1 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
4 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
6 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
9 unless anti_dependence says they are.
10 * alias.c (objects_must_conflict): If neither has a type specified,
13 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
14 David Billinghurst <David.Billinghurst@riotinto.com>
16 * config/mips/iris5.h: Change WCHAR_TYPE to int.
18 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
20 * i386.md (trunctfdf2_2): Rename missnamed pattern.
21 (*_one_bit): Remove type on the match_operand in attributes.
23 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
25 * i386.c: Commit forgotten hunk in previous patch.
26 (regclass_map): Add extended registers.
27 (dbx_register_map): Add missing frame register.
29 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
31 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
33 * i386.md (x86_sahf_1): Disable for 64bit.
34 (popsi*, pophi*): Likewise.
35 (pushqi, pushhi): Likewise.
36 (movdi, pushdi): Likewise.
37 (zero extend DImode splitter): Likewise.
38 (adddi, minusdi splitter): Likewise.
41 (mulsidi): Disable for 64bit
42 (lshift:DI/ashift:DI): Disable for 64bit.
43 (loop patterns): Likewise.
44 (call_pop, call_value_pop expanders and patterns): Likewise.
45 (prologue_get_pc): Likewise.
47 (fcmovDI pattern and splitter): Likewise.
48 (movdfcc_1_rex64): New.
50 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
52 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
53 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
54 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
55 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
56 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
57 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
58 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
59 (PUSH_ROUNDING): x86_64 rounds to 64bits.
60 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
61 (REGPARM_MAX): Set to 6 for x86_64.
62 (SSE_REGPARM_MAX): Set to 16 for x86_64.
63 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
66 * (patterns that does use upper halves): Update constraints
67 'q' to 'Q' and 'r' to 'R'.
68 (cmpqi_ext_1): Disable for 64bit.
69 (cmpqi_ext_3_insn): Likewise.
70 (movqi_extzv_1): Likewsie.
71 (addqi_ext_1): Liekwsie
72 (testqi_ext_1): Liekwsie
73 (andqi_ext_1): Liekwsie
74 (xorqi_ext_1): Liekwsie
75 (cmpqi_ext_1_rex64): New.
76 (cmpqi_ext_3_insn_rex64): Likewise.
77 (movqi_extzv_1_rex64): Likewsie.
78 (addqi_ext_1_rex64): Liekwsie
79 (testqi_ext_1_rex64): Liekwsie
80 (andqi_ext_1_rex64): Liekwsie
81 (xorqi_ext_1_rex64): Liekwsie
83 2001-03-11 Zack Weinberg <zackw@stanford.edu>
85 * configure.in: Move check for unsigned enumerated bitfields
86 to macro in aclocal.m4. Disable it for now.
87 * configure, config.in: Regenerate.
88 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
89 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
90 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
91 kind above its first use.
93 * config/xm-interix.h, config/alpha/xm-alpha.h,
94 config/i370/xm-linux.h, config/i386/xm-beos.h,
95 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
96 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
97 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
98 Don't define ONLY_INT_FIELDS under any circumstances.
100 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
102 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
103 config/sparc/xm-sysv4.h: Delete - now identical with some
105 * config.gcc (hppa targets): Replace xm-pahpux.h and
106 xm-papro.h with implicit xm-pa.h.
107 (sparc targets): Replace xm-sysv4.h with implicit or explicit
110 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
112 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
113 before reload_cse_noop_set_p.
115 2001-03-11 Zack Weinberg <zackw@stanford.edu>
117 * config.gcc: Where xm-host.h used to include another
118 xm-host.h, list the nested header directly in xm_file. Remove
119 references to deleted files. Can now use sparc/xm-sp64.h for
122 * config/xm-linux.h, config/arm/xm-linux.h,
123 config/i386/xm-dos.h, config/i386/xm-gnu.h,
124 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
125 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
126 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
127 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
130 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
131 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
132 bother to wrap #undef in #ifdef.
133 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
134 Don't include xm-linux.h.
135 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
137 * configure.in: Wrap regexps using [] in changequote block.
138 Use expr : not echo | grep. Simplify regexps.
139 * configure: Regenerate.
141 56 xm-files remain, 22 xm-arch.
143 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
145 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
146 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
147 (local_index, local_rindex): Delete, use strchr/strrchr instead.
148 (copy_object): Fix format specifier vs argument mismatch.
150 * mips-tdump.c: Make local functions static.
151 (rindex): Don't #undef.
152 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
153 (fatal, fancy_abort): Delete.
154 (read_seek): Avoid signed/unsigned compare.
156 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
158 * combine.c (try_combine): Fix error in change to try original
160 (gen_rtx_combine): Do same as gen_rtx for now.
162 2001-03-11 Zack Weinberg <zackw@stanford.edu>
164 * configure.in: AC_SUBST xm_defines.
165 * configure: Regenerate.
166 * Makefile.in: Set DEFINES=$(xm_defines) when building
169 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
171 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
172 (cpp_included, find_include_file): Update.
173 (_cpp_compare_file_date): Make else unconditional.
175 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
177 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
179 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
181 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
182 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
184 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
186 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
187 if it's a record type.
189 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
191 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
192 mingw includes slightly.
194 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
196 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
197 #undef token before poisoning it.
199 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
201 * alpha.c (check_float_value): Use memcpy, not bcopy.
203 * m32r.c (m32r_sched_reorder): Likewise.
205 * vax.c (check_float_value): Likewise.
207 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
209 * toplev.c (file_name_nondirectory): Remove.
210 * toplev.h: Similarly.
211 * dwarf2out.c (compute_section_prefix): Use lbasename instead
212 of file_name_nondirectory.
214 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
216 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
217 * mips-tfile.c: Don't #undef rindex; not used.
219 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
221 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
222 (dbx64_register_map): Declare.
223 (RETURN_ADDR_RTX): Fix for 64bit.
224 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
225 (INCOMING_FRAME_SP_OFFSET): Set to 8.
226 * i386.c (dbx64_register_map): New global array.
227 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
228 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
231 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
233 * cppfiles.c (search_from): Use lbasename.
234 * mkdeps.c (deps_add_default_target): Use lbasename.
236 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
238 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
239 xcalloc in lieu of malloc, realloc & calloc.
241 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
243 * gengenrtl.c (xmalloc): Likewise.
245 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
246 really_call_* memory allocation routines.
248 * stmt.c (check_for_full_enumeration_handling): Use
249 really_call_calloc, not calloc.
251 * system.h (really_call_malloc, really_call_calloc,
252 really_call_realloc): Define.
253 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
255 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
257 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
259 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
261 * configure: Rebuilt.
262 * configure.in: Only use `lang_requires' for languages athat are
265 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
267 * invoke.texi: Fix typo.
270 2001-03-09 Zack Weinberg <zackw@stanford.edu>
272 * configure.in: Prune nonexistent files from build_xm_file,
273 xm_file, and host_xm_file lists. Warn unless they're
275 Don't generate *config.h here.
276 AC_SUBST all variables needed to generate *config.h.
277 * configure: Regenerate.
278 * mkconfig.sh: New helper script, from code removed from
280 * Makefile.in: Zap all MALLOC variables - no longer used
281 anywhere, and malloc.c doesn't exist.
282 Substitute in variables needed to generate *config.h.
283 Stop lying about the dependencies contained in CONFIG_H and
285 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
286 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
287 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
288 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
289 $(TM_P_H), etc. as appropriate.
291 * config.gcc: Zap references to deleted files.
292 * ggc-none.c: Don't include rtl.h or tm_p.h.
294 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
295 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
296 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
297 config/i386/xm-linux.h, config/i386/xm-linux.h,
298 config/i386/xm-next.h, config/i386/xm-openbsd.h,
299 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
300 Don't include i386/xm-i386.h.
302 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
303 config/i386/xm-i386.h, config/i860/xm-i860.h,
304 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
305 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
306 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
307 Delete (empty except comments, #includes of other deleted
308 files, and macros used nowhere).
310 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
312 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
313 independent on TARGET_FLAGS.
315 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
317 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
319 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
321 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
323 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
324 LAST_REX_SSE_REG): define.
325 (enum reg_class): Add 'LEGACY_REGS'
326 (REG_CLASS_CONTENTS): Likewise; add extended registers.
327 (SSE_REGNO_P): Recognize extended registers.
328 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
329 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
330 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
331 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
332 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
333 REG_OK_FOR_STRREG_P): Remove.
334 (HI_REGISTER_NAMES): Add extended registers.
335 (ADDITIONAL_REGISTER_NAMES): Likewise.
336 (QI_REGISTER_NAMES): Add 8bit extended registers.
337 (DEBUG_REG): Support extended registers.
338 * i386.c (regclass_map): Add extended registers.
339 (dbx_register-map): Likewise.
340 (svr4_dbx_register_map): Likewise.
341 (print_reg): Support extended registers.
342 (print_operand): Support 64bit operands.
344 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
346 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
347 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
348 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
349 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
350 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
351 STACK_BOUNDARY): Set properly for 64bits.
352 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
353 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
354 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
355 (MOVE_MAX): Set to 16.
356 (MOVE_MAX_PIECES): 8 for 64bit.
357 (Pmode): Set to SImode.
359 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
361 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
363 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
365 * i386.h (mask_64bit): New constant.
366 (target_64bit): New macro.
367 (target_options): Add '64'/'32'
368 (target_default): Define.
369 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
370 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
371 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
373 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
375 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
377 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
379 * rtlanal.c (rtx_varies_p): Check operand 0 of a
380 LO_SUM unless for_alias is set.
382 2001-03-08 Stan Shebs <shebs@apple.com>
384 * objc/objc-act.c: Fix old typos in comments, add comments for
386 (hash_init): Fix file name in error message.
388 (hash_add_attr): Ditto.
389 (continue_class): Ditto.
391 2001-03-08 Bruce Korb <bkorb@gnu.org>
393 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
394 wait4() can receive the signal.
396 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
398 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
400 * fixinc/fixincl.x: Regenerate.
402 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
404 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
406 * fixinc/fixincl.x: Regenerate.
408 2001-03-08 Richard Henderson <rth@redhat.com>
410 * configure.in (HAVE_AS_LEB128): New assembler check.
411 * configure, config.in: Rebuilt.
413 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
415 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
418 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
420 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
421 references to the MAXPATHLEN macro.
423 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
424 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
427 * config/i386/xm-gnu.h, config/xm-gnu.h,
428 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
429 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
430 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
433 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
434 doing so in various xm-*.h files.
436 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
438 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
440 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
442 * configure.in (enable_shared): Support per-package shared-library
444 * configure: Rebuilt.
446 2001-03-07 David Edelsohn <edelsohn@gnu.org>
448 * rs6000.md (cr logic): Add original POWER mnemonic alternative
449 for crnot. Set operands[5] in splitter.
451 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
453 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
454 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
455 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
456 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
457 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
458 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
459 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
462 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
463 config/i370/xm-i370.h, config/i386/xm-dgux.h,
464 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
465 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
466 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
467 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
468 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
469 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
470 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
471 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
472 Delete unused and/or empty files.
474 * config.gcc: Define USG in xm_defines as appropriate. Define
475 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
476 macro. Remove deleted xm-* files from $xm_files variable.
478 2001-03-07 Tom Tromey <tromey@redhat.com>
480 * configure: Rebuilt.
481 * configure.in: Allow config-lang.in to set `lang_requires' to list
482 of other required languages.
484 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
486 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
488 (output_prologue): Use xmalloc not oballoc.
489 (output_epilog): Free a29k_first_epilogue_insn when finished.
490 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
492 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
494 * builtins.c (expand_builtin_mathfn): Check
495 flag_unsafe_math_optimizations, not flag_fast_math.
496 (expand_builtin): Likewise
497 * combine.c (combine_simplify_rtx): Likewise.
498 (simplify_if_then_else): Likewise.
499 * cse.c (fold_rtx): Likewise.
500 * flags.h: Remove flag_fast_math. Add
501 flag_unsafe_math_optimizations and flag_trapping_math.
502 * fold-const.c (negate_expr): Check
503 flag_unsafe_math_optimizations, not flag_fast_math.
504 (invert_truthvalue): Likewise.
505 (fold): Likewise. Before associating operands, check that
506 code == MULT_EXPR, not code != MULT_EXPR.
507 * ifcvt.c (noce_try_minmax): Check
508 flag_unsafe_math_optimizations, not flag_fast_math.
509 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
510 * invoke.texi: Document -funsafe-math-optimizations and
511 -fno-trapping-math. Change documentation for -ffast-math.
512 * jump.c (reversed_comparison_code_parts): Likewise.
513 (rtx_equal_for_thread_p): Likewise.
514 * optabs.c (emit_conditional_move): Likewise.
515 * simplify-rtx.c (simplify_binary_operation): Likewise.
516 (simplify_relational_operation): Likewise.
517 (simplify_ternary_operation): Likewise.
518 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
519 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
520 Add trapping-math and unsafe-math-optimizations entries to f_options.
521 (set_fast_math_flags): New, sets flags for -ffast-math.
522 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
523 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
524 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
526 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
527 (alpha_emit_conditional_move): Initialize local_fast_math to
528 flag_unsafe_math_optimizations, not flat_fast_math.
529 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
530 instead of setting flag_fast_math to 1.
531 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
533 * config/i386/i386.c (override_options): Likewise
534 * config/i386/i386.md: Likewise.
535 * config/m68k/m68k.md: Likewise.
536 * config/mips/mips.md: Likewise.
537 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
538 (rs6000_generate_compare): Likewise.
540 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
542 * Makefile.in: Set RANLIB to @RANLIB@.
545 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
547 * fixinc/inclhack.def (djgpp_wchar_h): New test.
548 * fixinc/fixincl.x: Regenerated.
550 2001-03-07 Richard Henderson <rth@redhat.com>
552 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
554 2001-03-07 Richard Henderson <rth@redhat.com>
556 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
557 of block notes and exception handling notes.
559 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
560 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
561 (compile_file): ... here.
563 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
565 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
567 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
568 config.h now. Include libiberty.h to handle alloca.
570 2001-03-06 Zack Weinberg <zackw@stanford.edu>
572 * c-parse.in (yylexname): New function, split out of _yylex.
573 (objc_rid_sans_at): New table.
574 (init_reswords): Initialize it.
575 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
576 retrieving the next token and checking it for significance as
577 an ObjC keyword or string constant.
579 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
580 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
582 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
585 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
587 * config/m68k/m68k.c (const_uint32_operand): Accept any
588 const_int on a 32-bit host.
590 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
592 * objc/objc-act.c (init_objc): Set save_lang_status,
593 restore_lang_status, and mark_lang_status.
595 2001-03-06 Krister Walfridsson <cato@df.lth.se>
597 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
599 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
601 * cppinternals.texi: Update.
603 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
605 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
606 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
607 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
608 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
609 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
610 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
611 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
612 config/i386/xm-i386.h, config/i860/xm-i860.h,
613 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
614 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
615 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
616 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
617 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
618 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
619 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
620 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
621 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
622 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
623 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
624 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
625 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
626 match the defaults provided in hwint.h.
628 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
629 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
631 * config.gcc (xm_file): Don't set to files which are deleted.
633 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
634 guard this file against these macros being undefined.
636 2001-03-06 Zack Weinberg <zackw@stanford.edu>
638 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
639 and DECL_DEFER_OUTPUT on the decl we create, before calling
640 rest_of_decl_compilation.
642 2001-03-06 Zack Weinberg <zackw@stanford.edu>
644 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
646 * configure, config.in: Regenerate.
647 * config.gcc: Remove references to deleted files.
649 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
650 genrecog.c, rtl.c: Do not use alloca anywhere.
652 * Makefile.in, build-make, system.h, config/x-interix,
653 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
654 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
655 config/arc/xm-arc.h, config/arm/xm-arm.h,
656 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
657 config/h8300/xm-h8300.h, config/i370/x-oe,
658 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
659 config/i386/x-ncr3000, config/i386/x-sco5,
660 config/i386/xm-dgux.h, config/i860/x-sysv4,
661 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
662 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
663 config/m68k/x-hp320g, config/m69k/x-mot3300,
664 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
665 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
666 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
667 config/m88k/x-sysv4, config/m88k/x-tekXD88,
668 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
669 config/mips/x-iris, config/mips/x-iris3,
670 config/mips/x-sni-svr4, config/mips/x-sysv,
671 config/mips/xm-iris6.h, config/mips/xm-mips.h,
672 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
673 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
674 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
675 config/pa/xm-papro.h, config/romp/xm-romp.h,
676 config/rs6000/x-aix31, config/rs6000/x-aix41,
677 config/rs6000/x-beos, config/rs6000/x-lynx,
678 config/rs6000/x-mach, config/rs6000/x-rs6000,
679 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
680 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
681 config/sparc/x-sysv4, config/sparc/xm-linux.h,
682 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
683 config/vax/xm-vms.h: Eradicate all references to alloca and
686 * config/xm-alloca.h, config/clipper/x-clix,
687 config/i386/xm-sysv4.h, config/i860/x-fx2800,
688 config/i860/x-sysv3, config/m88k/x-sysv3,
689 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
690 (contained only alloca related hacks).
692 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
695 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
697 * invoke.texi: Document __FAST_MATH__.
699 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
701 * crtstuff.c: Restore include of auto-host.h.
703 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
705 Put main() in a separate file, so that the language
706 front-end can use a different main().
709 * toplev.c: (main): Rename as toplev_main.
710 * toplev.h: Declare toplev_main.
711 * Makefile.in (OBJS): add toplev.o.
712 (BACKEND): remove toplev.o, add main.o.
714 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
716 * cppfiles.c (search_from): Special case the empty string.
718 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
720 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
721 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
722 strlen or strcpy; we already know the length.
723 (_cpp_compare_file_date): Similarly.
724 * cpphash.h (struct cpp_reader): Delete done_initialising.
725 (CPP_PREV_BUFFER): Delete.
726 * cppinit.c (cpp_start_read): Don't set done_initialising.
727 * cpplex.c (parse_string): Guarantee null-termination.
728 (_cpp_equiv_toklists): Remove.
729 * cpplib.c (glue_header_name): Null-terminate.
730 (do_line): Don't leak memory.
731 * cpplib.h (BT_WEAK): Delete.
732 * cppmain.c (cb_ident): Strings are now null-terminated.
734 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
736 * gcc.c (convert_filename): Append executable suffix
737 if NO_AUTO_EXE_SUFFIX is not defined.
738 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
739 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
741 2001-03-03 David O'Brien <obrien@FreeBSD.org>
743 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
744 * c-parse.gperf, c-gperf.h: Delete.
745 (c-gperf.h was accidently re-added to the CVS repo in the rev
746 1.16 commit by tromey)
748 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
750 * cpplex.c (_cpp_lex_token): Don't warn about directives in
751 macro arguments when looking for the '('.
752 * cppmacro.c (funlike_invocation_p): Set parsing_args to
753 2 when really parsing arguments; 1 when looking for '('.
754 Always restore the lexer position.
756 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
758 * longlong.h (umul_ppmm): Don't use a multiline string.
760 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
762 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
763 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
764 t_bool in declaration because pcc can't combine volatile with typedef
767 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
769 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
770 until when it is really needed.
771 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
772 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
773 * i386.md (float?i?f splitter): Don't force source operand to memory
775 (sse_movdfcc): Fix constraint.
776 (sse_movdfcc splitter): Handle properly the second alternative.
778 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
780 * cpplex.c (parse_string): Unconditionally pedwarn.
782 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
785 * cppexp.c (parse_number): Update.
786 * cpplex.c (parse_string): Pedwarn if multiline string does not
787 result from a system header's macro.
788 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
789 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
790 for function-like macros too.
791 * c-lex.c (lex_number): Update.
793 2001-03-03 Richard Henderson <rth@redhat.com>
795 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
797 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
799 * combine.c (try_combine): If split with mode-changed scratch
800 register didn't work, try the original mode.
802 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
804 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
805 * config/c4x/c4x.h: Likewise.
806 * stor-layout.c (compute_record_mode): Likewise.
807 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
809 2001-03-02 Zack Weinberg <zackw@stanford.edu>
811 * configure.in: Kill tm.h. Include the files in the $tm_file
812 list in all three of config.h, hconfig.h, tconfig.h, after the
813 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
814 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
815 * configure: Regenerate.
816 * Makefile.in (clean): Don't delete tm.h.
818 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
819 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
820 those are not defined, set SEC and FEC to 0 and 1.
821 * gcc.texi: Update to match.
823 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
824 * config/fp-bit.c, config/m68k/aux-crt2.asm,
825 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
826 Include tconfig.h, not tm.h.
828 * config/xm-lynx.h, config/xm-std32.h,
829 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
830 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
831 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
832 config/clipper/xm-clix.h, config/convex/xm-convex.h,
833 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
834 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
835 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
836 config/i386/xm-i386.h, config/i860/xm-i860.h,
837 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
838 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
839 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
840 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
841 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
842 config/pa/xm-linux.h, config/pa/xm-pa.h,
843 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
844 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
845 config/pj/xm-pj.h, config/romp/xm-romp.h,
846 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
847 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
848 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
849 config/v850/xm-v850.h, config/vax/xm-vax.h,
850 config/we32k/xm-we32k.h:
852 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
854 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
855 config/i370/xm-oe.h: Don't include tm.h. Don't define
857 * config/vax/xm-vms.h: Don't include tm.h.
859 * config/xm-lynx.h, config/avr/xm-avr.h,
860 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
861 Delete; made empty by above changes.
862 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
863 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
864 Don't include config/xm-lynx.h or tm.h.
866 * config/xm-gnu.h: Don't include fcntl.h.
867 * config/sparc/xm-lynx.h: Don't include sys/types.h and
869 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
871 2001-03-02 Richard Henderson <rth@redhat.com>
873 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
874 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
876 2001-03-02 Richard Henderson <rth@redhat.com>
878 * Makefile.in (OBJS): Add dwarf2asm.o.
879 * dwarf2asm.c, dwarf2asm.h: New files.
880 * dwarf2out.c (*): Use them.
881 (size_of_uleb128, size_of_sleb128): Remove.
882 (output_uleb128, output_sleb128): Remove.
883 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
884 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
885 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
886 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
887 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
888 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
889 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
890 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
891 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
892 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
893 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
894 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
895 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
896 (dwarf2out_frame_debug): Remove unused variables.
897 (output_loc_operands): Don't abort on 8 byte constants if
898 host integers are wide enough.
899 (output_symbolic_ref): Remove.
900 (size_of_die): Don't assume 4 byte host integers.
901 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
903 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
904 something stupid with HOST_WIDE_INT to long truncation.
905 [CONST_DOUBLE]: Likewise.
907 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
908 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
909 * config/arm/unknown-elf.h: Likewise.
910 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
911 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
912 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
913 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
914 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
915 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
916 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
917 (ASM_OUTPUT_DWARF_OFFSET): Remove.
918 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
919 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
920 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
921 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
923 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
925 * cselib.c (hash_rtx): Cast enums to unsigned int.
927 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
929 * print-rtl.c (print_rtx): Cast enums to int for comparison.
930 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
932 * c-format.c (C_STD_VER): Cast to int for comparisons.
933 (check_function_format): Cast various enums to int for &.
934 (maybe_read_dollar_number): Likewise.
935 (check_format_info): Likewise.
936 (check_format_info_main): Likewise.
937 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
938 (safe_from_p): Likewise.
939 * varasm.c (const_hash): Cast enum to int for %.
940 * emit-rtl.c (init_emit_once): Use int loop variable to work around
941 pcc enum problems with < and ++ operators.
942 * regclass.c (init_reg_sets_1): Cast enums for comparison.
943 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
944 (regclass_init): Change enum class to int to iterate over reg_classes.
945 * genrecog.c (merge_trees): Cast enums for comparison.
946 * rtl.h (GET_CODE): Cast to enum rtx_code.
947 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
948 (GET_MODE): Cast to enum machine_mode.
949 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
950 (GET_NOTE_INSN_NAME): Cast enum to int.
951 * tree.h (TREE_CODE): Cast to enum tree_code.
952 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
953 * timevar.c (timevar_print): Change loop variable id from enum to
955 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
956 * config/i386/i386.md: Use PUT_MODE for mode assignment.
957 * toplev.c (compile_file): Cast enum DFI to int.
958 (decode_d_option): Likewise.
960 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
962 * cppinit.c (append_include_chain): Mark "after" include file name list
963 as a system directory.
964 * cpp.texi: Document new behavior.
966 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
968 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
970 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
972 * cppfiles.c (struct include_file): Update.
973 (stack_include_file): Use search_from.
974 (cpp_included, find_include_file): Update.
975 (cpp_execute_include): Update. ptr->name may not be
976 null terminated. Use the new search_from member variable
978 (_cpp_compare_file_date): Similarly.
979 (search_from): New function, similiar to actual_directory.
980 (actual_directory): Delete.
981 (remap_filename): Update. loc->name may not be null terminated.
982 (struct file_name_list): Rename search_path. Update.
983 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
985 (struct cpp_reader): Remove actual_dirs.
986 * cppinit.c (struct cpp_pending): Update for renamed objects.
987 (append_include_chain, remove_dup_dir, remove_dup_dirs,
988 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
989 * cpplib.h (struct cpp_options): Similarly.
991 2001-03-01 Zack Weinberg <zackw@stanford.edu>
993 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
994 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
995 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
996 config/clipper/xm-clix.h, config/convex/xm-convex.h,
997 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
998 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
999 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1000 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1001 config/i370/xm-oe.h, config/i386/xm-aix.h,
1002 config/i386/xm-i386.h, config/i386/xm-osf.h,
1003 config/i860/xm-i860.h, config/i960/xm-i960.h,
1004 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1005 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1006 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1007 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1008 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1009 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1010 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1011 config/pj/xm-pj.h, config/romp/xm-romp.h,
1012 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1013 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1014 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1015 config/v850/xm-v850.h, config/vax/xm-vax.h,
1016 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1017 Do not define TRUE or FALSE.
1019 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1020 empty by above change.
1021 * config.gcc: Remove references to these files.
1023 * configure.in: Detect stdbool.h.
1024 * configure, config.in: Regenerate.
1025 * system.h: Include stddef.h here if available.
1026 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1027 Then set up a sensible boolean type at the very end.
1029 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1030 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1032 * hash.h: Delete 'boolean' typedef and related #undefs.
1034 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1035 all uses of 'boolean' with 'bool'.
1037 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1039 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1040 * cppexp.c (lex): Cast enums for comparison.
1041 * cppinit.c (parse_option): Cast enum for comparison.
1042 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1043 (cpp_output_token): Likewise.
1044 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1045 (cpp_avoid_paste): Cast enums for minus and comparison.
1047 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1049 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1050 field to all array elements.
1052 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1054 * cpphash.h (struct cpp_reader): Add print_version field.
1055 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1056 just set print_version and other flags as appropriate.
1057 (cpp_post_options): Print version here if print_version is set.
1059 * toplev.c (exit_after_options): New flag.
1060 (independent_decode_option): Don't exit here; just set
1062 (main): Exit after calling lang_hooks.post_options if
1063 exit_after_options is true.
1065 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1066 (merge_include_chains): Adjust comment to match code.
1068 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1070 * stringpool.c (set_identifier): New function.
1071 * tree.h: Prototype it.
1073 * c-parse.in: Kill D_YES. If compiled for objc, call
1074 save_and_forget_protocol_qualifiers from init_reswords.
1075 * objc/objc-act.c (remember_protocol_qualifiers,
1076 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1077 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1079 (save_and_forget_protocol_qualifiers): New function.
1080 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1082 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1084 * c-semantics.c (prune_unused_decls): Return error_mark_node
1085 instead of (tree) 1 to stop traversing the tree chain.
1087 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1089 Fix a problem introduced by Kenner's Feb 18 change.
1090 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1091 flag_cse_skip_blocks only temporarily, not for ever.
1093 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1095 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1096 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1098 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1099 before determining its register class.
1101 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1103 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1104 from reg 4 if current_function_calls_setjmp.
1105 (gen_nop_type): New function.
1106 (ia64_emit_nops): New function.
1107 (ia64_reorg): Call it.
1108 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1110 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1111 code not to try to optimize adds with anything but a REG destination.
1113 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1114 (INSN_PRIORITY_KNOWN): New accessor macro.
1115 * haifa-sched.c (priority): Use it instead of testing priority against
1118 2001-02-28 DJ Delorie <dj@redhat.com>
1120 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1121 since that doesn't work the way gcc wants on a generic m68k.
1123 2001-02-28 Richard Henderson <rth@redhat.com>
1125 * caller-save.c (save_call_clobbered_regs): Fix typo in
1126 comparison last change.
1128 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1130 * i386.c (pentium4_cost): New.
1131 (m_PENT4): New macro.
1132 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1133 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1134 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1135 x86_memory_mismatch_stall): Add Pentium4
1136 (x86_use_q_reg, x86_use_any_reg): Kill.
1137 (override_options): Add pentium4.
1138 (incdec_operand): Return 0 for pentium4.
1139 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1140 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1141 (TARGET_PENTIUM4): Define.
1142 (enum processor_type): Add PROCESSOR_PENTIUM4.
1143 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1144 * i386.md (attribute "cpu"): Add pentium4.
1145 * invoke.texi (march): Add pentium4.
1147 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1149 * i386.md (sse_mov?fcc*): New patterns and splitters.
1150 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1151 the SSE based conditional moves.
1153 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1155 * i386.md (attribute mode): Add "TI".
1156 (movsf_1): Add pxor support; remove constant propagation splitter.
1157 (movdf_integer): Likewise.
1158 (movdf_nointeger): Likewise.
1159 (movxf constant prop splitter): Handle all modes; update for SSE.
1160 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1161 * i386.c (standard_80387_constant_p): Rewrite.
1162 (standard_sse_constant_p): New.
1163 * i386-protos.h (standard_sse_constant_p): New.
1165 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1167 * i386.md (sse_setccsf, sse_setccdf): New.
1168 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1170 * i386.c (sse_comparison_operator): Accept the supported unordered
1171 comparses; be ready for fast_math.
1172 (print_operand): Support 'D'.
1174 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1176 * jump.c (reversed_comparison_code): Kill.
1178 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1180 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1183 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1185 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1186 add missing '%' in constraints.
1188 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1190 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1191 for HOST_BITS_PER_WIDE_INT == 32 too.
1193 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1195 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1197 (insert_save, insert_restore): New parameter save_mode.
1198 (init_caller_save): Update initialization of reg_save_code
1199 and reg_restore_code.
1200 (save_call_clobbered_regs): Compute save_modes and update calls to
1201 reg_save_code and reg_restore_code.
1202 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1203 of spill; update use of reg_restore_code.
1204 (insert_save): Likewise.
1205 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1206 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1207 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1209 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1211 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1212 noce_try_store_flag_inc, noce_try_store_flag_mask,
1213 noce_try_cmove_arith):
1214 Use reversed_comparison_code instead of reverse_comparison and
1215 can_reverse_comparison_p.
1217 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1219 * jump.c (reversed_comparison_code_parts): Allow reversal of
1220 unordered compares in -ffast-math mode; reverse ordered compares
1221 for FP even w/o -ffast-math.
1223 2001-02-27 Richard Henderson <rth@redhat.com>
1225 * print-rtl.c (print_rtx) [i]: Don't print field five on
1226 NOTEs other than NOTE_INSN_DELETED_LABEL.
1228 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1230 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1231 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1233 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1235 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1236 even if walk_subtrees is 0.
1237 * c-semantics.c (prune_unused_decls): Return a non-null value to
1238 stop traversing the tree chain.
1240 2001-02-27 DJ Delorie <dj@redhat.com>
1242 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1243 register, *then* define it as the new CFA.
1245 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1247 * pa.c (override_options): Promote -fpic to -fPIC.
1248 (legitimize_pic_address): Simplify due to removal of
1249 small PIC as a code generation option.
1250 (secondary_reload_class): Similarly.
1251 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1252 (PRINT_OPERAND_ADDRESS): Similarly.
1253 * pa.md (various patterns): Similarly.
1254 (small pic lo_sum pattern): Remove.
1256 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1259 * md.texi (min, max): Document
1261 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1263 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1264 TARGET_PARTIAL_REG_DEPENDENCY.
1265 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1267 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1269 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1271 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1273 * mips.c (mips_make_temp_file): Fix thinko in last change.
1275 2001-02-26 Jason Eckhardt <jle@redhat.com>
1277 * combine.c (known_cond): Do not reverse the condition when
1278 SMAX/UMAX is being considered and the condition is for equality
1281 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1283 2001-02-26 Philip Blundell <philb@gnu.org>
1285 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1287 * config/arm/linux-elf.h: Remove historical relics related to
1288 above configurations.
1289 * config/arm/linux-oldld.h: Delete.
1290 * config/arm/linux-elf26.h: Delete.
1292 2001-02-26 Jason Merrill <jason@redhat.com>
1294 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1296 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1297 recognize a tentative definition. Lose obsolete code.
1299 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1300 variables unless necessary, either.
1302 2001-02-25 Richard Henderson <rth@redhat.com>
1304 * ifcvt.c (struct noce_if_info): Add test_bb.
1305 (noce_get_alt_condition): New.
1306 (noce_try_minmax, noce_try_abs): New.
1307 (noce_operand_ok): New.
1308 (noce_process_if_block): Use them.
1309 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1311 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1313 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1316 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1318 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1319 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1321 (mips_asm_file_end): Free temp_filename here.
1323 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1325 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1326 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1328 * config/i386/i386.md (movstrsi): Handle FAIL case.
1330 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1332 * cppinit.c (builtin_array): Update.
1333 (init_builtins): Flag builtins to warn if redefined or
1334 undefined. Define __GXX_WEAK as a normal macro.
1335 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1336 * cpplib.h (NODE_WARN): New flag.
1337 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1338 Handle __STDC__ as a builtin only on Solaris.
1339 (warn_of_redefinition): Renamed from check_macro_definition.
1340 Reverse sense of test. Always warn if NODE_WARN.
1341 (_cpp_create_definition): Use warn_of_redefinition. Flag
1342 any macro beginning with "__STDC_" to require a mandatory
1343 warning if redefined or undefined.
1345 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1347 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1348 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1349 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1350 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1351 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1352 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1353 Don't define any of:
1354 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1355 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1356 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1357 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1358 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1360 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1361 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1364 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1365 Delete now-empty file.
1367 * alpha/vms.h: Define NEED_ATEXIT here...
1368 * alpha/xm-vms.h: ...not here.
1370 * i386/cygwin.h: Don't define PARAMS.
1371 * mips/mips.c: Don't prototype mktemp. Don't define
1372 P_tmpdir. Use make_temp_file to create temporary files.
1373 Don't be clever and delete temporary files early.
1374 * config.gcc: Drop references to deleted files. Don't define
1376 * gcc.texi: Don't mention USE_PROTOTYPES.
1378 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1380 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1381 (ix86_set_move_mem_attrs_1): Likewise.
1382 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1383 * config/i386/i386.md (movstrsi): Call it.
1385 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1387 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1388 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1389 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1390 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1392 (i750a-*-*): Error here if hosting on i750a.
1393 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1395 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1396 Remove (empty modulo comments).
1398 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1399 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1400 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1401 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1402 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1403 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1405 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1406 Remove reference to winnt.h in comment.
1407 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1409 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1411 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1412 used to set another biv.
1414 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1416 * tree.h (BLOCK_DEAD): New macro.
1417 (struct tree_block): New flag, dead_flag.
1418 * print-tree.c (print_node, case 'b'): Print missing fields.
1419 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1420 * function.c (identify_blocks): Enable test for misplaced notes.
1421 (all_blocks): Skip BLOCK_DEAD blocks.
1422 * integrate.c (integrate_decl_tree): Likewise.
1424 * errors.c (internal_error, trim_filename): New functions.
1425 (fancy_abort): Call internal_error.
1426 * errors.h (internal_error, trim_filename): New declarations.
1428 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1430 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1432 (EXTRA_CONSTRAINT): Formatting changes.
1434 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1436 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1438 2001-02-23 Per Bothner <per@bothner.com>
1440 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1441 so they can be called from java/jvspec.c.
1442 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1444 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1446 * i386.c (ix86_frame): New structure.
1447 (ix86_compute_frame_size): Kill.
1448 (ix86_compute_frame_layout): New.
1449 (ix86_save_reg): New.
1450 (ix86_can_use_return_insn_p): Use frame layout stuff.
1451 (ix86_expand_prologue): Likewise.
1452 (ix86_expand_epilogue): Likewise.
1453 (ix86_initial_elimination_offset): Likewise.
1454 (ix86_nsaved_regs): Use ix86_save_reg.
1455 (ix86_emit_save_regs): Likewise.
1457 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1459 * flow.c (find_sub_basic_blocks): New function.
1460 (split_block): Be ready for basic block introduced by CODE_LABEL.
1461 (commit_one_edge_insertion): Call find_sub_basic_block.
1463 * flow.c (make_edges): Add edge from entry for blocks starting with
1464 label having ALTERNATE_NAME
1466 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1468 * function.c (epilogue_done): Be ready for first basic block not
1469 containing PROLOGUE_END note.
1470 (reposition_prologue_and_epilogue_notes): Avoid placing
1471 PROLOGUE_END note between BASIC_BLOCK.
1473 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1475 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1477 2001-02-21 DJ Delorie <dj@redhat.com>
1479 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1480 check for current_function_has_nonlocal_goto from 1999-11-12.
1482 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1484 * diagnostic.c (trim_filename): No longer static.
1485 * toplev.h (trim_filename): Declare.
1486 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1487 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1488 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1489 (rtvec_check_failed_bounds): Likewise.
1490 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1492 * convert.c (convert_to_integer): Don't do unsigned unless result or
1493 both inputs are unsigned.
1495 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1498 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1500 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1502 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1504 * Makefile.in (resource.o): Add params.h dependence.
1505 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1506 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1507 * resource.c: Add dependence on params.h.
1508 (current_live_regs): Fix explanatory comment.
1509 (find_basic_block): Add new parameter to permit limiting search
1511 (mark_target_live_regs): Add new argument to find_basic_block call.
1512 (incr_ticks_for_insn): Likewise.
1514 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1516 * diagnostic.c (output_to_stream): Rename to
1517 output_buffer_to_stream. Loses the stream parameter.
1518 (init_output_buffer): Set diagnosic_buffer's stream.
1519 (flush_diagnostic_buffer): Adjust.
1520 (default_print_error_function): Likewise.
1521 (finish_diagnostic): Likewise.
1522 (verbatim): Likewise.
1524 * diagnostic.h (struct output_buffer): Add `stream' field.
1525 (output_buffer_attached_stream): New macro.
1527 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1529 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1530 check if either operand is divisible by C.
1531 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1532 If type is signed, consider negative numbers as well.
1534 2001-02-22 Richard Henderson <rth@redhat.com>
1536 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1537 reach .text instead of gp-relative relocs.
1538 * config/ia64/crtend.asm (.init): Likewise.
1540 2001-02-22 Andreas Jaeger <aj@suse.de>
1542 * extend.texi (C++ Attributes): Fix typo.
1544 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1546 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1547 functions, drop current_function_args_info.words test.
1548 (ia64_compute_frame_size): Mark syscall_linkage functions as
1549 using eight input registers.
1551 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1552 Bruce Korb <bkorb@gnu.org>
1554 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1555 * fixinc/README: Document how to convert sed substitutions
1556 to format style c_fix-es.
1557 * fixinc/fixincl.x: regen
1559 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1561 * gcc.c: Add comment explaining how to add a command-line option.
1562 Add title to specs language comment.
1564 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1566 * gcc.c (cc1_options): Add "-param".
1567 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1568 (option_map): Likewise.
1569 * toplev.c (display_help): Add entry for "--param".
1570 (independent_decode_option): Fix typographical error.
1572 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1573 Bernd Schmidt <bernds@redhat.com>
1574 Jan Hubicka <jh@suse.cz>
1576 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1577 (function_arg): Likewise.
1579 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1581 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1583 2001-02-21 Kazu Hirata <kazu@hxi.com>
1585 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1589 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1591 * flow.c (init_propagate_block_info): Canon address and use single_set
1592 for killing dead memory stores.
1594 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1596 * Makefile.in (reorg.o): Add params.h dependence.
1597 * params.def: Fix typographical error in comment.
1598 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1599 * params.h: Modify introductory comment.
1600 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1601 * reorg.c: Add dependence on params.h.
1602 (redundant_insn): Add parameterized throttle for search.
1603 (fill_simple_delay_slots): Add a comment explaining a variable.
1604 Move conditional out of loop, simplifying code.
1605 (fill_eager_delay_slots): Fix typographical error in comment.
1607 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1609 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1611 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1612 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1614 2001-02-21 Jason Merrill <jason@redhat.com>
1616 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1617 (struct tree_decl): Add uninlinable bitfield.
1618 * c-decl.c (duplicate_decls): Set it.
1619 * integrate.c (function_cannot_inline_p): Check it.
1621 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1622 DW_AT_MIPS_linkage_name to abstract methods.
1623 (dwarf2out_abstract_function): Emit class context before calling
1624 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1625 (gen_subprogram_die): Remove obsolete code.
1626 (gen_member_die): Don't include clones in the member list.
1627 (gen_decl_die): Emit abstract info for clone origin.
1628 * dwarfout.c (output_type): Don't include clones in the member list.
1629 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1630 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1631 DECL_ABSTRACT on a function that already has it set.
1633 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1634 (get_subprogram_die): Pass it in.
1636 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1638 * flow.c (mark_set_1): Make not_dead unsigned long. For
1639 non-pseudos, use it as a bitmask of the hard regs that
1642 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1644 * cppfiles.c: Update comments.
1645 (_cpp_read_file): Don't check for NULL filenames any more.
1646 * cppinit.c (cpp_start_read): Don't do canonicalization of
1647 in_fname and out_fname. Use the passed file name exclusively.
1648 (_cpp_handle_options): Don't treat "-" as a command line option,
1649 but as a normal filename.
1650 (_cpp_post_options): Canonicalize in_fname and out_fname.
1651 * cppmain.c (printer_init): Don't check out_fname for NULL.
1652 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1653 (init_c_lex): Update, and use "" to represent stdin to CPP.
1656 2001-02-20 Will Cohen <wcohen@redhat.com>
1658 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1659 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1660 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1663 2001-02-20 Stan Shebs <shebs@apple.com>
1665 * config/rs6000/rs6000.c (output_cbranch): Output branches
1666 on separate lines instead of using ';' to separate.
1668 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1670 * cppinit.c (set_lang): Move builtin handling to...
1671 (init_builtins): ...here.
1672 (_cpp_create_reader): Move call to set_lang.
1674 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1676 * stmt.c (expand_return): If an attempt is made to return the
1677 error_mar_node, treat the return like a return without a value.
1679 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1681 * sibcall.c (skip_copy_to_return_value): Call
1682 identify_call_return_value here, and return orig_insn if it
1683 returns zero. Hardret and softret arguments now unnecessary.
1684 (call_ends_block_p): Don't call identify_call_return_value here.
1686 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1688 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1689 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1691 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1693 * pa.c (move_operand): Accept code to load the address of a
1694 symbol out of the DLT as a valid move operand.
1695 (print_operand, case 'A'): New to handle generating a DLT
1696 reference for a LO_SUM expression.
1697 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1698 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1700 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1702 * README, cpp.texi, gcc.texi, version.c: Update version number to
1704 * cpp.1, gcov.1, gcc.1: Regenerate.
1706 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1708 * cppfiles.c (stack_include_file): Generate dependencies
1709 here, and manage include_count here too.
1710 (PRINT_THIS_DEP): Delete.
1711 (_cpp_execute_include): Do not generate dependencies here,
1712 apart from the case of a missing header. Do not manage
1714 (_cpp_read_file): Leave dependency generation to
1717 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1719 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1720 target_cpu_default. Remove dead assignment to
1723 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1725 * regclass.c (contains_reg_of_mode): Make global.
1726 (init_reg_sets): Remove contains_reg_of_mode; take into account
1727 CLASS_MAX_NREGS when looking for the proper mode.
1728 (dump_regclass): Dump only classes considered for the pseudo.
1729 (regclass): Use contains_reg_of_mode.
1731 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1733 * gcc.c (do_spec_1): 'n' for printing notices.
1734 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1736 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1738 * reg-stack.c (next_flags_user): Use current_block->end
1739 (swap_rtx_condition): Look for next user if flags don't die;
1740 give up on CALL_INSNs; use current_block->end.
1742 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1744 * sibcall.c (call_ends_block_p): New function.
1745 (optimize_sibling_and_tail_recursive_call): Use it.
1747 2001-02-18 Kazu Hirata <kazu@hxi.com>
1749 * config/h8300/h8300.md: Update copyright.
1750 (andsi3): Do not output an extra newline character.
1752 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1754 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1755 FNDECL may be unused.
1757 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1758 follow jumps after first run.
1759 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1760 it doesn't change any jumps.
1762 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1764 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1765 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1766 (mostlyclean): Corresponding changes.
1767 * rtlanal.c (hard-reg-set.h): Include.
1768 (rtx_unstable_p): Do not treat the argument pointer specially
1769 if it is not a fixed register.
1770 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1772 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1774 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1775 against last real insn in basic block.
1776 Rework to avoid gotos.
1778 * Makefile.in (gcse.o): Now includes ggc.h.
1779 * gcse.c: Include ggc.h.
1780 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1781 (try_replace_reg): Remove warning of uninitialize variable.
1782 (process_insert_insn): Call invalid_insn_p to validate insn.
1783 * recog.c (insn_invalid_p): Now global.
1784 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1785 * recog.h (insn_invalid_p): New declaration.
1787 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1789 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1790 assignments from FP constants since 'Y' output code can't handle it.
1791 (eligible_for_sibcall_delay): Likewise.
1793 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1794 Call fancy_abort directly, passing args.
1795 (print_rtl_and_abort): Now a macro, like fancy_abort.
1797 * final.c (output_operand_lossage): Use internal_error, not error.
1799 2001-02-18 Shane Nay <shane@agendacomputing.com>
1801 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1802 structure shift insns.
1804 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1806 * invoke.texi (-fsquangle): Remove documentation.
1807 (-fname-mangling-version): Likewise.
1809 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1811 * optabs.c (expand_abs): Remove reference to
1812 HAVE_contitional_arithmetic.
1813 * combine.c (simplify_set): Likewise.
1815 2001-02-18 Richard Henderson <rth@redhat.com>
1817 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1820 2001-02-18 Richard Henderson <rth@redhat.com>
1822 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1824 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1826 * reload1.c (reload_cse_simplify_set): Fix typo.
1828 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1830 * diagnostic.c (_fatal_insn): Decrement errorcount.
1832 * invoke.texi (-I): Add note avoiding use for system header files.
1834 * rtl.h (add_clobbers): Remove duplicate declaration.
1835 * recog.h (added_clobbers_hard_reg_p): New declaration.
1836 * genemit.c (struct clobber_pat): New field has_hard_reg.
1837 (gen_insn): Record if added clobbers clobber hard reg.
1838 (gen_split): Avoid unused warning if number of operands is 0.
1839 (output_added_clobbers_hard_reg_p): New function.
1842 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1844 * pa.c (hppa_expand_prologue): Simplify code storing return
1845 pointer. For large (>=8k) frames with a post_store, adjust stack
1846 pointer by 8k-64 first rather than by 64. When testing with
1847 VAL_14_BITS_P, always use the actual value rather than the value
1848 negated. Add blockage to prevent scheduling of spills before
1849 stack frame has been created.
1850 (hppa_expand_epilogue): Simplify code loading return pointer.
1851 Allow a slightly larger range for merge_sp_adjust_with_load case.
1852 When testing with VAL_14_BITS_P, always use the actual value.
1854 * pa.c (pa_adjust_insn_length): Check that block move
1855 pattern is a set before looking at operands.
1857 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1859 * fold-const.c (fold_binary_op_with_conditional_arg): New
1860 function, split out from ...
1862 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1863 conditional arms that throw exceptions.
1865 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1868 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1870 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1871 define HAVE_DECL_* to 1 to mask potential backup declarations.
1872 * configure: Regenerated.
1874 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1876 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1878 2001-02-17 Richard Henderson <rth@redhat.com>
1880 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1881 when replacing a memory load with a register.
1883 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1884 Jan Hubicka <jh@suse.cz>
1886 * recog.c (validate_replace_src_1): New.
1887 (validate_replace_src_data): Likewise.
1888 (validate_replace_src): Use note_uses.
1889 * rtl.h (note_uses): Declare.
1890 * rtlanal.c (note_uses): New.
1892 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1894 * reg-stack.c (stack_def): Make field reg unsigned.
1895 (remove_regno_note): Unsignetize parameter.
1897 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1899 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1900 shladd_operand() call.
1902 2001-02-16 Bruce Korb <bkorb@gnu.org>
1903 Rodney Brown <RodneyBrown@mynd.com>
1905 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1906 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1907 machine restrictions
1908 * fixinc/fixincl.x: regen
1910 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1912 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1914 (hash_scan_insn): Clean up calls to hash_scan_set.
1915 (compute_kill_rd): REGNO now unsigned.
1916 (try_replace_reg): Rework to use simplify_replace_rtx.
1917 (cprop_jump, cprop_cc0_jump): Likewise.
1918 (cprop_insn): Call find_reg_equal_equiv_note.
1919 Reflect changes to cprop_jump and cprop_cc0_jump.
1921 * recog.c (validate_replace_src): Replace in operands of
1922 ZERO_EXTRACT in SET_DEST.
1924 * cse.c (new_label_ref): New variable.
1925 (insert): Set it instead of recorded_label_ref.
1926 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1927 CODE_LABEL for this function, and not already in REG_LABEL note.
1929 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1931 * resource.c (mark_referenced_resources): Fix typo in introductory
1933 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1936 2001-02-16 Jason Merrill <jason@redhat.com>
1938 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1940 (gen_subprogram_die): Don't abort on seeing a second definition if
1941 the previous one was abstract. Don't replace an abstract instance
1942 in the lookup table.
1944 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1945 gen_abstract_function.
1946 * dwarf2out.h: Declare it.
1947 * toplev.c (note_outlining_of_inline_function): New fn.
1948 * toplev.h: Declare it.
1949 * integrate.c (output_inline_function): Call it.
1950 * c-decl.c (duplicate_decls): Call it when redefining an extern
1951 inline. Don't inline the new defn.
1953 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1955 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1957 * .gdbinit: Rename to gdbinit.in.
1958 * gdbinit.in: New file,
1959 * configure.in: Generate .gdbinit from gdbinit.in.
1960 * configure: Regenerated.
1961 * Makefile.in (distclean): Always remove .gdbinit.
1963 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1965 * objc/objc-act.c (start_class): Register implemented_classes with
1968 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1970 * cppfiles.c (_cpp_make_system_header): Generate a file
1973 2001-02-15 Jim Meyering <meyering@lucent.com>
1975 * Makefile.in (install-common): Don't depend on installdirs here.
1976 Instead, make each of the lang.install-common targets (e.g.,
1977 c++.install-common in cp/Make-lang.in) depend on it.
1978 (install-driver): Depend on installdirs.
1980 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1982 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1984 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1987 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1989 * invoke.texi (--param): Document.
1991 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1993 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1995 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1997 * i386.md (extendsfdf2_2): Fix constraints.
1999 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2001 * i386.md (fop_df_3 splitter): Fix operand number.
2003 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2005 * invoke.texi (-mreg-alloc): Nuke.
2006 * i386.c (ix86_reg_alloc_order, regs_allocated,
2007 order_regs_for_local_alloc): Nuke.
2008 (override_options): Kill reg_alloc code.
2009 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2010 (REG_ALLOC_ORDER): SSE goes before I387.
2011 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2012 (ix86_reg_alloc_order): Likewise.
2013 * i386-protos.h (ix86_reg_alloc_order): Kill.
2015 2001-02-14 Richard Henderson <rth@redhat.com>
2017 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2019 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2021 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2023 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2025 * i386-protos.h (ix86_memory_move_cost): Move offline.
2026 * i386.c (ix86_register_move_cost): Compute properly cost of
2027 SSE, MMX and i387 instructions.
2028 (*_cost): Add costs of SSE/MMX moves.
2029 (ix86_memory_move_cost): Move offline from ....; Likewise.
2030 * i386.h (MEMORY_MOVE_COST): .... here;
2031 (struct processor costs): Add new fields to represent costs
2034 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2036 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2037 move_cost together with Matt Kraai's fix.
2039 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2041 * Makefile.in (OBJS): Add params.o.
2043 2001-02-14 Richard Henderson <rth@redhat.com>
2044 DJ Delorie <dj@redhat.com>
2046 * jump.c (jump_optimize_1): When we delete a conditional jump
2047 preceeding a non-conditional jump to effectively the same place,
2048 make sure that the combined jump skips any clobber insns between
2051 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2053 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2055 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2057 * Makefile.in (toplev.o): Depend on params.h.
2058 (intergate.o): Likewise.
2059 (params.o): New target.
2060 * flags.h (inline_max_insns): Remove.
2061 * integrate.c: Include params.h.
2062 Use MAX_INLINE_INSNS instead of inline_max_insns.
2063 * params.c: New file.
2064 * params.h: Likewise.
2065 * params.def: Likewise.
2066 * toplev.c: Include params.h.
2067 (lang_independent_params): New variable.
2068 (decode_f_option): Use the param machinery instead of setting
2070 (independent_decode_option): Handle "--param name=value".
2071 (main): Register language-independent parameters.
2073 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2075 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2077 2001-02-14 Richard Henderson <rth@redhat.com>
2079 * regclass.c (init_reg_sets_1): Revert last two changes.
2081 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2083 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2084 (variable_size): Call put_pending_size.
2085 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2086 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2087 sizes list, put newly created SAVE_EXPR there as well.
2089 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2091 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2092 (errata_find_address_regs): load_group has only 2 entries.
2093 (errata_emit_nops): Likewise. shladd is not problematic.
2094 Clear last_group if nop was emitted.
2095 (fixup_errata): load_group has only 2 entries.
2098 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2100 * c-lex.c (lex_number): Only warn traditionally for U suffix
2101 outside system macros.
2102 * cppexp.c (parse_number): Similarly.
2103 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2104 * cppmacro.c (struct cpp_macro): New member node.
2105 (parse_args): Only warn about missing rest args if not
2107 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2108 (cpp_sys_objmacro_p): New.
2109 (_cpp_create_definition): Store the node with the macro defn.
2110 Remember if the macro is defined in a system header.
2112 2001-02-13 DJ Delorie <dj@redhat.com>
2114 * configure.in (check_languages): determine languages to check
2115 * Makefile.in (check-c++): alias for check-g++
2116 (check-f77): alias for check-g77
2117 (CHECK_TARGETS): depend on configured languages
2119 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2121 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2122 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2123 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2124 (sqrtextendsfdf2): Disable for SSE2.
2126 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2128 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2129 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2130 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2131 (sqrtextendsfdf2): Disable for SSE2.
2133 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2135 * i386.md (movsfcc_1): Support integer cmove instruction.
2136 (movdfcc_1): Likewise; new splitter.
2138 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2140 * i386.c (output_fp_compare): Support SSE.
2141 (prepare_fp_compare_args): SSE comparisons always support memory.
2142 * i386.h (TARGET_CMOVE): SSE imply cmove.
2143 * i386.md (cmp?f2): Enable for SSE too.
2144 (cmpfp_i*): Support SSE.
2146 (cmpfp_i_sse_only): New.
2147 (s*, b* fp expanters): Enable for SSE too.
2148 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2151 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2153 * regclass.c (init_reg_sets_1): Silence warning.
2155 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2157 * i386.md (sqrt?f2): Change to expander.
2158 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2160 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2162 * rtlanal.c (find_reg_equal_equiv_note): New function.
2163 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2164 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2165 * rtl.h: Add declarations for above functions.
2167 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2169 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2171 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2172 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2173 * flow.c (mark_regs_live_at_end): Likewise.
2174 (calculate_global_regs_live): Likewise.
2175 * gcse.c (compute_hash_table): Likewise.
2176 (compute_kill_rd): Likewise.
2177 * resource.c (mark_target_live_regs): Likewise.
2178 * rtl.h (INVALID_REGNUM): New macro.
2180 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2182 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2184 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2186 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2189 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2191 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2193 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2194 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2195 (fop_sf_1_sse, fop_df_1_sse): New patterns
2196 (fop_*): Disable float_extend and float patterns for SSE compilation.
2197 * i386.c (output_387_binary_op): Support SSE.
2199 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2201 * i386.md (dummy_extendsfdf2): Support SSE2
2202 (extendsfdf2): Enable if 80387 or SSE2.
2203 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2204 and no MIX_I387_SSE2
2205 (extendsfdf2_1_sse_only): New pattern.
2206 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2208 (truncdfsf2_1): Support SSE.
2209 (truncdfsf2_2): Support SSE.
2210 (truncdfsf2_2_1_sse): New pattern.
2211 (fixtruncsfsi2): Always use SSE if available.
2212 (fix_truncsfsi_sse): New pattern.
2213 (fix_truncdfsi_sse): New pattern.
2214 (floatsis?f2): Support SSE.
2215 (floatsidf2_i387): New pattern.
2216 (floatsidf2_sse): Likewise.
2218 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2220 * configure.in: Use "have_gnat" variable, not "gnat".
2221 * configure: Regenerated.
2223 * config/sparc/sparc.c (function_value): Treat all non-record
2224 aggregate types like used to treat UNION_TYPE.
2226 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2228 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2229 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2231 (MASK_MIX_SSE_I387): New.
2232 (TARGET_SSE): SSE2 imply SSE.
2233 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2234 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2235 (enum reg_class): Add new classes.
2236 (REG_CLASS_NAMES): Likewise.
2237 (REG_CLASS_CONTENTS): Likewise.
2238 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2239 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2240 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2241 (CLASS_MAX_NREGS): Use new macros.
2242 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2243 * i386.md (pushsf, movsf): Support SSE.
2244 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2245 splitters to use ANY_FP_REGNO_P.
2246 (movdf_nointeger, movdf_integer): Likewise.
2248 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2250 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2251 (try_combine): Use it.
2253 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2255 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2256 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2257 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2258 (REGISTER_MOVE_COST): Likewise.
2259 * i386-protos.h (ix86_secondary_memory_needed,
2260 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2261 * i386.c (ix86_secondary_memory_needed,
2262 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2264 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2266 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2267 (HARD_REGNO_MODE_OK): Move offline to ....
2268 * i386.c (ix86_hard_regno_mode_ok) ... here;
2269 refuse all incorrect modes.
2270 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2272 2001-02-13 Richard Henderson <rth@redhat.com>
2274 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2275 entire operator; replicate that and match_dup the operands.
2276 (cmp_ccx_arith_op_set): Likewise.
2277 (cmp_cc_arith_op_not_set): Likewise.
2278 (cmp_ccx_arith_op_not_set): Likewise.
2280 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2282 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2284 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2286 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2287 (TARGET_NO_BITFIELD_WORD): New macro.
2288 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2289 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2291 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2293 * cselib.c: New file, from simplify-rtx.c.
2294 * simplify-rtx.c: Remove cselib parts.
2295 * Makefile.in: Add cselib.o.
2297 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2299 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2300 (setup_incoming_varargs): Remove warning.
2302 * config/rs6000/rs6000.c (validate_condition_mode): When
2303 flag_fast_math, allow floating-point conditionals to be reversed.
2304 (rs6000_generate_compare): When flag_fast_math, don't generate
2305 cror operations for FP conditionals.
2307 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2309 (ASM_SPEC): Likewise.
2310 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2311 (CC1_SPEC): Likewise.
2312 (LINK_TARGET_SPEC): Likewise.
2313 (CPP_ENDIAN_SPEC): Likewise.
2314 * Makefile.in (check-consistency): New target.
2316 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2318 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2319 "return type defaults" warning for functions with return type
2321 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2322 function declarations by default rather than only when pedantic.
2324 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2326 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2329 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2331 * extend.texi (Deprecated): Deprecate new initializer lists.
2333 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2335 * mkdeps.c (deps_add_default_target): Robustify. Add
2336 basename component only.
2337 * cpp.texi (-M): Describe how default target is generated.
2338 * invoke.texi (-M): Likewise.
2340 2001-02-12 Kazu Hirata <kazu@hxi.com>
2342 * toplev.c (push_float_handler): Remove.
2343 (pop_float_handler): Remove.
2344 * toplev.h: Remove prototypes for the above functions.
2346 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2348 * c-common.c (constant_fits_type_p): New function.
2349 (convert_and_check): Use it.
2351 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2353 * Makefile.in (GXX_ABI_FLAG): Don't define.
2354 * configure.in (--enable-new-gxx-abi): Remove option.
2355 * config.in: Regenerated.
2356 * configure: Likewise.
2358 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2360 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2362 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2363 regular basic block, and arrange for all edges into it to switch
2366 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2368 * Makefile.in (distclean): Do not remove .gdbinit.
2370 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2372 * Makefile.in (gcc.o): Fix typos.
2373 (protize.o): Likewise.
2374 (unprotoize.o): Likewise.
2376 2001-02-11 Richard Henderson <rth@redhat.com>
2378 * tree.c (build1): Check for null operand in last change.
2380 2001-02-11 Richard Henderson <rth@redhat.com>
2382 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2383 (fold): Don't assume a constant isn't foldable.
2384 * tree.c (build): Set TREE_CONSTANT for an expression with no
2385 side-effects and constant operands.
2388 2001-02-10 Richard Henderson <rth@redhat.com>
2390 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2392 2001-02-10 Anthony Green <green@redhat.com>
2394 * cpp.texi (Standard Predefined): Add documentation for
2397 * c-common.c (combine_strings): Improve warning message.
2399 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2401 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2403 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2405 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2407 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2410 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2412 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2415 2001-02-09 Nick Clifton <nickc@redhat.com>
2417 * config/arm/arm.md: Change output contraint on post inc
2418 load/store multiple patterns to be a read/write contraint.
2420 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2422 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2423 .o files when using the -M options.
2425 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2426 David Edelsohn <edelsohn@gnu.org>
2428 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2429 handle DImode constants. Use one TOC entry for SImode and smaller
2430 constants, aligned properly.
2432 2001-02-08 Jason Merrill <jason@redhat.com>
2434 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2435 about the SP adjustment for saving the static chain pointer.
2436 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2437 offset when setting a temporary CFA register.
2439 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2441 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2442 powerpc-*-chorusos* .
2443 * config/rs6000/chorus.h : New file.
2444 * config/i386/chorus.h : New file.
2445 * config/sparc/chorus.h : New file.
2446 * config/sparc/t-chorus-elf : New file.
2448 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2450 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2451 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2452 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2453 (__WCHAR_TYPE__): Correct macro name.
2455 2001-02-08 Richard Henderson <rth@redhat.com>
2457 * config/i386/i386.c (ix86_frame_pointer_required): New.
2458 (ix86_setup_frame_addresses): New.
2459 (struct machine_funciton): Add accesses_prev_frame.
2460 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2461 ix86_frame_pointer_required.
2462 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2463 (SETUP_FRAME_ADDRESSES): New.
2464 * config/i386/i386-protos.h: Update.
2465 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2466 from FRAME_POINTER_REQUIRED.
2467 * config/i386/svr3gas.h: Likewise.
2468 * config/i386/sysv3.h: Likewise.
2469 * config/i386/v3gas.h: Likewise.
2471 2001-02-08 Richard Henderson <rth@redhat.com>
2473 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2474 calculation of the number of integer registers required.
2475 (function_arg_record_value): Likewise.
2477 2001-02-08 Jason Merrill <jason@redhat.com>
2479 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2480 two. Print file and line with "confused" message.
2482 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2484 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2486 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2488 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2490 * final.c (cleanup_subreg_operands): The address of a MEM can
2493 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2496 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2498 * gcc.texi (Incompatibilities): Update documentation of
2499 preprocessing numbers.
2501 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2503 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2505 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2507 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2509 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2510 * gcc.c (struct compiler): Add cpp_spec field.
2511 (input_file_compiler): New variable.
2512 (do_spec_1): Allow a particular compiler to handle `%C'
2514 (main): Store the current compiler in input_file_compiler.
2515 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2517 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2519 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2520 * cppinit.c (cpp_create_reader): Initialize them.
2521 (append_include_chain): cxx_aware arg might be unused.
2522 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2523 keywords and give them their phase 7 meaning. Pedwarn about
2524 this unless '__bool_true_false_are_defined' is defined.
2526 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2528 * lcm.c (optimize_mode_switching): Emit mode_set before the
2529 JUMP_INSN of an abnormal edge.
2531 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2533 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2534 a scheduling barrier at the end.
2536 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2538 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2540 * config/sh/sh.md (reload_outsf): Removed.
2541 (movsf_ie): Introduce constraints for FPUL loads and stores.
2542 (reload_insf): Broaden the output constraint.
2544 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2546 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2547 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2549 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2551 * final.c: Revert my previous changes.
2552 * output.h: Make profile_label_no extern.
2553 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2554 for generating label.
2556 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2558 * config/i386/djgpp.h: Add comments about standard paths.
2559 (MD_EXEC_PREFIX): Undefine before defining.
2560 (MD_STARTFILE_PREFIX): New.
2562 2001-01-30 Bruce Korb <bkorb@gnu.org>
2564 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2565 (load_file): do not rely on load_file_data() to close file pointer
2566 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2567 fixinc/inclhack.def(irix_limits_const): add test_text
2569 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2571 * cppexp.c (parse_defined): Improve diagnostics for invalid
2574 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2576 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2578 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2580 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2581 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2582 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2583 (rs6000_output_symbol_ref): New function.
2584 (output_toc): Use VTABLE_NAME_P.
2586 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2588 * print-tree.c (print_node, case PARM_DECL):
2589 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2591 * stor-layout.c (reference_types_internal): New variable.
2592 (internal_reference_types): New function.
2593 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2594 * tree.h (internal_reference_types): New declaration.
2596 * cse.c (find_best_addr): Fix typo in computing cost.
2598 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2600 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2601 and this is the sum of a pointer and a constant, we know the result
2603 (num_sign_bit_copies, case PLUS): Likewise.
2604 * explow.c (convert_memory_address): Remove opposite SUBREG.
2605 * function.c (instantiate_new_reg): New function (from common code).
2606 (instantiate_virtual_regs_1): Call it.
2607 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2608 if pointers sign- or zero-extend.
2609 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2610 If pointers extend unsigned, use inside of SUBREG.
2611 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2613 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2615 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2616 subdir of gcc_gxx_include_dir.
2617 (gcc_gxx_target_include_dir): Remove.
2619 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2621 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2622 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2623 a high-level description.
2625 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2627 * final.c: Move the declaration of profile_label_no to ...
2628 * output.h: ... here.
2629 * function.c (expand_function_start): Call PROFILE_HOOK.
2630 * config/rs6000/aix.h: Define PROFILE_HOOK.
2631 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2632 * config/rs6000/rs6000.c (output_profile_hook): Define.
2633 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2634 output_profile_hook.
2635 tm.texi : Explain new macro PROFILE_HOOK.
2637 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2639 * extend.texi (Extended Asm): Do not say that semicolon is always
2640 a valid line-breaking character for GNU assemblers. Use
2641 newline-tab as the most commonly supported syntax. Use
2642 newline-tab rather than semicolon in multi-insn examples.
2644 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2646 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2648 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2649 David Edelsohn <edelsohn@gnu.org>
2651 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2652 code for AIX, even without flag_pic.
2654 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2656 * c-typeck.c (common_type): push and pop binding level around
2657 calling common_type on function parameters.
2659 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2661 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2663 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2665 * config/mips/mips.c (override_options): Fix typo in last change.
2666 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2667 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2669 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2671 * invoke.texi (-fdump-class-layout): Document.
2672 (-fdump-translation-unit): Use `=' as filename separator.
2674 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2676 * Makefile.in (s-mlib): Don't build multilibs if
2678 (DRIVER_DEFINES): Adjust accordingly.
2680 (protoize.o): Likewise.
2681 (unprotoize.o): Likewise.
2682 * configure.in: Recognize --enable-multilib.
2684 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2686 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2688 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2689 * configure.in: Remove --enable-libstdcxx_v3 support.
2690 * configure: Regenerated.
2692 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2694 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2695 Call abort instead of fatal.
2696 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2697 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2698 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2699 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2700 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2701 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2703 * diagnostic.h (set_internal_error_function): Renamed.
2704 * toplev.h (internal_error): Renamed from fatal.
2705 (pfatal_with_name): Deleted.
2706 (fatal_io_error): Now has printf-style arguments.
2707 * diagnostic.c (pfatal_with_name): Deleted.
2708 (fatal_io_error): Rework to have args in printf-style.
2709 (set_internal_error_function): Renamed from set_fatal_function.
2710 (internal_error): Renamed from fatal.
2711 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2712 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2713 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2714 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2715 * flow.c (verify_flow_info): Likewise.
2716 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2717 * config/mips/mips.c (save_restore_insns): Likewise.
2719 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2720 * flow.c (verify_flow_info): Likewise.
2721 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2722 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2723 (avr_normalize_condition): Likewise.
2724 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2725 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2726 (limit_reload_class, double_reg_to_memory): Likewise.
2727 (print_operand_address, emit_1600_code_shift): Likewise.
2728 (gen_tst_reg, gen_compare_reg): Likewise.
2729 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2730 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2732 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2734 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2735 * objc/objc-act.c (build_ivar_chain): Likewise.
2736 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2738 * graph.c (clean_graph_dump_file): Likewise.
2739 * profile.c (init_branch_prob): Likewise.
2740 * objc/objc-act.c (objc_init): Likewise.
2742 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2743 * config/avr/avr.c (avr_override_options): Likewise.
2744 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2745 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2746 * config/h8300/h8300.c (h8300_init_once): Likewise.
2747 * config/mips/mips.c (override_options): Likewise.
2748 * config/i386/i386.c (override_options): Likewise, rework.
2749 * config/m68k/m68k.c (override_options): Likewise.
2751 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2753 * config/mips/mips.c (print_operand): Likewise.
2754 * hash.c (hash_allocate): Don't check for failure returns from
2755 obstack functions that can't fail.
2756 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2757 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2758 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2759 (get_object_reference): Likewise.
2761 2001-02-04 Nick Clifton <nickc@redhat.com>
2763 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2764 StrongARM1110, 10TDMI, and 1020T.
2766 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2768 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2770 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2772 * config/sh/sh.md (movdf load split): Pass register number to
2773 FP_OR_XD_REGISTER_P.
2775 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2777 * cppinit.c (BC): New macro.
2778 (builtin_array): Add __GXX_WEAK__.
2779 * cpplib.h (builtin_type): Add BT_WEAK.
2780 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2781 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2782 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2784 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2786 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2788 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2790 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2791 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2793 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2795 * cpphash.h: Rename ALIGN _ALIGN.
2796 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2798 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2800 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2801 compilation environment.
2802 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2803 control over location of cygwin includes and libs.
2805 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2807 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2809 2001-02-02 lars brinkhoff <lars@nocrew.org>
2811 * md.texi (Standard Names): remove reference to spur.md.
2813 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2815 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2816 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2817 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2818 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2819 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2821 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2823 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2824 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2825 number before reload.
2826 (c4x_adjust_cost): Return zero before reload.
2827 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2828 split before reload.
2830 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2832 * c4x.c (c4x_hard_regno_rename_ok): New.
2833 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2834 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2836 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2838 * diagnostic.h: Add missing "extern" in all declarations.
2840 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2842 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2843 as for gcc_gxx_include_dir.
2845 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2847 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2849 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2851 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2852 label before alignment to be used as the braf base address.
2853 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2855 (casesi_jump_2): Require at least TARGET_SH2.
2857 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2858 truncation to 32-bit doubles on -m3e and -m4-single-only.
2860 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2862 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2863 the default when building a shared object.
2864 (init_spec): Use it.
2865 * testsuite/lib/g++.exp: Include the directory where libgcc
2866 is located to the LD_LIBRARY_PATH list.
2867 * invoke.texi (-shared-libgcc): Document the cases in which
2868 GCC defaults to using the shared libgcc.
2870 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2872 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2873 unsigned is wide enough.
2875 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2876 (si_to_float): Likewise.
2877 (float_to_si, float_to_usi): Use BITS_PER_SI.
2879 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2881 * dwarf2out.c: Added explanation of abbreviations.
2882 (def_cfa_1): Added comments listing DWARF2 instructions.
2883 (cfa_temp_reg): Removed in favor of cfa_temp.
2884 (cfa_temp_value): Removed in favor of cfa_temp.
2885 (cfa_temp): New global variable.
2886 (dwarf2out_frame_debug_expr): Added extensive introductory
2887 comments explaining the function's transformations. Revised to
2888 use cfa_temp. Added some rtx checking. Generalize IOR case.
2889 (dwarf2out_frame_debug): Revised to use cfa_temp.
2890 (output_aranges): Cast as "unsigned" to avoid warning.
2891 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2892 explain which instructions must be marked.
2894 2001-02-01 Richard Henderson <rth@redhat.com>
2896 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2899 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2901 * config/sh/crt1.asm (main_k): Modified so that start calls
2902 ___setup_argv_and_call_main.
2904 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2906 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2907 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2908 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2909 * cppmacro.c (builtin_macro): Set builtin flags here.
2910 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2911 (replace_args): Clarify intent.
2912 (cpp_get_token): Macro expansion tokens get the saved flags.
2914 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2917 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2919 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2922 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2924 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2925 returns Pmode pseudo, but we need ptr_mode.
2926 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2927 Remove bogus conversions; use HOST_WIDE_INT for size.
2928 Don't use TARGET if wrong mode.
2930 * config/i386/i386.c (ix86_compute_frame_size): Allow
2931 stack_alignment_needed to be non-default even if size is zero.
2933 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2935 * (hppa_init_pic_save): Emit the pic offset table
2936 reg save after last_parm_insn.
2937 * pa.c (hppa_init_pic_save): New function.
2938 * pa.h (hppa_init_pic_save): Declare.
2939 * pa.md (call, call_value, sibcall, sibcall_value): Use
2940 the above instead of duplicated code.
2942 * pa.c (hppa_encode_label): Correct size of alloca buffer
2943 so we don't overrun it. Correct leading `*' case.
2944 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2945 need to handle `*@'.
2946 (FUNCTION_NAME_P): Likewise.
2948 2001-01-31 Richard Henderson <rth@redhat.com>
2950 * config.gcc (alpha-osf5): Use float-i128.h.
2952 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2953 * config/float-i32.h: Likewise.
2954 * config/float-i64.h: Likewise.
2955 * config/float-sh.h: Likewise.
2956 * config/float-sparc.h: Likewise.
2958 2001-01-31 DJ Delorie <dj@redhat.com>
2960 * expmed.c (extract_bit_field): allow non-integral modes if we
2961 want to extract a whole register from itself.
2963 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2965 * c-typeck.c (set_init_index): If first is equal to last, assume as
2966 if it was not a range at all.
2968 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2970 * config/fp-bit.c: Include tm.h.
2971 (float_to_si): Don't assume SImode is 32-bits wide.
2972 (float_to_usi): Likewise.
2974 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2976 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2978 (typename): Call pending_xref_error after parsing typed_typespecs.
2979 * c-decl.c (lookup_tag): Give error immediately rather than
2980 leaving it pending if the tag of the wrong type is in the same
2982 (xref_tag): Don't pedwarn for forward declarations of enum types
2984 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2987 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2989 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2991 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2993 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2994 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2996 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2998 * cpphash.h (struct cpp_reader): New saved_flags.
2999 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3000 to avoid a paste after a pasted token.
3002 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3004 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3005 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3006 Wtype_MIN instead of LONG_MIN.
3008 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3010 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3012 * fixinc/fixincl.x: Regenerated.
3013 * fixinc/inclhack.def (irix_limits_const): New definition to
3014 convert "const" to "__const" in limits.h.
3016 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3018 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3020 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3022 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3023 when register dies in the insn.
3025 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3027 * diagnostic.c (fatal): Fix word wrap.
3029 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3031 * combine.c (try_combine): Fix SUBREG setting for
3032 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3034 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3036 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3039 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3041 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3043 * toplev.c (decode_W_option): Update warn_larger_than
3044 unconditionally for each processed switch.
3046 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3048 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3050 (hppa_expand_prologue): Delete code to save pic offset table register
3051 in the function prologue.
3052 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3053 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3054 table register at the beginning of the function after the prologue.
3056 2001-01-29 lars brinkhoff <lars@nocrew.org>
3058 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3060 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3061 Jeff Law <law@redhat.com>
3063 * pa.md (return): Revise comment for trivial return.
3064 (return_internal): Non-trivial return pattern for non-PIC code.
3065 (return_internal_pic): Non-trivial return pattern for PIC code.
3066 It uses the PIC register to ensure it is restored after
3068 (epilogue): Generate appropriate return for PIC and non-PIC code.
3070 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3072 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3074 2001-01-29 DJ Delorie <dj@redhat.com>
3076 * combine.c (if_then_else_cond): Pass the correct mode to
3077 operand_subword() for constants.
3079 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3081 * config/i386/cygwin.h: Add w32api to include search. Search different
3082 directories in a cross-build environment.
3084 2001-11-29 Tim Josling <tej@melbpc.org.au>
3086 * tree.h (TYPE_STUB_DECL): Add documentation.
3088 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3090 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3091 (sdbout_field_types): Likwise. Fix use of host_integerp.
3093 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3095 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3098 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3100 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3101 to use flag_gnu_linker.
3103 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3105 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3106 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3108 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3110 * tree.c, tree.h (build_parse_node): Remove; was identical to
3112 * c-lang.c (start_cdtor), objc/objc-act.c
3113 (build_module_descriptor): Use build_nt instead of
3116 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3118 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3119 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3120 not have any upper bits set.
3122 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3124 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3126 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3128 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3130 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3132 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3133 (integer_minus_one_node): Define.
3135 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3137 * Makefile.in (bootstrap2-lean): Fix typo.
3139 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3141 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3142 : Don't set fe_value.
3143 * cpplib.h (AVOID_LPASTE): New flag.
3144 (struct cpp_hashnode): Remove fe_value.
3145 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3146 * cppmacro.c (builtin_macro): Don't set flags here.
3147 (replace_args): Set AVOID_LPASTE flag on first token of an
3148 argument, and the token following it.
3149 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3150 macro expansion, and on the token following it. Do it for
3152 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3154 2001-01-27 Richard Henderson <rth@redhat.com>
3156 * config/alpha/t-ieee: Remove multilibbing.
3157 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3159 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3161 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3163 * Makefile.in: Remove all dependencies on defaults.h.
3164 * builtins.c: Don't include defaults.h.
3165 * c-common.c: Likewise.
3166 * c-decl.c: Likewise.
3167 * c-pragma.c: Likewise.
3168 * c-typeck.c: Likewise.
3169 * combine.c: Likewise.
3171 * frame-ia64.c: Likewise.
3172 * cppexp.c: Likewise.
3173 * crtstuff.c: Likewise.
3174 * dbxout.c: Likewise.
3175 * dwarf2out.c: Likewise.
3176 * dwarfout.c: Likewise.
3177 * emit-rtl.c: Likewise.
3178 * except.c: Likewise.
3180 * final.c: Likewise.
3181 * frame-dwarf2.c: Likewise.
3182 * libgcc2.c: Likewise.
3183 * optabs.c: Likewise.
3184 * profile.c: Likewise.
3185 * sdbout.c: Likewise.
3186 * toplev.c: Likewise.
3187 * tradcif.y: Likewise.
3189 * varasm.c: Likewise.
3191 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3193 * builtins.c (expand_builtin_fputs): Use size_one_node when
3194 transforming into fwrite.
3196 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3198 * extend.texi (Attribute Syntax): New section.
3200 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3202 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3203 they didn't need fixing.
3205 2001-01-27 Janis Johnson <janis@us.ibm.com>
3207 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3209 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3210 to remove macro definitions that are duplicated from elfos.h.
3212 2001-01-27 Richard Henderson <rth@redhat.com>
3214 * config/i386/sco5gas.h: Move ...
3215 * config/usegas.h: ... here.
3216 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3218 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3220 * c-typeck.c (struct constructor_stack): Add range_stack member.
3221 (really_start_incremental_init): Clear it.
3222 (push_init_level): Save constructor_range_stack and clear it if
3223 pushing explicit braces.
3224 (pop_init_level): abort if constructor_range_stack is non-zero at
3225 explicit closing brace. Restore saved constructor_range_stack if
3228 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3230 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3231 into register was forced into memory.
3233 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3235 * Makefile.in: Remove uses of + before $(MAKE).
3237 2001-01-26 Richard Henderson <rth@redhat.com>
3239 * stmt.c (cost_table): Remove.
3240 (COST_TABLE, cost_table_initialized): New.
3241 (estimate_case_costs): Use the later instead of the former.
3242 (balance_case_nodes): Likewise.
3244 2001-01-26 Richard Henderson <rth@redhat.com>
3246 * alias.c (objects_must_conflict_p): Read-only slots may not
3247 conflict despite having the same type.
3249 2001-01-27 Michael Hayes <mhayes@redhat.com>
3251 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3253 (check_ext_dependant_givs): Initialise u_start_val and
3255 (load_mems): Make last_max_reg unsigned.
3256 (try_swap_copy_prop): Use INSN_P and initialise set.
3258 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3260 * README.AVR : Removed.
3262 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3264 * pa-64.h (text_section): Remove declaration.
3266 * pa.md (return_internal): Remove mode on PIC register use.
3268 2001-01-25 lars brinkhoff <lars@nocrew.org>
3270 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3271 ASM_CLOSE_PAREN): fix typos.
3273 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3275 * acconfig.h: Define `const' to the empty string if neither
3276 __STDC__ nor __cplusplus is defined.
3277 * config.in: Regenerated.
3279 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3281 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3282 * collect2.c (main): Delete importf. Add ".obj" file extension.
3283 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3284 (aix_std_libs): Add additional AIX libraries to skip.
3285 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3286 * config/rs6000/aix51.h: New file.
3288 2001-01-25 Michael Hayes <mhayes@redhat.com>
3290 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3291 (loop_insn_emit_before): No longer static.
3292 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3293 (loop_givs_rescan, load_mems): Likewise.
3294 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3295 (maybe_eliminate_biv_1):
3296 (move_movables): Replace emit_call_insn_before with
3297 loop_call_insn_hoist.
3298 * loop.h (loop_insn_emit_before): Add.
3299 * unroll.c (copy_loop_body): Replace emit_insn_before with
3300 loop_insn_emit_before.
3302 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3304 * diagnostic.c (fatal): Request preprocessed source.
3306 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3308 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3309 olddecl has argument types and newdecl has none, use the argument
3312 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3314 * dwarf2out.c (prefix_of): New function. Determine longest common
3315 prefix of the two arguments. The units are whole path components.
3316 (output_file_names): When adding a new directory find the one entry
3317 with the longest common prefix already in the list. Artificially
3318 generate entry if there is none for this prefix.
3319 Fix test to check whether the zeroth directory entry is used.
3321 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3323 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3324 Changed all callers. Take it into account when deciding if a
3325 previously loaded value matches.
3327 2001-01-24 Richard Henderson <rth@redhat.com>
3329 * reload.c (find_reloads_subreg_address): Fail the substitution
3330 if the resulting address is insufficiently aligned.
3332 2001-01-24 DJ Delorie <dj@redhat.com>
3334 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3335 check the original operand's mode also.
3336 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3338 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3340 * c-parse.in (cast_expr): Move compound literals from here ...
3341 (primary): ... to here. Use standard terminology "compound
3342 literal" instead of "constructor expression".
3344 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3346 * gcc.1, cpp.1: Regenerate.
3348 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3350 * calls.c (emit_library_call_value_1): Memory slot for
3351 pass-by-reference argument should have the mode of the argument,
3352 not of the pointer to it.
3354 2001-01-24 Tom Tromey <tromey@redhat.com>
3356 * gcc.texi (G++ and GCC): Mention gcj manual.
3357 (Standards): Link to section of manual mentioning gcj/Java
3360 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3362 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3363 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3364 * tradcpp.c (main): Add -imacros or -include'd dependencies
3366 * cpp.texi (-M, -MM): Document -M -include behaviour.
3368 2001-01-24 Roger Collins <roger@ProProject.com>
3370 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3372 2001-01-24 Will Cohen <wcohen@redhat.com>
3374 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3375 whether registers are 32 bits or 64 bits in size.
3377 2001-01-24 Ben Elliston <bje@redhat.com>
3379 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3381 2001-01-24 Richard Henderson <rth@redhat.com>
3383 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3384 (builtin_longjmp): Use it instead of emit_indirect_jump.
3386 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3388 * bb-reorder.c (make_reorder_chain_1): Handle case where
3389 jump edge goes to the same block as the fallthru edge.
3391 2001-01-23 Jim Wilson <wilson@redhat.com>
3393 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3394 * frame.h (__ia64_personality_v1): Add prototype.
3395 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3396 prototype form. Add void * cast to first argument to personality
3398 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3399 (asctoe113): Likewise.
3400 * config/ia64/frame-ia64.c: Include eh-common.h.
3401 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3403 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3405 (itanium_split_issue): Add prototype.
3406 (gen_nop_type): Ifdef out.
3407 (find_best_packet): Initialize best_packet.
3408 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3410 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3411 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3412 (flushrs): Add explicit stop bit at end.
3413 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3416 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3418 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3420 * libgcc2.c (__terminate_func): Make variable static.
3421 (__terminate_set_func): New function to set __terminate_func.
3422 * libgcc2.h (__terminate_func_ptr): New typedef.
3423 (__terminate_set_func): New function.
3425 2001-01-23 Richard Henderson <rth@redhat.com>
3427 * flow.c (init_propagate_block_info): Don't consider unchanging
3428 memories for dead frame store elimination.
3430 2001-01-23 Richard Henderson <rth@redhat.com>
3432 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3433 * defaults.h: ... here.
3435 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3437 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3439 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3441 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3443 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3445 * rs6000.h (rs6000_return_addr): Move prototype from here...
3446 * rs6000-protos.h (rs6000_return_addr): ...to here.
3447 (rs6000_init_expanders): Delete prototype.
3449 2001-01-23 Nick Clifton <nickc@redhat.com>
3451 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3452 (Spec Files): Document %B and %j and %. and %v3 and %M and
3453 %{S*&T} spec switches.
3455 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3457 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3459 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3460 Neil Booth <neil@daikokuya.demon.co.uk>
3462 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3463 Have -Werror make pedantic warnings errors, like the
3466 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3468 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3470 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3472 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3473 * integrate.c (expand_inline_function): Initialize them.
3474 (subst_constants): If changing COMPARE so that both its arguments
3475 will be VOIDmode and the comparison mode will be lost, note
3476 compare_mode. Use the recorded compare_mode to optimize
3479 2001-01-23 Jason Merrill <jason@redhat.com>
3481 * dwarf2out.c (new_die): Use xcalloc.
3482 (output_die): Abort rather than emit a local reference to offset 0.
3484 2001-01-17 Andrew Haley <aph@redhat.com>
3486 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3487 of a saved register; return NULL instead.
3488 (copy_reg): Take a pointer to a source register rather than a
3490 (next_stack_level): Remember the address in the stack frame of all
3492 Use the saved register pointer array as the source of the CFA.
3493 (throw_helper): Rewrite. Unwind once rather than twice and keep
3494 track of saved registers as we go.
3496 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3498 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3499 * c4x.c (c4x_legitimize_reload_address): Remove.
3500 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3501 reload address for ldp(k) insn.
3503 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3505 * pa.md (return_internal): Add a USE of the PIC register to ensure
3506 it is restored after each call.
3507 (return expander): Corresponding changes.
3509 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3511 * rs6000.h (INIT_EXPANDERS): Delete.
3512 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3513 * rs6000.c (rs6000_override_options): Call *_machine_status from
3515 (rs6000_init_expanders): ...instead of here. Delete.
3516 (rs6000_mark_machine_status): New function.
3517 (rs6000_init_machine_status): Use xcalloc.
3518 (rs6000_return_addr): Generate RTX for the return address.
3519 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3520 (rs6000_stack_info): Use it.
3522 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3524 * gthr-win32.h: Include errno.h to get a declaration for
3525 EINVAL and _mingw.h if the target is mingw32.
3527 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3529 * cpp.texi: Correct typos.
3531 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3533 * explow.c (probe_stack_range): Ensure value passed to
3534 stack_check_libfunc is ptr_mode, not Pmode.
3536 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3538 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3539 case, don't use operand_subword to calculate a SUBREG that is
3542 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3544 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3546 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3547 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3548 valid. If not replace it by equivalent insns.
3550 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3552 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3553 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3554 (c4x_U_constraint, symbolic_address_operand): Likewise.
3555 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3557 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3558 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3559 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3560 anulling slot because of silicon bug.
3561 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3563 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3565 * cppexp.c (parse_charconst): Change `mask' type to agree
3568 2001-01-21 Richard Henderson <rth@redhat.com>
3570 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3571 pic_label_name in a linkonce section.
3573 2001-01-17 Philipp Thomas <pthomas@suse.de>
3575 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3577 * configure: Regenerate.
3579 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3581 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3582 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3584 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3586 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3587 If REVERSE nonzero then condition code in X must be reversed.
3588 (encode_section_info): Optimise if/else.
3589 (avr_function_value): Fix formatting.
3591 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3592 (difficult_branch): Likewise.
3593 (rvbranch): Likewise.
3594 (difficult_rvbranch): Likewise.
3596 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3598 * config/avr/libgcc.S: Fix comment.
3600 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3602 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3604 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3606 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3608 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3610 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3611 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3612 * configure, config.in: Regenerate.
3613 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3614 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3615 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3616 (doprint.o): New rule.
3618 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3620 * c-typeck.c (digest_init): Handle boolean types as scalars.
3622 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3624 * stmt.c (expand_return): Don't return anything if size is zero.
3625 Delete redundant assignment to BYTES.
3626 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3628 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3630 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3631 the same as the default library function names.
3632 * config/avr/avr.md: Document special characters after '%'.
3633 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3634 knowing which of the call-used registers are really clobbered.
3635 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3636 New. Both quotient and remainder from one libgcc.S call.
3637 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3638 clobber as few registers as possible.
3639 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3641 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3643 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3644 context of the top of the stack.
3646 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3648 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3649 (fixup_var_refs_insns): ...here.
3651 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3653 * function.c (fixup_var_refs_insns): Break up into
3654 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3655 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3656 [loop over hash table entries].
3657 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3658 fixup_var_refs_insns_with_hash, to match above changes.
3660 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3662 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3663 (libgcc.a): Likewise.
3664 (stmp-multilib): Likewise.
3665 (STAGE2_FLAGS_TO_PASS): Likewise.
3667 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3669 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3670 temporary if no_new_pseudos.
3672 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3674 * cppinternals.texi: Update.
3676 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3678 * arm.c (arm_init_builtins): Re-enable builtins.
3680 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3682 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3683 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3684 element to be null, and always expect an EXPR_LIST.
3685 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3686 * sched-deps.c (sched_analyze_1): Likewise.
3687 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3689 * regclass.c (max_set_parallel): New variable.
3690 (reg_scan): Take it into account in computation of max_parallel.
3691 (reg_scan_mark_refs, case SET): Compute it.
3693 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3695 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3696 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3698 2001-01-19 Jason Merrill <jason@redhat.com>
3700 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3701 for the abstract instance of an inline function.
3703 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3704 J"orn Rennecke <amylaar@redhat.com>
3706 * reload1.c (move2add_note_store): Treat all registers directly or
3707 indirectly derived from a base register as members of the same set
3709 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3710 of base register into account.
3712 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3714 * alias.c (find_base_value): Recognize TRUNCATE.
3715 (record_set): In PLUS case, invalidate if other summand is also a
3718 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3720 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3721 entry to be EXPR_LIST.
3722 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3723 be an EXPR_LIST (but not null, which other code doesn't allow).
3724 (note_stores): Properly handle PARALLEL in SET.
3725 Recursively call for top-level PARALLEL.
3726 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3727 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3729 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3731 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3733 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3734 not pfile->skipping (== 0).
3736 2001-01-17 Nick Clifton <nickc@redhat.com>
3738 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3741 2001-01-17 Jim Wilson <wilson@redhat.com>
3743 * invoke.texi (IA-64 options): Improve.
3745 2001-01-17 Tom Tromey <tromey@redhat.com>
3747 * invoke.texi (Optimize Options): Use `{}' to around @samp
3750 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3752 * invoke.texi (-fno-guess-branch-probability): New option.
3754 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3756 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3757 case of making new double-word constant.
3758 Revert last change: instead just test i3_subst_into_i2.
3760 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3762 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3763 Use q constraints instead of r.
3765 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3767 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3768 (machine_function): Define.
3769 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3770 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3771 pa_free_machine_status): New functions.
3772 (override_options): Set {init,mark,free}_machine_status to above.
3773 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3774 PIC_OFFSET_TABLE_REGNUM_SAVED.
3775 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3776 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3777 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3778 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3779 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3781 2001-01-15 DJ Delorie <dj@redhat.com>
3783 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3787 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3789 * flow.c (propagate_on_insn): Make trying to delete a prologue
3790 or epilogue insn an ICE, not a warning. Allow doing this if
3791 the current function returns with stack pointer depressed.
3793 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3794 I3 having more than one SET.
3796 2001-01-16 Jim Wilson <wilson@redhat.com>
3798 * invoke.texi: Document IA-64 options.
3800 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3801 (fixup_errata): Delete TARGET_A_STEP use.
3802 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3803 (TARGET_SWITCHES): Delete -ma-step option.
3804 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3805 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3806 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3807 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3808 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3809 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3811 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3812 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3813 cmovsi_internal): Delete ! TARGET_A_STEP check.
3815 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3817 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3818 possibility to report bugs via postal mail. Change a URL and
3819 merge in a nearly duplicate statement...
3820 (Bug Reporting): ...from here.
3821 (Service): Refer to the Bug Reporting section instead of
3823 (Contributing): Remove trivial explanations concerning snapshots.
3825 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3827 * cppmain.c (general_init): Don't use ANSI prototype.
3829 2001-01-16 Tom Tromey <tromey@redhat.com>
3831 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3833 2001-01-16 Richard Henderson <rth@redhat.com>
3835 * config/i386/i386.h: Fix comment typo.
3836 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3837 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3839 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3841 * gcc.c: Revert previous -fsyntax-only-related change; move
3844 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3846 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3847 inmode after checking GET_CODE (op).
3849 2001-01-16 Richard Henderson <rth@redhat.com>
3851 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3852 (MAX_MEM_SET_LIST_LEN): New.
3853 (propagate_one_insn): Update mem_set_list_len.
3854 (invalidate_mems_from_autoinc): Likewise.
3855 (invalidate_mems_from_set): Likewise.
3856 (mark_used_regs): Likewise.
3857 (init_propagate_block_info): Likewise. Stop collecting memories
3858 when we reach MAX_MEM_SET_LIST_LEN.
3859 (mark_set_1): Likewise.
3861 2001-01-16 Richard Henderson <rth@redhat.com>
3863 * unroll.c (precondition_loop_p): Fail if no iteration
3866 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3868 * gcc.c: When -fsyntax-only is given, do not complain about
3871 2001-01-15 Richard Henderson <rth@redhat.com>
3873 * config/i386/i386.c (asm_output_function_prefix): Remove.
3874 (ix86_asm_file_end): New.
3875 (load_pic_register): Generate pic_label_name into a
3876 staticly allocated buffer.
3877 * config/i386/i386-protos.h: Update.
3878 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3879 (ASM_FILE_END): New.
3880 * config/i386/i386afe.h: New file.
3881 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3882 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3883 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3884 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3885 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3886 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3887 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3889 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3891 * Makefile.in (install-man): Remove explicit dependency on
3894 * configure.in, configure: Revert previous patch requiring perl
3897 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3899 * toplev.c (flag_guess_branch_prob): New.
3900 (f_options): Add guess-branch-probability option.
3901 (rest_of_decl_compilation): Only estimate branch probability if
3903 (main): set flag_guess_branch_prob.
3905 * flags.h (flag_guess_branch_prob): New.
3907 2001-01-15 DJ Delorie <dj@redhat.com>
3909 * gcc.texi (Makefile): Add documentation for Makefile targets.
3911 2001-01-15 Philip Blundell <philb@gnu.org>
3913 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3915 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3916 (is_pic): Delete declaration.
3917 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3918 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3919 * config/arm/arm.md (builtin_setjmp_receiver): New.
3921 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3923 * arm.c (use_return_insn): Don't try to determine the function type
3924 until after reload has completed.
3925 (arm_output_epilogue): Don't adjust the sp value recovered from the
3927 (emit_multi_reg_push): Don't record dwarf information for the pc.
3928 * arm.md (eh_epilogue): The function type may have changed, so it
3929 needs to be recalculated.
3930 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3931 unwind tables on arm/netbsd.
3933 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3935 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3936 (negated_cbranchsi4): Likewise.
3938 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3940 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3941 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3942 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3943 pass -mapcs-* options to assembler.
3944 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3945 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3946 (ASM_SPEC): Call subtarget_extra_asm_spec.
3948 2001-01-15 Andreas Jaeger <aj@suse.de>
3950 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3952 (ix86_expand_builtin): Likewise.
3954 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3955 warning about comparison between signed and unsigned.
3957 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3959 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3961 2001-01-14 Ralf Baechle <ralf@gnu.org>
3963 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3964 SUBTARGET_CPP_SPEC apropriatly.
3966 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3968 * varasm.c (make_decl_rtl): Fix typo in last change.
3970 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3972 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3973 linker supports the init_priority C++ attribute.
3974 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3975 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3976 linker does not support init_priority C++ attribute.
3978 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3980 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3982 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3984 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3985 * cp/lex.c (finish_parse): Similarly.
3986 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3987 Return the number of errors encountered.
3988 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3989 * cppmain.c (main): Don't call cpp_destroy.
3991 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3993 * configure.in: Require at least perl 5.6.0 to regenerate
3995 * configure: Regenerate.
3997 2001-01-14 Richard Henderson <rth@redhat.com>
3999 * genrecog.c (DT_veclen_ge): New.
4000 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4001 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4002 (nodes_identical_1): Handle DT_veclen_ge.
4003 (write_cond, debug_decision_2): Likewise.
4005 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4007 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4009 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4011 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4013 * cppmain.c (do_preprocessing): New function; most of the old
4015 (main): Call it to do most of the work.
4016 (cb): Move from global scope to set_callbacks ().
4017 (setup_callbacks): Get the callback pointer.
4018 (general_init, printer_init): Clean up code and comments.
4020 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4022 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4025 2001-01-14 Kazu Hirata <kazu@hxi.com>
4027 * config/h8300/h8300.c (get_shift_alg): Update comments.
4029 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4031 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4032 (alloc_page, ggc_alloc): Add casts to remove warnings.
4034 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4036 * combine.c (simplify_comparison): Don't change `code' when
4037 can't reverse comparison.
4039 2001-01-14 Richard Henderson <rth@redhat.com>
4041 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4042 update all call sites. Return true for all non-label constants.
4044 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4046 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4048 (ix86_expand_branch): Update.
4049 (ix86_expand_setcc): Update to handle multiple test conditions.
4050 (expand_int_movcc): Likewise.
4051 (expand_fp_movcc): Likewise.
4052 * i386-protos.h (ix86_expand_compare): New.
4053 * i386.md (andqi_?_slp, orqi_?_slp): New.
4054 (conditional trap expander): Update call to ix86_expand_compare.
4056 2001-01-14 Richard Henderson <rth@redhat.com>
4058 * config/vax/vax.md: Use nonimmediate_operand instead of
4059 general_operand in destinations.
4061 * config/vax/vax.md (indirect_jump): Use register_operand.
4063 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4064 * config/vax/vax.md (call_pop): Turn into an expander.
4065 (call_value_pop): Likewise.
4066 (call, call_value): New.
4068 2001-01-14 Andreas Jaeger <aj@suse.de>
4070 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4072 (ix86_fp_compare_mode): Add unused attribute.
4073 (ix86_expand_fp_movcc): Remove unused variable.
4074 (ix86_expand_builtin): Make fcode unsigned.
4076 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4077 (expand_expr): Add cast to avoid signed warning.
4078 (store_field): Likewise.
4079 (store_constructor_field): Likewise.
4080 (store_constructor): Likewise.
4081 (store_expr): Likewise.
4082 (clear_storage): Likewise.
4083 (emit_group_store): Likewise.
4084 (emit_group_load): Likewise.
4086 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4088 * c-common.c: Move format checking code to ...
4089 * c-format.c: ... here. New file. Reorder some functions and
4091 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4093 * c-common.h (decl_handle_format_attribute,
4094 decl_handle_format_arg_attribute): Declare.
4095 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4096 (c-common.o): Adjust dependencies.
4097 (c-format.o): New list of dependencies.
4099 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4101 * unroll.c (loop_iterations): If we cannot prove iteration variable
4102 is set once in each iteration, punt.
4104 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4106 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4107 (*strlenhi): Remove clobber (which was buggy) of output address.
4109 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4111 * Makefile.in (generated-manpages): Add gcc.1
4112 ($(srcdir)/gcc.1): New target.
4113 (maintainer-clean): Delete $(srcdir)/gcc.1.
4114 * gcc.texi: Add macros @gccoptlist and @gol.
4115 * invoke.texi: Include option summary in manpage. Mark up option
4116 summary with @gccoptlist and @gol. Use @r in one place where
4118 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4119 * gcc.1: Generate from invoke.texi.
4121 2001-01-13 Richard Henderson <rth@redhat.com>
4123 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4124 (struct page_entry): Add group member.
4125 (struct page_group): New.
4126 (struct globals): Add page_groups member.
4127 (alloc_anon): Only define for using mmap; remove valloc call.
4128 (page_group_index): New.
4129 (set_page_group_in_use): New.
4130 (clear_page_group_in_use): New.
4131 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4132 (free_page, release_pages): Likewise.
4133 * configure.in (with-gc): Default to ggc-page always.
4135 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4137 * reload1.c (replace_pseudos_in_call_usage): Use
4138 reg_equiv_constant and reg_equiv_address, and don't try
4139 regno_reg_rtx first.
4141 2001-01-13 Richard Henderson <rth@redhat.com>
4143 * ggc-page.c (alloc_page): Round up allocation size to one page.
4144 Set e->order on extra pages.
4146 2001-01-13 Richard Henderson <rth@redhat.com>
4148 * genrecog.c (nodes_identical): Expand commentary.
4149 (write_switch): Watch out for identical nodes.
4151 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4153 * cppfiles.c (_cpp_fake_include): New function.
4154 * cpphash.h (_cpp_fake_include): New.
4155 * cpplib.c (do_line): Call _cpp_fake_include when entering
4156 header files in preprocessed input.
4157 * cppmain.c (cb_pragma_implementation): Remove handling.
4158 (setup_callbacks): Don't register pragmas.
4160 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4162 * extend.texi: Udate for CPP.
4164 2001-01-13 Andreas Jaeger <aj@suse.de>
4166 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4168 * regmove.c: Add prototype for replace_in_call_usage.
4170 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4172 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4173 struct cpp_chunk, struct htab, struct toklist,
4174 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4175 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4176 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4177 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4178 (struct macro_args): Delete.
4179 * cpphash.h: See above.
4181 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4183 * cppmain.c (struct printer): Remove no_line_dirs.
4185 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4186 : Use options rather than CPP_OPTION.
4187 (setup_callbacks): Use cb rather than pfile->cb.
4188 (main): No need to check for a buffer. Use cpp_errors.
4189 (printer_init): Don't set no_line_dirs.
4190 (maybe_print_line): Use options not no_line_dirs.
4191 (cb_file_change): Don't call print_line if -P.
4193 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4195 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4197 * c-parse.in (finish_parse): Use cpp_errors.
4198 (__yylex): Use return value of cpp_pop_buffer.
4199 * cp/lex.c (finish_parse): Use cpp_errors.
4200 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4202 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4204 * README.AVR: URLs corrected.
4206 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4208 * c-decl.c (start_function): Don't warn if old prototype is builtin
4209 that's not in C's namespace.
4210 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4211 (_bb): Add prototype for ctime.
4212 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4214 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4216 * i386.c (ix86_fp_comparison_arithmetics_cost,
4217 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4218 ix86_fp_comparison_cost): New functions.
4219 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4220 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4221 two-branch sequences; make static.
4222 (ix86_use_fcomi_compare): Do decision according to the costs.
4223 (split_fp_branch): New.
4224 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4225 * i386-protos.h (ix86_expand_fp_compare): Remove
4226 (ix86_split_fp_branch): Declare.
4228 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4229 and ix86_comparison_operator.
4231 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4234 * i386.c (put_condition_code): Output properly the unordered/ordered
4235 compares in fp case.
4236 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4238 * tm.texi (REVERSE_CONDITION): Document.
4239 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4240 in -ffast-math mode.
4241 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4243 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4245 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4247 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4250 * config/sh/sh.c (mova_p): Fix test for mova_const.
4252 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4254 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4255 cpp_get_options rather than dereferencing pfile and using
4257 * scan-decls.c (scan_decls): Use return value of
4258 cpp_pop_buffer rather than CPP_BUFFER.
4260 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4262 * cppinit.c (cpp_handle_option): help_only is now part of the
4263 cpp_options structure.
4264 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4265 cpp_set_callbacks): New functions.
4266 * cpplib.h (cpp_callbacks): Break out as a named structure.
4267 (cpp_options): Move help_only here from cpp_reader.
4268 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4269 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4270 cpp_set_callbacks): New prototypes.
4271 * cppmain.c (main): Update for help_only.
4273 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4275 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4276 Also build and remove and install and uninstall c-tree.info and
4278 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4279 ($(srcdir)/cppinternals.info): New target.
4280 * c-tree.texi: Change file name used when makeinfo used without -o
4281 from ir.info to c-tree.info. Add info directory entry.
4282 * cppinternals.texi: Add info directory entry.
4283 * .cvsignore: Update.
4285 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4287 * c-typeck.c (store_init_value): Don't require constant initializer
4288 elements with -pedantic -std=c99.
4289 (digest_init): Change error about non-constant initializer elements
4291 (constructor_range_end): Remove.
4292 (constructor_incremental, designator_depth,
4293 designator_errorneous): New variables.
4294 (struct constructor_stack): Remove range_end, add incremental.
4295 (struct constructor_range_stack, constructor_range_stack): New.
4296 (struct initializer_stack): Add constructor_range_stack.
4297 (finish_init): Set it.
4298 (start_init): Likewise. require_constant_elements for non-static
4299 trees only if not flag_isoc99.
4300 (really_start_incremental_init): Remove constructor_range_end, add
4301 constructor_incremental.
4302 (pop_init_level): Likewise.
4303 (push_init_level): Likewise. If implicit and the subobject had some
4304 value set already, preinitialize the level with it.
4305 Warn about missing braces only if not pushing due to designators.
4306 (set_designator, push_range_stack): New functions.
4307 (set_init_label): Use them.
4308 (set_init_index): Likewise. Remove constructor_range_end.
4309 Error if designator index is outside of array bounds.
4310 (add_pending_init): Compare values of purpose index trees, not the
4311 trees themselves. Allow overwriting of already initialized element.
4312 Issue a warning if it had side-effects.
4313 (set_nonincremental_init, set_nonincremental_init_from_string): New
4315 (pending_init_member): Rename to...
4316 (find_init_member): ...this function. Call set_nonincremental_init
4317 if necessary. Compare values of purpose index trees, not the trees
4318 themselves. Return the actual value, not just non-zero if something
4320 (output_init_element): Remove checks for duplicates.
4321 If field has zero size, only check the initializer for correctness.
4322 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4323 if constructor_incremental is zero. Change error about initializers
4324 not computable at load time into pedwarn.
4325 (output_pending_init_elements): Compare bit positions, not
4326 FIELD_DECLs to take into account zero-sized fields.
4327 (process_init_element): Use constructor_range_stack to fill all
4328 ranges in the designator lists from current level up.
4329 * extend.texi: Update documentation for labeled elements.
4331 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4333 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4334 to function usage for arguments passed by reference. Optimize
4335 callee-copied arguments.
4336 * regmove.c (replace_in_call_usage): New function.
4337 (fixup_match_1): Call it.
4338 * cse.c (cse_insn): Canonicalize registers in function usage.
4339 * reload1.c (replace_pseudos_in_call_usage): New function.
4342 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4345 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4347 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4350 2001-01-12 DJ Delorie <dj@redhat.com>
4352 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4353 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4356 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4358 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4359 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4360 -std options alongside references to -ansi. Update some
4361 documentation for C99.
4362 * cpp.1: Regenerate.
4364 2001-01-12 Andreas Jaeger <aj@suse.de>
4366 * haifa-sched.c (restore_line_notes): Remove argument block B
4368 * sched-ebb.c (schedule_ebb): Change caller.
4369 * sched-rgn.c (schedule_region): Likewise.
4370 * sched-int.h (restore_line_notes): Adjust prototype.
4372 * loop.h: Remove wrong declaration of doloop_condition_get.
4374 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4376 * extend.texi: Move C++-extension-related node from the C section
4377 into the C++ section.
4379 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4381 * extend.texi: Refer to an array of pointers to functions instead
4382 of one of functions.
4384 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4385 Jan Hubicka <jh@suse.cz>
4387 * combine.c (reversed_comparison): Fix typo in last patch.
4389 (combine_reversed_comparison_code): Make static to follow
4390 prototype declaration.
4392 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4394 * install.texi: Remove misplaced duplicate entry.
4396 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4398 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4400 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4402 * final.c: (leaf_function_p): Fix typo.
4404 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4406 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4407 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4409 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4410 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4411 mmap_anon, and valloc is available.
4412 * ggc-page.c: Restructure ifdef logic to match new autoconf
4413 spec. Don't throw away the test page in init_ggc.
4415 * configure, config.in: Regenerate.
4417 2001-01-12 Michael Hayes <mhayes@redhat.com>
4419 * loop.h (total_biv_increment): Constify iv_class pointer.
4420 (struct induction): Replace `mem_mode' with `mem' rtx.
4421 * unroll.c (total_biv_increment): Constify iv_class pointer.
4422 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4423 (find_mem_givs, combine_givs_p): Likewise.
4424 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4426 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4428 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4430 (__gthread_getspecific): Ditto.
4432 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4434 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4435 put_condition_code): Convert fp comparison codes to integer
4437 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4440 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4441 * i386-protos.h (no_comparison_operator): Kill.
4443 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4445 * combine.c (REVERSIBLE_CC_MODE): Remove.
4446 (reversible_comparison_p): Remove.
4447 (combine_reversed_comparison_code): New.
4448 (reversed_comparison): New.
4449 (combine_simplify_rtx): Use
4450 combine_reversed_comparison_code/reversed_comparison instead
4451 of reversible_comparison_p.
4452 (simplify_if_then_else): Likewise.
4453 (simplify_set): Likewise.
4454 (simplify_logical): Likewise.
4455 (if_then_else_cond): Likewise.
4456 (known_cond): Likewise.
4457 (simplify_comparison): Likewise.
4459 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4461 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4462 sizeof (int) is larger than sizeof(__word__).
4464 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4466 * cppinit.c (do_includes): Fix typo.
4468 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4470 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4471 in S_REGS does not occur because not all sources are possible
4472 when a S_REGS is a destination (sometimes needs a clobber).
4473 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4474 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4475 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4476 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4477 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4478 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4479 (lshrdi_const1, lshrsi3_const16): Likewise.
4480 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4481 (*movhi_68hc12, *movqi_68hc12): Likewise.
4482 (movstrictqi): Make sure reloading in D_REGS as a destination
4485 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4487 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4489 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4491 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4492 -D, -U and -A, and don't initialize the builtins.
4493 (do_includes): Error if -include or -imacros with -fpreprocessed.
4494 * cppmain.c (cb_define, cb_undef): Unconditionally process
4496 * tradcpp.c (main): Fix typo.
4498 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4500 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4501 (read_name_map): Use IS_ABSOLUTE_PATH.
4502 * tradcpp.c (get_filename): Likewise.
4504 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4506 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4507 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4508 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4509 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4510 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4511 (cmphi_z_used): Don't use '@' for the output.
4512 (tstqi_z_used): Likewise.
4513 (cmpqi_z_used): Likewise.
4514 (one_cmplsi2): Likewise.
4516 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4518 * config/sh/sh.c (barrier_align): Recognize branch around far
4519 branch and redundant insn.
4521 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4523 * invoke.texi: Restore documentation of the drivers' switches -MD
4526 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4528 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4530 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4531 check-objc//%): Support parallel testing of multilibs.
4532 (TESTSUITEDIR): Set to testsuite by default, but override for
4534 (check-gcc, check-g++, check-g77, check-objc): Enter
4537 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4539 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4540 * sched-deps.c (deps_may_trap_p): Likewise.
4541 * basic-block.h: Remove a comment.
4542 * flow.c (PROP_POSTRELOAD): Remove.
4543 (update_life_info): Don't add it to prop_flags.
4544 (mark_set_1): Lose the code that was enabled by it.
4546 2001-01-11 Michael Hayes <mhayes@redhat.com>
4548 * flow.c (flow_call_edges_add): New.
4549 * basic_block.h (flow_call_edges_add): New.
4551 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4553 * reload1.c (move2add_note_store): Update reg_set_luid even if
4554 base reg remains the same.
4556 2001-01-10 Nick Clifton <nickc@redhat.com>
4558 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4559 machine_function structure to zero.
4560 Add prototypes for machine_status functions.
4562 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4564 * c-common.h (CTI_VOID_LIST): Remove.
4565 (void_list_node): Likewise.
4566 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4567 (void_list_node): New macro.
4568 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4569 * config/i386/i386.c (ix86_init_builtins): Likewise.
4570 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4572 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4574 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4575 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4577 * tradcpp.c: Include mkdeps.h.
4578 (deps, print_deps_phony_targets, deps_append, output_deps,
4579 init_dependency_output, output_deps): New.
4580 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4581 deps_output): Delete.
4582 (print_deps_missing_files): Rename deps_missing_files.
4583 (inhibit_output): Make global.
4584 (main): Delete inhibit_output, deps_stream, deps_target.
4585 Use mkdeps functionality in the same way as cpplib. Remove
4586 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4587 -M and -MM. Remove old handling of deps via deps_out, and
4588 old reading of environment variables.
4589 (get_filename): Update to use deps_add_dep.
4591 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4593 * output.h (make_function_rtl): Remove prototype.
4594 (make_decl_rtl): Likewise.
4595 * varasm.c (make_function_rtl): Remove.
4596 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4597 than from a third parameter.
4598 * tree.h (make_decl_rtl): Remove last parameter.
4599 * c-decl.c (builtin_function): Remove last argument in call to
4600 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4601 (start_function): Likewise.
4602 * except.c (call_get_eh_context): Likewise.
4603 * expr.c (emit_block_move): Likewise.
4604 (clear_storage): Likewise.
4605 * profile.c (output_func_start_profiler): Likewise.
4606 * toplev.c (rest_of_decl_compilation): Likewise.
4607 * objc/objc-act.c (create_builtin_decl): Likewise.
4608 (synth_module_prologue): Likewise.
4609 (generate_static_reference): Likewise.
4610 (build_selector_reference_decl): Likewise.
4611 (build_class_reference_decl): Likewise.
4612 (build_objc_string_decl): Likewise.
4613 (build_protocol_reference): Likewise.
4615 2001-01-10 Richard Henderson <rth@redhat.com>
4617 * hwint.h: Revert yesterday's change.
4619 2001-01-10 Nick Clifton <nickc@redhat.com>
4621 * function.h (save_machine_status): Delete.
4622 (restore_machine_status): Delete.
4623 Amend comment describing {init|mark|free}_machine_status.
4625 * function.c (save_machine_status): Delete.
4626 (restore_machine_status): Delete.
4627 Amend comment describing {init|mark|free}_machine_status.
4628 (push_function_context_to): Remove invocation of
4629 save_machine_status.
4630 (pop_function_context_from): Remove invocation of
4631 restore_machine_status.
4633 * emit-rtl.c (init_emit_once): Amend comment describing
4634 {init|mark|free}_machine_status.
4636 * tm.texi (Per-Function Data): New node. Describe the
4637 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4640 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4642 * cppinit.c (OPT_g): Remove.
4643 (cpp_handle_option): Update for removed -g3.
4644 (print_help): Update.
4645 * cpplib.h (struct cpp_options): Remove debug_output.
4646 * cppmain.c (setup_callbacks, cb_define): Update.
4647 * gcc.c (cpp_options): Translate -g3 to -dD.
4649 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4651 * config/i960/i960.md: Change modifier to + on the zero_extract
4652 pattern after the (rotate -2 reg) canonicalization pattern.
4654 2001-01-10 Richard Henderson <rth@redhat.com>
4656 * config/alpha/alpha.c (alpha_free_machine_status): New.
4657 (override_options): Install it.
4658 (alpha_mark_machine_status): Verify machine non-null.
4659 * config/i386/i386.c (ix86_free_machine_status): New.
4660 (override_options): Install it.
4661 (ix86_init_machine_status): Use xcalloc.
4662 (ix86_mark_machine_status): Verify machine non-null.
4663 * config/ia64/ia64.c (ia64_free_machine_status): New.
4664 (ia64_override_options): Install it.
4665 (ia64_mark_machine_status): Verify machine non-null.
4667 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4669 * function.c (instantiate_virtual_regs): Instantiate virtual
4670 registers found in CALL_INSN_FUNCTION_USAGE.
4672 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4674 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4675 equivalent to -ansi in disabling -Di386.
4677 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4679 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4681 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4683 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4685 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4687 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4689 * invoke.texi: Document that -fcond-mismatch isn't supported for
4692 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4694 * gcc.texi: Define macro gcctabopt.
4695 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4696 @command, @env and @option in some places where appropriate. Use
4697 @gcctabopt where appropriate. Put URLs and email addresses inside
4700 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4702 * gcc.c (cpp_options): Set MD file name from output
4703 filename, if specified.
4704 (suffix_subst): New static variable.
4705 (do_spec): Clear it.
4706 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4708 (give_switch): Handle suffix_subst.
4710 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4712 * invoke.texi: Fix another typo.
4714 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4716 * invoke.texi: Fix typo.
4718 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4720 * c-lang.c (lang_hooks): Update.
4721 (lang_decode_option): Remove.
4722 (lang_init_options): Rename c_init_options.
4723 * toplev.c (main): Use lang_hooks for lang_init_options
4724 and lang_decode_option.
4725 * toplev.h (lang_hooks): Add 2 new hooks.
4726 * tree.h: Remove lang_init_options and lang_decode_option.
4727 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4728 * cp/decl2.c: Similarly.
4729 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4730 (lang_hooks): Update.
4731 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4733 (lang_init_options): Rename ffe_init_options.
4734 (lang_hooks): Update.
4735 (lang_decode_option): Remove.
4736 * java/lang.c (lang_init_options): Rename java_init_options.
4737 (lang_decode_option): Rename java_decode_option.
4738 (lang_hooks): Update.
4739 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4740 (lang_decode_option): Rename objc_decode_option.
4741 (lang_hooks): Update.
4743 2001-01-09 Nick Clifton <nickc@redhat.com>
4745 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4746 (d30v_return_addr_rtx): Delete.
4747 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4748 cfun->machine structure.
4749 (struct machine_function): Move to d30v.h
4750 (d30v_save_machine_status): Delete.
4751 (d30v_restore_machine_status): Delete.
4752 (d30v_init_machine_status): New Function.
4753 (d30v_mark_machine_status): New Function.
4754 (d30v_free_machine_status): New Function.
4755 (d30v_init_expanders): Use new functions.
4756 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4757 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4758 d30v_return_addr_rtx.
4760 * config/d30v/d30v.h (struct_machine): Move here.
4761 Add eh_epilogue_sp_ofs field.
4763 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4764 field in cfun->machine structure.
4766 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4768 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4769 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4770 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4772 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4774 * objc/lang-options.h: Remove bogus reference to
4777 2001-01-09 Kazu Hirata <kazu@hxi.com>
4779 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4782 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4784 * reload.c (find_reloads_address): Check for eliminable registers
4785 when substituting a constant expression for a pseudo.
4787 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4789 * c-common.c (enum format_type): Add format_type_error.
4790 (decode_format_type): New function.
4791 (decl_attributes): Use it.
4792 (format_kind_info): Adjust comment.
4794 2001-01-09 David O'Brien <obrien@BSDi.com>
4796 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4797 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4799 * config/i386/gnu.h: Don't include required platform specific .h files,
4800 tm.h will do it instead.
4801 * config/i386/i386elf.h: Likewise.
4802 * config/i386/linux.h: Likewise.
4803 * config/i386/moss.h: Likewise.
4804 * config/mips/gnu.h: Likewise.
4806 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4808 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4809 (rs6000-ibm-aix3.[01]*): Likewise.
4810 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4811 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4812 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4813 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4814 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4815 (powerpc-*-eabiaix*): Likewise.
4816 (powerpc-*-eabisim*): Likewise.
4817 (powerpc-*-elf*): Likewise.
4818 (powerpc-*-eabi*): Likewise.
4819 (powerpc-*-rtems*): Likewise.
4820 (powerpc-*-linux*libc1): Likewise.
4821 (powerpc-*-linux*): Likewise.
4822 (powerpc-wrs-vxworks*): Likewise.
4823 (powerpcle-wrs-vxworks*): Likewise.
4824 (powerpcle-*-sysv*): Likewise.
4825 (powerpcle-*-elf*): Likewise.
4826 (powerpcle-*-eabisim*): Likewise.
4827 (powerpcle-*-eabi*): Likewise.
4828 (powerpcle-*-solaris2*): Likewise.
4829 * config/rs6000/aix31.h: Delete includes.
4830 * config/rs6000/aix3newas.h: Likewise.
4831 * config/rs6000/aix41.h: Likewise.
4832 * config/rs6000/aix43.h: Likewise.
4833 * config/rs6000/beos.h: Likewise.
4834 * config/rs6000/rtems.h: Likewise.
4835 * config/rs6000/sysv4.h: Likewise.
4837 2001-01-09 Kazu Hirata <kazu@hxi.com>
4839 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4840 Change an argument mode of machine_mode to shift_mode of
4841 shift_mode. Remove an extra error check.
4842 (emit_a_shift): Adopt to the new calling prototype of
4844 (function_prologue): Fix code for a monitor
4845 function. Support H8/S.
4846 (function_epilogue): Do not output pop for a monitor function.
4848 2001-01-09 Nick Clifton <nickc@redhat.com>
4850 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4851 (setup_incoming_varargs): Use sysv_varargs_p field of the
4852 cfun->machine structure.
4853 (struct machine_function): Move to rs6000.h
4854 (rs6000_save_machine_status): Delete.
4855 (rs6000_restore_machine_status): Delete.
4856 (rs6000_init_machine_status): New Function.
4857 (rs6000_free_machine_status): New Function.
4858 (rs6000_init_expanders): Use new functions.
4860 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4862 (struct machine_function): Move here.
4864 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4865 sysv_varargs_p field of the cfun->machine structure.
4867 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4869 (rs6000_restore_machine_status): Remove prototype.
4871 2001-01-09 Richard Henderson <rth@redhat.com>
4873 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4874 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4875 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4876 (sched_analyze_2, sched_analyze_insn): Likewise.
4877 (sched_analyze, init_deps): Likewise.
4878 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4879 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4880 (compute_block_backward_dependences): Update propagate_deps call.
4882 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4884 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4886 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4888 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4889 (cpp_handle_option): Handle them.
4890 (cpp_post_options): Ensure one of -M or -MM is specified with
4891 any other -M? option.
4892 (init_dependency_output): Suppress output with -MG.
4894 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4897 * invoke.texi: Update.
4899 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4901 * sh.md (reload_outsf): Generate recognizable patterns for
4904 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4906 * c-lang.c (lang_hooks): Update.
4907 (lang_init): Rename c_init.
4908 (lang_finish): Remove.
4909 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4911 * toplev.h (lang_hooks): Add init () and finish ().
4912 * tree.h (lang_init, lang_finish): Remove.
4913 * cp/tree.h (lang_init, lang_finish): Remove.
4914 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4915 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4917 (lang_init, lang_finish): Remove.
4918 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4919 (lang_hooks): Update.
4920 * java/lang.c (lang_init): Rename java_init.
4921 (lang_finish): Remove.
4922 (lang_hooks): Update.
4923 * objc/objc-act.c (lang_init): Rename objc_init.
4924 (lang_finish): Remove.
4925 (lang_hoooks): Update.
4927 20001-01-09 Graham Stott <grahams@redhat.com>
4929 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4930 after `ptr` is initialised.
4932 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4934 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4935 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4936 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4937 stack adjusts, instead of r3.
4939 2001-01-09 Michael Hayes <mhayes@redhat.com>
4941 * flow.c (flow_loop_scan): Break out of ...
4942 (flow_loops_find) ... here.
4943 * basic-block.h (flow_loop_scan): New.
4944 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4945 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4947 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4949 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4951 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4952 realloc()ing macro_buffer.
4954 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4955 if it's wider than long and the target's long is wider than the
4958 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4960 Remove support for using UWIN as a host machine.
4961 * configure.in: Issue an error message.
4962 * configure: Regenerated.
4963 * config.gcc: Remove xm_* UWIN configury.
4964 * config/i386/xm-uwin.h: Remove.
4966 2001-01-08 Nick Clifton <nickc@redhat.com>
4968 * config/v850/v850.c (ra_rtx): Delete.
4969 (v850_save_machine_status): Delete.
4970 (v850_restore_machine_status): Delete.
4971 (v850_init_machine_status): New function.
4972 (v850_mark_machine_status): New function.
4973 (v850_free_machine_status): New function.
4974 (v850_return_addr): Use ra_rtx field in machine structure.
4975 (v850_init_expanders): Use new functions.
4977 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4978 * config/v850/v850.c: Change arguments to v850_output+* functions
4979 to take a const char *, to avoid compile time warning.
4980 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4981 (USER_LABEL_PREFIX): Redefine.
4983 2000-01-08 Jim Wilson <wilson@redhat.com>
4985 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4986 1 to unsigned HOST_WIDE_INT before left shift.
4988 2001-01-08 Nick Clifton <nickc@redhat.com>
4990 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4991 the machine structure has been allocated.
4992 (arm_free_machine_status): New function: Free the machine
4993 specific function structure.
4995 2001-01-08 Richard Henderson <rth@redhat.com>
4997 * jump.c (simplejump_p): Revert last change.
4999 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5001 * cppinit.c (init): Rename init_library.
5002 (cpp_create_reader): Update.
5003 * gcc.c (cpp_options): If -o given, use it as the target of
5006 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5008 * arm.c (arm_arch5e): New variable.
5009 (all_cores): XScale is a 5TE device.
5010 (arm_override_options): Set arm_arch5e.
5011 (arm_init_builtins): __builtin_prefetch is in arch5e.
5012 * arm.h (arm_arch5e): Declare it.
5014 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5016 * arm.md (define_constants): Add defines for UNSPEC and
5017 UNSPEC_VOLATILE insns. Update all users.
5018 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5019 * arm.c (multi_register_push, note_invalid_constants)
5020 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5021 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5022 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5024 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5026 * jump.c (jump_optimize_1): Use reversed_comparison_code
5027 instead of can_reverse_comparison_p.
5028 (jump_back_p): Likewise.
5029 (invert_exp_1): Likewise.
5030 (thread_jumps): Likewise.
5031 * simplify-rtx.c (simplify_unary_operation): Likewise.
5032 (simplify_ternary_operation): Likewise.
5033 * cse.c (find_comparison_args): Convert to use
5034 can_reverse_comparison_p.
5035 (record_jump_equiv): Likewise.
5037 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5039 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5040 (EPILOGUE_USES): Define.
5041 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5042 automatically stack the LR if it isn't live.
5044 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5046 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5049 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5051 * ggc-page.c (max_alignment): New structure.
5052 (MAX_ALIGNMENT): New macro.
5053 (init_ggc): Use it to round up the sizes in the
5054 extra_order_size_table.
5056 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5058 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5061 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5063 * builtins.def (BUILT_IN_FPRINTF): New entry.
5065 * c-common.c (c_expand_builtin_fprintf): New function.
5066 (init_function_format_info): Handle __builtin_fprintf.
5067 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5068 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5070 * c-decl.c (duplicate_decls): Adjust comment.
5072 * extend.texi (fprintf): Document new builtin.
5074 2001-01-07 Richard Henderson <rth@redhat.com>
5076 * jump.c (simplejump_p): Recognize any single_set jump
5079 2001-01-07 Richard Henderson <rth@redhat.com>
5081 * configure.in (slibdir): Accept an --with-slibdir option.
5082 Use "test" not "[" in configure. Default to $(libdir).
5084 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5086 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5087 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5088 (SHLIB_LINK): Create links for the soname.
5089 * config/mips/t-iris6: Likewise.
5090 * config/sparc/t-slibgcc: Likewise.
5091 * config/sparc/t-slibgcc-sld: Likewise.
5093 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5095 * config/i386/i386.c (constant_call_address_operand): Accept
5096 (const (plus (symbol_ref) (const_int))).
5097 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5098 constant_call_address_operand.
5100 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5102 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5103 and LONG_LONG_TYPE_SIZE > 32.
5105 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5107 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5108 the previous change.
5110 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5112 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5114 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5115 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5116 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5119 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5121 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5123 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5125 * c-lang.c (c_post_options): Call cpp_post_options.
5126 * objc/objc-act.c (objc_post_options): Similarly.
5127 * cppmain.c (main): Similarly.
5128 * fix-header.c (read_scan_file): Similarly.
5129 * cppinit.c (cpp_start_read): Move option consistency checks
5130 to cpp_post_options. Don't call init_dependency_output.
5131 If needed, add default target and main file dependency.
5132 (OPT_MD, OPT_MMD): Remove.
5134 (cpp_handle_option): Update for OPT_* changes.
5135 (cpp_post_options): New.
5136 (init_dependency_output): Command line -MF overrides environment
5137 variables. Don't set default target etc. Suppress output
5138 if dependencies are going to stdout.
5139 (print_help): Update.
5140 * cpplib.h (cpp_post_options): New.
5141 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5143 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5145 * jump.c (comparison_dominates_p): Support unordered compares.
5147 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5149 * simplify-rtx.c (simplify_relational_operation): Always simplify
5150 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5153 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5155 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5156 (nonzero_bits): Likewise.
5157 (simplify_comparison): Likewise.
5158 (num_sign_bit_copies): Likewise; return more sane value depending
5159 on STORE_FLAG_VALUE.
5160 (known_cond): Do not assume EQ to be always true for equivalent
5163 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5165 * cse.c (fold_rtx): Handle unordered comparisons.
5167 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5169 * rtlanal.c (set_of_1): New static function.
5170 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5171 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5172 reg_set_last_last_regno): Remove.
5173 (set_of): New global function.
5174 (set_of_data): New structure.
5175 (reg_set_p, reg_set_last): Revamp for set_of.
5176 * rtl.h (set_of): New.
5178 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5180 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5181 * extend.texi: Document _Exit builtin.
5183 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5185 * (initialize, initialize_builtins,
5186 initialize_dependency_output, initialize_standard_includes):
5187 Rename s/initialize/init. Update.
5188 (init_dependency_output): Move to after
5189 cpp_handle_options, the correct location temporally at least.
5190 (opt_comp): Move next to init (), its caller. Fix prototype.
5191 (init): Make "initialized" local scope.
5192 (cpp_create_reader): Always call init ().
5193 (cpp_start_read): Update.
5194 (output_deps): New function, broken out of cpp_finish.
5195 (cpp_finish): Break out output_deps.
5197 2001-01-07 Richard Henderson <rth@redhat.com>
5199 * collect2.c (COFF specific stuff): Revert 12-06 patch
5200 to prototype system functions.
5202 2001-01-07 Michael Hayes <mhayes@redhat.com>
5204 * hard-reg-set.h: Add multiple include guard.
5205 * basic-block.h (struct loop): Add `sink' field.
5206 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5207 (emit_iv_add_mult): Delete.
5208 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5209 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5210 (unroll_loop): Remove end_insert_before argument.
5211 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5212 (maybe_eliminate_biv_1): Likewise.
5213 (emit_iv_add_mult): Delete.
5214 (gen_add_mult, loop_regs_update): New.
5215 (loop_insn_emit_after, loop_insn_emit_before): New.
5216 (loop_insn_sink, loop_insn_sink_or_swim): New.
5217 (emit_iv_add_mult): Delete.
5218 (scan_loop): Set loop->sink.
5219 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5220 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5221 (maybe_eliminate_biv_1): Likewise.
5222 (maybe_eliminate_biv_1): Add basic block argument.
5223 * unroll.c (unroll_loop): Remove end_insert_before argument.
5224 (find_splittable_regs): Likewise.
5225 (find_splittable_regs): Use loop_insn_sink and its ilk.
5226 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5228 2001-01-07 Michael Hayes <mhayes@redhat.com>
5230 * loop.h (loop_insn_hoist): New prototype.
5231 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5232 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5233 (check_dbra_loop, load_mems): Likewise.
5234 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5235 (find_splittable_givs): Likewise.
5237 2001-01-07 Michael Hayes <mhayes@redhat.com>
5239 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5241 2001-01-07 Richard Henderson <rth@redhat.com>
5243 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5245 2001-01-07 Richard Henderson <rth@redhat.com>
5247 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5248 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5249 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5250 variant that handles a shared libgcc.
5251 (process_command): Always validate -{static,shared}-libgcc.
5252 (do_spec_1): New 'M' case.
5253 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5255 2001-01-07 Richard Henderson <rth@redhat.com>
5257 * Makefile.in (slibdir): New variable.
5258 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5259 (installdirs): Create slibdir.
5260 (install-libgcc, install-multilib): Defer to libgcc.mk.
5261 * configure.in (slibdir): Substitute.
5262 * mklibgcc.in (install): New target.
5264 * config/t-linux (SHLIB_LINK): Create links for the soname.
5265 (SHLIB_INSTALL): New.
5266 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5267 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5268 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5269 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5270 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5272 2001-01-07 Richard Henderson <rth@redhat.com>
5274 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5275 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5276 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5278 2001-01-07 Michael Hayes <mhayes@redhat.com>
5280 * loop.c (count_loop_regs_set): Delete.
5281 (load_mems_and_recount_loop_regs_set): Delete.
5282 (loop_regs_scan): Merge common code from count_loop_regs_set,
5283 scan_loop, and load_mems_and_recount_loop_regs_set.
5284 (scan_loop): Call load_mems directly and loop_regs_scan
5285 again if new registers created.
5287 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5289 * toplev.c (main): Call the front-end specific post_options
5290 hook if one is given.
5291 * toplev.h (struct_lang_hooks, lang_hooks): New.
5292 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5293 for the C front end.
5294 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5295 lang_hooks for the C++ front end.
5296 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5297 lang_hooks for the ObjC front end.
5298 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5299 * java/lang.c (lang_hooks): Hooks for the Java front end.
5301 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5303 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5304 for verbose DWARF[2] debugging.
5305 (cb_define, cb_undef): The new callbacks.
5306 * toplev.h (debug_define, debug_undef): Make const correct.
5307 * toplev.c (debug_define, debug_undef): Similarly. Do not
5308 perform the verbosity tests here anymore.
5310 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5312 * reload.c (subst_reloads): Take INSN argument. When
5313 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5314 * reload.h (subst_reloads): Adjust prototype.
5315 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5316 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5317 present in JUMP_INSNs and copy them to JUMP_LABEL.
5318 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5319 JUMP_INSNs and insns with REG_LABELs that are followed by
5320 JUMP_INSNs with the same REG_LABEL.
5321 * sched-rgn.c (is_cfg_nonregular): Likewise.
5322 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5324 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5326 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5328 2001-01-06 Richard Henderson <rth@redhat.com>
5330 * loop.c (scan_loop): Use xcalloc for the regs array.
5331 (load_mems_and_recount_loop_regs_set): Zero the new memory
5332 received from xrealloc.
5334 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5336 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5338 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5340 * integrate.c (copy_rtx_and_substitute): When copying
5341 an ignored return value, strip REG_FUNCTION_VALUE_P.
5343 2001-01-06 Michael Hayes <mhayes@redhat.com>
5345 * loop.c (debug_biv, debug_giv): New.
5346 (loop_biv_dump): Break out from ...
5347 (record_biv): ... here.
5348 (loop_giv_dump): Break out from ...
5349 (record_giv): ... here.
5350 (loop_bivs_check): Use print_simple_rtl.
5351 * unroll.c (loop_iterations): Use print_simple_rtl.
5353 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5355 * pa.md (return, return_internal): Modify patterns to prevent regrename
5356 mucking with the return pointer.
5358 2001-01-05 Richard Henderson <rth@redhat.com>
5360 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5362 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5364 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5365 version supplied by Matteo Frigo.
5367 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5369 * cpp.texi: Update for -MQ.
5370 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5371 (cpp_cleanup): Always free pfile->deps.
5372 (initialize_dependency_output): Don't create pfile->deps.
5373 (cpp_handle_option): Similarly.
5375 * gcc.c (cpp_options): Handle -MQ.
5376 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5377 * mkdeps.c (base_name): Remove.
5378 (deps_init): Don't allocate vector space until it's needed.
5379 (deps_free): Only free vectors if allocated.
5380 (deps_add_target, deps_add_dep): Update for initial allocation.
5381 (deps_add_default_target): Don't strip to the base_name.
5383 2001-01-05 DJ Delorie <dj@redhat.com>
5385 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5386 (INIT_EXPANDERS): Define.
5388 * config/v850/v850.c (struct machine_function): Define.
5389 (v850_save_machine_status): New function.
5390 (v850_restore_machine_status): New function.
5391 (v850_return_addr): New function.
5392 (v850_init_expanders): New function.
5394 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5395 and v850_init_expanders.
5397 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5399 * cpplib.h (struct cpp_reader): Add help_only field.
5400 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5401 (cpp_handle_option): Set pfile->help_only if we see -h,
5402 --help, -target-help, or --version. Print version string but
5403 do not set help_only if we see -v or -version. Make text
5404 printed by -v match that printed by (-)-version.
5406 * cppmain.c (main): Exit after option parsing if
5407 pfile->help_only is true.
5409 * toplev.c (independent_decode_option): Call print_version,
5410 then exit, if we see --version (but not -version).
5411 (print_version): Split lengthy message into two lines.
5413 2001-01-05 Nick Clifton <nickc@redhat.com>
5415 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5416 temporary string for initialisation before calling ggc_alloc_string.
5418 2001-01-06 Michael Hayes <mhayes@redhat.com>
5420 * rtl.h (print_simple_rtl): New.
5421 * print-rtl.c (print_simple_rtl): New.
5423 (print_rtx): Disable printing of flags and modes, etc.,
5424 if `flag_simple` nonzero.
5426 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5428 * function.c (fixup_var_refs): Use push_to_full_sequence where
5431 2001-01-05 Michael Meissner <meissner@redhat.com>
5433 * flags.h (flag_reorder_blocks): Add declaration.
5434 (flag_rename_block): Ditto.
5436 2001-01-05 DJ Delorie <dj@redhat.com>
5438 * function.c (reorder_blocks): Make sure the flags are all reset
5439 before using them to mark blocks, else a second invocation will
5440 corrupt the block chain.
5441 (reorder_blocks_0): New, resets the flags.
5443 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5445 * cse.c (find_comparison_args): Stop if the argument is known to
5448 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5450 * config/sh/sh.md (movdf): When splitting load into pair of
5451 registers, don't clobber the register used in the address too
5454 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5456 * varasm.c (mark_constant_pool): Improve initial comments.
5457 (mark_constants): Move marking of constants to mark_constant.
5458 (mark_constant): New function to recursively mark all constants
5459 referred to by a constant.
5461 2001-01-05 Catherine Moore <clm@redhat.com>
5463 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5465 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5467 * cp/lang-options.h: Bring comment in line with reality.
5468 * f/lang-options.h: Likewise.
5469 * java/lang-options.h: Likewise.
5470 * objc/lang-options.h: Likewise.
5471 * ch/lang-options.h: Likewise.
5472 * f/g77.texi: And update the manual.
5474 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5475 Denis Chertykov <denisc@overta.ru>
5477 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5478 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5479 * config/avr/avr.md (all peepholes that request a scratch register):
5480 Call it, FAIL the peephole if not safe (in interrupt functions).
5482 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5484 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5486 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5488 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5490 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5491 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5492 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5493 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5494 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5496 * extend.texi: Document these builtins.
5498 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5500 * c-common.c (lang_get_alias_set): Say we know nothing of
5501 VECTOR_TYPE aliasing.
5503 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5505 2001-01-05 Bruce Korb <bkorb@gnu.org>
5507 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5508 their x* equivalent versions for atexit-less systems
5509 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5510 systems (or any other system any more).
5512 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5514 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5515 output operands. Use arm_hard_register_operand for operand 4.
5516 (stmsi_postinc): Similarly.
5517 (ldmsi): Use arm_hard_register_operand for opernand 2.
5519 * arm.c (arm_hard_register_operand): New function.
5520 * arm-protos.h (arm_hard_register_operand): Prototype it.
5522 * arm.h (HARD_REGNO_RENAME_OK): Define.
5524 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5526 * simplify-rtx.c (cfc_args): add "unordered" field.
5527 (check_fold_consts): Set unordered field.
5528 (simplify_relational_operation): Simplify the unordered
5531 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5534 * emit-rtl.c (try_split): Fix code to mark labels.
5535 * jump.c (mark_jump_label): Make global.
5536 * rtl.h (mark_jump_label): Declare.
5538 * predict.c (estimate_probability): Handle unordred comparisons.
5540 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5542 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5543 * cppinit.c (initialize_dependency_output): Update.
5544 (cpp_finish): Output dummy targets for -MP.
5546 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5547 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5548 * gcc.c (cpp_options): Update to handle -MP.
5549 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5550 to quote only the default target.
5551 (deps_phony_targets): Insert a preceding newline. Rename from
5552 deps_dummy_targets for consistency.
5555 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5557 * calls.c (emit_library_call_value_1): Support
5558 INIT_CUMULATIVE_LIBCALL_ARGS.
5559 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5561 2001-01-04 Richard Henderson <rth@redhat.com>
5563 * c-decl.c (finish_struct): Detect flexible array members
5564 used in an inappropriate context.
5565 * c-typeck.c (really_start_incremental_init): Special case
5566 constructor_max_index for zero length arrays.
5567 (pop_init_level): Allow initialization of flexible array
5568 members. Deprecate initialization of zero length arrays.
5569 Don't issue missing initializer warning for flexible array
5570 members or zero length arrays.
5571 (process_init_element): Don't dereference null DECL_SIZE.
5572 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5573 Don't abort for empty constructors. Use size_binop
5574 (output_constructor): Add commentary regarding zero length
5575 array futures. Abort if we try to initialize an array of
5576 unspecified length with a non-empty constructor in the middle
5579 * extend.texi (Zero Length): Update and clarify documentation
5580 on static initialization.
5582 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5584 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5585 with more than 32767 words of local storage.
5587 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5589 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5590 for 'abs', 'labs', and 'fabs'.
5591 (c4x_expand_builtin): Likewise.
5592 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5594 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5596 * config/sh/sh.md (prget, prset): New insn types.
5597 (return delay slot): Dont' allow prset.
5598 (call, sfunc delay slot): Don't allow prget.
5599 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5600 for prset and prget.
5602 2001-01-05 Michael Hayes <mhayes@redhat.com>
5604 * loop.h (struct loop_reg): New.
5605 (struct loop_regs): Change to use array of `struct loop_reg'.
5606 * loop.c: Replace assortment of varrays with single regs array.
5607 (count_one_set): Delete may_not_move array argument
5608 and use regs array instead. All caller's changed.
5609 (count_loop_regs_set): Delete may_not_move and single_usage
5610 arguments and use regs array instead. All caller's changed.
5611 (find_single_use_in_loop): Replace usage array argument with pointer
5612 to regs structure. All caller's changed.
5613 (loop_optimize): Delete `moved_once' array.
5615 2001-01-05 Michael Hayes <mhayes@redhat.com>
5617 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5618 Use it instead of loop_info->has_call for scanning loop mems.
5619 (check_dbra_loop): Replace loop_info->has_call test with
5620 loop_info->has_nonconst_call.
5622 2000-01-04 Matthew Hiller <hiller@redhat.com>
5624 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5627 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5629 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5630 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5632 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5634 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5635 (flag_short_double, flag_short_wchar): Define.
5636 (c_common_nodes_and_builtins): Create many tree nodes shared
5637 between C and C++ here instead of in cp/decl.c and ...
5638 * c-decl.c (init_decl_processing): ... here.
5639 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5640 (flag_short_double, flag_short_wchar): Don't define.
5641 (record_builtin_type): New function.
5642 (build_void_list_node): New function.
5643 * c-common.h (flag_short_double, flag_short_wchar,
5644 record_builtin_type, build_void_list_node): Declare.
5646 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5648 * integrate.c (expand_inline_function): Don't put a virtual
5649 register into the reg map.
5651 * function.c (fixup_var_refs_1): If force_operand didn't put
5652 the address into the target, move it there.
5654 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5656 Special-case tree_decl/tree_list allocations.
5657 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5658 (OBJECT_SIZE): New macro.
5659 (NUM_EXTRA_ORDER): Likewise.
5660 (extra_order_size_table): New variable.
5661 (NUM_ORDERS): New macro.
5662 (objects_per_page_table): New variable.
5663 (object_size_table): New variable.
5664 (G.pages): Use NUM_ORDERS to bound the array.
5665 (G.page_tails): Likewise.
5666 (DIV_ROUND_UP): Remove.
5667 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5668 (alloc_page): Use OBJECT_SIZE.
5669 (size_lookup): Don't make it const.
5670 (ggc_alloc): Use OBJECT_SIZE.
5671 (ggc_set_mark): Likewise.
5672 (ggc_get_size): Likewise.
5673 (init_ggc): Set up the object_size_table, objects_per_page_table,
5674 and adjust size_lookup.
5675 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5676 (ggc_pop_context): Use NUM_ORDERS.
5677 (clear_marks): Likewise.
5678 (sweep_pages): Likewise.
5679 (poison_pages): Likewise.
5680 (ggc_print_statistics): Use OBJECT_SIZE.
5682 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5684 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5685 Only call array_size_for_constructor if last field and array type
5686 with no upper bound.
5688 2001-01-04 Philip Blundell <philb@gnu.org>
5690 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5691 from bit 31 downwards, if this requires no more insns.
5692 (count_insns_for_constant): New helper function for above.
5694 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5696 * gencodes.c (output_predicate_decls): Remove empty initializer.
5698 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5700 * tree.c (copy_node): Remove documentation about obstacks.
5701 (buidl1): Check that nobody tries to build 2-argument nodes this
5704 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5706 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5709 * gencodes.c (output_predicate_decls): Fill empty initializer
5712 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5714 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5715 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5717 (do_include): Handle missing headers like cpp0.
5718 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5719 paths with first include pathname. Don't strcat to uninitialized
5722 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5724 * regrename.c (regrename_optimize): Don't rename from frame pointer
5725 if frame_pointer_needed.
5726 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5727 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5728 (ia64_reorg): Use it instead of scheduling if ! optimize.
5729 (errata_emit_nops): Properly call asm_noperands.
5730 (ia64_sched_reorder): Finish cycle if we see an asm.
5731 (ia64_variable_issue): Clear scheduling state after asms.
5733 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5735 * cpp.texi: Update for -MT.
5736 * cppinit.c (initialize_dependency_output): Add a default
5737 target if none has been given already.
5738 (no_tgt, OPT_MT): New.
5739 (cpp_handle_option): Handle -MT. Update -M etc.
5740 * cpplib.h (struct cpp_options): Remove deps_target.
5741 * gcc.c (cpp_options): Handle -MT.
5742 * mkdeps.c (struct deps): Move from mkdeps.h.
5743 (deps_calc_target): Rename deps_add_default_target. Add a
5744 default target if none has been specified already.
5745 * mkdeps.h (struct deps): Move to mkdeps.c.
5746 (deps_calc_target): Rename deps_add_default_target.
5748 2000-01-03 Richard Henderson <rth@redhat.com>
5750 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5752 * c-typeck.c (push_init_level): Move checks for flexible array
5753 members and zero length arrays ...
5754 (pop_init_level): ... here. Silently discard empty initializations.
5756 * varasm.c (output_constructor): Update for sizeof change to
5759 * extend.texi (Zero Length): Clarify semantics.
5761 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5763 * configure.in (tm.h): Include isns-codes.h last.
5764 * configure: Rebuilt.
5766 2001-01-03 Richard Henderson <rth@redhat.com>
5768 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5769 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5771 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5773 * tradcpp.c (main): Make sure finclude() is called with a valid
5774 indepth value while handling -include.
5776 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5778 * gencodes.c (output_predicate_decls): New function.
5780 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5781 even if it is not the first time machmode.h is #included.
5782 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5783 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5784 * gcc.texi (Copyright): Added 2001.
5786 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5788 * c-common.c (c_common_lang_init): New function. Warn if format
5789 warning options which only have effects when used with -Wformat
5790 are used without -Wformat.
5791 * c-common.h (c_common_lang_init): Declare.
5792 * c-lang.c (lang_init): Call c_common_lang_init.
5793 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5795 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5797 * configure.in: Check for the mktemp command.
5798 * configure: Regenerate.
5799 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5800 $TEMP. Create temporary files with mktemp, if available at
5801 configure time; otherwise use set -C. Remove temporary files
5804 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5806 * configure.in: Require at least texinfo 4.0. Check for whether
5807 Pod::Man is sufficiently recent to regenerate GCC manpages.
5808 * configure: Regenerate.
5809 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5811 (GENERATED_MANPAGES): Define.
5812 (generated-manpages): New target. Depend on cpp.1 as well as
5814 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5815 configure to generated-manpages or empty) rather than on the
5816 manpages directly. Remove execute permission from installed
5817 gcov.1 as well as cpp.1.
5818 * cpp.1, gcov.1: Regenerate.
5820 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5822 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5823 tree_low_cst. Allow using cmpstrsi in more cases.
5825 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5827 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5830 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5832 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5833 * Makefile.in (HOST_CFLAGS): Mention build-make.
5835 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5837 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5840 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5842 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5845 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5848 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5849 reg_base_value and reg_known_value arrays.
5850 (init_alias_analysis): Add more cases to detect known values.
5851 * sched-deps.c (deps_may_trap_p): New function.
5852 (sched_analyze_2): Use it.
5854 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5856 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5857 don't discard an ASHIFTRT if we're shifting in a wider mode.
5859 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5861 * toplev.c (rest_of_compilation): Don't print basic block information
5862 when CFG isn't up to date.
5864 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5866 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5867 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5868 (UNALIGNED_SHORT_ASM_OP): Define.
5869 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5871 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5873 * fold-const.c (fold_convert): Fix typo.
5875 2001-01-02 Richard Henderson <rth@redhat.com>
5877 * c-common.h (ASM_INPUT_P): New.
5878 * c-parse.in (asm): Set it when needed.
5879 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5880 existance of an operand.
5882 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5884 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5885 (dwarf2out_frame_debug_expr): Likewise.
5886 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5888 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5890 * i386.c (ix86_split_to_parts): Return number of part required;
5892 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5894 (ix86_split_long_move): Use number of part returned
5895 by ix86_split_to_parts
5896 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5898 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5899 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5900 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5901 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5902 (ALIGN_MODE_128): Add TFmode.
5903 (IS_STACK_MODE): Likewise.
5904 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5905 (HARD_REGNO_OK): Support TFmodes.
5906 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5907 * i386.md (scheduler definitions): Use memory operand to determine
5908 fst/fld instructions; use mode attribute to determine real mode of
5910 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5911 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5913 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5915 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5917 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5919 * expr.c (store_constructor_field): Update ALIGN before calling
5922 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5924 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5927 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5929 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5932 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5934 * c-decl.c (start_function): Don't warn on third parameter to main.
5936 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5938 * tsystem.h: Define HAVE_DECL_GETOPT.
5940 2001-01-02 Philip Blundell <pb@futuretv.com>
5942 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5945 2001-01-02 Richard Henderson <rth@redhat.com>
5947 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5949 2001-01-02 Andreas Jaeger <aj@suse.de>
5951 * c-decl.c (c_decode_option): Remove support of
5954 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5955 (W_options): Add -Wmissing-noreturn here.
5957 * flow.c: Define lang_missing_noreturn_ok_p.
5958 (check_function_return_warnings): Use it.
5960 * c-common.h: Declare lang_missing_noreturn_ok_p.
5962 * c-lang.c (c_missing_noreturn_ok_p): New function.
5963 (lang_init): Set lang_missing_noreturn_ok_p.
5965 * invoke.texi (Warning Options): Document this.
5967 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5969 * extend.texi (C++ Extensions): New node for C++ attributes;
5970 describe init_priority and com_interface.
5971 * invoke.texi: Remove -finit-priority as it now has zero effect.
5972 * install.texi: Fix xref syntax.
5973 * md.texi: Likewise.
5975 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5977 * config.gcc (sparc64-wrs-vxworks*): New case.
5978 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5980 * config/sparc/sparc.c (sparc_override_options): Do support different
5981 pointer and architecture size.
5982 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5983 (POINTERS_EXTEND_UNSIGNED): Define.
5984 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5985 (FUNCTION_MODE): Define to be Pmode.
5986 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5988 * function.c (expand_function_end): Properly handle DECL_RESULT
5989 and copy when ptr_mode != Pmode.
5990 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5992 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5994 * c-common.c (c_common_nodes_and_builtins): Set prototype
5995 parameters for __builtin_fputs, __builtin_fputc and
5996 __builtin_fwrite. Don't declare plain fputc as a builtin.
5998 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6000 * loop.c (add_label_notes): Increment the label usage count when
6001 a note is added to an insn which refers to a CODE_LABEL.
6002 * gcse.c (add_label_notes): Likewise.
6004 2001-01-01 Andreas Jaeger <aj@suse.de>
6006 * loop.c (scan_loop): Use xmalloc to allocate movables.
6008 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6010 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6011 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6012 * reload1.c (REGISTER_MOVE_COST): Likewise.
6013 * regclass.c (REGISTER_MOVE_COST): Likewise.
6014 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6015 dimension. Adjust all users.
6016 (init_reg_sets_1): Iterate on all modes.
6017 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6018 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6019 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6020 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6021 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6022 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6023 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6024 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6025 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6026 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6027 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6028 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6029 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6030 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6031 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6032 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6033 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6034 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6035 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6036 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6037 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6038 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6039 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6040 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6041 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6042 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6043 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6045 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6047 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6048 arg VARIES_P. Call it with extra arg.
6049 (true_dependence): Likewise.
6050 * rtl.h (rtx_addr_can_trap_p): Declare.
6051 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6053 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6054 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6055 pic offset table register if it's zero. All callers changed.
6056 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6058 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6060 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6061 STRING_POOL_ADDRESS_P.
6063 * config/sparc/sparc.c (input_operand): Properly test for short op.
6065 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6066 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6067 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6068 * config/sparc/elf.h: No longer include sol2.h.
6069 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6070 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6072 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6074 2001-01-01 Michael Hayes <mhayes@redhat.com>
6076 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6077 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6078 (record_initial): Likewise.
6079 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6080 (remap_split_bivs): Likewise.
6082 2001-01-01 Michael Hayes <mhayes@redhat.com>
6084 * loop.c (loop_ivs_free): New function.
6085 (strength_reduce): Break out from...
6087 2001-01-01 Michael Hayes <mhayes@redhat.com>
6089 * loop.h (struct iv): New.
6090 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6091 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6092 'reg_biv_class' fields with 'regs' and 'n_regs'.
6093 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6094 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6095 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6097 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6099 * resource.c (mark_referenced_resources): Abort() before
6100 attempting to mark a pseudo register.
6101 (mark_set_resources): Likewise.
6103 2001-01-01 Michael Hayes <mhayes@redhat.com>
6105 * loop.h (REG_IV_CLASS): New accessor macro.
6106 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6107 * unroll.c (REG_IV_CLASS): Likewise.
6109 See ChangeLog.4 for earlier changes.