1 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
3 * i386-protos.h (ix86_split_long_move): Return void.
4 * i386.c (ix86_split_to_parts): Handle 64bit target.
5 (ix86_split_long_move): Likewise.
6 * i386.md (all calls to ix86_split_long_move): Update.
8 2001-03-23 Richard Henderson <rth@redhat.com>
10 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
11 to avoid shadowing arguments.
13 2001-03-23 Jakub Jelinek <jakub@redhat.com>
15 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
16 to variable names where DECL_NAME is different from
19 2001-03-23 Jim Wilson <wilson@redhat.com>
21 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
22 (assemble_alias): Call make_decl_rtl.
24 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
26 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
28 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
30 * extend.texi: Document the "java_interface" attribute.
32 2001-03-22 Zack Weinberg <zackw@stanford.edu>
34 * mkconfig.sh: Use a subshell with redirected stdout,
35 instead of closing stdout and confusing commands that run
36 afterward. Throw away output of cmp.
38 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
40 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
42 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
44 * i386.md (zero_extendsidi2_32): Break out from ...
45 (zero_extendsidi2): ... here ; turn to expander.
46 (zero_extendsidi2_rex64): New.
47 (extendsidi2_32): Break out from ...
48 (extendsidi2): ... here ; turn to expander.
49 (extendsidi2_rex64): New.
50 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
51 (trunc?f?f splitters): Add 64bit versions.
53 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
55 * i386.md (pushsi, pushsi2_prologue): Disable.
57 (movabs?i_1_rex64, movabs?i_2_rex64): New.
58 (movqi_ext_1): Disable for 64bit.
59 (movqi_ext_1_rex64): New.
60 (pushdi2_rex64): New pattern, peep2s and splitter.
61 (pushdi2_prologue_rex64): New pattern.
62 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
64 (movdi splitters): Disable for 64bit.
65 (movdi_1_rex64): New pattern, peep2s and splitters.
66 (swapdi): New pattern.
67 (pushsf): Disable for 64bit.
68 (pushsf_rex64): New pattern and splitter.
69 (pushdf_nointeger): Disable for 64bit.
70 (pushdf_integer): Handle the 64bit case.
71 (pushtf): Likewise; update splitters.
73 2001-03-22 Richard Henderson <rth@redhat.com>
75 * mkconfig.sh: Include insn-flags.h.
76 * Makefile.in (CONFIG_H): Include insn-flags.h.
77 (lots of objects): Remove insn-codes.h and insn-flags.h.
79 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
80 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
81 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
82 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
83 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
84 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
85 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
86 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
87 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
88 v850/v850.c, vax/vax.c:
89 Don't include insn-flags.h.
91 * diagnostic.c, expr.h, reload.c, toplev.c:
92 Don't include insn-codes.h.
94 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
95 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
96 c4x/c4x.c, i960/i960.c, mips/mips.c:
97 Don't include insn-codes.h or insn-flags.h.
99 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
100 or insn-flags.h in the generated code.
101 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
102 (main): Forward declare struct rtx_def.
104 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
106 * invoke.texi (-ffast-math): Remove duplicate line about
109 * gcc.texi: Remove more obsolete documentation of bugs and
110 installation problems.
112 2001-03-21 Kazu Hirata <kazu@hxi.com>
114 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
117 2001-03-20 Jason Merrill <jason@redhat.com>
119 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
121 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
122 * varasm.c (CHKR_PREFIX): Likewise.
124 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
126 * gcse.c (hash_scan_set): An expression is not anticipatible if it
127 is part of a multi-SET insn.
129 * cse.c (find_comparison_args): Remove previous change.
130 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
133 * config/i386/i386.md (conditional_trap): Remove warning.
135 * recog.c (push_operand): Fix error in last change that caused
136 undefined symbol on many targets.
138 * sdbout.c: #include ggc.h.
139 (sdbout_init): Move to end of file.
140 Call ggc_add_tree_root for anonymous_types.
141 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
142 (sdbout_one_type): Use DECL_NAME for field name.
143 * Makefile.in (sdbout.o): Show includes ggc.h.
145 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
147 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
148 (override_options): Use properlimits for preferred_stack_boundary.
149 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
151 (ext_register_operand): Accept DImode.
152 (load_pic_register): Abort on 64bit.
153 (gen_push): Use Pmode instead of SImode.
154 (ix86_save_reg): Pic reg is never used on 64bit.
155 (ix86_expand_prologue): Likewise.
156 (ix86_emit_save_regs): Use Pmode instead of SImode.
157 (legitimate_address_p): Check displacement for 64bit.
158 (print_operand): Avoid outputting of (%rip) on 64bit.
159 (print_operand_address): Output (%rip) where possible.
160 (split_di): Abort on 64bit registers.
161 (ix86_expand_branch): DImode comparison is simple for x86_64.
162 (memory_address_length): Recognize memory addresses formed using
164 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
166 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
168 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
170 * recog.c (push_operand): Recognize new format of push instructions.
172 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
174 * i386.md (pushqi1): New.
175 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
176 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
177 x86_64_immediate_operand, x86_64_immediate_operand,
178 x86_64_zext_immediate_operand): Declare.
179 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
180 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
181 x86_64_immediate_operand, x86_64_immediate_operand,
182 x86_64_zext_immediate_operand): define.
183 * i386.h (PREDICATE_CODES): Add new predicates.
185 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
187 * i386.md (pophi1, popqi1, pushqi1): Remove.
189 * expr.c (emit_single_push_insn): New function.
190 (move_by_pieces): Accept NULL as destination for push instructions.
191 (gen_push_operand): Kill.
192 (emit_push_insn): Pass NULL when pushing; avoid updating of
194 * expr.h (gen_push_operand): Kill.
196 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
198 * rtl.texi (COMPARE): Clarify documentation and reference section
201 2001-03-20 Stan Shebs <shebs@apple.com>
203 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
204 (get_object_reference): Ditto.
205 (error_with_ivar): Use error_with_file_and_line.
206 (warn_with_method): Use warning_with_file_and_line.
208 2001-03-20 Tom Tromey <tromey@redhat.com>
210 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
212 2001-03-20 Mark Mitchell <mark@codesourcery.com>
214 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
215 variables that are TREE_PUBLIC, even if not TREE_STATIC.
217 2001-03-20 DJ Delorie <dj@redhat.com>
219 * Makefile.in (install-libgcc): Pass complete list of variables.
220 (install-multilib): Ditto.
222 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
224 * config/i386/cygwin.h: Declare ctor_section, dtor_section
225 drectve_section, switch_to_section.
227 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
228 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
229 i386_pe_mark_dllimport.
231 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
233 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
236 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
237 i386_pe_* functions with char * arguments.
239 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
241 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
243 (movsi_ie): Introduce fpul store.
245 2001-03-20 Alan Modra <alan@linuxcare.com.au>
247 * Makefile.in (OBJS): Remove hashtab.o.
249 2001-03-19 Stan Shebs <shebs@apple.com>
251 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
252 * c-lang.c (maybe_objc_method_name): Ditto.
253 * c-tree.h (maybe_objc_method_name): Remove decl.
255 2001-03-19 Tom Tromey <tromey@redhat.com>
257 * gcc.c (init_gcc_specs): Fix comment.
259 2001-03-19 Mark Mitchell <mark@codesourcery.com>
261 Compute DECL_ASSEMBLER_NAME lazily.
262 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
263 (DECL_ASSEMBLER_NAME_SET_P): New macro.
264 (SET_DECL_ASSEMBLER_NAME): Likewise.
265 (COPY_DECL_ASSEMBLER_NAME): Likewise.
266 (set_decl_assembler_name): Declare.
267 (lang_set_decl_assembler_name): Likewise.
268 * tree.c (lang_set_decl_assembler_name): New variab.e
269 (set_decl_assembler_name): New function.
270 (init_obstacks): Set lang_set_decl_assembler_name.
271 (build_decl): Don't set DECL_ASSEMBLER_NAME.
272 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
273 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
274 where it's not necessary.
275 (builtin_function): Likewise.
276 (finish_decl): Likewise.
277 * dbxout.c (dbxout_type_methods): Likewise.
278 * ggc-common.c (ggc_mark_trees): Likewise.
279 * profile.c (output_func_start_profiler): Likewise.
280 * varasm.c (make_decl_rtl): Likewise.
282 * cse.c (find_comparison_args): Update documentation. Fix
283 mishandling of COMPARE operations.
285 * tree.def (ABS_EXPR): Add documentation.
286 * fold-const.c (fold): Improve folding of ABS_EXPRs.
288 2001-03-19 Zack Weinberg <zackw@stanford.edu>
290 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
292 2001-03-19 Jakub Jelinek <jakub@redhat.com>
294 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
295 Remove ia32 linux PIC kludge and move it...
296 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
298 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
300 * i386.md (absdf2 expander): Fix 64bit case.
302 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
304 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
306 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
308 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
310 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
312 * README.X11: Remove obsolete file.
314 2001-03-18 Anthony Green <green@redhat.com>
316 * config/pj/pj.h: Remove some trailing commas.
317 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
319 2001-03-18 Richard Henderson <rth@redhat.com>
321 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
323 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
324 defaults for them here.
326 2001-03-17 Anthony Green <green@redhat.com>
328 * config/pj/lib1funcs.S: Fix broken comment.
329 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
332 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
334 * gcc.texi: Remove obsolete information relating to build and
335 installation problems with enquire or the Pyramid C compiler.
337 2001-03-17 Richard Henderson <rth@redhat.com>
339 * dwarf2out.c (queue_reg_save): New.
340 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
341 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
343 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
344 (cfa, cfa_store, cfa_temp): Make static.
345 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
347 2001-03-17 Richard Henderson <rth@redhat.com>
349 * integrate.h (struct inline_remap): Add local_return_label.
350 * integrate.c (expand_inline_function): Initialize it and emit
351 it after copy_insn_notes.
352 (copy_insn_list): Don't store local_return_label here.
353 (copy_insn_notes): New function split out from copy_insn_list.
355 2001-03-17 Richard Henderson <rth@redhat.com>
357 * dwarf2out.c (lookup_filename): Emit .file if the assembler
358 is generating .debug_line.
359 (dwarf2out_init): Add main_input_filename to the file table first.
360 * configure.in (as_dwarf2_debug_line): Test with file number 1
361 instead of file number 0.
363 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
365 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
366 (gen_rtx_combine): Deleted; all references changed as appropriate.
367 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
369 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
371 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
373 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
376 2001-03-16 Jim Wilson <wilson@redhat.com>
378 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
379 then set it to LOC_REG (79) instead of aborting.
381 2001-03-16 Phil Edwards <pme@sources.redhat.com>
383 * gccbug.in: Remove high priority.
385 2001-03-16 Richard Henerson <rth@redhat.com>
387 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
388 output with a space instead of deleting it.
389 * configure: Regenerate.
391 2001-03-16 Zack Weinberg <zackw@stanford.edu>
393 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
394 handles the gory details of converting an object file into
395 something that's safe to grep.
396 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
397 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
398 newlines at either end of the string we're looking for.
399 Make 'checking ...' message less stilted.
400 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
401 ARM in-memory layout and its hypothetical converse. Don't
402 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
403 HOST_WORDS_BIG_ENDIAN.
405 * configure.in: Adjust for renamed macro. Move
406 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
407 * configure, config.in: Regenerate.
409 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
411 * fixinc/Makefile.in: Set SHELL.
413 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
415 * fixinc/fixincl.c (fix_with_system): Quote file names before
416 passing them to shell.
418 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
420 * Makefile.in: Use fix-header$(build_exeext) instead
423 2001-03-16 Richard Henderson <rth@redhat.com>
425 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
426 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
427 (size_of_line_prolog): Remove.
428 (output_line_info): Compute prologue size via label difference.
429 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
431 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
432 assembler error when redefining file numbers.
433 * config.in, configure: Rebuild.
435 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
436 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
437 (dw2_asm_output_delta_uleb128): Likewise.
438 (dw2_asm_output_delta_sleb128): Similarly.
439 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
441 2001-03-16 Michael Meissner <meissner@redhat.com>
443 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
445 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
447 (BITMASK_LOWER16): Replacement for 0x0000ffff.
449 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
450 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
451 being unsigned in ISO C and signed in traditional.
452 (expand_prologue): Ditto.
453 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
455 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
457 (divsi3,divdi3): Ditto.
458 (modsi3,moddi3): Ditto.
459 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
460 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
461 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
464 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
466 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
467 SSE based conditional moves on LTGT/UNEQ conditions;
468 Canonicalize EQ to NE.
469 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
470 (sse_mov?fcc_ne): New.
472 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
474 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
476 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
477 register may be dead.
479 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
481 * Makefile.in (hash.o): Depend on CONFIG_H.
483 2001-03-15 Mark Mitchell <mark@codesourcery.com>
485 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
487 2001-03-15 Richard Henderson <rth@redhat.com>
489 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
490 (ASM_OUTPUT_DWARF_PCREL): New.
491 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
493 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
495 * cppfiles.c (stack_include_file): Use MAX of sysp.
497 2001-03-15 Steve Ellcey <sje@cup.hp.com>
499 * config.gcc (ia64*-*-hpux*): New case.
500 * config/ia64/hpux.h: New file for HP-UX support.
501 * config/ia64/t-hpux: New file for HP-UX support.
503 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
505 * fixinc/inclhack.def (irix_stdio_va_list): New.
506 * fixinc/fixincl.x: Rebuilt.
508 2001-03-15 Richard Henderson <rth@redhat.com>
510 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
511 if provided by the target.
512 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
513 (dw2_asm_output_addr): New.
514 * dwarf2asm.h (dw2_asm_output_addr): Declare.
515 * dwarf2out.c (output_cfi): Use it for program addresses.
516 (output_call_frame_info, output_die): Likewise.
517 (output_aranges, output_line_info): Likewise.
519 2001-03-15 Bruce Korb <bkorb@gnu.org>
521 * gcc.c(main): make more rigorous
522 * collect2.c(main): guard against ignoring SIGCHLD
523 * protoize.c(main): ditto
524 * gcc/fixinc/fixincl.c(initialize): ditto
526 2001-03-15 Mark Mitchell <mark@codesourcery.com>
528 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
529 (sdbout_parms): Likewise.
531 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
533 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
534 "widen" a destination that is already wider than a word. Also do
535 not widen if LOAD_EXTEND_OP is NIL for the given mode.
537 2001-03-15 Bernd Schmidt <bernds@redhat.com>
539 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
541 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
543 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
545 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
547 * i960.h (i960_maxbitalignment,
548 i960_last_maxbitalignment): Declare.
549 * i960.c (i960_maxbitalignment,
550 i960_last_maxbitalignment): Make global.
551 (process_pragma): Delete.
552 (i960_pr_align, i960_pr_noalign): Move from here ...
553 * i960-c.c: ... to this new file.
554 * t-960bare (i960-c.o): New rule.
555 * t-vxworks960 (i960-c.o): Likewise.
556 * config.gcc (i960-*-*): Define c_target_objs and
559 2001-03-15 Bernd Schmidt <bernds@redhat.com>
561 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
562 without adding in rtx code and mode.
564 * alias.c (init_alias_analysis): Don't use any rtx whose value
565 varies as a known value.
566 Delete a superfluous test.
568 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
570 (ia64_sched_reorder): Call maybe_rotate; also rotate after
571 scheduling a stop bit.
572 (ia64_emit_nops): Correctly handle ASMs.
574 2001-03-15 Mark Mitchell <mark@codesourcery.com>
576 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
578 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
580 * cpp.texi: Update documentation for -include and -imacros.
581 * cppfiles.c (struct include_file): Remove "defined" memeber.
582 (find_or_create_entry): Make a copy of the file name, and
584 (open_file): Update to ensure we use the simplified filename.
585 (stack_include_file): Don't set search_from.
586 (cpp_included): Don't simplify the path name here.
587 (find_include_file): New prototype. Call search_from to
588 get the start of the "" include chain. Don't simplify the
590 (_cpp_execute_include): New prototype. Move diagnostics to
591 do_include_common. Update.
592 (_cpp_pop_file_buffer): Don't set defined.
593 (search_from): New prototype. Use the preprocessor's cwd
594 for files included from the command line.
595 (read_name_map): Don't simplify the pathname here.
596 * cpphash.h (enum include_type): New.
597 (struct buffer): Delete search from. New search_cached.
598 (_cpp_execute_include): Update prototype.
599 * cppinit.c (do_includes): Use _cpp_execute_include.
600 * cpplib.c (do_include_common): New function.
601 (do_include, do_include_next, do_import): Use it.
603 2001-03-14 Mark Mitchell <mark@codesourcery.com>
605 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
606 contents of the RTL, to determine the name of the object.
608 2001-03-14 Mark Mitchell <mark@codesourcery.com>
610 * tree.h (DECL_RTL): Allocate RTL lazily.
611 (SET_DECL_RTL): New macro.
612 (DECL_RTL_SET_P): Likewise.
613 (COPY_DECL_RTL): Likewise.
614 (DECL_RTL_IF_SET): Likewise.
615 * varasm.c (make_decl_rtl): Add assertions about the kind of
616 declaration we are processing.
617 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
618 (start_decl): Likewise.
619 (finish_decl): Likewise.
620 * c-semantics.c (emit_local_var): Likewise.
621 * calls.c (expand_call): Likewise.
622 * dbxout.c (dbxout_symbol): Likewise.
623 * emit-rtl.c (unshare_all_rtl): Likewise.
624 (unshare_all_decls): Likewise.
625 (reset_used_decls): Likewise.
626 * expr.c (store_constructor): Likewise.
627 (safe_from_p): Likewise.
628 (expand_expr): Likewise.
629 * function.c (put_var_into_stack): Likewise.
630 (instantiate_decls_1): Likewise.
631 (assign_parms): Likewise.
632 (expand_function_start): Likewise.
633 (expand_function_end): Likewise.
634 * ggc-common.c (gcc_mark_trees): Likewise.
635 * integrate.c (function_cannot_inline_p): Likewise.
636 (copy_decl_for_inlining): Likewise.
637 (expand_inline_function): Likewise.
638 (integrate_parm_decls): Likewise.
639 (integrate_decl_tree): Likewise.
640 * print-tree.c (print_node): Likewise.
641 * reg-stack.c (stack_result): Likewise.
642 * stmt.c (label_rtx): Likewise.
643 (expand_return): Likewise.
644 (expand_decl): Likewise.
645 (expand_decl_cleanup): Likewise.
646 (expand_anon_union_decl): Likewise.
647 * toplev.c (check_global_declarations): Likewise.
648 (rest_of_decl_compilation): Likewise.
649 * tree.c (simple_cst_equal): Likewise.
650 * objc/objc-act.c (generate_static_references): Likewise.
652 2001-03-14 Zack Weinberg <zackw@stanford.edu>
654 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
655 gcc_AC_C_FLOAT_FORMAT): New macros.
656 * configure.in: Add AC_PROG_CPP after CC tests;
657 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
658 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
659 * configure, config.in: Regenerate.
661 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
662 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
663 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
664 config/i370/xm-linux.h, config/i370/xm-oe.h,
665 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
666 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
667 config/pa/xm-linux.h, config/pa/xm-pa.h,
668 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
669 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
670 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
671 config/we32k/xm-we32k.h: Delete.
673 * config/i370/xm-mvs.h, config/m88k/m88k.h,
674 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
675 config/vax/xm-vms.h: Don't define any of:
676 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
678 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
680 * config.gcc: Remove references to deleted files.
681 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
682 FATAL_EXIT_CODE, which is the same between oe and mvs).
684 2001-03-14 DJ Delorie <dj@redhat.com>
685 Vladimir Makarov <vmakarov@redhat.com>
687 * config/i960/i960.c (i960_function_prologue): Compute size of
688 frame according to number of registers actually saved there.
690 2001-03-14 Richard Henderson <rth@redhat.com>
692 * expr.c (emit_move_insn_1): Fix else if around #endif.
694 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
697 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
700 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
702 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
703 (override_options): Parse cmodel string.
704 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
705 * i386.h (TARGET_OPTIONS): Add "cmodel".
706 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
708 (ix86_cmodel_string, ix86_cmodel): Declare.
710 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
713 * i386.h (GENERAL_REG_P): Add missing REG_P.
715 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
717 * configure.in: Use $gcc_cv_as instead of $as.
718 * configure: Regenerated.
720 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
722 * cppfiles.c (stack_include_file): Only increase the include
723 count if we actually process the file properly, as opposed
724 to treating it as length zero. Only call read_include_file
725 if not DO_NOT_REREAD. Handle the -H include file output
727 (read_include_file): Remove now redundant DO_NOT_REREAD check.
728 (cpp_included, find_include_file): Simplify pathnames after
729 remapping them. If remapping, don't use the remapped file
730 name's buffer as our scratch buffer.
731 (cpp_pop_file_buffer): Replace the multiple include macro
732 only if it isn't yet set.
733 (read_name_map): Simplify remapped names when reading in.
734 (remap_filename): Move code to code path that uses it.
735 (_cpp_simplify_pathname): Return the input pointer.
736 * cpphash.h (_cpp_simplify_pathname): Update prototype.
738 2001-03-14 Mark Mitchell <mark@codesourcery.com>
740 * expr.c (expand_expr): Revove bogus conditional.
742 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
744 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
746 2001-03-14 Jakub Jelinek <jakub@redhat.com>
748 * reg-stack.c (stack_result): Unconditionally use
749 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
751 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
753 * expr.c (emit_move_insn_1): Split push of complex value when
754 no suitable push instruction exist.
756 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
759 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
761 * alias.c (handled_component_p, can_address_p): New functions.
762 (get_alias_set): Use them.
764 2001-03-13 Jim Wilson <wilson@redhat.com>
766 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
767 from 80 in try_locals code.
768 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
770 2001-03-13 Zack Weinberg <zackw@stanford.edu>
772 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
773 gcc_AC_C_LONG_LONG): New.
774 * configure.in: Use them. Probe the size of short, int, long,
775 and long long/__int64 if we have them. Move all the AC_C_*
776 checks together, except gcc_AC_C_CHAR_BIT which has to go
777 after AC_CHECK_HEADERS(limits.h).
778 Take hwint.h out of host_xm_file and build_xm_file.
780 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
781 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
782 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
783 Move the HOST_WIDEST_INT setup logic here from system.h.
784 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
786 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
787 is now handled by hwint.h.
789 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
790 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
791 config/ia64/xm-ia64.h: Don't define any of:
792 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
793 HOST_BITS_PER_LONGLONG.
795 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
796 config/h8300/xm-h8300.h, config/mips/iris6.h,
797 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
798 config/sparc/xm-sp64.h: Delete.
799 * config.gcc: Remove references to deleted files.
801 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
802 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
803 * config/i370/xm-linux.h: Clarify floating-point situation in
806 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
808 * cppfiles.c (NO_INCLUDE_PATH): New macro.
809 (find_include_file): Decide here which part of the include
810 chain to start the search. Complain about an empty include
811 chain in all cases apart from an abolsute file name.
812 (_cpp_execute_include): Don't choose the search chain here.
813 Don't call handle_missing_include in the case of an empty
815 (_cpp_compare_file_date): Don't choose the search chain here.
816 * cpplib.c (do_include_next): Move the in-main-file diagnostic
817 here from _cpp_execute_include. Behave like #include if
818 we're in the main file.
820 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
822 * system.h (malloc, realloc, calloc, strdup): Only poison these
823 tokens when IN_GCC is defined.
825 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
827 * i386.md (abs?f expander): Support SSE case.
828 (abd?f_if): Add new "USE"; add splitters.
830 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
832 * cpp.texi (poison): Explain the macro expansion exception.
834 2001-03-13 Jakub Jelinek <jakub@redhat.com>
836 * expr.c (store_expr): Add dont_store_target. If temp is already in
837 target before copying to reg, don't store it into target again.
839 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
841 * cppinternals.texi: Update for file handling.
843 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
845 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
846 2001-02-24 which broke building the Java library.
847 * function.c (identify_blocks): Likewise.
848 (all_blocks): Likewise.
849 * integrate.c (integrate_decl_tree): Likewise.
850 * print-tree.c (print_node): Likewise.
851 * tree.h (BLOCK_NUMBER): Likewise.
852 (struct tree_block): Likewise.
854 2001-03-12 David Edelsohn <edelsohn@gnu.org>
856 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
857 __WCHAR_TYPE__ definition.
858 (WCHAR_TYPE_SIZE): #undef before #define.
860 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
862 * cppfiles.c: Update comments.
863 (destroy_include_file_node): Rename destroy_node.
864 (find_or_create_entry): New function.
865 (open_file, _cpp_fake_include): Use it.
866 (handle_missing_header): New function, broken out of
867 _cpp_execute include. Don't segfault if there is no
868 system or quoted path.
869 (_cpp_execute_include): Use handle_missing_header.
871 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
873 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
874 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
876 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
878 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
879 unless anti_dependence says they are.
880 * alias.c (objects_must_conflict): If neither has a type specified,
883 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
884 David Billinghurst <David.Billinghurst@riotinto.com>
886 * config/mips/iris5.h: Change WCHAR_TYPE to int.
888 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
890 * i386.md (trunctfdf2_2): Rename missnamed pattern.
891 (*_one_bit): Remove type on the match_operand in attributes.
893 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
895 * i386.c: Commit forgotten hunk in previous patch.
896 (regclass_map): Add extended registers.
897 (dbx_register_map): Add missing frame register.
899 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
901 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
903 * i386.md (x86_sahf_1): Disable for 64bit.
904 (popsi*, pophi*): Likewise.
905 (pushqi, pushhi): Likewise.
906 (movdi, pushdi): Likewise.
907 (zero extend DImode splitter): Likewise.
908 (adddi, minusdi splitter): Likewise.
909 (umulsidi): Likewise.
911 (mulsidi): Disable for 64bit
912 (lshift:DI/ashift:DI): Disable for 64bit.
913 (loop patterns): Likewise.
914 (call_pop, call_value_pop expanders and patterns): Likewise.
915 (prologue_get_pc): Likewise.
917 (fcmovDI pattern and splitter): Likewise.
918 (movdfcc_1_rex64): New.
920 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
922 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
923 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
924 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
925 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
926 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
927 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
928 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
929 (PUSH_ROUNDING): x86_64 rounds to 64bits.
930 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
931 (REGPARM_MAX): Set to 6 for x86_64.
932 (SSE_REGPARM_MAX): Set to 16 for x86_64.
933 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
936 * (patterns that does use upper halves): Update constraints
937 'q' to 'Q' and 'r' to 'R'.
938 (cmpqi_ext_1): Disable for 64bit.
939 (cmpqi_ext_3_insn): Likewise.
940 (movqi_extzv_1): Likewsie.
941 (addqi_ext_1): Liekwsie
942 (testqi_ext_1): Liekwsie
943 (andqi_ext_1): Liekwsie
944 (xorqi_ext_1): Liekwsie
945 (cmpqi_ext_1_rex64): New.
946 (cmpqi_ext_3_insn_rex64): Likewise.
947 (movqi_extzv_1_rex64): Likewsie.
948 (addqi_ext_1_rex64): Liekwsie
949 (testqi_ext_1_rex64): Liekwsie
950 (andqi_ext_1_rex64): Liekwsie
951 (xorqi_ext_1_rex64): Liekwsie
953 2001-03-11 Zack Weinberg <zackw@stanford.edu>
955 * configure.in: Move check for unsigned enumerated bitfields
956 to macro in aclocal.m4. Disable it for now.
957 * configure, config.in: Regenerate.
958 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
959 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
960 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
961 kind above its first use.
963 * config/xm-interix.h, config/alpha/xm-alpha.h,
964 config/i370/xm-linux.h, config/i386/xm-beos.h,
965 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
966 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
967 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
968 Don't define ONLY_INT_FIELDS under any circumstances.
970 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
972 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
973 config/sparc/xm-sysv4.h: Delete - now identical with some
975 * config.gcc (hppa targets): Replace xm-pahpux.h and
976 xm-papro.h with implicit xm-pa.h.
977 (sparc targets): Replace xm-sysv4.h with implicit or explicit
980 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
982 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
983 before reload_cse_noop_set_p.
985 2001-03-11 Zack Weinberg <zackw@stanford.edu>
987 * config.gcc: Where xm-host.h used to include another
988 xm-host.h, list the nested header directly in xm_file. Remove
989 references to deleted files. Can now use sparc/xm-sp64.h for
992 * config/xm-linux.h, config/arm/xm-linux.h,
993 config/i386/xm-dos.h, config/i386/xm-gnu.h,
994 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
995 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
996 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
997 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
1000 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
1001 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
1002 bother to wrap #undef in #ifdef.
1003 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
1004 Don't include xm-linux.h.
1005 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
1007 * configure.in: Wrap regexps using [] in changequote block.
1008 Use expr : not echo | grep. Simplify regexps.
1009 * configure: Regenerate.
1011 56 xm-files remain, 22 xm-arch.
1013 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1015 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
1016 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1017 (local_index, local_rindex): Delete, use strchr/strrchr instead.
1018 (copy_object): Fix format specifier vs argument mismatch.
1020 * mips-tdump.c: Make local functions static.
1021 (rindex): Don't #undef.
1022 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
1023 (fatal, fancy_abort): Delete.
1024 (read_seek): Avoid signed/unsigned compare.
1026 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1028 * combine.c (try_combine): Fix error in change to try original
1030 (gen_rtx_combine): Do same as gen_rtx for now.
1032 2001-03-11 Zack Weinberg <zackw@stanford.edu>
1034 * configure.in: AC_SUBST xm_defines.
1035 * configure: Regenerate.
1036 * Makefile.in: Set DEFINES=$(xm_defines) when building
1039 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
1041 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
1042 (cpp_included, find_include_file): Update.
1043 (_cpp_compare_file_date): Make else unconditional.
1045 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
1047 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
1049 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
1051 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
1052 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
1054 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
1056 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
1057 if it's a record type.
1059 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
1061 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
1062 mingw includes slightly.
1064 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1066 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
1067 #undef token before poisoning it.
1069 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1071 * alpha.c (check_float_value): Use memcpy, not bcopy.
1073 * m32r.c (m32r_sched_reorder): Likewise.
1075 * vax.c (check_float_value): Likewise.
1077 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1079 * toplev.c (file_name_nondirectory): Remove.
1080 * toplev.h: Similarly.
1081 * dwarf2out.c (compute_section_prefix): Use lbasename instead
1082 of file_name_nondirectory.
1084 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1086 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
1087 * mips-tfile.c: Don't #undef rindex; not used.
1089 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
1091 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
1092 (dbx64_register_map): Declare.
1093 (RETURN_ADDR_RTX): Fix for 64bit.
1094 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
1095 (INCOMING_FRAME_SP_OFFSET): Set to 8.
1096 * i386.c (dbx64_register_map): New global array.
1097 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
1098 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
1101 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
1103 * cppfiles.c (search_from): Use lbasename.
1104 * mkdeps.c (deps_add_default_target): Use lbasename.
1106 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1108 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
1109 xcalloc in lieu of malloc, realloc & calloc.
1111 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
1113 * gengenrtl.c (xmalloc): Likewise.
1115 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
1116 really_call_* memory allocation routines.
1118 * stmt.c (check_for_full_enumeration_handling): Use
1119 really_call_calloc, not calloc.
1121 * system.h (really_call_malloc, really_call_calloc,
1122 really_call_realloc): Define.
1123 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
1125 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
1127 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
1129 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
1131 * configure: Rebuilt.
1132 * configure.in: Only use `lang_requires' for languages athat are
1135 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
1137 * invoke.texi: Fix typo.
1138 * gcc.1: Regenerate.
1140 2001-03-09 Zack Weinberg <zackw@stanford.edu>
1142 * configure.in: Prune nonexistent files from build_xm_file,
1143 xm_file, and host_xm_file lists. Warn unless they're
1145 Don't generate *config.h here.
1146 AC_SUBST all variables needed to generate *config.h.
1147 * configure: Regenerate.
1148 * mkconfig.sh: New helper script, from code removed from
1150 * Makefile.in: Zap all MALLOC variables - no longer used
1151 anywhere, and malloc.c doesn't exist.
1152 Substitute in variables needed to generate *config.h.
1153 Stop lying about the dependencies contained in CONFIG_H and
1155 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
1156 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
1157 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
1158 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
1159 $(TM_P_H), etc. as appropriate.
1161 * config.gcc: Zap references to deleted files.
1162 * ggc-none.c: Don't include rtl.h or tm_p.h.
1164 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
1165 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
1166 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
1167 config/i386/xm-linux.h, config/i386/xm-linux.h,
1168 config/i386/xm-next.h, config/i386/xm-openbsd.h,
1169 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
1170 Don't include i386/xm-i386.h.
1172 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
1173 config/i386/xm-i386.h, config/i860/xm-i860.h,
1174 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
1175 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1176 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
1177 Delete (empty except comments, #includes of other deleted
1178 files, and macros used nowhere).
1180 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
1182 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
1183 independent on TARGET_FLAGS.
1185 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
1187 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
1189 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
1191 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
1193 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
1194 LAST_REX_SSE_REG): define.
1195 (enum reg_class): Add 'LEGACY_REGS'
1196 (REG_CLASS_CONTENTS): Likewise; add extended registers.
1197 (SSE_REGNO_P): Recognize extended registers.
1198 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
1199 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
1200 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
1201 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
1202 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
1203 REG_OK_FOR_STRREG_P): Remove.
1204 (HI_REGISTER_NAMES): Add extended registers.
1205 (ADDITIONAL_REGISTER_NAMES): Likewise.
1206 (QI_REGISTER_NAMES): Add 8bit extended registers.
1207 (DEBUG_REG): Support extended registers.
1208 * i386.c (regclass_map): Add extended registers.
1209 (dbx_register-map): Likewise.
1210 (svr4_dbx_register_map): Likewise.
1211 (print_reg): Support extended registers.
1212 (print_operand): Support 64bit operands.
1214 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
1216 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
1217 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
1218 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
1219 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
1220 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
1221 STACK_BOUNDARY): Set properly for 64bits.
1222 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
1223 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
1224 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
1225 (MOVE_MAX): Set to 16.
1226 (MOVE_MAX_PIECES): 8 for 64bit.
1227 (Pmode): Set to SImode.
1229 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
1231 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
1233 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
1235 * i386.h (mask_64bit): New constant.
1236 (target_64bit): New macro.
1237 (target_options): Add '64'/'32'
1238 (target_default): Define.
1239 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
1240 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
1241 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
1243 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
1245 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
1247 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
1249 * rtlanal.c (rtx_varies_p): Check operand 0 of a
1250 LO_SUM unless for_alias is set.
1252 2001-03-08 Stan Shebs <shebs@apple.com>
1254 * objc/objc-act.c: Fix old typos in comments, add comments for
1256 (hash_init): Fix file name in error message.
1257 (hash_enter): Ditto.
1258 (hash_add_attr): Ditto.
1259 (continue_class): Ditto.
1261 2001-03-08 Bruce Korb <bkorb@gnu.org>
1263 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
1264 wait4() can receive the signal.
1266 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1268 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
1270 * fixinc/fixincl.x: Regenerate.
1272 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1274 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
1276 * fixinc/fixincl.x: Regenerate.
1278 2001-03-08 Richard Henderson <rth@redhat.com>
1280 * configure.in (HAVE_AS_LEB128): New assembler check.
1281 * configure, config.in: Rebuilt.
1283 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
1285 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
1288 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1290 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
1291 references to the MAXPATHLEN macro.
1293 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
1294 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
1297 * config/i386/xm-gnu.h, config/xm-gnu.h,
1298 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
1299 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
1300 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
1301 and/or unused files.
1303 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
1304 doing so in various xm-*.h files.
1306 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1308 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
1310 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
1312 * configure.in (enable_shared): Support per-package shared-library
1314 * configure: Rebuilt.
1316 2001-03-07 David Edelsohn <edelsohn@gnu.org>
1318 * rs6000.md (cr logic): Add original POWER mnemonic alternative
1319 for crnot. Set operands[5] in splitter.
1321 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1323 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
1324 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
1325 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
1326 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
1327 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
1328 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
1329 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
1332 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
1333 config/i370/xm-i370.h, config/i386/xm-dgux.h,
1334 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
1335 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
1336 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
1337 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
1338 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
1339 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
1340 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
1341 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
1342 Delete unused and/or empty files.
1344 * config.gcc: Define USG in xm_defines as appropriate. Define
1345 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
1346 macro. Remove deleted xm-* files from $xm_files variable.
1348 2001-03-07 Tom Tromey <tromey@redhat.com>
1350 * configure: Rebuilt.
1351 * configure.in: Allow config-lang.in to set `lang_requires' to list
1352 of other required languages.
1354 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
1356 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
1358 (output_prologue): Use xmalloc not oballoc.
1359 (output_epilog): Free a29k_first_epilogue_insn when finished.
1360 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
1362 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
1364 * builtins.c (expand_builtin_mathfn): Check
1365 flag_unsafe_math_optimizations, not flag_fast_math.
1366 (expand_builtin): Likewise
1367 * combine.c (combine_simplify_rtx): Likewise.
1368 (simplify_if_then_else): Likewise.
1369 * cse.c (fold_rtx): Likewise.
1370 * flags.h: Remove flag_fast_math. Add
1371 flag_unsafe_math_optimizations and flag_trapping_math.
1372 * fold-const.c (negate_expr): Check
1373 flag_unsafe_math_optimizations, not flag_fast_math.
1374 (invert_truthvalue): Likewise.
1375 (fold): Likewise. Before associating operands, check that
1376 code == MULT_EXPR, not code != MULT_EXPR.
1377 * ifcvt.c (noce_try_minmax): Check
1378 flag_unsafe_math_optimizations, not flag_fast_math.
1379 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
1380 * invoke.texi: Document -funsafe-math-optimizations and
1381 -fno-trapping-math. Change documentation for -ffast-math.
1382 * jump.c (reversed_comparison_code_parts): Likewise.
1383 (rtx_equal_for_thread_p): Likewise.
1384 * optabs.c (emit_conditional_move): Likewise.
1385 * simplify-rtx.c (simplify_binary_operation): Likewise.
1386 (simplify_relational_operation): Likewise.
1387 (simplify_ternary_operation): Likewise.
1388 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
1389 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
1390 Add trapping-math and unsafe-math-optimizations entries to f_options.
1391 (set_fast_math_flags): New, sets flags for -ffast-math.
1392 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
1393 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
1394 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
1396 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
1397 (alpha_emit_conditional_move): Initialize local_fast_math to
1398 flag_unsafe_math_optimizations, not flat_fast_math.
1399 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
1400 instead of setting flag_fast_math to 1.
1401 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
1403 * config/i386/i386.c (override_options): Likewise
1404 * config/i386/i386.md: Likewise.
1405 * config/m68k/m68k.md: Likewise.
1406 * config/mips/mips.md: Likewise.
1407 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
1408 (rs6000_generate_compare): Likewise.
1410 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1412 * Makefile.in: Set RANLIB to @RANLIB@.
1415 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1417 * fixinc/inclhack.def (djgpp_wchar_h): New test.
1418 * fixinc/fixincl.x: Regenerated.
1420 2001-03-07 Richard Henderson <rth@redhat.com>
1422 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
1424 2001-03-07 Richard Henderson <rth@redhat.com>
1426 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
1427 of block notes and exception handling notes.
1429 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
1430 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
1431 (compile_file): ... here.
1433 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1435 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
1437 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
1438 config.h now. Include libiberty.h to handle alloca.
1440 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1442 * c-parse.in (yylexname): New function, split out of _yylex.
1443 (objc_rid_sans_at): New table.
1444 (init_reswords): Initialize it.
1445 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
1446 retrieving the next token and checking it for significance as
1447 an ObjC keyword or string constant.
1449 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
1450 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
1452 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
1455 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
1457 * config/m68k/m68k.c (const_uint32_operand): Accept any
1458 const_int on a 32-bit host.
1460 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
1462 * objc/objc-act.c (init_objc): Set save_lang_status,
1463 restore_lang_status, and mark_lang_status.
1465 2001-03-06 Krister Walfridsson <cato@df.lth.se>
1467 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
1469 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
1471 * cppinternals.texi: Update.
1473 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1475 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1476 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
1477 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
1478 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1479 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
1480 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1481 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
1482 config/i386/xm-i386.h, config/i860/xm-i860.h,
1483 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1484 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
1485 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1486 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1487 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1488 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1489 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
1490 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1491 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
1492 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1493 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1494 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
1495 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
1496 match the defaults provided in hwint.h.
1498 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1499 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
1501 * config.gcc (xm_file): Don't set to files which are deleted.
1503 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
1504 guard this file against these macros being undefined.
1506 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1508 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
1509 and DECL_DEFER_OUTPUT on the decl we create, before calling
1510 rest_of_decl_compilation.
1512 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1514 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
1516 * configure, config.in: Regenerate.
1517 * config.gcc: Remove references to deleted files.
1519 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
1520 genrecog.c, rtl.c: Do not use alloca anywhere.
1522 * Makefile.in, build-make, system.h, config/x-interix,
1523 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
1524 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
1525 config/arc/xm-arc.h, config/arm/xm-arm.h,
1526 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1527 config/h8300/xm-h8300.h, config/i370/x-oe,
1528 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
1529 config/i386/x-ncr3000, config/i386/x-sco5,
1530 config/i386/xm-dgux.h, config/i860/x-sysv4,
1531 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
1532 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
1533 config/m68k/x-hp320g, config/m69k/x-mot3300,
1534 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
1535 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
1536 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
1537 config/m88k/x-sysv4, config/m88k/x-tekXD88,
1538 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1539 config/mips/x-iris, config/mips/x-iris3,
1540 config/mips/x-sni-svr4, config/mips/x-sysv,
1541 config/mips/xm-iris6.h, config/mips/xm-mips.h,
1542 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
1543 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
1544 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1545 config/pa/xm-papro.h, config/romp/xm-romp.h,
1546 config/rs6000/x-aix31, config/rs6000/x-aix41,
1547 config/rs6000/x-beos, config/rs6000/x-lynx,
1548 config/rs6000/x-mach, config/rs6000/x-rs6000,
1549 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
1550 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1551 config/sparc/x-sysv4, config/sparc/xm-linux.h,
1552 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
1553 config/vax/xm-vms.h: Eradicate all references to alloca and
1556 * config/xm-alloca.h, config/clipper/x-clix,
1557 config/i386/xm-sysv4.h, config/i860/x-fx2800,
1558 config/i860/x-sysv3, config/m88k/x-sysv3,
1559 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
1560 (contained only alloca related hacks).
1562 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
1565 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
1567 * invoke.texi: Document __FAST_MATH__.
1569 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1571 * crtstuff.c: Restore include of auto-host.h.
1573 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
1575 Put main() in a separate file, so that the language
1576 front-end can use a different main().
1579 * toplev.c: (main): Rename as toplev_main.
1580 * toplev.h: Declare toplev_main.
1581 * Makefile.in (OBJS): add toplev.o.
1582 (BACKEND): remove toplev.o, add main.o.
1584 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1586 * cppfiles.c (search_from): Special case the empty string.
1588 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1590 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1591 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1592 strlen or strcpy; we already know the length.
1593 (_cpp_compare_file_date): Similarly.
1594 * cpphash.h (struct cpp_reader): Delete done_initialising.
1595 (CPP_PREV_BUFFER): Delete.
1596 * cppinit.c (cpp_start_read): Don't set done_initialising.
1597 * cpplex.c (parse_string): Guarantee null-termination.
1598 (_cpp_equiv_toklists): Remove.
1599 * cpplib.c (glue_header_name): Null-terminate.
1600 (do_line): Don't leak memory.
1601 * cpplib.h (BT_WEAK): Delete.
1602 * cppmain.c (cb_ident): Strings are now null-terminated.
1604 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1606 * gcc.c (convert_filename): Append executable suffix
1607 if NO_AUTO_EXE_SUFFIX is not defined.
1608 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1609 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1611 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1613 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1614 * c-parse.gperf, c-gperf.h: Delete.
1615 (c-gperf.h was accidently re-added to the CVS repo in the rev
1616 1.16 commit by tromey)
1618 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1620 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1621 macro arguments when looking for the '('.
1622 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1623 2 when really parsing arguments; 1 when looking for '('.
1624 Always restore the lexer position.
1626 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1628 * longlong.h (umul_ppmm): Don't use a multiline string.
1630 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1632 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1633 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1634 t_bool in declaration because pcc can't combine volatile with typedef
1637 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1639 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1640 until when it is really needed.
1641 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1642 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1643 * i386.md (float?i?f splitter): Don't force source operand to memory
1645 (sse_movdfcc): Fix constraint.
1646 (sse_movdfcc splitter): Handle properly the second alternative.
1648 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1650 * cpplex.c (parse_string): Unconditionally pedwarn.
1652 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1655 * cppexp.c (parse_number): Update.
1656 * cpplex.c (parse_string): Pedwarn if multiline string does not
1657 result from a system header's macro.
1658 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1659 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1660 for function-like macros too.
1661 * c-lex.c (lex_number): Update.
1663 2001-03-03 Richard Henderson <rth@redhat.com>
1665 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1667 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1669 * combine.c (try_combine): If split with mode-changed scratch
1670 register didn't work, try the original mode.
1672 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1674 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1675 * config/c4x/c4x.h: Likewise.
1676 * stor-layout.c (compute_record_mode): Likewise.
1677 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1679 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1681 * configure.in: Kill tm.h. Include the files in the $tm_file
1682 list in all three of config.h, hconfig.h, tconfig.h, after the
1683 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1684 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1685 * configure: Regenerate.
1686 * Makefile.in (clean): Don't delete tm.h.
1688 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1689 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1690 those are not defined, set SEC and FEC to 0 and 1.
1691 * gcc.texi: Update to match.
1693 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1694 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1695 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1696 Include tconfig.h, not tm.h.
1698 * config/xm-lynx.h, config/xm-std32.h,
1699 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1700 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1701 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1702 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1703 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1704 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1705 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1706 config/i386/xm-i386.h, config/i860/xm-i860.h,
1707 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1708 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1709 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1710 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1711 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1712 config/pa/xm-linux.h, config/pa/xm-pa.h,
1713 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1714 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1715 config/pj/xm-pj.h, config/romp/xm-romp.h,
1716 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1717 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1718 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1719 config/v850/xm-v850.h, config/vax/xm-vax.h,
1720 config/we32k/xm-we32k.h:
1722 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1724 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1725 config/i370/xm-oe.h: Don't include tm.h. Don't define
1727 * config/vax/xm-vms.h: Don't include tm.h.
1729 * config/xm-lynx.h, config/avr/xm-avr.h,
1730 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1731 Delete; made empty by above changes.
1732 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1733 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1734 Don't include config/xm-lynx.h or tm.h.
1736 * config/xm-gnu.h: Don't include fcntl.h.
1737 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1739 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1741 2001-03-02 Richard Henderson <rth@redhat.com>
1743 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1744 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1746 2001-03-02 Richard Henderson <rth@redhat.com>
1748 * Makefile.in (OBJS): Add dwarf2asm.o.
1749 * dwarf2asm.c, dwarf2asm.h: New files.
1750 * dwarf2out.c (*): Use them.
1751 (size_of_uleb128, size_of_sleb128): Remove.
1752 (output_uleb128, output_sleb128): Remove.
1753 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1754 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1755 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1756 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1757 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1758 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1759 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1760 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1761 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1762 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1763 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1764 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1765 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1766 (dwarf2out_frame_debug): Remove unused variables.
1767 (output_loc_operands): Don't abort on 8 byte constants if
1768 host integers are wide enough.
1769 (output_symbolic_ref): Remove.
1770 (size_of_die): Don't assume 4 byte host integers.
1771 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1773 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1774 something stupid with HOST_WIDE_INT to long truncation.
1775 [CONST_DOUBLE]: Likewise.
1777 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1778 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1779 * config/arm/unknown-elf.h: Likewise.
1780 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1781 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1782 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1783 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1784 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1785 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1786 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1787 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1788 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1789 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1790 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1791 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1793 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1795 * cselib.c (hash_rtx): Cast enums to unsigned int.
1797 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1799 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1800 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1802 * c-format.c (C_STD_VER): Cast to int for comparisons.
1803 (check_function_format): Cast various enums to int for &.
1804 (maybe_read_dollar_number): Likewise.
1805 (check_format_info): Likewise.
1806 (check_format_info_main): Likewise.
1807 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1808 (safe_from_p): Likewise.
1809 * varasm.c (const_hash): Cast enum to int for %.
1810 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1811 pcc enum problems with < and ++ operators.
1812 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1813 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1814 (regclass_init): Change enum class to int to iterate over reg_classes.
1815 * genrecog.c (merge_trees): Cast enums for comparison.
1816 * rtl.h (GET_CODE): Cast to enum rtx_code.
1817 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1818 (GET_MODE): Cast to enum machine_mode.
1819 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1820 (GET_NOTE_INSN_NAME): Cast enum to int.
1821 * tree.h (TREE_CODE): Cast to enum tree_code.
1822 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1823 * timevar.c (timevar_print): Change loop variable id from enum to
1825 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1826 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1827 * toplev.c (compile_file): Cast enum DFI to int.
1828 (decode_d_option): Likewise.
1830 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1832 * cppinit.c (append_include_chain): Mark "after" include file name list
1833 as a system directory.
1834 * cpp.texi: Document new behavior.
1836 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1838 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1840 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1842 * cppfiles.c (struct include_file): Update.
1843 (stack_include_file): Use search_from.
1844 (cpp_included, find_include_file): Update.
1845 (cpp_execute_include): Update. ptr->name may not be
1846 null terminated. Use the new search_from member variable
1848 (_cpp_compare_file_date): Similarly.
1849 (search_from): New function, similiar to actual_directory.
1850 (actual_directory): Delete.
1851 (remap_filename): Update. loc->name may not be null terminated.
1852 (struct file_name_list): Rename search_path. Update.
1853 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1854 search_from and dir.
1855 (struct cpp_reader): Remove actual_dirs.
1856 * cppinit.c (struct cpp_pending): Update for renamed objects.
1857 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1858 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1859 * cpplib.h (struct cpp_options): Similarly.
1861 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1863 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1864 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1865 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1866 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1867 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1868 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1869 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1870 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1871 config/i370/xm-oe.h, config/i386/xm-aix.h,
1872 config/i386/xm-i386.h, config/i386/xm-osf.h,
1873 config/i860/xm-i860.h, config/i960/xm-i960.h,
1874 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1875 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1876 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1877 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1878 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1879 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1880 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1881 config/pj/xm-pj.h, config/romp/xm-romp.h,
1882 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1883 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1884 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1885 config/v850/xm-v850.h, config/vax/xm-vax.h,
1886 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1887 Do not define TRUE or FALSE.
1889 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1890 empty by above change.
1891 * config.gcc: Remove references to these files.
1893 * configure.in: Detect stdbool.h.
1894 * configure, config.in: Regenerate.
1895 * system.h: Include stddef.h here if available.
1896 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1897 Then set up a sensible boolean type at the very end.
1899 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1900 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1902 * hash.h: Delete 'boolean' typedef and related #undefs.
1904 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1905 all uses of 'boolean' with 'bool'.
1907 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1909 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1910 * cppexp.c (lex): Cast enums for comparison.
1911 * cppinit.c (parse_option): Cast enum for comparison.
1912 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1913 (cpp_output_token): Likewise.
1914 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1915 (cpp_avoid_paste): Cast enums for minus and comparison.
1917 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1919 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1920 field to all array elements.
1922 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1924 * cpphash.h (struct cpp_reader): Add print_version field.
1925 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1926 just set print_version and other flags as appropriate.
1927 (cpp_post_options): Print version here if print_version is set.
1929 * toplev.c (exit_after_options): New flag.
1930 (independent_decode_option): Don't exit here; just set
1932 (main): Exit after calling lang_hooks.post_options if
1933 exit_after_options is true.
1935 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1936 (merge_include_chains): Adjust comment to match code.
1938 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1940 * stringpool.c (set_identifier): New function.
1941 * tree.h: Prototype it.
1943 * c-parse.in: Kill D_YES. If compiled for objc, call
1944 save_and_forget_protocol_qualifiers from init_reswords.
1945 * objc/objc-act.c (remember_protocol_qualifiers,
1946 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1947 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1949 (save_and_forget_protocol_qualifiers): New function.
1950 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1952 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1954 * c-semantics.c (prune_unused_decls): Return error_mark_node
1955 instead of (tree) 1 to stop traversing the tree chain.
1957 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1959 Fix a problem introduced by Kenner's Feb 18 change.
1960 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1961 flag_cse_skip_blocks only temporarily, not for ever.
1963 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1965 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1966 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1968 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1969 before determining its register class.
1971 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1973 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1974 from reg 4 if current_function_calls_setjmp.
1975 (gen_nop_type): New function.
1976 (ia64_emit_nops): New function.
1977 (ia64_reorg): Call it.
1978 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1980 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1981 code not to try to optimize adds with anything but a REG destination.
1983 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1984 (INSN_PRIORITY_KNOWN): New accessor macro.
1985 * haifa-sched.c (priority): Use it instead of testing priority against
1988 2001-02-28 DJ Delorie <dj@redhat.com>
1990 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1991 since that doesn't work the way gcc wants on a generic m68k.
1993 2001-02-28 Richard Henderson <rth@redhat.com>
1995 * caller-save.c (save_call_clobbered_regs): Fix typo in
1996 comparison last change.
1998 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
2000 * i386.c (pentium4_cost): New.
2001 (m_PENT4): New macro.
2002 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
2003 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
2004 x86_integer_DFmode_moves, x86_partial_reg_dependency,
2005 x86_memory_mismatch_stall): Add Pentium4
2006 (x86_use_q_reg, x86_use_any_reg): Kill.
2007 (override_options): Add pentium4.
2008 (incdec_operand): Return 0 for pentium4.
2009 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
2010 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
2011 (TARGET_PENTIUM4): Define.
2012 (enum processor_type): Add PROCESSOR_PENTIUM4.
2013 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
2014 * i386.md (attribute "cpu"): Add pentium4.
2015 * invoke.texi (march): Add pentium4.
2017 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
2019 * i386.md (sse_mov?fcc*): New patterns and splitters.
2020 * i386.c (ix86_expand_movcc): Work post-reload; recognize
2021 the SSE based conditional moves.
2023 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
2025 * i386.md (attribute mode): Add "TI".
2026 (movsf_1): Add pxor support; remove constant propagation splitter.
2027 (movdf_integer): Likewise.
2028 (movdf_nointeger): Likewise.
2029 (movxf constant prop splitter): Handle all modes; update for SSE.
2030 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
2031 * i386.c (standard_80387_constant_p): Rewrite.
2032 (standard_sse_constant_p): New.
2033 * i386-protos.h (standard_sse_constant_p): New.
2035 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
2037 * i386.md (sse_setccsf, sse_setccdf): New.
2038 (sse_cmp* patterns): Use '%D' instead of outputtting condition
2040 * i386.c (sse_comparison_operator): Accept the supported unordered
2041 comparses; be ready for fast_math.
2042 (print_operand): Support 'D'.
2044 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
2046 * jump.c (reversed_comparison_code): Kill.
2048 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
2050 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
2053 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
2055 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
2056 add missing '%' in constraints.
2058 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
2060 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
2061 for HOST_BITS_PER_WIDE_INT == 32 too.
2063 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
2065 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
2067 (insert_save, insert_restore): New parameter save_mode.
2068 (init_caller_save): Update initialization of reg_save_code
2069 and reg_restore_code.
2070 (save_call_clobbered_regs): Compute save_modes and update calls to
2071 reg_save_code and reg_restore_code.
2072 (insert_restore): Unsignetize numbers; use save_modes to choose mode
2073 of spill; update use of reg_restore_code.
2074 (insert_save): Likewise.
2075 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2076 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
2077 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
2079 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2081 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
2082 noce_try_store_flag_inc, noce_try_store_flag_mask,
2083 noce_try_cmove_arith):
2084 Use reversed_comparison_code instead of reverse_comparison and
2085 can_reverse_comparison_p.
2087 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
2089 * jump.c (reversed_comparison_code_parts): Allow reversal of
2090 unordered compares in -ffast-math mode; reverse ordered compares
2091 for FP even w/o -ffast-math.
2093 2001-02-27 Richard Henderson <rth@redhat.com>
2095 * print-rtl.c (print_rtx) [i]: Don't print field five on
2096 NOTEs other than NOTE_INSN_DELETED_LABEL.
2098 2001-02-27 Zack Weinberg <zackw@stanford.edu>
2100 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
2101 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
2103 2001-02-27 Diego Novillo <dnovillo@redhat.com>
2105 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
2106 even if walk_subtrees is 0.
2107 * c-semantics.c (prune_unused_decls): Return a non-null value to
2108 stop traversing the tree chain.
2110 2001-02-27 DJ Delorie <dj@redhat.com>
2112 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
2113 register, *then* define it as the new CFA.
2115 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
2117 * pa.c (override_options): Promote -fpic to -fPIC.
2118 (legitimize_pic_address): Simplify due to removal of
2119 small PIC as a code generation option.
2120 (secondary_reload_class): Similarly.
2121 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
2122 (PRINT_OPERAND_ADDRESS): Similarly.
2123 * pa.md (various patterns): Similarly.
2124 (small pic lo_sum pattern): Remove.
2126 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
2129 * md.texi (min, max): Document
2131 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
2133 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
2134 TARGET_PARTIAL_REG_DEPENDENCY.
2135 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
2137 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
2139 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
2141 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
2143 * mips.c (mips_make_temp_file): Fix thinko in last change.
2145 2001-02-26 Jason Eckhardt <jle@redhat.com>
2147 * combine.c (known_cond): Do not reverse the condition when
2148 SMAX/UMAX is being considered and the condition is for equality
2151 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
2153 2001-02-26 Philip Blundell <philb@gnu.org>
2155 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2157 * config/arm/linux-elf.h: Remove historical relics related to
2158 above configurations.
2159 * config/arm/linux-oldld.h: Delete.
2160 * config/arm/linux-elf26.h: Delete.
2162 2001-02-26 Jason Merrill <jason@redhat.com>
2164 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
2166 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
2167 recognize a tentative definition. Lose obsolete code.
2169 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
2170 variables unless necessary, either.
2172 2001-02-25 Richard Henderson <rth@redhat.com>
2174 * ifcvt.c (struct noce_if_info): Add test_bb.
2175 (noce_get_alt_condition): New.
2176 (noce_try_minmax, noce_try_abs): New.
2177 (noce_operand_ok): New.
2178 (noce_process_if_block): Use them.
2179 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
2181 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
2183 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
2186 2001-02-25 Zack Weinberg <zackw@stanford.edu>
2188 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
2189 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
2191 (mips_asm_file_end): Free temp_filename here.
2193 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2195 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2196 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2198 * config/i386/i386.md (movstrsi): Handle FAIL case.
2200 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
2202 * cppinit.c (builtin_array): Update.
2203 (init_builtins): Flag builtins to warn if redefined or
2204 undefined. Define __GXX_WEAK as a normal macro.
2205 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2206 * cpplib.h (NODE_WARN): New flag.
2207 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2208 Handle __STDC__ as a builtin only on Solaris.
2209 (warn_of_redefinition): Renamed from check_macro_definition.
2210 Reverse sense of test. Always warn if NODE_WARN.
2211 (_cpp_create_definition): Use warn_of_redefinition. Flag
2212 any macro beginning with "__STDC_" to require a mandatory
2213 warning if redefined or undefined.
2215 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2217 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
2218 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
2219 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
2220 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
2221 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
2222 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
2223 Don't define any of:
2224 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
2225 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
2226 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
2227 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
2228 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
2230 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
2231 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
2234 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
2235 Delete now-empty file.
2237 * alpha/vms.h: Define NEED_ATEXIT here...
2238 * alpha/xm-vms.h: ...not here.
2240 * i386/cygwin.h: Don't define PARAMS.
2241 * mips/mips.c: Don't prototype mktemp. Don't define
2242 P_tmpdir. Use make_temp_file to create temporary files.
2243 Don't be clever and delete temporary files early.
2244 * config.gcc: Drop references to deleted files. Don't define
2246 * gcc.texi: Don't mention USE_PROTOTYPES.
2248 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2250 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2251 (ix86_set_move_mem_attrs_1): Likewise.
2252 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2253 * config/i386/i386.md (movstrsi): Call it.
2255 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2257 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
2258 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
2259 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
2260 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
2262 (i750a-*-*): Error here if hosting on i750a.
2263 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
2265 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
2266 Remove (empty modulo comments).
2268 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
2269 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
2270 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
2271 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
2272 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
2273 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
2275 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
2276 Remove reference to winnt.h in comment.
2277 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
2279 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2281 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2282 used to set another biv.
2284 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2286 * tree.h (BLOCK_DEAD): New macro.
2287 (struct tree_block): New flag, dead_flag.
2288 * print-tree.c (print_node, case 'b'): Print missing fields.
2289 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
2290 * function.c (identify_blocks): Enable test for misplaced notes.
2291 (all_blocks): Skip BLOCK_DEAD blocks.
2292 * integrate.c (integrate_decl_tree): Likewise.
2294 * errors.c (internal_error, trim_filename): New functions.
2295 (fancy_abort): Call internal_error.
2296 * errors.h (internal_error, trim_filename): New declarations.
2298 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2300 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2302 (EXTRA_CONSTRAINT): Formatting changes.
2304 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2306 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2308 2001-02-23 Per Bothner <per@bothner.com>
2310 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2311 so they can be called from java/jvspec.c.
2312 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2314 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
2316 * i386.c (ix86_frame): New structure.
2317 (ix86_compute_frame_size): Kill.
2318 (ix86_compute_frame_layout): New.
2319 (ix86_save_reg): New.
2320 (ix86_can_use_return_insn_p): Use frame layout stuff.
2321 (ix86_expand_prologue): Likewise.
2322 (ix86_expand_epilogue): Likewise.
2323 (ix86_initial_elimination_offset): Likewise.
2324 (ix86_nsaved_regs): Use ix86_save_reg.
2325 (ix86_emit_save_regs): Likewise.
2327 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
2329 * flow.c (find_sub_basic_blocks): New function.
2330 (split_block): Be ready for basic block introduced by CODE_LABEL.
2331 (commit_one_edge_insertion): Call find_sub_basic_block.
2333 * flow.c (make_edges): Add edge from entry for blocks starting with
2334 label having ALTERNATE_NAME
2336 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
2338 * function.c (epilogue_done): Be ready for first basic block not
2339 containing PROLOGUE_END note.
2340 (reposition_prologue_and_epilogue_notes): Avoid placing
2341 PROLOGUE_END note between BASIC_BLOCK.
2343 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
2345 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
2347 2001-02-21 DJ Delorie <dj@redhat.com>
2349 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
2350 check for current_function_has_nonlocal_goto from 1999-11-12.
2352 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2354 * diagnostic.c (trim_filename): No longer static.
2355 * toplev.h (trim_filename): Declare.
2356 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2357 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2358 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2359 (rtvec_check_failed_bounds): Likewise.
2360 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2362 * convert.c (convert_to_integer): Don't do unsigned unless result or
2363 both inputs are unsigned.
2365 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2368 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2370 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2372 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2374 * Makefile.in (resource.o): Add params.h dependence.
2375 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2376 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2377 * resource.c: Add dependence on params.h.
2378 (current_live_regs): Fix explanatory comment.
2379 (find_basic_block): Add new parameter to permit limiting search
2381 (mark_target_live_regs): Add new argument to find_basic_block call.
2382 (incr_ticks_for_insn): Likewise.
2384 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2386 * diagnostic.c (output_to_stream): Rename to
2387 output_buffer_to_stream. Loses the stream parameter.
2388 (init_output_buffer): Set diagnosic_buffer's stream.
2389 (flush_diagnostic_buffer): Adjust.
2390 (default_print_error_function): Likewise.
2391 (finish_diagnostic): Likewise.
2392 (verbatim): Likewise.
2394 * diagnostic.h (struct output_buffer): Add `stream' field.
2395 (output_buffer_attached_stream): New macro.
2397 2001-02-23 Jakub Jelinek <jakub@redhat.com>
2399 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
2400 check if either operand is divisible by C.
2401 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
2402 If type is signed, consider negative numbers as well.
2404 2001-02-22 Richard Henderson <rth@redhat.com>
2406 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
2407 reach .text instead of gp-relative relocs.
2408 * config/ia64/crtend.asm (.init): Likewise.
2410 2001-02-22 Andreas Jaeger <aj@suse.de>
2412 * extend.texi (C++ Attributes): Fix typo.
2414 2001-02-21 David Mosberger <davidm@hpl.hp.com>
2416 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
2417 functions, drop current_function_args_info.words test.
2418 (ia64_compute_frame_size): Mark syscall_linkage functions as
2419 using eight input registers.
2421 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
2422 Bruce Korb <bkorb@gnu.org>
2424 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
2425 * fixinc/README: Document how to convert sed substitutions
2426 to format style c_fix-es.
2427 * fixinc/fixincl.x: regen
2429 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
2431 * gcc.c: Add comment explaining how to add a command-line option.
2432 Add title to specs language comment.
2434 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2436 * gcc.c (cc1_options): Add "-param".
2437 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
2438 (option_map): Likewise.
2439 * toplev.c (display_help): Add entry for "--param".
2440 (independent_decode_option): Fix typographical error.
2442 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2443 Bernd Schmidt <bernds@redhat.com>
2444 Jan Hubicka <jh@suse.cz>
2446 * i386.c (function_arg_advance): Pass SSE arguments in registers.
2447 (function_arg): Likewise.
2449 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
2451 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2453 2001-02-21 Kazu Hirata <kazu@hxi.com>
2455 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2459 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
2461 * flow.c (init_propagate_block_info): Canon address and use single_set
2462 for killing dead memory stores.
2464 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2466 * Makefile.in (reorg.o): Add params.h dependence.
2467 * params.def: Fix typographical error in comment.
2468 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2469 * params.h: Modify introductory comment.
2470 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2471 * reorg.c: Add dependence on params.h.
2472 (redundant_insn): Add parameterized throttle for search.
2473 (fill_simple_delay_slots): Add a comment explaining a variable.
2474 Move conditional out of loop, simplifying code.
2475 (fill_eager_delay_slots): Fix typographical error in comment.
2477 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
2479 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
2481 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
2482 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
2484 2001-02-21 Jason Merrill <jason@redhat.com>
2486 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
2487 (struct tree_decl): Add uninlinable bitfield.
2488 * c-decl.c (duplicate_decls): Set it.
2489 * integrate.c (function_cannot_inline_p): Check it.
2491 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
2492 DW_AT_MIPS_linkage_name to abstract methods.
2493 (dwarf2out_abstract_function): Emit class context before calling
2494 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
2495 (gen_subprogram_die): Remove obsolete code.
2496 (gen_member_die): Don't include clones in the member list.
2497 (gen_decl_die): Emit abstract info for clone origin.
2498 * dwarfout.c (output_type): Don't include clones in the member list.
2499 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
2500 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
2501 DECL_ABSTRACT on a function that already has it set.
2503 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
2504 (get_subprogram_die): Pass it in.
2506 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
2508 * flow.c (mark_set_1): Make not_dead unsigned long. For
2509 non-pseudos, use it as a bitmask of the hard regs that
2512 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
2514 * cppfiles.c: Update comments.
2515 (_cpp_read_file): Don't check for NULL filenames any more.
2516 * cppinit.c (cpp_start_read): Don't do canonicalization of
2517 in_fname and out_fname. Use the passed file name exclusively.
2518 (_cpp_handle_options): Don't treat "-" as a command line option,
2519 but as a normal filename.
2520 (_cpp_post_options): Canonicalize in_fname and out_fname.
2521 * cppmain.c (printer_init): Don't check out_fname for NULL.
2522 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2523 (init_c_lex): Update, and use "" to represent stdin to CPP.
2526 2001-02-20 Will Cohen <wcohen@redhat.com>
2528 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2529 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2530 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2533 2001-02-20 Stan Shebs <shebs@apple.com>
2535 * config/rs6000/rs6000.c (output_cbranch): Output branches
2536 on separate lines instead of using ';' to separate.
2538 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
2540 * cppinit.c (set_lang): Move builtin handling to...
2541 (init_builtins): ...here.
2542 (_cpp_create_reader): Move call to set_lang.
2544 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2546 * stmt.c (expand_return): If an attempt is made to return the
2547 error_mar_node, treat the return like a return without a value.
2549 2001-02-19 Zack Weinberg <zackw@stanford.edu>
2551 * sibcall.c (skip_copy_to_return_value): Call
2552 identify_call_return_value here, and return orig_insn if it
2553 returns zero. Hardret and softret arguments now unnecessary.
2554 (call_ends_block_p): Don't call identify_call_return_value here.
2556 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2558 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2559 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2561 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
2563 * pa.c (move_operand): Accept code to load the address of a
2564 symbol out of the DLT as a valid move operand.
2565 (print_operand, case 'A'): New to handle generating a DLT
2566 reference for a LO_SUM expression.
2567 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2568 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2570 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2572 * README, cpp.texi, gcc.texi, version.c: Update version number to
2574 * cpp.1, gcov.1, gcc.1: Regenerate.
2576 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2578 * cppfiles.c (stack_include_file): Generate dependencies
2579 here, and manage include_count here too.
2580 (PRINT_THIS_DEP): Delete.
2581 (_cpp_execute_include): Do not generate dependencies here,
2582 apart from the case of a missing header. Do not manage
2584 (_cpp_read_file): Leave dependency generation to
2587 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2589 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2590 target_cpu_default. Remove dead assignment to
2593 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2595 * regclass.c (contains_reg_of_mode): Make global.
2596 (init_reg_sets): Remove contains_reg_of_mode; take into account
2597 CLASS_MAX_NREGS when looking for the proper mode.
2598 (dump_regclass): Dump only classes considered for the pseudo.
2599 (regclass): Use contains_reg_of_mode.
2601 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2603 * gcc.c (do_spec_1): 'n' for printing notices.
2604 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2606 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2608 * reg-stack.c (next_flags_user): Use current_block->end
2609 (swap_rtx_condition): Look for next user if flags don't die;
2610 give up on CALL_INSNs; use current_block->end.
2612 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2614 * sibcall.c (call_ends_block_p): New function.
2615 (optimize_sibling_and_tail_recursive_call): Use it.
2617 2001-02-18 Kazu Hirata <kazu@hxi.com>
2619 * config/h8300/h8300.md: Update copyright.
2620 (andsi3): Do not output an extra newline character.
2622 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2624 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2625 FNDECL may be unused.
2627 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2628 follow jumps after first run.
2629 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2630 it doesn't change any jumps.
2632 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2634 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2635 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2636 (mostlyclean): Corresponding changes.
2637 * rtlanal.c (hard-reg-set.h): Include.
2638 (rtx_unstable_p): Do not treat the argument pointer specially
2639 if it is not a fixed register.
2640 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2642 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2644 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2645 against last real insn in basic block.
2646 Rework to avoid gotos.
2648 * Makefile.in (gcse.o): Now includes ggc.h.
2649 * gcse.c: Include ggc.h.
2650 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2651 (try_replace_reg): Remove warning of uninitialize variable.
2652 (process_insert_insn): Call invalid_insn_p to validate insn.
2653 * recog.c (insn_invalid_p): Now global.
2654 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2655 * recog.h (insn_invalid_p): New declaration.
2657 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2659 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2660 assignments from FP constants since 'Y' output code can't handle it.
2661 (eligible_for_sibcall_delay): Likewise.
2663 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2664 Call fancy_abort directly, passing args.
2665 (print_rtl_and_abort): Now a macro, like fancy_abort.
2667 * final.c (output_operand_lossage): Use internal_error, not error.
2669 2001-02-18 Shane Nay <shane@agendacomputing.com>
2671 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2672 structure shift insns.
2674 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2676 * invoke.texi (-fsquangle): Remove documentation.
2677 (-fname-mangling-version): Likewise.
2679 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2681 * optabs.c (expand_abs): Remove reference to
2682 HAVE_contitional_arithmetic.
2683 * combine.c (simplify_set): Likewise.
2685 2001-02-18 Richard Henderson <rth@redhat.com>
2687 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2690 2001-02-18 Richard Henderson <rth@redhat.com>
2692 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2694 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2696 * reload1.c (reload_cse_simplify_set): Fix typo.
2698 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2700 * diagnostic.c (_fatal_insn): Decrement errorcount.
2702 * invoke.texi (-I): Add note avoiding use for system header files.
2704 * rtl.h (add_clobbers): Remove duplicate declaration.
2705 * recog.h (added_clobbers_hard_reg_p): New declaration.
2706 * genemit.c (struct clobber_pat): New field has_hard_reg.
2707 (gen_insn): Record if added clobbers clobber hard reg.
2708 (gen_split): Avoid unused warning if number of operands is 0.
2709 (output_added_clobbers_hard_reg_p): New function.
2712 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2714 * pa.c (hppa_expand_prologue): Simplify code storing return
2715 pointer. For large (>=8k) frames with a post_store, adjust stack
2716 pointer by 8k-64 first rather than by 64. When testing with
2717 VAL_14_BITS_P, always use the actual value rather than the value
2718 negated. Add blockage to prevent scheduling of spills before
2719 stack frame has been created.
2720 (hppa_expand_epilogue): Simplify code loading return pointer.
2721 Allow a slightly larger range for merge_sp_adjust_with_load case.
2722 When testing with VAL_14_BITS_P, always use the actual value.
2724 * pa.c (pa_adjust_insn_length): Check that block move
2725 pattern is a set before looking at operands.
2727 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2729 * fold-const.c (fold_binary_op_with_conditional_arg): New
2730 function, split out from ...
2732 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2733 conditional arms that throw exceptions.
2735 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2738 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2740 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2741 define HAVE_DECL_* to 1 to mask potential backup declarations.
2742 * configure: Regenerated.
2744 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2746 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2748 2001-02-17 Richard Henderson <rth@redhat.com>
2750 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2751 when replacing a memory load with a register.
2753 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2754 Jan Hubicka <jh@suse.cz>
2756 * recog.c (validate_replace_src_1): New.
2757 (validate_replace_src_data): Likewise.
2758 (validate_replace_src): Use note_uses.
2759 * rtl.h (note_uses): Declare.
2760 * rtlanal.c (note_uses): New.
2762 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2764 * reg-stack.c (stack_def): Make field reg unsigned.
2765 (remove_regno_note): Unsignetize parameter.
2767 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2769 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2770 shladd_operand() call.
2772 2001-02-16 Bruce Korb <bkorb@gnu.org>
2773 Rodney Brown <RodneyBrown@mynd.com>
2775 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2776 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2777 machine restrictions
2778 * fixinc/fixincl.x: regen
2780 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2782 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2784 (hash_scan_insn): Clean up calls to hash_scan_set.
2785 (compute_kill_rd): REGNO now unsigned.
2786 (try_replace_reg): Rework to use simplify_replace_rtx.
2787 (cprop_jump, cprop_cc0_jump): Likewise.
2788 (cprop_insn): Call find_reg_equal_equiv_note.
2789 Reflect changes to cprop_jump and cprop_cc0_jump.
2791 * recog.c (validate_replace_src): Replace in operands of
2792 ZERO_EXTRACT in SET_DEST.
2794 * cse.c (new_label_ref): New variable.
2795 (insert): Set it instead of recorded_label_ref.
2796 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2797 CODE_LABEL for this function, and not already in REG_LABEL note.
2799 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2801 * resource.c (mark_referenced_resources): Fix typo in introductory
2803 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2806 2001-02-16 Jason Merrill <jason@redhat.com>
2808 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2810 (gen_subprogram_die): Don't abort on seeing a second definition if
2811 the previous one was abstract. Don't replace an abstract instance
2812 in the lookup table.
2814 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2815 gen_abstract_function.
2816 * dwarf2out.h: Declare it.
2817 * toplev.c (note_outlining_of_inline_function): New fn.
2818 * toplev.h: Declare it.
2819 * integrate.c (output_inline_function): Call it.
2820 * c-decl.c (duplicate_decls): Call it when redefining an extern
2821 inline. Don't inline the new defn.
2823 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2825 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2827 * .gdbinit: Rename to gdbinit.in.
2828 * gdbinit.in: New file,
2829 * configure.in: Generate .gdbinit from gdbinit.in.
2830 * configure: Regenerated.
2831 * Makefile.in (distclean): Always remove .gdbinit.
2833 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2835 * objc/objc-act.c (start_class): Register implemented_classes with
2838 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2840 * cppfiles.c (_cpp_make_system_header): Generate a file
2843 2001-02-15 Jim Meyering <meyering@lucent.com>
2845 * Makefile.in (install-common): Don't depend on installdirs here.
2846 Instead, make each of the lang.install-common targets (e.g.,
2847 c++.install-common in cp/Make-lang.in) depend on it.
2848 (install-driver): Depend on installdirs.
2850 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2852 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2854 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2857 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2859 * invoke.texi (--param): Document.
2861 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2863 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2865 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2867 * i386.md (extendsfdf2_2): Fix constraints.
2869 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2871 * i386.md (fop_df_3 splitter): Fix operand number.
2873 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2875 * invoke.texi (-mreg-alloc): Nuke.
2876 * i386.c (ix86_reg_alloc_order, regs_allocated,
2877 order_regs_for_local_alloc): Nuke.
2878 (override_options): Kill reg_alloc code.
2879 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2880 (REG_ALLOC_ORDER): SSE goes before I387.
2881 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2882 (ix86_reg_alloc_order): Likewise.
2883 * i386-protos.h (ix86_reg_alloc_order): Kill.
2885 2001-02-14 Richard Henderson <rth@redhat.com>
2887 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2889 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2891 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2893 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2895 * i386-protos.h (ix86_memory_move_cost): Move offline.
2896 * i386.c (ix86_register_move_cost): Compute properly cost of
2897 SSE, MMX and i387 instructions.
2898 (*_cost): Add costs of SSE/MMX moves.
2899 (ix86_memory_move_cost): Move offline from ....; Likewise.
2900 * i386.h (MEMORY_MOVE_COST): .... here;
2901 (struct processor costs): Add new fields to represent costs
2904 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2906 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2907 move_cost together with Matt Kraai's fix.
2909 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2911 * Makefile.in (OBJS): Add params.o.
2913 2001-02-14 Richard Henderson <rth@redhat.com>
2914 DJ Delorie <dj@redhat.com>
2916 * jump.c (jump_optimize_1): When we delete a conditional jump
2917 preceeding a non-conditional jump to effectively the same place,
2918 make sure that the combined jump skips any clobber insns between
2921 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2923 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2925 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2927 * Makefile.in (toplev.o): Depend on params.h.
2928 (intergate.o): Likewise.
2929 (params.o): New target.
2930 * flags.h (inline_max_insns): Remove.
2931 * integrate.c: Include params.h.
2932 Use MAX_INLINE_INSNS instead of inline_max_insns.
2933 * params.c: New file.
2934 * params.h: Likewise.
2935 * params.def: Likewise.
2936 * toplev.c: Include params.h.
2937 (lang_independent_params): New variable.
2938 (decode_f_option): Use the param machinery instead of setting
2940 (independent_decode_option): Handle "--param name=value".
2941 (main): Register language-independent parameters.
2943 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2945 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2947 2001-02-14 Richard Henderson <rth@redhat.com>
2949 * regclass.c (init_reg_sets_1): Revert last two changes.
2951 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2953 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2954 (variable_size): Call put_pending_size.
2955 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2956 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2957 sizes list, put newly created SAVE_EXPR there as well.
2959 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2961 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2962 (errata_find_address_regs): load_group has only 2 entries.
2963 (errata_emit_nops): Likewise. shladd is not problematic.
2964 Clear last_group if nop was emitted.
2965 (fixup_errata): load_group has only 2 entries.
2968 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2970 * c-lex.c (lex_number): Only warn traditionally for U suffix
2971 outside system macros.
2972 * cppexp.c (parse_number): Similarly.
2973 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2974 * cppmacro.c (struct cpp_macro): New member node.
2975 (parse_args): Only warn about missing rest args if not
2977 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2978 (cpp_sys_objmacro_p): New.
2979 (_cpp_create_definition): Store the node with the macro defn.
2980 Remember if the macro is defined in a system header.
2982 2001-02-13 DJ Delorie <dj@redhat.com>
2984 * configure.in (check_languages): determine languages to check
2985 * Makefile.in (check-c++): alias for check-g++
2986 (check-f77): alias for check-g77
2987 (CHECK_TARGETS): depend on configured languages
2989 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2991 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2992 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2993 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2994 (sqrtextendsfdf2): Disable for SSE2.
2996 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2998 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2999 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
3000 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
3001 (sqrtextendsfdf2): Disable for SSE2.
3003 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
3005 * i386.md (movsfcc_1): Support integer cmove instruction.
3006 (movdfcc_1): Likewise; new splitter.
3008 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
3010 * i386.c (output_fp_compare): Support SSE.
3011 (prepare_fp_compare_args): SSE comparisons always support memory.
3012 * i386.h (TARGET_CMOVE): SSE imply cmove.
3013 * i386.md (cmp?f2): Enable for SSE too.
3014 (cmpfp_i*): Support SSE.
3016 (cmpfp_i_sse_only): New.
3017 (s*, b* fp expanters): Enable for SSE too.
3018 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
3021 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
3023 * regclass.c (init_reg_sets_1): Silence warning.
3025 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
3027 * i386.md (sqrt?f2): Change to expander.
3028 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
3030 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3032 * rtlanal.c (find_reg_equal_equiv_note): New function.
3033 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
3034 (simplify_gen_relational, simplify_replace_rtx): Likewise.
3035 * rtl.h: Add declarations for above functions.
3037 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
3039 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
3041 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
3042 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
3043 * flow.c (mark_regs_live_at_end): Likewise.
3044 (calculate_global_regs_live): Likewise.
3045 * gcse.c (compute_hash_table): Likewise.
3046 (compute_kill_rd): Likewise.
3047 * resource.c (mark_target_live_regs): Likewise.
3048 * rtl.h (INVALID_REGNUM): New macro.
3050 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
3052 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
3054 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
3056 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
3059 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
3061 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
3063 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
3064 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
3065 (fop_sf_1_sse, fop_df_1_sse): New patterns
3066 (fop_*): Disable float_extend and float patterns for SSE compilation.
3067 * i386.c (output_387_binary_op): Support SSE.
3069 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
3071 * i386.md (dummy_extendsfdf2): Support SSE2
3072 (extendsfdf2): Enable if 80387 or SSE2.
3073 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
3074 and no MIX_I387_SSE2
3075 (extendsfdf2_1_sse_only): New pattern.
3076 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
3078 (truncdfsf2_1): Support SSE.
3079 (truncdfsf2_2): Support SSE.
3080 (truncdfsf2_2_1_sse): New pattern.
3081 (fixtruncsfsi2): Always use SSE if available.
3082 (fix_truncsfsi_sse): New pattern.
3083 (fix_truncdfsi_sse): New pattern.
3084 (floatsis?f2): Support SSE.
3085 (floatsidf2_i387): New pattern.
3086 (floatsidf2_sse): Likewise.
3088 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3090 * configure.in: Use "have_gnat" variable, not "gnat".
3091 * configure: Regenerated.
3093 * config/sparc/sparc.c (function_value): Treat all non-record
3094 aggregate types like used to treat UNION_TYPE.
3096 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
3098 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
3099 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
3101 (MASK_MIX_SSE_I387): New.
3102 (TARGET_SSE): SSE2 imply SSE.
3103 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
3104 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
3105 (enum reg_class): Add new classes.
3106 (REG_CLASS_NAMES): Likewise.
3107 (REG_CLASS_CONTENTS): Likewise.
3108 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
3109 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
3110 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
3111 (CLASS_MAX_NREGS): Use new macros.
3112 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
3113 * i386.md (pushsf, movsf): Support SSE.
3114 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
3115 splitters to use ANY_FP_REGNO_P.
3116 (movdf_nointeger, movdf_integer): Likewise.
3118 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3120 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3121 (try_combine): Use it.
3123 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
3125 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
3126 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
3127 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
3128 (REGISTER_MOVE_COST): Likewise.
3129 * i386-protos.h (ix86_secondary_memory_needed,
3130 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
3131 * i386.c (ix86_secondary_memory_needed,
3132 ix86_preferred_reload_class, ix86_register_move_cost): New function.
3134 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
3136 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
3137 (HARD_REGNO_MODE_OK): Move offline to ....
3138 * i386.c (ix86_hard_regno_mode_ok) ... here;
3139 refuse all incorrect modes.
3140 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
3142 2001-02-13 Richard Henderson <rth@redhat.com>
3144 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3145 entire operator; replicate that and match_dup the operands.
3146 (cmp_ccx_arith_op_set): Likewise.
3147 (cmp_cc_arith_op_not_set): Likewise.
3148 (cmp_ccx_arith_op_not_set): Likewise.
3150 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3152 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
3154 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3156 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
3157 (TARGET_NO_BITFIELD_WORD): New macro.
3158 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
3159 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
3161 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3163 * cselib.c: New file, from simplify-rtx.c.
3164 * simplify-rtx.c: Remove cselib parts.
3165 * Makefile.in: Add cselib.o.
3167 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3169 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
3170 (setup_incoming_varargs): Remove warning.
3172 * config/rs6000/rs6000.c (validate_condition_mode): When
3173 flag_fast_math, allow floating-point conditionals to be reversed.
3174 (rs6000_generate_compare): When flag_fast_math, don't generate
3175 cror operations for FP conditionals.
3177 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
3179 (ASM_SPEC): Likewise.
3180 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
3181 (CC1_SPEC): Likewise.
3182 (LINK_TARGET_SPEC): Likewise.
3183 (CPP_ENDIAN_SPEC): Likewise.
3184 * Makefile.in (check-consistency): New target.
3186 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
3188 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
3189 "return type defaults" warning for functions with return type
3191 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
3192 function declarations by default rather than only when pedantic.
3194 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
3196 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3199 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3201 * extend.texi (Deprecated): Deprecate new initializer lists.
3203 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3205 * mkdeps.c (deps_add_default_target): Robustify. Add
3206 basename component only.
3207 * cpp.texi (-M): Describe how default target is generated.
3208 * invoke.texi (-M): Likewise.
3210 2001-02-12 Kazu Hirata <kazu@hxi.com>
3212 * toplev.c (push_float_handler): Remove.
3213 (pop_float_handler): Remove.
3214 * toplev.h: Remove prototypes for the above functions.
3216 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3218 * c-common.c (constant_fits_type_p): New function.
3219 (convert_and_check): Use it.
3221 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3223 * Makefile.in (GXX_ABI_FLAG): Don't define.
3224 * configure.in (--enable-new-gxx-abi): Remove option.
3225 * config.in: Regenerated.
3226 * configure: Likewise.
3228 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3230 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3232 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3233 regular basic block, and arrange for all edges into it to switch
3236 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3238 * Makefile.in (distclean): Do not remove .gdbinit.
3240 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3242 * Makefile.in (gcc.o): Fix typos.
3243 (protize.o): Likewise.
3244 (unprotoize.o): Likewise.
3246 2001-02-11 Richard Henderson <rth@redhat.com>
3248 * tree.c (build1): Check for null operand in last change.
3250 2001-02-11 Richard Henderson <rth@redhat.com>
3252 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3253 (fold): Don't assume a constant isn't foldable.
3254 * tree.c (build): Set TREE_CONSTANT for an expression with no
3255 side-effects and constant operands.
3258 2001-02-10 Richard Henderson <rth@redhat.com>
3260 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3262 2001-02-10 Anthony Green <green@redhat.com>
3264 * cpp.texi (Standard Predefined): Add documentation for
3267 * c-common.c (combine_strings): Improve warning message.
3269 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3271 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3273 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3275 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3277 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3280 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3282 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3285 2001-02-09 Nick Clifton <nickc@redhat.com>
3287 * config/arm/arm.md: Change output contraint on post inc
3288 load/store multiple patterns to be a read/write contraint.
3290 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3292 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3293 .o files when using the -M options.
3295 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3296 David Edelsohn <edelsohn@gnu.org>
3298 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3299 handle DImode constants. Use one TOC entry for SImode and smaller
3300 constants, aligned properly.
3302 2001-02-08 Jason Merrill <jason@redhat.com>
3304 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3305 about the SP adjustment for saving the static chain pointer.
3306 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3307 offset when setting a temporary CFA register.
3309 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3311 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3312 powerpc-*-chorusos* .
3313 * config/rs6000/chorus.h : New file.
3314 * config/i386/chorus.h : New file.
3315 * config/sparc/chorus.h : New file.
3316 * config/sparc/t-chorus-elf : New file.
3318 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3320 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3321 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3322 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3323 (__WCHAR_TYPE__): Correct macro name.
3325 2001-02-08 Richard Henderson <rth@redhat.com>
3327 * config/i386/i386.c (ix86_frame_pointer_required): New.
3328 (ix86_setup_frame_addresses): New.
3329 (struct machine_funciton): Add accesses_prev_frame.
3330 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3331 ix86_frame_pointer_required.
3332 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3333 (SETUP_FRAME_ADDRESSES): New.
3334 * config/i386/i386-protos.h: Update.
3335 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3336 from FRAME_POINTER_REQUIRED.
3337 * config/i386/svr3gas.h: Likewise.
3338 * config/i386/sysv3.h: Likewise.
3339 * config/i386/v3gas.h: Likewise.
3341 2001-02-08 Richard Henderson <rth@redhat.com>
3343 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3344 calculation of the number of integer registers required.
3345 (function_arg_record_value): Likewise.
3347 2001-02-08 Jason Merrill <jason@redhat.com>
3349 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3350 two. Print file and line with "confused" message.
3352 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3354 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3356 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3358 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3360 * final.c (cleanup_subreg_operands): The address of a MEM can
3363 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3366 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3368 * gcc.texi (Incompatibilities): Update documentation of
3369 preprocessing numbers.
3371 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3373 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3375 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3377 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3379 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3380 * gcc.c (struct compiler): Add cpp_spec field.
3381 (input_file_compiler): New variable.
3382 (do_spec_1): Allow a particular compiler to handle `%C'
3384 (main): Store the current compiler in input_file_compiler.
3385 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3387 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3389 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3390 * cppinit.c (cpp_create_reader): Initialize them.
3391 (append_include_chain): cxx_aware arg might be unused.
3392 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3393 keywords and give them their phase 7 meaning. Pedwarn about
3394 this unless '__bool_true_false_are_defined' is defined.
3396 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3398 * lcm.c (optimize_mode_switching): Emit mode_set before the
3399 JUMP_INSN of an abnormal edge.
3401 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3403 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3404 a scheduling barrier at the end.
3406 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3408 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3410 * config/sh/sh.md (reload_outsf): Removed.
3411 (movsf_ie): Introduce constraints for FPUL loads and stores.
3412 (reload_insf): Broaden the output constraint.
3414 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3416 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3417 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3419 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3421 * final.c: Revert my previous changes.
3422 * output.h: Make profile_label_no extern.
3423 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3424 for generating label.
3426 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3428 * config/i386/djgpp.h: Add comments about standard paths.
3429 (MD_EXEC_PREFIX): Undefine before defining.
3430 (MD_STARTFILE_PREFIX): New.
3432 2001-01-30 Bruce Korb <bkorb@gnu.org>
3434 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3435 (load_file): do not rely on load_file_data() to close file pointer
3436 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3437 fixinc/inclhack.def(irix_limits_const): add test_text
3439 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3441 * cppexp.c (parse_defined): Improve diagnostics for invalid
3444 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3446 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3448 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3450 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3451 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3452 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3453 (rs6000_output_symbol_ref): New function.
3454 (output_toc): Use VTABLE_NAME_P.
3456 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3458 * print-tree.c (print_node, case PARM_DECL):
3459 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3461 * stor-layout.c (reference_types_internal): New variable.
3462 (internal_reference_types): New function.
3463 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3464 * tree.h (internal_reference_types): New declaration.
3466 * cse.c (find_best_addr): Fix typo in computing cost.
3468 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3470 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3471 and this is the sum of a pointer and a constant, we know the result
3473 (num_sign_bit_copies, case PLUS): Likewise.
3474 * explow.c (convert_memory_address): Remove opposite SUBREG.
3475 * function.c (instantiate_new_reg): New function (from common code).
3476 (instantiate_virtual_regs_1): Call it.
3477 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3478 if pointers sign- or zero-extend.
3479 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3480 If pointers extend unsigned, use inside of SUBREG.
3481 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3483 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3485 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3486 subdir of gcc_gxx_include_dir.
3487 (gcc_gxx_target_include_dir): Remove.
3489 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3491 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3492 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3493 a high-level description.
3495 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3497 * final.c: Move the declaration of profile_label_no to ...
3498 * output.h: ... here.
3499 * function.c (expand_function_start): Call PROFILE_HOOK.
3500 * config/rs6000/aix.h: Define PROFILE_HOOK.
3501 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3502 * config/rs6000/rs6000.c (output_profile_hook): Define.
3503 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3504 output_profile_hook.
3505 tm.texi : Explain new macro PROFILE_HOOK.
3507 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3509 * extend.texi (Extended Asm): Do not say that semicolon is always
3510 a valid line-breaking character for GNU assemblers. Use
3511 newline-tab as the most commonly supported syntax. Use
3512 newline-tab rather than semicolon in multi-insn examples.
3514 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3516 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3518 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3519 David Edelsohn <edelsohn@gnu.org>
3521 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3522 code for AIX, even without flag_pic.
3524 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3526 * c-typeck.c (common_type): push and pop binding level around
3527 calling common_type on function parameters.
3529 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3531 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3533 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3535 * config/mips/mips.c (override_options): Fix typo in last change.
3536 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3537 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3539 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3541 * invoke.texi (-fdump-class-layout): Document.
3542 (-fdump-translation-unit): Use `=' as filename separator.
3544 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3546 * Makefile.in (s-mlib): Don't build multilibs if
3548 (DRIVER_DEFINES): Adjust accordingly.
3550 (protoize.o): Likewise.
3551 (unprotoize.o): Likewise.
3552 * configure.in: Recognize --enable-multilib.
3554 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3556 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3558 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3559 * configure.in: Remove --enable-libstdcxx_v3 support.
3560 * configure: Regenerated.
3562 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3564 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3565 Call abort instead of fatal.
3566 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3567 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3568 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3569 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3570 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3571 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3573 * diagnostic.h (set_internal_error_function): Renamed.
3574 * toplev.h (internal_error): Renamed from fatal.
3575 (pfatal_with_name): Deleted.
3576 (fatal_io_error): Now has printf-style arguments.
3577 * diagnostic.c (pfatal_with_name): Deleted.
3578 (fatal_io_error): Rework to have args in printf-style.
3579 (set_internal_error_function): Renamed from set_fatal_function.
3580 (internal_error): Renamed from fatal.
3581 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3582 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3583 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3584 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3585 * flow.c (verify_flow_info): Likewise.
3586 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3587 * config/mips/mips.c (save_restore_insns): Likewise.
3589 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3590 * flow.c (verify_flow_info): Likewise.
3591 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3592 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3593 (avr_normalize_condition): Likewise.
3594 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3595 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3596 (limit_reload_class, double_reg_to_memory): Likewise.
3597 (print_operand_address, emit_1600_code_shift): Likewise.
3598 (gen_tst_reg, gen_compare_reg): Likewise.
3599 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3600 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3602 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3604 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3605 * objc/objc-act.c (build_ivar_chain): Likewise.
3606 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3608 * graph.c (clean_graph_dump_file): Likewise.
3609 * profile.c (init_branch_prob): Likewise.
3610 * objc/objc-act.c (objc_init): Likewise.
3612 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3613 * config/avr/avr.c (avr_override_options): Likewise.
3614 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3615 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3616 * config/h8300/h8300.c (h8300_init_once): Likewise.
3617 * config/mips/mips.c (override_options): Likewise.
3618 * config/i386/i386.c (override_options): Likewise, rework.
3619 * config/m68k/m68k.c (override_options): Likewise.
3621 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3623 * config/mips/mips.c (print_operand): Likewise.
3624 * hash.c (hash_allocate): Don't check for failure returns from
3625 obstack functions that can't fail.
3626 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3627 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3628 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3629 (get_object_reference): Likewise.
3631 2001-02-04 Nick Clifton <nickc@redhat.com>
3633 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3634 StrongARM1110, 10TDMI, and 1020T.
3636 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3638 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3640 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3642 * config/sh/sh.md (movdf load split): Pass register number to
3643 FP_OR_XD_REGISTER_P.
3645 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3647 * cppinit.c (BC): New macro.
3648 (builtin_array): Add __GXX_WEAK__.
3649 * cpplib.h (builtin_type): Add BT_WEAK.
3650 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3651 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3652 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3654 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3656 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3658 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3660 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3661 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3663 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3665 * cpphash.h: Rename ALIGN _ALIGN.
3666 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3668 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3670 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3671 compilation environment.
3672 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3673 control over location of cygwin includes and libs.
3675 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3677 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3679 2001-02-02 lars brinkhoff <lars@nocrew.org>
3681 * md.texi (Standard Names): remove reference to spur.md.
3683 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3685 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3686 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3687 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3688 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3689 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3691 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3693 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3694 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3695 number before reload.
3696 (c4x_adjust_cost): Return zero before reload.
3697 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3698 split before reload.
3700 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3702 * c4x.c (c4x_hard_regno_rename_ok): New.
3703 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3704 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3706 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3708 * diagnostic.h: Add missing "extern" in all declarations.
3710 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3712 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3713 as for gcc_gxx_include_dir.
3715 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3717 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3719 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3721 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3722 label before alignment to be used as the braf base address.
3723 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3725 (casesi_jump_2): Require at least TARGET_SH2.
3727 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3728 truncation to 32-bit doubles on -m3e and -m4-single-only.
3730 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3732 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3733 the default when building a shared object.
3734 (init_spec): Use it.
3735 * testsuite/lib/g++.exp: Include the directory where libgcc
3736 is located to the LD_LIBRARY_PATH list.
3737 * invoke.texi (-shared-libgcc): Document the cases in which
3738 GCC defaults to using the shared libgcc.
3740 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3742 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3743 unsigned is wide enough.
3745 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3746 (si_to_float): Likewise.
3747 (float_to_si, float_to_usi): Use BITS_PER_SI.
3749 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3751 * dwarf2out.c: Added explanation of abbreviations.
3752 (def_cfa_1): Added comments listing DWARF2 instructions.
3753 (cfa_temp_reg): Removed in favor of cfa_temp.
3754 (cfa_temp_value): Removed in favor of cfa_temp.
3755 (cfa_temp): New global variable.
3756 (dwarf2out_frame_debug_expr): Added extensive introductory
3757 comments explaining the function's transformations. Revised to
3758 use cfa_temp. Added some rtx checking. Generalize IOR case.
3759 (dwarf2out_frame_debug): Revised to use cfa_temp.
3760 (output_aranges): Cast as "unsigned" to avoid warning.
3761 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3762 explain which instructions must be marked.
3764 2001-02-01 Richard Henderson <rth@redhat.com>
3766 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3769 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3771 * config/sh/crt1.asm (main_k): Modified so that start calls
3772 ___setup_argv_and_call_main.
3774 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3776 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3777 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3778 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3779 * cppmacro.c (builtin_macro): Set builtin flags here.
3780 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3781 (replace_args): Clarify intent.
3782 (cpp_get_token): Macro expansion tokens get the saved flags.
3784 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3787 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3789 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3792 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3794 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3795 returns Pmode pseudo, but we need ptr_mode.
3796 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3797 Remove bogus conversions; use HOST_WIDE_INT for size.
3798 Don't use TARGET if wrong mode.
3800 * config/i386/i386.c (ix86_compute_frame_size): Allow
3801 stack_alignment_needed to be non-default even if size is zero.
3803 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3805 * (hppa_init_pic_save): Emit the pic offset table
3806 reg save after last_parm_insn.
3807 * pa.c (hppa_init_pic_save): New function.
3808 * pa.h (hppa_init_pic_save): Declare.
3809 * pa.md (call, call_value, sibcall, sibcall_value): Use
3810 the above instead of duplicated code.
3812 * pa.c (hppa_encode_label): Correct size of alloca buffer
3813 so we don't overrun it. Correct leading `*' case.
3814 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3815 need to handle `*@'.
3816 (FUNCTION_NAME_P): Likewise.
3818 2001-01-31 Richard Henderson <rth@redhat.com>
3820 * config.gcc (alpha-osf5): Use float-i128.h.
3822 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3823 * config/float-i32.h: Likewise.
3824 * config/float-i64.h: Likewise.
3825 * config/float-sh.h: Likewise.
3826 * config/float-sparc.h: Likewise.
3828 2001-01-31 DJ Delorie <dj@redhat.com>
3830 * expmed.c (extract_bit_field): allow non-integral modes if we
3831 want to extract a whole register from itself.
3833 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3835 * c-typeck.c (set_init_index): If first is equal to last, assume as
3836 if it was not a range at all.
3838 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3840 * config/fp-bit.c: Include tm.h.
3841 (float_to_si): Don't assume SImode is 32-bits wide.
3842 (float_to_usi): Likewise.
3844 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3846 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3848 (typename): Call pending_xref_error after parsing typed_typespecs.
3849 * c-decl.c (lookup_tag): Give error immediately rather than
3850 leaving it pending if the tag of the wrong type is in the same
3852 (xref_tag): Don't pedwarn for forward declarations of enum types
3854 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3857 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3859 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3861 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3863 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3864 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3866 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3868 * cpphash.h (struct cpp_reader): New saved_flags.
3869 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3870 to avoid a paste after a pasted token.
3872 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3874 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3875 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3876 Wtype_MIN instead of LONG_MIN.
3878 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3880 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3882 * fixinc/fixincl.x: Regenerated.
3883 * fixinc/inclhack.def (irix_limits_const): New definition to
3884 convert "const" to "__const" in limits.h.
3886 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3888 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3890 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3892 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3893 when register dies in the insn.
3895 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3897 * diagnostic.c (fatal): Fix word wrap.
3899 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3901 * combine.c (try_combine): Fix SUBREG setting for
3902 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3904 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3906 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3909 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3911 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3913 * toplev.c (decode_W_option): Update warn_larger_than
3914 unconditionally for each processed switch.
3916 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3918 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3920 (hppa_expand_prologue): Delete code to save pic offset table register
3921 in the function prologue.
3922 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3923 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3924 table register at the beginning of the function after the prologue.
3926 2001-01-29 lars brinkhoff <lars@nocrew.org>
3928 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3930 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3931 Jeff Law <law@redhat.com>
3933 * pa.md (return): Revise comment for trivial return.
3934 (return_internal): Non-trivial return pattern for non-PIC code.
3935 (return_internal_pic): Non-trivial return pattern for PIC code.
3936 It uses the PIC register to ensure it is restored after
3938 (epilogue): Generate appropriate return for PIC and non-PIC code.
3940 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3942 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3944 2001-01-29 DJ Delorie <dj@redhat.com>
3946 * combine.c (if_then_else_cond): Pass the correct mode to
3947 operand_subword() for constants.
3949 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3951 * config/i386/cygwin.h: Add w32api to include search. Search different
3952 directories in a cross-build environment.
3954 2001-11-29 Tim Josling <tej@melbpc.org.au>
3956 * tree.h (TYPE_STUB_DECL): Add documentation.
3958 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3960 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3961 (sdbout_field_types): Likwise. Fix use of host_integerp.
3963 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3965 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3968 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3970 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3971 to use flag_gnu_linker.
3973 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3975 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3976 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3978 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3980 * tree.c, tree.h (build_parse_node): Remove; was identical to
3982 * c-lang.c (start_cdtor), objc/objc-act.c
3983 (build_module_descriptor): Use build_nt instead of
3986 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3988 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3989 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3990 not have any upper bits set.
3992 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3994 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3996 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3998 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
4000 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
4002 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
4003 (integer_minus_one_node): Define.
4005 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
4007 * Makefile.in (bootstrap2-lean): Fix typo.
4009 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
4011 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
4012 : Don't set fe_value.
4013 * cpplib.h (AVOID_LPASTE): New flag.
4014 (struct cpp_hashnode): Remove fe_value.
4015 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
4016 * cppmacro.c (builtin_macro): Don't set flags here.
4017 (replace_args): Set AVOID_LPASTE flag on first token of an
4018 argument, and the token following it.
4019 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
4020 macro expansion, and on the token following it. Do it for
4022 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
4024 2001-01-27 Richard Henderson <rth@redhat.com>
4026 * config/alpha/t-ieee: Remove multilibbing.
4027 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
4029 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4031 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
4033 * Makefile.in: Remove all dependencies on defaults.h.
4034 * builtins.c: Don't include defaults.h.
4035 * c-common.c: Likewise.
4036 * c-decl.c: Likewise.
4037 * c-pragma.c: Likewise.
4038 * c-typeck.c: Likewise.
4039 * combine.c: Likewise.
4041 * frame-ia64.c: Likewise.
4042 * cppexp.c: Likewise.
4043 * crtstuff.c: Likewise.
4044 * dbxout.c: Likewise.
4045 * dwarf2out.c: Likewise.
4046 * dwarfout.c: Likewise.
4047 * emit-rtl.c: Likewise.
4048 * except.c: Likewise.
4050 * final.c: Likewise.
4051 * frame-dwarf2.c: Likewise.
4052 * libgcc2.c: Likewise.
4053 * optabs.c: Likewise.
4054 * profile.c: Likewise.
4055 * sdbout.c: Likewise.
4056 * toplev.c: Likewise.
4057 * tradcif.y: Likewise.
4059 * varasm.c: Likewise.
4061 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4063 * builtins.c (expand_builtin_fputs): Use size_one_node when
4064 transforming into fwrite.
4066 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
4068 * extend.texi (Attribute Syntax): New section.
4070 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4072 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
4073 they didn't need fixing.
4075 2001-01-27 Janis Johnson <janis@us.ibm.com>
4077 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
4079 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
4080 to remove macro definitions that are duplicated from elfos.h.
4082 2001-01-27 Richard Henderson <rth@redhat.com>
4084 * config/i386/sco5gas.h: Move ...
4085 * config/usegas.h: ... here.
4086 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
4088 2001-01-27 Jakub Jelinek <jakub@redhat.com>
4090 * c-typeck.c (struct constructor_stack): Add range_stack member.
4091 (really_start_incremental_init): Clear it.
4092 (push_init_level): Save constructor_range_stack and clear it if
4093 pushing explicit braces.
4094 (pop_init_level): abort if constructor_range_stack is non-zero at
4095 explicit closing brace. Restore saved constructor_range_stack if
4098 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4100 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
4101 into register was forced into memory.
4103 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
4105 * Makefile.in: Remove uses of + before $(MAKE).
4107 2001-01-26 Richard Henderson <rth@redhat.com>
4109 * stmt.c (cost_table): Remove.
4110 (COST_TABLE, cost_table_initialized): New.
4111 (estimate_case_costs): Use the later instead of the former.
4112 (balance_case_nodes): Likewise.
4114 2001-01-26 Richard Henderson <rth@redhat.com>
4116 * alias.c (objects_must_conflict_p): Read-only slots may not
4117 conflict despite having the same type.
4119 2001-01-27 Michael Hayes <mhayes@redhat.com>
4121 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4123 (check_ext_dependant_givs): Initialise u_start_val and
4125 (load_mems): Make last_max_reg unsigned.
4126 (try_swap_copy_prop): Use INSN_P and initialise set.
4128 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4130 * README.AVR : Removed.
4132 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4134 * pa-64.h (text_section): Remove declaration.
4136 * pa.md (return_internal): Remove mode on PIC register use.
4138 2001-01-25 lars brinkhoff <lars@nocrew.org>
4140 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4141 ASM_CLOSE_PAREN): fix typos.
4143 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4145 * acconfig.h: Define `const' to the empty string if neither
4146 __STDC__ nor __cplusplus is defined.
4147 * config.in: Regenerated.
4149 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4151 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4152 * collect2.c (main): Delete importf. Add ".obj" file extension.
4153 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4154 (aix_std_libs): Add additional AIX libraries to skip.
4155 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4156 * config/rs6000/aix51.h: New file.
4158 2001-01-25 Michael Hayes <mhayes@redhat.com>
4160 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4161 (loop_insn_emit_before): No longer static.
4162 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4163 (loop_givs_rescan, load_mems): Likewise.
4164 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4165 (maybe_eliminate_biv_1):
4166 (move_movables): Replace emit_call_insn_before with
4167 loop_call_insn_hoist.
4168 * loop.h (loop_insn_emit_before): Add.
4169 * unroll.c (copy_loop_body): Replace emit_insn_before with
4170 loop_insn_emit_before.
4172 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4174 * diagnostic.c (fatal): Request preprocessed source.
4176 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4178 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4179 olddecl has argument types and newdecl has none, use the argument
4182 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4184 * dwarf2out.c (prefix_of): New function. Determine longest common
4185 prefix of the two arguments. The units are whole path components.
4186 (output_file_names): When adding a new directory find the one entry
4187 with the longest common prefix already in the list. Artificially
4188 generate entry if there is none for this prefix.
4189 Fix test to check whether the zeroth directory entry is used.
4191 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4193 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4194 Changed all callers. Take it into account when deciding if a
4195 previously loaded value matches.
4197 2001-01-24 Richard Henderson <rth@redhat.com>
4199 * reload.c (find_reloads_subreg_address): Fail the substitution
4200 if the resulting address is insufficiently aligned.
4202 2001-01-24 DJ Delorie <dj@redhat.com>
4204 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4205 check the original operand's mode also.
4206 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4208 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4210 * c-parse.in (cast_expr): Move compound literals from here ...
4211 (primary): ... to here. Use standard terminology "compound
4212 literal" instead of "constructor expression".
4214 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4216 * gcc.1, cpp.1: Regenerate.
4218 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4220 * calls.c (emit_library_call_value_1): Memory slot for
4221 pass-by-reference argument should have the mode of the argument,
4222 not of the pointer to it.
4224 2001-01-24 Tom Tromey <tromey@redhat.com>
4226 * gcc.texi (G++ and GCC): Mention gcj manual.
4227 (Standards): Link to section of manual mentioning gcj/Java
4230 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4232 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4233 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4234 * tradcpp.c (main): Add -imacros or -include'd dependencies
4236 * cpp.texi (-M, -MM): Document -M -include behaviour.
4238 2001-01-24 Roger Collins <roger@ProProject.com>
4240 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4242 2001-01-24 Will Cohen <wcohen@redhat.com>
4244 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4245 whether registers are 32 bits or 64 bits in size.
4247 2001-01-24 Ben Elliston <bje@redhat.com>
4249 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4251 2001-01-24 Richard Henderson <rth@redhat.com>
4253 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4254 (builtin_longjmp): Use it instead of emit_indirect_jump.
4256 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4258 * bb-reorder.c (make_reorder_chain_1): Handle case where
4259 jump edge goes to the same block as the fallthru edge.
4261 2001-01-23 Jim Wilson <wilson@redhat.com>
4263 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4264 * frame.h (__ia64_personality_v1): Add prototype.
4265 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4266 prototype form. Add void * cast to first argument to personality
4268 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4269 (asctoe113): Likewise.
4270 * config/ia64/frame-ia64.c: Include eh-common.h.
4271 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4273 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4275 (itanium_split_issue): Add prototype.
4276 (gen_nop_type): Ifdef out.
4277 (find_best_packet): Initialize best_packet.
4278 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4280 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4281 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4282 (flushrs): Add explicit stop bit at end.
4283 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4286 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4288 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4290 * libgcc2.c (__terminate_func): Make variable static.
4291 (__terminate_set_func): New function to set __terminate_func.
4292 * libgcc2.h (__terminate_func_ptr): New typedef.
4293 (__terminate_set_func): New function.
4295 2001-01-23 Richard Henderson <rth@redhat.com>
4297 * flow.c (init_propagate_block_info): Don't consider unchanging
4298 memories for dead frame store elimination.
4300 2001-01-23 Richard Henderson <rth@redhat.com>
4302 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4303 * defaults.h: ... here.
4305 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4307 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4309 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4311 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4313 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4315 * rs6000.h (rs6000_return_addr): Move prototype from here...
4316 * rs6000-protos.h (rs6000_return_addr): ...to here.
4317 (rs6000_init_expanders): Delete prototype.
4319 2001-01-23 Nick Clifton <nickc@redhat.com>
4321 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4322 (Spec Files): Document %B and %j and %. and %v3 and %M and
4323 %{S*&T} spec switches.
4325 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4327 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4329 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4330 Neil Booth <neil@daikokuya.demon.co.uk>
4332 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4333 Have -Werror make pedantic warnings errors, like the
4336 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4338 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4340 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4342 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4343 * integrate.c (expand_inline_function): Initialize them.
4344 (subst_constants): If changing COMPARE so that both its arguments
4345 will be VOIDmode and the comparison mode will be lost, note
4346 compare_mode. Use the recorded compare_mode to optimize
4349 2001-01-23 Jason Merrill <jason@redhat.com>
4351 * dwarf2out.c (new_die): Use xcalloc.
4352 (output_die): Abort rather than emit a local reference to offset 0.
4354 2001-01-17 Andrew Haley <aph@redhat.com>
4356 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4357 of a saved register; return NULL instead.
4358 (copy_reg): Take a pointer to a source register rather than a
4360 (next_stack_level): Remember the address in the stack frame of all
4362 Use the saved register pointer array as the source of the CFA.
4363 (throw_helper): Rewrite. Unwind once rather than twice and keep
4364 track of saved registers as we go.
4366 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4368 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4369 * c4x.c (c4x_legitimize_reload_address): Remove.
4370 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4371 reload address for ldp(k) insn.
4373 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4375 * pa.md (return_internal): Add a USE of the PIC register to ensure
4376 it is restored after each call.
4377 (return expander): Corresponding changes.
4379 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4381 * rs6000.h (INIT_EXPANDERS): Delete.
4382 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4383 * rs6000.c (rs6000_override_options): Call *_machine_status from
4385 (rs6000_init_expanders): ...instead of here. Delete.
4386 (rs6000_mark_machine_status): New function.
4387 (rs6000_init_machine_status): Use xcalloc.
4388 (rs6000_return_addr): Generate RTX for the return address.
4389 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4390 (rs6000_stack_info): Use it.
4392 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4394 * gthr-win32.h: Include errno.h to get a declaration for
4395 EINVAL and _mingw.h if the target is mingw32.
4397 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4399 * cpp.texi: Correct typos.
4401 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4403 * explow.c (probe_stack_range): Ensure value passed to
4404 stack_check_libfunc is ptr_mode, not Pmode.
4406 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4408 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4409 case, don't use operand_subword to calculate a SUBREG that is
4412 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4414 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4416 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4417 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4418 valid. If not replace it by equivalent insns.
4420 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4422 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4423 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4424 (c4x_U_constraint, symbolic_address_operand): Likewise.
4425 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4427 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4428 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4429 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4430 anulling slot because of silicon bug.
4431 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4433 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4435 * cppexp.c (parse_charconst): Change `mask' type to agree
4438 2001-01-21 Richard Henderson <rth@redhat.com>
4440 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4441 pic_label_name in a linkonce section.
4443 2001-01-17 Philipp Thomas <pthomas@suse.de>
4445 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4447 * configure: Regenerate.
4449 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4451 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4452 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4454 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4456 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4457 If REVERSE nonzero then condition code in X must be reversed.
4458 (encode_section_info): Optimise if/else.
4459 (avr_function_value): Fix formatting.
4461 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4462 (difficult_branch): Likewise.
4463 (rvbranch): Likewise.
4464 (difficult_rvbranch): Likewise.
4466 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4468 * config/avr/libgcc.S: Fix comment.
4470 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4472 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4474 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4476 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4478 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4480 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4481 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4482 * configure, config.in: Regenerate.
4483 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4484 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4485 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4486 (doprint.o): New rule.
4488 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4490 * c-typeck.c (digest_init): Handle boolean types as scalars.
4492 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4494 * stmt.c (expand_return): Don't return anything if size is zero.
4495 Delete redundant assignment to BYTES.
4496 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4498 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4500 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4501 the same as the default library function names.
4502 * config/avr/avr.md: Document special characters after '%'.
4503 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4504 knowing which of the call-used registers are really clobbered.
4505 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4506 New. Both quotient and remainder from one libgcc.S call.
4507 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4508 clobber as few registers as possible.
4509 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4511 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4513 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4514 context of the top of the stack.
4516 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4518 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4519 (fixup_var_refs_insns): ...here.
4521 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4523 * function.c (fixup_var_refs_insns): Break up into
4524 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4525 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4526 [loop over hash table entries].
4527 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4528 fixup_var_refs_insns_with_hash, to match above changes.
4530 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4532 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4533 (libgcc.a): Likewise.
4534 (stmp-multilib): Likewise.
4535 (STAGE2_FLAGS_TO_PASS): Likewise.
4537 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4539 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4540 temporary if no_new_pseudos.
4542 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4544 * cppinternals.texi: Update.
4546 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4548 * arm.c (arm_init_builtins): Re-enable builtins.
4550 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4552 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4553 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4554 element to be null, and always expect an EXPR_LIST.
4555 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4556 * sched-deps.c (sched_analyze_1): Likewise.
4557 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4559 * regclass.c (max_set_parallel): New variable.
4560 (reg_scan): Take it into account in computation of max_parallel.
4561 (reg_scan_mark_refs, case SET): Compute it.
4563 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4565 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4566 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4568 2001-01-19 Jason Merrill <jason@redhat.com>
4570 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4571 for the abstract instance of an inline function.
4573 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4574 J"orn Rennecke <amylaar@redhat.com>
4576 * reload1.c (move2add_note_store): Treat all registers directly or
4577 indirectly derived from a base register as members of the same set
4579 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4580 of base register into account.
4582 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4584 * alias.c (find_base_value): Recognize TRUNCATE.
4585 (record_set): In PLUS case, invalidate if other summand is also a
4588 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4590 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4591 entry to be EXPR_LIST.
4592 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4593 be an EXPR_LIST (but not null, which other code doesn't allow).
4594 (note_stores): Properly handle PARALLEL in SET.
4595 Recursively call for top-level PARALLEL.
4596 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4597 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4599 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4601 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4603 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4604 not pfile->skipping (== 0).
4606 2001-01-17 Nick Clifton <nickc@redhat.com>
4608 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4611 2001-01-17 Jim Wilson <wilson@redhat.com>
4613 * invoke.texi (IA-64 options): Improve.
4615 2001-01-17 Tom Tromey <tromey@redhat.com>
4617 * invoke.texi (Optimize Options): Use `{}' to around @samp
4620 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4622 * invoke.texi (-fno-guess-branch-probability): New option.
4624 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4626 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4627 case of making new double-word constant.
4628 Revert last change: instead just test i3_subst_into_i2.
4630 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4632 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4633 Use q constraints instead of r.
4635 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4637 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4638 (machine_function): Define.
4639 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4640 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4641 pa_free_machine_status): New functions.
4642 (override_options): Set {init,mark,free}_machine_status to above.
4643 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4644 PIC_OFFSET_TABLE_REGNUM_SAVED.
4645 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4646 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4647 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4648 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4649 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4651 2001-01-15 DJ Delorie <dj@redhat.com>
4653 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4657 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4659 * flow.c (propagate_on_insn): Make trying to delete a prologue
4660 or epilogue insn an ICE, not a warning. Allow doing this if
4661 the current function returns with stack pointer depressed.
4663 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4664 I3 having more than one SET.
4666 2001-01-16 Jim Wilson <wilson@redhat.com>
4668 * invoke.texi: Document IA-64 options.
4670 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4671 (fixup_errata): Delete TARGET_A_STEP use.
4672 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4673 (TARGET_SWITCHES): Delete -ma-step option.
4674 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4675 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4676 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4677 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4678 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4679 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4681 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4682 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4683 cmovsi_internal): Delete ! TARGET_A_STEP check.
4685 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4687 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4688 possibility to report bugs via postal mail. Change a URL and
4689 merge in a nearly duplicate statement...
4690 (Bug Reporting): ...from here.
4691 (Service): Refer to the Bug Reporting section instead of
4693 (Contributing): Remove trivial explanations concerning snapshots.
4695 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4697 * cppmain.c (general_init): Don't use ANSI prototype.
4699 2001-01-16 Tom Tromey <tromey@redhat.com>
4701 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4703 2001-01-16 Richard Henderson <rth@redhat.com>
4705 * config/i386/i386.h: Fix comment typo.
4706 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4707 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4709 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4711 * gcc.c: Revert previous -fsyntax-only-related change; move
4714 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4716 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4717 inmode after checking GET_CODE (op).
4719 2001-01-16 Richard Henderson <rth@redhat.com>
4721 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4722 (MAX_MEM_SET_LIST_LEN): New.
4723 (propagate_one_insn): Update mem_set_list_len.
4724 (invalidate_mems_from_autoinc): Likewise.
4725 (invalidate_mems_from_set): Likewise.
4726 (mark_used_regs): Likewise.
4727 (init_propagate_block_info): Likewise. Stop collecting memories
4728 when we reach MAX_MEM_SET_LIST_LEN.
4729 (mark_set_1): Likewise.
4731 2001-01-16 Richard Henderson <rth@redhat.com>
4733 * unroll.c (precondition_loop_p): Fail if no iteration
4736 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4738 * gcc.c: When -fsyntax-only is given, do not complain about
4741 2001-01-15 Richard Henderson <rth@redhat.com>
4743 * config/i386/i386.c (asm_output_function_prefix): Remove.
4744 (ix86_asm_file_end): New.
4745 (load_pic_register): Generate pic_label_name into a
4746 staticly allocated buffer.
4747 * config/i386/i386-protos.h: Update.
4748 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4749 (ASM_FILE_END): New.
4750 * config/i386/i386afe.h: New file.
4751 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4752 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4753 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4754 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4755 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4756 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4757 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4759 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4761 * Makefile.in (install-man): Remove explicit dependency on
4764 * configure.in, configure: Revert previous patch requiring perl
4767 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4769 * toplev.c (flag_guess_branch_prob): New.
4770 (f_options): Add guess-branch-probability option.
4771 (rest_of_decl_compilation): Only estimate branch probability if
4773 (main): set flag_guess_branch_prob.
4775 * flags.h (flag_guess_branch_prob): New.
4777 2001-01-15 DJ Delorie <dj@redhat.com>
4779 * gcc.texi (Makefile): Add documentation for Makefile targets.
4781 2001-01-15 Philip Blundell <philb@gnu.org>
4783 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4785 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4786 (is_pic): Delete declaration.
4787 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4788 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4789 * config/arm/arm.md (builtin_setjmp_receiver): New.
4791 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4793 * arm.c (use_return_insn): Don't try to determine the function type
4794 until after reload has completed.
4795 (arm_output_epilogue): Don't adjust the sp value recovered from the
4797 (emit_multi_reg_push): Don't record dwarf information for the pc.
4798 * arm.md (eh_epilogue): The function type may have changed, so it
4799 needs to be recalculated.
4800 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4801 unwind tables on arm/netbsd.
4803 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4805 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4806 (negated_cbranchsi4): Likewise.
4808 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4810 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4811 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4812 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4813 pass -mapcs-* options to assembler.
4814 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4815 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4816 (ASM_SPEC): Call subtarget_extra_asm_spec.
4818 2001-01-15 Andreas Jaeger <aj@suse.de>
4820 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4822 (ix86_expand_builtin): Likewise.
4824 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4825 warning about comparison between signed and unsigned.
4827 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4829 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4831 2001-01-14 Ralf Baechle <ralf@gnu.org>
4833 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4834 SUBTARGET_CPP_SPEC apropriatly.
4836 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4838 * varasm.c (make_decl_rtl): Fix typo in last change.
4840 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4842 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4843 linker supports the init_priority C++ attribute.
4844 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4845 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4846 linker does not support init_priority C++ attribute.
4848 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4850 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4852 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4854 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4855 * cp/lex.c (finish_parse): Similarly.
4856 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4857 Return the number of errors encountered.
4858 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4859 * cppmain.c (main): Don't call cpp_destroy.
4861 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4863 * configure.in: Require at least perl 5.6.0 to regenerate
4865 * configure: Regenerate.
4867 2001-01-14 Richard Henderson <rth@redhat.com>
4869 * genrecog.c (DT_veclen_ge): New.
4870 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4871 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4872 (nodes_identical_1): Handle DT_veclen_ge.
4873 (write_cond, debug_decision_2): Likewise.
4875 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4877 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4879 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4881 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4883 * cppmain.c (do_preprocessing): New function; most of the old
4885 (main): Call it to do most of the work.
4886 (cb): Move from global scope to set_callbacks ().
4887 (setup_callbacks): Get the callback pointer.
4888 (general_init, printer_init): Clean up code and comments.
4890 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4892 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4895 2001-01-14 Kazu Hirata <kazu@hxi.com>
4897 * config/h8300/h8300.c (get_shift_alg): Update comments.
4899 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4901 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4902 (alloc_page, ggc_alloc): Add casts to remove warnings.
4904 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4906 * combine.c (simplify_comparison): Don't change `code' when
4907 can't reverse comparison.
4909 2001-01-14 Richard Henderson <rth@redhat.com>
4911 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4912 update all call sites. Return true for all non-label constants.
4914 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4916 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4918 (ix86_expand_branch): Update.
4919 (ix86_expand_setcc): Update to handle multiple test conditions.
4920 (expand_int_movcc): Likewise.
4921 (expand_fp_movcc): Likewise.
4922 * i386-protos.h (ix86_expand_compare): New.
4923 * i386.md (andqi_?_slp, orqi_?_slp): New.
4924 (conditional trap expander): Update call to ix86_expand_compare.
4926 2001-01-14 Richard Henderson <rth@redhat.com>
4928 * config/vax/vax.md: Use nonimmediate_operand instead of
4929 general_operand in destinations.
4931 * config/vax/vax.md (indirect_jump): Use register_operand.
4933 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4934 * config/vax/vax.md (call_pop): Turn into an expander.
4935 (call_value_pop): Likewise.
4936 (call, call_value): New.
4938 2001-01-14 Andreas Jaeger <aj@suse.de>
4940 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4942 (ix86_fp_compare_mode): Add unused attribute.
4943 (ix86_expand_fp_movcc): Remove unused variable.
4944 (ix86_expand_builtin): Make fcode unsigned.
4946 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4947 (expand_expr): Add cast to avoid signed warning.
4948 (store_field): Likewise.
4949 (store_constructor_field): Likewise.
4950 (store_constructor): Likewise.
4951 (store_expr): Likewise.
4952 (clear_storage): Likewise.
4953 (emit_group_store): Likewise.
4954 (emit_group_load): Likewise.
4956 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4958 * c-common.c: Move format checking code to ...
4959 * c-format.c: ... here. New file. Reorder some functions and
4961 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4963 * c-common.h (decl_handle_format_attribute,
4964 decl_handle_format_arg_attribute): Declare.
4965 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4966 (c-common.o): Adjust dependencies.
4967 (c-format.o): New list of dependencies.
4969 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4971 * unroll.c (loop_iterations): If we cannot prove iteration variable
4972 is set once in each iteration, punt.
4974 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4976 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4977 (*strlenhi): Remove clobber (which was buggy) of output address.
4979 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4981 * Makefile.in (generated-manpages): Add gcc.1
4982 ($(srcdir)/gcc.1): New target.
4983 (maintainer-clean): Delete $(srcdir)/gcc.1.
4984 * gcc.texi: Add macros @gccoptlist and @gol.
4985 * invoke.texi: Include option summary in manpage. Mark up option
4986 summary with @gccoptlist and @gol. Use @r in one place where
4988 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4989 * gcc.1: Generate from invoke.texi.
4991 2001-01-13 Richard Henderson <rth@redhat.com>
4993 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4994 (struct page_entry): Add group member.
4995 (struct page_group): New.
4996 (struct globals): Add page_groups member.
4997 (alloc_anon): Only define for using mmap; remove valloc call.
4998 (page_group_index): New.
4999 (set_page_group_in_use): New.
5000 (clear_page_group_in_use): New.
5001 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
5002 (free_page, release_pages): Likewise.
5003 * configure.in (with-gc): Default to ggc-page always.
5005 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5007 * reload1.c (replace_pseudos_in_call_usage): Use
5008 reg_equiv_constant and reg_equiv_address, and don't try
5009 regno_reg_rtx first.
5011 2001-01-13 Richard Henderson <rth@redhat.com>
5013 * ggc-page.c (alloc_page): Round up allocation size to one page.
5014 Set e->order on extra pages.
5016 2001-01-13 Richard Henderson <rth@redhat.com>
5018 * genrecog.c (nodes_identical): Expand commentary.
5019 (write_switch): Watch out for identical nodes.
5021 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5023 * cppfiles.c (_cpp_fake_include): New function.
5024 * cpphash.h (_cpp_fake_include): New.
5025 * cpplib.c (do_line): Call _cpp_fake_include when entering
5026 header files in preprocessed input.
5027 * cppmain.c (cb_pragma_implementation): Remove handling.
5028 (setup_callbacks): Don't register pragmas.
5030 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5032 * extend.texi: Udate for CPP.
5034 2001-01-13 Andreas Jaeger <aj@suse.de>
5036 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
5038 * regmove.c: Add prototype for replace_in_call_usage.
5040 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5042 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
5043 struct cpp_chunk, struct htab, struct toklist,
5044 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
5045 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
5046 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
5047 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
5048 (struct macro_args): Delete.
5049 * cpphash.h: See above.
5051 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5053 * cppmain.c (struct printer): Remove no_line_dirs.
5055 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
5056 : Use options rather than CPP_OPTION.
5057 (setup_callbacks): Use cb rather than pfile->cb.
5058 (main): No need to check for a buffer. Use cpp_errors.
5059 (printer_init): Don't set no_line_dirs.
5060 (maybe_print_line): Use options not no_line_dirs.
5061 (cb_file_change): Don't call print_line if -P.
5063 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5065 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
5067 * c-parse.in (finish_parse): Use cpp_errors.
5068 (__yylex): Use return value of cpp_pop_buffer.
5069 * cp/lex.c (finish_parse): Use cpp_errors.
5070 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
5072 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
5074 * README.AVR: URLs corrected.
5076 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5078 * c-decl.c (start_function): Don't warn if old prototype is builtin
5079 that's not in C's namespace.
5080 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
5081 (_bb): Add prototype for ctime.
5082 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
5084 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
5086 * i386.c (ix86_fp_comparison_arithmetics_cost,
5087 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
5088 ix86_fp_comparison_cost): New functions.
5089 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
5090 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
5091 two-branch sequences; make static.
5092 (ix86_use_fcomi_compare): Do decision according to the costs.
5093 (split_fp_branch): New.
5094 * i386.md (compare-and-branch patterns): Use split_fp_branch.
5095 * i386-protos.h (ix86_expand_fp_compare): Remove
5096 (ix86_split_fp_branch): Declare.
5098 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
5099 and ix86_comparison_operator.
5101 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
5104 * i386.c (put_condition_code): Output properly the unordered/ordered
5105 compares in fp case.
5106 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
5108 * tm.texi (REVERSE_CONDITION): Document.
5109 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
5110 in -ffast-math mode.
5111 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
5113 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5115 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
5117 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
5120 * config/sh/sh.c (mova_p): Fix test for mova_const.
5122 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5124 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5125 cpp_get_options rather than dereferencing pfile and using
5127 * scan-decls.c (scan_decls): Use return value of
5128 cpp_pop_buffer rather than CPP_BUFFER.
5130 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5132 * cppinit.c (cpp_handle_option): help_only is now part of the
5133 cpp_options structure.
5134 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5135 cpp_set_callbacks): New functions.
5136 * cpplib.h (cpp_callbacks): Break out as a named structure.
5137 (cpp_options): Move help_only here from cpp_reader.
5138 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5139 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5140 cpp_set_callbacks): New prototypes.
5141 * cppmain.c (main): Update for help_only.
5143 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5145 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5146 Also build and remove and install and uninstall c-tree.info and
5148 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5149 ($(srcdir)/cppinternals.info): New target.
5150 * c-tree.texi: Change file name used when makeinfo used without -o
5151 from ir.info to c-tree.info. Add info directory entry.
5152 * cppinternals.texi: Add info directory entry.
5153 * .cvsignore: Update.
5155 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5157 * c-typeck.c (store_init_value): Don't require constant initializer
5158 elements with -pedantic -std=c99.
5159 (digest_init): Change error about non-constant initializer elements
5161 (constructor_range_end): Remove.
5162 (constructor_incremental, designator_depth,
5163 designator_errorneous): New variables.
5164 (struct constructor_stack): Remove range_end, add incremental.
5165 (struct constructor_range_stack, constructor_range_stack): New.
5166 (struct initializer_stack): Add constructor_range_stack.
5167 (finish_init): Set it.
5168 (start_init): Likewise. require_constant_elements for non-static
5169 trees only if not flag_isoc99.
5170 (really_start_incremental_init): Remove constructor_range_end, add
5171 constructor_incremental.
5172 (pop_init_level): Likewise.
5173 (push_init_level): Likewise. If implicit and the subobject had some
5174 value set already, preinitialize the level with it.
5175 Warn about missing braces only if not pushing due to designators.
5176 (set_designator, push_range_stack): New functions.
5177 (set_init_label): Use them.
5178 (set_init_index): Likewise. Remove constructor_range_end.
5179 Error if designator index is outside of array bounds.
5180 (add_pending_init): Compare values of purpose index trees, not the
5181 trees themselves. Allow overwriting of already initialized element.
5182 Issue a warning if it had side-effects.
5183 (set_nonincremental_init, set_nonincremental_init_from_string): New
5185 (pending_init_member): Rename to...
5186 (find_init_member): ...this function. Call set_nonincremental_init
5187 if necessary. Compare values of purpose index trees, not the trees
5188 themselves. Return the actual value, not just non-zero if something
5190 (output_init_element): Remove checks for duplicates.
5191 If field has zero size, only check the initializer for correctness.
5192 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5193 if constructor_incremental is zero. Change error about initializers
5194 not computable at load time into pedwarn.
5195 (output_pending_init_elements): Compare bit positions, not
5196 FIELD_DECLs to take into account zero-sized fields.
5197 (process_init_element): Use constructor_range_stack to fill all
5198 ranges in the designator lists from current level up.
5199 * extend.texi: Update documentation for labeled elements.
5201 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5203 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5204 to function usage for arguments passed by reference. Optimize
5205 callee-copied arguments.
5206 * regmove.c (replace_in_call_usage): New function.
5207 (fixup_match_1): Call it.
5208 * cse.c (cse_insn): Canonicalize registers in function usage.
5209 * reload1.c (replace_pseudos_in_call_usage): New function.
5212 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5215 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5217 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5220 2001-01-12 DJ Delorie <dj@redhat.com>
5222 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5223 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5226 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5228 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5229 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5230 -std options alongside references to -ansi. Update some
5231 documentation for C99.
5232 * cpp.1: Regenerate.
5234 2001-01-12 Andreas Jaeger <aj@suse.de>
5236 * haifa-sched.c (restore_line_notes): Remove argument block B
5238 * sched-ebb.c (schedule_ebb): Change caller.
5239 * sched-rgn.c (schedule_region): Likewise.
5240 * sched-int.h (restore_line_notes): Adjust prototype.
5242 * loop.h: Remove wrong declaration of doloop_condition_get.
5244 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5246 * extend.texi: Move C++-extension-related node from the C section
5247 into the C++ section.
5249 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5251 * extend.texi: Refer to an array of pointers to functions instead
5252 of one of functions.
5254 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5255 Jan Hubicka <jh@suse.cz>
5257 * combine.c (reversed_comparison): Fix typo in last patch.
5259 (combine_reversed_comparison_code): Make static to follow
5260 prototype declaration.
5262 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5264 * install.texi: Remove misplaced duplicate entry.
5266 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5268 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5270 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5272 * final.c: (leaf_function_p): Fix typo.
5274 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5276 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5277 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5279 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5280 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5281 mmap_anon, and valloc is available.
5282 * ggc-page.c: Restructure ifdef logic to match new autoconf
5283 spec. Don't throw away the test page in init_ggc.
5285 * configure, config.in: Regenerate.
5287 2001-01-12 Michael Hayes <mhayes@redhat.com>
5289 * loop.h (total_biv_increment): Constify iv_class pointer.
5290 (struct induction): Replace `mem_mode' with `mem' rtx.
5291 * unroll.c (total_biv_increment): Constify iv_class pointer.
5292 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5293 (find_mem_givs, combine_givs_p): Likewise.
5294 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5296 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5298 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5300 (__gthread_getspecific): Ditto.
5302 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5304 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5305 put_condition_code): Convert fp comparison codes to integer
5307 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5310 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5311 * i386-protos.h (no_comparison_operator): Kill.
5313 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5315 * combine.c (REVERSIBLE_CC_MODE): Remove.
5316 (reversible_comparison_p): Remove.
5317 (combine_reversed_comparison_code): New.
5318 (reversed_comparison): New.
5319 (combine_simplify_rtx): Use
5320 combine_reversed_comparison_code/reversed_comparison instead
5321 of reversible_comparison_p.
5322 (simplify_if_then_else): Likewise.
5323 (simplify_set): Likewise.
5324 (simplify_logical): Likewise.
5325 (if_then_else_cond): Likewise.
5326 (known_cond): Likewise.
5327 (simplify_comparison): Likewise.
5329 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5331 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5332 sizeof (int) is larger than sizeof(__word__).
5334 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5336 * cppinit.c (do_includes): Fix typo.
5338 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5340 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5341 in S_REGS does not occur because not all sources are possible
5342 when a S_REGS is a destination (sometimes needs a clobber).
5343 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5344 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5345 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5346 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5347 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5348 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5349 (lshrdi_const1, lshrsi3_const16): Likewise.
5350 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5351 (*movhi_68hc12, *movqi_68hc12): Likewise.
5352 (movstrictqi): Make sure reloading in D_REGS as a destination
5355 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5357 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5359 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5361 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5362 -D, -U and -A, and don't initialize the builtins.
5363 (do_includes): Error if -include or -imacros with -fpreprocessed.
5364 * cppmain.c (cb_define, cb_undef): Unconditionally process
5366 * tradcpp.c (main): Fix typo.
5368 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5370 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5371 (read_name_map): Use IS_ABSOLUTE_PATH.
5372 * tradcpp.c (get_filename): Likewise.
5374 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5376 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5377 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5378 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5379 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5380 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5381 (cmphi_z_used): Don't use '@' for the output.
5382 (tstqi_z_used): Likewise.
5383 (cmpqi_z_used): Likewise.
5384 (one_cmplsi2): Likewise.
5386 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5388 * config/sh/sh.c (barrier_align): Recognize branch around far
5389 branch and redundant insn.
5391 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5393 * invoke.texi: Restore documentation of the drivers' switches -MD
5396 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5398 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5400 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5401 check-objc//%): Support parallel testing of multilibs.
5402 (TESTSUITEDIR): Set to testsuite by default, but override for
5404 (check-gcc, check-g++, check-g77, check-objc): Enter
5407 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5409 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5410 * sched-deps.c (deps_may_trap_p): Likewise.
5411 * basic-block.h: Remove a comment.
5412 * flow.c (PROP_POSTRELOAD): Remove.
5413 (update_life_info): Don't add it to prop_flags.
5414 (mark_set_1): Lose the code that was enabled by it.
5416 2001-01-11 Michael Hayes <mhayes@redhat.com>
5418 * flow.c (flow_call_edges_add): New.
5419 * basic_block.h (flow_call_edges_add): New.
5421 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5423 * reload1.c (move2add_note_store): Update reg_set_luid even if
5424 base reg remains the same.
5426 2001-01-10 Nick Clifton <nickc@redhat.com>
5428 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5429 machine_function structure to zero.
5430 Add prototypes for machine_status functions.
5432 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5434 * c-common.h (CTI_VOID_LIST): Remove.
5435 (void_list_node): Likewise.
5436 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5437 (void_list_node): New macro.
5438 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5439 * config/i386/i386.c (ix86_init_builtins): Likewise.
5440 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5442 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5444 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5445 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5447 * tradcpp.c: Include mkdeps.h.
5448 (deps, print_deps_phony_targets, deps_append, output_deps,
5449 init_dependency_output, output_deps): New.
5450 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5451 deps_output): Delete.
5452 (print_deps_missing_files): Rename deps_missing_files.
5453 (inhibit_output): Make global.
5454 (main): Delete inhibit_output, deps_stream, deps_target.
5455 Use mkdeps functionality in the same way as cpplib. Remove
5456 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5457 -M and -MM. Remove old handling of deps via deps_out, and
5458 old reading of environment variables.
5459 (get_filename): Update to use deps_add_dep.
5461 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5463 * output.h (make_function_rtl): Remove prototype.
5464 (make_decl_rtl): Likewise.
5465 * varasm.c (make_function_rtl): Remove.
5466 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5467 than from a third parameter.
5468 * tree.h (make_decl_rtl): Remove last parameter.
5469 * c-decl.c (builtin_function): Remove last argument in call to
5470 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5471 (start_function): Likewise.
5472 * except.c (call_get_eh_context): Likewise.
5473 * expr.c (emit_block_move): Likewise.
5474 (clear_storage): Likewise.
5475 * profile.c (output_func_start_profiler): Likewise.
5476 * toplev.c (rest_of_decl_compilation): Likewise.
5477 * objc/objc-act.c (create_builtin_decl): Likewise.
5478 (synth_module_prologue): Likewise.
5479 (generate_static_reference): Likewise.
5480 (build_selector_reference_decl): Likewise.
5481 (build_class_reference_decl): Likewise.
5482 (build_objc_string_decl): Likewise.
5483 (build_protocol_reference): Likewise.
5485 2001-01-10 Richard Henderson <rth@redhat.com>
5487 * hwint.h: Revert yesterday's change.
5489 2001-01-10 Nick Clifton <nickc@redhat.com>
5491 * function.h (save_machine_status): Delete.
5492 (restore_machine_status): Delete.
5493 Amend comment describing {init|mark|free}_machine_status.
5495 * function.c (save_machine_status): Delete.
5496 (restore_machine_status): Delete.
5497 Amend comment describing {init|mark|free}_machine_status.
5498 (push_function_context_to): Remove invocation of
5499 save_machine_status.
5500 (pop_function_context_from): Remove invocation of
5501 restore_machine_status.
5503 * emit-rtl.c (init_emit_once): Amend comment describing
5504 {init|mark|free}_machine_status.
5506 * tm.texi (Per-Function Data): New node. Describe the
5507 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5510 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5512 * cppinit.c (OPT_g): Remove.
5513 (cpp_handle_option): Update for removed -g3.
5514 (print_help): Update.
5515 * cpplib.h (struct cpp_options): Remove debug_output.
5516 * cppmain.c (setup_callbacks, cb_define): Update.
5517 * gcc.c (cpp_options): Translate -g3 to -dD.
5519 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5521 * config/i960/i960.md: Change modifier to + on the zero_extract
5522 pattern after the (rotate -2 reg) canonicalization pattern.
5524 2001-01-10 Richard Henderson <rth@redhat.com>
5526 * config/alpha/alpha.c (alpha_free_machine_status): New.
5527 (override_options): Install it.
5528 (alpha_mark_machine_status): Verify machine non-null.
5529 * config/i386/i386.c (ix86_free_machine_status): New.
5530 (override_options): Install it.
5531 (ix86_init_machine_status): Use xcalloc.
5532 (ix86_mark_machine_status): Verify machine non-null.
5533 * config/ia64/ia64.c (ia64_free_machine_status): New.
5534 (ia64_override_options): Install it.
5535 (ia64_mark_machine_status): Verify machine non-null.
5537 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5539 * function.c (instantiate_virtual_regs): Instantiate virtual
5540 registers found in CALL_INSN_FUNCTION_USAGE.
5542 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5544 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5545 equivalent to -ansi in disabling -Di386.
5547 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5549 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5551 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5553 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5555 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5557 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5559 * invoke.texi: Document that -fcond-mismatch isn't supported for
5562 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5564 * gcc.texi: Define macro gcctabopt.
5565 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5566 @command, @env and @option in some places where appropriate. Use
5567 @gcctabopt where appropriate. Put URLs and email addresses inside
5570 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5572 * gcc.c (cpp_options): Set MD file name from output
5573 filename, if specified.
5574 (suffix_subst): New static variable.
5575 (do_spec): Clear it.
5576 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5578 (give_switch): Handle suffix_subst.
5580 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5582 * invoke.texi: Fix another typo.
5584 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5586 * invoke.texi: Fix typo.
5588 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5590 * c-lang.c (lang_hooks): Update.
5591 (lang_decode_option): Remove.
5592 (lang_init_options): Rename c_init_options.
5593 * toplev.c (main): Use lang_hooks for lang_init_options
5594 and lang_decode_option.
5595 * toplev.h (lang_hooks): Add 2 new hooks.
5596 * tree.h: Remove lang_init_options and lang_decode_option.
5597 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5598 * cp/decl2.c: Similarly.
5599 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5600 (lang_hooks): Update.
5601 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5603 (lang_init_options): Rename ffe_init_options.
5604 (lang_hooks): Update.
5605 (lang_decode_option): Remove.
5606 * java/lang.c (lang_init_options): Rename java_init_options.
5607 (lang_decode_option): Rename java_decode_option.
5608 (lang_hooks): Update.
5609 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5610 (lang_decode_option): Rename objc_decode_option.
5611 (lang_hooks): Update.
5613 2001-01-09 Nick Clifton <nickc@redhat.com>
5615 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5616 (d30v_return_addr_rtx): Delete.
5617 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5618 cfun->machine structure.
5619 (struct machine_function): Move to d30v.h
5620 (d30v_save_machine_status): Delete.
5621 (d30v_restore_machine_status): Delete.
5622 (d30v_init_machine_status): New Function.
5623 (d30v_mark_machine_status): New Function.
5624 (d30v_free_machine_status): New Function.
5625 (d30v_init_expanders): Use new functions.
5626 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5627 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5628 d30v_return_addr_rtx.
5630 * config/d30v/d30v.h (struct_machine): Move here.
5631 Add eh_epilogue_sp_ofs field.
5633 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5634 field in cfun->machine structure.
5636 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5638 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5639 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5640 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5642 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5644 * objc/lang-options.h: Remove bogus reference to
5647 2001-01-09 Kazu Hirata <kazu@hxi.com>
5649 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5652 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5654 * reload.c (find_reloads_address): Check for eliminable registers
5655 when substituting a constant expression for a pseudo.
5657 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5659 * c-common.c (enum format_type): Add format_type_error.
5660 (decode_format_type): New function.
5661 (decl_attributes): Use it.
5662 (format_kind_info): Adjust comment.
5664 2001-01-09 David O'Brien <obrien@BSDi.com>
5666 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5667 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5669 * config/i386/gnu.h: Don't include required platform specific .h files,
5670 tm.h will do it instead.
5671 * config/i386/i386elf.h: Likewise.
5672 * config/i386/linux.h: Likewise.
5673 * config/i386/moss.h: Likewise.
5674 * config/mips/gnu.h: Likewise.
5676 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5678 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5679 (rs6000-ibm-aix3.[01]*): Likewise.
5680 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5681 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5682 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5683 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5684 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5685 (powerpc-*-eabiaix*): Likewise.
5686 (powerpc-*-eabisim*): Likewise.
5687 (powerpc-*-elf*): Likewise.
5688 (powerpc-*-eabi*): Likewise.
5689 (powerpc-*-rtems*): Likewise.
5690 (powerpc-*-linux*libc1): Likewise.
5691 (powerpc-*-linux*): Likewise.
5692 (powerpc-wrs-vxworks*): Likewise.
5693 (powerpcle-wrs-vxworks*): Likewise.
5694 (powerpcle-*-sysv*): Likewise.
5695 (powerpcle-*-elf*): Likewise.
5696 (powerpcle-*-eabisim*): Likewise.
5697 (powerpcle-*-eabi*): Likewise.
5698 (powerpcle-*-solaris2*): Likewise.
5699 * config/rs6000/aix31.h: Delete includes.
5700 * config/rs6000/aix3newas.h: Likewise.
5701 * config/rs6000/aix41.h: Likewise.
5702 * config/rs6000/aix43.h: Likewise.
5703 * config/rs6000/beos.h: Likewise.
5704 * config/rs6000/rtems.h: Likewise.
5705 * config/rs6000/sysv4.h: Likewise.
5707 2001-01-09 Kazu Hirata <kazu@hxi.com>
5709 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5710 Change an argument mode of machine_mode to shift_mode of
5711 shift_mode. Remove an extra error check.
5712 (emit_a_shift): Adopt to the new calling prototype of
5714 (function_prologue): Fix code for a monitor
5715 function. Support H8/S.
5716 (function_epilogue): Do not output pop for a monitor function.
5718 2001-01-09 Nick Clifton <nickc@redhat.com>
5720 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5721 (setup_incoming_varargs): Use sysv_varargs_p field of the
5722 cfun->machine structure.
5723 (struct machine_function): Move to rs6000.h
5724 (rs6000_save_machine_status): Delete.
5725 (rs6000_restore_machine_status): Delete.
5726 (rs6000_init_machine_status): New Function.
5727 (rs6000_free_machine_status): New Function.
5728 (rs6000_init_expanders): Use new functions.
5730 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5732 (struct machine_function): Move here.
5734 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5735 sysv_varargs_p field of the cfun->machine structure.
5737 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5739 (rs6000_restore_machine_status): Remove prototype.
5741 2001-01-09 Richard Henderson <rth@redhat.com>
5743 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5744 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5745 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5746 (sched_analyze_2, sched_analyze_insn): Likewise.
5747 (sched_analyze, init_deps): Likewise.
5748 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5749 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5750 (compute_block_backward_dependences): Update propagate_deps call.
5752 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5754 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5756 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5758 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5759 (cpp_handle_option): Handle them.
5760 (cpp_post_options): Ensure one of -M or -MM is specified with
5761 any other -M? option.
5762 (init_dependency_output): Suppress output with -MG.
5764 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5767 * invoke.texi: Update.
5769 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5771 * sh.md (reload_outsf): Generate recognizable patterns for
5774 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5776 * c-lang.c (lang_hooks): Update.
5777 (lang_init): Rename c_init.
5778 (lang_finish): Remove.
5779 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5781 * toplev.h (lang_hooks): Add init () and finish ().
5782 * tree.h (lang_init, lang_finish): Remove.
5783 * cp/tree.h (lang_init, lang_finish): Remove.
5784 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5785 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5787 (lang_init, lang_finish): Remove.
5788 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5789 (lang_hooks): Update.
5790 * java/lang.c (lang_init): Rename java_init.
5791 (lang_finish): Remove.
5792 (lang_hooks): Update.
5793 * objc/objc-act.c (lang_init): Rename objc_init.
5794 (lang_finish): Remove.
5795 (lang_hoooks): Update.
5797 20001-01-09 Graham Stott <grahams@redhat.com>
5799 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5800 after `ptr` is initialised.
5802 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5804 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5805 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5806 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5807 stack adjusts, instead of r3.
5809 2001-01-09 Michael Hayes <mhayes@redhat.com>
5811 * flow.c (flow_loop_scan): Break out of ...
5812 (flow_loops_find) ... here.
5813 * basic-block.h (flow_loop_scan): New.
5814 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5815 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5817 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5819 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5821 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5822 realloc()ing macro_buffer.
5824 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5825 if it's wider than long and the target's long is wider than the
5828 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5830 Remove support for using UWIN as a host machine.
5831 * configure.in: Issue an error message.
5832 * configure: Regenerated.
5833 * config.gcc: Remove xm_* UWIN configury.
5834 * config/i386/xm-uwin.h: Remove.
5836 2001-01-08 Nick Clifton <nickc@redhat.com>
5838 * config/v850/v850.c (ra_rtx): Delete.
5839 (v850_save_machine_status): Delete.
5840 (v850_restore_machine_status): Delete.
5841 (v850_init_machine_status): New function.
5842 (v850_mark_machine_status): New function.
5843 (v850_free_machine_status): New function.
5844 (v850_return_addr): Use ra_rtx field in machine structure.
5845 (v850_init_expanders): Use new functions.
5847 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5848 * config/v850/v850.c: Change arguments to v850_output+* functions
5849 to take a const char *, to avoid compile time warning.
5850 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5851 (USER_LABEL_PREFIX): Redefine.
5853 2000-01-08 Jim Wilson <wilson@redhat.com>
5855 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5856 1 to unsigned HOST_WIDE_INT before left shift.
5858 2001-01-08 Nick Clifton <nickc@redhat.com>
5860 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5861 the machine structure has been allocated.
5862 (arm_free_machine_status): New function: Free the machine
5863 specific function structure.
5865 2001-01-08 Richard Henderson <rth@redhat.com>
5867 * jump.c (simplejump_p): Revert last change.
5869 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5871 * cppinit.c (init): Rename init_library.
5872 (cpp_create_reader): Update.
5873 * gcc.c (cpp_options): If -o given, use it as the target of
5876 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5878 * arm.c (arm_arch5e): New variable.
5879 (all_cores): XScale is a 5TE device.
5880 (arm_override_options): Set arm_arch5e.
5881 (arm_init_builtins): __builtin_prefetch is in arch5e.
5882 * arm.h (arm_arch5e): Declare it.
5884 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5886 * arm.md (define_constants): Add defines for UNSPEC and
5887 UNSPEC_VOLATILE insns. Update all users.
5888 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5889 * arm.c (multi_register_push, note_invalid_constants)
5890 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5891 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5892 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5894 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5896 * jump.c (jump_optimize_1): Use reversed_comparison_code
5897 instead of can_reverse_comparison_p.
5898 (jump_back_p): Likewise.
5899 (invert_exp_1): Likewise.
5900 (thread_jumps): Likewise.
5901 * simplify-rtx.c (simplify_unary_operation): Likewise.
5902 (simplify_ternary_operation): Likewise.
5903 * cse.c (find_comparison_args): Convert to use
5904 can_reverse_comparison_p.
5905 (record_jump_equiv): Likewise.
5907 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5909 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5910 (EPILOGUE_USES): Define.
5911 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5912 automatically stack the LR if it isn't live.
5914 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5916 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5919 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5921 * ggc-page.c (max_alignment): New structure.
5922 (MAX_ALIGNMENT): New macro.
5923 (init_ggc): Use it to round up the sizes in the
5924 extra_order_size_table.
5926 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5928 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5931 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5933 * builtins.def (BUILT_IN_FPRINTF): New entry.
5935 * c-common.c (c_expand_builtin_fprintf): New function.
5936 (init_function_format_info): Handle __builtin_fprintf.
5937 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5938 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5940 * c-decl.c (duplicate_decls): Adjust comment.
5942 * extend.texi (fprintf): Document new builtin.
5944 2001-01-07 Richard Henderson <rth@redhat.com>
5946 * jump.c (simplejump_p): Recognize any single_set jump
5949 2001-01-07 Richard Henderson <rth@redhat.com>
5951 * configure.in (slibdir): Accept an --with-slibdir option.
5952 Use "test" not "[" in configure. Default to $(libdir).
5954 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5956 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5957 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5958 (SHLIB_LINK): Create links for the soname.
5959 * config/mips/t-iris6: Likewise.
5960 * config/sparc/t-slibgcc: Likewise.
5961 * config/sparc/t-slibgcc-sld: Likewise.
5963 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5965 * config/i386/i386.c (constant_call_address_operand): Accept
5966 (const (plus (symbol_ref) (const_int))).
5967 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5968 constant_call_address_operand.
5970 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5972 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5973 and LONG_LONG_TYPE_SIZE > 32.
5975 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5977 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5978 the previous change.
5980 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5982 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5984 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5985 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5986 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5989 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5991 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5993 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5995 * c-lang.c (c_post_options): Call cpp_post_options.
5996 * objc/objc-act.c (objc_post_options): Similarly.
5997 * cppmain.c (main): Similarly.
5998 * fix-header.c (read_scan_file): Similarly.
5999 * cppinit.c (cpp_start_read): Move option consistency checks
6000 to cpp_post_options. Don't call init_dependency_output.
6001 If needed, add default target and main file dependency.
6002 (OPT_MD, OPT_MMD): Remove.
6004 (cpp_handle_option): Update for OPT_* changes.
6005 (cpp_post_options): New.
6006 (init_dependency_output): Command line -MF overrides environment
6007 variables. Don't set default target etc. Suppress output
6008 if dependencies are going to stdout.
6009 (print_help): Update.
6010 * cpplib.h (cpp_post_options): New.
6011 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
6013 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
6015 * jump.c (comparison_dominates_p): Support unordered compares.
6017 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
6019 * simplify-rtx.c (simplify_relational_operation): Always simplify
6020 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
6023 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
6025 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
6026 (nonzero_bits): Likewise.
6027 (simplify_comparison): Likewise.
6028 (num_sign_bit_copies): Likewise; return more sane value depending
6029 on STORE_FLAG_VALUE.
6030 (known_cond): Do not assume EQ to be always true for equivalent
6033 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
6035 * cse.c (fold_rtx): Handle unordered comparisons.
6037 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
6039 * rtlanal.c (set_of_1): New static function.
6040 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
6041 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
6042 reg_set_last_last_regno): Remove.
6043 (set_of): New global function.
6044 (set_of_data): New structure.
6045 (reg_set_p, reg_set_last): Revamp for set_of.
6046 * rtl.h (set_of): New.
6048 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
6050 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
6051 * extend.texi: Document _Exit builtin.
6053 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6055 * (initialize, initialize_builtins,
6056 initialize_dependency_output, initialize_standard_includes):
6057 Rename s/initialize/init. Update.
6058 (init_dependency_output): Move to after
6059 cpp_handle_options, the correct location temporally at least.
6060 (opt_comp): Move next to init (), its caller. Fix prototype.
6061 (init): Make "initialized" local scope.
6062 (cpp_create_reader): Always call init ().
6063 (cpp_start_read): Update.
6064 (output_deps): New function, broken out of cpp_finish.
6065 (cpp_finish): Break out output_deps.
6067 2001-01-07 Richard Henderson <rth@redhat.com>
6069 * collect2.c (COFF specific stuff): Revert 12-06 patch
6070 to prototype system functions.
6072 2001-01-07 Michael Hayes <mhayes@redhat.com>
6074 * hard-reg-set.h: Add multiple include guard.
6075 * basic-block.h (struct loop): Add `sink' field.
6076 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
6077 (emit_iv_add_mult): Delete.
6078 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
6079 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
6080 (unroll_loop): Remove end_insert_before argument.
6081 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
6082 (maybe_eliminate_biv_1): Likewise.
6083 (emit_iv_add_mult): Delete.
6084 (gen_add_mult, loop_regs_update): New.
6085 (loop_insn_emit_after, loop_insn_emit_before): New.
6086 (loop_insn_sink, loop_insn_sink_or_swim): New.
6087 (emit_iv_add_mult): Delete.
6088 (scan_loop): Set loop->sink.
6089 (loop_givs_reduce): Use loop_insn_sink and its ilk.
6090 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
6091 (maybe_eliminate_biv_1): Likewise.
6092 (maybe_eliminate_biv_1): Add basic block argument.
6093 * unroll.c (unroll_loop): Remove end_insert_before argument.
6094 (find_splittable_regs): Likewise.
6095 (find_splittable_regs): Use loop_insn_sink and its ilk.
6096 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
6098 2001-01-07 Michael Hayes <mhayes@redhat.com>
6100 * loop.h (loop_insn_hoist): New prototype.
6101 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
6102 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
6103 (check_dbra_loop, load_mems): Likewise.
6104 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
6105 (find_splittable_givs): Likewise.
6107 2001-01-07 Michael Hayes <mhayes@redhat.com>
6109 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
6111 2001-01-07 Richard Henderson <rth@redhat.com>
6113 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
6115 2001-01-07 Richard Henderson <rth@redhat.com>
6117 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
6118 NO_SHARED_LIBGCC_MULTILIB as required for the target.
6119 * gcc.c (init_spec): Massage the existing libgcc_spec into a
6120 variant that handles a shared libgcc.
6121 (process_command): Always validate -{static,shared}-libgcc.
6122 (do_spec_1): New 'M' case.
6123 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6125 2001-01-07 Richard Henderson <rth@redhat.com>
6127 * Makefile.in (slibdir): New variable.
6128 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6129 (installdirs): Create slibdir.
6130 (install-libgcc, install-multilib): Defer to libgcc.mk.
6131 * configure.in (slibdir): Substitute.
6132 * mklibgcc.in (install): New target.
6134 * config/t-linux (SHLIB_LINK): Create links for the soname.
6135 (SHLIB_INSTALL): New.
6136 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6137 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6138 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6139 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6140 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6142 2001-01-07 Richard Henderson <rth@redhat.com>
6144 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6145 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6146 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6148 2001-01-07 Michael Hayes <mhayes@redhat.com>
6150 * loop.c (count_loop_regs_set): Delete.
6151 (load_mems_and_recount_loop_regs_set): Delete.
6152 (loop_regs_scan): Merge common code from count_loop_regs_set,
6153 scan_loop, and load_mems_and_recount_loop_regs_set.
6154 (scan_loop): Call load_mems directly and loop_regs_scan
6155 again if new registers created.
6157 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6159 * toplev.c (main): Call the front-end specific post_options
6160 hook if one is given.
6161 * toplev.h (struct_lang_hooks, lang_hooks): New.
6162 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6163 for the C front end.
6164 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6165 lang_hooks for the C++ front end.
6166 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6167 lang_hooks for the ObjC front end.
6168 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6169 * java/lang.c (lang_hooks): Hooks for the Java front end.
6171 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6173 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6174 for verbose DWARF[2] debugging.
6175 (cb_define, cb_undef): The new callbacks.
6176 * toplev.h (debug_define, debug_undef): Make const correct.
6177 * toplev.c (debug_define, debug_undef): Similarly. Do not
6178 perform the verbosity tests here anymore.
6180 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6182 * reload.c (subst_reloads): Take INSN argument. When
6183 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6184 * reload.h (subst_reloads): Adjust prototype.
6185 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6186 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6187 present in JUMP_INSNs and copy them to JUMP_LABEL.
6188 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6189 JUMP_INSNs and insns with REG_LABELs that are followed by
6190 JUMP_INSNs with the same REG_LABEL.
6191 * sched-rgn.c (is_cfg_nonregular): Likewise.
6192 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6194 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6196 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6198 2001-01-06 Richard Henderson <rth@redhat.com>
6200 * loop.c (scan_loop): Use xcalloc for the regs array.
6201 (load_mems_and_recount_loop_regs_set): Zero the new memory
6202 received from xrealloc.
6204 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6206 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6208 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6210 * integrate.c (copy_rtx_and_substitute): When copying
6211 an ignored return value, strip REG_FUNCTION_VALUE_P.
6213 2001-01-06 Michael Hayes <mhayes@redhat.com>
6215 * loop.c (debug_biv, debug_giv): New.
6216 (loop_biv_dump): Break out from ...
6217 (record_biv): ... here.
6218 (loop_giv_dump): Break out from ...
6219 (record_giv): ... here.
6220 (loop_bivs_check): Use print_simple_rtl.
6221 * unroll.c (loop_iterations): Use print_simple_rtl.
6223 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6225 * pa.md (return, return_internal): Modify patterns to prevent regrename
6226 mucking with the return pointer.
6228 2001-01-05 Richard Henderson <rth@redhat.com>
6230 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6232 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6234 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6235 version supplied by Matteo Frigo.
6237 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6239 * cpp.texi: Update for -MQ.
6240 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6241 (cpp_cleanup): Always free pfile->deps.
6242 (initialize_dependency_output): Don't create pfile->deps.
6243 (cpp_handle_option): Similarly.
6245 * gcc.c (cpp_options): Handle -MQ.
6246 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6247 * mkdeps.c (base_name): Remove.
6248 (deps_init): Don't allocate vector space until it's needed.
6249 (deps_free): Only free vectors if allocated.
6250 (deps_add_target, deps_add_dep): Update for initial allocation.
6251 (deps_add_default_target): Don't strip to the base_name.
6253 2001-01-05 DJ Delorie <dj@redhat.com>
6255 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6256 (INIT_EXPANDERS): Define.
6258 * config/v850/v850.c (struct machine_function): Define.
6259 (v850_save_machine_status): New function.
6260 (v850_restore_machine_status): New function.
6261 (v850_return_addr): New function.
6262 (v850_init_expanders): New function.
6264 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6265 and v850_init_expanders.
6267 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6269 * cpplib.h (struct cpp_reader): Add help_only field.
6270 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6271 (cpp_handle_option): Set pfile->help_only if we see -h,
6272 --help, -target-help, or --version. Print version string but
6273 do not set help_only if we see -v or -version. Make text
6274 printed by -v match that printed by (-)-version.
6276 * cppmain.c (main): Exit after option parsing if
6277 pfile->help_only is true.
6279 * toplev.c (independent_decode_option): Call print_version,
6280 then exit, if we see --version (but not -version).
6281 (print_version): Split lengthy message into two lines.
6283 2001-01-05 Nick Clifton <nickc@redhat.com>
6285 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6286 temporary string for initialisation before calling ggc_alloc_string.
6288 2001-01-06 Michael Hayes <mhayes@redhat.com>
6290 * rtl.h (print_simple_rtl): New.
6291 * print-rtl.c (print_simple_rtl): New.
6293 (print_rtx): Disable printing of flags and modes, etc.,
6294 if `flag_simple` nonzero.
6296 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6298 * function.c (fixup_var_refs): Use push_to_full_sequence where
6301 2001-01-05 Michael Meissner <meissner@redhat.com>
6303 * flags.h (flag_reorder_blocks): Add declaration.
6304 (flag_rename_block): Ditto.
6306 2001-01-05 DJ Delorie <dj@redhat.com>
6308 * function.c (reorder_blocks): Make sure the flags are all reset
6309 before using them to mark blocks, else a second invocation will
6310 corrupt the block chain.
6311 (reorder_blocks_0): New, resets the flags.
6313 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6315 * cse.c (find_comparison_args): Stop if the argument is known to
6318 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6320 * config/sh/sh.md (movdf): When splitting load into pair of
6321 registers, don't clobber the register used in the address too
6324 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6326 * varasm.c (mark_constant_pool): Improve initial comments.
6327 (mark_constants): Move marking of constants to mark_constant.
6328 (mark_constant): New function to recursively mark all constants
6329 referred to by a constant.
6331 2001-01-05 Catherine Moore <clm@redhat.com>
6333 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6335 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6337 * cp/lang-options.h: Bring comment in line with reality.
6338 * f/lang-options.h: Likewise.
6339 * java/lang-options.h: Likewise.
6340 * objc/lang-options.h: Likewise.
6341 * ch/lang-options.h: Likewise.
6342 * f/g77.texi: And update the manual.
6344 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6345 Denis Chertykov <denisc@overta.ru>
6347 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6348 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6349 * config/avr/avr.md (all peepholes that request a scratch register):
6350 Call it, FAIL the peephole if not safe (in interrupt functions).
6352 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6354 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6356 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6358 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6360 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6361 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6362 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6363 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6364 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6366 * extend.texi: Document these builtins.
6368 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6370 * c-common.c (lang_get_alias_set): Say we know nothing of
6371 VECTOR_TYPE aliasing.
6373 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6375 2001-01-05 Bruce Korb <bkorb@gnu.org>
6377 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6378 their x* equivalent versions for atexit-less systems
6379 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6380 systems (or any other system any more).
6382 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6384 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6385 output operands. Use arm_hard_register_operand for operand 4.
6386 (stmsi_postinc): Similarly.
6387 (ldmsi): Use arm_hard_register_operand for opernand 2.
6389 * arm.c (arm_hard_register_operand): New function.
6390 * arm-protos.h (arm_hard_register_operand): Prototype it.
6392 * arm.h (HARD_REGNO_RENAME_OK): Define.
6394 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6396 * simplify-rtx.c (cfc_args): add "unordered" field.
6397 (check_fold_consts): Set unordered field.
6398 (simplify_relational_operation): Simplify the unordered
6401 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6404 * emit-rtl.c (try_split): Fix code to mark labels.
6405 * jump.c (mark_jump_label): Make global.
6406 * rtl.h (mark_jump_label): Declare.
6408 * predict.c (estimate_probability): Handle unordred comparisons.
6410 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6412 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6413 * cppinit.c (initialize_dependency_output): Update.
6414 (cpp_finish): Output dummy targets for -MP.
6416 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6417 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6418 * gcc.c (cpp_options): Update to handle -MP.
6419 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6420 to quote only the default target.
6421 (deps_phony_targets): Insert a preceding newline. Rename from
6422 deps_dummy_targets for consistency.
6425 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6427 * calls.c (emit_library_call_value_1): Support
6428 INIT_CUMULATIVE_LIBCALL_ARGS.
6429 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6431 2001-01-04 Richard Henderson <rth@redhat.com>
6433 * c-decl.c (finish_struct): Detect flexible array members
6434 used in an inappropriate context.
6435 * c-typeck.c (really_start_incremental_init): Special case
6436 constructor_max_index for zero length arrays.
6437 (pop_init_level): Allow initialization of flexible array
6438 members. Deprecate initialization of zero length arrays.
6439 Don't issue missing initializer warning for flexible array
6440 members or zero length arrays.
6441 (process_init_element): Don't dereference null DECL_SIZE.
6442 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6443 Don't abort for empty constructors. Use size_binop
6444 (output_constructor): Add commentary regarding zero length
6445 array futures. Abort if we try to initialize an array of
6446 unspecified length with a non-empty constructor in the middle
6449 * extend.texi (Zero Length): Update and clarify documentation
6450 on static initialization.
6452 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6454 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6455 with more than 32767 words of local storage.
6457 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6459 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6460 for 'abs', 'labs', and 'fabs'.
6461 (c4x_expand_builtin): Likewise.
6462 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6464 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6466 * config/sh/sh.md (prget, prset): New insn types.
6467 (return delay slot): Dont' allow prset.
6468 (call, sfunc delay slot): Don't allow prget.
6469 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6470 for prset and prget.
6472 2001-01-05 Michael Hayes <mhayes@redhat.com>
6474 * loop.h (struct loop_reg): New.
6475 (struct loop_regs): Change to use array of `struct loop_reg'.
6476 * loop.c: Replace assortment of varrays with single regs array.
6477 (count_one_set): Delete may_not_move array argument
6478 and use regs array instead. All caller's changed.
6479 (count_loop_regs_set): Delete may_not_move and single_usage
6480 arguments and use regs array instead. All caller's changed.
6481 (find_single_use_in_loop): Replace usage array argument with pointer
6482 to regs structure. All caller's changed.
6483 (loop_optimize): Delete `moved_once' array.
6485 2001-01-05 Michael Hayes <mhayes@redhat.com>
6487 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6488 Use it instead of loop_info->has_call for scanning loop mems.
6489 (check_dbra_loop): Replace loop_info->has_call test with
6490 loop_info->has_nonconst_call.
6492 2000-01-04 Matthew Hiller <hiller@redhat.com>
6494 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6497 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6499 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6500 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6502 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6504 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6505 (flag_short_double, flag_short_wchar): Define.
6506 (c_common_nodes_and_builtins): Create many tree nodes shared
6507 between C and C++ here instead of in cp/decl.c and ...
6508 * c-decl.c (init_decl_processing): ... here.
6509 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6510 (flag_short_double, flag_short_wchar): Don't define.
6511 (record_builtin_type): New function.
6512 (build_void_list_node): New function.
6513 * c-common.h (flag_short_double, flag_short_wchar,
6514 record_builtin_type, build_void_list_node): Declare.
6516 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6518 * integrate.c (expand_inline_function): Don't put a virtual
6519 register into the reg map.
6521 * function.c (fixup_var_refs_1): If force_operand didn't put
6522 the address into the target, move it there.
6524 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6526 Special-case tree_decl/tree_list allocations.
6527 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6528 (OBJECT_SIZE): New macro.
6529 (NUM_EXTRA_ORDER): Likewise.
6530 (extra_order_size_table): New variable.
6531 (NUM_ORDERS): New macro.
6532 (objects_per_page_table): New variable.
6533 (object_size_table): New variable.
6534 (G.pages): Use NUM_ORDERS to bound the array.
6535 (G.page_tails): Likewise.
6536 (DIV_ROUND_UP): Remove.
6537 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6538 (alloc_page): Use OBJECT_SIZE.
6539 (size_lookup): Don't make it const.
6540 (ggc_alloc): Use OBJECT_SIZE.
6541 (ggc_set_mark): Likewise.
6542 (ggc_get_size): Likewise.
6543 (init_ggc): Set up the object_size_table, objects_per_page_table,
6544 and adjust size_lookup.
6545 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6546 (ggc_pop_context): Use NUM_ORDERS.
6547 (clear_marks): Likewise.
6548 (sweep_pages): Likewise.
6549 (poison_pages): Likewise.
6550 (ggc_print_statistics): Use OBJECT_SIZE.
6552 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6554 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6555 Only call array_size_for_constructor if last field and array type
6556 with no upper bound.
6558 2001-01-04 Philip Blundell <philb@gnu.org>
6560 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6561 from bit 31 downwards, if this requires no more insns.
6562 (count_insns_for_constant): New helper function for above.
6564 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6566 * gencodes.c (output_predicate_decls): Remove empty initializer.
6568 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6570 * tree.c (copy_node): Remove documentation about obstacks.
6571 (buidl1): Check that nobody tries to build 2-argument nodes this
6574 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6576 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6579 * gencodes.c (output_predicate_decls): Fill empty initializer
6582 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6584 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6585 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6587 (do_include): Handle missing headers like cpp0.
6588 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6589 paths with first include pathname. Don't strcat to uninitialized
6592 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6594 * regrename.c (regrename_optimize): Don't rename from frame pointer
6595 if frame_pointer_needed.
6596 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6597 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6598 (ia64_reorg): Use it instead of scheduling if ! optimize.
6599 (errata_emit_nops): Properly call asm_noperands.
6600 (ia64_sched_reorder): Finish cycle if we see an asm.
6601 (ia64_variable_issue): Clear scheduling state after asms.
6603 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6605 * cpp.texi: Update for -MT.
6606 * cppinit.c (initialize_dependency_output): Add a default
6607 target if none has been given already.
6608 (no_tgt, OPT_MT): New.
6609 (cpp_handle_option): Handle -MT. Update -M etc.
6610 * cpplib.h (struct cpp_options): Remove deps_target.
6611 * gcc.c (cpp_options): Handle -MT.
6612 * mkdeps.c (struct deps): Move from mkdeps.h.
6613 (deps_calc_target): Rename deps_add_default_target. Add a
6614 default target if none has been specified already.
6615 * mkdeps.h (struct deps): Move to mkdeps.c.
6616 (deps_calc_target): Rename deps_add_default_target.
6618 2000-01-03 Richard Henderson <rth@redhat.com>
6620 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6622 * c-typeck.c (push_init_level): Move checks for flexible array
6623 members and zero length arrays ...
6624 (pop_init_level): ... here. Silently discard empty initializations.
6626 * varasm.c (output_constructor): Update for sizeof change to
6629 * extend.texi (Zero Length): Clarify semantics.
6631 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6633 * configure.in (tm.h): Include isns-codes.h last.
6634 * configure: Rebuilt.
6636 2001-01-03 Richard Henderson <rth@redhat.com>
6638 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6639 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6641 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6643 * tradcpp.c (main): Make sure finclude() is called with a valid
6644 indepth value while handling -include.
6646 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6648 * gencodes.c (output_predicate_decls): New function.
6650 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6651 even if it is not the first time machmode.h is #included.
6652 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6653 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6654 * gcc.texi (Copyright): Added 2001.
6656 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6658 * c-common.c (c_common_lang_init): New function. Warn if format
6659 warning options which only have effects when used with -Wformat
6660 are used without -Wformat.
6661 * c-common.h (c_common_lang_init): Declare.
6662 * c-lang.c (lang_init): Call c_common_lang_init.
6663 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6665 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6667 * configure.in: Check for the mktemp command.
6668 * configure: Regenerate.
6669 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6670 $TEMP. Create temporary files with mktemp, if available at
6671 configure time; otherwise use set -C. Remove temporary files
6674 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6676 * configure.in: Require at least texinfo 4.0. Check for whether
6677 Pod::Man is sufficiently recent to regenerate GCC manpages.
6678 * configure: Regenerate.
6679 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6681 (GENERATED_MANPAGES): Define.
6682 (generated-manpages): New target. Depend on cpp.1 as well as
6684 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6685 configure to generated-manpages or empty) rather than on the
6686 manpages directly. Remove execute permission from installed
6687 gcov.1 as well as cpp.1.
6688 * cpp.1, gcov.1: Regenerate.
6690 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6692 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6693 tree_low_cst. Allow using cmpstrsi in more cases.
6695 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6697 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6700 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6702 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6703 * Makefile.in (HOST_CFLAGS): Mention build-make.
6705 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6707 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6710 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6712 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6715 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6718 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6719 reg_base_value and reg_known_value arrays.
6720 (init_alias_analysis): Add more cases to detect known values.
6721 * sched-deps.c (deps_may_trap_p): New function.
6722 (sched_analyze_2): Use it.
6724 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6726 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6727 don't discard an ASHIFTRT if we're shifting in a wider mode.
6729 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6731 * toplev.c (rest_of_compilation): Don't print basic block information
6732 when CFG isn't up to date.
6734 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6736 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6737 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6738 (UNALIGNED_SHORT_ASM_OP): Define.
6739 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6741 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6743 * fold-const.c (fold_convert): Fix typo.
6745 2001-01-02 Richard Henderson <rth@redhat.com>
6747 * c-common.h (ASM_INPUT_P): New.
6748 * c-parse.in (asm): Set it when needed.
6749 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6750 existance of an operand.
6752 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6754 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6755 (dwarf2out_frame_debug_expr): Likewise.
6756 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6758 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6760 * i386.c (ix86_split_to_parts): Return number of part required;
6762 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6764 (ix86_split_long_move): Use number of part returned
6765 by ix86_split_to_parts
6766 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6768 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6769 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6770 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6771 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6772 (ALIGN_MODE_128): Add TFmode.
6773 (IS_STACK_MODE): Likewise.
6774 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6775 (HARD_REGNO_OK): Support TFmodes.
6776 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6777 * i386.md (scheduler definitions): Use memory operand to determine
6778 fst/fld instructions; use mode attribute to determine real mode of
6780 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6781 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6783 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6785 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6787 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6789 * expr.c (store_constructor_field): Update ALIGN before calling
6792 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6794 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6797 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6799 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6802 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6804 * c-decl.c (start_function): Don't warn on third parameter to main.
6806 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6808 * tsystem.h: Define HAVE_DECL_GETOPT.
6810 2001-01-02 Philip Blundell <pb@futuretv.com>
6812 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6815 2001-01-02 Richard Henderson <rth@redhat.com>
6817 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6819 2001-01-02 Andreas Jaeger <aj@suse.de>
6821 * c-decl.c (c_decode_option): Remove support of
6824 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6825 (W_options): Add -Wmissing-noreturn here.
6827 * flow.c: Define lang_missing_noreturn_ok_p.
6828 (check_function_return_warnings): Use it.
6830 * c-common.h: Declare lang_missing_noreturn_ok_p.
6832 * c-lang.c (c_missing_noreturn_ok_p): New function.
6833 (lang_init): Set lang_missing_noreturn_ok_p.
6835 * invoke.texi (Warning Options): Document this.
6837 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6839 * extend.texi (C++ Extensions): New node for C++ attributes;
6840 describe init_priority and com_interface.
6841 * invoke.texi: Remove -finit-priority as it now has zero effect.
6842 * install.texi: Fix xref syntax.
6843 * md.texi: Likewise.
6845 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6847 * config.gcc (sparc64-wrs-vxworks*): New case.
6848 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6850 * config/sparc/sparc.c (sparc_override_options): Do support different
6851 pointer and architecture size.
6852 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6853 (POINTERS_EXTEND_UNSIGNED): Define.
6854 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6855 (FUNCTION_MODE): Define to be Pmode.
6856 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6858 * function.c (expand_function_end): Properly handle DECL_RESULT
6859 and copy when ptr_mode != Pmode.
6860 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6862 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6864 * c-common.c (c_common_nodes_and_builtins): Set prototype
6865 parameters for __builtin_fputs, __builtin_fputc and
6866 __builtin_fwrite. Don't declare plain fputc as a builtin.
6868 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6870 * loop.c (add_label_notes): Increment the label usage count when
6871 a note is added to an insn which refers to a CODE_LABEL.
6872 * gcse.c (add_label_notes): Likewise.
6874 2001-01-01 Andreas Jaeger <aj@suse.de>
6876 * loop.c (scan_loop): Use xmalloc to allocate movables.
6878 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6880 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6881 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6882 * reload1.c (REGISTER_MOVE_COST): Likewise.
6883 * regclass.c (REGISTER_MOVE_COST): Likewise.
6884 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6885 dimension. Adjust all users.
6886 (init_reg_sets_1): Iterate on all modes.
6887 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6888 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6889 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6890 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6891 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6892 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6893 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6894 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6895 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6896 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6897 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6898 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6899 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6900 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6901 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6902 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6903 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6904 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6905 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6906 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6907 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6908 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6909 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6910 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6911 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6912 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6913 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6915 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6917 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6918 arg VARIES_P. Call it with extra arg.
6919 (true_dependence): Likewise.
6920 * rtl.h (rtx_addr_can_trap_p): Declare.
6921 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6923 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6924 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6925 pic offset table register if it's zero. All callers changed.
6926 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6928 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6930 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6931 STRING_POOL_ADDRESS_P.
6933 * config/sparc/sparc.c (input_operand): Properly test for short op.
6935 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6936 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6937 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6938 * config/sparc/elf.h: No longer include sol2.h.
6939 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6940 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6942 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6944 2001-01-01 Michael Hayes <mhayes@redhat.com>
6946 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6947 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6948 (record_initial): Likewise.
6949 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6950 (remap_split_bivs): Likewise.
6952 2001-01-01 Michael Hayes <mhayes@redhat.com>
6954 * loop.c (loop_ivs_free): New function.
6955 (strength_reduce): Break out from...
6957 2001-01-01 Michael Hayes <mhayes@redhat.com>
6959 * loop.h (struct iv): New.
6960 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6961 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6962 'reg_biv_class' fields with 'regs' and 'n_regs'.
6963 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6964 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6965 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6967 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6969 * resource.c (mark_referenced_resources): Abort() before
6970 attempting to mark a pseudo register.
6971 (mark_set_resources): Likewise.
6973 2001-01-01 Michael Hayes <mhayes@redhat.com>
6975 * loop.h (REG_IV_CLASS): New accessor macro.
6976 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6977 * unroll.c (REG_IV_CLASS): Likewise.
6979 See ChangeLog.4 for earlier changes.