
2544 (negsf2_i, sqrtsf2_i, abssf2_i, adddf3_i, subdf3_i): New insns.
2545 (muldf3_i, divdf3_i, floatsidf2_i, fix_truncdfsi2_i): New insns.
2546 (fix_truncdfsi2, cmpdf, negdf2, sqrtdf2, absdf2): New expanders.
2547 (fix_truncdfsi2_i4, cmpgtdf_t, cmpeqdf_t, ieee_ccmpeqdf_t): New insns.
2548 (fix_truncdfsi2_i4_2+1): New splitters.
2549 (negdf2_i, sqrtdf2_i, absdf2_i, extendsfdf2_i4): New insns.
2550 (extendsfdf2, truncdfsf2): New expanders.
2551 (truncdfsf2_i4): New insn.
2552 * t-sh (LIB1ASMFUNCS): Add _movstr_i4, _sdivsi3_i4, _udivsi3_i4.
2553 (MULTILIB_OPTIONS): Add m4-single-only/m4-single/m4.
2554 * float-sh.h: When testing for __SH3E__, also test for
2555 __SH4_SINGLE_ONLY__ .
2556 * va-sh.h (__va_freg): Define to float.
2557 (__va_greg, __fa_freg, __gnuc_va_list, va_start):
2558 Define for __SH4_SINGLE_ONLY__ like for __SH3E__ .
2559 (__PASS_AS_FLOAT, __TARGET_SH4_P): Likewise.
2560 (__PASS_AS_FLOAT): Use different definition for __SH4__ and
2562 (TARGET_SH4_P): Define.
2565 * sh.md (movdf_k, movsf_i): Tweak the condition so that
2566 init_expr_once is satisfied about the existence of load / store insns.
2568 * sh.md (movsi_i, movsi_ie, movsi_i_lowpart, movsf_i, movsf_ie):
2569 change m constraint in source operand to mr / mf .
2571 * va-sh.h (__va_arg_sh1): Use __asm instead of asm.
2573 * (__VA_REEF): Define.
2574 (__va_arg_sh1): Use it.
2576 * va-sh.h (va_start, va_arg, va_copy): Add parenteses.
2578 Sun Nov 22 21:34:02 1998 Jeffrey A Law (law@cygnus.com)
2580 * i386/dgux.c (struct option): Add new "description field".
2581 * m88k/m88k.c (struct option): Likewise.
2583 Sun Nov 22 16:07:57 PST 1998 Jeff Law (law@cygnus.com)
2585 * version.c: Bump for snapshot.
2587 Sun Nov 22 13:40:02 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2589 * regmove.c (regmove_profitable_p): Use return value of find_matches
2592 Sun Nov 22 02:47:37 PST 1998 Jeff Law (law@cygnus.com)
2594 * version.c: Bump for snapshot.
2596 Sat Nov 21 22:12:09 1998 Jeffrey A Law (law@cygnus.com)
2598 * reload1.c (eliminate_regs): Do not lose if eliminate_regs is called
2599 without reload having been called earlier.
2601 * v850.c (ep_memory_operand): Offsets < 0 are not valid for EP
2603 (v850_reorg): Similarly.
2605 * loop.c (check_dbra_loop): Avoid using gen_add2_insn.
2607 Sat Nov 21 02:18:38 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2609 * loop.c (move_movables): Start of libcall might be new loop start.
2611 Fri Nov 20 12:14:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2613 * hash.c (hash_table_init_n): Wrap prototype arguments in PARAMS().
2615 Fri Nov 20 08:34:00 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2617 * function.c (nonlocal_goto_handler_slots): Renamed from
2618 nonlocal_goto_handler_slot; now an EXPR_LIST chain.
2619 (push_function_context_to): Adjust for this change.
2620 (pop_function_context_from): Likewise.
2621 (init_function_start): Likewise.
2622 (expand_function_end): Likewise.
2623 * function.h (struct function): Likewise.
2624 * calls.c (expand_call): Likewise.
2625 * explow.c (allocate_dynamic_stack_space): Likewise.
2626 * expr.h (nonlocal_goto_handler_slots): Rename its declaration.
2627 * stmt.c (declare_nonlocal_label): Make a new handler slot for each
2629 (expand_goto): When doing a nonlocal goto, find corresponding handler
2630 slot for it. Don't put the label address in the static chain register.
2631 (expand_end_bindings): Break out nonlocal goto handling code into
2632 three new functions.
2633 (expand_nl_handler_label, expand_nl_goto_receiver,
2634 expand_nl_goto_receivers): New static functions, broken out of
2635 expand_end_bindings and adapted to create one handler per nonlocal
2637 * function.c (delete_handlers): Delete insn if it references any of
2638 the nonlocal goto handler slots.
2639 * i960.md (nonlocal_goto): Comment out code that modifies
2641 * sparc.md (nonlocal_goto): Likewise.
2642 (goto_handler_and_restore_v9): Comment out.
2643 (goto_handler_and_restore_v9_sp64): Comment out.
2645 Thu Nov 19 23:44:38 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2647 * expr.c (STACK_BYTES): Delete unused macro.
2648 * calls.c: Provide default for PREFERRED_STACK_BOUNDARY.
2649 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2650 (expand_call): Likewise.
2651 (emit_library_call): Likewise.
2652 (emit_library_call_value): Likewise.
2653 * function.c: Provide default for PREFERRED_STACK_BOUNDARY.
2654 (STACK_BYTES): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2655 * explow.c: Provide default for PREFERRED_STACK_BOUNDARY.
2656 (round_push): Use PREFERRED_STACK_BOUNDARY, not STACK_BOUNDARY.
2657 (allocate_dynamic_stack_space): Likewise.
2658 * tm.texi (PREFERRED_STACK_BOUNDARY): Document new macro.
2659 (STACK_BOUNDARY): Update description to reflect the new situation.
2661 Thu Nov 19 22:20:51 1998 Jeffrey A Law (law@cygnus.com)
2663 * reorg.c (relax_delay_slots): When optimizing for code size, if a
2664 return with a filled delay slot is followed by a return with an
2665 unfilled delay slot, delete the first return and reemit the insn
2666 that was previously in its delay slot.
2668 * i860.c (single_insn_src_p): Add missing parens.
2669 * ginclude/math-3300.h: Likewise.
2671 Thu Nov 19 20:55:59 1998 H.J. Lu (hjl@gnu.org)
2673 * regclass.c (init_reg_sets_1): Add prototype.
2674 (init_reg_modes): Likewise.
2676 1998-11-19 Zack Weinberg <zack@rabi.phys.columbia.edu>
2678 * c-common.c: Change warning messages to say `comparison is
2679 always true' or `comparison is always false' instead of the
2680 confusing `is always 0', `is always 1'.
2682 Thu Nov 19 19:05:49 1998 Per Bothner <bothner@cygnus.com>
2684 * print-tree.c (print_node): After printing BLOCK or BIND_EXPR,
2685 break instead of return (which loses closing '>').
2687 Thu Nov 19 19:34:13 1998 Jeffrey A Law (law@cygnus.com)
2689 * i386.h (LEGITIMATE_CONSTANT_P): Reject CONST_DOUBLEs that are not
2690 standard 387 constants.
2692 * i386.md (jump): Explicitly set "memory" attribute.
2693 (indirect_jump, prologue_set_stack_ptr): Likewise.
2694 (prologue_get_pc_and_set_got, pop): Likewise.
2695 (allocate_stack_worder, blockage, return_internal): Likewise.
2696 (return_pop_internal, nop): Likewise.
2697 (epilogue_set_stack_ptr, leave): Likewise.
2699 Thu Nov 19 15:42:54 1998 Nick Clifton <nickc@cygnus.com>
2701 * config/arm/coff.h: Set USER_LABEL_PREFIX to "_".
2703 Thu Nov 19 23:20:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2705 * reload1.c (reload_reg_free_for_value_p):
2706 Early auto_inc reloads don't conflict with outputs.
2708 Thu Nov 19 12:58:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2710 * configure.in: Don't do AC_CHECK_HEADERS(wait.h sys/wait.h).
2711 Instead call AC_HEADER_SYS_WAIT.
2713 * collect2.c: Don't provide defaults for sys/wait.h macros.
2715 * protoize.c: Likewise. Also, don't include sys/wait.h.
2717 * system.h: Include sys/wait.h and provide macro defaults.
2719 1998-11-19 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2721 * Makefile.in (mandir): Set to @mandir@.
2722 (man1dir): New variable to hold the former value of $(mandir).
2723 Replace all uses of $(mandir) by $(man1dir).
2725 Wed Nov 18 16:31:28 1998 Jim Wilson <wilson@cygnus.com>
2727 * reload.c (find_reloads_address_part): If have a CONST_INT, create
2728 a new one before passing it to force_const_mem.
2730 * reload.c (find_reloads_toplev): Pass &x instead of NULL_PTR in
2731 find_reloads_address call.
2733 Wed Nov 18 22:13:00 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2735 * expr.c (store_expr): Don't generate load-store pair
2736 if TEMP is identical (according to ==) with TARGET.
2738 Tue Nov 17 22:25:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2740 * reload1.c (reload_reg_free_for_value_p): When considered reload
2741 has an output, matching inputs are not sufficient to avoid conflict.
2743 Tue Nov 17 11:51:16 1998 Mark Mitchell <mark@markmitchell.com>
2745 * hash.h (hash_table_key): New type.
2746 (hash_entry): Change `string' field to generic `key'.
2747 (hash_table): Add `comp' and `hash' functions.
2748 (hash_table_init): Take them as input.
2749 (hash_table_init_n): Likewise.
2750 (hash_lookup): Modify for generic keys.
2751 (hash_newfunc): Likewise.
2752 (hash_traverse): Likewise.
2753 (string_hash): New function.
2754 (string_compare): Likewise.
2755 (string_copy): Likewise.
2756 * hash.c (hash_table_init_n): Modify for generic keys.
2757 (hash_table_init): Likewise.
2758 (hash_lookup): Likewise.
2759 (hash_newfunc): Likewise.
2760 (hash_traverse): Likewise.
2761 (string_hash): Split out from hash_lookup.
2762 (string_compare): New function.
2763 (string_copy): Split out from hash_lookup.
2764 * tlink.c (symbol_hash_newfunc): Modify for new interfaces to hash
2766 (symbol_hash_lookup): Likewise.
2767 (file_hash_newfunc): Likewise.
2768 (file_hash_lookup): Likewise.
2769 (demangled_hash_newfunc): Likewise.
2770 (demangled_hash_lookup): Likewise.
2771 (tlink_int): Likewise.
2772 (read_repo_file): Likewise.
2773 (recompile_files): Likewise.
2774 (demangle_new_symbols): Likewise.
2775 (scan_linker_output): Likewise.
2777 Tue Nov 17 17:13:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2779 * flow.c (insn_dead_p): New argument NOTES. Changed all callers.
2781 Mon Nov 16 17:56:07 1998 David Edelsohn <edelsohn@mhpcc.edu>
2783 * rs6000.c (output_mi_thunk): Improve test for local branch.
2785 Mon Nov 16 17:56:07 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2787 * rs6000.c (output_mi_thunk): Correct test for aggregate values.
2789 Mon Nov 16 21:02:52 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2791 * reload1.c (reload_reg_free_before_p): Delete.
2792 Changed all callers to use reload_reg_free_for_value_p instead.
2793 (reload_reg_free_for_value_p): Handle more reload types.
2794 A RELOAD_FOR_INPUT doesn't conflict with its
2795 RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS.
2796 Add special case for OUT == const0_rtx.
2797 Added ignore_address_reloads argument. Changed all callers.
2799 Mon Nov 16 02:22:29 1998 Jason Merrill <jason@yorick.cygnus.com>
2801 * toplev.c (compile_file): Don't pedwarn about undefined static
2802 functions just because we passed -Wunused.
2804 Mon Nov 16 04:41:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2806 * function.c (purge_addressof_1): Unshare rtl created by
2809 Mon Nov 16 04:23:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2811 * regmove.c (regmove_optimize): Don't do anything but
2812 optimize_reg_copy[123] when flag_regmove is not set.
2814 Sat Nov 14 15:05:07 1998 Richard Henderson <rth@cygnus.com>
2816 * alpha.md (addsi3, subsi3): Revise 5 Nov change to store DImode
2817 value in paradoxical SImode result, rather than truncating midpoint.
2819 Fri Nov 13 22:19:23 1998 Richard Henderson <rth@cygnus.com>
2821 * alpha.c (reg_not_elim_operand): New.
2822 * alpha.h (PREDICATE_CODES): Add it.
2823 * alpha.md (s48addq, s48subq patterns): Use it as the predicate
2824 for the multiplicand.
2826 Fri Nov 13 22:50:37 1998 David Edelsohn <edelsohn@mhpcc.edu>
2828 * rs6000.md (movsf): Remove explicit secondary-reload-like
2829 functionality. Only truncate SFmode store if in FPR.
2830 (movsf splitters): Combine const_double splitters.
2831 (movsf_hardfloat): Add GPR support.
2833 Fri Nov 13 11:02:11 1998 Stan Cox <scox@cygnus.com>
2835 * splet.h (SUBTARGET_OVERRIDE_OPTIONS): New to
2836 deprecate -mlive-g0 and -mbroken-saverestore.
2837 * t-splet (MULTILIB_OPTIONS): Likewise.
2839 * sparc.c (sparc_flat_compute_frame_size): Correctly calc args_size
2840 in a leaf function. Clarify total_size/extra_size relationship.
2842 Thu Nov 12 19:20:57 1998 Geoffrey Noer <noer@cygnus.com>
2844 * i386/cygwin32.asm: Delete.
2845 * i386/cygwin.asm: New file, renamed from cygwin32.asm.
2846 * i386/cygwin32.h: Delete.
2847 * i386/cygwin.h: New file, renamed from cygwin32.h.
2848 * i386/t-cygwin32: Delete.
2849 * i386/t-cygwin: New file, renamed from t-cygwin32. Include
2850 cygwin.asm instead of cygwin32.asm. Remove "32" from comment.
2851 * i386/x-cygwin32: Delete.
2852 * i386/x-cygwin: New file, renamed from x-cygwin32.
2853 * i386/xm-cygwin32: Delete.
2854 * i386/xm-cygwin: New file, renamed from xm-cygwin32. Use newly
2855 renamed cygwin_ funcs for path translations.
2856 * i386/win32.h: Define __CYGWIN__ when -mcygwin given.
2857 * i386/winnt.c: Remove "32" from comment about cygwin.
2858 * i386/mingw32.h: Fix references to cygwin32.h in light of above.
2859 * rs6000/cygwin32.h: Delete.
2860 * rs6000/cygwin.h: New file, renamed from cygwin32.h. Add
2861 -D__CYGWIN__ to CPP_PREDEFINES.
2862 * rs6000/x-cygwin32: Delete.
2863 * rs6000/x-cygwin: New file, renamed from x-cygwin32.
2864 * rs6000/xm-cygwin32: Delete.
2865 * rs6000/xm-cygwin: New file, renamed from xm-cygwin32.
2867 * configure.in: Check for cygwin* instead of cygwin32. Account
2868 for the rename of cygwin-related config files to lose the "32"s.
2869 * configure: Regenerate.
2871 * cccp.c, collect2.c, gcc.c, getpwd.c, libgcc2.c, protoize.c,
2872 toplev.c: Change all refs to __CYGWIN32__ to __CYGWIN__.
2874 Wed Nov 11 12:25:19 1998 Tom Tromey <tromey@cygnus.com>
2876 * Makefile.in (JAVAGC): New macro.
2877 * configure: Rebuilt.
2878 * configure.in: Recognize --enable-java-gc argument. Subst
2881 Thu Nov 12 03:32:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2883 Handle equivalences that have been obscured by gcse:
2885 * reload1.c (reload): Handle equivalences set up in multiple places.
2886 * local-alloc.c (reg_equiv_init_insns): New variable.
2887 (no_equiv): New function.
2888 (update_equiv_regs): Handle equivalences set up in multiple places.
2889 Don't ignore an insn just because its destination is likely to be
2892 Wed Nov 11 13:46:13 1998 Jim Wilson <wilson@cygnus.com>
2894 * except.c (expand_eh_return): Readd force_operand call lost in
2897 Tue Nov 10 17:04:11 1998 David Edelsohn <edelsohn@mhpcc.edu>
2899 * rs6000.h (LEGITIMIZE_ADDRESS): Add missing goto on last case.
2901 1998-11-09 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
2903 * dbxout.c: Check HAVE_STAB_H instead of HAVE_STABS_H.
2905 Mon Nov 9 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
2907 * regmove.c (regmove_optimize): Fix error in last change.
2909 Mon Nov 9 16:37:52 1998 Andrew Cagney <cagney@b1.cygnus.com>
2911 * mips.c (function_prologue): When TARGET_MIPS16, adjust the register
2912 offset in the .mask pseudo to compensate for frame pointer adjustments.
2913 (mips16_fp_args, build_mips16_call_stub): For little endian, do not
2914 word swap arguments moved to/from FP registers.
2915 * mips16.S (DFREVCMP): Reverse arguments to OPCODE.
2917 Mon Nov 9 09:47:06 PST 1998 Jeff Law (law@cygnus.com)
2919 * version.c: Bump for snapshot.
2921 Mon Nov 9 02:14:14 PST 1998 Jeff Law (law@cygnus.com)
2923 * version.c: Bump for snapshot.
2925 Mon Nov 9 03:06:24 1998 Jeffrey A Law (law@cygnus.com)
2927 * reload1.c (delete_output_reload_insn): If a pseudo is set multiple
2928 times, then it can not be completely replaced.
2930 Mon Nov 9 00:39:02 1998 Richard Henderson <rth@cygnus.com>
2932 * alpha.md (call, call_value) [OSF]: Correct alt 3 insn length.
2934 Sun Nov 8 17:50:30 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2936 * gansidecl.h: Prepend a "G" to the macro wrapping this file
2937 (to distinguish it from the macro wrapping ansidecl.h.)
2938 Include libiberty's ansidecl.h. Remove all redundant definitions.
2939 Define the PROTO() style macros in terms of the PARAMS() ones.
2942 * calls.c (emit_library_call): Switch on ANSI_PROTOTYPES, not
2943 __STDC__, when deciding whether to use ANSI variable args.
2944 (emit_library_call_value): Likewise.
2946 * cccp.c (error): Likewise.
2947 (warning): Likewise.
2948 (error_with_line): Likewise.
2949 (warning_with_line): Likewise.
2950 (pedwarn): Likewise.
2951 (pedwarn_with_line): Likewise.
2952 (pedwarn_with_file_and_line): Likewise.
2955 * cexp.y (error): Likewise.
2956 (pedwarn): Likewise.
2957 (warning): Likewise.
2959 * collect2.c (fatal_perror): Likewise.
2963 * combine.c (gen_rtx_combine): Likewise.
2965 * cpperror.c (cpp_message): Likewise.
2966 (cpp_fatal): Likewise.
2968 * cpplib.c (cpp_error): Likewise.
2969 (cpp_warning): Likewise.
2970 (cpp_pedwarn): Likewise.
2971 (cpp_error_with_line): Likewise.
2972 (cpp_warning_with_line): Likewise.
2973 (cpp_pedwarn_with_line): Likewise.
2974 (cpp_pedwarn_with_file_and_line): Likewise.
2976 * cpplib.h: Don't define PARAMS() macro.
2978 * demangle.h: Likewise.
2980 * doprint.c (checkit): Switch on ANSI_PROTOTYPES, not __STDC__,
2981 when deciding whether to use ANSI variable args.
2983 * emit-rtl.c (gen_rtx): Likewise.
2984 (gen_rtvec): Likewise.
2986 * final.c (asm_fprintf): Likewise.
2988 * fix-header.c (cpp_message): Likewise.
2990 (cpp_fatal): Likewise.
2992 * gcc.c (concat): Likewise.
2996 * genattr.c (fatal): Likewise.
2998 * genattrtab.c (attr_rtx): Likewise.
2999 (attr_printf): Likewise.
3002 * gencodes.c (fatal): Likewise.
3004 * genconfig.c (fatal): Likewise.
3006 * genemit.c (fatal): Likewise.
3008 * genextract.c (fatal): Likewise.
3010 * genflags.c (fatal): Likewise.
3012 * genopinit.c (fatal): Likewise.
3014 * genoutput.c (fatal): Likewise.
3017 * genpeep.c (fatal): Likewise.
3019 * genrecog.c (fatal): Likewise.
3021 * halfpic.h: Switch on ANSI_PROTOTYPES, not __STDC__, when
3022 deciding whether to declare `tree_node' and `rtx_def'.
3024 * hash.h: Don't define stuff we get from gansidecl.h.
3026 * mips-tfile.c: Likewise. Define __proto() in terms of PARAMS().
3027 (fatal): Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
3028 whether to use ANSI variable args.
3031 * prefix.c (concat): Likewise.
3035 * system.h: Likewise.
3037 * toplev.c (error_with_file_and_line): Likewise.
3038 (error_with_decl): Likewise.
3039 (error_for_asm): Likewise.
3042 (warning_with_file_and_line): Likewise.
3043 (warning_with_decl): Likewise.
3044 (warning_for_asm): Likewise.
3045 (warning): Likewise.
3046 (pedwarn): Likewise.
3047 (pedwarn_with_decl): Likewise.
3048 (pedwarn_with_file_and_line): Likewise.
3050 (really_sorry): Likewise.
3052 * toplev.h: Switch on ANSI_PROTOTYPES, not __STDC__, when deciding
3053 whether to declare `tree_node' and `rtx_def'.
3055 * tree.c (build): Switch on ANSI_PROTOTYPES, not __STDC__, when
3056 deciding whether to use ANSI variable args.
3057 (build_nt): Likewise.
3058 (build_parse_node): Likewise.
3060 Sun Nov 8 13:10:55 PST 1998 Jeff Law (law@cygnus.com)
3062 * version.c: Bump for snapshot.
3064 Sat Nov 7 23:34:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3066 * Makefile.in (libcpp.a): Check RANLIB_TEST before runing RANLIB.
3068 Sat Nov 7 22:26:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
3070 * collect2.c (main, case 'b'): Use else if.
3072 Sat Nov 7 15:35:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3074 * configure.in (host_xm_file, build_xm_file, xm_file, tm_file):
3075 Arrange to include gansidecl.h in {ht}config.h & tm.h just
3076 before the config/ directory headers.
3077 (tm_file_list, host_xm_file_list, build_xm_file_list): Handle
3078 gansidecl.h in the list of dependencies.
3080 * Makefile.in (RTL_BASE_H): Don't depend on gansidecl.h.
3081 (TREE_H, DEMANGLE_H, RECOG_H, REGS_H, libgcc2.a, stmp-multilib,
3082 mbchar.o, collect2.o, pexecute.o, vfprintf.o, splay-tree.o, gcc.o,
3083 gencheck.o, choose-temp.o, mkstemp.o, mkstemp.o, prefix.o,
3084 dyn-string.o, cexp.o, cccp.o, cppmain.o, cpplib.o, cpperror.o,
3085 cppexp.o, cppfiles.o, cpphash.o, cppalloc.o, scan-decls.o):
3088 * cccp.c: Don't include gansidecl.h.
3090 * collect2.c: Likewise.
3091 * config/c4x/c4x.c: Likewise.
3092 * config/v850/v850.h: Likewise.
3093 * cppalloc.c: Likewise.
3094 * cpperror.c: Likewise.
3095 * cppexp.c: Likewise.
3096 * cppfiles.c: Likewise.
3097 * cpphash.c: Likewise.
3098 * cpplib.c: Likewise.
3099 * cppmain.c: Likewise.
3100 * cppulp.c: Likewise.
3101 * demangle.h: Likewise.
3102 * doprint.c: Likewise.
3103 * dyn-string.c: Likewise.
3104 * eh-common.h: Likewise.
3105 * fix-header.c: Likewise.
3106 * frame.c: Likewise.
3109 * gen-protos.c: Likewise.
3110 * gencheck.c: Likewise.
3111 * halfpic.h: Likewise.
3113 * machmode.h: Likewise.
3114 * mbchar.c: Likewise.
3115 * prefix.c: Likewise.
3116 * protoize.c: Likewise.
3117 * recog.h: Likewise.
3119 * scan-decls.c: Likewise.
3121 * varray.h: Likewise.
3123 Sat Nov 7 11:37:53 1998 Richard Henderson <rth@cygnus.com>
3125 * i386.md (call_value_pop): If we're not popping anything,
3126 defer to call_value.
3127 (call_pop): Likewise defer to call.
3129 Sat Nov 7 02:49:56 1998 Richard Henderson <rth@cygnus.com>
3131 * function.c (purge_addressof): Clear purge_addressof_replacements
3132 only after processing the whole function.
3134 Sat Nov 7 00:54:55 1998 Jeffrey A Law (law@cygnus.com)
3136 * reload1.c (reload): If we can not perform a particular elimination
3137 when we thought we could earlier, then we must always iterate through
3138 the loop at least one more time.
3140 Fri Nov 6 19:37:33 1998 Richard Henderson <rth@cygnus.com>
3142 * alpha.c (add_operand): Simplify the CONST_INT match.
3143 (sext_add_operand): Correct typo in comparison by using
3144 CONST_OK_FOR_LETTER_P.
3145 * alpha.md (s?addq): Use sext_add_operand to allow the negative
3146 constant alternatives to be generated.
3147 (mulsi3, muldi3, umuldi3_highpart): Loosen constraints to allow
3148 small constants, since the hw instructions do.
3150 Fri Nov 6 20:15:19 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3152 * reload1.c (emit_reload_insns): When rewriting the SET_DEST of a
3153 previous insn to store directly into our reload register, make sure
3154 that if the source of the previous insn is a reload register, its
3155 spill_reg_store and spill_reg_stored_to values are cleared.
3157 Fri Nov 6 16:35:10 1998 David Edelsohn <edelsohn@mhpcc.edu>
3159 * rs6000.md (floatunssidf2_internal splitter): Use base register
3160 operand, not hard-coded SP.
3162 Fri Nov 6 04:07:53 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3164 * jump.c (calculate_can_reach_end): Fix thinko.
3166 Fri Nov 6 00:16:04 1998 Jeffrey A Law (law@cygnus.com)
3168 * reorg.c (fill_simple_delay_slots): Fix typo.
3170 * romp.h (LEGITIMIZE_ADDRESS): Fix typo.
3172 Fri Nov 6 00:10:00 1998 Jan Hubicka (hubicka@freesoft.cz)
3174 * i386.md (extendsidi2): Use # in the output template.
3175 (extendsidi splitters): New splitters.
3177 Thu Nov 5 11:13:27 1998 Nick Clifton <nickc@cygnus.com>
3179 * configure.in: Use unknown-elf.h as tm_file for arm-elf
3181 * configure: Regenerate.
3183 Thu Nov 5 07:59:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3185 * jump.c (init_label_info, delete_barrier_successors,
3186 mark_all_labels, delete_unreferenced_labels,
3187 delete_noop_moves, calculate_can_reach_end): New functions broken
3188 out of jump_optimize.
3189 (jump_optimize): Use them.
3191 Thu Nov 5 07:57:45 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3193 * except.c (expand_fixup_region_end): Make sure outer context labels
3194 are not issued in an inner context during cleanups.
3196 Thu Nov 5 04:03:06 1998 Richard Henderson <rth@cygnus.com>
3198 * alpha.md (addsi3, subsi3): No new temporaries once cse is
3201 Thu Nov 5 03:29:19 1998 Richard Henderson <rth@cygnus.com>
3203 * alpha.md (addsi3, subsi3): Expand to a DImode temporary so as
3204 to expose this midpoint to CSE.
3206 Thu Nov 5 03:42:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
3208 * config/sparc/sparc.md (movdf_const_intreg_sp64): Enable again.
3210 Thu Nov 5 10:53:01 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3212 * configure.in: Bring over gcc2 change of Nov 19 1997.
3214 Wed Nov 4 23:43:08 1998 Graham <grahams@rcp.co.uk>
3216 * toplev.c (output_lang_identify): Make definition dependent on
3217 ASM_IDENTIFY_LANGUAGE.
3219 * print-rtl.c (spaces): Make static.
3221 Wed Nov 4 22:16:36 1998 Hans-Peter Nilsson <hp@axis.se>
3223 * extend.texi: Clarify proper uses for register clobbers in asms.
3225 Wed Nov 4 22:16:36 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3227 * recog.h (enum op_type): Define.
3228 (constrain_operands): Adjust prototype.
3229 (recog_op_type): Declare new variable.
3230 * recog.c (recog_op_type): New variable.
3231 (insn_invalid_p): Allow modifying an asm statement after reload.
3232 (extract_insn): Set up recog_op_type.
3233 (constrain_operands): Lose INSN_CODE_NUM arg. All callers changed.
3234 Don't compute operand types, use recog_op_type.
3235 Use the information computed by extract_insn instead of the previous
3236 method of finding it by insn code number.
3237 * caller-save.c (init_caller_save): Use extract_insn, not insn_extract.
3238 * reorg.c (fill_slots_from_thread): Likewise.
3239 * reload1.c (reload_as_needed): Likewise.
3240 (gen_reload): Likewise.
3241 (inc_for_reload): Likewise.
3242 (reload_cse_simplify_operands): Likewise.
3243 Use the information computed by extract_insn instead of the previous
3244 method of finding it by insn code number.
3245 * genattrtab.c (write_attr_case): Generate call to extract_insn, not
3247 * final.c (final_scan_insn): Use extract_insn, not insn_extract.
3248 (cleanup_operand_subregs): Use extract_insn, not insn_extract.
3249 Use the information computed by extract_insn instead of the previous
3250 method of finding it by insn code number.
3251 * regmove.c (find_matches): Likewise. Change meaning of the return
3252 value to be nonzero if the optimization can be performed, zero if
3253 not. All callers changed.
3254 Shorten some variable names to fix formatting problems.
3255 (regmove_optimize): Shorten some variable names to fix formatting
3257 Use the information computed by extract_insn instead of the previous
3258 method of finding it by insn code number.
3259 * regclass.c (scan_one_insn): Likewise.
3260 (record_reg_classes): Don't compute operand types, use recog_op_type.
3261 * reload.c (find_reloads): Lose CONSTRAINTS1 variable; use
3262 recog_constraints instead.
3264 Wed Nov 4 21:37:46 1998 Jeffrey A Law (law@cygnus.com)
3266 * rtl.h (flow2_completed): Declare.
3267 * flow.c (flow2_completed): Definition.
3268 * toplev.c (rest_of_compilation): Set and clear flow2_completed
3271 Wed Nov 4 19:15:37 1998 "Melissa O'Neill" <oneill@cs.sfu.ca>
3273 * Makefile.in (libcpp.a): Ranlib libcpp.a
3275 * cppulp.c (user_label_prefix): Initialize.
3277 Wed Nov 4 19:07:08 1998 John Wehle (john@feith.com)
3279 * flow.c (mark_regs_live_at_end): Mark the stack pointer as live
3280 at a RETURN if current_function_sp_is_unchanging is set.
3282 Wed Nov 4 18:16:29 1998 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3284 * emit-rtl.c (try_split): Fixed error in Oct 10 patch.
3286 Wed Nov 4 15:11:15 1998 Geoffrey Noer <noer@cygnus.com>
3288 * i386/cygwin32.h (MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS, MASK_DLL,
3289 TARGET_WIN32, TARGET_CYGWIN, TARGET_WINDOWS, TARGET_DLL): New.
3290 (SUBTARGET_SWITCHES): Add -mno-cygwin, -mcygwin, and -mdll options.
3291 (CPP_PREDEFINES): Don't define __CYGWIN32__ here.
3292 (STARTFILE_SPEC): Handle -mdll, -mno-cygwin options.
3293 (CPP_SPEC): Handle -mno-cygwin option. Define __CYWIN__ in addition
3295 (LIB_SPEC): Handle -mno-cyginw option.
3296 (LINK_SPEC): Handle -mdll.
3298 Wed Nov 4 22:56:14 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3300 * reload.c (find_reloads): Fix test for usage by other reload
3301 to handle secondary reloads properly.
3303 Wed Nov 4 17:25:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3305 * reload1.c (ELIMINABLE_REGS, NUM_ELIMINABLE_REGS): Introduce an
3306 intermediate structure which has exactly the members provided by
3307 ELIMINABLE_REGS. Define NUM_ELIMINABLE_REGS in terms of the
3308 static intermediate structure.
3310 (init_elim_table): Xmalloc() `reg_eliminate', and initialize it
3311 from the intermediate structure. Do the same analogous fix in
3312 the case where ELIMINABLE_REGS is not defined.
3314 Tue Nov 3 20:50:03 1998 Jeffrey A Law (law@cygnus.com)
3316 * pa.h (SELECT_SECTION): Fix thinko.
3318 Tue Nov 3 17:51:36 1998 Jim Wilson <wilson@cygnus.com>
3320 * dwarf2out.c (output_call_frame_info): Comments on last change.
3322 Tue Nov 3 07:51:43 1998 Richard Earnshaw (rearnsha@arm.com)
3324 * arm.c (add_constant): When taking the address of an item in the
3325 pool, get the mode of the item addressed.
3327 * arm.c (final_prescan_insn case INSN): If an insn doesn't
3328 contain a SET or a PARALLEL, don't consider it for conditional
3331 Restore ABI compatibility for NetBSD.
3332 * arm/netbsd.h (DEFAULT_PCC_STRUCT_RETURN): Override setting in
3334 (RETURN_IN_MEMORY): Likewise.
3336 Mon Nov 2 11:46:17 1998 Doug Evans <devans@canuck.cygnus.com>
3338 * m32r/m32r.c (m32r_expand_block_move): Fix byte count computations.
3339 (m32r_output_block_move): Rewrite bytes < 4 handling.
3341 Mon Nov 2 10:10:35 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3343 * configure.in: Call AC_FUNC_VFORK.
3345 * collect2.c: Define VFORK_STRING as a printable string for
3346 error messages (either "vfork" or "fork".) If HAVE_VFORK_H is
3347 defined, include vfork.h. If VMS is defined, define vfork()
3348 appropriately. Remove vfork check on USG, we're using autoconf.
3349 (collect_execute): Pass VFORK_STRING to fatal_perror instead of
3350 checking locally what string to pass.
3351 (scan_prog_file): Likewise.
3352 (scan_libraries): Likewise.
3354 * gcc.c: Remove vfork check on USG, we're using autoconf.
3355 Besides, no calls to vfork/fork occur in this file.
3357 * protoize.c: Likewise.
3359 Mon Nov 2 07:52:28 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3361 * configure.in (DEFAULT_LINKER): renamed from LD
3362 (DEFAULT_ASSEMBLER): renamed from AS; reverted Schwab's patch
3363 (gcc_cv_as): try $DEFAULT_ASSEMBLER before $AS
3364 * configure: rebuilt
3366 Mon Nov 2 01:48:10 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3368 * BUGS: fix the regexp for `more' to find the appropriate node.
3369 Reported by Joerg Pietschmann <joerg_pietschmann@zkb.ch>
3371 * BUGS: added link to the WWW FAQ
3373 Sun Nov 1 18:27:15 PST 1998 Jeff Law (law@cygnus.com)
3375 * version.c: Bump for snapshot.
3377 Sun Nov 1 11:04:32 1998 Jeffrey A Law (law@cygnus.com)
3379 * From Christian Gafton:
3380 * i386/linux.h (CPP_PREDEFINES): Add -D__i386__.
3381 * sparc/linux.h (CPP_PREDEFINES): Add -D__sparc__.
3382 * sparc/linux64.h (CPP_PREDEFINES): Add -D__sparc__.
3384 Sat Oct 31 21:42:39 1998 Mark Mitchell <mark@markmitchell.com>
3386 * c-common.c (c_get_alias_set): Allow all type-punning through
3387 unions. Don't get confused about the type of a bit-field, despite
3388 the antics of build_modify_expr.
3390 Sat Oct 31 22:35:29 1998 Jean-Pierre Radley <jpr@jpr.com>
3392 * fixinc.sco: Paramaterize #include_next values.
3393 * fixinc/fixinc.sco: Likewise.
3395 Sat Oct 31 20:39:35 1998 Jeffrey A Law (law@cygnus.com)
3397 * toplev.c (rest_of_compilation): No longer set reload_completed.
3398 * reload1.c (reload): Set it here. Perform instruction splitting
3399 after reload has completed if we will be running the scheduler
3402 Sat Oct 31 12:30:02 1998 Jeffrey A Law (law@cygnus.com)
3404 * jump.c (jump_optimize): Initialize mappings from INSN_UID to
3405 EH region if exceptions are enabled and we're performing cross
3407 (find_cross_jump): Exit loop if the insns are in different EH regions.
3409 Sat Oct 31 10:02:48 1998 Mark Mitchell <mark@markmitchell.com>
3411 * dwarf2out.c (output_call_frame_info): Use
3412 ASM_OUTPUT_DWARF_DELTA4 for the CIE offset to match frame.c.
3414 Sat Oct 31 10:23:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3416 Reinstall Apr 24th fix, lost during May 6th gcc2 merge:
3417 * c-common.c (check_format_info): Don't check for the 'x'
3418 format character twice, instead check for 'x' and 'X'
3420 Fri Oct 30 14:50:25 1998 Jeffrey A Law (law@cygnus.com)
3422 * configure.in (assembler features): Also make gas is configured if
3423 we find it in the souce tree.
3425 Fri Oct 30 13:23:20 1998 Richard Henderson <rth@cygnus.com>
3427 * i386.c (i386_comp_type_attributes): Compare whether the
3428 attributes are defined, not their tree nodes.
3430 Fri Oct 30 11:39:47 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
3432 * configure.in (gxx_include_dir): bitten by autoconf quoting
3434 * configure: rebuilt
3436 Fri Oct 30 10:43:29 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3438 * configure.in: Ignore non-absolute value in $AS.
3440 Fri Oct 30 00:54:25 1998 Peter Jakubek <pjak@snafu.de>
3442 * m68k.h (INDIRECTABLE_1_ADDRESS_P): Fix thinko.
3444 Fri Oct 30 00:42:34 1998 Mark Elbrecht <snowball3@usa.net>
3446 * configure.in (msdosdjgpp): Set exeext and target_alias.
3448 Thu Oct 29 23:55:43 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3450 * flow.c (XNMALLOC): New macro.
3451 (flow_int_list_blocks, basic_block_succ, basic_block_pred): New
3453 (add_edge, add_edge_to_label): New static functions.
3454 (free_bb_memory): New function.
3455 (flow_delete_insn): Delete function.
3456 (basic_block_drops_in): Delete variable.
3457 (find_basic_blocks): Allocate and initialize basic_block_head,
3458 basic_block_succ. Don't allocate basic_block_drops_in.
3459 Call free_bb_memory at the beginning.
3460 (find_basic_blocks_1): Don't do multiple passes.
3461 Delete code to compute basic_block_drops_in.
3462 After calling make_edges, mark blocks reached by current block live.
3463 Update test for unreachable live blocks.
3464 (mark_label_ref): Delete args X, CHECKDUP. Add PRED arg. All callers
3466 Simplify to call add_edge_to_label when a LABEL_REF is found.
3467 (make_edges): Simplify to call add_edge_to_label instead of
3468 mark_label_ref most of the time.
3469 Compute here whether control drops into the next block.
3470 (delete_unreachable_blocks): Return void. All callers changed.
3471 Delete unreachable blocks in reverse order.
3472 After deleting all unreachable blocks, renumber the remaining ones
3473 and update n_basic_blocks.
3474 (delete_block): Speed up deletion a bit.
3475 Don't set basic_block_drops_in for deleted blocks.
3476 (free_basic_block_vars): Don't free basic_block_drops_in.
3477 (life_analysis_1): Update to use new edge representation.
3478 (dump_flow_info): Delete code to print basic block info; call
3479 dump_bb_data instead.
3480 (compute_preds_succs): Delete code to recompute basic_block_drops_in
3481 and uid_block_number.
3482 Simply copy the previously computed cfg.
3483 (dump_bb_data): New arg LIVE_INFO. All callers changed.
3484 Print register lifetime information if LIVE_INFO is nonzero.
3485 * basic-block.h (dump_bb_data): Adjust prototype.
3486 * gcse.c (gcse_main): Update call to dump_bb_data.
3487 * rtl.h (free_bb_memory): Declare.
3488 * toplev.c (rest_of_compilation): Call free_bb_memory.
3490 * reload1.c (struct elim_table): Delete MAX_OFFSET member.
3491 (update_eliminable_offsets): Don't compute it.
3492 (set_initial_elim_offsets): Don't initialize it.
3493 Break out some code into set_initial_label_offsets so the rest of
3494 this function can be called from reload_as_needed.
3495 Assume that INITIAL_FRAME_POINTER_OFFSET is defeined when
3496 ELIMINABLE_REGS isn't.
3497 (set_initial_label_offsets): New function, broken out of
3498 set_initial_elim_offsets.
3499 (set_offsets_for_label): New function, broken out of set_label_offsets
3500 and reload_as_needed.
3501 (reload): Call the two new functions.
3502 (reload_as_needed): Call set_initial_elim_offsets instead of
3503 duplicating the code. Likewise for set_offsets_for_label.
3505 * reload1.c (choose_reload_regs): Fix typo in Oct 17 change.
3506 (emit_reload_insns): Ensure that when we set reg_reloaded_valid for
3507 any hard reg, reg_reloaded_dead contains valid data.
3509 Thu Oct 29 22:30:54 1998 Marcus Meissner <Marcus.Meissner@informatik.uni-erlangen.de>
3511 * i386.c (i386_comp_type_attributes): Return nonzero for mismatched
3512 "stdcall" and "cdecl" attributes.
3514 Thu Oct 29 19:05:17 1998 Jim Wilson <wilson@cygnus.com>
3516 * sched.c (update_flow_info): Add code to ! found_orig_dest case to
3517 handle deleted no-op moves of hard registers.
3518 * haifa-sched.c (update_flow_info): Likewise.
3520 Thu Oct 29 18:07:47 1998 Jeffrey A Law (law@cygnus.com)
3522 * mips.md (reload_{in,out}{si,di}): Emit a USE of HILO at the end
3523 of the sequences to reload the HILO register which do not actually
3526 Thu Oct 29 12:39:35 1998 Jim Wilson <wilson@cygnus.com>
3528 * c-common.c (c_get_alias_set): Handle ARRAY_REF of union field.
3530 Thu Oct 29 14:10:22 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
3532 * except.c (emit_eh_context): Make the EH context register stay alive
3533 at -O0 so stupid.c doesn't get confused.
3535 1998-10-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3537 * emit-rtl.c (try_split): Do not try to split a BARRIER.
3539 Thu Oct 29 01:33:54 1998 Jan Hubicka <hubicka@freesoft.cz>
3540 Jeffrey A Law (law@cygnus.com)
3542 * i386.md: Change ix86_cpu == PROCESSOR_PENTIUM to TARGET_PENTIUM
3543 (zero_extendsidi2): Use # in output template and handle completely by
3545 (zero_extend splitters): New define_splits.
3546 (ashiftrt_32): New pattern.
3548 Wed Oct 28 22:58:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3550 * tree.c (append_random_chars): New fn.
3551 (get_file_function_name_long): Use it.
3553 Wed Oct 28 22:27:05 1998 Richard Henderson <rth@cygnus.com>
3555 * Makefile.in (cc1): Put C_OBJS, and thence @extra_c_objs@ last.
3556 (LIBCPP_OBJS): New. Add cppulp.o.
3557 (cppmain, fix-header): Depend on and use libcpp.a.
3558 * configure.in (extra_c_objs, extra_cxx_objs): Use libcpp.a instead
3559 of the individual object files.
3560 * objc/Make-lang.in (cc1obj): Put OBJC_OBJS, and thence @extra_c_objs@,
3563 * cccp.c (user_label_prefix): New.
3564 (main): Set it off -f*leading-underscore.
3565 (special_symbol): Use it.
3566 * cpplib.c (special_symbol): Likewise.
3567 (cpp_handle_option): Handle -f*leading-underscore.
3568 * cppulp.c: New file.
3570 * output.h (user_label_prefix): Declare it.
3571 * dwarf2out.c (ASM_NAME_TO_STRING): Prepend user_label_prefix.
3572 * toplev.c (f_options, main): Handle -f*leading-underscore.
3574 * defaults.h (ASM_OUTPUT_LABELREF): Use asm_fprintf instead of
3575 referencing USER_LABEL_PREFIX directly.
3576 * config/nextstep.h (ASM_OUTPUT_LABELREF): Likewise.
3577 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
3578 * final.c (asm_fprintf): Use user_label_prefix instead.
3579 * arm/thumb.c (thumb_print_operand): Likewise.
3581 * gcc.c (default_compilers): Pass -f*leading-underscore on to
3582 cpp wherever appropriate.
3584 Wed Oct 28 23:09:25 1998 Robert Lipe <robertl@dgii.com>
3586 * sco5.h (SUBTARGET_SWITCHES): Add documentation for OpenServer-
3587 specific compiler switches.
3589 Wed Oct 28 21:05:53 1998 Jeffrey A Law (law@cygnus.com)
3591 * Makefile.in (c-common.o): Depend on c-pragma.h. Use $(RTL_H) instead
3594 Wed Oct 28 20:52:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3596 * gcc.c (EXTRA_SPECS, extra_specs): Introduce an intermediate
3597 structure which has exactly the members provided by EXTRA_SPECS.
3598 Xmalloc() the real `extra_specs', and initialize it from this
3599 intermediate structure.
3601 * alpha.h (EXTRA_SPECS): Revert change for missing initializers.
3603 * mips.h (EXTRA_SPECS): Likewise.
3605 * sparc.h (EXTRA_SPECS): Likewise.
3607 Wed Oct 28 16:46:07 1998 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3609 * function.c (purge_addressof_1): Instead of aborting when a
3610 bitfield insertion as a replacement for (MEM (ADDRESSOF)) does not
3611 work just put the ADDRESSOF on stack. Otherwise remember all such
3612 successfull replacements, so that exactly the same replacements
3613 can be made on the REG_NOTEs. Remove the special case for CALL
3615 (purge_addressof_replacements): New variable.
3616 (purge_addressof): Clear it at end.
3618 1998-10-28 16:10 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3620 * c-lang.c: Declare extern char *yy_cur if USE_CPPLIB.
3621 (lang_init): Call check_newline always.
3622 * c-lex.c (init_parse) [USE_CPPLIB=1]: After calling
3623 cpp_start_read, set yy_cur and yy_lim to read from
3624 parse_in.token_buffer, so that we'll see the first #line
3626 * cpplib.c (cpp_start_read): finclude the main input file
3627 before processing -include/-imacros. Process -imacros and
3628 -include separately, and handle -include by stacking a
3629 buffer for the file in question as if it'd been #included.
3630 * toplev.c (documented_lang_options) Recognize -H when
3633 1998-10-28 16:09 -0500 Zack Weinberg <zack@rabi.phys.columbia.edu>
3635 * cpplib.c: Merge do_once into do_pragma. Break file handling
3636 code out of do_include.
3637 Move append_include_chain, deps_output,
3638 file_cleanup, redundant_include_p, import_hash,
3639 lookup_import, add_import, read_filename_string, read_name_map,
3640 open_include_file, finclude, safe_read to cppfiles.c.
3641 Move prototypes for deps_output, append_include_chain,
3642 finclude to cpplib.h. Move definition of struct
3643 file_name_list there also.
3645 * cppfiles.c: New file. Contains all the above functions
3646 broken out of cpplib.c; also hack_vms_include_specification
3647 from cccp.c and find_include_file, a new function broken out of
3650 * Makefile.in (cppmain): Depend on cppfiles.o.
3651 (fix-header): Likewise.
3652 (cppfiles.o): New target.
3653 * configure.in (--enable-c-cpplib): Add cppfiles.o to
3654 extra_c_objs. Add ../cppfiles.o to extra_cxx_objs.
3656 Wed Oct 28 14:06:49 1998 Jim Wilson <wilson@cygnus.com>
3658 * dwarfout.c (dwarfout_file_scope_decl): If DECL_CONTEXT, don't abort
3659 if pending_types is non-zero.
3660 (dwarfout_finish): Verify pending_types is zero before finishing.
3662 Wed Oct 28 10:29:09 1998 Nick Clifton <nickc@cygnus.com>
3664 * expr.c (convert_move): Use shifts to perform the move if a
3665 suitable extend pattern cannot be found. Code written by
3666 Richard Henderson <rth@cygnus.com>.
3668 Wed Oct 28 03:59:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3670 * regclass.c (renumber, regno_allocated): New static variables, moved
3671 out of allocate_reg_info.
3672 (allocate_reg_info): Move these two variables outside the function.
3673 Move code to free memory into new function free_reg_info.
3674 (free_reg_info): New function, broken out of allocate_reg_info.
3675 * toplev.c (compile_file): Call free_reg_info, not allocate_reg_info.
3676 * rtl.h (allocate_reg_info): Don't declare.
3677 (free_reg_info): Declare.
3679 * final.c (cleanup_subreg_operands): ASM_INPUTs need no treatment.
3681 Wed Oct 28 02:38:12 1998 Jason Merrill <jason@yorick.cygnus.com>
3683 * toplev.c (compile_file): Temporarily revert last change.
3685 Wed Oct 28 00:00:35 1998 Jason Merrill <jason@yorick.cygnus.com>
3687 * c-typeck.c (convert_for_assignment): Parenthesize.
3689 1998-10-28 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
3691 * reload1.c (delete_output_reload): Avoid ambigous else.
3693 Wed Oct 28 00:10:35 1998 Jeffrey A Law (law@cygnus.com)
3695 * toplev.c (compile_file): Call allocate_reg_info to free register
3697 * rtl.h (allocate_reg_info): Declare.
3699 * PROJECTS: Remove entry for local spilling.
3701 * final.c (cleanup_subreg_operands): New function.
3702 (final_scan_insn): Use it.
3703 (alter_subreg): Clear the "used" field when we turn a SUBREG into
3705 * reload1.c (reload): Delete CLOBBER insns and also cleanup SUBREG
3706 operands when reload has finished.
3707 * reload.h (cleanup_subreg_operands): Declare..
3708 * flow.c (life_analysis_1): No longer delete CLOBBER insns after
3709 reload. Handled in reload itself.
3711 Tue Oct 27 23:32:34 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3713 * reload1.c (verify_initial_offsets): New function.
3714 (reload): Call it after reload_as_needed. Also verify that the frame
3715 size stays constant during reload_as_needed.
3716 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Undo Jul 26 change.
3718 * reload.h (struct insn_chain): Add need_operand_change element.
3719 * reload1.c (new_insn_chain): Clear it.
3720 (calculate_needs_all_insns): Set it; don't overload need_reload.
3721 (reload_as_needed): Use it.
3723 * reload.c (find_reloads_address): Use BASE_REG_CLASS instead of
3724 reload_address_base_reg_class throughout. Similar for INDEX_REG_CLASS
3725 and reload_address_index_reg_class.
3726 (find_reloads_address_1): Likewise.
3727 * reload.h (reload_address_base_reg_class,
3728 reload_address_index_reg_class): Don't declare.
3729 * reload1.c (reg_old_renumber, pseudo_previous_regs,
3730 pseudo_forbidden_regs, bad_spill_regs_global): New static variables.
3731 (used_spill_regs): Now static.
3732 (reload_address_base_reg_class, reload_address_index_reg_class,
3733 regs_explicitly_used, counted_for_groups, counted_for_nongroups,
3734 basic_block_needs, max_needs, group_size, group_mode, max_groups,
3735 max_nongroups, max_needs_insn, max_groups_insn, max_nongroups_insn,
3738 (init_reload): Delete code to compute base/index reg classes.
3739 (reload): Delete variable J.
3740 Delete code to manage basic_block_needs.
3741 Don't compute regs_explicitly_used.
3742 Allocate, initialize and free reg_old_renumber, pseudo_forbidden_regs,
3743 pseudo_previous_regs.
3744 Initialize bad_spill_regs_global.
3745 Don't call order_regs_for_reload here.
3746 Don't initialize spill_reg_order and n_spills.
3747 Don't forbid explicitly used regs to be used for spill regs.
3748 Change main loop to infinite loop, with explicit break statements.
3749 Make SOMETHING_CHANGED variable local to that loop.
3750 Don't initialize max_needs, max_groups, max_nongroups, max_needs_insn,
3751 max_groups_insn, max_nongroups_insn, group_size, group_mode.
3752 Make sure spilled_speudos is cleared before calling spill_hard_reg or
3754 Don't call dump_needs.
3755 Delete code to reset potential_reload_regs.
3756 Delete code to terminate loop conditional on the global needs variables
3757 showing no further needs.
3758 (calculate_needs_all_insns): Return void. All callers changed.
3759 Initialize somehing_needs_elimination here, not in reload.
3760 Delete avoid_return_reg kludge.
3761 (calculate_needs): Lose AVOID_RETURN_REG and GLOBAL args, return void.
3762 All callers changed.
3763 Initialize the group_mode and group_size elements of the arg CHAIN.
3764 Delete code to manage basic_block_needs.
3765 Operate on elements of CHAIN instead of global variables.
3766 Delete avoid_return_reg kludge.
3767 (find_tworeg_group): Lose GLOBAL arg, take CHAIN arg, return void.
3768 All callers changed.
3769 Operate on elements of CHAIN instead of global variables.
3770 Delete special SMALL_REGISTER_CLASSES code.
3771 Delete spill_failure code; now in new_spill_reg.
3772 (find_group): Lose GLOBAL arg, take CHAIN arg, return void.
3773 All callers changed.
3774 Operate on elements of CHAIN instead of global variables.
3775 (maybe_mark_pseudo_spilled): New static function.
3776 (find_reload_regs): Lose GLOBAL arg, take CHAIN arg, return void.
3777 All callers changed.
3778 Operate on elements of CHAIN instead of global variables.
3779 Call order_regs_for_reload here, not in reload.
3780 Initialize spill_reg_order and n_spills.
3781 Simplify test whether an asm insn is involved.
3782 Delete spill_failure code; now in new_spill_reg.
3783 Call maybe_mark_pseudo_spilled for everything marked as live in
3784 CHAIN. Merge CHAIN's used_spill_regs into the global variable
3786 (dump_needs): Take CHAIN arg. No longer static, to prevent the
3787 compiler from optimizing this function (now unused) away.
3788 Operate on elements of CHAIN instead of global variables.
3789 (possible_group_p): Lose MAX_GROUPS arg, take CHAIN arg. All callers
3791 Operate on elements of CHAIN instead of global variables.
3792 (count_possible_groups): Lose GROUP_SIZE, GROUP_MODE, MAX_GROUPS args,
3793 take CHAIN arg. All callers changed.
3794 Operate on elements of CHAIN instead of global variables.
3795 (new_spill_reg): Lose MAX_NEEDS, MAX_NONGROUPS, GLOBAL args, take
3796 CHAIN, NONGROUP args. Return void. All callers changed.
3797 Verify caller isn't trying to spill a pseudo.
3798 Simplify test for illegal reg, just use bad_spill_regs.
3799 Generate better error messages.
3800 Operate on elements of CHAIN instead of global variables.
3801 Mark spilled register in CHAIN's used_spill_regs element.
3802 Don't call spill_hard_reg.
3803 (spill_hard_reg): Lose GLOBAL arg, return void. All callers changed.
3804 Mark spilled hard regs in bad_spill_regs_global.
3805 Mark affected pseudos in spilled_pseudos, but don't spill them.
3806 (ior_hard_reg_set): New static function.
3807 (finish_spills): Return int. All callers changed.
3808 Compute spill_reg_order, n_spills and spill_regs here. Also update
3809 regs_ever_live for regs used as spills.
3810 For every pseudo in spilled_pseudos, spill it and mark the previous
3811 hard reg it had in pseudo_previous_regs. Compute which hard regs
3812 arseudo): New static function.
3813 (order_regs_for_reload): Take CHAIN arg. All callers changed.
3814 Initialize bad_spill_regs from bad_spill_regs_global, then merge any
3815 hard registers explicitly used across the current insn into the set.
3816 Compute hard_reg_n_uses taking only pseudos live across this insn
3818 Tweak sorting of potential_reload_regs.
3819 (compare_spill_regs): Delete function.
3820 (reload_as_needed): Don't sort the spill_regs array, it's computed
3821 in proper order in finish_spills.
3822 Delete avoid_return_reg kludge.
3823 Delete code to manage basic_block_needs.
3824 (allocate_reload_reg): Minor speed/readability tweaks.
3825 Operate on elements of CHAIN instead of global variables.
3826 (choose_reload_regs): Lose AVOID_RETURN_REG arg. All callers changed.
3827 Delete avoid_return_reg kludge.
3828 Initialize reload_reg_used from CHAIN's used_spill_regs element.
3829 Delete unused label FAIL.
3830 (reload_combine): Replce reload_address_index_reg_class with
3832 Don't use used_spill_regs to determine information about lifetime of
3835 Tue Oct 27 13:15:02 1998 Nick Clifton <nickc@cygnus.com>
3837 * toplev.c (display_help): Ignore empty target specific
3838 options, and if -W is also specified on the command line then
3839 display undocumented options.
3841 * config/arm/arm.c: Updated with changes in devo sources.
3842 * config/arm/arm.h: Updated with changes in devo sources.
3843 * config/arm/lib1funcs.asm: Updated with changes in devo sources.
3844 * config/arm/lib1thumb.asm: Add ELF support.
3846 Tue Oct 27 16:11:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3848 * collect2.c (aix64_flag): New variable.
3849 (main, case 'b'): Parse it.
3850 (GCC_CHECK_HDR): object magic number must match mode.
3851 (scan_prog_file): Only check for shared object if valid header.
3852 Print debugging if header/mode mismatch.
3854 Tue Oct 27 10:15:02 1998 Nick Clifton <nickc@cygnus.com>
3856 Added support for arm-elf-linux configuration, submitted by Philip
3857 Blundell <pb@nexus.co.uk>, and integrated this with the arm-elf
3858 code developed by Catherine Moore <clm@cygnus.com>. The following
3861 * configure.in: Add arm-*-linux-gnu, armv2-*-linux and arm-*-elf
3864 * configure: Regenerated.
3866 * config/arm/aout.h: Add default definitions of REGISTER_PREFIX,
3867 USER_LABEL_PREFIX and LOCAL_LABEL_PREFIX. Make other macro
3868 definitions conditional on their not having been already defined.
3870 * config/arm/lin1funcs.asm: Add ELF only macros to generate .size
3871 and .type directives, and add "(PLT)" qualification to function
3874 * config/arm/linux.h: Deleted. This file is now superceeded by
3875 either linux-elf.h or linux-aout.h.
3877 * config/arm/linux-gas.h: Define `inhibit_libc' if cross-compiling.
3878 (CLEAR_INSN_CACHE): New macro, currently disabled (awaiting kernel
3880 Move definitions from old linux.h file here.
3882 * config/arm/elf.h: New file. Generic ARM/ELF support.
3884 * config/arm/linux-aout.h: New file. Support for Linux with a.out.
3886 * config/arm/linux-elf.h: New file. Support for Linux with ELF.
3888 * config/arm/linux-elf26.h: New file. Support for Linux with ELF
3889 using the 26bit APCS.
3891 * config/arm/unknown-elf.h: New file. Support for OS'es other
3892 than Linux with ELF.
3894 * config/arm/t-arm-elf: New file. makefile fragment for arm-elf
3897 * config/arm/coff.h: Include aout.h for basic assembler macros.
3898 Add support for -mstructure_size_boundary=<n> command line option.
3900 * config/arm/arm.h: Add support for -mstructure_size_boundary=<n>
3901 command line option. Make macro definitions conditional on their
3902 not having been already defined.
3904 * config/arm/arm.c: Add support for -mstructure_size_boundary=<n>
3905 command line option.
3908 Tue Oct 27 08:56:46 1998 Andrew MacLeod <amacleod@cygnus.com>
3910 * dwarfout.c (ASM_OUTPUT_DWARF_STRING_NEWLINE): ASM_OUTPUT_DWARF_STRING
3911 has been changed to not include a newline. Use this macro instead.
3912 (output_enumeral_list, const_value_attribute, name_attribute,
3913 comp_dir_attribute, prototyped_attribute, producer_attribute,
3914 inline_attribute, pure_or_virtual_attribute, output_inheritance_die,
3915 dwarfout_file_scope_decl, generate_new_sfname_entry,
3916 generate_macinfo_entry, dwarfout_init, dwarfout_finish): Use
3917 ASM_OUTPUT_DWARF_STRING_NEWLINE macro.
3919 Mon Oct 26 13:35:02 1998 Richard Henderson <rth@cygnus.com>
3921 * combine.c (subst): Process the inputs to a parallel asm_operands
3924 Mon Oct 26 13:32:31 1998 Richard Henderson <rth@cygnus.com>
3926 * stmt.c (expand_asm_operands): Accept `=' or `+' at any position.
3928 Mon Oct 26 12:53:14 1998 Jeffrey A Law (law@cygnus.com)
3930 * tm.texi (ASM_OUTPUT_MAX_SKIP_ALIGN): Document.
3932 Mon Oct 26 00:36:58 PST 1998 Jeff Law (law@cygnus.com)
3934 * version.c: Bump for snapshot.
3936 Sun Oct 25 23:36:52 1998 Jason Merrill <jason@yorick.cygnus.com>
3938 * stmt.c (expand_fixup): Set fixup->before_jump to a
3939 NOTE_INSN_DELETED instead of a NOTE_INSN_BLOCK_BEG.
3941 Sun Oct 25 15:49:57 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3943 * Makefile.in (recog.o): Depend on toplev.h.
3944 (insn-emit.o): Depend on recog.h.
3945 (insn-peep.o): Depend on recog.h and insn-config.h.
3947 * combine.c (simplify_set): Remove unused variable `scratches'.
3949 * final.c (final_scan_insn): Wrap declaration of variables `vlen'
3950 and `idx' in macro conditional controlling their use.
3952 * genemit.c (main): Make the generated output file include
3953 recog.h. Don't have it declare `insn_operand_constraint', since
3954 we get it from recog.h.
3956 * genpeep.c (main): Make the generated output file include
3957 insn-config.h and recog.h.
3959 * recog.c: Include toplev.h.
3960 (extract_insn): Remove unused variable `p'.
3962 * regclass.c (fix_register): Add missing braces around initializer
3964 (allocate_reg_info): Move variable `i' into the scope where it is
3965 used. Change its type to `size_t'.
3967 Sun Oct 25 13:10:15 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
3969 * reload.c (push_reload): When merging reloads, make sure
3970 that reload_in_reg and reload_in are from the same reload in
3973 Sun Oct 25 12:07:00 1998 Mumit Khan <khan@xraylith.wisc.edu>
3975 * i386/crtdll.h (CPP_PREDEFINES): Fix typo.
3976 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3978 Fri Oct 23 23:42:03 1998 David Edelsohn <edelsohn@mhpcc.edu>
3980 * loop.c (loop_has_tablejump): New variable.
3981 (prescan_loop): Scan for it.
3982 (insert_bct): Replace explicit scan with use of it.
3983 * regclass.c (regclass): Restore loop variable j.
3984 (record_reg_classes): Deterine op_types modifiers and initialize
3985 classes[i] before matching constraints. Handle matching
3988 Fri Oct 23 13:55:48 1998 Jim Wilson <wilson@cygnus.com>
3990 * m32r/m32r.c (gen_split_move_double): Call alter_subreg. Delete
3993 Fri Oct 23 16:19:24 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3995 * mips.h (EXTRA_SPECS): Add missing initializers.
3997 Fri Oct 23 16:08:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3999 * sparc.h (EXTRA_SPECS): Add missing initializers.
4000 (sparc_defer_case_vector): Provide a prototype.
4002 * svr4.h (ASM_OUTPUT_ASCII): Cast STRING_LIMIT to (long) when
4003 comparing it to the result of a pointer subtraction.
4005 Fri Oct 23 15:34:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4007 * alpha.c (override_options): Use ISDIGIT(), not isdigit(). Cast
4008 the argument to (unsigned char).
4010 * alpha.h (EXTRA_SPECS): Add missing initializers.
4011 (ASM_GENERATE_INTERNAL_LABEL): Ensure the argument matches the
4014 Fri Oct 23 13:12:35 1998 Jeffrey A Law (law@cygnus.com)
4016 * flow.c (life_analysis_1): Enable "rescan" code after reload.
4017 (propagate_block): Delete dead code after reload.
4019 * sched.c (update_flow_info): Revert Oct 19, 1998 change. Brings
4020 back Oct 15, 1998 change.
4021 * haifa-sched.c (update_flow_info): Likewise.
4022 * flow.c (life_analysis_1): Delete CLOBBER insns after reload.
4024 * mn10200.md (truncated shift): Accept constant inputs too.
4026 Fri Oct 23 04:06:57 1998 Richard Earnshaw (rearnsha@arm.com)
4028 * machmode.h (mode_mask_array): No longer const.
4029 * rtl.c (init_rtl): Fully initialize it if EXTRA_CC_MODES defined.
4031 Fri Oct 23 11:19:06 1998 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4033 * frame.c: Somewhat explain `FDE'.
4034 Suggested by Brendan Kehoe
4036 Fri Oct 23 00:56:11 1998 Jason Merrill <jason@yorick.cygnus.com>
4038 * expr.c (pending_chain): Move up.
4039 (save_expr_status): Do save pending_chain.
4040 (restore_expr_status): And restore it.
4041 * function.h (struct function): Add pending_chain.
4043 1998-10-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4045 * reorg.c (relax_delay_slots): Fixed test for mostly_true_jump. The
4046 did not match the code.
4048 Fri Oct 23 00:07:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4050 * regclass.c (regclass): Break out some code into new function
4051 scan_one_insn, and into regclass_init.
4052 (init_cost): New static variable, moved out of regclass.
4053 (regclass_init): Initialize it here, not in .
4054 (scan_one_insn): New static function, broken out of regclass.
4055 * recog.c (apply_change_group): Break out some code into new
4056 function insn_invalid_p.
4057 (insn_invalid_p): New static fn, broken out of apply_change_group.
4059 Thu Oct 22 22:34:42 1998 Jim Wilson <wilson@cygnus.com>
4061 * reload1.c (reload_as_needed): When rewrite POST_INC, verify
4062 reg_reloaded_contents matches incremented pseudo.
4064 * v850/v850.c (v850_reorg): Call alter_subreg. Delete subreg support.
4066 Fri Oct 23 11:11:56 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4068 * rtl.def (POST_MODIFY, PRE_MODIFY): New generalized operators for
4069 addressing modes with side effects. These are currently
4070 placeholders for the C4x target.
4072 Thu Oct 22 16:46:35 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4074 * loop.c (express_from): Make sure that when generating a PLUS of
4075 a PLUS, any constant expression appears on the outermost PLUS.
4077 Thu Oct 22 15:46:23 1998 Per Bothner (bothner@cygnus.com)
4079 * Makefile.in (distdir-cvs, distdir-start): Clean up so it
4080 works if "$(srcdir)" != ".".
4082 Wed Oct 21 19:23:59 1998 Jim Wilson <wilson@cygnus.com>
4084 * expmed.c (store_bit_field): If need to add a SUBREG, then remove
4085 existing SUBREG if we can, otherwise abort.
4087 Wed Oct 21 09:58:51 1998 Mark Mitchell <mark@markmitchell.com>
4089 * c-common.c (c_apply_type_quals_to_decl): Don't crash when
4090 `restrict' is applied to a non-pointer variable.
4092 Wed Oct 21 09:18:58 1998 Mark Mitchell <mark@markmitchell.com>
4094 * invoke.texi: Document -flang-isoc9x.
4096 * Makefile.in (OBJS): Add splay-tree.o.
4097 (c-common.o): Depend on rtl.h.
4098 (splay-tree.o): List dependencies and provide build rule.
4100 * rtl.h (record_alias_subset): New function.
4101 * alias.c: Include splay-tree.h.
4102 (alias_set_entry): New type.
4103 (CHECK_ALIAS_SETS_FOR_CONSISTENCY): Remove.
4104 (DIFFERENT_ALIAS_SETS_P): Use mem_in_disjoint_alias_sets_p.
4105 (mems_in_disjoin_alias_sets_p): New function.
4106 (alias_set_compare): Likewise.
4107 (insert_subset_children): Likewise.
4108 (get_alias_set_entry): Likewise.
4110 * tree.h (TYPE_RESTRICT): New macro.
4111 (TYPE_UNQUALIFIED): New manifest constant.
4112 (TYPE_QUAL_CONST): Likewise
4113 (TYPE_QUAL_VOLATILE): Likewise.
4114 (TYPE_QUAL_RESTRICT): Likewise.
4115 (tree_type): Add restrict_flag. Reduce count of free bits.
4116 (DECL_POINTER_ALIAS_SET): New macro.
4117 (DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
4118 (tree_decl): Add pointer_alias_set.
4119 (build_qualified_type): New function.
4120 (build_type_variant): Define in terms of build_qualified_type.
4121 * tree.c (set_type_quals): New function.
4122 (make_node): Initializae DECL_POINTER_ALIAS_SET.
4123 (build_type_attribute_variant): Use build_qualified_type and
4125 (build_type_variant): Rename, and modify, to become...
4126 (build_qualified_type): New function.
4127 (build_complex_type): Use set_type_quals.
4129 * c-tree.h (C_TYPE_OBJECT_P): New macro.
4130 (C_TYPE_FUNCTION_P): Likewise.
4131 (C_TYPE_INCOMPLETE_P): Likewise.
4132 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
4133 (c_apply_type_quals_to_decl): New function.
4134 (c_build_qualified_type): New function.
4135 (c_build_type_variant): Define in terms of c_build_qualified_type.
4136 (flag_isoc9x): Declare.
4137 * c-typeck.c (qualify_type): Use c_build_qualified_type.
4138 (common_type): Change to use TYPE_QUALS.
4139 (comptypes): Likewise.
4140 (convert_for_assignment): Likewise.
4141 * c-aux-info.c (gen_type): Likewise. Deal with `restrict'.
4142 * c-decl.c (flag_isoc9x): Define.
4143 (c_decode_option): Handle -flang-isoc9x.
4144 (grokdeclarator): Update to handle restrict. Use TYPE_QUALS,
4145 c_build_qualified_type, etc. Use c_apply_type_quals_to_decl.
4146 * c-lex.c (init_lex): Deal with restrict.
4147 (init_lex): Don't treat restrict as a reserved word in
4148 -traditional mode, or without -flang-isoc9x.
4149 * c-lex.h (rid): Add RID_RESTRICT.
4150 * c-parse.gperf (restrict, __restrict, __restrict__): Make
4151 equivalent to RID_RESTRICT.
4152 * c-parse.in (TYPE_QUAL): Update comment.
4153 * c-common.c: Include rtl.h.
4154 (c_find_base_decl): New function.
4155 (c_build_type_variant): Rename, and modify, to become ...
4156 (c_build_qualified_type): New function.
4157 (c_apply_type_quals_to_decl): Likewise.
4158 (c_get_alias_set): For INDIRECT_REFs, check to see if we can find
4159 a particular alias set for the reference.
4160 * toplev.c (documented_lang_options): Add -flang-isoc9x.
4162 Wed Oct 21 09:15:06 1998 Nick Clifton <nickc@cygnus.com>
4164 * config/arm/arm.h (TARGET_SWITCHES): Document arm specific
4165 command line switches.
4167 Tue Oct 20 10:04:51 1998 Graham <grahams@rcp.co.uk>
4169 * reload.c (loc_mentioned_in_p): Add missing braces to bind
4172 Mon Oct 19 16:34:05 1998 Tom Tromey <tromey@cygnus.com>
4174 * gcc.c (option_map): Added --classpath and --CLASSPATH.
4176 Tue Oct 20 10:59:02 1998 Gavin Romig-Koch <gavin@cygnus.com>
4178 * regclass.c (fix_register): Add error message.
4179 * invoke.texi (-fcall-used-REG,-fcall-saved-REG): Note the
4182 Tue Oct 20 10:12:17 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4184 * c-decl.c (warn_missing_noreturn): New global variable.
4185 (c_decode_option): Check for new flags -W{no-}missing-noreturn.
4186 (finish_function): Implement missing noreturn warning.
4188 * c-tree.h (warn_missing_noreturn): Declare extern.
4190 * invoke.texi: Document new flags.
4192 * toplev.c (documented_lang_options): Add description.
4194 Tue Oct 20 22:16:11 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4196 * config/c4x/c4x.c (c4x_parallel_process): Disable until BCT
4197 loop optimization stable for the C4x.
4198 (c4x_rptb_info_t, c4x_dump, c4x_rptb_in_range, c4x_rptb_unjumped_loop,
4199 c4x_rptb_find_comp_and_jump, c4x_rptb_loop_info_get,
4200 c4x_rptb_emit_init, c4x_rptb_process): Deleted (superceded by BCT
4202 (c4x_address_conflict): Be more paranoid when packing a volatile
4203 memref in a parallel load/store.
4205 Tue Oct 20 21:56:05 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4207 * config/c4x/c4x.md (repeat_block_top, repeat_block_end,
4208 repeat_block_filler): Deleted.
4209 (*ashlqi3_set, *ashrqi3_const_set, *ashrqi3_nonconst_clobber):
4210 Condition code not set if destination register from 'c' class.
4211 (*subbqi3_carry_clobber): Fix typo.
4213 1998-10-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4215 * reorg.c (steal_delay_list_from_target) Check for insns that
4216 modify the condition codes and effect the direction of the jump
4219 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4221 * function.c (purge_addressof_1): Replace call to
4222 emit_insns_before() with emit_insn_before().
4224 Mon Oct 19 19:34:03 1998 Mike Stump <mrs@wrs.com>
4226 * libgcc2.c (__pure_virtual): Call __terminate instead of _exit.
4228 Mon Oct 19 13:26:24 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4230 * jump.c (sets_cc0_p): Compile only if HAVE_cc0.
4232 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4234 * gcse.c (compute_hash_table): Correctly identify hard regs which are
4235 clobbered across calls.
4237 * loop.c (scan_loop): Be more selective about what invariants are
4238 moved out of a loop.
4240 Mon Oct 19 10:46:58 PDT 1998 Jeff Law (law@cygnus.com)
4242 * version.c: Bump for snapshot.
4244 Mon Oct 19 11:40:56 1998 Jeffrey A Law (law@cygnus.com)
4246 * libgcc2.c (eh_context_static): Do not call malloc to allocate the
4247 static eh_context structure.
4249 Mon Oct 19 10:45:40 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4251 * combine.c (recog_for_combine): Lose PADDED_SCRATCHES arg. All
4253 (try_combine): Don't update max_scratch.
4254 * flow.c (max_scratch, num_scratch): Delete variables.
4255 (life_analysis_1): Don't initialize max_scratch.
4256 (propagate_block): Don't update max_scratch.
4257 (mark_set_1): Don't increment num_scratch.
4258 * regs.h (max_scratch): Delete declaration.
4260 Mon Oct 19 10:28:15 1998 Jeffrey A Law (law@cygnus.com)
4262 * reload1.c (reload_reg_free_before_p): Hack. Return 0 if EQUIV
4263 is nonzero. This is temporary!
4265 * sched.c (update_flow_info): Handle death notes made invalid by
4266 instruction splitting. Partially reverts Oct 15, 1998 patch.
4267 * haifa-sched.c (update_flow_info): Likewise.
4269 Sun Oct 18 17:31:26 1998 Jeffrey A Law (law@cygnus.com)
4271 * function.c (uninitialized_vars_warning): Do not warn for a VAR_DECL
4272 if it has a nonzero DECL_INITIAL.
4274 Sat Oct 17 23:18:08 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4276 * Makefile.in (flow.o): Depend on recog.h.
4278 * cpplib.h (directive_table): Add missing initializiers.
4279 (finclude): Change type of variable `bsize' to size_t.
4281 * cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
4283 * dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
4285 * fix-header.c (lookup_std_proto): Cast the result of `strlen' to
4286 `int' when comparing against one.
4287 (cpp_file_line_for_message): Mark parameter `pfile' with
4289 (cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
4291 * flow.c: Include recog.h.
4292 (sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
4294 * function.c (thread_prologue_and_epilogue_insns): Mark parameter
4295 `f' with ATTRIBUTE_UNUSED.
4296 (reposition_prologue_and_epilogue_notes): Likewise.
4298 * genopinit.c (gen_insn): Cast argument of ctype functions to
4301 * haifa-sched.c: Include recog.h.
4302 (blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
4303 comparing against one.
4305 * libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
4307 * mips-tfile.c (parse_end): Cast the argument of ctype function to
4309 (parse_ent): Likewise.
4310 (parse_input): Likewise.
4312 * optabs.c (init_libfuncs): Likewise.
4314 * protoize.c (find_rightmost_formals_list): Likewise.
4316 * recog.h (const_double_operand): Fix typo in prototype.
4318 * tlink.c (scan_linker_output): Cast the argument of ctype
4319 function to `unsigned char'.
4321 * toplev.c (check_lang_option): Cast the result of `strlen' to
4322 `int' when comparing against one.
4324 Sat Oct 17 13:09:09 1998 Graham <grahams@rcp.co.uk>
4326 * gcse.c (dump_cuid_table): Correct typo.
4328 Sat Oct 17 11:02:47 1998 Nick Clifton <nickc@cygnus.com>
4330 * toplev.c (display_help): Prepend '-m' to target specific
4332 (check_lang_option): Ignore text after end of first word of a
4333 language specific option.
4335 Sat Oct 17 02:26:03 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4337 * reload1.c (reg_used_by_pseudo): New static variable.
4338 (choose_reload_regs): Initialize it.
4339 Use it instead of testing spill_reg_order to determine whether a
4340 pseudo is live in a hard register across the current insn.
4341 Fix a typo in a reference to reload_reg_rtx.
4343 * flow.c (propagate_block): Replace code that computes and uses
4344 regs_sometimes_live with simpler code that just walks the set of
4345 currently live registers.
4347 * Makefile.in (insn-extract.o): Fix dependencies.
4348 * genextract.c (main): Generate includes for insn-config.h and
4350 Delete generation of declarations which are now in recog.h.
4351 * genrecog.c (main): Delete generation of definitions which are
4353 * local-alloc.c (block_alloc): Use extract_insn and the variables
4354 it sets up instead of looking up values by insn_code.
4355 * recog.c (recog_operand, recog_operand_loc, recog_dup_loc,
4356 recog_dup_num): Define here instead of generating the definition in
4358 (recog_n_operands, recog_n_dups, recog_n_alternatives,
4359 recog_operand_mode, recog_constraints, recog_operand_address_p):
4361 (extract_insn): New function.
4362 * recog.h (extract_insn): Declare function.
4363 (which_alternative, recog_n_operands, recog_n_dups,
4364 recog_n_alternatives, recog_operand_mode, recog_constraints,
4365 recog_operand_address_p): Declare variables.
4366 * regclass.c (n_occurrences): New static function.
4367 * reload.c (n_occurrences): Delete function.
4368 (find_reloads): Use extract_insn.
4369 * reload.h (n_occurrences): Delete declaration.
4371 Sat Oct 17 01:17:51 1998 Jeffrey A Law (law@cygnus.com)
4373 * reload1.c (reload_as_needed): Fix test for when to call
4374 update_eliminable_offsets.
4376 Fri Oct 16 20:40:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4378 Fix consistency problems with reg_equiv_{mem,address};
4379 Improve reload inheritance;
4381 * reload.c (reload_out_reg): New variable.
4382 (loc_mentioned_in_p, remove_address_replacements): New functions.
4383 (remove_replacements): Deleted.
4384 (push_reload): Set reload_out_reg[i].
4385 When merging, also set reload_{in,out}_reg[i], and remove
4386 duplicate address reloads.
4387 (combine_reloads): Copy reload_out_reg[i].
4388 (find_reloads): Do make_memloc substitution also when
4389 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4391 Include *recog_operand_loc in commutativity operand changes.
4392 Generate optional output reloads.
4393 Delete reference to n_memlocs. Don't set *recog_operand_loc before
4394 processing operands. Call make_memloc in reg_equiv_address code.
4395 Set *recog_operand_loc only after processing operands, and only
4396 if replace is true. Return a value.
4397 When changing address reload types for operands that didn't get
4398 reloaded, use RELOAD_FOR_OPADDR_ADDRESS for
4399 RELOAD_FOR_INPADDR_ADDRESS / RELOAD_FOR_OUTADDR_ADDRESS reloads.
4400 Don't emit USEs for pseudo SUBREGs when not replacing.
4401 (find_reloads_address): Do make_memloc substitution also when
4402 reg_equiv_memory_loc[regno] and num_not_at_initial_offset
4404 (find_reloads_toplev): Likewise.
4405 Call make_memloc in reg_equiv_address code.
4406 (debug_reload_to_stream): Add code to output reload_out_reg.
4407 (make_memloc): Delete local variable i, ifdefed out code, and
4408 references to memlocs and n_memlocs.
4409 (memlocs, n_memlocs): Delete.
4410 (push_secondary_reload): Clear reload_out_reg.
4411 (find_reloads_address_1): Provide memrefloc argument to all calls
4412 to find_reloads_address.
4413 In AUTO_INC code, handle non-directly addressable equivalences properly.
4414 * reload.h (reload_out_reg, num_not_at_initial_offset): Declare.
4415 (find_reloads): Add return type.
4416 (remove_address_replacements, deallocate_reload_reg): Declare.
4417 * reload1.c (num_not_at_initial_offset): No longer static.
4418 (delete_address_reloads, delete_address_reloads_1): Likewise.
4419 (deallocate_reload_reg): New function.
4420 (spill_reg_stored_to): New array.
4421 (eliminate_regs): Don't substitute from reg_equiv_memory_loc.
4422 (eliminate_regs_in_insn): Move assignments of previous_offset and
4423 max_offset fields, and recalculation of num_not_at_initial_offset
4424 into new static function:
4425 (update_eliminable_offsets) .
4426 (reload_as_needed): Call update_eliminable_offsetss after calling
4428 Call forget_old_reloads_1 with contents of reloaded auto_inc
4429 expressions if the actual addressing can't be changed to match the
4431 (choose_reload_regs): For inheritance, replace
4432 reload_reg_free_before_p test with reload_reg_used_at_all test, and
4433 remove stand-alone reload_reg_used_at_all test.
4434 Use reload_out_reg to determine which reload regs have output reloads.
4435 Treat reload_override_in more similar to inherited reloads.
4436 Handle (subreg (reg... for inheritance.
4437 For flag_expensive_optimizations, add an extra pass to remove
4438 unnecessary reloads from known working inheritance.
4439 Delete obsolete code for pseudos replaced with MEMs.
4440 Handle inheritance from auto_inc expressions.
4441 (emit_reload_insns): If reload_in is a MEM, set OLD to
4443 Don't reload directly from oldequiv; if it's a pseudo with a
4444 stack slot, use reload_in[j].
4445 Check that reload_in_reg[j] is a MEM before replacing reload_in
4446 from reg_reloaded_contents.
4447 Include non-spill registers in reload inheritance processing.
4448 Also try to use reload_out_reg to set spill_reg_store /
4449 reg_last_reload_reg.
4450 In code to set new_spill_reg_store, use single_set to find out if
4451 there is a single set.
4452 Add code that allows to delete optional output reloads.
4453 Add code to allow deletion of output reloads that use no spill reg.
4454 At the end, set reload_override_in to oldequiv.
4455 Also call delete_output_reload if reload_out_reg is equal to old
4457 Add code to call delete_output_reload for stores with no matching load.
4458 Set / use spill_reg_stored_to.
4459 Handle case where secondary output reload uses a temporary, but
4460 actual store isn't found.
4461 When looking for a store of a value not loaded in order to call
4462 delete_output_reload, count_occurences should return 0 for no
4463 loads; but discount inherited input reloadill_reg_stored_to.
4464 Do checks for extra uses of REG. Changed all
4466 Use delete_address_reloads.
4467 (reload): Take return value of find_reloads into account.
4468 If a no-op set needs more than one reload, delete it.
4469 (reload_reg_free_before_p): RELOAD_FOR_INPUT
4470 can ignore RELOAD_FOR_INPUT_ADDRESS / RELOAD_FOR_INPADDR_ADDRESS
4471 for the same operand.
4472 (clear_reload_reg_in_use): Check for other reloads that keep a
4474 (reload_reg_free_for_value_p): handle RELOAD_FOR_OPERAND_ADDRESS /
4475 RELOAD_FOR_OPADDR_ADDR.
4476 Take into account when an address address reload is only needed
4477 for the address reload we are considering.
4478 (count_occurrences): Use rtx_equal_p for MEMs.
4479 (inc_for_reload): Return instruction that stores into RELOADREG.
4480 New argument two, IN, and rtx. Changed all callers.
4481 (calculate_needs_all_insns, reload_as_needed):
4482 Don't clear after_call for a CLOBBER.
4483 Keep track of how many hard registers need to be copied from
4484 after_call, and don't clear after_call before we have seen
4485 that much copies, or we see a different instruction.
4487 Fri Oct 16 10:58:23 1998 Jeffrey A Law (law@cygnus.com)
4489 * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
4490 after reload has completed.
4492 Fri Oct 16 17:26:10 1998 Dave Brolley <brolley@cygnus.com>
4494 * cpplib.c (cpp_get_token): Replace whitespace that occurs between
4495 a macro name and the next token with a single blank if that whitespace
4496 is in a macro buffer and the next token is not '('.
4498 Fri Oct 16 15:44:02 1998 Dave Brolley <brolley@cygnus.com>
4500 * cccp.c (rescan): Handle multibyte chartacters ending in backslash.
4502 (skip_if_group): Ditto.
4503 (skip_to_end_of_comment): Ditto.
4505 (discard_comments): Ditto.
4506 (change_newlines): Ditto.
4508 Fri Oct 16 15:26:24 1998 Dave Brolley <brolley@cygnus.com>
4510 * c-lex.c (yylex): Fix unaligned access of wchar_t.
4512 Fri Oct 16 10:47:53 1998 Nick Clifton <nickc@cygnus.com>
4514 * config/arm/arm.h (TARGET_SWITCHES): Add --help documentation.
4515 (TARGET_OPTIONS): Add --help documentation.
4517 Fri Oct 16 11:49:01 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4519 * rtl.h (sets_cc0_p): Revert Oct 14 ATTRIBUTE_NORETURN change.
4521 Fri Oct 16 07:08:46 1998 Bruce Korb <korb@datadesign.com>
4523 * fixinc/* Moved in from ../contrib directory in preparation
4524 for integrating it into the normal build process. In particular,
4525 fixinc/Makefile.in must be config-ed into the build directory
4526 as fixinc/Makefile. Proposed patches to ./Makefile.in and
4527 ./configure.in will be "in the mail" momentarily.
4529 Fri Oct 16 08:13:46 1998 David S. Miller <davem@pierdol.cobaltnet.com>
4531 * cse.c (cse_basic_block): Fixup hash flushing loop so we do not
4532 accidently walk into the free list. Comment how that can happen.
4533 (invalidate): Fix indentation.
4535 Thu Oct 15 23:53:29 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4536 Jeffrey A Law (law@cygnus.com)
4538 * flow.c (life_analysis_1): Do not clobber regs_ever_live after
4539 reload. Never perform rescans of the insn chain after reload.
4540 (propagate_block): Do not delete insn or create new autoinc addressing
4543 * jump.c (jump_optimize): Unconditionally use the code that was
4544 previously conditional on PRESERVE_DEATH_INFO_REGNO_P.
4545 * reload1.c (reload): When reloading is finished, delete all
4546 REG_DEAD and REG_UNUSED notes.
4547 (emit_reload_insns): Delete all code that was conditional on
4548 PRESERVE_DEATH_INFO_REGNO_P.
4549 (no_longer_dead_regs): Delete variable.
4550 (reload_cse_delete_death_notes): Delete function.
4551 (reload_cse_no_longer_dead): Delete function.
4552 (reload_cse_regs_1): Delete all code to handle deletion of death
4554 (reload_cse_noop_set_p): Likewise.
4555 (reload_cse_simplify_set): Likewise.
4556 (reload_cse_simplify_operands): Likewise.
4557 (reload_cse_move2add): Likewise.
4558 * reorg.c (used_spill_regs): Delete declaration.
4559 (max_label_num_after_reload): Delete declaration.
4560 (find_dead_or_set_registers): Don't assume that spill regs are
4561 dead at a CODE_LABEL.
4562 * rtlanal.c (dead_or_set_regno_p): Death notes are always accurate,
4564 * sched.c (sched_analyze_insn): Likewise.
4565 (update_flow_info): Likewise.
4566 * haifa-sched.c (sched_analyze_insn): Likewise.
4567 (update_flow_info): Likewise.
4568 * tm.texi (PRESERVE_DEATH_INFO_REGNO_P): Delete documentation.
4569 * toplev.c (max_label_num_after_reload): Delete variable.
4570 (rest_of_compilation): Don't set max_label_num_after_reload.
4571 Call life_analysis after reload_cse_regs if optimizing.
4572 * config/gmicro/gmicro.h: Delete comment referring to
4573 PRESERVE_DEATH_INFO_REGNO_P.
4574 * config/i386/i386.h: Likewise.
4575 * config/m88k/m88k.h: Likewise.
4576 * config/m32r/m32r.h (PRESERVE_DEATH_INFO_REGNO_P): Delete definition.
4577 * config/sh/sh.h: Likewise.
4579 Thu Oct 15 19:48:41 1998 David Edelsohn <edelsohn@mhpcc.edu>
4581 * loop.c (strength_reduce): Restore marking bct_p as
4583 * rs6000.c (optimization_options): Change #ifdef HAIFA to
4584 HAVE_decrement_and_branch_on_count.
4585 (small_data_operand): Remove TARGET_ELF condition for marking
4586 parameters ATTRIBUTE_UNUSED.
4588 Thu Oct 15 11:45:51 1998 Robert Lipe <robertl@dgii.com>
4590 * config/i386/sco5.h (MAX_OFILE_ALIGNMENT): Define.
4591 (SELECT_SECTION): Resync with svr4.h.
4593 Thu Oct 15 12:42:13 1998 David Edelsohn <edelsohn@mhpcc.edu>
4595 * loop.c (strength_reduce): Undo Oct 14 change marking bct_p
4598 Thu Oct 15 00:57:55 1998 Robert Lipe <robertl@dgii.com>
4600 * c-pragma.c (handle_pragma_token): Test for null tree before
4601 dereferencing TREE_CODE.
4603 Thu Oct 15 17:36:48 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4605 * config/c4x/c4x.c: Convert to use GEN_INT.
4606 (c4x_parallel_process): Rework to handle new repeat loop structure.
4608 * config/c4x/c4x.md: Convert to use GEN_INT.
4609 (rptb_end): Convert to use GE test. Replace uses with clobbers.
4610 (decrement_and_branch_on_count): Likewise.
4612 * config/c4x/c4x.h (REPEAT_BLOCK_PROCESS): Deleted hook now that
4613 loop.c has the desired functionality.
4614 (rc_reg_operand): New prototype.
4616 * config/c4x/t-c4x: Can now build all front ends.
4618 Wed Oct 14 23:27:08 1998 Didier FORT (didier.fort@fedex.com)
4620 * fixincludes: Fix up rpc/{clnt,svr,xdr}.h for SunOS.
4622 Wed Oct 14 22:13:28 1998 Joel Sherrill (joel@OARcorp.com)
4624 * Makefile.in (stmp-fixinc): Do not install assert.h if not desired.
4625 * config/t-rtems: Do not install assert.h -- use newlib's.
4627 Wed Oct 14 21:57:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4629 * combine.c (combine_instructions): When finished, call init_recog.
4630 * regmove.c (optimize_reg_copy_3): Reject volatile MEMs.
4632 Wed Oct 14 16:10:22 1998 Per Bothner <bothner@cygnus.com>
4634 * toplev.c: If flag_syntax_only, don't open or write assembler file.
4636 Wed Oct 14 13:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4638 * cppalloc.c (memory_full): Mark function prototype with
4641 * demangle.h (collect_exit): Likewise.
4643 * fix-header.c (v_fatal, fatal): Likewise.
4645 * gcc.c (pfatal_with_name, pfatal_pexecute, fatal, fancy_abort):
4648 * gcov.c (print_usage): Likewise.
4650 * genattr.c (fatal, fancy_abort): Likewise.
4652 * genattrtab.c (fatal, fancy_abort): Likewise.
4654 * gencodes.c (fatal, fancy_abort): Likewise.
4656 * genconfig.c (fatal, fancy_abort): Likewise.
4658 * genemit.c (fatal, fancy_abort): Likewise.
4660 * genextract.c (fatal, fancy_abort): Likewise.
4662 * genflags.c (fatal, fancy_abort): Likewise.
4664 * genopinit.c (fatal, fancy_abort): Likewise.
4666 * genoutput.c (fatal, fancy_abort): Likewise.
4668 * genpeep.c (fatal, fancy_abort): Likewise.
4670 * genrecog.c (fatal, fancy_abort): Likewise.
4672 * libgcc2.c (__eprintf, __default_terminate, __sjthrow,
4673 __sjpopnthrow, __throw): Likewise.
4675 * objc/objc-act.c (objc_fatal): Likewise.
4677 * protoize.c (usage, aux_info_corrupted,
4678 declare_source_confusing): Likewise.
4680 * rtl.c (dump_and_abort): Likewise.
4682 * rtl.h (sets_cc0_p): Likewise.
4684 * toplev.c (float_signal, pipe_closed): Likewise.
4686 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4688 * dwarf2out.c (expand_builtin_dwarf_reg_size): Look at all ranges
4689 when generating the decision tree for the general case.
4691 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Don't accept modes
4692 wider that 12 bytes in fpu regs or wider than 8 byte in fpa regs.
4694 Wed Oct 14 11:14:02 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4696 * Makefile.in (sched.o): Depend on recog.h.
4698 * alias.c (REG_BASE_VALUE): Cast the result of REGNO() macro to
4699 (unsigned) when comparing against one.
4700 (find_base_value): Likewise.
4701 (record_base_value): Cast variable `regno' to (unsigned) when
4702 comparing against one. Cast the result of REGNO() macro to
4703 (unsigned) when comparing against one.
4704 (memrefs_conflict_p): Change type of variables `r_x' and `r_y' to
4706 (init_alias_analysis): Add unsigned variable `ui'. Use it as loop
4707 variable where an unsigned index is needed.
4709 * caller-save.c (init_caller_save): Cast `-1' to (enum insn_code)
4710 before comparing against one.
4712 * collect2.c: Add prototypes for functions `error', `fatal' and
4713 `fatal_perror'. Make these functions take variable arguments
4714 instead of faking it with a fixed number of args.
4715 (write_c_file_stat): Cast the argument of ctype macro to (unsigned
4718 * combine.c (can_combine_p): Mark parameter `pred' with
4720 (find_split_point): Cast variable `src' to (unsigned
4721 HOST_WIDE_INT) when comparing against one.
4722 (simplify_rtx): Cast 1 to (unsigned HOST_WIDE_INT) in shift.
4723 (simplify_logical): Likewise.
4724 (force_to_mode): Cast result of INTVAL() macro to (unsigned
4725 HOST_WIDE_INT) when comparing against one. Cast 1 to (unsigned
4726 HOST_WIDE_INT) in shift.
4727 (simplify_and_const_int): Cast result of INTVAL() macro to
4728 `unsigned HOST_WIDE_INT' when comparing against one.
4729 (merge_outer_ops): Cast variable const0 to `unsigned
4730 HOST_WIDE_INT' when comparing against the result of
4731 GET_MODE_MASK() macro.
4732 (simplify_comparison): Likewise for variable `c0'. Cast variable
4733 `const_op' to `unsigned HOST_WIDE_INT' when comparing against
4734 one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast the
4735 result of `GET_MODE_MASK()/2' to `HOST_WIDE_INT' when comparing
4736 against one. Cast `1' to `unsigned HOST_WIDE_INT' in shift. Cast
4737 result of INTVAL() macro to `unsigned HOST_WIDE_INT' when
4738 comparing against one.
4739 (distribute_notes): Wrap variable `cc0_setter' in macro `HAVE_cc0'.
4741 config/mips/mips.c (gen_int_relational): Cast result of INTVAL()
4742 macro to `unsigned HOST_WIDE_INT' when comparing against one.
4743 (output_block_move): Cast `sizeof' expression to (int) when
4744 comparing against one.
4745 (function_arg): Cast BITS_PER_WORD to `unsigned' when comparing
4747 (save_restore_insns): Cast `base_offset' to `long' to match format
4748 specifier in fprintf.
4750 * config/mips/mips.h (Pmode): Cast the result of `Pmode' macro
4751 to `enum machine_mode'.
4753 * flow.c (life_analysis_1): Remove unused variable `insn'.
4755 * gcc.c (translate_options): Move variables `j' and `k' into the
4756 scope in which they are used. Change their types to `size_t'.
4757 (set_spec): Cast the argument of ctype macro to `unsigned char'.
4758 (read_specs): Likewise.
4759 (process_command): Cast `sizeof' to (int) when comparing against one.
4760 (do_spec_1): Cast the argument of ctype macro to `unsigned char'.
4761 (handle_braces): Cast both sides of `==' expression to `long' to
4762 ensure sign matching.
4763 (main): Cast variable `i' to `int' when comparing against one.
4765 * gcov-io.h (__fetch_long): Change type of parameter `bytes' from
4766 int to size_t. Cast variable `i' to size_t when comparing against
4769 * genattrtab.c (convert_set_attr_alternative): Remove unused
4770 parameter `insn_code'. All callers changed.
4771 (convert_set_attr): Likewise.
4773 * genrecog.c (add_to_sequence): Cast result of XVECLEN() macro to
4774 size_t when comparing against one. Likewise for variable `len'.
4776 * global.c (global_alloc): Cast variable `max_regno' to size_t
4777 when comparing against one. Likewise for variable `max_allocno'.
4779 * jump.c (sets_cc0_p): Mark parameter `x' with ATTRIBUTE_UNUSED.
4781 * local-alloc.c (validate_equiv_mem_from_store): Mark parameter
4782 `set' with ATTRIBUTE_UNUSED.
4783 (find_free_reg): Cast `sizeof' expression to (int) when comparing
4786 * loop.c (count_loop_regs_set): Remove unused variable `dest'.
4787 (strength_reduce): Mark parameter `bct_p' with ATTRIBUTE_UNUSED.
4788 (get_condition): Cast variable `const_val' to `unsigned
4789 HOST_WIDE_INT' when comparing against one. Cast unsigned
4790 expression to HOST_WIDE_INT when comparing against one.
4791 (insert_loop_mem): Mark parameter `data' with ATTRIBUTE_UNUSED.
4792 (load_mems_and_recount_loop_regs_set): Cast variable `nregs' to
4793 `unsigned' when comparing against one.
4795 * protoize.c (is_id_char): Change type of parameter `ch' to
4797 (munge_compile_params): Cast argument of ctype macro to (const
4799 (process_aux_info_file): Cast variable `aux_info_size' to int when
4800 comparing against one.
4801 (forward_to_next_token_char): Cast argument of ctype macro to
4802 `const unsigned char'.
4803 (edit_formals_lists): Likewise.
4804 (find_rightmost_formals_list): Likewise.
4805 (add_local_decl): Likewise.
4806 (add_global_decls): Likewise.
4807 (edit_fn_definition): Likewise.
4808 (do_cleaning): Likewise.
4809 (scan_for_missed_items): Likewise.
4810 (edit_file): Cast variable `orig_size' to (int) when comparing
4812 (main): Cast argument of ctype macro to `const unsigned char'.
4814 * recog.c (const_int_operand): Mark parameter `mode' with
4817 * regclass.c (record_reg_classes): Change type of variable `c' to
4818 `unsigned char'. Cast `char' array index to `unsigned char'.
4820 * reload.c (push_secondary_reload): Cast argument to
4821 REG_CLASS_FROM_LETTER() macro to `unsigned char'.
4823 * reload1.c (calculate_needs): Cast `char' array index to
4825 (set_label_offsets): Change type of variable `i' to unsigned int.
4826 Cast result of XVECLEN() macro to unsigned when comparing against
4828 (mark_not_eliminable): Change type of variable `i' to unsigned.
4829 (order_regs_for_reload): Likewise. Cast `max_regno' to unsigned
4830 when comparing against one.
4831 (reload_as_needed): Cast macro NUM_ELIMINABLE_REGS to (int) when
4832 comparing against one.
4833 (choose_reload_regs): Hide unused label `fail'.
4834 (reload_cse_simplify_operands): Cast `char' array index to
4836 (reload_combine_note_store): Mark parameter `set' with
4837 ATTRIBUTE_UNUSED. Cast UNITS_PER_WORD to unsigned when comparing
4839 (reload_cse_move2add): Remove unused variable `src2'.
4841 * sched.c: Include recog.h.
4842 (sched_note_set): Remove unused parameter `b'. All callers
4844 (split_hard_reg_notes): Likewise for parameter `orig_insn'.
4845 (blockage_range): Cast result of UNIT_BLOCKED() macro to (int)
4846 when comparing against one.
4848 * stupid.c (stupid_find_reg): Mark parameter `changes_size' with
4849 ATTRIBUTE_UNUSED. Cast `sizeof' expression to (int) when
4850 comparing against one.
4852 * unroll.c (precondition_loop_p): Remove unused parameter
4853 `loop_end'. All callers changed.
4855 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4857 * reload1.c (maybe_fix_stack_asms): New static function.
4860 * reload.h (compute_use_by_pseudos): Declare.
4862 * reload1.c (spilled_pseudos, insns_need_reload): New variables.
4863 (something_needs_reloads): Delete variable.
4864 (finish_spills): New function.
4865 (compute_use_by_pseudos): New function.
4867 (delete_caller_save_insns): Lose argument FIRST. All callers changed.
4868 Use the reload_insn_chain instead of walking the rtl directly.
4870 (reload): Allocate and free spilled_pseudos.
4871 Ensure that all calls of spill_hard_reg are followed by a call to
4873 Use the insns_need_reload list instead of something_needs_reloads
4874 to find out if reload_as_needed must be called.
4875 Clear unused_insn_chains at the end.
4877 (calculate_needs_all_insns): Lose FIRST parameter. All callers
4879 Delete code to keep track of current basic block.
4880 Walk reload_insn_chain instead of the rtl structure. Build the
4881 insns_need_reload chain.
4882 Remember which insns need reloading/elimination by setting the
4883 appropriate fields in struct insn_chain, not by putting modes on the
4886 (calculate_needs): Lose THIS_BLOCK arg. Accept arg CHAIN instead of
4887 arg INSN. All callers changed.
4888 Delete declaration of struct needs.
4889 Don't set something_needs_reloads.
4890 Record insn needs in the CHAIN argument.
4892 (spill_hard_reg): Record the affected pseudos in spilled_pseudos.
4894 (reload_as_needed): Lose FIRST arg. All callers changed.
4895 Walk the reload_insn_chain instead of the rtx structure.
4896 Delete code to keep track of current basic block.
4897 Rename one of the NEXT variables to OLD_NEXT.
4899 (allocate_reload_reg): Accept arg CHAIN instead of arg INSN. All
4901 (choose_reload_regs): Likewise.
4903 (emit_reload_insns): Replace INSN and BB args with arg CHAIN. All
4906 * caller-save.c (MOVE_MAX_WORDS): New macro. Use it throughout
4907 instead of (MOVE_MAX / UNITS_PER_WORD) computation.
4908 (hard_regs_live, hard_regs_need_restore): Delete variables.
4909 (n_regs_saved): Now static.
4910 (referenced_regs, this_insn_sets): New variables.
4912 (setup_save_areas): Restructure the code a bit.
4914 (restore_referenced_regs): Delete function.
4915 (mark_referenced_regs): New function, similar to the old
4916 restore_referenced_regs, but mark registers in referenced_regs.
4918 (clear_reg_live): Delete function.
4919 (mark_set_regs): Renamed from set_reg_live. All callers changed.
4920 Only mark registers in this_insn_sets.
4922 (save_call_clobbered_regs): Rework this function to walk the
4923 reload_insn_chain instead of using the list of instructions directly.
4924 Delete code to keep track of register lives, compute live regs on the
4925 fly from information in the chain.
4926 Instead of calling restore_referenced_regs, use mark_referenced_regs,
4927 then walk the set it computes and call insert_restore as appropriate.
4929 (insert_restore): Lose INSN and BLOCK args. Add CHAIN arg. All
4931 Restructure the code a bit. Test hard_regs_saved instead of
4932 hard_regs_need_restore.
4933 (insert_save): Lose INSN and BLOCK args. Add CHAIN and TO_SAVE
4934 args. All callers changed.
4935 Restructure the code a bit. Use TO_SAVE to determine which regs to
4936 save instead of more complicated test.
4937 (insert_one_arg): Lose INSN and BLOCK args. Add CHAIN arg. All
4939 Create a new insn_chain structure for the new insn and place it
4942 * rtl.texi: Update documentation to reflect that reload no longer
4943 puts modes on the insns.
4945 1998-10-14 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
4947 * function.c (purge_addressof_1): Force the first argument of a
4948 CALL insn to memory.
4950 Wed Oct 14 00:38:40 1998 Jeffrey A Law (law@cygnus.com)
4952 * rtl.h: Delete duplicate prototypes. Add some missing
4954 * rtlanal.c: (for_each_rtx): Formatting tweak.
4956 1998-10-13 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4958 * real.c (emdnorm and etoasc): Disable round to even for c4x target
4959 to be compatible with TI compiler.
4961 * Makefile.in (USER_H): Add va-c4x.h to definition.
4963 Tue Oct 13 23:03:37 1998 Richard Henderson <rth@cygnus.com>
4965 * function.c (purge_addressof_1): Fix typo in inequality: do
4966 bitfield optimization for equal mode sizes.
4967 * expmed.c (store_bit_field): Don't take subregs of subregs in
4968 the movstrict case. Tidy a potential problem in the multi-word case.
4969 (extract_bit_field): Likewise.
4971 Tue Oct 13 22:12:11 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
4973 * flow.c (find_basic_blocks): Emit NOPs after normal calls in this
4975 Compute max_uid_for_flow by calling get_max_uid after the scan.
4976 (find_basic_blocks_1): Don't emit NOPs here.
4978 Tue Oct 13 22:05:49 1998 Richard Henderson <rth@cygnus.com>
4980 * alias.c (base_alias_check): Accept new args for the modes of the
4981 two references. Use them to determine if an AND can overlap. Update
4983 (memrefs_conflict_p): Assume sizes are aligned, and uses them
4984 to determine if an AND can overlap.
4986 Tue Oct 13 17:51:04 1998 Jim Wilson <wilson@cygnus.com>
4988 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): For FP regs, add REGNO >= 16
4989 check. Add comment to document problems with TARGET_SUN_FPA version
4991 * config/m68k/m68k.md (movxf+1): Support 'r'/'r' moves.
4993 Tue Oct 13 17:46:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4995 * Makefile.in (gencheck.o): Depend on gansidecl.h.
4997 * c-common.c (print_char_table): Add missing initializers.
4998 (scan_char_table): Likewise.
4999 (time_char_table): Likewise.
5001 * c-decl.c (c_decode_option): Mark parameter `argc' with
5003 (declare_parm_level): Mark parameter `definition_flag' with
5006 * c-lex.c (readescape): Use `(unsigned)1' in shift.
5007 (yylex): Likewise. Cast `sizeof' to an (int) when comparing
5010 * calls.c (store_one_arg): Remove unused parameter `fndecl'. All
5012 (emit_call_1): Mark parameters `fndecl' and `funtype' with
5014 (expand_call): Cast result of MIN() to (unsigned int) when
5015 comparing against an unsigned value.
5017 * cccp.c (pcfinclude): Remove unused parameter `limit'. All
5019 (make_definition): Remove unused parameter `op'. All callers
5021 (create_definition): Cast REST_EXTENSION_LENGTH to (long) when
5022 comparing against the result of pointer arithmetic.
5024 * config/mips/mips.h (FUNCTION_ARG_BOUNDARY): Cast to (unsigned)
5025 when comparing against one.
5027 * dwarf2out.c (dwarf2out_frame_debug): Cast REGNO() and
5028 HARD_FRAME_POINTER_REGNUM to (unsigned) when comparing against
5030 (output_die): Move variable `i' into the scope in which it is
5031 used. Change its type to `unsigned'.
5032 (output_die): Cast the result of `strlen' to (int) when passing it
5033 to ASM_OUTPUT_ASCII().
5034 (output_pubnames): Likewise.
5035 (output_line_info): Likewise.
5037 * emit-rtl.c (global_rtl): Add missing initializers.
5039 * explow.c (promote_mode): Mark parameter `for_call' with
5042 * expmed.c (expand_shift): Cast the result of GET_MODE_BITSIZE to
5043 `unsigned HOST_WIDE_INT' when comparing against one.
5044 (synth_mult): Change type of variable `cost' to int.
5045 (emit_store_flag): Use `(unsigned HOST_WIDE_INT) 1' in shift.
5047 * expr.c (copy_blkmode_from_reg): Cast BITS_PER_WORD to (unsigned)
5048 when comparing against one.
5049 (get_inner_reference): Change variable `alignment' to unsigned.
5050 (expand_expr): Cast the result of GET_MODE_ALIGNMENT to (unsigned
5051 int) when comparing against one.
5052 (expand_builtin_setjmp): Change type of variable `i' to size_t.
5054 * fold-const.c (div_and_round_double): Cast BASE to
5055 (HOST_WIDE_INT) when comparing against one.
5057 * gencheck.c: Include gansidecl.h.
5058 (main): Mark parameter `argv' with ATTRIBUTE_UNUSED.
5060 * optabs.c (gen_cond_trap): Mark parameters `code', `op2' and
5061 `tcode' with ATTRIBUTE_UNUSED.
5063 * real.c (edivm): Cast constant value to (unsigned long) in
5064 expression compared against an unsigned value.
5066 * stmt.c (expand_return): Cast BITS_PER_WORD to (unsigned) when
5067 comparing against one.
5068 (expand_end_case): Cast CASE_VALUES_THRESHOLD to (unsigned int)
5069 when comparing against one.
5071 * stor-layout.c (mode_for_size): Cast MAX_FIXED_MODE_SIZE to
5072 (unsigned int) when comparing against one. Likewise for
5074 (smallest_mode_for_size): Likewise.
5075 (save_storage_status): Mark parameter `p' with ATTRIBUTE_UNUSED.
5076 (restore_storage_status): Likewise.
5078 * toplev.c (debug_args): Add missing initializer.
5079 (f_options): Spelling correction. Add missing initializers.
5080 (documented_lang_options): Likewise.
5081 (debug_end_source_file): Mark parameter `lineno' with
5084 * tree.c (valid_machine_attribute): Mark parameters `attr_args',
5085 `decl' and `type' with ATTRIBUTE_UNUSED.
5087 * varasm.c (decode_reg_name): Cast `sizeof' expression to (int)
5088 when comparing against one.
5089 (assemble_variable): Mark parameter `top_level' with
5091 (assemble_external_libcall): Mark parameter `fun' with
5093 (output_constant_pool): Mark parameters `fnname' and `fndecl' with
5096 Tue Oct 13 12:51:04 1998 Nick Clifton <nickc@cygnus.com>
5098 * config/v850/lib1funcs.asm (_udivsi3): Add .type declaration.
5099 Replace use of r5 with use of r19.
5101 * config/v850/v850.h (LINK_POINTER_REGNUM): Define.
5103 * config/v850/v850.c (compute_register_save_size): Allow for the
5104 fact that helper functions save all registers, not just those used
5107 Replace constant 31 with macro LINK_POINTER_REGNUM.
5109 * config/v850/v850.md: Use 'indirect_operand' rather than
5110 'memory_operand' for bit test/set/clear patterns.
5112 Tue Oct 13 11:49:14 1998 Jason Merrill <jason@yorick.cygnus.com>
5114 * mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS): Call ASM_GLOBALIZE_LABEL.
5115 * varasm.c (assemble_start_function et al): Don't call
5116 ASM_GLOBALIZE_LABEL for weak symbols.
5118 Tue Oct 13 11:37:45 1998 Nick Clifton <nickc@cygnus.com>
5120 * cse.c (equiv_constant): Check for NULL return from
5121 gen_lowpart_if_possible().
5123 Tue Oct 13 11:24:51 1998 Jeffrey A Law (law@cygnus.com)
5125 * mn10200.md (addsi3, subsi3, negsi2): Only allow register operands.
5127 * collect2.c (main): Pass -EL/-EB through to the compiler.
5129 1998-10-12 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5131 * expr.c (push_block): Handle targets where the stack grows
5132 to higher addresses, but args grow to lower addresses and
5133 ACCUMULATE_OUTGOING_ARGS is not defined.
5135 Tue Oct 13 08:00:52 1998 Catherine Moore <clm@cygnus.com>
5137 * config/v850/v850.c (print_operand): Extend meaning
5138 of 'c' operands to support .vtinherit.
5140 Tue Oct 13 21:38:35 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5142 * config/c4x/c4x.c: Convert to gen_rtx_FOO.
5143 Added ATTRIBUTE_UNUSED to unused function arguments.
5144 (rc_reg_operand): New predicate.
5145 (c4x_rptb_insert): New function.
5146 (c4x_rptb_nop_p): Recognize modified rptb_top pattern.
5147 (c4x_optimization_options): New function.
5149 * config/c4x/c4x.md: Convert to gen_rtx_FOO.
5150 (decrement_and_branch_on_count): New pattern.
5151 (rptb_top): Modified pattern to work with BCT optimization.
5153 * config/c4x/c4x.h (RC_REG): New register class.
5154 (rc_reg_operand): Define prototype.
5155 (IS_RC_REG): New macro.
5156 (IS_RC_OR_PSEUDO_REG): New macro.
5157 (IS_RC_OR_PSEUDO_REGNO): New macro.
5158 (OPTIMIZATION_OPTIONS): Define.
5160 Mon Oct 12 19:57:34 1998 Jason Merrill <jason@yorick.cygnus.com>
5162 * collect2.c (extract_init_priority): No priority is 65535.
5164 Mon Oct 12 12:10:37 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5166 * Makefile.in (build_tooldir): new variable, same as old
5167 $(tooldir), but without depending on $(libdir)/$(unlibsubdir)
5168 (GCC_FOR_TARGET): add -B$(build_tooldir)/bin/
5169 (bootstrap, bootstrap2, bootstrap3, bootstrap4): ditto
5171 * configure.in (gxx_include_dir): set default based on unlibsubdir
5172 * Makefile.in (tooldir): ditto
5173 (cccp.o, cpplib.o): use unlibsubdir implicitly through
5174 gxx_include_dir, includedir and tooldir
5175 (protoize.o, unprotoize.o): ditto
5177 Mon Oct 12 10:50:44 1998 Nick Clifton <nickc@cygnus.com>
5179 * config/arm/arm.md: Replace (reg 24) with (reg:CC 24).
5181 * config/arm/thumb.c (thumb_override_options): Add warning about
5182 PIC code not being supported just yet.
5184 Sun Oct 11 16:49:15 EDT 1998 John Wehle (john@feith.com)
5186 * flow.c: Update comment.
5187 (notice_stack_pointer_modification): New static function.
5188 (record_volatile_insns): Use it.
5189 (mark_regs_live_at_end): Mark the stack pointer as alive
5190 at the end of the function if current_function_sp_is_unchanging
5192 (life_analysis_1): Set current_function_sp_is_unchanging.
5193 * function.c: Define it.
5194 (init_function_start): Initialize it.
5195 * output.h: Declare it.
5196 * reorg.c (fill_simple_delay_slots, dbr_schedule): Mark
5197 the stack pointer as alive at the end of the function if
5198 current_function_sp_is_unchanging is set.
5199 * i386.c (ix86_epilogue): Optimize the restoring
5200 of the stack pointer.
5202 Mon Oct 12 01:22:53 PDT 1998 Jeff Law (law@cygnus.com)
5204 * version.c: Bump for snapshot.
5206 Sun Oct 11 23:04:30 1998 Robert Lipe <robertl@dgii.com>
5208 * c-pragma.c (handle_pragma_token): If passed a token instead
5209 of a tree, use that as the pack value.
5211 Sun Oct 11 14:21:14 1998 Mark Mitchell <mark@markmitchell.com>
5213 * flow.c (find_basic_blocks_1): Fix prototype.
5215 Sun Oct 11 05:03:41 1998 Ken Raeburn <raeburn@cygnus.com>
5217 * tree.h (DECL_NO_CHECK_MEMORY_USAGE): New macros.
5218 (struct tree_decl): New fields no_check_memory_usage.
5219 * c-common.c (enum attrs): Add A_NO_CHECK_MEMORY_USAGE.
5220 (init_attributes): Register it as a new attribute.
5221 (decl_attributes): Set flags on functions given that attribute.
5222 * c-decl.c (duplicate_decls): Merge new attribute.
5223 * expr.h (current_function_check_memory_usage): Declare new var.
5224 * calls.c, expr.c, function.c, stmt.c, alpha.c, clipper.c, m88k.c,
5225 pa.c, sparc.c: Replace uses of flag_check_memory_usage with
5226 current_function_check_memory_usage.
5227 * function.h: Add field to struct function.
5228 * function.c (current_function_check_memory_usage): Define it.
5229 (push_function_context_to, pop_function_context_from): Save and
5231 (expand_function_start): Set it, based on global flag and function
5234 * expr.c (expand_expr, case VAR_DECL): In memory-checking code, do
5235 check non-automatic variables, to permit detection of writes to
5236 read-only locations in embedded systems without memory management.
5237 * calls.c (store_one_arg): Use ARGS_SIZE_RTX to get size of argument
5238 when emitting chkr_set_right_libfunc call, even if the argument is
5239 BLKmode or variable-sized; don't abort.
5241 * optabs.c (init_optabs): Create Checker and __cyg_profile_*
5242 symbols in Pmode, not VOIDmode.
5244 Sun Oct 11 01:03:05 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5246 * cppexp.c: When forcing unsigned comparisons, cast both sides
5249 * cpphash.h: Move static declaration of hashtab[]...
5250 * cpphash.c: ...here.
5252 * cpplib.c: Cast difference of two pointers to size_t before
5253 comparing it to size_t. Cast signed to unsigned
5254 before comparing to size_t. (FIXME: struct argdata should use
5255 unsigned buffer sizes.)
5256 * cpplib.h (struct cpp_reader): Declare token_buffer_size as
5257 unsigned int. (CPP_WRITTEN): Cast return value to size_t.
5258 (CPP_RESERVE): Parenthesize N for evaluation order, cast to
5259 size_t before comparison.
5261 Sun Oct 11 00:15:29 1998 Jeffrey A Law (law@cygnus.com)
5263 * flow.c (find_basic_blocks): Delete "live_reachable_p" argument.
5264 (find_basic_blocks_1): Similarly.
5265 * output.h (find_basic_blocks): Fix prototype.
5266 * gcse.c, toplev.c: Don't pass "live_reachable_p" argument to
5267 find_basic_blocks anymore.
5269 Sat Oct 10 22:00:34 1998 Richard Henderson <rth@cygnus.com>
5271 * basic-block.h (EXECUTE_IF_SET_IN_SBITMAP): New macro.
5272 (sbitmap_free, sbitmap_vector_free): New macros.
5273 * output.h (rtl_dump_file): Declare.
5275 Sat Oct 10 17:01:42 1998 Jeffrey A Law (law@cygnus.com)
5277 * regmove.c (optimize_reg_copy_3): Honor TRULY_NOOP_TRUNCATION.
5279 Fri Oct 9 22:08:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5281 * fp-bit.c (SFtype): Don't implicitly use int in declaration.
5283 (_fpdiv_parts): Remove unused parameter `tmp', all callers changed.
5284 (divide): Remove unused variable `tmp'.
5285 (si_to_float): Cast numeric constant to (SItype) before comparing
5288 Fri Oct 9 16:03:19 1998 Graham <grahams@rcp.co.uk>
5290 * flow.c (print_rtl_with_bb): Changed type of in_bb_p to match use.
5291 * gcc.c (add_preprocessor_option): Correct typo when allocating
5292 memory, sizeof() argument had one too many `*'.
5293 (add_assembler_option): Likewise.
5294 (add_linker_option): Likewise.
5295 * gcov.c (output_data): Likewise.
5296 * local-alloc.c (memref_used_between_p): Likewise.
5297 (update_equiv_regs): Likewise.
5298 * loop.c (strength_reduce): Likewise.
5299 * reg-stack.c (record_asm_reg_life): Likewise.
5300 (subst_asm_stack_reg): Likewise.
5301 * reorg.c (dbr_schedule): Likewise.
5303 Fri Oct 9 15:57:51 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5305 * flow.c (life_analysis_1): Break out some functions.
5306 (find_basic_blocks_1): Likewise. Also move some variables out and
5308 Rename NONLOCAL_LABEL_LIST arg to NONLOCAL_LABELS and initialize
5309 new static var nonlocal_label_list with it.
5310 (active_eh_region, nested_eh_region, label_value_list,
5311 nonlocal_label_list): New static variables.
5312 (make_edges, delete_unreachable_blocks, delete_block): New static
5313 functions, broken out of find_basic_blocks_1.
5314 (record_volatile_insns, mark_regs_live_at_end, set_noop_p,
5315 noop_move_p): New static functions, broken out of life_analysis_1.
5317 Fri Oct 9 15:49:29 1998 Richard Henderson <rth@cygnus.com>
5319 * expmed.c (store_bit_field): Pun non-integral str_rtx modes.
5320 Take extra care for op0 now possibly being a subreg.
5321 (extract_bit_field): Likewise.
5322 * function.c (purge_addressof_1): Revert Oct 4 change. Drop
5323 the reg to memory if there is no equal sized integral mode.
5324 * stor-layout.c (int_mode_for_mode): New function.
5325 * machmode.h: Prototype it.
5327 Fri Oct 9 14:26:44 1998 Jeffrey A Law (law@cygnus.com)
5329 * global.c (build_insn_chain): Verify no real insns exist past the
5330 end of the last basic block, then exit the loop.
5332 Fri Oct 9 11:44:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
5334 * loop.c (insert_bct): Ensure loop_iteration_var non-zero before use.
5336 Thu Oct 8 21:59:47 1998 Dave Brolley <brolley@cygnus.com>
5338 * emit-rtl.c (init_emit_once): Call INIT_EXPANDERS.
5340 Thu Oct 8 22:03:45 1998 David Edelsohn <edelsohn@mhpcc.edu>
5342 * rs6000.h (RTX_COSTS): Add PROCESSOR_PPC604e cases.
5344 Thu Oct 8 17:00:18 1998 Richard Henderson <rth@cygnus.com>
5346 * flow.c (find_basic_blocks): Correctly determine when a call
5347 is within an exception region.
5349 Thu Oct 8 17:15:04 1998 Jeffrey A Law (law@cygnus.com)
5351 * toplev.c (output_file_directive): Use DIR_SEPARATOR, not '/'.
5353 * cpplib.h: Protect from multiple inclusions.
5354 * cpplib.c: Fix minor formatting problems.
5356 * i386/xm-cygwin32.h: Only define POSIX if it is not already defined.
5358 * jump.c (jump_optimize): Revert accidental patch.
5360 * Makefile.in (cpplib.o): Use unlibsubdir.
5362 Thu Oct 8 12:50:47 1998 Jim Wilson <wilson@cygnus.com>
5364 * loop.c (get_condition): Allow combine when either compare is
5367 Thu Oct 8 11:31:01 PDT 1998 Jeff Law (law@cygnus.com)
5369 * version.c: Bump for snapshot.
5371 Thu Oct 8 12:21:14 1998 Richard Frith-Macdonald <richard@brainstorm.co.uk>
5373 * c-lex.c (remember_protocol_qualifiers): Handle RID_BYREF.
5374 (init_lex): Initialize ridpointers[RID_BYREF].
5375 * c-lex.h (enum rid): Add RID_BYREF.
5376 * c-parse.gperf: Add RID_BYREF as a type qualifier.
5377 * objc/objc-act.c (is_objc_type_qualifiers): Handle RID_BYREF.
5378 (encode_type_qualifiers): Similarly
5379 * c-gperf.h: Rebuilt.
5381 Thu Oct 8 05:56:00 1998 Jeffrey A Law (law@cygnus.com)
5383 * c-common.c (type_for_mode): Only return TItype nodes when
5384 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5385 * c-decl.c (intTI_type_node, unsigned_intTI_type_node): Only declare
5386 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5387 (init_decl_processing): Only create TItype nodes when
5388 HOST_BITS_PER_WIDE_INT is >= 64 bits.
5389 * c-tree.h (intTI_type_node, unsigned_intTI_type_node): Only declare
5390 when HOST_BITS_PER_WIDE_INT is >= 64 bits.
5392 Thu Oct 8 05:05:34 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5394 * stmt.c (n_occurrences): New static function.
5395 (expand_asm_operands): Verify that all constrains match in the
5396 number of alternatives.
5397 Verify that '+' or '=' are at the beginning of an output constraint.
5398 Don't allow '&' for input operands.
5399 Verify that '%' isn't written for the last operand.
5400 * reload.c (find_reloads): Abort if an asm is found with invalid
5401 constraints; all possible problems ought to be checked for earlier.
5403 Thu Oct 8 04:26:20 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5405 * flags.h (flag_branch_on_count_reg): Always declare
5406 * toplev.c (flag_branch_on_count_reg): Likewise.
5407 * toplev.c: Fix typos.
5409 * real.c (c4xtoe): Remove unused variables. Add some missing parens.
5412 Thu Oct 8 01:25:22 1998 Richard Henderson <rth@cygnus.com>
5414 * flow.c (find_basic_blocks): Calc upper bound for extra nops in
5416 (find_basic_blocks_1): Add a nop to the end of a basic block when
5417 a trailing call insn does not have abnormal control flow.
5418 * gcse.c (pre_transpout): New variable.
5419 (alloc_pre_mem, free_pre_mem, dump_pre_data): Bookkeeping for it.
5420 (compute_pre_transpout): Calculate it.
5421 (compute_pre_ppinout): Use it to eliminate impossible placements
5422 due to abnormal control flow through calls.
5423 (compute_pre_data): Call compute_pre_transpout.
5425 Wed Oct 7 21:40:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5427 * config/sparc/sol2-sld-64.h (ASM_CPU_SPEC): Fix typo.
5429 Wed Oct 7 21:19:46 1998 Ken Raeburn <raeburn@cygnus.com>
5431 * config/mips/mips.md (tablejump_internal3, tablejump_internal4
5432 and matching define_insns): Tack on a `use' of the table label, so
5433 flow analysis will recognize a tablejump.
5435 Wed Oct 7 17:33:39 1998 Richard Henderson <rth@cygnus.com>
5437 * gcse.c (pre_insert_insn): Tweek to notice that calls do not
5438 always end basic blocks for abnormal edge reasons.
5440 Wed Oct 7 14:40:43 1998 Nick Clifton <nickc@cygnus.com>
5442 * config/i386/i386.h: Remove definition of
5443 HANDLE_PRAGMA_PACK_PUSH_POP.
5445 * config/i386/go32.h: Add definition of
5446 HANDLE_PRAGMA_PACK_PUSH_POP.
5448 * config/i386/win32.h: Add definition of
5449 HANDLE_PRAGMA_PACK_PUSH_POP.
5451 * config/i386/cygwin32.h: Add definition of
5452 HANDLE_PRAGMA_PACK_PUSH_POP.
5454 * c-pragma.c (insert_pack_attributes): Do not insert
5455 attributes unless #pragma pack(push,<n>) is in effect.
5457 Wed Oct 7 12:10:46 1998 Jim Wilson <wilson@cygnus.com>
5459 * expr.c (emit_group_store): Handle a PARALLEL destination.
5461 Wed Oct 7 10:07:29 1998 Richard Henderson <rth@cygnus.com>
5463 * gcse.c (pre_insert_insn): When a call ends a bb, insert
5464 the new insns before the argument regs are loaded.
5466 Wed Oct 7 12:55:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5468 * Makefile.in (c-gperf.h): Add -L KR-C -F ', 0, 0' flags to gperf.
5469 (c-parse.gperf): Update comments describing invocation flags.
5470 (c-gperf.h): Regenerate using gperf 2.7.1 (19981006 egcs).
5472 1998-10-07 Manfred Hollstein <manfred@s-direktnet.de>
5474 * reload1.c (reload): Call free before clobbering the memory
5475 locations or constants pointers.
5477 Wed Oct 7 02:05:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5479 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Rework
5480 for efficiency by checking whether we need to modify the current
5481 stack permission at all.
5482 (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Define.
5483 * config/sparc/sparc.c (sparc_initialize_trampoline): Emit
5484 __enable_execute_stack libcall here too if
5485 TRANSFER_FROM_TRAMPOLINE is defined.
5486 * config/sparc/sparc.h: Set TARGET_ARCH32 to a constant if
5489 Wed Oct 7 02:27:52 1998 Jeffrey A Law (law@cygnus.com)
5491 * Makefile.in (DRIVER_DEFINES): Remove last change.
5493 Wed Oct 7 01:08:43 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5495 * jump.c (duplicate_loop_exit_test): Strip REG_WAS_0 notes off all
5496 insns we're going to copy.
5497 * regclass.c (reg_scan_mark_refs): Don't test X for NULL_RTX.
5499 * loop.c (count_one_set): Add prototype.
5501 * caller-save.c (restore_referenced_regs): Lose mode argument.
5502 (insert_save): Lose mode argument.
5503 (insert_restore): Lose mode argument.
5504 (insert_one_insn): Lose mode argument.
5505 (save_call_clobbered_regs): Lose mode argument.
5506 (setup_save_areas): Take no argument and return void. All callers
5508 Don't verify validity of memory addresses.
5509 * reload.h (setup_save_ares): Adjust prototype.
5510 (save_call_clobbered_regs): Likewise.
5511 * reload1.c (delete_caller_save_insns): New function.
5512 (caller_save_spill_class): Delete variable.
5513 (caller_save_group_size): Delete variable.
5514 (reload): Call setup_save_areas and save_call_clobbered_regs
5515 in the main loop, before calling calculate_needs_all_insns.
5516 Don't call save_call_clobbered_regs after the loop.
5517 Call delete_caller_save_insns at the end of an iteration if
5519 Delete code to manage caller_save_spill_class.
5520 Emit the final note before setting reload_first_uid.
5521 Simplify test that determines whether reload_as_needed gets run.
5522 (calculate_needs): Delete code to manage caller_save_spill_class.
5524 Tue Oct 6 15:42:27 1998 Richard Henderson <rth@cygnus.com>
5526 * collect2.c (main): Initialize ld_file_name.
5528 Tue Oct 6 15:45:15 1998 Catherine Moore <clm@cygnus.com>
5530 * config/sparc/sysv4.h (ASM_OUTPUT_SECTION_NAME): Don't
5531 check for flag_function_sections.
5533 Tue Oct 6 20:02:31 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5535 * cse.c (insert_regs): Fix bug in Sep 24 change.
5537 Tue Oct 6 17:00:42 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5539 * flags.h (flag_dump_unnumbered): Declare.
5540 * toplev.c (flag_dump_unnumbered): Don't declare.
5541 * print-rtl.c (flags.h): Include.
5542 (print_rtl_single): Add return value.
5543 * rtl.h (print_rtl_single): Update declaration.
5544 * flow.c (flag_dump_unnumbered): Don't declare.
5545 (print_rtl_with_bb): Use return value of print_rtl_single.
5547 Tue Oct 6 01:36:00 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5549 * loop.c (count_one_set): New static function, broken out of
5551 (count_loop_regs_set): Call it.
5552 * global.c (mark_reg_store): Handle clobbers here by not calling
5554 (mark_reg_clobber): Just call mark_reg_store after ensuring SETTER
5555 is in fact a clobber.
5556 * integrate.c (process_reg_param): New function, broken out of
5557 expand_inline_function.
5558 (expand_inline_function): Call it.
5561 * i386.md (addsidi3_1): Delete unused variable temp.
5562 (addsidi3_2): Likewise.
5563 (clstrstrsi): Delete unused variable addr1.
5565 * rtl.h: Don't declare any functions also declared in recog.h.
5567 * Makefile.in (stupid.o): Update dependencies.
5568 (global.o): Likewise.
5570 * global.c: Include reload.h
5571 (reg_becomes_live): New function.
5572 (reg_dies): New function.
5573 (build_insn_chain): New function.
5574 (global_alloc): Call build_insn_chain before calling reload.
5576 * reload.h (struct needs): New structure definition.
5577 (struct insn_chain): Likewise.
5578 (reload_insn_chain): Declare variable.
5579 (new_insn_chain): Declare function.
5582 * reload1.c (reload_startobj): New variable.
5583 (reload_insn_chain): New variable.
5584 (unused_insn_chains): New variable.
5585 (new_insn_chain): New function.
5586 (init_reload): Initialize reload_startobj, not reload_firstobj.
5587 (reload): Initialize reload_firstobj.
5588 Before returning, free everything on the reload_obstack.
5590 * stupid.c: Include insn-config.h, reload.h and basic-block.h.
5591 (reg_where_dead_chain, reg_where_born_exact, reg_where_born_clobber,
5592 current_chain): New variables.
5593 (reg_where_born): Delete variable.
5594 (REG_WHERE_BORN): New macro.
5595 (find_clobbered_regs): New function.
5596 (stupid_life_analysis): Don't allocate/free reg_where_born.
5597 Allocate and free reg_where_born_exact, reg_where_born_clobber,
5598 reg_where_dead_chain.
5599 Use REG_WHERE_BORN instead of reg_where_born.
5600 While processing the insns, build the reload_insn_chain with
5601 information about register lifetimes.
5602 (stupid_reg_compare): Use REG_WHERE_BORN instead of reg_where_born.
5603 (stupid_mark_refs): Replace arg INSN with arg CHAIN. All callers
5605 Compute and information about birth and death of pseudo registers in
5606 reg_where_dead_chain, reg_where_born_exact and reg_where_born_clobber.
5607 Delete code to set elements of reg_where_born.
5609 Mon Oct 5 22:34:30 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
5611 * tree.def (GOTO_EXPR): Modified documentation.
5612 * expr.c (expand_expr): Expand GOTO_EXPR into a goto or a computed
5615 Mon Oct 5 22:43:36 1998 David Edelsohn <edelsohn@mhpcc.edu>
5617 * unroll.c (loop_iteration_var, loop_initial_value, loop_increment
5618 loop_final_value, loop_comparison_code): No longer static.
5619 (unroll_loop): Delete loop_start_value update.
5620 * loop.h (loop_iteration_var, loop_initial_value, loop_increment,
5621 loop_final_value, loop_comparison_code): Extern.
5622 (loop_start_value): Delete extern.
5623 * loop.c (loop_can_insert_bct, loop_increment, loop_start_value,
5624 loop_comparison_value, loop_comparison_code): Delete.
5625 (loop_optimize): Remove initialization for deleted variables.
5626 (strength_reduce): Delete analyze_loop_iterations call. Only call
5627 insert_bct if flag_branch_count_on_reg set.
5628 (analyze_loop_iterations): Delete.
5629 (insert_bct): Remove iteration count calculation. Move checks for
5630 viable BCT optimization to here. Obtain iteration count from
5631 loop_iterations and correct for unrolling. Check for enough
5632 iteration to be beneficial. Comment out runtime iteration count
5634 (insert_bct): Print iteration count in dump file. Remove
5635 loop_var_mode and use word_mode directly.
5637 * rs6000.h (processor_type): Add PROCESSOR_PPC604e.
5638 * rs6000.c (rs6000_override_options): Use it.
5639 (optimization_options): Enable use of flag_branch_on_count_reg.
5640 * rs6000.md (define_function_unit): Describe 604e.
5642 1998-10-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5644 * loop.c (move_movables): Corrected threshold calculation for
5645 moved_once registers.
5647 Mon Oct 5 21:18:45 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5649 * loop.c (combine_givs_p): Fix test for identical givs.
5651 Mon Oct 5 10:11:28 1998 Nick Clifton <nickc@cygnus.com>
5653 * dwarf2out.c (gen_subprogram_die): If errorcount nonzero, don't
5654 call abort if the function is already defined.
5656 Mon Oct 5 10:02:36 1998 Jeffrey A Law (law@cygnus.com)
5658 * combine.c (simplify_rtx): Do not replace TRUNCATE with a SUBREG if
5659 truncation is not a no-op.
5661 Mon Oct 5 09:02:04 PDT 1998 Jeff Law (law@cygnus.com)
5663 * version.c: Bump for snapshot.
5665 Mon Oct 5 08:19:55 PDT 1998 Jeff Law (law@cygnus.com)
5667 * version.c: Bump for snapshot.
5669 Mon Oct 5 01:07:23 1998 Torbjorn Granlund <tege@matematik.su.se>
5671 * expmed.c (expand_divmod): Don't widen for computing remainder
5672 if we seem to have a divmod pattern for needed mode.
5674 Mon Oct 5 01:01:42 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5676 * cpplib.c (macroexpand): Correct off-by-one error in handling
5679 Sun Oct 4 23:58:30 1998 Richard Henderson <rth@cygnus.com>
5681 * combine.c (expand_field_assignment): Don't do bitwise operations
5682 on MODE_FLOAT; pun to MODE_INT if possible.
5684 Sun Oct 4 18:33:24 1998 Jason Merrill <jason@yorick.cygnus.com>
5685 scott snyder <snyder@d0sgif.fnal.gov>
5687 * tlink.c (scan_linker_output): Recognize errors from irix 6.2
5688 linker. Recognize mangled names in quotes.
5690 Sun Oct 4 02:58:20 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
5692 * config/sparc/sparc.md (ashldi3+1): Name it ashldi3_sp64.
5693 (ashlsi3_const1, ashldi3_const1): New combiner patterns.
5694 (ashrsi3_extend, ashrsi3_extend2): New combiner patterns.
5695 (lshrsi3_extend, lshrsi3_extend2): Ditto.
5697 Sun Oct 4 00:23:00 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5699 * function.c (purge_addressof_1): If trying to take a sub-word
5700 integral piece of a floating point mode, put it on the stack.
5702 Sat Oct 3 19:01:03 1998 Richard Henderson <rth@cygnus.com>
5704 * alpha/linux.h (CPP_PREDEFINES): Define __alpha__ for imake.
5706 Sat Oct 3 14:42:19 1998 Jason Merrill <jason@yorick.cygnus.com>
5708 * PROJECTS: Remove template friends.
5710 * collect2.c (sort_ids): Remove unused variable.
5712 * tm.texi (MATH_LIBRARY): Document.
5713 (NEED_MATH_LIBRARY): Remove.
5715 * varasm.c (assemble_start_function, assemble_variable, weak_finish,
5716 assemble_alias): Do ASM_GLOBALIZE_LABEL for weak symbols, too.
5718 Sat Oct 3 16:14:44 1998 John Carr <jfc@mit.edu>
5720 * dwarf2out.c (expand_builtin_dwarf_reg_size): Initialize
5721 last_end to 0x7fffffff.
5723 Fri Oct 2 19:14:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5725 * function.c (purge_addressof_1): Do not perform endianness
5726 corrections on bitpos, who we call will do it for us.
5728 Fri Oct 2 11:52:35 1998 Jeffrey A Law (law@cygnus.com)
5730 * h8300.c (WORD_REG_USED): Fix typo.
5731 (initial_offset): Use WORD_REG_USED.
5733 * h8300.c (handle_pragma): Fix typo.
5735 Fri Oct 2 10:51:35 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5737 * caller-save.c (insert_save_restore): Break this function up
5738 into new functions insert_restore, insert_save and insert_one_insn.
5739 All callers changed.
5740 (insert_restore): New function, mostly broken out of
5741 insert_save_restore.
5742 (insert_save): Likewise.
5743 (insert_one_insn): Likewise.
5744 (restore_referenced_regs): New argument BLOCK. All callers changed.
5745 (save_call_clobbered_regs): Don't keep track of basic block boundaries
5746 in this function, do it in insert_one_insn instead.
5748 * reload1.c (reload): Break out some more pieces into separate
5750 (dump_needs): New function, broken out of reload.
5751 (set_initial_elim_offsets): Likewise.
5752 (init_elim_table): Likewise.
5753 (update_eliminables): Likewise.
5755 * global.c (global_alloc): Delete code to manage the scratch_list.
5756 * local-alloc.c (qty_scratch_rtx): Delete.
5757 (scratch_block): Delete.
5758 (scratch_list): Delete.
5759 (scratch_list_length): Delete.
5760 (scratch_index): Delete.
5761 (alloc_qty_for_scratch): Delete.
5762 (local-alloc): Update initialization of max_qty.
5763 Delete code to manage the scratch list.
5764 Delete code to allocate/initialize qty_scratch_rtx.
5765 (block_alloc): Don't allocate quantities for scratches.
5766 Delete code to manage the scratch list.
5767 * regs.h (scratch_list): Delete declaration.
5768 (scratch_block): Delete declaration.
5769 (scratch_list_length): Delete declaration.
5770 * reload1.c (reload): Delete code to manage the scratch list.
5771 (spill_hard_reg): Likewise.
5772 (mark_scratch_live): Delete.
5774 * recog.c (alter_subreg): Delete declaration.
5776 1998-10-02 Andreas Jaeger <aj@arthur.rhein-neckar.de>
5778 * Makefile.in (cccp.o): Fix typo in last patch.
5780 Fri Oct 2 16:13:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5782 * t-sh (LIB1ASMFUNCS): Add _set_fpscr .
5783 * config/sh/lib1funcs.asm (___set_fpscr): Add.
5785 Fri Oct 2 02:01:59 1998 Jeffrey A Law (law@cygnus.com)
5787 * regclass.c (reg_scan_mark_refs): Return immediately if passed a
5788 NULL_RTX as an argument.
5790 * Makefile.in (unlibsubdir): Define.
5791 (DRIVER_DEFINES): Use unlibsubdir.
5792 (cccp.o, cpplib.o, protoize.o, unprotoize.o): Similarly.
5793 (stmp-fixinc): Similarly.
5795 Thu Oct 1 19:58:30 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
5797 * regmove.c (regmove_optimize): Add variable old_max_uid.
5798 At the end of the function, update basic_block_end.
5800 Thu Oct 1 17:58:25 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
5802 * dwarf2out.c (expand_builtin_dwarf_reg_size): Use
5803 FIRST_PSEUDO_REGISTER as upper bound for last_end, not an
5806 Thu Oct 1 17:57:14 1998 Nick Clifton <nickc@cygnus.com>
5808 * config/arm/arm.c: Improve interworking support.
5810 Thu Oct 1 18:43:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
5812 * reload1.c (choose_reload_regs): Fix test if reload_reg_rtx[r] was
5813 copied from reload_out[r] .
5815 Thu Oct 1 19:20:09 1998 John Carr <jfc@mit.edu>
5817 * dwarf2out.c (expand_builtin_dwarf_reg_size): Fix to work
5818 with more than three size ranges.
5820 * flow.c (sbitmap_copy): Use bcopy to copy bitmap.
5822 * rtl.c (mode_name): Add a null string at the end of the array.
5823 (mode_wider_mode): Change type to unsigned char.
5824 (mode_mask_array): New variable.
5825 (init_rtl): Update for mode_wider_mode type change.
5827 * rtl.h (mode_wider_mode): Change type to unsigned char.
5828 (mode_mask_array): Declare.
5829 (GET_MODE_MASK): Use mode_mask_array.
5831 Thu Oct 1 15:56:01 1998 Gavin Romig-Koch <gavin@cygnus.com>
5833 * calls.c (expand_call) : Encapsulate code into
5834 copy_blkmode_from_reg.
5835 * expr.c (copy_blkmode_from_reg): New function.
5836 * expr.h (copy_blkmode_from_reg): New function.
5837 * integrate.c (function_cannot_inline_p): We can inline
5839 (expand_inline_function): Use copy_blkmode_from_reg
5840 if needed. Avoid creating BLKmode REGs.
5841 (copy_rtx_and_substitute): Don't try to SUBREG a BLKmode
5844 Thu Oct 1 10:42:27 1998 Nick Clifton <nickc@cygnus.com>
5846 * config/v850/v850.c: Add function prototypes.
5847 Add support for v850 special data areas.
5849 * config/v850/v850.h: Add support for v850 special data areas.
5851 * c-pragma.c: Add support for HANDLE_PRAGMA_PACK and
5852 HANDLE_PRAGMA_PACK_PUSH_POP.
5853 (push_alignment): New function: Cache an alignment requested
5854 by a #pragma pack(push,<n>).
5855 (pop_alignment): New function: Pop an alignment from the
5857 (insert_pack_attributes): New function: Generate __packed__
5858 and __aligned__ attributes for new decls whilst a #pragma pack
5860 (add_weak): New function: Cache a #pragma weak directive.
5861 (handle_pragma_token): Document calling conventions. Add
5862 support for #pragma pack(push,<n>) and #pragma pack (pop).
5864 * c-pragma.h: If HANDLE_SYSV_PRAGMA or HANDLE_PRAGMA_PACK_PUSH_POP
5865 are defined enable HANDLE_PRAGMA_PACK.
5866 Move 'struct weak_syms' here (from varasm.c).
5867 Add pragma states for push and pop pragmas.
5869 * c-common.c (decl_attributes): Call PRAGMA_INSERT_ATTRIBUTES
5872 * c-lex.c: Replace occurances of HANDLE_SYSV_PRAGMA with
5873 HANDLE_GENERIC_PRAGMAS.
5875 * varasm.c: Move definition of 'struct weak_syms' into
5877 (handle_pragma_weak): Deleted.
5879 * config/i386/i386.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5881 * config/winnt/win-nt.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.
5883 * c-decl.c (start_function): Add invocation of
5884 SET_DEFAULT_DECL_ATTRIBUTES, if defined.
5886 * tm.texi: Remove description of non-existant macro
5887 SET_DEFAULT_SECTION_NAME.
5889 (HANDLE_SYSV_PRAGMA): Document.
5890 (HANDLE_PRAGMA_PACK_PUSH_POP): Document.
5892 Wed Sep 30 22:27:53 1998 Robert Lipe <robertl@dgii.com>
5894 * config.sub: Recognize i[34567]86-pc-udk as new target.
5895 * configure.in: Likewise.
5896 * config/i386/t-udk: New file.
5897 * config/i386/udk.h: New file.
5899 Wed Sep 30 19:33:07 1998 Jeffrey A Law (law@cygnus.com)
5901 * reorg.c (check_annul_list_true_false): Remove unused variables.
5902 (steal_delay_list_from_target): Add missing "used_annul" variable.
5903 (try_merge_delay_insns): Close out half formed comment.
5905 Wed Sep 30 19:13:20 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5907 * cpplib.c (macroexpand): If arg->raw_before or
5908 arg->raw_after, remove any no-reexpansion escape at the
5909 beginning of the pasted token. Correct handling of whitespace
5910 markers and no-reexpand markers at the end if arg->raw_after.
5912 * toplev.c (documented_lang_options): Recognize -include,
5913 -imacros, -iwithprefix, -iwithprefixbefore.
5914 * cpplib.c (cpp_start_read): Process -imacros and -include
5915 switches at the same time and in command-line order, after
5916 initializing the dependency-output code. Emit properly nested
5917 #line directives for them. Emit a #line for the main file
5918 before processing these switches, and don't do it again
5921 Wed Sep 30 18:03:22 1998 Richard Henderson <rth@cygnus.com>
5923 * function.c (purge_addressof_1): Use bitfield manipulation
5924 routines to handle mem mode < reg mode.
5926 Wed Sep 30 18:43:32 1998 Herman ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5928 * reorg.c (try_merge_delay_insns): Account for resources referenced
5929 in each instruction in INSN's delay list before trying to eliminate
5930 useless instructions. Similarly when looking at a trial insn's delay
5933 * reorg.c (check_annul_list_true_false): New function.
5934 (steal_delay_list_from_{target,fallthrough}): Call it and also
5935 refine tests for when we may annul if already filled a slot.
5936 (fill_slots_from_thread): Likewise.
5937 (delete_from_delay_slot): Return newly-created thread.
5938 (try_merge_delay_isns): Use its new return value.
5940 Wed Sep 30 18:29:26 1998 Jeffrey A Law (law@cygnus.com)
5942 * loop.c (check_dbra_loop): Use a vanilla loop reversal if the biv is
5943 used to compute a giv or as some other non-counting use.
5945 Wed Sep 30 18:19:27 1998 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5947 * regs.h (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
5948 * local-alloc.c (find_free_reg): Use it.
5949 * global.c (find_reg): Likewise.
5950 * tm.texi: Document HARD_REGNO_CALL_PART_CLOBBERED.
5952 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): New macro.
5953 * caller-save.c (init_caller_save): Use it.
5954 * tm.texi: Document HARD_REGNO_CALLER_SAVE_MODE.
5956 Wed Sep 30 12:57:30 1998 Zack Weinberg <zack@rabi.phys.columbia.edu>
5958 * configure.in: Add --enable-cpplib option which uses cpplib
5959 for cpp, but doesn't link cpplib into cc1. Make help text
5960 capitalization consistent.
5961 * configure: Rebuilt.
5963 Wed Sep 30 10:09:39 1998 Mark Mitchell <mark@markmitchell.com>
5965 * function.c (gen_mem_addressof): If the address REG is
5966 REG_USERVAR_P make the new REG be so also.
5967 * loop.c (scan_loop): Apply DeMorgan's laws and add documentation
5968 in an attempt to clarify slightly.
5970 Wed Sep 30 09:57:40 1998 Jeffrey A Law (law@cygnus.com)
5972 * expr.c (expand_expr): Handle COMPONENT_REF, BIT_FIELD_REF ARRAY_REF
5973 and INDIRECT_REF in code to check MAX_INTEGER_COMPUTATION_MODE.
5975 Wed Sep 30 10:13:39 1998 Catherine Moore <clm@cygnus.com>
5977 * toplev.c: Fix last patch.
5979 Tue Sep 29 20:03:18 1998 Jim Wilson <wilson@cygnus.com>
5981 * loop.c (get_condition): Fix typo in May 9 change.
5983 Tue Sep 29 11:11:38 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
5985 * invoke.texi (-fexceptions): Merge 2 different descriptions.
5987 Mon Sep 28 22:08:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5989 * toplev.c (documented_lang_options): Spelling corrections.
5991 Mon Sep 28 19:41:24 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
5993 * configure.in: new flags --with-ld and --with-as, equivalent
5994 to setting LD and AS environment variables. Test whether
5995 specified arguments are GNU commands, and report them with
5996 checking messages. Use the specified AS for configure
5999 * acconfig.h: add DEFAULT_ASSEMBLER and DEFAULT_LINKER
6001 * gcc.c (find_a_file): when looking for `as' and `ld', return
6002 the DEFAULT program if it exists
6003 * collect2.c (main): use DEFAULT_LINKER if it exists
6005 * gcc.c (find_a_file): the test for existence of a full
6006 pathname was reversed
6008 Mon Sep 28 17:34:35 1998 Michael Meissner <meissner@cygnus.com>
6010 * rs6000.h (ASM_OUTPUT_MI_THUNK): Only define on ELF systems.
6011 * rs6000.c (output_mi_thunk): Always use a raw jump for now.
6013 Mon Sep 28 14:24:03 1998 Mark Mitchell <mark@markmitchell.com>
6015 * tree.h (TYPE_BINFO): Document.
6017 Mon Sep 28 12:55:49 1998 Stan Cox <scox@cygnus.com>
6019 * i386-coff.h (dbxcoff.h): Added.
6021 Mon Sep 28 12:51:00 1998 Catherine Moore <clm@cygnus.com>
6023 * toplev.c: fix bad patch around flag_data_sections.
6025 Mon Sep 28 10:32:28 1998 Nick Clifton <nickc@cygnus.com>
6027 * reload1.c (reload): Use reload_address_index_reg_class and
6028 reload_address_base_reg_class when setting
6029 caller_save_spill_class. (Patch generated by Jim Wilson:
6032 Mon Sep 28 07:43:34 1998 Mark Mitchell <mark@markmitchell.com>
6034 * c-common.c (c_get_alias_set): Tighten slightly for FUNCTION_TYPEs
6035 and ARRAY_TYPEs. Tidy up. Improve support for type-punning.
6036 * expr.c (store_field): Add alias_set parameter. Set the
6037 MEM_ALIAS_SET accordingly, if the target is a MEM.
6038 (expand_assignment): Use it.
6039 (store_constructor_field): Pass 0.
6040 (expand_expr): Likewise.
6042 Mon Sep 28 07:54:03 1998 Catherine Moore <clm@cygnus.com>
6044 * flags.h: Add flag_data_sections.
6045 * toplev.c: Add option -fdata-sections. Add flag_data_sections.
6046 (compile_file): Error if flag_data_sections not supported.
6047 * varasm.c (assemble_variable): Handle flag_data_sections.
6048 * config/svr4.h: Modify prefixes for UNIQUE_SECTION_NAME.
6049 * config/mips/elf.h: Likewise.
6050 * config/mips/elf64.h: Likewise.
6051 * invoke.texi: Describe -fdata-sections.
6053 Mon Sep 28 04:15:44 1998 Craig Burley <burley@melange.gnu.org>
6055 * invoke.texi (-ffloat-store): Clarify that this option
6056 does not affect intermediate results -- only variables.
6058 Mon Sep 28 04:11:35 1998 Jeffrey A Law (law@cygnus.com)
6060 * cpp.texi: Update for Fortran usage from Craig.
6062 Fri Sep 25 22:09:47 1998 David Edelsohn <edelsohn@mhpcc.edu>
6064 * rs6000.c (function_arg_boundary): Revert accidental change on
6067 Fri Sep 25 20:30:00 1998 Michael Meissner <meissner@cygnus.com>
6069 * rs6000.h (ASM_OUTPUT_MI_THUNK): Declare, call output_mi_thunk.
6070 (output_mi_thunk): Declare.
6072 * rs6000.c (output_mi_thunk): Function to create thunks for MI.
6073 (output_function_profiler): Use r12 for temp, instead of r11 so
6074 that we preserve the static chain register.
6076 Fri Sep 25 14:18:33 1998 Jim Wilson <wilson@cygnus.com>
6078 * sdbout.c (sdbout_one_type): Don't look at TYPE_BINFO field of enums.
6080 Fri Sep 25 19:30:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6082 * sh.c (gen_shl_sext): Fix case 5.
6084 Fri Sep 25 17:35:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6086 * reload1.c (reload_combine): Re-add line that got accidentally lost.
6088 Fri Sep 25 10:43:47 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6090 * cccp.c (pedwarn_with_file_and_line): For !__STDC__ case, avoid
6091 accessing variables until they are initialized via va_arg().
6093 Thu Sep 24 22:12:16 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6095 * reload1.c (reload_combine): Initialize set before using.
6097 Thu Sep 24 18:53:20 1998 Jason Merrill <jason@yorick.cygnus.com>
6099 * sdbout.c (sdbout_field_types): Don't emit the types of fields we
6102 Thu Sep 24 17:05:30 1998 Nick Clifton <nickc@cygnus.com>
6104 * config/arm/arm.md (insv): Add comment. In CONST_INT case, and
6105 operand3 with mask before using it. Patch provided by Jim Wilson.
6107 Thu Sep 24 15:08:08 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6109 * config/sparc/sparc.c (function_value): Perform the equivalent of
6110 PROMOTE_MODE for ARCH64.
6111 (eligible_for_epilogue_delay): Allow DImode operations in delay
6112 slot of a return for ARCH64.
6114 Thu Sep 24 22:17:54 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6116 * sh.md (sqrtsf2): Fix mode of sqrt.
6118 Thu Sep 24 21:48:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6120 * reload1.c (choose_reload_regs): Also try inheritance when
6121 reload_in is a stack slot of a pseudo, even if we already got a
6124 Thu Sep 24 21:22:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6126 * reload1.c (reload_cse_regs_1): Renamed from reload_cse_regs.
6127 (reload_cse_regs): New function body: call reload_cse_regs_1,
6128 reload_combine, reload_cse_move2add.
6129 When doing expensive_optimizations, call reload_cse_regs_1 a
6130 second time after reload_cse_move2add.
6131 (reload_combine, reload_combine_note_store): New functions.
6132 (reload_combine_note_use): New function.
6133 (reload_cse_move2add, move2add_note_store): New functions.
6135 Thu Sep 24 18:48:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6137 * reload.c (find_reloads): In code to promote RELOAD_FOR_X_ADDR_ADDR
6138 reloads to RELOAD_FOR_X_ADDRESS reloads, test for reload sharing.
6140 Properly keep track of first RELOAD_FOR_X_ADDRESS also for
6141 more than 3 such reloads.
6143 If there is not more than one RELOAD_FOR_X_ADDRESS, don't change
6144 RELOAD_FOR_X_ADDR_ADDR reload.
6146 Thu Sep 24 17:45:55 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6148 * expr.c (store_constructor): When initializing a field that is smaller
6149 than a word, at the start of a word, try to widen it to a full word.
6151 * cse.c (cse_insn): When we are about to change a register,
6152 remove any invalid references to it.
6154 (remove_invalid_subreg_refs): New function.
6155 (mention_regs): Special treatment for SUBREGs.
6156 (insert_regs): Don't strip SUBREG for call to mention_regs.
6157 Check if reg_tick needs to be bumped up before that call.
6158 (lookup_as_function): Try to match known word_mode constants when
6159 looking for a norrower constant.
6160 (canon_hash): Special treatment for SUBREGs.
6162 Thu Sep 24 01:35:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6164 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Define.
6165 * config/sparc/sparc.c (sparc64_initialize_trampoline): If that is
6166 defined, emit libcall to __enable_execute_stack. Also fix opcodes
6167 and offsets in actual stack trampoline code so they match the
6168 commentary and actually work.
6170 Thu Sep 24 01:19:02 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6172 * configure.in (sparcv9-*-solaris): Use t-sol2 and t-sol2-64 for
6174 (sparc64-*-linux): Use t-linux and sparc/t-linux64 for
6175 tmake_file. Set extra_parts to needed crt objects.
6176 * configure: Rebuilt.
6177 * config/sparc/linux64.h (SPARC_BI_ARCH): Define.
6178 (TARGET_DEFAULT): Set if default is v9 or ultra.
6179 (STARTFILE_SPEC32, STARTFILE_SPEC64): New macros.
6180 (STARTFILE_SPEC): Set to those upon SPARC_BI_ARCH.
6181 (ENDFILE_SPEC32, ENDFILE_SPEC64, ENDFILE_SPEC): Likewise.
6182 (SUBTARGET_EXTRA_SPECS, LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
6183 LINK_SPEC, LINK_ARCH_SPEC): Likewise.
6184 (TARGET_VERSION): Define.
6185 (MULTILIB_DEFAULT): Define.
6186 * config/sparc/sparc.h (CPP_CPU_DEFAULT_SPEC): Rearrange so that
6187 mixed 32/64 bit compilers based upon SPARC_BI_ARCH work.
6188 (CPP_CPU64_DEFAULT_SPEC, CPP_CPU32_DEFAULT_SEC): Define
6190 (TARGET_SWITCHES): Allow ptr32/ptr64 options once more.
6191 * config/sparc/sparc.c (sparc_override_options): If arch and
6192 pointer size disagree, emit diagnostic and fix it up. If
6193 SPARC_BI_ARCH and TARGET_ARCH32, set cmodel to CM_32. Turn off
6194 V8PLUS in 64-bit mode.
6195 * config/sparc/t-linux64: New file.
6196 * config/sparc/t-sol2-64: New file.
6197 * config/sparc/t-sol2: Adjust build rules to use MULTILIB_CFLAGS.
6198 * config/sparc/sol2-sld-64.h (SPARC_BI_ARCH): Define.
6199 (ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC,
6200 CPP_CPU32_DEFAULT_SPEC, CPP_CPU64_DEFAULT_SPEC): Define.
6201 (ASM_SPEC, CPP_CPU_SPEC): Set appropriately based upon those.
6202 (STARTFILE_SPEC32, STARTFILE_SPEC32, STARTFILE_ARCH_SPEC):
6204 (STARTFILE_SPEC): Set approriately based upon those.
6205 (CPP_CPU_DEFAULT_SPEC, ASM_CPU_DEFAULT_SPEC): Set based upon
6206 disposition of DEFAULT_ARCH32_P.
6207 (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC): Define.
6208 (LINK_ARCH_SPEC, LINK_ARCH_DEFAULT_SPEC): Set based upon those.
6209 (CC1_SPEC, MULTILIB_DEFAULTS): Set based upon DEFAULT_ARCH32_P.
6210 (MD_STARTFILE_PREFIX): Set correctly based upon SPARC_BI_ARCH.
6211 * config/sparc/xm-sysv4-64.h (HOST_BITS_PER_LONG): Only set on
6213 * config/sparc/xm-sp64.h (HOST_BITS_PER_LONG): Likewise.
6215 Wed Sep 23 22:32:31 1998 Mark Mitchell <mark@markmitchell.com>
6217 * rtl.h (init_virtual_regs): New function.
6218 * emit-rtl.c (init_virtual_regs): Define.
6219 (insn_emit): Use it.
6220 * integrate.c (save_for_inline_copying): Likewise.
6222 Wed Sep 23 16:22:01 1998 Nick Clifton <nickc@cygnus.com>
6224 * config/arm/thumb.h: The following patches were made by Jim Wilson:
6225 (enum reg_class): Add NONARG_LO_REGS support.
6226 (REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
6227 PREFERRED_RELOAD_CLASS, SECONDARY_RELOAD_CLASS): Likewise.
6228 (GO_IF_LEGITIMATE_ADDRESS): Disable REG+REG addresses before reload
6229 completes. Re-enable HImode REG+OFFSET addresses.
6230 (LEGITIMIZE_RELOAD_ADDRESS): Define.
6232 * expmed.c (extract_bit_field): Add comment from Jim Wilson.
6234 Wed Sep 23 13:26:02 1998 Richard Henderson <rth@cygnus.com>
6236 * alpha.c (get_aligned_mem): Revert Sep 20 change.
6237 (alpha_set_memflags, alpha_set_memflags_1): Likewise.
6238 (alpha_align_insns): Properly calculate initial offset wrt max_align.
6240 Wed Sep 23 10:45:44 1998 Richard Earnshaw (rearnsha@arm.com)
6242 * arm.c (find_barrier): Revert change of Apr 23. Handle table
6243 jumps as a single entity, taking into account the size of the
6246 Tue Sep 22 15:13:34 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
6248 * tree.def (SWITCH_EXPR): New tree node definition.
6250 Mon Sep 21 23:40:38 PDT 1998 Jeff Law (law@cygnus.com)
6252 * version.c: Bump for snapshot.
6254 Mon Sep 21 22:31:14 PDT 1998 Jeff Law (law@cygnus.com)
6256 * version.c: Bump for snapshot.
6258 Mon Sep 21 22:48:09 1998 Jeffrey A Law (law@cygnus.com)
6260 * configure.in: Recognize i[34567]86-*-openbsd* and handle it like
6263 Mon Sep 21 22:05:28 1998 Jeffrey A Law (law@cygnus.com)
6265 * Revert this patch.
6266 * reload.c (find_reloads): Do not replace a pseudo with
6267 (MEM (reg_equiv_addr)) in the initializing insn for the
6270 Mon Sep 21 20:19:41 1998 John Carr <jfc@mit.edu>
6272 * final.c (final_scan_insn): Disable tracking CC across branches.
6274 Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6276 * expr.h (eh_rtime_match_libfunc): New extern declaration.
6277 * optabs.c (init_optabs): Set eh_rtime_match_libfunc.
6278 * except.c (start_catch_handler): Use eh_rtime_match_libfunc.
6279 * libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
6280 NULL. Only include <stdio.h> if inhibit_libc is not defined.
6282 Mon Sep 21 14:10:51 1998 Jason Merrill <jason@yorick.cygnus.com>
6284 * toplev.c (rest_of_compilation): Skip compiling anything with
6285 DECL_EXTERNAL set, not just if it has DECL_INLINE as well.
6287 Mon Sep 21 13:51:05 1998 Jim Wilson <wilson@cygnus.com>
6289 * flow.c (find_basic_blocks): Delete check for in_libcall_block when
6290 prev_code is a CALL_INSN. Change check for REG_RETVAL note to
6291 use in_libcall_block.
6292 (find_basic_blocks_1): Delete check for in_libcall_block when prev_code
6293 is a CALL_INSN. If CALL_INSN and in_libcall_block, then change code
6296 Mon Sep 21 14:02:23 1998
6298 * i386.h: (TARGET_SWITCHES) Improve doc for align-double. Fix
6299 typo in no-fancy-math-387 description.
6301 Mon Sep 21 09:27:18 PDT 1998 Jeff Law (law@cygnus.com)
6303 * version.c: Bump for snapshot.
6305 Mon Sep 21 09:24:49 1998 Stan Cox <scox@cygnus.com>
6307 * i386-coff.h (DBX_DEBUGGING_INFO): Added.
6309 Mon Sep 21 09:14:49 1998 Robert Lipe <robertl@dgii.com>
6311 * i386.h: (TARGET_SWITCHES) Add description fields for flags
6312 documented in install.texi.
6313 (TARGET_OPTIONS) Likewise.
6315 Mon Sep 21 01:39:03 PDT 1998 Jeff Law (law@cygnus.com)
6317 * version.c: Bump for snapshot.
6319 Mon Sep 21 01:53:05 1998 Felix Lee <flee@cygnus.com>
6321 * c-lex.c (init_lex): Use getenv ("LANG"), not GET_ENVIRONMENT ().
6322 * cccp.c (main): Likewise.
6324 * cccp.c, collect2.c, cpplib.c, gcc.c, config/i386/xm-cygwin32.h:
6325 Rename GET_ENVIRONMENT to GET_ENV_PATH_LIST, and fix some
6328 Mon Sep 21 00:52:12 1998 Per Bothner <bothner@cygnus.com>
6330 * Makefile.in (LIBS): Link in libiberty.a.
6331 * c-common.c, gcc.c, toplev.c: Replace (some) bcopy calls by memcpy.
6333 Sun Sep 20 23:28:11 1998 Richard Henderson <rth@cygnus.com>
6335 * reload1.c (emit_reload_insns): Accept a new arg for the bb. Use
6336 it to update bb boundaries. Update caller.
6337 * function.c (reposition_prologue_and_epilogue_notes): Update
6338 bb boundaries wrt the moved note.
6340 Sun Sep 20 20:57:02 1998 Robert Lipe <robertl@dgii.com>
6342 * configure.in (i*86-*-sysv5*): Use fixinc.svr4 to patch byteorder
6344 * configure: Regenerate.
6346 Sun Sep 20 19:01:51 1998 Richard Henderson <rth@cygnus.com>
6348 * alpha.c (alpha_sr_alias_set): New variable.
6349 (override_options): Set it.
6350 (alpha_expand_prologue, alpha_expand_epilogue): Use it.
6351 (mode_mask_operand): Fix signed-unsigned comparision warning.
6352 (alpha_expand_block_move): Likewise.
6353 (print_operand): Likewise.
6354 (get_aligned_mem): Use change_address.
6355 (alpha_set_memflags, alpha_set_memflags_1): Set the alias set.
6356 (alphaev4_insn_pipe, alphaev4_next_group): New functions.
6357 (alphaev4_next_nop, alphaev5_next_nop): New functions.
6358 (alpha_align_insns): Remade from old alphaev5_align_insns
6359 to handle multiple processors.
6360 (alpha_reorg): Call alpha_align_insns for both ev4 and ev5.
6361 * output.h (label_to_alignment): Prototype.
6363 * tree.c (new_alias_set): New function.
6364 * tree.h (new_alias_set): Declare it.
6365 * c-common.c (c_get_alias_set): Use it.
6367 Sun Sep 20 12:35:55 1998 Richard Henderson <rth@cygnus.com>
6369 * fold-const.c (fold): Yet another COND_EXPR bug: when folding
6370 to an ABS expr, convert an unsigned input to signed.
6372 Sun Sep 20 12:14:45 1998 Jeffrey A Law (law@cygnus.com)
6374 * fold-const.c (fold): Fix another type in COND_EXPR handling code.
6376 1998-09-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6378 * configure.in: Add support for c4x targets.
6379 * configure: Rebuilt.
6381 Sun Sep 20 00:00:51 1998 Richard Henderson <rth@cygnus.com>
6383 * combine.c (distribute_notes): If an insn is a cc0 user, only
6384 delete it if we can also delete the cc0 setter.
6386 Sun Sep 20 00:22:23 1998 Michael Tiemann <michael@impact.tiemann.org>
6388 * fold-const.c (fold): Fix typo in COND_EXPR handling code.
6389 (invert_truthvalue): Enable truthvalue inversion for
6390 floating-point operands if -ffast-math.
6392 Sat Sep 19 23:58:07 1998 Melissa O'Neill <oneill@cs.sfu.ca>
6394 * configure.in: Disable collect2 for nextstep. Instead use
6396 * configure: Rebuilt.
6397 * config/nextstep.h (STARTFILE_SPEC): Add crtbegin.
6398 (ENDFILE_SPEC): Define.
6399 (OBJECT_FORMAT_MACHO): Define.
6400 (EH_FRAME_SECTION_ASM_OP): Define.
6401 * crtstuff.c: Handle MACHO.
6403 Sun Sep 20 00:24:24 1998 Robert Lipe <robertl@dgii.com>
6405 * config/i386/sco5.h (TARGET_MEM_FUNCTIONS): Define.
6407 1998-09-19 Torbjorn Granlund <tege@matematik.su.se>
6409 * fp-bit.c (pack_d): Do not clear SIGN when fraction is 0.
6410 (_fpadd_parts): Get sign right for 0.
6412 1998-09-19 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6414 * ginclude/varargs.h: Add support for C4x target.
6415 * ginclude/stdargs.h: Likewise.
6417 Sat Sep 19 12:05:09 1998 Richard Henderson <rth@cygnus.com>
6419 * alpha.c (alpha_return_addr): SET should be VOIDmode.
6420 (alpha_emit_set_long_const): Rewrite to be callable from reload
6422 (alpha_expand_epilogue): Update for alpha_emit_set_long_const.
6423 * alpha.md (movdi): Likewise.
6425 Sat Sep 19 07:33:36 1998 Richard Earnshaw (rearnsha@arm.com)
6427 * arm.c (add_constant): New parameter address_only, change caller.
6428 Set it non-zero if taking the address of an item in the pool.
6429 (arm_reorg): Handle cases where we need the address of an item in
6432 * arm.c (bad_signed_byte_operand): Check both arms of a sum in
6434 * arm.md (splits for *extendqihi_insn and *extendqisi_insn): Handle
6435 memory addresses that are not in standard canonical form.
6437 Sat Sep 19 01:00:32 1998 Michael Hayes (mph@elec.canterbury.ac.nz)
6439 * README.C4X: New file with information about the c4x ports.
6440 * ginclude/va-c4x.h: New file for c4x varargs support.
6441 * config/c4x: New directory with c4x port files.
6443 Fri Sep 18 22:52:05 1998 Jeffrey A Law (law@cygnus.com)
6445 * reload.c (find_reloads): Do not replace a pseudo with
6446 (MEM (reg_equiv_addr)) in the initializing insn for the
6449 Fri Sep 18 23:50:56 1998 David Edelsohn <edelsohn@mhpcc.edu>
6451 * toplev.c (rest_of_compilation): Set bct_p on second call to
6453 * loop.c (loop_optimize, scan_loop, strength_reduce): New argument
6455 (strength_reduce): Only call analyze_loop_iterations and
6456 insert_bct if bct_p set.
6457 (check_dbra_loop): Fix typo.
6458 (insert_bct): Use word_mode instead of SImode.
6459 (instrument_loop_bct): Likewise. Do not delete iteration count
6460 condition code generation insn. Initialize iteration count before
6462 * rtl.h (loop_optimize): Update prototype.
6464 * ginclude/va-ppc.h (va_arg): longlong types in overflow area are
6465 not doubleword aligned.
6467 * rs6000.c (optimization_options): New function.
6468 (secondary_reload_class): Only call true_regnum for PSEUDO_REGs.
6469 * rs6000.h (OPTIMIZATION_OPTIONS): Define.
6470 (REG_ALLOC_ORDER): Allocate highest numbered condition regsiters
6471 first; cr1 can be used for FP record condition insns.
6473 Fri Sep 18 09:44:55 1998 Nick Clifton <nickc@cygnus.com>
6475 * config/m32r/m32r.h (m32r_block_immediate_operand): Add to
6478 * config/m32r/m32r.md: Add "movstrsi" and "movstrsi_internal"
6481 * config/m32r/m32r.c (m32r_print_operand): Add 's' and 'p'
6483 (block_move_call): New function: Call a library routine to copy a
6485 (m32r_expand_block_move): New function: Expand a "movstrsi"
6486 pattern into a sequence of insns.
6487 (m32r_output_block_move): New function: Expand a
6488 "movstrsi_internal" pattern into a sequence of assembler opcodes.
6489 (m32r_block_immediate_operand): New function: Return true if the
6490 RTL is an integer constant, less than or equal to MAX_MOVE_BYTES.
6492 Thu Sep 17 16:42:16 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6494 * except.c (start_catch_handler): Issue 'fatal' instead of 'error' and
6496 * libgcc2.c (__eh_rtime_match): fprintf a runtime error. Use <stdio.h>.
6498 Thu Sep 17 12:24:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6500 * regmove.c (copy_src_to_dest): Check that modes match.
6502 Wed Sep 16 22:10:42 1998 Robert Lipe <robertl@dgii.com>
6504 * config/i386/sco5.h (SUPPORTS_WEAK): True only if targeting ELF.
6506 Wed Sep 16 15:24:54 1998 Richard Henderson <rth@cygnus.com>
6508 * i386.h (PREFERRED_RELOAD_CLASS): Respect an existing class
6509 narrower than FLOAT_REGS.
6511 Wed Sep 16 17:51:00 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6513 * cpplib.c: removed OLD_GPLUSPLUS_INCLUDE_DIR
6515 * Makefile.in (old_gxx_include_dir): removed
6517 Wed Sep 16 12:29:22 1998 Nick Clifton <nickc@cygnus.com>
6519 * config/sh/sh.h: Update definition of HANDLE_PRAGMA to match
6522 * config/sh/sh.c (handle_pragma): Rename to sh_handle_pragma().
6523 (sh_handle_pragma): Change function arguments to match new
6524 specification for HANDLE_PRAGMA.
6526 Wed Sep 16 12:43:19 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6528 * gen-protos.c (parse_fn_proto): Cast argument of ISALNUM to
6530 (main): Mark parameter `argc' with ATTRIBUTE_UNUSED.
6531 When generating output, initialize missing struct member to zero.
6533 Wed Sep 16 14:47:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
6535 * regmove.c (copy_src_to_dest): Don't copy if that requires
6536 (a) new register(s).
6538 Wed Sep 16 01:29:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6540 * global.c (reg_allocno): Now static.
6541 * reload1.c (reg_allocno): Delete declaration.
6542 (order_regs_for_reload): Take no arguments. Don't treat regs
6543 allocated by global differently than those allocated by local-alloc.
6545 Wed Sep 16 01:09:01 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
6547 * m68k/m68k.c (output_function_prologue): Reverse NO_ADDSUB_Q
6548 condition, fix format strings.
6549 (output_function_epilogue): Likewise.
6551 * m68k/m68k.c: Don't include <stdlib.h> directly.
6553 Wed Sep 16 00:30:56 1998 Geoff Keating <geoffk@ozemail.com.au>
6555 * gcse.c: New definition NEVER_SET for reg_first_set, reg_last_set,
6556 mem_first_set, mem_last_set; because 0 can be a CUID.
6557 (oprs_unchanged_p): Use new definition.
6558 (record_last_reg_set_info): Likewise.
6559 (record_last_mem_set_info): Likewise.
6560 (compute_hash_table): Likewise.
6562 Tue Sep 15 22:59:52 1998 Jeffrey A Law (law@cygnus.com)
6564 * rs6000.c (output_epilogue): Handle Chill.
6566 * mn10200.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6567 * mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
6569 * combine.c (make_extraction): If no mode is specified for
6570 an operand of insv, extv, or extzv, default it to word_mode.
6571 (simplify_comparison): Similarly.
6572 * expmed.c (store_bit_field): Similarly.
6573 (extract_bit_field): Similarly.
6574 * function.c (fixup_var_regs_1): Similarly.
6575 * recog.c (validate_replace_rtx_1): Similarly.
6576 * mips.md (extv, extzv, insv expanders): Default modes for most
6577 operands. Handle TARGET_64BIT.
6578 (movdi_uld, movdi_usd): New patterns.
6580 * pa.c (emit_move_sequence): Do not replace a pseudo with its
6581 equivalent memory location unless we have been provided a scratch
6582 register. Similarly do not call find_replacement unless a
6583 scratch register has been provided.
6585 Tue Sep 15 19:23:01 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6587 * i386.h (PREFERRED_RELOAD_CLASS): For standard 387 constants,
6590 Tue Sep 15 19:09:06 1998 Richard Henderson <rth@cygnus.com>
6592 * tree.h (BUILT_IN_CALLER_RETURN_ADDRESS): Unused. Kill.
6593 (BUILT_IN_FP, BUILT_IN_SP, BUILT_IN_SET_RETURN_ADDR_REG): Kill.
6594 (BUILT_IN_EH_STUB_OLD, BUILT_IN_EH_STUB, BUILT_IN_SET_EH_REGS): Kill.
6595 (BUILT_IN_EH_RETURN, BUILT_IN_DWARF_CFA): New.
6596 * c-decl.c (init_decl_processing): Update accordingly.
6597 * expr.c (expand_builtin): Likewise.
6599 * rtl.h (global_rtl): Add cfa entry.
6600 (virtual_cfa_rtx, VIRTUAL_CFA_REGNUM): New.
6601 (LAST_VIRTUAL_REGISTER): Update.
6602 * emit-rtl.c (global_rtl): Add cfa entry.
6603 (init_emit): Initialize it.
6604 * function.c (cfa_offset): New.
6605 (instantiate_virtual_regs): Initialize it.
6606 (instantiate_virtual_regs_1): Instantiate virtual_cfa_rtx.
6607 (expand_function_end): Call expand_eh_return.
6608 * tm.texi (ARG_POINTER_CFA_OFFSET): New.
6610 * except.c (current_function_eh_stub_label): Kill.
6611 (current_function_eh_old_stub_label): Likwise; update all references.
6612 (expand_builtin_set_return_addr_reg): Kill.
6613 (expand_builtin_eh_stub_old, expand_builtin_eh_stub): Kill.
6614 (expand_builtin_set_eh_regs): Kill.
6615 (eh_regs): Produce a third reg for the actual handler address.
6616 (eh_return_context, eh_return_stack_adjust): New.
6617 (eh_return_handler, eh_return_stub_label): New.
6618 (init_eh_for_function): Initialize them.
6619 (expand_builtin_eh_return, expand_eh_return): New.
6620 * except.h: Update prototypes.
6621 * flow.c (find_basic_blocks_1): Update references to the stub label.
6622 * function.h (struct function): Kill stub label elements.
6624 * libgcc2.c (in_reg_window): For REG_SAVED_REG, check that the
6625 register number is one that would be in the previous window.
6626 Provide a dummy definition for non-windowed targets.
6627 (get_reg_addr): New function.
6628 (get_reg, put_reg, copy_reg): Use it.
6629 (__throw): Rely on in_reg_window, not INCOMING_REGNO. Kill stub
6630 generating code and use __builtin_eh_return. Use __builtin_dwarf_cfa.
6632 * alpha.c (alpha_eh_epilogue_sp_ofs): New.
6633 (alpha_init_expanders): Initialize it.
6634 (alpha_expand_epilogue): Use it.
6635 * alpha.h: Declare it.
6636 * alpha.md (eh_epilogue): New.
6638 * m68h.h (ARG_POINTER_CFA_OFFSET): New.
6639 * sparc.h (ARG_POINTER_CFA_OFFSET): New.
6641 Tue Sep 15 19:31:58 1998 Michael Meissner <meissner@cygnus.com>
6643 * i960.h (CONST_COSTS): Fix thinko. Test flag, not the constant
6646 Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6648 * except.h (struct eh_entry): Add false_label field.
6649 (end_catch_handler): Add prototype.
6650 * except.c (push_eh_entry): Set false_label field to NULL_RTX.
6651 (start_catch_handler): When using old style exceptions, issue
6652 runtime typematch code before continuing with the handler.
6653 (end_catch_handler): New function, generates label after handler
6654 if needed by older style exceptions.
6655 (expand_start_all_catch): No need to check for new style exceptions.
6656 (output_exception_table_entry): Only output the first handler label
6657 for old style exceptions.
6658 * libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
6659 mechanism into one function, if a runtime matcher is provided.
6661 Tue Sep 15 13:53:59 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
6663 * config/i960/i960.h (SLOW_BYTE_ACCESS): Change definition to 1.
6665 Tue Sep 15 09:59:01 1998 Mark Mitchell <mark@markmitchell.com>
6667 * integrate.c (copy_decl_list): Fix typo.
6669 Tue Sep 15 04:18:52 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6671 * config/sparc/sparc.md (movdf_const_intreg_sp32): Fix length
6674 Mon Sep 14 14:02:53 PDT 1998 Jeff Law (law@cygnus.com)
6676 * version.c: Bump for snapshot.
6678 Mon Sep 14 10:33:56 PDT 1998 Jeff Law (law@cygnus.com)
6680 * version.c: Bump for snapshot.
6682 Mon Sep 14 09:51:05 PDT 1998 Jeff Law (law@cygnus.com)
6684 * version.c: Bump for snapshot.
6686 Sun Sep 13 22:10:18 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6688 * invoke.texi (C Dialect Options): Put back missing @end itemize.
6690 Mon Sep 14 02:33:46 1998 Alexandre Oliva <oliva@dcc.unicamp.br>
6692 * configure.in: remove usage of `!' to negate the result of a
6693 command; some common shells do not support it
6695 Sun Sep 13 19:17:35 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6697 * configure.in: in sparc9-sol2 config, use 'if test' not
6699 * configure: Rebuilt.
6701 * config/sparc/sol2-sld-64.h (SPARC_DEFAULT_CMODEL): Change to
6703 (CPP_CPU_SPEC): Do not define _LP64, header files do this.
6704 (CPP_CPU_DEFAULT_SPEC): Likewise.
6705 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Get the names right
6706 for arch64 libfuncs.
6708 * config/sparc/sparc.md (goto_handler_and_restore): Allow any mode
6711 Sun Sep 13 09:11:59 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6713 * acconfig.h (NEED_DECLARATION_STRSIGNAL): Provide a stub.
6715 * collect2.c: Don't declare `sys_siglist' here.
6716 (my_strsignal): Prototype and define new function. Use it in
6717 place of `sys_siglist' hacks.
6719 * mips_tfile.c: Likewise.
6721 * configure.in (AC_CHECK_FUNCS): Check for strsignal.
6722 (GCC_NEED_DECLARATIONS): Likewise.
6724 * system.h (strsignal): Prototype it, if necessary.
6725 (sys_siglist): Declare it, if necessary.
6727 Sun Sep 13 04:37:28 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6729 * loop.c (move_movables): While removing insn sequences, preserve
6730 the next pointer of the most recently deleted insn when we skip
6733 Sun Sep 13 08:13:39 1998 Ben Elliston <bje@cygnus.com>
6735 * objc/config-lang.in: Do not output the name of the selected
6736 thread file when building the front-end. The Makefile for the
6737 runtime library will do this.
6739 * objc/Make-lang.in: Do not build the runtime library or install
6740 the Objective C header files. The Makefile for the runtime
6741 library will do this.
6743 * objc/Makefile.in (all.indirect): Only build the front-end.
6744 (compiler): Rename to `frontend'.
6745 (obj-runtime): Remove target.
6746 (copy-headers): Likewise.
6747 (clean): No need to remove `libobjc.a' any longer.
6749 Sat Sep 12 11:37:19 1998 Michael Meissner <meissner@cygnus.com>
6751 * rs6000.h ({ASM,CPP}_CPU_SPEC): Add support for all machines
6752 supported with -mcpu=xxx.
6754 Fri Sep 11 23:55:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6756 * flow.c (mark_set_1): Recognize multi-register structure return
6757 values in CALL insns.
6758 (mark_used_regs): Likewise.
6759 (count_reg_sets_1): Likewise.
6760 (count_reg_references): Likewise.
6761 * rtlanal.c (note_stores): Likewise.
6762 (reg_overlap_mentioned_p): Likewise.
6763 * haifa-sched.c (check_live_1): Likewise.
6764 (update_live_1): Likewise.
6765 (sched_analyze_1): Likewise.
6766 (sched_note_set): Likewise.
6767 (birthing_insn_p): Likewise.
6768 (attach_deaths): Likewise.
6770 * config/sparc/sparc.md (movdf_const_intreg_sp64): Disable.
6773 Fri Sep 11 22:57:55 1998 Eric Dumazet <dumazet@cosmosbay.com>
6775 * config/i386/sco5.h (ASM_WEAKEN_LABEL): Defined as in svr4.h.
6777 Thu Sep 10 22:02:04 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6779 * glimits.h (__LONG_MAX__): Recognize __sparcv9 too.
6781 Thu Sep 10 21:19:10 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6783 * configure.in: Add check for GAS subsection -1 support.
6784 * acconfig.h (HAVE_GAS_SUBSECTION_ORDERING): Add.
6785 * configure config.in: Rebuilt.
6786 * config/sparc/sparc.h (CASE_VECTOR_MODE): For V9 flag_pic, use
6787 SImode is subsection -1 works, else use DImode.
6788 (ASM_OUTPUT_ADDR_VEC_START, ASM_OUTPUT_ADDR_VEC_END): Define if
6789 subsection -1 works.
6790 * config/sparc/sparc.c (sparc_output_addr_vec,
6791 sparc_output_addr_diff_vec): Use them if defined.
6793 Thu Sep 10 10:46:01 1998 Mark Mitchell <mark@markmitchell.com>
6795 * tree.h (DECL_ORIGIN): New macro.
6796 * integrate.c (copy_and_set_decl_abstract_origin): New function.
6797 (copy_decl_list): Use it.
6798 (integrate_parm_decls): Likewise.
6799 (integrate_decl_tree): Likewise.
6800 * dwarf2out.c (decl_ultimate_origin): Simplify.
6801 * dwarfout.c (decl_ultimate_origin): Likewise.
6802 * c-decl.c (duplicate_decls): Use DECL_ORIGIN.
6803 (pushdecl): Likewise.
6805 Thu Sep 10 08:01:31 1998 Anthony Green <green@cygnus.com>
6807 * config/rs6000/rs6000.c (output_epilog): Add Java support.
6809 Thu Sep 10 14:48:59 1998 Martin von Löwis <loewis@informatik.hu-berlin.de>
6811 * invoke.texi (C++ Dialect Options): Document -fhonor-std.
6813 Thu Sep 10 01:38:05 1998 Jeffrey A Law (law@cygnus.com)
6815 * reg-stack.c (straighten_stack): Do nothing if the virtual stack is
6816 empty or has a single entry.
6818 * toplev.c (rest_of_compilation): Open up the dump file for reg-stack
6819 before calling reg_to_stack.
6821 Thu Sep 10 00:03:34 1998 Richard Henderson <rth@cygnus.com>
6823 * alpha.c (alphaev5_insn_pipe): Abort on default case.
6824 (alphaev5_next_group): Swallow CLOBBERs and USEs.
6826 * c-tree.h (warn_long_long): Declare it.
6828 Wed Sep 9 23:31:36 1998 (Stephen L Moshier) <moshier@world.std.com>
6830 * emit-rtl.c (gen_lowpart_common): Disable optimization of
6831 initialized float-int union if the value is a NaN.
6833 Wed Sep 9 23:00:48 1998 Nathan Sidwell <nathan@acm.org>
6835 * c-lex.c (real_yylex): Don't warn about long long constants if
6836 we're allowing long long
6838 Wed Sep 9 21:58:41 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
6840 * except.h (current_function_eh_stub_label): Declare.
6841 (current_function_eh_old_stub_label): Declare.
6842 * function.h (struct function): New members eh_stub_label and
6844 * except.c (current_function_eh_stub_label): New variable.
6845 (current_function_eh_old_stub_label): New variable.
6846 (init_eh_for_function): Clear them.
6847 (save_eh_status): Save them.
6848 (restore_eh_status): Restore them.
6849 (expand_builtin_eh_stub): Set current_function_eh_stub_label.
6850 (expand_builtin_eh_stub_old): Set current_function_eh_old_stub_label.
6851 * flow.c (find_basic_blocks_1): When handling a REG_LABEL note, don't
6852 make an edge from the block that contains it to the block starting
6853 with the label if this label is one of the eh stub labels.
6854 If eh stub labels exist, show they are reachable from the last block
6857 * reload1.c (reload): Break out several subroutines and make some
6859 (calculate_needs_all_insns): New function, broken out of reload.
6860 (calculate_needs): Likewise.
6861 (find_reload_regs): Likewise.
6862 (find_group): Likewise.
6863 (find_tworeg_group): Likewise.
6864 (something_needs_reloads): New global variable, formerly in reload.
6865 (something_needs_elimination): Likewise.
6866 (caller_save_spill_class): Likewise.
6867 (caller_save_group_size): Likewise.
6868 (max_needs): Likewise.
6869 (group_size): Likewise.
6870 (max_groups): Likewise.
6871 (max_nongroups): Likewise.
6872 (group_mode): Likewise.
6873 (max_needs_insn): Likewise.
6874 (max_groups_insn): Likewise.
6875 (max_nongroups_insn): Likewise.
6876 (failure): Likewise.
6878 * print-rtl.c (print_rtx): For MEMs, print MEM_ALIAS_SET.
6880 Wed Sep 9 13:14:41 1998 Richard Henderson <rth@cygnus.com>
6882 * loop.c (load_mems): Copy rtx for output mem.
6884 Wed Sep 9 15:16:58 1998 Gavin Romig-Koch <gavin@cygnus.com>
6886 * mips/abi64.h (LONG_MAX_SPEC): Don't set LONG_MAX for
6887 mips1 or mips2 either.
6889 Wed Sep 9 12:31:35 1998 Jeffrey A Law (law@cygnus.com)
6891 * pa.c (pa_reorg): New marking scheme for jumps inside switch
6893 (pa_adjust_insn_length): Update to work with new marking scheme
6894 for jumps inside switch tables.
6895 * pa.md (switch_jump): Remove pattern.
6896 (jump): Handle jumps inside jump tables.
6898 * Makefile.in (profile.o): Depend on insn-config.h
6900 Wed Sep 9 09:36:51 1998 Jim Wilson <wilson@cygnus.com>
6902 * iris6.h (DWARF2_UNWIND_INFO): Undef.
6904 Wed Sep 9 01:32:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
6906 Add preliminary native sparcv9 Solaris support.
6907 * configure.in: Recognize sparv9-*-solaris2*
6908 * configure: rebuilt
6909 * config.sub: Recognize sparcv9 just like sparc64.
6910 * config/sparc/sol2-c1.asm config/sparc/sol2-ci.asm
6911 config/sparc/sol2-cn.asm: Macroize so it can be shared between
6912 32-bit and 64-bit Solaris systems.
6913 * config/sparc/t-sol2: Assemble those with cpp.
6914 * config/sparc/sparc.h (TARGET_CPU_sparcv9): New alias for v9.
6915 (*TF*_LIBCALL): If ARCH64 use V9 names.
6916 * config/sparc/{xm-sysv4-64,sol2-sld-64}.h: New files.
6918 Wed Sep 9 01:07:30 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
6920 * config/sparc/sparc.h (TARGET_CM_MEDMID): Fix documentation.
6921 (CASE_VECTOR_MODE): Set to SImode even if PTR64, when MEDLOW and
6923 (ASM_OUTPUT_ADDR_{VEC,DIFF}_ELT): Check CASE_VECTOR_MODE not
6925 * config/sparc/sparc.md (tablejump): Likewise, and sign extend op0
6926 to Pmode if CASE_VECTOR_MODE is something else.
6928 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
6930 * prefix.c (update_path): Correctly handle cases where PATH is
6931 a substring of the builtin prefix, but specifies a different
6934 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
6936 * expr.c: Corrected comment about what MOVE_RATIO does.
6937 * config/alpha/alpha.h: Ditto.
6938 * config/1750a/1750a.h: Ditto.
6939 * config/clipper/clipper.h: Ditto.
6940 * config/i386/i386.h: Ditto.
6942 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
6944 * configure.in (m68k-next-nextstep3*): Use collect2.
6945 Similarly for x86 NeXT configurations.
6946 * configure: Rebuilt.
6948 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
6950 * configure.in: Don't assume srcdir is .../gcc
6951 * configure: Rebuilt.
6953 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
6955 * global.c: Update comments.
6956 (global_alloc): Assign allocation-numbers
6957 even for registers allocated by local_alloc in case
6958 they are later spilled and retry_global_alloc is called.
6959 (mark_reg_store, mark_reg_clobber,
6960 mark_reg_conflicts, mark_reg_death): Always record a
6961 conflict with a pseudo register even if it has been
6962 assigned to a hard register.
6963 (dump_conflicts): Don't list pseudo registers already assigned to
6964 a hard register as needing to be allocated, but do list their
6966 * local-alloc.c: Update comment.
6968 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
6970 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
6971 * configure: Rebuilt.
6973 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
6975 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
6977 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
6978 for all targets that set -msoft-float.
6980 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6982 * toplev.c (print_switch_values): Make static to match prototype.
6984 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
6986 * configure.in: If we are unable to find the "gnatbind" program,
6987 then do not configure the ada subdir.
6988 * configure: Rebuilt.
6990 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
6992 * version.c: Bump for snapshot.
6994 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
6996 * version.c: Bump for snapshot.
6998 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7000 * Makefile.in (toplev.o): Depend on $(EXPR_H).
7001 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
7003 * gansidecl.h: Define ATTRIBUTE_NORETURN.
7005 * genattrtab.c: Have insn-attrtab.c include toplev.h.
7007 * genextract.c: Have insn-extract.c include toplev.h.
7009 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
7011 * toplev.c: Include expr.h.
7012 (really_sorry, fancy_abort): Remove prototypes.
7013 (set_target_switch): Add argument in prototype.
7014 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
7015 (v_really_sorry): Likewise.
7016 (print_version, print_single_switch, print_switch_values): Make
7017 static and add prototype arguments.
7018 (decl_printable_name): Add prototype arguments.
7019 (lang_expand_expr_t): New typedef.
7020 (lang_expand_expr): Declare as a lang_expand_expr_t.
7021 (incomplete_decl_finalize_hook): Add prototype argument.
7022 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
7023 (botch): Likewise for variable `s'.
7024 (rest_of_type_compilation): Mark variables `type' and `toplev'
7025 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
7026 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
7027 (display_help): Make variable `i' an `unsigned long'.
7028 (main): Remove unused parameter `envp'.
7029 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
7030 Cast -1 when comparing it with a `size_t'.
7032 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
7033 prototype with ATTRIBUTE_NORETURN.
7034 (fatal_insn_not_found, fatal_insn, really_sorry,
7035 push_float_handler, pop_float_handler): Add prototypes.
7036 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
7037 (do_abort, botch): Add prototypes.
7039 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
7041 * final.c (final): If a label is reached only from a single jump,
7042 call NOTICE_UPDATE_CC on the jump and its predecessor before
7043 emitting the insn after the label.
7045 * i386.h: Add AMD K6 support.
7046 Change TARGET_* macros to use table lookup.
7047 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
7048 (ADJUST_COST): Change definition to call function in i386.c.
7049 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
7050 * i386.c: Add AMD K6 support.
7051 Add constants for feature tests used by TARGET_* macros.
7052 (split_di): If before reload, call gen_lowpart and gen_highpart.
7053 (x86_adjust_cost): New function.
7054 (put_jump_code): New function.
7055 (print_operand): New codes 'D' and 'd'.
7056 * i386.md: New insn types. New insn attribute "memory".
7057 Redefine scheduling parameters to use new types and add AMD K6
7058 support. Explicitly set type of most insns.
7059 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
7060 Pro and K6 prefer movl $1,reg to incl reg.
7061 (adddi3, subdi3): Set cc_status.
7062 (DImode shift patterns): Change label counters from HOST_WIDE_INT
7063 to int; x86 can't have more than 2^31 DImode shifts per file.
7064 (setcc): Combine all setcc patterns. Allow writing memory.
7065 Combine all jump patterns using match_operator.
7066 (*bzero): Name pattern. Emit mutliple stos instructions when that
7067 is faster than rep stos.
7068 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
7071 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
7073 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
7076 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
7078 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
7079 not whatever we're generating now.
7081 * alpha.c (set_frame_related_p, FRP): New.
7082 (alpha_expand_prologue): Mark frame related insns.
7083 (alpha_expand_epilogue): Likewise, but with a null FRP.
7084 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
7085 * alpha.md (exception_receiver): New.
7086 * alpha/crtbegin.asm (.eh_frame): New beginning.
7087 (__do_frame_setup, __do_frame_takedown): New.
7088 * alpha/crtend.asm (.eh_frame): New ending.
7089 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
7090 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
7091 (ASM_FILE_START): Don't emit .file for dwarf2.
7093 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
7094 * rtl.c (reg_note_name): Likewise.
7095 * rtl.texi (REG_NOTES): Likewise.
7096 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
7099 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
7101 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
7102 * i386.md (movsf, movdf, movxf): Validate memory address returned
7103 from force_const_mem. Kill useless REG_EQUAL setting code.
7105 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
7107 * m68k.md (zero_extendsidi2): Fix typo.
7109 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
7111 * configure.in: Removed references to the removed file
7112 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
7113 * arm*-*-netbsd* and ns32k-*-netbsd*.
7114 * config/i386/xm-netbsd.h: Removed unnecessary file.
7115 * config/m68k/xm-netbsd.h: Likewise.
7116 * config/sparc/xm-netbsd.h: Likewise.
7117 * config/mips/xm-netbsd.h: Likewise.
7119 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
7121 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
7122 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
7124 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
7125 for exact section attributions.
7127 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
7129 * i386/crtdll.h (CPP_PREDEFINES): Define.
7131 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
7133 * m68k.md (5200 movqi): Do not allow byte sized memory references
7135 * m68k.c (output_move_qimode): Do not use byte sized operations on
7138 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
7139 explicit rules for building. Similarly for alloca, vfprintf,
7140 choose-temp and mkstemp, getopt, getopt1, and obstack.
7141 (INCLUDES): Add $(srcdir)/../include.
7142 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
7143 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
7145 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
7147 * gcc.c (do_spec_1): [case 'o'] Account for
7148 lang_specific_extra_outfiles.
7149 (main): Correctly clear all slots in outfiles for
7150 lang_specific_extra_outfiles. Set input_file_number before
7151 calling lang_specific_pre_link.
7153 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
7155 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
7157 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7159 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
7161 (sparc_output_deferred_case_vectors): If no work to do, return.
7162 Fix thinko in Sept 1 change.
7164 1998-09-03 SL Baur <steve@altair.xemacs.org>
7166 * Makefile.in: add semicolon in BISON definition for portability.
7168 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
7170 * config/nextstep.c (handle_pragma): Correct name of third
7173 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
7175 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
7176 * config/m32r/m32r.h: Make register 17 be fixed.
7177 * config/m32r/m32r.c: Use SImode for cc operations.
7179 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
7181 * invoke.texi (Warning Options): Add -Wnon-template-friend
7184 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
7186 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
7188 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
7190 * rs6000.md (movsf): Disable explicit secondary-reload-like
7191 functionality if TARGET_POWERPC64.
7192 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
7195 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
7197 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
7198 and term.h from fixinc.wrap.
7200 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7202 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
7203 safe to include both string.h and strings.h together.
7204 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
7205 which headers to search for function declarations. Continue to
7206 prefer string.h over strings.h when both are not acceptable.
7208 * acconfig.h (STRING_WITH_STRINGS): Add stub.
7210 * configure.in: Call GCC_HEADER_STRING.
7212 * system.h: Test STRING_WITH_STRINGS when deciding which headers
7213 to include. Continue to prefer string.h over strings.h when both
7216 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7218 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
7219 not assume top 32-bits of symbolic addresses are zero if
7222 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
7224 * ginclude/va-alpha.h: Protect entire second portion of the
7225 file against double inclusion.
7227 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
7229 Added support for the Boehm's garbage collector.
7230 * configure.in: Handle --enable-objc-gc.
7231 * configure: Rebuilt.
7232 * Makefile.in (CHECK_TARGETS): Add check-objc.
7233 (check-objc): New rule.
7234 * objc/Make-lang.in: Build a different Objective-C library that
7235 runs with the Boehm's collector.
7236 * objc/encoding.c (objc_round_acc_size_for_types): New function.
7237 * objc/encoding.c: Correctly compute the size of compound types in
7238 the presence of bitfields. Skip the variable name of the type if
7239 any. Added support for long long.
7240 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
7241 (_F_GCINVISIBLE): New mask.
7242 * objc/gc.c: New file. Compute the type memory mask associated with
7243 a class based on the runtime information.
7244 * objc/misc.c: Added the hooks that use the Boehm's collector
7245 allocation functions.
7246 * objc/objc-act.c (build_class_template): Generate a new class
7247 member (gc_object_type) to hold the class' type memory mask.
7248 (build_shared_structure_initializer): Initialize the new member to
7250 (encode_complete_bitfield): New function. Generate the new
7252 (encode_field_decl): Generate the new encoding only for the GNU
7254 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
7256 (class_get_gc_object_type): New function to mark a pointer instance
7257 variable as a weak pointer.
7258 * objc/objc-features.texi: New file.
7259 * objc/objc.h (gc_object_type): New class member.
7260 * objc/objects.c (class_create_instance): Create a typed memory
7261 object when compiled with Boehm's collector support.
7262 * objc/sendmsg.c (__objc_init_install_dtable): Call
7263 __objc_send_initialize instead of setting the initialize flag.
7264 (__objc_send_initialize): Call __objc_generate_gc_type_description
7265 to generate the class type memory mask. Rewrite the code that
7266 sends the +initialize so that it is called only once (bug report
7267 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
7268 * testsuite/objc: New testsuite for Objective-C type encoding.
7269 * testsuite/lib/objc-torture.exp: New file.
7270 * testsuite/lib/objc.exp: New file.
7272 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
7274 * jump.c (jump_optimize): In if/then/else transformations, add
7275 another call to modified_between_p for the jump insn.
7277 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
7279 * fix-header.c (symlink): Treat like readlink.
7281 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7283 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
7286 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
7288 * config/nextstep.h: Update HANDLE_PRAGMA macro.
7289 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
7290 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
7292 * config/nextstep.c (handle_pragma): Take three arguments, as per
7293 the new HANDLE_PRAGMA macro specification.
7294 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
7295 per the new HANDLE_PRAGMA macro specification.
7296 * config/i960/i960.c (process_pragma): Take three arguments, as
7297 per the new HANDLE_PRAGMA macro specification.
7299 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
7301 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
7302 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
7303 if unknown pragmas are encountered.
7304 (handle_sysv_pragma): Interpret return code from
7305 handle_pragma_token (). Return success/failure indication rather
7306 than next unprocessed character.
7307 (pragma_getc): New function: retrieves characters from the
7308 input stream. Defined when HANDLE_PRAGMA is enabled.
7309 (pragma_ungetc): New function: replaces characters back into the
7310 input stream. Defined when HANDLE_PRAGMA is enabled.
7312 * c-pragma.c (handle_pragma_token): Return success/failure status
7315 * c-pragma.h: Change prototype of handle_pragma_token().
7317 * varasm.c: (handle_pragma_weak): Only create this function if
7318 HANDLE_PRAGMA_WEAK is defined.
7320 * c-common,c (decl_attributes): If defined call the expression
7321 contained within the INSERT_ATTRIBUTES macro before adding
7322 attributes to a decl.
7324 * tm.texi (HANDLE_PRAGMA): Document the new verion of
7325 HANDLE_PRAGMA, which takes three arguments.
7326 (INSERT_ATTRIBUTES): Document this new macro.
7328 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
7329 new INSERT_ATTRIBUTES macro.
7331 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7333 * config/sparc/sparc.md (movdf): Only generate special RTL for
7334 LABEL_REFs when PIC.
7335 (move_label_di): Remove
7336 (movdi_pic_label_ref, movdi_high_pic_label_ref,
7337 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
7338 references when PIC.
7339 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
7340 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
7341 output an .xword for all 64-bit cases.
7343 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7345 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
7346 alignment, use FUNCTION_BOUNDARY instead.
7347 (sparc_output_deferred_case_vectors): Likewise.
7349 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7351 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
7352 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
7354 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
7356 * alpha/va_list.h: New file.
7357 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
7359 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
7361 * NEWS: Add SCO Openserver and Unixware 7 notes.
7365 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
7367 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
7368 (record_constant_1): Handle RANGE_EXPR.
7370 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
7372 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
7373 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
7374 and NOTE_INSN_RANGE_END specially.
7375 (reemit_notes): Likewise.
7377 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7379 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
7380 (ultrasparc_sched_init): Remove unneeded &.
7382 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7384 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
7385 for m68020-60, to prevent the use of fintrz.
7387 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
7389 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
7391 * Makefile.in: Likewise.
7392 * configure: Regenerated.
7394 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
7396 * configure.in (gxx_include_dir): Changed to
7397 '${prefix}/include/g++'-${libstdcxx_interface}.
7398 * configure: Rebuilt.
7400 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
7402 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
7404 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
7405 *sequences* *below* which scalar moves will be used.
7407 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
7409 * collect2.c (mktemp): Delete unused declaration.
7411 * config/xm-netbsd.h: Remove unnecessary file.
7412 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
7413 file anymore, it is not needed.
7415 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
7417 * convert.c (convert_to_integer): Issue an error on conversions to
7420 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
7422 * Makefile.in: Add lang_tree_files and gencheck.h.
7423 * configure.in: Generate them.
7424 * gencheck.c: Include gencheck.h.
7426 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7428 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
7429 movdi_lo_sum_pic and movdi_high_pic and make visible.
7430 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
7431 emit these when Pmode is not SImode.
7432 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
7434 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
7436 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
7437 .linkonce directive after the first time.
7439 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
7441 * m68k.md (beq0_di): Generate correct (and more efficient) code when
7442 the clobbered operand overlaps with an input.
7443 (bne0_di): Similarly.
7445 * Makefile.in (INSTALL): Remove "--no-header" argument.
7447 * NEWS: Various updates.
7449 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7451 * config/sparc/sparc.c (arith_operand, const64_operand,
7452 const64_high_operand, arith_double_4096_operand): Mark mode as
7454 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
7456 (sparc_emit_set_const64): Remove unused variable i.
7457 (sparc_splitdi_legitimate): Likewise for addr_part.
7458 (ultra_code_from_mask): Likewise for mask.
7459 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
7460 reverse return values so it matches usage and comments.
7461 (ultra_flush_pipeline): Likewise.
7462 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
7463 this_type, and allow loads and stores of differing FP modes as
7464 they do not create a conflict.
7465 (ultra_find_type): Initialize fpmode to SFmode, fix
7466 parenthesization thinkos in large conditional.
7467 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
7468 Init free_slot_mask after ultra_cur_hist is reset, not before.
7469 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
7470 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
7471 use ultra_flush_pipeline instead, then re-init group pointer.
7472 Fix statement with no effect. If no progress made in, and no
7473 instructions scheduled at all, advance to new pipeline cycle else
7474 we get into an endless loop.
7475 (ultrasparc_adjust_cost): Remove previous arg.
7476 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
7478 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
7480 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
7481 code. Use reg_overlap_mentioned_p to detect when source and
7482 destination overlap.
7483 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
7485 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
7487 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
7488 COMPARISON_VAL, into invariant_p.
7490 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7492 * regmove.c (regclass_compatible_p): New function.
7493 (regmove_optimize): Use it.
7495 Use NREGS parameter insted of calling max_reg_num.
7497 (fixup_match_1): Don't use code = MINUS when later tieing with
7498 a hard register is likely.
7500 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7502 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
7503 COMPARISON_VAL was normalized.
7505 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
7507 * loop.c (check_dbra_loop): The loop ending comparison value
7508 must be an invariant or we can not reverse the loop.
7510 * loop.c (scan_loop): Count down from max_reg_num - 1 to
7511 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
7513 (load_mems_and_recount_loop_regs_set): Likewise.
7515 * i386.c (print_operand): Remove obsolete 'c' docs.
7517 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
7519 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
7520 * frame.c (init_object_mutex): New function.
7521 (init_object_mutex_once): Likewise.
7522 (find_fde): Call it.
7523 (__register_frame_info): Likewise.
7524 (__register_frame_info_table): Likewise.
7525 (__deregister_frame_info): Likewise.
7527 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
7529 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
7531 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7533 * loop.c (check_dbra_loop): Enable code for reversal
7534 of some loops without a known constant loop end.
7536 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
7538 * haifa-sched.c (last_clock_var): New.
7539 (schedule_block): Initialize it.
7540 (schedule_insn): Use it to fill insn modes with issue information.
7542 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
7543 Tag trapb and next insn with TImode.
7544 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
7545 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
7546 Invoke alphaev5_align_insns as appropriate.
7547 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
7548 (MD_SCHED_VARIABLE_ISSUE): New.
7549 * alpha.md (attr type): Add multi.
7550 (define_asm_attributes): New.
7551 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
7552 (arg_home): Likewise.
7553 (fnop, unop, realign): New.
7555 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
7557 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
7558 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
7560 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
7561 (rs6000-ibm-aix4.[12]*): Likewise.
7562 * configure: Regnerate.
7564 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
7566 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
7567 already contains the return address.
7569 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
7571 * calls.c (expand_call): Use bitfield instructions to extract/deposit
7572 word sized hunks when loading unaligned args into registers.
7574 * haifa-sched.c (sched_analyze_insn): Only create scheduling
7575 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
7577 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
7579 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7581 * loop.c (check_dbra_loop): Add some code that would allow reversal
7582 of some loops without a known constant loop end if it were enabled.
7584 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
7586 * mips.md (lshrsi3_internal2+2): Fix type-o.
7588 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7590 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
7591 correctly with regards to stdio.h.
7593 * calls.c: Remove stdarg.h/varargs.h.
7596 * combine.c: Likewise.
7597 * cpperror.c: Likewise.
7598 * cpplib.c: Likewise.
7599 * cpplib.h: Likewise.
7600 * doprint.c: Likewise.
7601 * emit-rtl.c: Likewise.
7602 * final.c: Likewise.
7603 * fix-header.c: Likewise.
7605 * genattr.c: Likewise.
7606 * genattrtab.c: Likewise.
7607 * gencodes.c: Likewise.
7608 * genconfig.c: Likewise.
7609 * genemit.c: Likewise.
7610 * genextract.c: Likewise.
7611 * genflags.c: Likewise.
7612 * genopinit.c: Likewise.
7613 * genoutput.c: Likewise.
7614 * genpeep.c: Likewise.
7615 * genrecog.c: Likewise.
7616 * mips-tfile.c: Likewise.
7617 * prefix.c: Likewise.
7618 * protoize.c: Likewise.
7619 * regmove.c: Likewise.
7620 * toplev.c: Likewise.
7623 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7625 * config/sparc/sparc.c (sparc_override_options): If not
7626 TARGET_FPU, turn off TARGET_VIS.
7627 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
7628 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
7629 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
7630 (movdi_insn_sp64): Add VIS fzero alternative.
7631 (clear_sf, clear_df): New VIS patterns.
7632 (movsf, movdf expanders): Allow fp_zero_operand flat out when
7634 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
7636 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
7638 * loop.c (n_times_set, n_times_used, may_not_optimize,
7639 reg_single_usage): Convert to varrays. All uses changed.
7640 (insert_loop_mem): Return a value.
7641 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
7642 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
7645 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
7648 * configure.in: Do not set thread_file to "irix" since no such
7651 * sparc.md (float abs/neg splits): Check reload_completed before
7652 calling alter_subreg.
7654 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7656 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
7658 * config/sparc/sparc.h: Declare it.
7659 * config/sparc/sparc.md (float abs/neg splits): Use it.
7660 (all other splits): Handle SUBREGs properly where necessary.
7661 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
7663 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
7665 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
7666 an insn on the unfilled_slots_list that has no delay slots.
7667 (fill_eager_delay_slots): Similarly.
7669 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
7671 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
7672 as an ordinary operand.
7674 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
7676 * tree.c (valid_machine_attribute): Don't apply attributes to both
7679 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
7681 * reload.c (operands_match_p): Handle rtvecs.
7683 * i386.c (legitimate_pic_address_disp_p): New.
7684 (legitimate_address_p): Use it.
7685 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
7686 Handle constant pool symbols just like statics.
7687 (emit_pic_move): Use Pmode not SImode for clarity.
7688 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
7689 [UNSPEC]: New, handling what we killed above.
7690 [PLUS]: Detect and abort on invalid symbol arithmetic.
7691 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
7693 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
7695 * alias.c: Include output.h.
7696 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
7697 different if we're in a varargs function.
7698 * Makefile.in (alias.o): Depend on output.h
7700 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7702 * sh.h (GIV_SORT_CRITERION): Delete.
7704 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
7706 * regclass.c (regclass): Use xmalloc/free instead of alloca.
7707 * stupid.c (stupid_life_analysis): Ditto.
7708 * reload1.c (reload): Ditto.
7710 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
7712 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
7713 arith_double_4096_operand, arith_double_add_operand): New
7715 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
7716 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
7717 them to transform add/sub 4096 into add/sub -4096.
7719 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7721 * loop.c (scan_loop): Allocate some slop to handle pseudos
7722 generated by move_movables.
7723 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
7726 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
7728 * tree.def (DECL_RESULT): Correct documentation.
7730 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
7732 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
7733 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
7734 conflicts will all RELOAD_FOR_OUTPUT reloads.
7736 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
7737 loads the function result, substitute with a USE.
7739 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7741 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
7742 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
7743 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
7744 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
7745 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
7746 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
7748 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
7749 'o' to 'm' for GPR variant constraints.
7751 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
7753 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
7755 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
7757 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
7758 when the source and destination overlap.
7760 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
7761 clash with global type.
7763 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
7765 * fixinc.irix: Add curses.h handling from fixinc.wrap.
7767 * c-common.c (combine_strings): Also set TREE_READONLY.
7768 Change warn_write_strings to flag_const_strings.
7769 * c-decl.c, c-tree.h: Likewise.
7771 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7773 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
7774 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
7775 sequence, use SET/IOR instead so CSE can see it.
7776 * config/sparc/sparc.md (movhi_const64_special,
7777 movsi_const64_special): New patterns necessitated by that change.
7778 (movhi_high): Remove.
7779 (movhi_lo_sum): Change to match an IOR.
7780 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
7781 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
7782 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
7783 (movdf splits): Allow when not V9 or when not ARCH64 and integer
7784 registers are involved.
7785 (snesi_zero_extend split): Remove reload_completed test.
7786 (unnamed plus and minus zero_extend sidi splits): Add it.
7788 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
7790 * extend.texi: Remove description of extension to explicit
7791 instantiation that is now endorsed by standard C++.
7793 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7795 * config/arc/arc.c (arc_initialize_pic): Remove.
7796 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
7797 nothing on any platform and is invoked by no-one, it does not even
7798 appear in the documentation.
7799 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
7800 * config/sparc/sparc.c (initialize_pic): Likewise.
7801 (find_addr_reg): Remove this as well, no longer referenced after
7804 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
7806 * recog.c (validate_replace_rtx_group): New function.
7807 * recog.h (validate_replace_rtx_group): Declare it.
7808 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
7809 the entire group of substitutions.
7811 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
7813 * loop.c (load_mems): Fix initializers.
7815 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7817 * config/sparc/sparc.md (TFmode splits): Handle destination
7818 registers being referenced in the address correctly.
7820 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
7821 TREE_UNSIGNED, when bitsize of type's mode is larger than
7822 HOST_BITS_PER_WIDE_INT.
7824 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
7826 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
7827 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
7828 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
7830 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
7833 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
7835 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
7836 * h8300.h (TINY_DATA_NAME_P): Likewise.
7837 (STRIP_NAME_ENCODING): Handle '&'.
7839 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
7840 register (it could be accessed via an outer SUBREG).
7841 (REG_OK_FOR_BASE_P): Likewwise.
7842 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
7844 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
7847 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
7849 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7851 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
7852 must be offsettable so the splits can be made.
7854 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
7856 * config/i386/winnt.c: Include system.h, not stdio.h to get
7857 sys/param.h pulled in before rtl.h in case the system defines MIN
7860 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
7862 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
7864 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
7866 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
7868 * cpplib.c (cpp_define): Handle macros with parameters.
7870 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
7872 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
7873 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
7874 and DImode 64-bit. Use llong for minimal-toc SFmode and
7875 SYMBOL_REF / LABEL_REF 64-bit.
7876 (output_function_profiler): Use llong for profiler label and ld to
7877 load 64-bit label address.
7879 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
7881 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
7884 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
7886 * version.c: Bump for snapshot.
7888 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
7890 * version.c: Bump for snapshot.
7892 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
7894 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
7896 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
7898 * tm.texi (Misc): Fix typo "teh".
7900 * tm.texi (PIC): Fix typo "PPIC".
7902 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
7903 effect when -O2 and higher.
7904 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
7906 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
7908 * regclass.c: Changed register set documentation to be consistent
7911 * final.c (final_start_function) Removed redundant test for
7914 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
7916 * rtl.h (rtx_function): New type.
7917 (for_each_rtx): New function.
7918 * rtlanal.c (for_each_rtx): Define it.
7920 * recog.c (change_t): New type.
7921 (change_objects, change_old_codes, change_locs, change_olds):
7923 (changes): New variable.
7924 (validate_change): Dynamically allocate room for more changes, if
7925 necessary. Uses changes array instead of change_objects, etc.
7926 (apply_change_group): Use changes array instead of
7927 change_objects, etc.
7929 * loop.c (loop_mem_info): New type.
7930 (loop_mems): New variable.
7931 (loop_mems_idx): Likewise.
7932 (looop_mems_allocated): Likewise.
7933 (scan_loop): Remove nregs parameter.
7934 (next_insn_in_loop): New function.
7935 (load_mems_and_recount_loop_regs_set): Likewise.
7936 (load_mems): Likewise.
7937 (insert_loop_mem): Likewise.
7938 (replace_loop_mem): Likewise.
7939 (replace_label): Likewise.
7940 (INSN_IN_RANGE_P): New macro.
7941 (loop_optimize): Don't pass max_reg_num() to scan_loop.
7942 (scan_loop): Remove nregs parameter, compute it after any new
7943 registers are created by load_mems. Use INSN_IN_RANGE_P and
7944 next_insn_in_loop rather than expanding them inline. Call
7945 load_mems to load memory into pseudos, if appropriate.
7946 (prescan_loop): Figure out whether or not there are jumps from the
7947 loop to targets other than the label immediately following the
7948 loop. Call insert_loop_mem to notice all the MEMs used in the
7949 loop, if it could be safe to pull MEMs into REGs for the duration
7951 (strength_reduce): Use next_insn_in_loop. Tweak comments.
7953 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
7955 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
7957 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
7959 * config/sparc/sparc.c (finalize_pic): Check for the correct
7960 nonlocal_goto_receiver UNSPEC number.
7961 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
7962 making note of this dependency existing in sparc.c
7963 (negtf2_notv9 split): Give NEG SFmode.
7964 (negsf2): Fix insn output string.
7966 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
7968 * c-common.c (decl_attributes): Issue an error if the argument
7969 to alias is not a string.
7971 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
7973 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
7974 pending memory flush list.
7976 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
7978 (try_combine): Allow combining insns with REG_LIBCALL notes.
7980 * expr.c (emit_block_move): Do not call memcpy as a libcall
7981 instead build up a CALL_EXPR and call it like any other
7983 (clear_storage): Similarly for memset.
7985 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
7988 * Makefile.in (cplus-dem.o): Provide explicit rules for building
7991 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
7992 and REG_LIVE_LENGTH as successful substitutions are made.
7994 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7996 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
7997 statement after end of loop label.
7999 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8001 * config/sparc/sparc.c (ultra_types_avail): New variable.
8002 (ultra_build_types_avail): New function to record mask of insn
8003 types in ready list at this cycle.
8004 (ultrasparc_sched_reorder): Call it.
8005 (ultra_find_type): Use it to quicken the search. Also simplif
8006 dependency check, don't use rtx_equal_p because we know exactly
8007 what we are looking for.
8009 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
8011 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
8012 for architecture v4.
8014 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8016 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
8018 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
8019 movdf_const_intreg and helper splits): New patterns to move float
8020 constants into integer registers.
8021 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
8024 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
8027 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
8029 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
8031 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
8032 a BASE_REGS register is needed as an intermediate when copying
8033 a symbolic value into any register class other than BASE_REGS.
8035 * expr.c (move_by_pieces): No longer static. Remove prototype.
8036 * rtl.h (move_by_pieces): Add extern prototype.
8037 * mips.c (expand_block_move): Handle aligned straight line copy by
8038 calling move_by_pieces.
8040 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
8043 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
8045 * stmt.c (expand_end_loop): Tidy. Allow unconditional
8046 jumps out of the loop to be treated as part of the exit test.
8048 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8049 Jeff Law <law@cygnus.com>
8051 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
8052 * cplus-dem.c: Delete.
8054 * Makefile.in (fold-const.o): depend on $(RTL_H).
8056 * fold-const.c: Include rtl.h to get the prototype for
8057 `set_identifier_local_value'.
8059 * loop.c (express_from_1): Remove unused variable `tmp'.
8060 (combine_givs): cast the first argument of bzero to char *.
8062 * toplev.c (display_help): Remove unused variable `looking_for_start'.
8064 * c-decl.c (init_decl_processing): Remove unneeded &.
8066 * alpha.h (alpha_initialize_trampoline): Provide prototype.
8068 * except.c (set_exception_lang_code, set_exception_version_code):
8069 Change parameter from `short' to `int' to avoid using a gcc
8072 * except.h (set_exception_lang_code, set_exception_version_code):
8073 Likewise for prototypes.
8075 * flow.c (count_reg_references): Remove unused variables `regno'
8078 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
8080 * prefix.c (translate_name): Cast the result of `alloca'.
8082 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
8084 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8086 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
8088 (valid_dbcc_comparison_p): Mark mode argument as unused.
8089 (symbolic_operand): Likewise.
8090 (legitimize_pic_address): Likewise.
8091 (const_uint32_operand): Likewise.
8092 (const_sint32_operand): Likewise.
8093 * sched.c [!INSN_SCHEDULING]: Define only dummy function
8094 schedule_insns and comment out rest of file.
8096 * m68k.c (output_move_simode_const): Use subl to move a zero into an
8098 (output_move_[hq]imode): Likewise.
8100 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
8102 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
8103 * invoke.texi: Corresponding changes.
8105 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
8107 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
8109 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8111 * config/sparc/sparc.c (ultra_code_from_mask,
8112 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8113 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
8114 ultrasparc_sched_init, ultrasparc_variable_issue,
8115 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
8116 functions to describe UltraSPARC pipeline exactly to Haifa.
8117 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
8118 as there is nothing the scheduler can do about it. Indicate that
8119 REG_DEP_OUTPUT's collide. Fixup formatting.
8120 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
8121 divide costs on Ultra for DImode.
8122 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
8124 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
8125 ieuN and add call_no_delay_slot to type list.
8126 (cti function unit): New unit for branches on UltraSPARC.
8127 (subx/addx insns): Set type to misc.
8128 (sidi zero/sign extension insns on arch64): Set type to shift.
8129 (sign_extendhidi2_insn): Set type to sload.
8131 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
8133 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
8134 (output_epilog): Use if != 0 for offset.
8135 (rs6000_fatal_bad_address): Prepare for Intl.
8136 * rs6000.h (rs6000_fatal_bad_address): Declare.
8137 * rs6000.md (movsfcc, movdfcc): Use else if.
8138 (elf_high): Use {liu|lis}.
8139 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
8140 (movsi): Use rs6000_fatal_bad_address.
8142 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
8144 * reload.c (find_equiv_reg): Reject equivalences separated
8145 by a volatile instruction.
8147 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8149 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
8151 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
8153 * alpha.md (movsicc): Fix mode mismatch.
8155 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
8157 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
8159 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
8161 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8163 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
8164 write-only modifier from operand 1 constraint.
8166 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8168 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
8169 emitting a XOR of -1 at the end, emit a NOT instead for combine's
8171 (sparc_emit_set_const64): Likewise, also when computing trailing
8172 bits do not negate low_bits and make fast_int an int.
8174 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
8176 * loop.c (add_label_notes): Do not ignore references to labels
8177 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
8178 * gcse.c (add_label_notes): Similarly.
8180 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
8182 * m68k.md (adddi_dilshr32): One of the operands must be a register.
8183 (adddi_dishl32): Similarly.
8185 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
8187 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
8188 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
8189 * cse.c (cse_basic_block): Add parens to shut up warnings.
8191 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8193 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
8194 sparc_emit_set_const64_longway, const64_is_2insns,
8195 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
8196 in 64-bit constant formation.
8197 * config/sparc/sparc.md (snesi_zero_extend split): Generate
8198 rtl for addx not subx.
8199 (define_insn movdi_const64_special): Make available even when
8200 HOST_BITS_PER_WIDE_INT is not 64.
8201 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
8202 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
8203 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
8204 instances of operand 1 inside a QI subreg.
8205 (xordi3_sp64_dbl): Remove '%' constraint for op1.
8206 (one_cmpldi2_sp64): Fix output string.
8207 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
8209 (unnamed arch64 ashift DI): Truncate shift count if greater than
8212 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
8214 * expr.c (store_expr): Don't optimize away load-store pair
8215 when either source or destination have a side effect.
8217 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
8219 * genrecog.c (add_to_sequence): Fatal error if the modes of the
8220 operands of SET are incompatible.
8222 * alpha.md: Fix max and min patterns so modes of SET operands match.
8224 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
8226 * configure.in: Avoid [[ by using test and changequote.
8227 * configure: Rebuild.
8229 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8231 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
8233 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
8234 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
8235 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
8236 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
8237 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
8238 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
8239 Fix mismatching modes in SET operands.
8240 (conditional move patterns): Fix formatting.
8241 (unnamed subx arch64 pattern): Remove duplicate insn.
8243 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8245 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8246 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
8247 (input_operand): Fixup test for what we accept for constant
8249 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
8251 (safe_constDI): Remove.
8252 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
8253 gen_safe_XOR64): New functions.
8254 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
8255 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
8257 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
8258 available when HOST_BITS_PER_WIDE_INT is not 64.
8259 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
8260 move before movdi_insn_sp64 pattern.
8261 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
8262 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
8263 symbolic_operand as predicate for second operand.
8264 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
8265 expander): Give set VOIDmode.
8267 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
8269 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
8271 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
8273 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
8275 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
8277 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
8279 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
8281 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
8283 * install.texi: Various SCO OpenServer tweaks.
8285 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
8287 * reload1.c (eliminate_regs_in_insn): Handle another case when
8288 eliminating the frame pointer to the hard frame pointer. Add
8289 missing ep->to_rtx check to one existing case.
8291 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
8293 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
8295 * tree.h: De-conditionalize init_priority code.
8297 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
8298 * collect2.c (NM_FLAGS): Change from -p to -n.
8300 * configure.in: Turn on collect2 for mipstx39-elf.
8301 Handle use_collect2=no properly.
8303 * c-common.c: De-conditionalize init_priority code.
8304 * collect2.c (extract_init_priority, sort_ids): New fns.
8305 (main): Call sort_ids.
8306 Move sequence_number to file scope.
8308 * configure.in: Handle --enable-init-priority.
8309 * c-common.c (attrs): Add A_INIT_PRIORITY.
8310 (init_attributes, decl_attributes): Likewise.
8311 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
8312 * tree.c (get_file_function_name_long): Split out...
8313 (get_file_function_name): ...from here.
8315 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
8317 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
8320 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
8322 * toplev.c (display_help): Add braces to shut up warnings.
8323 * tree.c (simple_cst_equal): Likewise.
8325 * fold-const.c (non_lvalue): Don't deal with null pointer
8327 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
8329 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
8330 of any size to a pointer.
8332 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
8334 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
8336 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
8338 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
8339 which will be saved.
8340 * mn10300.md (prologue insn): Only save registers which need saving.
8341 (epilogue insn): Similarly.
8343 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
8346 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
8348 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
8349 VAR_DECL's in gp addressable sections.
8351 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
8353 * sparc.c: Change return <exp> to <exp>; return; in functions
8355 * sparc.md: Add empty semicolon statement after final label in
8358 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8360 * config/sparc/sparc.md (define_insn addx_extend): Rename to
8361 addx_extend_sp64, only allow when TARGET_ARCH64.
8362 (define_insn addx_extend_sp32 and split): Version that works when
8364 (define_insn subx_extend): Likewise.
8365 (define_split adddi3 and subdi3 with zero extension): Fixup and
8366 correct bugs when not TARGET_ARCH64.
8368 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
8370 * except.c (set_exception_lang_code, set_exception_version_code):
8371 Use prototype-style definition if __STDC__, to match declaration
8374 * genemit.c: Change FAIL and DONE macros not to use loops.
8376 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
8378 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
8379 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
8381 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
8383 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
8385 * README.g77: Update from Craig.
8387 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8389 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
8391 (safe_constDI sparc_emit_set_const64_quick1,
8392 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8393 analyze_64bit_constant, const64_is_2insns,
8394 create_simple_focus_bits): Fix some bugs when compiled on real
8396 (function_arg_record_value_3, function_arg_record_value_2,
8397 function_arg_record_value): Add fully prototyped forward decls.
8398 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
8399 to cmpsi_insn and use on both 64 and 32 bit targets.
8400 (define_insn cmpsi_insn_sp64): Remove.
8401 (define_expand zero_extendsidi2): Allow for 32-bit target too.
8402 (define_insn zero_extendsidi2_insn): Rename to
8403 zero_extendsidi2_insn_sp64.
8404 (define_insn zero_extendsidi2_insn_sp32): New pattern and
8405 assosciated forced split for it.
8407 * config/sparc/sparc.c (const64_operand, const64_high_operand):
8409 * config/sparc/sparc.h: Declare them.
8410 (PREDICATE_CODES): Add them.
8411 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
8412 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
8414 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
8416 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
8417 in v9 case as the latter makes the Solaris assembler crash.
8419 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8421 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
8422 for TFmode when !v9. We require offsettable memory addresses.
8423 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
8424 DFmode register number conversions.
8425 * config/sparc/sparc.md (define_split DFmode moves): If register
8426 is a SUBREG do alter_subreg on it before using.
8427 (define_expand movtf): Fixup comment about alignment on v9.
8428 (define_split TFmode moves): Don't use gen_{high,low}part, create
8429 explicit SUBREGs instead.
8431 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
8433 * Makefile.in (mbchar.o): Depend on mbchar.c.
8435 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8436 Richard Henderson <rth@cygnus.com>
8438 Rewrite Sparc backend for better code generation and
8439 improved sparc64 support.
8440 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
8442 * config/sparc/sysv4.h: Likewise.
8443 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
8444 move_operand, v8plus_regcmp_op, emit_move_sequence,
8445 singlemove_string, doublemove_string, mem_aligned_8,
8446 output_move_double, output_move_quad, output_fp_move_double,
8447 move_quad_direction, output_fp_move_quad, output_scc_insn):
8449 (small_int_or_double): New predicate.
8450 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
8451 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
8452 old pic_{sethi,lo_sum}_si patterns.
8453 (mem_min_alignment): New generic function to replace
8454 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
8455 available and can test for arbitrary alignments. All callers
8457 (save_regs, restore_regs, build_big_number,
8458 output_function_prologue, output_cbranch, output_return,
8459 sparc_flat_save_restore, sparc_flat_output_function_prologue,
8460 sparc_flat_output_function_epilogue): Prettify
8462 (output_function_epilogue): Likewise and add code to output
8463 deferred case vectors.
8464 (output_v9branch): Likewise, add new arg INSN and use it to tack
8465 on branch prediction settings. All callers changed.
8466 (print_operand): Likewise and output %l44 for LO_SUMs when
8468 (sparc_splitdi_legitimate): New function to make sure DImode
8469 splits can be run properly when !arch64.
8470 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
8471 Reformat example code in comments.
8472 (set_extends): Remove UNSPEC/v8plus_clear_high case.
8473 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
8474 of deferred case vectors we need to output.
8475 (sparc_defer_case_vector): Record a case vector.
8476 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
8477 sparc_output_deferred_case_vectors): New functions to output them.
8478 (sparc_emit_set_const32): New function to form 32-bit constants in
8479 registers when that requires more than one instruction.
8480 (safe_constDI, sparc_emit_set_const64_quick1,
8481 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
8482 analyze_64bit_constant, const64_is_2insns,
8483 create_simple_focus_bits, sparc_emit_set_const64): New functions
8484 which do the same for 64-bit constants when arch64.
8485 (sparc_emit_set_symbolic_const64): New function to emit address
8486 loading for all code models on v9.
8487 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
8488 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
8489 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
8490 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
8491 inaccuracies in comments, add symbolic and text_segment operands
8492 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
8493 GENERAL_REGS in these cases as a temp REG is needed to load these
8494 addresses into a register properly.
8495 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
8497 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
8498 quads are guarenteed to have 16-byte alignment.
8499 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
8500 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
8501 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
8502 deferred case vector implementation.
8503 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
8504 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
8505 Generate "internal label - label" instead of "label - 1b".
8506 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
8507 (PREDICATE_CODES): Remove sparc_operand, move_operand,
8508 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
8510 (doublemove_string, output_block_move, output_fp_move_double,
8511 output_fp_move_quad, output_move_double, output_move_quad,
8512 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
8513 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
8514 (sparc_emit_set_const32, sparc_emit_set_const64,
8515 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
8516 mem_min_alignment, small_int_or_double): Add externs.
8517 * config/sparc/sparc.md: Document the many uses of UNSPEC and
8518 UNSPEC_VOLATILE in this backend.
8519 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
8520 unary to types which execute in it.
8521 (define_function_unit ieu_shift): Rename to ieu0.
8522 (define_function_unit ieu1): New, executes compare, call, and
8523 uncond_branch type insns.
8524 (define_function_units for type fdivs, fdivd, fsqrt): These
8525 execute in the fpu multiply unit not the adder on UltraSparc.
8526 (define_expand cmpdi): Disallow TARGET_V8PLUS.
8527 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
8528 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
8529 allows the arith_double_operand predicate and rHI constraint when
8531 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
8532 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
8533 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
8534 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
8535 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
8536 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
8537 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
8538 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
8539 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
8540 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
8541 sign_extendqihi2_insn, sign_extendqisi2_insn,
8542 sign_extendqidi2_insn, sign_extendhidi2_insn,
8543 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
8544 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
8545 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
8546 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
8547 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
8548 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
8549 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
8550 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
8551 smulsi3_highpart_v8plus, unnamed subreg mult,
8552 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
8553 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
8554 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
8555 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
8556 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
8557 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
8558 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
8559 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
8560 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
8561 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
8562 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
8563 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
8564 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
8565 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
8566 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
8567 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
8568 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
8569 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
8570 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
8571 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
8572 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
8573 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
8574 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
8575 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
8576 call_address_untyped_struct_value_sp32,
8577 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
8578 call_value_symbolic_sp32, call_value_address_sp64,
8579 call_value_symbolic_sp64, branch_sp32, branch_sp64,
8580 flush_register_windows, goto_handler_and_restore,
8581 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
8582 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
8583 return_addsi, return_di, return_adddi, return_sf, all call+jump
8584 peepholes, trap, unnamed trap insns): Prettify output strings.
8585 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
8586 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
8587 Likewise and force + implement splits for integer cases.
8588 (define_insn return_sf_no_fpu): Likewise and allow to match when
8589 no-fpu because of our subreg SFmode splits.
8590 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
8591 zero_extendqidi2_insn, zero_extendhidi2_insn,
8592 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
8593 input_operand for second operand.
8594 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
8595 reg_or_0_operand for operand 2 so new splits can use it.
8596 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
8597 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
8599 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
8600 CONST_DOUBLEs for operand 2.
8601 (define_insn move_label_di): Likewise and label distance
8602 optimization because it no longer works with new deferred case
8603 vector scheme. To be revisited.
8604 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
8605 and allow reg_or_0_operand and J constraint for second operand.
8606 (define_insn jump): Set branch predict taken on V9.
8607 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
8608 new deferred case vector scheme.
8609 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
8610 (define_insn negdi2_sp32): Force + implement splits.
8611 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
8612 one_cmplsi2_not_liveg0 respectively, and create expander of original
8613 names which emit special rtl for TARGET_LIVE_G0.
8614 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
8615 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
8616 gen_compare_reg, FAIL instead.
8617 (define_insn sgtu, sleu): Likewise and check gen_s*() return
8618 values when trying to reverse condition codes, if they FAIL then
8620 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
8621 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
8622 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
8623 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
8624 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
8625 set output string to # to indicate they are mandatory splits.
8626 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
8627 pic_sethi_di, move_pic_label_si): Remove.
8628 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
8629 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
8631 (define_expand movsi_pic_label_ref, define_insn
8632 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
8633 expander and insns to handle PIC label references and deferred
8635 (define_insn get_pc_via_rdpc): Comment out as it is no longer
8637 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
8638 Rewrite to not use emit_move_sequence, make use of new constant
8639 formation code, and new splits for all multi-insn cases.
8640 (define_insn movqi_insn): Remove sethi case, it can never happen.
8641 Use reg_or_zero_operand instead of const0_rtx explicit test,
8642 use input_operand instead of move_operand for source, and use
8643 general_operand now for dest.
8644 (define_insn movhi_insn): Similar but leave sethi case.
8645 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
8646 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
8647 movhi_lo_sum respectively, prettify output string.
8648 (define_insn movsi_zero_liveg0): New pattern to put zero into a
8649 register when needed on TARGET_LIVE_G0.
8650 (define_insn movsi_insn): Use general_operand and input_operand
8651 for dest and src respectively. Simplify applicability test.
8652 Prettify output strings, and add clr alternative for J
8654 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
8655 deprecated std and reg-reg DI moves): Remove and...
8656 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
8657 implementation which uses forced splits for all non-single insn
8659 (define_split DI move cases on !arch64): New splits to handle all
8660 situations of 64-bit double register DImode on 32bit, and
8661 unaligned registers and memory addresses for all subtargets.
8662 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
8664 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
8665 input_operand for dest and src respectively, prettify output
8667 (define_insn movdf_insn, movdf_no_e_insn, store_df,
8668 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
8670 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
8671 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
8672 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
8673 movtf_no_e_insn_sp64) Replace with new
8674 implementation which uses forced splits for all non-single insn
8676 (define_split DF move cases): New splits in similar vein to DI
8678 (define_insn sethi_di_medlow, sethi_di_medium_pic,
8679 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
8680 movdi_sp64_insn): Remove old v9 code model and constant loading
8682 (define_insn pic_lo_sum_di, pic_sethi_di,
8683 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
8684 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
8685 embmedany_sethi, embmedany_losum, embmedany_brsum,
8686 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
8687 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
8688 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
8689 scheme, using unspecs, secondary reloads, and one to one sparc
8690 insn to rtl insn mapping for better scheduling and code gen.
8691 (define_expand reload_indi, reload_outdi): Reload helpers for
8692 MEDANY and EMBMEDANY symbol address loading cases which require a
8694 (define_expand movsicc): Remove v8plus_regcmp cases.
8695 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
8696 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
8697 cmp_diqi_trunc_set): New patterns used by some of the new scc
8699 (define_insn xordi3_sp64_dbl): New pattern used for constant
8700 formation when crossing from 32-bit targets.
8701 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
8703 (define_insn addx, subx): Make visible and prettify.
8704 (define_insn adddi3_insn_sp32): Likewise and force split.
8705 (define_insn addx_extend, subx_extend, unnamed): New patterns for
8706 64bit scc split usage.
8707 (define_insn unnamed plusDI zero_extend, unnamed minusDI
8708 zero_extend, subdi3): Force and implement splits.
8710 * final.c (final_scan_insn): Don't output labels if target
8711 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
8714 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
8715 don't forget to walk inside SEQUENCESs too as these are what the
8716 delay slot scheduler will create.
8718 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
8720 * alpha.md (extxl+1,+2): New patterns to work around
8723 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
8725 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
8726 caused bad assembly code to be generated.
8728 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
8730 * netbsd.h: Fix typo.
8732 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
8734 * config.sub: Fix typo.
8736 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
8738 * invoke.texi (Environment Variables): Typo: Change "ascpects"
8740 (Running Protoize): Typo: Change "ther" into "other".
8742 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
8744 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
8745 * m68k/netbsd.h: Likewise.
8746 * ns32k/netbsd.h: Likewise.
8747 * sparc/netbsd.h: Likewise.
8749 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
8751 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
8752 * ginclude/va-clipper.h (va_list): Likewise.
8754 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
8756 * rs6000.c (rs6000_override_options): If big endian and -Os, use
8757 load/store multiple instructions unless user overrides.
8759 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
8761 * ns32k/netbsd.h: Fix typo.
8763 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
8765 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
8766 labels with .debugsym if no parallel insns.
8768 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
8770 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
8771 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
8773 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
8775 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
8776 (AR_FOR_TARGET): Define.
8778 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
8780 * dyn-string.h: New file.
8781 * dyn-string.c: Likewise.
8782 * Makefile.in (OBJS): Add dyn-string.o.
8783 (dwarf2out.o): Add dyn-string.h dependency.
8784 (dyn-string.o): List dependencies.
8785 * dwarf2out.c: Include dyn-string.h.
8786 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
8787 (addr_const_to_string): Take a dyn_string_t, not a char* as a
8788 prototype. Use dyn_string_append rather than strcat, throughout.
8789 (addr_to_string): Use dyn_string_t.
8791 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
8793 Function entry/exit profiling instrumentation:
8794 * expr.h (profile_function_entry_libfunc,
8795 profile_function_exit_libfunc): Declare new variables.
8796 * optabs.c: Define them here.
8797 (init_optabs): Initialize them.
8798 * tree.h (struct tree_decl): New flag
8799 no_instrument_function_entry_exit.
8800 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
8801 * c-decl.c (duplicate_decls): Merge it.
8802 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
8803 (init_attributes): Use it for "no_instrument_function".
8804 (decl_attributes): Handle it, for functions that have not yet been
8805 compiled. Set decl flag.
8806 * flags.h (flag_instrument_function_entry_exit): Declare new
8808 * toplev.c (flag_instrument_function_entry_exit): Define it here.
8809 (f_options): New option "instrument-functions".
8810 * function.h (struct function): New field instrument_entry_exit.
8811 * function.c (current_function_instrument_entry_exit): New
8813 (push_function_context_to, pop_function_context_from): Save and
8815 (expand_function_start): Set current_ variable, maybe emit return
8816 label and entry profile call.
8817 (expand_function_end): Maybe emit exit profile call.
8819 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
8821 * i386.md (movqi): When optimizing a load of (const_int 1) into a
8822 NON_QI_REG_P, pretend the register is SImode.
8824 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
8826 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
8827 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
8828 manufacturer id for ns32k.
8829 * configure: Regenerated.
8830 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
8831 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
8832 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
8833 * config/m68k/netbsd.h: Same.
8834 * config/ns32k/netbsd.h: Same.
8835 * config/sparc/netbsd.h: Same.
8837 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
8839 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
8840 or UNROLL_COMPLETELY loop that starts with a jump to its
8843 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
8845 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
8846 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
8847 (print_operand, case 'B'): Don't fall through.
8848 (print_operand, case 'S'): Correct mask begin/end computation.
8849 Use HOST_BITS_PER_WIDE_INT.
8850 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
8851 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
8852 * rs6000/aix41.h (CPP_PREDEFINES): Same.
8853 * rs6000/aix43.h (CPP_PREDEFINES): Same.
8855 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
8857 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
8858 constraint from second alternative.
8860 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8862 * configure.in: Fix --without/--disable cases for local-prefix,
8863 gxx-include-dir and checking.
8865 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
8867 * configure.in (enable_haifa): Set by default for sparc64 too.
8870 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
8872 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
8873 * i386/winnt.c (associated_type): New fn.
8874 (i386_pe_valid_type_attribute_p): New fn.
8875 (i386_pe_check_vtable_importexport): Remove.
8876 (i386_pe_dllexport_p): Use associated_type.
8877 (i386_pe_dllimport_p): Likewise.
8879 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
8880 * i386.c (i386_valid_type_attribute_p): Also accept
8881 attributes for METHOD_TYPEs.
8883 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
8885 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
8887 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
8889 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
8891 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
8892 them from generating a new base name for each occurence of
8895 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
8897 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
8899 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
8903 * cplus-dem.c (type_kind_t): New type.
8904 (demangle_template_value_parm): Add type_kind_t parameter. Rely
8905 on this paramter, rather than demangling the type again.
8906 (demangle_integral_value): Pass tk_integral.
8907 (demangle_template_: Pass the value returned from do_type.
8908 (do_type): Return a type_kind_t. Pass tk_integral to
8909 demangle_template_value_parm for array bounds.
8910 (demangle_fund_type): Likewise.
8912 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
8914 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
8917 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
8919 * pa.c (move_operand): Accept CONSTANT_P_RTX.
8921 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
8923 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
8925 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
8928 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
8930 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
8931 (DEBUGGER_ARG_OFFSET): Likewise.
8933 * mn10300.md (movsf): Remove last change. Not needed.
8935 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
8937 * c-lex.c (yylex): Fix boundary conditions in character literal and
8938 string literal loops.
8940 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
8942 * longlong.h (count_leading_zeros): Sparclite scan instruction was
8943 being invoked incorrectly.
8945 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
8946 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
8948 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
8949 * configure.in: Added i[34567]86-*-win32
8950 * config.sub: Ditto.
8951 * configure: Rebuilt.
8953 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
8955 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
8956 the frame pointer and compiling PIC code and reload has not completed.
8958 * i386.c (output_to_reg): Add code to emulate non-popping DImode
8961 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
8963 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
8965 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8967 * Makefile.in (install-info): Only try to update the info
8968 directory file if it exists in the first place.
8970 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
8972 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
8974 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
8976 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
8977 CONST_DOUBLE source.
8979 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
8981 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
8982 strings as the insertion of USER_LABEL_PREFIX.
8983 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
8985 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
8988 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
8990 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
8991 already defined type.
8993 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
8995 * expr.c (check_max_integer_computation_mode): Allow conversions
8996 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
8997 (expand_expr): Likewise.
8999 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9001 * expr.c (expand_expr): Expand RETURN_EXPR.
9003 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
9005 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
9007 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
9009 * dwarf2out.c (output_aranges): Call stripattributes
9010 for TEXT_SECTION references.
9011 (output_line_info): Likewise.
9013 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9015 * profile.c (branch_prob): Call allocate_reg_info after outputting
9016 profile rtl in instrument_arcs.
9018 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
9020 * fixinc.irix (math.h): Install wrapper instead of copying.
9022 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
9024 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
9025 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
9026 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
9027 lang_flag_0. Added documentation in the flag table.
9029 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
9031 * cccp.c (do_include): Fix vax c style include handling.
9033 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
9035 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
9037 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
9039 * fold-const.c (non_lvalue): Don't deal with null pointer
9041 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
9043 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
9045 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
9046 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
9047 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
9048 (u_short_cint_operand): Same.
9049 (reg_or_cint_operand): Same.
9050 (logical_operand): Same.
9051 (input_operand): Same.
9052 (reg_or_short_operand): Use u_short_cint_operand.
9054 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
9056 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
9057 but keep the insns and splits. Adjust so when the ultimate destination
9058 is memory, use cvtql.
9060 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
9062 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
9064 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
9066 * gcc.c (do_spec): Call "error" not "warning".
9068 * configure.in: Fix minor problems with gas feature detection code.
9069 * configure: Rebuilt.
9071 * gcc.c (do_spec): Issue a warning for '%[]' usage.
9074 * gcc.c: Delete %[spec] support.
9075 (do_spec_1, case '('): Likewise.
9076 (do_spec_1, case '['): Call error.
9078 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
9080 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
9081 (CPP_SUBTARGET_SPEC): Default to empty string.
9082 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
9083 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
9084 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
9085 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
9087 * alpha/linux.h (CPP_PREDEFINES): Tidy.
9088 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
9089 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
9090 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
9091 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
9092 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
9093 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
9094 * alpha/vxworks.h: Likewise.
9096 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
9098 * mips.md (reload_outsi): Added missing REGNO call.
9099 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
9101 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
9102 another match_operator and compare the codes.
9104 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
9106 * MIPS multiply pattern fixes:
9107 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
9108 Add union classes for HI, LO, or HILO plus general registers.
9109 (GENERATE_MADD): Deleted.
9110 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
9111 Add TARGET_MAD to condition.
9112 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
9113 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
9114 "*d" for accumulator, to give preference to LO initially but not
9117 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
9119 * configure.in (enable_c_mbchar): New configure option.
9120 (extra_cpp_objs): Always available now.
9122 * cexp.y (mbchar.h): #include it.
9123 (yylex): Handle Multibyte characters in character literals.
9125 * cccp.c (mbchar.h): #include it.
9126 (main): Set character set based on LANG environment variable.
9127 (rescan): Handle multibyte characters in comments.
9128 (skip_if_group): See above.
9129 (validate_else): See above.
9130 (skip_to_end_of_comment): See above.
9131 (macarg1): See above.
9132 (discard_comments): See above.
9133 (rescan): Handle multibyte characters in string and character literals.
9134 (collect_expansion): See above.
9135 (skip_quoted_string): See above.
9136 (macroexpand): See above.
9137 (macarg1): See above.
9138 (discard_comments): See above.
9139 (change_newlines): See above.
9141 * c-lex.c (mbchar.h): #include it.
9142 (GET_ENVIRONMENT): New macro.
9143 (init_lex): Set character set based on LANG environment variable.
9144 (yylex): Handle multibyte characters in character literals.
9145 (yylex): Handle multibyte characters in string literals.
9147 * Makefile.in (mbchar.o): New target.
9148 (cccp$(exeext)): @extra_cpp_objs@ is always available.
9149 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
9151 * mbchar.[ch]: New files for multibyte character handling.
9153 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
9155 * jump.c (jump_optimize): When simplifying noop moves and
9156 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
9157 the PUSHes to rewrite in second loop as we did in the first.
9159 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9161 * cplus-dem.c (demangle_nested_args): Make function definition
9162 static to match the prototype.
9164 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
9166 * alloca.c: Respect USE_C_ALLOCA.
9167 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
9168 * gengenrtl.c (xmalloc): Likewise.
9170 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
9172 * loop.h (struct induction): Add no_const_addval.
9173 * loop.c (the_movables, reg_address_cost): New variables.
9174 (init_loop): Init reg_address_cost.
9175 (loop_optimize): Call end_alias_analysis.
9176 (scan_loop): Init the_movables.
9177 (record_giv): Init induction->no_const_addval.
9178 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
9179 [REG]: Rearrange loop search test to catch more cases.
9180 (general_induction_var): Return success not benefit; take an extra
9181 argument for that. Change all callers.
9182 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
9183 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
9184 [default]: Search the_movables for additional combinations.
9185 (sge_plus_constant, sge_plus): New functions.
9186 (express_from_1): New function.
9187 (express_from): Always define. Rewrite using express_from_1.
9188 (combine_givs_p): Handle more cases. Ignore address cost.
9189 (cmp_combine_givs_stats): New function.
9190 (combine_givs_used_once, combine_givs_benefit_from): New functions.
9191 (combine_givs): Rewrite to do best-fit combination.
9193 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
9194 (fold): Do a complete (A*C)+(B*C) association check.
9196 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
9198 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
9200 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
9202 * mn10300.c (MODES_TIEABLE_P): Fix typo.
9204 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
9206 * tree.c (valid_machine_attribute): Only create a new type variant if
9207 there is a decl to use it.
9209 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
9211 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
9214 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
9216 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
9219 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
9221 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
9222 Simplify tests for clearing an address register.
9223 (expand_prologue): Corresponding changes.
9225 * mn10300.md (movXX patterns): Make sure the destination is an
9226 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
9227 (logical patterns): Split into expanders + patterns
9228 (zero and sign extension patterns): Similarly.
9229 (shift patterns): Similarly.
9231 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
9233 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
9234 for the sequence, recording base values.
9236 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
9238 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
9240 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
9242 * gcc.c: Remove ANSI-C ism from --help code.
9244 * toplev.c: Support --help with USE_CPPLIB.
9246 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
9248 * configure.in: Rework gas feature code to work with symlink based
9251 * extend.texi: Clarify some issues related to local variables
9252 assigned to explicit registers.
9254 * mn10300.md (mulsi): Turn into expander + pattern.
9256 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
9259 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
9261 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
9263 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
9265 * version.c: Bump again to distinguish mainline tree from the
9268 See ChangeLog.0 for earlier changes.
9271 add-log-time-format: current-time-string