1 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3 * cppfiles.c: Update comments.
4 (destroy_include_file_node): Rename destroy_node.
5 (find_or_create_entry): New function.
6 (open_file, _cpp_fake_include): Use it.
7 (handle_missing_header): New function, broken out of
8 _cpp_execute include. Don't segfault if there is no
10 (_cpp_execute_include): Use handle_missing_header.
12 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
14 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
15 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
17 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
19 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
20 unless anti_dependence says they are.
21 * alias.c (objects_must_conflict): If neither has a type specified,
24 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
25 David Billinghurst <David.Billinghurst@riotinto.com>
27 * config/mips/iris5.h: Change WCHAR_TYPE to int.
29 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
31 * i386.md (trunctfdf2_2): Rename missnamed pattern.
32 (*_one_bit): Remove type on the match_operand in attributes.
34 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
36 * i386.c: Commit forgotten hunk in previous patch.
37 (regclass_map): Add extended registers.
38 (dbx_register_map): Add missing frame register.
40 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
42 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
44 * i386.md (x86_sahf_1): Disable for 64bit.
45 (popsi*, pophi*): Likewise.
46 (pushqi, pushhi): Likewise.
47 (movdi, pushdi): Likewise.
48 (zero extend DImode splitter): Likewise.
49 (adddi, minusdi splitter): Likewise.
52 (mulsidi): Disable for 64bit
53 (lshift:DI/ashift:DI): Disable for 64bit.
54 (loop patterns): Likewise.
55 (call_pop, call_value_pop expanders and patterns): Likewise.
56 (prologue_get_pc): Likewise.
58 (fcmovDI pattern and splitter): Likewise.
59 (movdfcc_1_rex64): New.
61 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
63 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
64 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
65 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
66 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
67 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
68 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
69 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
70 (PUSH_ROUNDING): x86_64 rounds to 64bits.
71 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
72 (REGPARM_MAX): Set to 6 for x86_64.
73 (SSE_REGPARM_MAX): Set to 16 for x86_64.
74 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
77 * (patterns that does use upper halves): Update constraints
78 'q' to 'Q' and 'r' to 'R'.
79 (cmpqi_ext_1): Disable for 64bit.
80 (cmpqi_ext_3_insn): Likewise.
81 (movqi_extzv_1): Likewsie.
82 (addqi_ext_1): Liekwsie
83 (testqi_ext_1): Liekwsie
84 (andqi_ext_1): Liekwsie
85 (xorqi_ext_1): Liekwsie
86 (cmpqi_ext_1_rex64): New.
87 (cmpqi_ext_3_insn_rex64): Likewise.
88 (movqi_extzv_1_rex64): Likewsie.
89 (addqi_ext_1_rex64): Liekwsie
90 (testqi_ext_1_rex64): Liekwsie
91 (andqi_ext_1_rex64): Liekwsie
92 (xorqi_ext_1_rex64): Liekwsie
94 2001-03-11 Zack Weinberg <zackw@stanford.edu>
96 * configure.in: Move check for unsigned enumerated bitfields
97 to macro in aclocal.m4. Disable it for now.
98 * configure, config.in: Regenerate.
99 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
100 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
101 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
102 kind above its first use.
104 * config/xm-interix.h, config/alpha/xm-alpha.h,
105 config/i370/xm-linux.h, config/i386/xm-beos.h,
106 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
107 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
108 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
109 Don't define ONLY_INT_FIELDS under any circumstances.
111 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
113 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
114 config/sparc/xm-sysv4.h: Delete - now identical with some
116 * config.gcc (hppa targets): Replace xm-pahpux.h and
117 xm-papro.h with implicit xm-pa.h.
118 (sparc targets): Replace xm-sysv4.h with implicit or explicit
121 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
123 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
124 before reload_cse_noop_set_p.
126 2001-03-11 Zack Weinberg <zackw@stanford.edu>
128 * config.gcc: Where xm-host.h used to include another
129 xm-host.h, list the nested header directly in xm_file. Remove
130 references to deleted files. Can now use sparc/xm-sp64.h for
133 * config/xm-linux.h, config/arm/xm-linux.h,
134 config/i386/xm-dos.h, config/i386/xm-gnu.h,
135 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
136 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
137 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
138 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
141 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
142 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
143 bother to wrap #undef in #ifdef.
144 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
145 Don't include xm-linux.h.
146 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
148 * configure.in: Wrap regexps using [] in changequote block.
149 Use expr : not echo | grep. Simplify regexps.
150 * configure: Regenerate.
152 56 xm-files remain, 22 xm-arch.
154 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
156 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
157 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
158 (local_index, local_rindex): Delete, use strchr/strrchr instead.
159 (copy_object): Fix format specifier vs argument mismatch.
161 * mips-tdump.c: Make local functions static.
162 (rindex): Don't #undef.
163 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
164 (fatal, fancy_abort): Delete.
165 (read_seek): Avoid signed/unsigned compare.
167 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
169 * combine.c (try_combine): Fix error in change to try original
171 (gen_rtx_combine): Do same as gen_rtx for now.
173 2001-03-11 Zack Weinberg <zackw@stanford.edu>
175 * configure.in: AC_SUBST xm_defines.
176 * configure: Regenerate.
177 * Makefile.in: Set DEFINES=$(xm_defines) when building
180 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
182 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
183 (cpp_included, find_include_file): Update.
184 (_cpp_compare_file_date): Make else unconditional.
186 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
188 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
190 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
192 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
193 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
195 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
197 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
198 if it's a record type.
200 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
202 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
203 mingw includes slightly.
205 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
207 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
208 #undef token before poisoning it.
210 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
212 * alpha.c (check_float_value): Use memcpy, not bcopy.
214 * m32r.c (m32r_sched_reorder): Likewise.
216 * vax.c (check_float_value): Likewise.
218 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
220 * toplev.c (file_name_nondirectory): Remove.
221 * toplev.h: Similarly.
222 * dwarf2out.c (compute_section_prefix): Use lbasename instead
223 of file_name_nondirectory.
225 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
227 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
228 * mips-tfile.c: Don't #undef rindex; not used.
230 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
232 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
233 (dbx64_register_map): Declare.
234 (RETURN_ADDR_RTX): Fix for 64bit.
235 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
236 (INCOMING_FRAME_SP_OFFSET): Set to 8.
237 * i386.c (dbx64_register_map): New global array.
238 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
239 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
242 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
244 * cppfiles.c (search_from): Use lbasename.
245 * mkdeps.c (deps_add_default_target): Use lbasename.
247 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
249 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
250 xcalloc in lieu of malloc, realloc & calloc.
252 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
254 * gengenrtl.c (xmalloc): Likewise.
256 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
257 really_call_* memory allocation routines.
259 * stmt.c (check_for_full_enumeration_handling): Use
260 really_call_calloc, not calloc.
262 * system.h (really_call_malloc, really_call_calloc,
263 really_call_realloc): Define.
264 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
266 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
268 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
270 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
272 * configure: Rebuilt.
273 * configure.in: Only use `lang_requires' for languages athat are
276 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
278 * invoke.texi: Fix typo.
281 2001-03-09 Zack Weinberg <zackw@stanford.edu>
283 * configure.in: Prune nonexistent files from build_xm_file,
284 xm_file, and host_xm_file lists. Warn unless they're
286 Don't generate *config.h here.
287 AC_SUBST all variables needed to generate *config.h.
288 * configure: Regenerate.
289 * mkconfig.sh: New helper script, from code removed from
291 * Makefile.in: Zap all MALLOC variables - no longer used
292 anywhere, and malloc.c doesn't exist.
293 Substitute in variables needed to generate *config.h.
294 Stop lying about the dependencies contained in CONFIG_H and
296 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
297 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
298 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
299 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
300 $(TM_P_H), etc. as appropriate.
302 * config.gcc: Zap references to deleted files.
303 * ggc-none.c: Don't include rtl.h or tm_p.h.
305 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
306 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
307 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
308 config/i386/xm-linux.h, config/i386/xm-linux.h,
309 config/i386/xm-next.h, config/i386/xm-openbsd.h,
310 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
311 Don't include i386/xm-i386.h.
313 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
314 config/i386/xm-i386.h, config/i860/xm-i860.h,
315 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
316 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
317 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
318 Delete (empty except comments, #includes of other deleted
319 files, and macros used nowhere).
321 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
323 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
324 independent on TARGET_FLAGS.
326 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
328 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
330 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
332 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
334 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
335 LAST_REX_SSE_REG): define.
336 (enum reg_class): Add 'LEGACY_REGS'
337 (REG_CLASS_CONTENTS): Likewise; add extended registers.
338 (SSE_REGNO_P): Recognize extended registers.
339 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
340 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
341 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
342 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
343 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
344 REG_OK_FOR_STRREG_P): Remove.
345 (HI_REGISTER_NAMES): Add extended registers.
346 (ADDITIONAL_REGISTER_NAMES): Likewise.
347 (QI_REGISTER_NAMES): Add 8bit extended registers.
348 (DEBUG_REG): Support extended registers.
349 * i386.c (regclass_map): Add extended registers.
350 (dbx_register-map): Likewise.
351 (svr4_dbx_register_map): Likewise.
352 (print_reg): Support extended registers.
353 (print_operand): Support 64bit operands.
355 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
357 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
358 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
359 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
360 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
361 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
362 STACK_BOUNDARY): Set properly for 64bits.
363 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
364 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
365 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
366 (MOVE_MAX): Set to 16.
367 (MOVE_MAX_PIECES): 8 for 64bit.
368 (Pmode): Set to SImode.
370 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
372 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
374 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
376 * i386.h (mask_64bit): New constant.
377 (target_64bit): New macro.
378 (target_options): Add '64'/'32'
379 (target_default): Define.
380 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
381 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
382 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
384 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
386 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
388 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
390 * rtlanal.c (rtx_varies_p): Check operand 0 of a
391 LO_SUM unless for_alias is set.
393 2001-03-08 Stan Shebs <shebs@apple.com>
395 * objc/objc-act.c: Fix old typos in comments, add comments for
397 (hash_init): Fix file name in error message.
399 (hash_add_attr): Ditto.
400 (continue_class): Ditto.
402 2001-03-08 Bruce Korb <bkorb@gnu.org>
404 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
405 wait4() can receive the signal.
407 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
409 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
411 * fixinc/fixincl.x: Regenerate.
413 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
415 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
417 * fixinc/fixincl.x: Regenerate.
419 2001-03-08 Richard Henderson <rth@redhat.com>
421 * configure.in (HAVE_AS_LEB128): New assembler check.
422 * configure, config.in: Rebuilt.
424 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
426 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
429 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
431 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
432 references to the MAXPATHLEN macro.
434 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
435 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
438 * config/i386/xm-gnu.h, config/xm-gnu.h,
439 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
440 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
441 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
444 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
445 doing so in various xm-*.h files.
447 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
449 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
451 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
453 * configure.in (enable_shared): Support per-package shared-library
455 * configure: Rebuilt.
457 2001-03-07 David Edelsohn <edelsohn@gnu.org>
459 * rs6000.md (cr logic): Add original POWER mnemonic alternative
460 for crnot. Set operands[5] in splitter.
462 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
464 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
465 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
466 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
467 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
468 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
469 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
470 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
473 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
474 config/i370/xm-i370.h, config/i386/xm-dgux.h,
475 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
476 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
477 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
478 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
479 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
480 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
481 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
482 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
483 Delete unused and/or empty files.
485 * config.gcc: Define USG in xm_defines as appropriate. Define
486 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
487 macro. Remove deleted xm-* files from $xm_files variable.
489 2001-03-07 Tom Tromey <tromey@redhat.com>
491 * configure: Rebuilt.
492 * configure.in: Allow config-lang.in to set `lang_requires' to list
493 of other required languages.
495 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
497 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
499 (output_prologue): Use xmalloc not oballoc.
500 (output_epilog): Free a29k_first_epilogue_insn when finished.
501 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
503 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
505 * builtins.c (expand_builtin_mathfn): Check
506 flag_unsafe_math_optimizations, not flag_fast_math.
507 (expand_builtin): Likewise
508 * combine.c (combine_simplify_rtx): Likewise.
509 (simplify_if_then_else): Likewise.
510 * cse.c (fold_rtx): Likewise.
511 * flags.h: Remove flag_fast_math. Add
512 flag_unsafe_math_optimizations and flag_trapping_math.
513 * fold-const.c (negate_expr): Check
514 flag_unsafe_math_optimizations, not flag_fast_math.
515 (invert_truthvalue): Likewise.
516 (fold): Likewise. Before associating operands, check that
517 code == MULT_EXPR, not code != MULT_EXPR.
518 * ifcvt.c (noce_try_minmax): Check
519 flag_unsafe_math_optimizations, not flag_fast_math.
520 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
521 * invoke.texi: Document -funsafe-math-optimizations and
522 -fno-trapping-math. Change documentation for -ffast-math.
523 * jump.c (reversed_comparison_code_parts): Likewise.
524 (rtx_equal_for_thread_p): Likewise.
525 * optabs.c (emit_conditional_move): Likewise.
526 * simplify-rtx.c (simplify_binary_operation): Likewise.
527 (simplify_relational_operation): Likewise.
528 (simplify_ternary_operation): Likewise.
529 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
530 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
531 Add trapping-math and unsafe-math-optimizations entries to f_options.
532 (set_fast_math_flags): New, sets flags for -ffast-math.
533 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
534 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
535 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
537 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
538 (alpha_emit_conditional_move): Initialize local_fast_math to
539 flag_unsafe_math_optimizations, not flat_fast_math.
540 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
541 instead of setting flag_fast_math to 1.
542 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
544 * config/i386/i386.c (override_options): Likewise
545 * config/i386/i386.md: Likewise.
546 * config/m68k/m68k.md: Likewise.
547 * config/mips/mips.md: Likewise.
548 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
549 (rs6000_generate_compare): Likewise.
551 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
553 * Makefile.in: Set RANLIB to @RANLIB@.
556 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
558 * fixinc/inclhack.def (djgpp_wchar_h): New test.
559 * fixinc/fixincl.x: Regenerated.
561 2001-03-07 Richard Henderson <rth@redhat.com>
563 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
565 2001-03-07 Richard Henderson <rth@redhat.com>
567 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
568 of block notes and exception handling notes.
570 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
571 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
572 (compile_file): ... here.
574 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
576 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
578 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
579 config.h now. Include libiberty.h to handle alloca.
581 2001-03-06 Zack Weinberg <zackw@stanford.edu>
583 * c-parse.in (yylexname): New function, split out of _yylex.
584 (objc_rid_sans_at): New table.
585 (init_reswords): Initialize it.
586 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
587 retrieving the next token and checking it for significance as
588 an ObjC keyword or string constant.
590 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
591 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
593 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
596 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
598 * config/m68k/m68k.c (const_uint32_operand): Accept any
599 const_int on a 32-bit host.
601 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
603 * objc/objc-act.c (init_objc): Set save_lang_status,
604 restore_lang_status, and mark_lang_status.
606 2001-03-06 Krister Walfridsson <cato@df.lth.se>
608 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
610 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
612 * cppinternals.texi: Update.
614 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
616 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
617 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
618 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
619 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
620 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
621 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
622 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
623 config/i386/xm-i386.h, config/i860/xm-i860.h,
624 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
625 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
626 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
627 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
628 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
629 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
630 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
631 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
632 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
633 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
634 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
635 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
636 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
637 match the defaults provided in hwint.h.
639 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
640 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
642 * config.gcc (xm_file): Don't set to files which are deleted.
644 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
645 guard this file against these macros being undefined.
647 2001-03-06 Zack Weinberg <zackw@stanford.edu>
649 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
650 and DECL_DEFER_OUTPUT on the decl we create, before calling
651 rest_of_decl_compilation.
653 2001-03-06 Zack Weinberg <zackw@stanford.edu>
655 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
657 * configure, config.in: Regenerate.
658 * config.gcc: Remove references to deleted files.
660 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
661 genrecog.c, rtl.c: Do not use alloca anywhere.
663 * Makefile.in, build-make, system.h, config/x-interix,
664 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
665 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
666 config/arc/xm-arc.h, config/arm/xm-arm.h,
667 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
668 config/h8300/xm-h8300.h, config/i370/x-oe,
669 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
670 config/i386/x-ncr3000, config/i386/x-sco5,
671 config/i386/xm-dgux.h, config/i860/x-sysv4,
672 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
673 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
674 config/m68k/x-hp320g, config/m69k/x-mot3300,
675 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
676 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
677 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
678 config/m88k/x-sysv4, config/m88k/x-tekXD88,
679 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
680 config/mips/x-iris, config/mips/x-iris3,
681 config/mips/x-sni-svr4, config/mips/x-sysv,
682 config/mips/xm-iris6.h, config/mips/xm-mips.h,
683 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
684 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
685 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
686 config/pa/xm-papro.h, config/romp/xm-romp.h,
687 config/rs6000/x-aix31, config/rs6000/x-aix41,
688 config/rs6000/x-beos, config/rs6000/x-lynx,
689 config/rs6000/x-mach, config/rs6000/x-rs6000,
690 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
691 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
692 config/sparc/x-sysv4, config/sparc/xm-linux.h,
693 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
694 config/vax/xm-vms.h: Eradicate all references to alloca and
697 * config/xm-alloca.h, config/clipper/x-clix,
698 config/i386/xm-sysv4.h, config/i860/x-fx2800,
699 config/i860/x-sysv3, config/m88k/x-sysv3,
700 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
701 (contained only alloca related hacks).
703 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
706 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
708 * invoke.texi: Document __FAST_MATH__.
710 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
712 * crtstuff.c: Restore include of auto-host.h.
714 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
716 Put main() in a separate file, so that the language
717 front-end can use a different main().
720 * toplev.c: (main): Rename as toplev_main.
721 * toplev.h: Declare toplev_main.
722 * Makefile.in (OBJS): add toplev.o.
723 (BACKEND): remove toplev.o, add main.o.
725 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
727 * cppfiles.c (search_from): Special case the empty string.
729 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
731 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
732 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
733 strlen or strcpy; we already know the length.
734 (_cpp_compare_file_date): Similarly.
735 * cpphash.h (struct cpp_reader): Delete done_initialising.
736 (CPP_PREV_BUFFER): Delete.
737 * cppinit.c (cpp_start_read): Don't set done_initialising.
738 * cpplex.c (parse_string): Guarantee null-termination.
739 (_cpp_equiv_toklists): Remove.
740 * cpplib.c (glue_header_name): Null-terminate.
741 (do_line): Don't leak memory.
742 * cpplib.h (BT_WEAK): Delete.
743 * cppmain.c (cb_ident): Strings are now null-terminated.
745 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
747 * gcc.c (convert_filename): Append executable suffix
748 if NO_AUTO_EXE_SUFFIX is not defined.
749 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
750 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
752 2001-03-03 David O'Brien <obrien@FreeBSD.org>
754 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
755 * c-parse.gperf, c-gperf.h: Delete.
756 (c-gperf.h was accidently re-added to the CVS repo in the rev
757 1.16 commit by tromey)
759 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
761 * cpplex.c (_cpp_lex_token): Don't warn about directives in
762 macro arguments when looking for the '('.
763 * cppmacro.c (funlike_invocation_p): Set parsing_args to
764 2 when really parsing arguments; 1 when looking for '('.
765 Always restore the lexer position.
767 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
769 * longlong.h (umul_ppmm): Don't use a multiline string.
771 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
773 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
774 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
775 t_bool in declaration because pcc can't combine volatile with typedef
778 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
780 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
781 until when it is really needed.
782 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
783 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
784 * i386.md (float?i?f splitter): Don't force source operand to memory
786 (sse_movdfcc): Fix constraint.
787 (sse_movdfcc splitter): Handle properly the second alternative.
789 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
791 * cpplex.c (parse_string): Unconditionally pedwarn.
793 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
796 * cppexp.c (parse_number): Update.
797 * cpplex.c (parse_string): Pedwarn if multiline string does not
798 result from a system header's macro.
799 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
800 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
801 for function-like macros too.
802 * c-lex.c (lex_number): Update.
804 2001-03-03 Richard Henderson <rth@redhat.com>
806 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
808 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
810 * combine.c (try_combine): If split with mode-changed scratch
811 register didn't work, try the original mode.
813 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
815 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
816 * config/c4x/c4x.h: Likewise.
817 * stor-layout.c (compute_record_mode): Likewise.
818 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
820 2001-03-02 Zack Weinberg <zackw@stanford.edu>
822 * configure.in: Kill tm.h. Include the files in the $tm_file
823 list in all three of config.h, hconfig.h, tconfig.h, after the
824 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
825 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
826 * configure: Regenerate.
827 * Makefile.in (clean): Don't delete tm.h.
829 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
830 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
831 those are not defined, set SEC and FEC to 0 and 1.
832 * gcc.texi: Update to match.
834 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
835 * config/fp-bit.c, config/m68k/aux-crt2.asm,
836 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
837 Include tconfig.h, not tm.h.
839 * config/xm-lynx.h, config/xm-std32.h,
840 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
841 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
842 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
843 config/clipper/xm-clix.h, config/convex/xm-convex.h,
844 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
845 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
846 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
847 config/i386/xm-i386.h, config/i860/xm-i860.h,
848 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
849 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
850 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
851 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
852 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
853 config/pa/xm-linux.h, config/pa/xm-pa.h,
854 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
855 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
856 config/pj/xm-pj.h, config/romp/xm-romp.h,
857 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
858 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
859 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
860 config/v850/xm-v850.h, config/vax/xm-vax.h,
861 config/we32k/xm-we32k.h:
863 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
865 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
866 config/i370/xm-oe.h: Don't include tm.h. Don't define
868 * config/vax/xm-vms.h: Don't include tm.h.
870 * config/xm-lynx.h, config/avr/xm-avr.h,
871 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
872 Delete; made empty by above changes.
873 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
874 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
875 Don't include config/xm-lynx.h or tm.h.
877 * config/xm-gnu.h: Don't include fcntl.h.
878 * config/sparc/xm-lynx.h: Don't include sys/types.h and
880 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
882 2001-03-02 Richard Henderson <rth@redhat.com>
884 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
885 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
887 2001-03-02 Richard Henderson <rth@redhat.com>
889 * Makefile.in (OBJS): Add dwarf2asm.o.
890 * dwarf2asm.c, dwarf2asm.h: New files.
891 * dwarf2out.c (*): Use them.
892 (size_of_uleb128, size_of_sleb128): Remove.
893 (output_uleb128, output_sleb128): Remove.
894 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
895 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
896 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
897 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
898 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
899 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
900 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
901 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
902 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
903 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
904 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
905 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
906 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
907 (dwarf2out_frame_debug): Remove unused variables.
908 (output_loc_operands): Don't abort on 8 byte constants if
909 host integers are wide enough.
910 (output_symbolic_ref): Remove.
911 (size_of_die): Don't assume 4 byte host integers.
912 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
914 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
915 something stupid with HOST_WIDE_INT to long truncation.
916 [CONST_DOUBLE]: Likewise.
918 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
919 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
920 * config/arm/unknown-elf.h: Likewise.
921 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
922 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
923 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
924 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
925 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
926 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
927 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
928 (ASM_OUTPUT_DWARF_OFFSET): Remove.
929 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
930 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
931 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
932 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
934 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
936 * cselib.c (hash_rtx): Cast enums to unsigned int.
938 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
940 * print-rtl.c (print_rtx): Cast enums to int for comparison.
941 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
943 * c-format.c (C_STD_VER): Cast to int for comparisons.
944 (check_function_format): Cast various enums to int for &.
945 (maybe_read_dollar_number): Likewise.
946 (check_format_info): Likewise.
947 (check_format_info_main): Likewise.
948 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
949 (safe_from_p): Likewise.
950 * varasm.c (const_hash): Cast enum to int for %.
951 * emit-rtl.c (init_emit_once): Use int loop variable to work around
952 pcc enum problems with < and ++ operators.
953 * regclass.c (init_reg_sets_1): Cast enums for comparison.
954 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
955 (regclass_init): Change enum class to int to iterate over reg_classes.
956 * genrecog.c (merge_trees): Cast enums for comparison.
957 * rtl.h (GET_CODE): Cast to enum rtx_code.
958 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
959 (GET_MODE): Cast to enum machine_mode.
960 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
961 (GET_NOTE_INSN_NAME): Cast enum to int.
962 * tree.h (TREE_CODE): Cast to enum tree_code.
963 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
964 * timevar.c (timevar_print): Change loop variable id from enum to
966 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
967 * config/i386/i386.md: Use PUT_MODE for mode assignment.
968 * toplev.c (compile_file): Cast enum DFI to int.
969 (decode_d_option): Likewise.
971 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
973 * cppinit.c (append_include_chain): Mark "after" include file name list
974 as a system directory.
975 * cpp.texi: Document new behavior.
977 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
979 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
981 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
983 * cppfiles.c (struct include_file): Update.
984 (stack_include_file): Use search_from.
985 (cpp_included, find_include_file): Update.
986 (cpp_execute_include): Update. ptr->name may not be
987 null terminated. Use the new search_from member variable
989 (_cpp_compare_file_date): Similarly.
990 (search_from): New function, similiar to actual_directory.
991 (actual_directory): Delete.
992 (remap_filename): Update. loc->name may not be null terminated.
993 (struct file_name_list): Rename search_path. Update.
994 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
996 (struct cpp_reader): Remove actual_dirs.
997 * cppinit.c (struct cpp_pending): Update for renamed objects.
998 (append_include_chain, remove_dup_dir, remove_dup_dirs,
999 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1000 * cpplib.h (struct cpp_options): Similarly.
1002 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1004 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1005 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1006 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1007 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1008 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1009 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1010 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1011 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1012 config/i370/xm-oe.h, config/i386/xm-aix.h,
1013 config/i386/xm-i386.h, config/i386/xm-osf.h,
1014 config/i860/xm-i860.h, config/i960/xm-i960.h,
1015 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1016 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1017 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1018 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1019 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1020 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1021 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1022 config/pj/xm-pj.h, config/romp/xm-romp.h,
1023 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1024 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1025 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1026 config/v850/xm-v850.h, config/vax/xm-vax.h,
1027 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1028 Do not define TRUE or FALSE.
1030 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1031 empty by above change.
1032 * config.gcc: Remove references to these files.
1034 * configure.in: Detect stdbool.h.
1035 * configure, config.in: Regenerate.
1036 * system.h: Include stddef.h here if available.
1037 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1038 Then set up a sensible boolean type at the very end.
1040 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1041 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1043 * hash.h: Delete 'boolean' typedef and related #undefs.
1045 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1046 all uses of 'boolean' with 'bool'.
1048 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1050 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1051 * cppexp.c (lex): Cast enums for comparison.
1052 * cppinit.c (parse_option): Cast enum for comparison.
1053 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1054 (cpp_output_token): Likewise.
1055 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1056 (cpp_avoid_paste): Cast enums for minus and comparison.
1058 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1060 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1061 field to all array elements.
1063 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1065 * cpphash.h (struct cpp_reader): Add print_version field.
1066 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1067 just set print_version and other flags as appropriate.
1068 (cpp_post_options): Print version here if print_version is set.
1070 * toplev.c (exit_after_options): New flag.
1071 (independent_decode_option): Don't exit here; just set
1073 (main): Exit after calling lang_hooks.post_options if
1074 exit_after_options is true.
1076 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1077 (merge_include_chains): Adjust comment to match code.
1079 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1081 * stringpool.c (set_identifier): New function.
1082 * tree.h: Prototype it.
1084 * c-parse.in: Kill D_YES. If compiled for objc, call
1085 save_and_forget_protocol_qualifiers from init_reswords.
1086 * objc/objc-act.c (remember_protocol_qualifiers,
1087 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1088 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1090 (save_and_forget_protocol_qualifiers): New function.
1091 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1093 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1095 * c-semantics.c (prune_unused_decls): Return error_mark_node
1096 instead of (tree) 1 to stop traversing the tree chain.
1098 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1100 Fix a problem introduced by Kenner's Feb 18 change.
1101 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1102 flag_cse_skip_blocks only temporarily, not for ever.
1104 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1106 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1107 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1109 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1110 before determining its register class.
1112 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1114 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1115 from reg 4 if current_function_calls_setjmp.
1116 (gen_nop_type): New function.
1117 (ia64_emit_nops): New function.
1118 (ia64_reorg): Call it.
1119 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1121 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1122 code not to try to optimize adds with anything but a REG destination.
1124 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1125 (INSN_PRIORITY_KNOWN): New accessor macro.
1126 * haifa-sched.c (priority): Use it instead of testing priority against
1129 2001-02-28 DJ Delorie <dj@redhat.com>
1131 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1132 since that doesn't work the way gcc wants on a generic m68k.
1134 2001-02-28 Richard Henderson <rth@redhat.com>
1136 * caller-save.c (save_call_clobbered_regs): Fix typo in
1137 comparison last change.
1139 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1141 * i386.c (pentium4_cost): New.
1142 (m_PENT4): New macro.
1143 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1144 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1145 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1146 x86_memory_mismatch_stall): Add Pentium4
1147 (x86_use_q_reg, x86_use_any_reg): Kill.
1148 (override_options): Add pentium4.
1149 (incdec_operand): Return 0 for pentium4.
1150 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1151 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1152 (TARGET_PENTIUM4): Define.
1153 (enum processor_type): Add PROCESSOR_PENTIUM4.
1154 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1155 * i386.md (attribute "cpu"): Add pentium4.
1156 * invoke.texi (march): Add pentium4.
1158 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1160 * i386.md (sse_mov?fcc*): New patterns and splitters.
1161 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1162 the SSE based conditional moves.
1164 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1166 * i386.md (attribute mode): Add "TI".
1167 (movsf_1): Add pxor support; remove constant propagation splitter.
1168 (movdf_integer): Likewise.
1169 (movdf_nointeger): Likewise.
1170 (movxf constant prop splitter): Handle all modes; update for SSE.
1171 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1172 * i386.c (standard_80387_constant_p): Rewrite.
1173 (standard_sse_constant_p): New.
1174 * i386-protos.h (standard_sse_constant_p): New.
1176 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1178 * i386.md (sse_setccsf, sse_setccdf): New.
1179 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1181 * i386.c (sse_comparison_operator): Accept the supported unordered
1182 comparses; be ready for fast_math.
1183 (print_operand): Support 'D'.
1185 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1187 * jump.c (reversed_comparison_code): Kill.
1189 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1191 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1194 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1196 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1197 add missing '%' in constraints.
1199 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1201 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1202 for HOST_BITS_PER_WIDE_INT == 32 too.
1204 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1206 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1208 (insert_save, insert_restore): New parameter save_mode.
1209 (init_caller_save): Update initialization of reg_save_code
1210 and reg_restore_code.
1211 (save_call_clobbered_regs): Compute save_modes and update calls to
1212 reg_save_code and reg_restore_code.
1213 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1214 of spill; update use of reg_restore_code.
1215 (insert_save): Likewise.
1216 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1217 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1218 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1220 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1222 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1223 noce_try_store_flag_inc, noce_try_store_flag_mask,
1224 noce_try_cmove_arith):
1225 Use reversed_comparison_code instead of reverse_comparison and
1226 can_reverse_comparison_p.
1228 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1230 * jump.c (reversed_comparison_code_parts): Allow reversal of
1231 unordered compares in -ffast-math mode; reverse ordered compares
1232 for FP even w/o -ffast-math.
1234 2001-02-27 Richard Henderson <rth@redhat.com>
1236 * print-rtl.c (print_rtx) [i]: Don't print field five on
1237 NOTEs other than NOTE_INSN_DELETED_LABEL.
1239 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1241 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1242 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1244 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1246 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1247 even if walk_subtrees is 0.
1248 * c-semantics.c (prune_unused_decls): Return a non-null value to
1249 stop traversing the tree chain.
1251 2001-02-27 DJ Delorie <dj@redhat.com>
1253 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1254 register, *then* define it as the new CFA.
1256 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1258 * pa.c (override_options): Promote -fpic to -fPIC.
1259 (legitimize_pic_address): Simplify due to removal of
1260 small PIC as a code generation option.
1261 (secondary_reload_class): Similarly.
1262 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1263 (PRINT_OPERAND_ADDRESS): Similarly.
1264 * pa.md (various patterns): Similarly.
1265 (small pic lo_sum pattern): Remove.
1267 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1270 * md.texi (min, max): Document
1272 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1274 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1275 TARGET_PARTIAL_REG_DEPENDENCY.
1276 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1278 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1280 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1282 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1284 * mips.c (mips_make_temp_file): Fix thinko in last change.
1286 2001-02-26 Jason Eckhardt <jle@redhat.com>
1288 * combine.c (known_cond): Do not reverse the condition when
1289 SMAX/UMAX is being considered and the condition is for equality
1292 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1294 2001-02-26 Philip Blundell <philb@gnu.org>
1296 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1298 * config/arm/linux-elf.h: Remove historical relics related to
1299 above configurations.
1300 * config/arm/linux-oldld.h: Delete.
1301 * config/arm/linux-elf26.h: Delete.
1303 2001-02-26 Jason Merrill <jason@redhat.com>
1305 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1307 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1308 recognize a tentative definition. Lose obsolete code.
1310 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1311 variables unless necessary, either.
1313 2001-02-25 Richard Henderson <rth@redhat.com>
1315 * ifcvt.c (struct noce_if_info): Add test_bb.
1316 (noce_get_alt_condition): New.
1317 (noce_try_minmax, noce_try_abs): New.
1318 (noce_operand_ok): New.
1319 (noce_process_if_block): Use them.
1320 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1322 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1324 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1327 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1329 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1330 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1332 (mips_asm_file_end): Free temp_filename here.
1334 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1336 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1337 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1339 * config/i386/i386.md (movstrsi): Handle FAIL case.
1341 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1343 * cppinit.c (builtin_array): Update.
1344 (init_builtins): Flag builtins to warn if redefined or
1345 undefined. Define __GXX_WEAK as a normal macro.
1346 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1347 * cpplib.h (NODE_WARN): New flag.
1348 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1349 Handle __STDC__ as a builtin only on Solaris.
1350 (warn_of_redefinition): Renamed from check_macro_definition.
1351 Reverse sense of test. Always warn if NODE_WARN.
1352 (_cpp_create_definition): Use warn_of_redefinition. Flag
1353 any macro beginning with "__STDC_" to require a mandatory
1354 warning if redefined or undefined.
1356 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1358 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1359 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1360 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1361 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1362 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1363 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1364 Don't define any of:
1365 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1366 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1367 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1368 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1369 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1371 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1372 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1375 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1376 Delete now-empty file.
1378 * alpha/vms.h: Define NEED_ATEXIT here...
1379 * alpha/xm-vms.h: ...not here.
1381 * i386/cygwin.h: Don't define PARAMS.
1382 * mips/mips.c: Don't prototype mktemp. Don't define
1383 P_tmpdir. Use make_temp_file to create temporary files.
1384 Don't be clever and delete temporary files early.
1385 * config.gcc: Drop references to deleted files. Don't define
1387 * gcc.texi: Don't mention USE_PROTOTYPES.
1389 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1391 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1392 (ix86_set_move_mem_attrs_1): Likewise.
1393 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1394 * config/i386/i386.md (movstrsi): Call it.
1396 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1398 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1399 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1400 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1401 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1403 (i750a-*-*): Error here if hosting on i750a.
1404 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1406 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1407 Remove (empty modulo comments).
1409 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1410 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1411 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1412 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1413 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1414 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1416 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1417 Remove reference to winnt.h in comment.
1418 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1420 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1422 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1423 used to set another biv.
1425 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1427 * tree.h (BLOCK_DEAD): New macro.
1428 (struct tree_block): New flag, dead_flag.
1429 * print-tree.c (print_node, case 'b'): Print missing fields.
1430 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1431 * function.c (identify_blocks): Enable test for misplaced notes.
1432 (all_blocks): Skip BLOCK_DEAD blocks.
1433 * integrate.c (integrate_decl_tree): Likewise.
1435 * errors.c (internal_error, trim_filename): New functions.
1436 (fancy_abort): Call internal_error.
1437 * errors.h (internal_error, trim_filename): New declarations.
1439 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1441 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1443 (EXTRA_CONSTRAINT): Formatting changes.
1445 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1447 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1449 2001-02-23 Per Bothner <per@bothner.com>
1451 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1452 so they can be called from java/jvspec.c.
1453 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1455 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1457 * i386.c (ix86_frame): New structure.
1458 (ix86_compute_frame_size): Kill.
1459 (ix86_compute_frame_layout): New.
1460 (ix86_save_reg): New.
1461 (ix86_can_use_return_insn_p): Use frame layout stuff.
1462 (ix86_expand_prologue): Likewise.
1463 (ix86_expand_epilogue): Likewise.
1464 (ix86_initial_elimination_offset): Likewise.
1465 (ix86_nsaved_regs): Use ix86_save_reg.
1466 (ix86_emit_save_regs): Likewise.
1468 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1470 * flow.c (find_sub_basic_blocks): New function.
1471 (split_block): Be ready for basic block introduced by CODE_LABEL.
1472 (commit_one_edge_insertion): Call find_sub_basic_block.
1474 * flow.c (make_edges): Add edge from entry for blocks starting with
1475 label having ALTERNATE_NAME
1477 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1479 * function.c (epilogue_done): Be ready for first basic block not
1480 containing PROLOGUE_END note.
1481 (reposition_prologue_and_epilogue_notes): Avoid placing
1482 PROLOGUE_END note between BASIC_BLOCK.
1484 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1486 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1488 2001-02-21 DJ Delorie <dj@redhat.com>
1490 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1491 check for current_function_has_nonlocal_goto from 1999-11-12.
1493 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1495 * diagnostic.c (trim_filename): No longer static.
1496 * toplev.h (trim_filename): Declare.
1497 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1498 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1499 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1500 (rtvec_check_failed_bounds): Likewise.
1501 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1503 * convert.c (convert_to_integer): Don't do unsigned unless result or
1504 both inputs are unsigned.
1506 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1509 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1511 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1513 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1515 * Makefile.in (resource.o): Add params.h dependence.
1516 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1517 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1518 * resource.c: Add dependence on params.h.
1519 (current_live_regs): Fix explanatory comment.
1520 (find_basic_block): Add new parameter to permit limiting search
1522 (mark_target_live_regs): Add new argument to find_basic_block call.
1523 (incr_ticks_for_insn): Likewise.
1525 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1527 * diagnostic.c (output_to_stream): Rename to
1528 output_buffer_to_stream. Loses the stream parameter.
1529 (init_output_buffer): Set diagnosic_buffer's stream.
1530 (flush_diagnostic_buffer): Adjust.
1531 (default_print_error_function): Likewise.
1532 (finish_diagnostic): Likewise.
1533 (verbatim): Likewise.
1535 * diagnostic.h (struct output_buffer): Add `stream' field.
1536 (output_buffer_attached_stream): New macro.
1538 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1540 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1541 check if either operand is divisible by C.
1542 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1543 If type is signed, consider negative numbers as well.
1545 2001-02-22 Richard Henderson <rth@redhat.com>
1547 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1548 reach .text instead of gp-relative relocs.
1549 * config/ia64/crtend.asm (.init): Likewise.
1551 2001-02-22 Andreas Jaeger <aj@suse.de>
1553 * extend.texi (C++ Attributes): Fix typo.
1555 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1557 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1558 functions, drop current_function_args_info.words test.
1559 (ia64_compute_frame_size): Mark syscall_linkage functions as
1560 using eight input registers.
1562 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1563 Bruce Korb <bkorb@gnu.org>
1565 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1566 * fixinc/README: Document how to convert sed substitutions
1567 to format style c_fix-es.
1568 * fixinc/fixincl.x: regen
1570 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1572 * gcc.c: Add comment explaining how to add a command-line option.
1573 Add title to specs language comment.
1575 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1577 * gcc.c (cc1_options): Add "-param".
1578 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1579 (option_map): Likewise.
1580 * toplev.c (display_help): Add entry for "--param".
1581 (independent_decode_option): Fix typographical error.
1583 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1584 Bernd Schmidt <bernds@redhat.com>
1585 Jan Hubicka <jh@suse.cz>
1587 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1588 (function_arg): Likewise.
1590 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1592 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1594 2001-02-21 Kazu Hirata <kazu@hxi.com>
1596 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1600 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1602 * flow.c (init_propagate_block_info): Canon address and use single_set
1603 for killing dead memory stores.
1605 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1607 * Makefile.in (reorg.o): Add params.h dependence.
1608 * params.def: Fix typographical error in comment.
1609 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1610 * params.h: Modify introductory comment.
1611 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1612 * reorg.c: Add dependence on params.h.
1613 (redundant_insn): Add parameterized throttle for search.
1614 (fill_simple_delay_slots): Add a comment explaining a variable.
1615 Move conditional out of loop, simplifying code.
1616 (fill_eager_delay_slots): Fix typographical error in comment.
1618 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1620 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1622 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1623 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1625 2001-02-21 Jason Merrill <jason@redhat.com>
1627 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1628 (struct tree_decl): Add uninlinable bitfield.
1629 * c-decl.c (duplicate_decls): Set it.
1630 * integrate.c (function_cannot_inline_p): Check it.
1632 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1633 DW_AT_MIPS_linkage_name to abstract methods.
1634 (dwarf2out_abstract_function): Emit class context before calling
1635 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1636 (gen_subprogram_die): Remove obsolete code.
1637 (gen_member_die): Don't include clones in the member list.
1638 (gen_decl_die): Emit abstract info for clone origin.
1639 * dwarfout.c (output_type): Don't include clones in the member list.
1640 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1641 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1642 DECL_ABSTRACT on a function that already has it set.
1644 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1645 (get_subprogram_die): Pass it in.
1647 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1649 * flow.c (mark_set_1): Make not_dead unsigned long. For
1650 non-pseudos, use it as a bitmask of the hard regs that
1653 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1655 * cppfiles.c: Update comments.
1656 (_cpp_read_file): Don't check for NULL filenames any more.
1657 * cppinit.c (cpp_start_read): Don't do canonicalization of
1658 in_fname and out_fname. Use the passed file name exclusively.
1659 (_cpp_handle_options): Don't treat "-" as a command line option,
1660 but as a normal filename.
1661 (_cpp_post_options): Canonicalize in_fname and out_fname.
1662 * cppmain.c (printer_init): Don't check out_fname for NULL.
1663 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1664 (init_c_lex): Update, and use "" to represent stdin to CPP.
1667 2001-02-20 Will Cohen <wcohen@redhat.com>
1669 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1670 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1671 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1674 2001-02-20 Stan Shebs <shebs@apple.com>
1676 * config/rs6000/rs6000.c (output_cbranch): Output branches
1677 on separate lines instead of using ';' to separate.
1679 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1681 * cppinit.c (set_lang): Move builtin handling to...
1682 (init_builtins): ...here.
1683 (_cpp_create_reader): Move call to set_lang.
1685 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1687 * stmt.c (expand_return): If an attempt is made to return the
1688 error_mar_node, treat the return like a return without a value.
1690 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1692 * sibcall.c (skip_copy_to_return_value): Call
1693 identify_call_return_value here, and return orig_insn if it
1694 returns zero. Hardret and softret arguments now unnecessary.
1695 (call_ends_block_p): Don't call identify_call_return_value here.
1697 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1699 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1700 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1702 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1704 * pa.c (move_operand): Accept code to load the address of a
1705 symbol out of the DLT as a valid move operand.
1706 (print_operand, case 'A'): New to handle generating a DLT
1707 reference for a LO_SUM expression.
1708 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1709 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1711 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1713 * README, cpp.texi, gcc.texi, version.c: Update version number to
1715 * cpp.1, gcov.1, gcc.1: Regenerate.
1717 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1719 * cppfiles.c (stack_include_file): Generate dependencies
1720 here, and manage include_count here too.
1721 (PRINT_THIS_DEP): Delete.
1722 (_cpp_execute_include): Do not generate dependencies here,
1723 apart from the case of a missing header. Do not manage
1725 (_cpp_read_file): Leave dependency generation to
1728 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1730 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1731 target_cpu_default. Remove dead assignment to
1734 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1736 * regclass.c (contains_reg_of_mode): Make global.
1737 (init_reg_sets): Remove contains_reg_of_mode; take into account
1738 CLASS_MAX_NREGS when looking for the proper mode.
1739 (dump_regclass): Dump only classes considered for the pseudo.
1740 (regclass): Use contains_reg_of_mode.
1742 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1744 * gcc.c (do_spec_1): 'n' for printing notices.
1745 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1747 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1749 * reg-stack.c (next_flags_user): Use current_block->end
1750 (swap_rtx_condition): Look for next user if flags don't die;
1751 give up on CALL_INSNs; use current_block->end.
1753 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1755 * sibcall.c (call_ends_block_p): New function.
1756 (optimize_sibling_and_tail_recursive_call): Use it.
1758 2001-02-18 Kazu Hirata <kazu@hxi.com>
1760 * config/h8300/h8300.md: Update copyright.
1761 (andsi3): Do not output an extra newline character.
1763 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1765 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1766 FNDECL may be unused.
1768 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1769 follow jumps after first run.
1770 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1771 it doesn't change any jumps.
1773 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1775 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1776 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1777 (mostlyclean): Corresponding changes.
1778 * rtlanal.c (hard-reg-set.h): Include.
1779 (rtx_unstable_p): Do not treat the argument pointer specially
1780 if it is not a fixed register.
1781 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1783 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1785 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1786 against last real insn in basic block.
1787 Rework to avoid gotos.
1789 * Makefile.in (gcse.o): Now includes ggc.h.
1790 * gcse.c: Include ggc.h.
1791 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1792 (try_replace_reg): Remove warning of uninitialize variable.
1793 (process_insert_insn): Call invalid_insn_p to validate insn.
1794 * recog.c (insn_invalid_p): Now global.
1795 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1796 * recog.h (insn_invalid_p): New declaration.
1798 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1800 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1801 assignments from FP constants since 'Y' output code can't handle it.
1802 (eligible_for_sibcall_delay): Likewise.
1804 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1805 Call fancy_abort directly, passing args.
1806 (print_rtl_and_abort): Now a macro, like fancy_abort.
1808 * final.c (output_operand_lossage): Use internal_error, not error.
1810 2001-02-18 Shane Nay <shane@agendacomputing.com>
1812 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1813 structure shift insns.
1815 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1817 * invoke.texi (-fsquangle): Remove documentation.
1818 (-fname-mangling-version): Likewise.
1820 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1822 * optabs.c (expand_abs): Remove reference to
1823 HAVE_contitional_arithmetic.
1824 * combine.c (simplify_set): Likewise.
1826 2001-02-18 Richard Henderson <rth@redhat.com>
1828 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1831 2001-02-18 Richard Henderson <rth@redhat.com>
1833 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1835 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1837 * reload1.c (reload_cse_simplify_set): Fix typo.
1839 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1841 * diagnostic.c (_fatal_insn): Decrement errorcount.
1843 * invoke.texi (-I): Add note avoiding use for system header files.
1845 * rtl.h (add_clobbers): Remove duplicate declaration.
1846 * recog.h (added_clobbers_hard_reg_p): New declaration.
1847 * genemit.c (struct clobber_pat): New field has_hard_reg.
1848 (gen_insn): Record if added clobbers clobber hard reg.
1849 (gen_split): Avoid unused warning if number of operands is 0.
1850 (output_added_clobbers_hard_reg_p): New function.
1853 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1855 * pa.c (hppa_expand_prologue): Simplify code storing return
1856 pointer. For large (>=8k) frames with a post_store, adjust stack
1857 pointer by 8k-64 first rather than by 64. When testing with
1858 VAL_14_BITS_P, always use the actual value rather than the value
1859 negated. Add blockage to prevent scheduling of spills before
1860 stack frame has been created.
1861 (hppa_expand_epilogue): Simplify code loading return pointer.
1862 Allow a slightly larger range for merge_sp_adjust_with_load case.
1863 When testing with VAL_14_BITS_P, always use the actual value.
1865 * pa.c (pa_adjust_insn_length): Check that block move
1866 pattern is a set before looking at operands.
1868 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1870 * fold-const.c (fold_binary_op_with_conditional_arg): New
1871 function, split out from ...
1873 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1874 conditional arms that throw exceptions.
1876 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1879 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1881 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1882 define HAVE_DECL_* to 1 to mask potential backup declarations.
1883 * configure: Regenerated.
1885 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1887 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1889 2001-02-17 Richard Henderson <rth@redhat.com>
1891 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1892 when replacing a memory load with a register.
1894 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1895 Jan Hubicka <jh@suse.cz>
1897 * recog.c (validate_replace_src_1): New.
1898 (validate_replace_src_data): Likewise.
1899 (validate_replace_src): Use note_uses.
1900 * rtl.h (note_uses): Declare.
1901 * rtlanal.c (note_uses): New.
1903 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1905 * reg-stack.c (stack_def): Make field reg unsigned.
1906 (remove_regno_note): Unsignetize parameter.
1908 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1910 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1911 shladd_operand() call.
1913 2001-02-16 Bruce Korb <bkorb@gnu.org>
1914 Rodney Brown <RodneyBrown@mynd.com>
1916 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1917 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1918 machine restrictions
1919 * fixinc/fixincl.x: regen
1921 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1923 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1925 (hash_scan_insn): Clean up calls to hash_scan_set.
1926 (compute_kill_rd): REGNO now unsigned.
1927 (try_replace_reg): Rework to use simplify_replace_rtx.
1928 (cprop_jump, cprop_cc0_jump): Likewise.
1929 (cprop_insn): Call find_reg_equal_equiv_note.
1930 Reflect changes to cprop_jump and cprop_cc0_jump.
1932 * recog.c (validate_replace_src): Replace in operands of
1933 ZERO_EXTRACT in SET_DEST.
1935 * cse.c (new_label_ref): New variable.
1936 (insert): Set it instead of recorded_label_ref.
1937 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1938 CODE_LABEL for this function, and not already in REG_LABEL note.
1940 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1942 * resource.c (mark_referenced_resources): Fix typo in introductory
1944 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1947 2001-02-16 Jason Merrill <jason@redhat.com>
1949 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1951 (gen_subprogram_die): Don't abort on seeing a second definition if
1952 the previous one was abstract. Don't replace an abstract instance
1953 in the lookup table.
1955 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1956 gen_abstract_function.
1957 * dwarf2out.h: Declare it.
1958 * toplev.c (note_outlining_of_inline_function): New fn.
1959 * toplev.h: Declare it.
1960 * integrate.c (output_inline_function): Call it.
1961 * c-decl.c (duplicate_decls): Call it when redefining an extern
1962 inline. Don't inline the new defn.
1964 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1966 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1968 * .gdbinit: Rename to gdbinit.in.
1969 * gdbinit.in: New file,
1970 * configure.in: Generate .gdbinit from gdbinit.in.
1971 * configure: Regenerated.
1972 * Makefile.in (distclean): Always remove .gdbinit.
1974 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1976 * objc/objc-act.c (start_class): Register implemented_classes with
1979 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1981 * cppfiles.c (_cpp_make_system_header): Generate a file
1984 2001-02-15 Jim Meyering <meyering@lucent.com>
1986 * Makefile.in (install-common): Don't depend on installdirs here.
1987 Instead, make each of the lang.install-common targets (e.g.,
1988 c++.install-common in cp/Make-lang.in) depend on it.
1989 (install-driver): Depend on installdirs.
1991 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1993 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1995 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1998 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2000 * invoke.texi (--param): Document.
2002 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2004 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2006 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2008 * i386.md (extendsfdf2_2): Fix constraints.
2010 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2012 * i386.md (fop_df_3 splitter): Fix operand number.
2014 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2016 * invoke.texi (-mreg-alloc): Nuke.
2017 * i386.c (ix86_reg_alloc_order, regs_allocated,
2018 order_regs_for_local_alloc): Nuke.
2019 (override_options): Kill reg_alloc code.
2020 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2021 (REG_ALLOC_ORDER): SSE goes before I387.
2022 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2023 (ix86_reg_alloc_order): Likewise.
2024 * i386-protos.h (ix86_reg_alloc_order): Kill.
2026 2001-02-14 Richard Henderson <rth@redhat.com>
2028 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2030 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2032 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2034 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2036 * i386-protos.h (ix86_memory_move_cost): Move offline.
2037 * i386.c (ix86_register_move_cost): Compute properly cost of
2038 SSE, MMX and i387 instructions.
2039 (*_cost): Add costs of SSE/MMX moves.
2040 (ix86_memory_move_cost): Move offline from ....; Likewise.
2041 * i386.h (MEMORY_MOVE_COST): .... here;
2042 (struct processor costs): Add new fields to represent costs
2045 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2047 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2048 move_cost together with Matt Kraai's fix.
2050 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2052 * Makefile.in (OBJS): Add params.o.
2054 2001-02-14 Richard Henderson <rth@redhat.com>
2055 DJ Delorie <dj@redhat.com>
2057 * jump.c (jump_optimize_1): When we delete a conditional jump
2058 preceeding a non-conditional jump to effectively the same place,
2059 make sure that the combined jump skips any clobber insns between
2062 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2064 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2066 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2068 * Makefile.in (toplev.o): Depend on params.h.
2069 (intergate.o): Likewise.
2070 (params.o): New target.
2071 * flags.h (inline_max_insns): Remove.
2072 * integrate.c: Include params.h.
2073 Use MAX_INLINE_INSNS instead of inline_max_insns.
2074 * params.c: New file.
2075 * params.h: Likewise.
2076 * params.def: Likewise.
2077 * toplev.c: Include params.h.
2078 (lang_independent_params): New variable.
2079 (decode_f_option): Use the param machinery instead of setting
2081 (independent_decode_option): Handle "--param name=value".
2082 (main): Register language-independent parameters.
2084 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2086 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2088 2001-02-14 Richard Henderson <rth@redhat.com>
2090 * regclass.c (init_reg_sets_1): Revert last two changes.
2092 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2094 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2095 (variable_size): Call put_pending_size.
2096 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2097 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2098 sizes list, put newly created SAVE_EXPR there as well.
2100 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2102 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2103 (errata_find_address_regs): load_group has only 2 entries.
2104 (errata_emit_nops): Likewise. shladd is not problematic.
2105 Clear last_group if nop was emitted.
2106 (fixup_errata): load_group has only 2 entries.
2109 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2111 * c-lex.c (lex_number): Only warn traditionally for U suffix
2112 outside system macros.
2113 * cppexp.c (parse_number): Similarly.
2114 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2115 * cppmacro.c (struct cpp_macro): New member node.
2116 (parse_args): Only warn about missing rest args if not
2118 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2119 (cpp_sys_objmacro_p): New.
2120 (_cpp_create_definition): Store the node with the macro defn.
2121 Remember if the macro is defined in a system header.
2123 2001-02-13 DJ Delorie <dj@redhat.com>
2125 * configure.in (check_languages): determine languages to check
2126 * Makefile.in (check-c++): alias for check-g++
2127 (check-f77): alias for check-g77
2128 (CHECK_TARGETS): depend on configured languages
2130 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2132 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2133 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2134 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2135 (sqrtextendsfdf2): Disable for SSE2.
2137 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2139 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2140 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2141 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2142 (sqrtextendsfdf2): Disable for SSE2.
2144 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2146 * i386.md (movsfcc_1): Support integer cmove instruction.
2147 (movdfcc_1): Likewise; new splitter.
2149 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2151 * i386.c (output_fp_compare): Support SSE.
2152 (prepare_fp_compare_args): SSE comparisons always support memory.
2153 * i386.h (TARGET_CMOVE): SSE imply cmove.
2154 * i386.md (cmp?f2): Enable for SSE too.
2155 (cmpfp_i*): Support SSE.
2157 (cmpfp_i_sse_only): New.
2158 (s*, b* fp expanters): Enable for SSE too.
2159 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2162 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2164 * regclass.c (init_reg_sets_1): Silence warning.
2166 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2168 * i386.md (sqrt?f2): Change to expander.
2169 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2171 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2173 * rtlanal.c (find_reg_equal_equiv_note): New function.
2174 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2175 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2176 * rtl.h: Add declarations for above functions.
2178 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2180 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2182 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2183 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2184 * flow.c (mark_regs_live_at_end): Likewise.
2185 (calculate_global_regs_live): Likewise.
2186 * gcse.c (compute_hash_table): Likewise.
2187 (compute_kill_rd): Likewise.
2188 * resource.c (mark_target_live_regs): Likewise.
2189 * rtl.h (INVALID_REGNUM): New macro.
2191 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2193 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2195 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2197 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2200 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2202 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2204 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2205 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2206 (fop_sf_1_sse, fop_df_1_sse): New patterns
2207 (fop_*): Disable float_extend and float patterns for SSE compilation.
2208 * i386.c (output_387_binary_op): Support SSE.
2210 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2212 * i386.md (dummy_extendsfdf2): Support SSE2
2213 (extendsfdf2): Enable if 80387 or SSE2.
2214 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2215 and no MIX_I387_SSE2
2216 (extendsfdf2_1_sse_only): New pattern.
2217 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2219 (truncdfsf2_1): Support SSE.
2220 (truncdfsf2_2): Support SSE.
2221 (truncdfsf2_2_1_sse): New pattern.
2222 (fixtruncsfsi2): Always use SSE if available.
2223 (fix_truncsfsi_sse): New pattern.
2224 (fix_truncdfsi_sse): New pattern.
2225 (floatsis?f2): Support SSE.
2226 (floatsidf2_i387): New pattern.
2227 (floatsidf2_sse): Likewise.
2229 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2231 * configure.in: Use "have_gnat" variable, not "gnat".
2232 * configure: Regenerated.
2234 * config/sparc/sparc.c (function_value): Treat all non-record
2235 aggregate types like used to treat UNION_TYPE.
2237 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2239 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2240 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2242 (MASK_MIX_SSE_I387): New.
2243 (TARGET_SSE): SSE2 imply SSE.
2244 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2245 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2246 (enum reg_class): Add new classes.
2247 (REG_CLASS_NAMES): Likewise.
2248 (REG_CLASS_CONTENTS): Likewise.
2249 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2250 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2251 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2252 (CLASS_MAX_NREGS): Use new macros.
2253 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2254 * i386.md (pushsf, movsf): Support SSE.
2255 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2256 splitters to use ANY_FP_REGNO_P.
2257 (movdf_nointeger, movdf_integer): Likewise.
2259 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2261 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2262 (try_combine): Use it.
2264 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2266 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2267 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2268 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2269 (REGISTER_MOVE_COST): Likewise.
2270 * i386-protos.h (ix86_secondary_memory_needed,
2271 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2272 * i386.c (ix86_secondary_memory_needed,
2273 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2275 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2277 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2278 (HARD_REGNO_MODE_OK): Move offline to ....
2279 * i386.c (ix86_hard_regno_mode_ok) ... here;
2280 refuse all incorrect modes.
2281 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2283 2001-02-13 Richard Henderson <rth@redhat.com>
2285 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2286 entire operator; replicate that and match_dup the operands.
2287 (cmp_ccx_arith_op_set): Likewise.
2288 (cmp_cc_arith_op_not_set): Likewise.
2289 (cmp_ccx_arith_op_not_set): Likewise.
2291 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2293 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2295 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2297 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2298 (TARGET_NO_BITFIELD_WORD): New macro.
2299 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2300 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2302 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2304 * cselib.c: New file, from simplify-rtx.c.
2305 * simplify-rtx.c: Remove cselib parts.
2306 * Makefile.in: Add cselib.o.
2308 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2310 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2311 (setup_incoming_varargs): Remove warning.
2313 * config/rs6000/rs6000.c (validate_condition_mode): When
2314 flag_fast_math, allow floating-point conditionals to be reversed.
2315 (rs6000_generate_compare): When flag_fast_math, don't generate
2316 cror operations for FP conditionals.
2318 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2320 (ASM_SPEC): Likewise.
2321 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2322 (CC1_SPEC): Likewise.
2323 (LINK_TARGET_SPEC): Likewise.
2324 (CPP_ENDIAN_SPEC): Likewise.
2325 * Makefile.in (check-consistency): New target.
2327 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2329 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2330 "return type defaults" warning for functions with return type
2332 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2333 function declarations by default rather than only when pedantic.
2335 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2337 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2340 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2342 * extend.texi (Deprecated): Deprecate new initializer lists.
2344 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2346 * mkdeps.c (deps_add_default_target): Robustify. Add
2347 basename component only.
2348 * cpp.texi (-M): Describe how default target is generated.
2349 * invoke.texi (-M): Likewise.
2351 2001-02-12 Kazu Hirata <kazu@hxi.com>
2353 * toplev.c (push_float_handler): Remove.
2354 (pop_float_handler): Remove.
2355 * toplev.h: Remove prototypes for the above functions.
2357 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2359 * c-common.c (constant_fits_type_p): New function.
2360 (convert_and_check): Use it.
2362 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2364 * Makefile.in (GXX_ABI_FLAG): Don't define.
2365 * configure.in (--enable-new-gxx-abi): Remove option.
2366 * config.in: Regenerated.
2367 * configure: Likewise.
2369 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2371 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2373 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2374 regular basic block, and arrange for all edges into it to switch
2377 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2379 * Makefile.in (distclean): Do not remove .gdbinit.
2381 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2383 * Makefile.in (gcc.o): Fix typos.
2384 (protize.o): Likewise.
2385 (unprotoize.o): Likewise.
2387 2001-02-11 Richard Henderson <rth@redhat.com>
2389 * tree.c (build1): Check for null operand in last change.
2391 2001-02-11 Richard Henderson <rth@redhat.com>
2393 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2394 (fold): Don't assume a constant isn't foldable.
2395 * tree.c (build): Set TREE_CONSTANT for an expression with no
2396 side-effects and constant operands.
2399 2001-02-10 Richard Henderson <rth@redhat.com>
2401 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2403 2001-02-10 Anthony Green <green@redhat.com>
2405 * cpp.texi (Standard Predefined): Add documentation for
2408 * c-common.c (combine_strings): Improve warning message.
2410 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2412 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2414 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2416 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2418 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2421 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2423 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2426 2001-02-09 Nick Clifton <nickc@redhat.com>
2428 * config/arm/arm.md: Change output contraint on post inc
2429 load/store multiple patterns to be a read/write contraint.
2431 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2433 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2434 .o files when using the -M options.
2436 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2437 David Edelsohn <edelsohn@gnu.org>
2439 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2440 handle DImode constants. Use one TOC entry for SImode and smaller
2441 constants, aligned properly.
2443 2001-02-08 Jason Merrill <jason@redhat.com>
2445 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2446 about the SP adjustment for saving the static chain pointer.
2447 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2448 offset when setting a temporary CFA register.
2450 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2452 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2453 powerpc-*-chorusos* .
2454 * config/rs6000/chorus.h : New file.
2455 * config/i386/chorus.h : New file.
2456 * config/sparc/chorus.h : New file.
2457 * config/sparc/t-chorus-elf : New file.
2459 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2461 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2462 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2463 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2464 (__WCHAR_TYPE__): Correct macro name.
2466 2001-02-08 Richard Henderson <rth@redhat.com>
2468 * config/i386/i386.c (ix86_frame_pointer_required): New.
2469 (ix86_setup_frame_addresses): New.
2470 (struct machine_funciton): Add accesses_prev_frame.
2471 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2472 ix86_frame_pointer_required.
2473 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2474 (SETUP_FRAME_ADDRESSES): New.
2475 * config/i386/i386-protos.h: Update.
2476 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2477 from FRAME_POINTER_REQUIRED.
2478 * config/i386/svr3gas.h: Likewise.
2479 * config/i386/sysv3.h: Likewise.
2480 * config/i386/v3gas.h: Likewise.
2482 2001-02-08 Richard Henderson <rth@redhat.com>
2484 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2485 calculation of the number of integer registers required.
2486 (function_arg_record_value): Likewise.
2488 2001-02-08 Jason Merrill <jason@redhat.com>
2490 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2491 two. Print file and line with "confused" message.
2493 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2495 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2497 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2499 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2501 * final.c (cleanup_subreg_operands): The address of a MEM can
2504 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2507 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2509 * gcc.texi (Incompatibilities): Update documentation of
2510 preprocessing numbers.
2512 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2514 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2516 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2518 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2520 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2521 * gcc.c (struct compiler): Add cpp_spec field.
2522 (input_file_compiler): New variable.
2523 (do_spec_1): Allow a particular compiler to handle `%C'
2525 (main): Store the current compiler in input_file_compiler.
2526 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2528 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2530 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2531 * cppinit.c (cpp_create_reader): Initialize them.
2532 (append_include_chain): cxx_aware arg might be unused.
2533 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2534 keywords and give them their phase 7 meaning. Pedwarn about
2535 this unless '__bool_true_false_are_defined' is defined.
2537 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2539 * lcm.c (optimize_mode_switching): Emit mode_set before the
2540 JUMP_INSN of an abnormal edge.
2542 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2544 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2545 a scheduling barrier at the end.
2547 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2549 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2551 * config/sh/sh.md (reload_outsf): Removed.
2552 (movsf_ie): Introduce constraints for FPUL loads and stores.
2553 (reload_insf): Broaden the output constraint.
2555 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2557 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2558 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2560 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2562 * final.c: Revert my previous changes.
2563 * output.h: Make profile_label_no extern.
2564 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2565 for generating label.
2567 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2569 * config/i386/djgpp.h: Add comments about standard paths.
2570 (MD_EXEC_PREFIX): Undefine before defining.
2571 (MD_STARTFILE_PREFIX): New.
2573 2001-01-30 Bruce Korb <bkorb@gnu.org>
2575 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2576 (load_file): do not rely on load_file_data() to close file pointer
2577 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2578 fixinc/inclhack.def(irix_limits_const): add test_text
2580 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2582 * cppexp.c (parse_defined): Improve diagnostics for invalid
2585 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2587 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2589 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2591 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2592 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2593 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2594 (rs6000_output_symbol_ref): New function.
2595 (output_toc): Use VTABLE_NAME_P.
2597 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2599 * print-tree.c (print_node, case PARM_DECL):
2600 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2602 * stor-layout.c (reference_types_internal): New variable.
2603 (internal_reference_types): New function.
2604 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2605 * tree.h (internal_reference_types): New declaration.
2607 * cse.c (find_best_addr): Fix typo in computing cost.
2609 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2611 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2612 and this is the sum of a pointer and a constant, we know the result
2614 (num_sign_bit_copies, case PLUS): Likewise.
2615 * explow.c (convert_memory_address): Remove opposite SUBREG.
2616 * function.c (instantiate_new_reg): New function (from common code).
2617 (instantiate_virtual_regs_1): Call it.
2618 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2619 if pointers sign- or zero-extend.
2620 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2621 If pointers extend unsigned, use inside of SUBREG.
2622 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2624 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2626 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2627 subdir of gcc_gxx_include_dir.
2628 (gcc_gxx_target_include_dir): Remove.
2630 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2632 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2633 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2634 a high-level description.
2636 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2638 * final.c: Move the declaration of profile_label_no to ...
2639 * output.h: ... here.
2640 * function.c (expand_function_start): Call PROFILE_HOOK.
2641 * config/rs6000/aix.h: Define PROFILE_HOOK.
2642 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2643 * config/rs6000/rs6000.c (output_profile_hook): Define.
2644 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2645 output_profile_hook.
2646 tm.texi : Explain new macro PROFILE_HOOK.
2648 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2650 * extend.texi (Extended Asm): Do not say that semicolon is always
2651 a valid line-breaking character for GNU assemblers. Use
2652 newline-tab as the most commonly supported syntax. Use
2653 newline-tab rather than semicolon in multi-insn examples.
2655 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2657 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2659 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2660 David Edelsohn <edelsohn@gnu.org>
2662 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2663 code for AIX, even without flag_pic.
2665 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2667 * c-typeck.c (common_type): push and pop binding level around
2668 calling common_type on function parameters.
2670 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2672 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2674 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2676 * config/mips/mips.c (override_options): Fix typo in last change.
2677 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2678 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2680 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2682 * invoke.texi (-fdump-class-layout): Document.
2683 (-fdump-translation-unit): Use `=' as filename separator.
2685 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2687 * Makefile.in (s-mlib): Don't build multilibs if
2689 (DRIVER_DEFINES): Adjust accordingly.
2691 (protoize.o): Likewise.
2692 (unprotoize.o): Likewise.
2693 * configure.in: Recognize --enable-multilib.
2695 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2697 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2699 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2700 * configure.in: Remove --enable-libstdcxx_v3 support.
2701 * configure: Regenerated.
2703 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2705 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2706 Call abort instead of fatal.
2707 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2708 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2709 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2710 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2711 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2712 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2714 * diagnostic.h (set_internal_error_function): Renamed.
2715 * toplev.h (internal_error): Renamed from fatal.
2716 (pfatal_with_name): Deleted.
2717 (fatal_io_error): Now has printf-style arguments.
2718 * diagnostic.c (pfatal_with_name): Deleted.
2719 (fatal_io_error): Rework to have args in printf-style.
2720 (set_internal_error_function): Renamed from set_fatal_function.
2721 (internal_error): Renamed from fatal.
2722 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2723 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2724 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2725 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2726 * flow.c (verify_flow_info): Likewise.
2727 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2728 * config/mips/mips.c (save_restore_insns): Likewise.
2730 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2731 * flow.c (verify_flow_info): Likewise.
2732 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2733 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2734 (avr_normalize_condition): Likewise.
2735 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2736 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2737 (limit_reload_class, double_reg_to_memory): Likewise.
2738 (print_operand_address, emit_1600_code_shift): Likewise.
2739 (gen_tst_reg, gen_compare_reg): Likewise.
2740 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2741 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2743 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2745 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2746 * objc/objc-act.c (build_ivar_chain): Likewise.
2747 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2749 * graph.c (clean_graph_dump_file): Likewise.
2750 * profile.c (init_branch_prob): Likewise.
2751 * objc/objc-act.c (objc_init): Likewise.
2753 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2754 * config/avr/avr.c (avr_override_options): Likewise.
2755 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2756 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2757 * config/h8300/h8300.c (h8300_init_once): Likewise.
2758 * config/mips/mips.c (override_options): Likewise.
2759 * config/i386/i386.c (override_options): Likewise, rework.
2760 * config/m68k/m68k.c (override_options): Likewise.
2762 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2764 * config/mips/mips.c (print_operand): Likewise.
2765 * hash.c (hash_allocate): Don't check for failure returns from
2766 obstack functions that can't fail.
2767 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2768 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2769 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2770 (get_object_reference): Likewise.
2772 2001-02-04 Nick Clifton <nickc@redhat.com>
2774 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2775 StrongARM1110, 10TDMI, and 1020T.
2777 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2779 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2781 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2783 * config/sh/sh.md (movdf load split): Pass register number to
2784 FP_OR_XD_REGISTER_P.
2786 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2788 * cppinit.c (BC): New macro.
2789 (builtin_array): Add __GXX_WEAK__.
2790 * cpplib.h (builtin_type): Add BT_WEAK.
2791 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2792 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2793 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2795 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2797 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2799 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2801 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2802 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2804 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2806 * cpphash.h: Rename ALIGN _ALIGN.
2807 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2809 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2811 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2812 compilation environment.
2813 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2814 control over location of cygwin includes and libs.
2816 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2818 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2820 2001-02-02 lars brinkhoff <lars@nocrew.org>
2822 * md.texi (Standard Names): remove reference to spur.md.
2824 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2826 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2827 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2828 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2829 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2830 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2832 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2834 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2835 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2836 number before reload.
2837 (c4x_adjust_cost): Return zero before reload.
2838 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2839 split before reload.
2841 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2843 * c4x.c (c4x_hard_regno_rename_ok): New.
2844 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2845 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2847 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2849 * diagnostic.h: Add missing "extern" in all declarations.
2851 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2853 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2854 as for gcc_gxx_include_dir.
2856 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2858 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2860 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2862 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2863 label before alignment to be used as the braf base address.
2864 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2866 (casesi_jump_2): Require at least TARGET_SH2.
2868 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2869 truncation to 32-bit doubles on -m3e and -m4-single-only.
2871 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2873 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2874 the default when building a shared object.
2875 (init_spec): Use it.
2876 * testsuite/lib/g++.exp: Include the directory where libgcc
2877 is located to the LD_LIBRARY_PATH list.
2878 * invoke.texi (-shared-libgcc): Document the cases in which
2879 GCC defaults to using the shared libgcc.
2881 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2883 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2884 unsigned is wide enough.
2886 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2887 (si_to_float): Likewise.
2888 (float_to_si, float_to_usi): Use BITS_PER_SI.
2890 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2892 * dwarf2out.c: Added explanation of abbreviations.
2893 (def_cfa_1): Added comments listing DWARF2 instructions.
2894 (cfa_temp_reg): Removed in favor of cfa_temp.
2895 (cfa_temp_value): Removed in favor of cfa_temp.
2896 (cfa_temp): New global variable.
2897 (dwarf2out_frame_debug_expr): Added extensive introductory
2898 comments explaining the function's transformations. Revised to
2899 use cfa_temp. Added some rtx checking. Generalize IOR case.
2900 (dwarf2out_frame_debug): Revised to use cfa_temp.
2901 (output_aranges): Cast as "unsigned" to avoid warning.
2902 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2903 explain which instructions must be marked.
2905 2001-02-01 Richard Henderson <rth@redhat.com>
2907 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2910 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2912 * config/sh/crt1.asm (main_k): Modified so that start calls
2913 ___setup_argv_and_call_main.
2915 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2917 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2918 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2919 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2920 * cppmacro.c (builtin_macro): Set builtin flags here.
2921 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2922 (replace_args): Clarify intent.
2923 (cpp_get_token): Macro expansion tokens get the saved flags.
2925 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2928 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2930 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2933 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2935 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2936 returns Pmode pseudo, but we need ptr_mode.
2937 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2938 Remove bogus conversions; use HOST_WIDE_INT for size.
2939 Don't use TARGET if wrong mode.
2941 * config/i386/i386.c (ix86_compute_frame_size): Allow
2942 stack_alignment_needed to be non-default even if size is zero.
2944 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2946 * (hppa_init_pic_save): Emit the pic offset table
2947 reg save after last_parm_insn.
2948 * pa.c (hppa_init_pic_save): New function.
2949 * pa.h (hppa_init_pic_save): Declare.
2950 * pa.md (call, call_value, sibcall, sibcall_value): Use
2951 the above instead of duplicated code.
2953 * pa.c (hppa_encode_label): Correct size of alloca buffer
2954 so we don't overrun it. Correct leading `*' case.
2955 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2956 need to handle `*@'.
2957 (FUNCTION_NAME_P): Likewise.
2959 2001-01-31 Richard Henderson <rth@redhat.com>
2961 * config.gcc (alpha-osf5): Use float-i128.h.
2963 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2964 * config/float-i32.h: Likewise.
2965 * config/float-i64.h: Likewise.
2966 * config/float-sh.h: Likewise.
2967 * config/float-sparc.h: Likewise.
2969 2001-01-31 DJ Delorie <dj@redhat.com>
2971 * expmed.c (extract_bit_field): allow non-integral modes if we
2972 want to extract a whole register from itself.
2974 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2976 * c-typeck.c (set_init_index): If first is equal to last, assume as
2977 if it was not a range at all.
2979 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2981 * config/fp-bit.c: Include tm.h.
2982 (float_to_si): Don't assume SImode is 32-bits wide.
2983 (float_to_usi): Likewise.
2985 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2987 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2989 (typename): Call pending_xref_error after parsing typed_typespecs.
2990 * c-decl.c (lookup_tag): Give error immediately rather than
2991 leaving it pending if the tag of the wrong type is in the same
2993 (xref_tag): Don't pedwarn for forward declarations of enum types
2995 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2998 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3000 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3002 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3004 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3005 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3007 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3009 * cpphash.h (struct cpp_reader): New saved_flags.
3010 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3011 to avoid a paste after a pasted token.
3013 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3015 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3016 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3017 Wtype_MIN instead of LONG_MIN.
3019 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3021 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3023 * fixinc/fixincl.x: Regenerated.
3024 * fixinc/inclhack.def (irix_limits_const): New definition to
3025 convert "const" to "__const" in limits.h.
3027 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3029 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3031 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3033 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3034 when register dies in the insn.
3036 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3038 * diagnostic.c (fatal): Fix word wrap.
3040 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3042 * combine.c (try_combine): Fix SUBREG setting for
3043 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3045 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3047 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3050 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3052 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3054 * toplev.c (decode_W_option): Update warn_larger_than
3055 unconditionally for each processed switch.
3057 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3059 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3061 (hppa_expand_prologue): Delete code to save pic offset table register
3062 in the function prologue.
3063 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3064 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3065 table register at the beginning of the function after the prologue.
3067 2001-01-29 lars brinkhoff <lars@nocrew.org>
3069 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3071 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3072 Jeff Law <law@redhat.com>
3074 * pa.md (return): Revise comment for trivial return.
3075 (return_internal): Non-trivial return pattern for non-PIC code.
3076 (return_internal_pic): Non-trivial return pattern for PIC code.
3077 It uses the PIC register to ensure it is restored after
3079 (epilogue): Generate appropriate return for PIC and non-PIC code.
3081 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3083 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3085 2001-01-29 DJ Delorie <dj@redhat.com>
3087 * combine.c (if_then_else_cond): Pass the correct mode to
3088 operand_subword() for constants.
3090 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3092 * config/i386/cygwin.h: Add w32api to include search. Search different
3093 directories in a cross-build environment.
3095 2001-11-29 Tim Josling <tej@melbpc.org.au>
3097 * tree.h (TYPE_STUB_DECL): Add documentation.
3099 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3101 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3102 (sdbout_field_types): Likwise. Fix use of host_integerp.
3104 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3106 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3109 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3111 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3112 to use flag_gnu_linker.
3114 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3116 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3117 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3119 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3121 * tree.c, tree.h (build_parse_node): Remove; was identical to
3123 * c-lang.c (start_cdtor), objc/objc-act.c
3124 (build_module_descriptor): Use build_nt instead of
3127 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3129 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3130 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3131 not have any upper bits set.
3133 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3135 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3137 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3139 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3141 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3143 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3144 (integer_minus_one_node): Define.
3146 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3148 * Makefile.in (bootstrap2-lean): Fix typo.
3150 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3152 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3153 : Don't set fe_value.
3154 * cpplib.h (AVOID_LPASTE): New flag.
3155 (struct cpp_hashnode): Remove fe_value.
3156 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3157 * cppmacro.c (builtin_macro): Don't set flags here.
3158 (replace_args): Set AVOID_LPASTE flag on first token of an
3159 argument, and the token following it.
3160 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3161 macro expansion, and on the token following it. Do it for
3163 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3165 2001-01-27 Richard Henderson <rth@redhat.com>
3167 * config/alpha/t-ieee: Remove multilibbing.
3168 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3170 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3172 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3174 * Makefile.in: Remove all dependencies on defaults.h.
3175 * builtins.c: Don't include defaults.h.
3176 * c-common.c: Likewise.
3177 * c-decl.c: Likewise.
3178 * c-pragma.c: Likewise.
3179 * c-typeck.c: Likewise.
3180 * combine.c: Likewise.
3182 * frame-ia64.c: Likewise.
3183 * cppexp.c: Likewise.
3184 * crtstuff.c: Likewise.
3185 * dbxout.c: Likewise.
3186 * dwarf2out.c: Likewise.
3187 * dwarfout.c: Likewise.
3188 * emit-rtl.c: Likewise.
3189 * except.c: Likewise.
3191 * final.c: Likewise.
3192 * frame-dwarf2.c: Likewise.
3193 * libgcc2.c: Likewise.
3194 * optabs.c: Likewise.
3195 * profile.c: Likewise.
3196 * sdbout.c: Likewise.
3197 * toplev.c: Likewise.
3198 * tradcif.y: Likewise.
3200 * varasm.c: Likewise.
3202 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3204 * builtins.c (expand_builtin_fputs): Use size_one_node when
3205 transforming into fwrite.
3207 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3209 * extend.texi (Attribute Syntax): New section.
3211 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3213 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3214 they didn't need fixing.
3216 2001-01-27 Janis Johnson <janis@us.ibm.com>
3218 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3220 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3221 to remove macro definitions that are duplicated from elfos.h.
3223 2001-01-27 Richard Henderson <rth@redhat.com>
3225 * config/i386/sco5gas.h: Move ...
3226 * config/usegas.h: ... here.
3227 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3229 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3231 * c-typeck.c (struct constructor_stack): Add range_stack member.
3232 (really_start_incremental_init): Clear it.
3233 (push_init_level): Save constructor_range_stack and clear it if
3234 pushing explicit braces.
3235 (pop_init_level): abort if constructor_range_stack is non-zero at
3236 explicit closing brace. Restore saved constructor_range_stack if
3239 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3241 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3242 into register was forced into memory.
3244 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3246 * Makefile.in: Remove uses of + before $(MAKE).
3248 2001-01-26 Richard Henderson <rth@redhat.com>
3250 * stmt.c (cost_table): Remove.
3251 (COST_TABLE, cost_table_initialized): New.
3252 (estimate_case_costs): Use the later instead of the former.
3253 (balance_case_nodes): Likewise.
3255 2001-01-26 Richard Henderson <rth@redhat.com>
3257 * alias.c (objects_must_conflict_p): Read-only slots may not
3258 conflict despite having the same type.
3260 2001-01-27 Michael Hayes <mhayes@redhat.com>
3262 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3264 (check_ext_dependant_givs): Initialise u_start_val and
3266 (load_mems): Make last_max_reg unsigned.
3267 (try_swap_copy_prop): Use INSN_P and initialise set.
3269 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3271 * README.AVR : Removed.
3273 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3275 * pa-64.h (text_section): Remove declaration.
3277 * pa.md (return_internal): Remove mode on PIC register use.
3279 2001-01-25 lars brinkhoff <lars@nocrew.org>
3281 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3282 ASM_CLOSE_PAREN): fix typos.
3284 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3286 * acconfig.h: Define `const' to the empty string if neither
3287 __STDC__ nor __cplusplus is defined.
3288 * config.in: Regenerated.
3290 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3292 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3293 * collect2.c (main): Delete importf. Add ".obj" file extension.
3294 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3295 (aix_std_libs): Add additional AIX libraries to skip.
3296 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3297 * config/rs6000/aix51.h: New file.
3299 2001-01-25 Michael Hayes <mhayes@redhat.com>
3301 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3302 (loop_insn_emit_before): No longer static.
3303 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3304 (loop_givs_rescan, load_mems): Likewise.
3305 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3306 (maybe_eliminate_biv_1):
3307 (move_movables): Replace emit_call_insn_before with
3308 loop_call_insn_hoist.
3309 * loop.h (loop_insn_emit_before): Add.
3310 * unroll.c (copy_loop_body): Replace emit_insn_before with
3311 loop_insn_emit_before.
3313 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3315 * diagnostic.c (fatal): Request preprocessed source.
3317 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3319 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3320 olddecl has argument types and newdecl has none, use the argument
3323 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3325 * dwarf2out.c (prefix_of): New function. Determine longest common
3326 prefix of the two arguments. The units are whole path components.
3327 (output_file_names): When adding a new directory find the one entry
3328 with the longest common prefix already in the list. Artificially
3329 generate entry if there is none for this prefix.
3330 Fix test to check whether the zeroth directory entry is used.
3332 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3334 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3335 Changed all callers. Take it into account when deciding if a
3336 previously loaded value matches.
3338 2001-01-24 Richard Henderson <rth@redhat.com>
3340 * reload.c (find_reloads_subreg_address): Fail the substitution
3341 if the resulting address is insufficiently aligned.
3343 2001-01-24 DJ Delorie <dj@redhat.com>
3345 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3346 check the original operand's mode also.
3347 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3349 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3351 * c-parse.in (cast_expr): Move compound literals from here ...
3352 (primary): ... to here. Use standard terminology "compound
3353 literal" instead of "constructor expression".
3355 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3357 * gcc.1, cpp.1: Regenerate.
3359 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3361 * calls.c (emit_library_call_value_1): Memory slot for
3362 pass-by-reference argument should have the mode of the argument,
3363 not of the pointer to it.
3365 2001-01-24 Tom Tromey <tromey@redhat.com>
3367 * gcc.texi (G++ and GCC): Mention gcj manual.
3368 (Standards): Link to section of manual mentioning gcj/Java
3371 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3373 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3374 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3375 * tradcpp.c (main): Add -imacros or -include'd dependencies
3377 * cpp.texi (-M, -MM): Document -M -include behaviour.
3379 2001-01-24 Roger Collins <roger@ProProject.com>
3381 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3383 2001-01-24 Will Cohen <wcohen@redhat.com>
3385 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3386 whether registers are 32 bits or 64 bits in size.
3388 2001-01-24 Ben Elliston <bje@redhat.com>
3390 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3392 2001-01-24 Richard Henderson <rth@redhat.com>
3394 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3395 (builtin_longjmp): Use it instead of emit_indirect_jump.
3397 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3399 * bb-reorder.c (make_reorder_chain_1): Handle case where
3400 jump edge goes to the same block as the fallthru edge.
3402 2001-01-23 Jim Wilson <wilson@redhat.com>
3404 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3405 * frame.h (__ia64_personality_v1): Add prototype.
3406 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3407 prototype form. Add void * cast to first argument to personality
3409 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3410 (asctoe113): Likewise.
3411 * config/ia64/frame-ia64.c: Include eh-common.h.
3412 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3414 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3416 (itanium_split_issue): Add prototype.
3417 (gen_nop_type): Ifdef out.
3418 (find_best_packet): Initialize best_packet.
3419 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3421 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3422 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3423 (flushrs): Add explicit stop bit at end.
3424 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3427 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3429 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3431 * libgcc2.c (__terminate_func): Make variable static.
3432 (__terminate_set_func): New function to set __terminate_func.
3433 * libgcc2.h (__terminate_func_ptr): New typedef.
3434 (__terminate_set_func): New function.
3436 2001-01-23 Richard Henderson <rth@redhat.com>
3438 * flow.c (init_propagate_block_info): Don't consider unchanging
3439 memories for dead frame store elimination.
3441 2001-01-23 Richard Henderson <rth@redhat.com>
3443 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3444 * defaults.h: ... here.
3446 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3448 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3450 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3452 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3454 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3456 * rs6000.h (rs6000_return_addr): Move prototype from here...
3457 * rs6000-protos.h (rs6000_return_addr): ...to here.
3458 (rs6000_init_expanders): Delete prototype.
3460 2001-01-23 Nick Clifton <nickc@redhat.com>
3462 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3463 (Spec Files): Document %B and %j and %. and %v3 and %M and
3464 %{S*&T} spec switches.
3466 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3468 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3470 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3471 Neil Booth <neil@daikokuya.demon.co.uk>
3473 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3474 Have -Werror make pedantic warnings errors, like the
3477 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3479 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3481 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3483 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3484 * integrate.c (expand_inline_function): Initialize them.
3485 (subst_constants): If changing COMPARE so that both its arguments
3486 will be VOIDmode and the comparison mode will be lost, note
3487 compare_mode. Use the recorded compare_mode to optimize
3490 2001-01-23 Jason Merrill <jason@redhat.com>
3492 * dwarf2out.c (new_die): Use xcalloc.
3493 (output_die): Abort rather than emit a local reference to offset 0.
3495 2001-01-17 Andrew Haley <aph@redhat.com>
3497 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3498 of a saved register; return NULL instead.
3499 (copy_reg): Take a pointer to a source register rather than a
3501 (next_stack_level): Remember the address in the stack frame of all
3503 Use the saved register pointer array as the source of the CFA.
3504 (throw_helper): Rewrite. Unwind once rather than twice and keep
3505 track of saved registers as we go.
3507 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3509 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3510 * c4x.c (c4x_legitimize_reload_address): Remove.
3511 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3512 reload address for ldp(k) insn.
3514 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3516 * pa.md (return_internal): Add a USE of the PIC register to ensure
3517 it is restored after each call.
3518 (return expander): Corresponding changes.
3520 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3522 * rs6000.h (INIT_EXPANDERS): Delete.
3523 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3524 * rs6000.c (rs6000_override_options): Call *_machine_status from
3526 (rs6000_init_expanders): ...instead of here. Delete.
3527 (rs6000_mark_machine_status): New function.
3528 (rs6000_init_machine_status): Use xcalloc.
3529 (rs6000_return_addr): Generate RTX for the return address.
3530 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3531 (rs6000_stack_info): Use it.
3533 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3535 * gthr-win32.h: Include errno.h to get a declaration for
3536 EINVAL and _mingw.h if the target is mingw32.
3538 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3540 * cpp.texi: Correct typos.
3542 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3544 * explow.c (probe_stack_range): Ensure value passed to
3545 stack_check_libfunc is ptr_mode, not Pmode.
3547 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3549 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3550 case, don't use operand_subword to calculate a SUBREG that is
3553 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3555 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3557 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3558 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3559 valid. If not replace it by equivalent insns.
3561 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3563 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3564 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3565 (c4x_U_constraint, symbolic_address_operand): Likewise.
3566 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3568 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3569 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3570 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3571 anulling slot because of silicon bug.
3572 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3574 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3576 * cppexp.c (parse_charconst): Change `mask' type to agree
3579 2001-01-21 Richard Henderson <rth@redhat.com>
3581 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3582 pic_label_name in a linkonce section.
3584 2001-01-17 Philipp Thomas <pthomas@suse.de>
3586 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3588 * configure: Regenerate.
3590 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3592 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3593 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3595 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3597 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3598 If REVERSE nonzero then condition code in X must be reversed.
3599 (encode_section_info): Optimise if/else.
3600 (avr_function_value): Fix formatting.
3602 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3603 (difficult_branch): Likewise.
3604 (rvbranch): Likewise.
3605 (difficult_rvbranch): Likewise.
3607 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3609 * config/avr/libgcc.S: Fix comment.
3611 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3613 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3615 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3617 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3619 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3621 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3622 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3623 * configure, config.in: Regenerate.
3624 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3625 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3626 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3627 (doprint.o): New rule.
3629 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3631 * c-typeck.c (digest_init): Handle boolean types as scalars.
3633 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3635 * stmt.c (expand_return): Don't return anything if size is zero.
3636 Delete redundant assignment to BYTES.
3637 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3639 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3641 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3642 the same as the default library function names.
3643 * config/avr/avr.md: Document special characters after '%'.
3644 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3645 knowing which of the call-used registers are really clobbered.
3646 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3647 New. Both quotient and remainder from one libgcc.S call.
3648 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3649 clobber as few registers as possible.
3650 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3652 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3654 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3655 context of the top of the stack.
3657 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3659 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3660 (fixup_var_refs_insns): ...here.
3662 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3664 * function.c (fixup_var_refs_insns): Break up into
3665 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3666 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3667 [loop over hash table entries].
3668 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3669 fixup_var_refs_insns_with_hash, to match above changes.
3671 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3673 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3674 (libgcc.a): Likewise.
3675 (stmp-multilib): Likewise.
3676 (STAGE2_FLAGS_TO_PASS): Likewise.
3678 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3680 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3681 temporary if no_new_pseudos.
3683 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3685 * cppinternals.texi: Update.
3687 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3689 * arm.c (arm_init_builtins): Re-enable builtins.
3691 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3693 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3694 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3695 element to be null, and always expect an EXPR_LIST.
3696 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3697 * sched-deps.c (sched_analyze_1): Likewise.
3698 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3700 * regclass.c (max_set_parallel): New variable.
3701 (reg_scan): Take it into account in computation of max_parallel.
3702 (reg_scan_mark_refs, case SET): Compute it.
3704 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3706 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3707 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3709 2001-01-19 Jason Merrill <jason@redhat.com>
3711 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3712 for the abstract instance of an inline function.
3714 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3715 J"orn Rennecke <amylaar@redhat.com>
3717 * reload1.c (move2add_note_store): Treat all registers directly or
3718 indirectly derived from a base register as members of the same set
3720 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3721 of base register into account.
3723 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3725 * alias.c (find_base_value): Recognize TRUNCATE.
3726 (record_set): In PLUS case, invalidate if other summand is also a
3729 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3731 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3732 entry to be EXPR_LIST.
3733 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3734 be an EXPR_LIST (but not null, which other code doesn't allow).
3735 (note_stores): Properly handle PARALLEL in SET.
3736 Recursively call for top-level PARALLEL.
3737 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3738 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3740 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3742 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3744 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3745 not pfile->skipping (== 0).
3747 2001-01-17 Nick Clifton <nickc@redhat.com>
3749 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3752 2001-01-17 Jim Wilson <wilson@redhat.com>
3754 * invoke.texi (IA-64 options): Improve.
3756 2001-01-17 Tom Tromey <tromey@redhat.com>
3758 * invoke.texi (Optimize Options): Use `{}' to around @samp
3761 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3763 * invoke.texi (-fno-guess-branch-probability): New option.
3765 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3767 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3768 case of making new double-word constant.
3769 Revert last change: instead just test i3_subst_into_i2.
3771 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3773 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3774 Use q constraints instead of r.
3776 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3778 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3779 (machine_function): Define.
3780 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3781 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3782 pa_free_machine_status): New functions.
3783 (override_options): Set {init,mark,free}_machine_status to above.
3784 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3785 PIC_OFFSET_TABLE_REGNUM_SAVED.
3786 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3787 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3788 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3789 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3790 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3792 2001-01-15 DJ Delorie <dj@redhat.com>
3794 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3798 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3800 * flow.c (propagate_on_insn): Make trying to delete a prologue
3801 or epilogue insn an ICE, not a warning. Allow doing this if
3802 the current function returns with stack pointer depressed.
3804 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3805 I3 having more than one SET.
3807 2001-01-16 Jim Wilson <wilson@redhat.com>
3809 * invoke.texi: Document IA-64 options.
3811 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3812 (fixup_errata): Delete TARGET_A_STEP use.
3813 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3814 (TARGET_SWITCHES): Delete -ma-step option.
3815 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3816 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3817 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3818 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3819 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3820 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3822 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3823 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3824 cmovsi_internal): Delete ! TARGET_A_STEP check.
3826 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3828 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3829 possibility to report bugs via postal mail. Change a URL and
3830 merge in a nearly duplicate statement...
3831 (Bug Reporting): ...from here.
3832 (Service): Refer to the Bug Reporting section instead of
3834 (Contributing): Remove trivial explanations concerning snapshots.
3836 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3838 * cppmain.c (general_init): Don't use ANSI prototype.
3840 2001-01-16 Tom Tromey <tromey@redhat.com>
3842 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3844 2001-01-16 Richard Henderson <rth@redhat.com>
3846 * config/i386/i386.h: Fix comment typo.
3847 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3848 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3850 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3852 * gcc.c: Revert previous -fsyntax-only-related change; move
3855 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3857 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3858 inmode after checking GET_CODE (op).
3860 2001-01-16 Richard Henderson <rth@redhat.com>
3862 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3863 (MAX_MEM_SET_LIST_LEN): New.
3864 (propagate_one_insn): Update mem_set_list_len.
3865 (invalidate_mems_from_autoinc): Likewise.
3866 (invalidate_mems_from_set): Likewise.
3867 (mark_used_regs): Likewise.
3868 (init_propagate_block_info): Likewise. Stop collecting memories
3869 when we reach MAX_MEM_SET_LIST_LEN.
3870 (mark_set_1): Likewise.
3872 2001-01-16 Richard Henderson <rth@redhat.com>
3874 * unroll.c (precondition_loop_p): Fail if no iteration
3877 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3879 * gcc.c: When -fsyntax-only is given, do not complain about
3882 2001-01-15 Richard Henderson <rth@redhat.com>
3884 * config/i386/i386.c (asm_output_function_prefix): Remove.
3885 (ix86_asm_file_end): New.
3886 (load_pic_register): Generate pic_label_name into a
3887 staticly allocated buffer.
3888 * config/i386/i386-protos.h: Update.
3889 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3890 (ASM_FILE_END): New.
3891 * config/i386/i386afe.h: New file.
3892 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3893 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3894 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3895 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3896 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3897 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3898 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3900 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3902 * Makefile.in (install-man): Remove explicit dependency on
3905 * configure.in, configure: Revert previous patch requiring perl
3908 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3910 * toplev.c (flag_guess_branch_prob): New.
3911 (f_options): Add guess-branch-probability option.
3912 (rest_of_decl_compilation): Only estimate branch probability if
3914 (main): set flag_guess_branch_prob.
3916 * flags.h (flag_guess_branch_prob): New.
3918 2001-01-15 DJ Delorie <dj@redhat.com>
3920 * gcc.texi (Makefile): Add documentation for Makefile targets.
3922 2001-01-15 Philip Blundell <philb@gnu.org>
3924 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3926 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3927 (is_pic): Delete declaration.
3928 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3929 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3930 * config/arm/arm.md (builtin_setjmp_receiver): New.
3932 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3934 * arm.c (use_return_insn): Don't try to determine the function type
3935 until after reload has completed.
3936 (arm_output_epilogue): Don't adjust the sp value recovered from the
3938 (emit_multi_reg_push): Don't record dwarf information for the pc.
3939 * arm.md (eh_epilogue): The function type may have changed, so it
3940 needs to be recalculated.
3941 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3942 unwind tables on arm/netbsd.
3944 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3946 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3947 (negated_cbranchsi4): Likewise.
3949 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3951 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3952 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3953 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3954 pass -mapcs-* options to assembler.
3955 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3956 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3957 (ASM_SPEC): Call subtarget_extra_asm_spec.
3959 2001-01-15 Andreas Jaeger <aj@suse.de>
3961 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3963 (ix86_expand_builtin): Likewise.
3965 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3966 warning about comparison between signed and unsigned.
3968 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3970 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3972 2001-01-14 Ralf Baechle <ralf@gnu.org>
3974 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3975 SUBTARGET_CPP_SPEC apropriatly.
3977 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3979 * varasm.c (make_decl_rtl): Fix typo in last change.
3981 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3983 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3984 linker supports the init_priority C++ attribute.
3985 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3986 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3987 linker does not support init_priority C++ attribute.
3989 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3991 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3993 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3995 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3996 * cp/lex.c (finish_parse): Similarly.
3997 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3998 Return the number of errors encountered.
3999 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4000 * cppmain.c (main): Don't call cpp_destroy.
4002 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4004 * configure.in: Require at least perl 5.6.0 to regenerate
4006 * configure: Regenerate.
4008 2001-01-14 Richard Henderson <rth@redhat.com>
4010 * genrecog.c (DT_veclen_ge): New.
4011 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4012 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4013 (nodes_identical_1): Handle DT_veclen_ge.
4014 (write_cond, debug_decision_2): Likewise.
4016 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4018 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4020 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4022 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4024 * cppmain.c (do_preprocessing): New function; most of the old
4026 (main): Call it to do most of the work.
4027 (cb): Move from global scope to set_callbacks ().
4028 (setup_callbacks): Get the callback pointer.
4029 (general_init, printer_init): Clean up code and comments.
4031 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4033 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4036 2001-01-14 Kazu Hirata <kazu@hxi.com>
4038 * config/h8300/h8300.c (get_shift_alg): Update comments.
4040 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4042 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4043 (alloc_page, ggc_alloc): Add casts to remove warnings.
4045 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4047 * combine.c (simplify_comparison): Don't change `code' when
4048 can't reverse comparison.
4050 2001-01-14 Richard Henderson <rth@redhat.com>
4052 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4053 update all call sites. Return true for all non-label constants.
4055 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4057 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4059 (ix86_expand_branch): Update.
4060 (ix86_expand_setcc): Update to handle multiple test conditions.
4061 (expand_int_movcc): Likewise.
4062 (expand_fp_movcc): Likewise.
4063 * i386-protos.h (ix86_expand_compare): New.
4064 * i386.md (andqi_?_slp, orqi_?_slp): New.
4065 (conditional trap expander): Update call to ix86_expand_compare.
4067 2001-01-14 Richard Henderson <rth@redhat.com>
4069 * config/vax/vax.md: Use nonimmediate_operand instead of
4070 general_operand in destinations.
4072 * config/vax/vax.md (indirect_jump): Use register_operand.
4074 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4075 * config/vax/vax.md (call_pop): Turn into an expander.
4076 (call_value_pop): Likewise.
4077 (call, call_value): New.
4079 2001-01-14 Andreas Jaeger <aj@suse.de>
4081 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4083 (ix86_fp_compare_mode): Add unused attribute.
4084 (ix86_expand_fp_movcc): Remove unused variable.
4085 (ix86_expand_builtin): Make fcode unsigned.
4087 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4088 (expand_expr): Add cast to avoid signed warning.
4089 (store_field): Likewise.
4090 (store_constructor_field): Likewise.
4091 (store_constructor): Likewise.
4092 (store_expr): Likewise.
4093 (clear_storage): Likewise.
4094 (emit_group_store): Likewise.
4095 (emit_group_load): Likewise.
4097 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4099 * c-common.c: Move format checking code to ...
4100 * c-format.c: ... here. New file. Reorder some functions and
4102 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4104 * c-common.h (decl_handle_format_attribute,
4105 decl_handle_format_arg_attribute): Declare.
4106 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4107 (c-common.o): Adjust dependencies.
4108 (c-format.o): New list of dependencies.
4110 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4112 * unroll.c (loop_iterations): If we cannot prove iteration variable
4113 is set once in each iteration, punt.
4115 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4117 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4118 (*strlenhi): Remove clobber (which was buggy) of output address.
4120 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4122 * Makefile.in (generated-manpages): Add gcc.1
4123 ($(srcdir)/gcc.1): New target.
4124 (maintainer-clean): Delete $(srcdir)/gcc.1.
4125 * gcc.texi: Add macros @gccoptlist and @gol.
4126 * invoke.texi: Include option summary in manpage. Mark up option
4127 summary with @gccoptlist and @gol. Use @r in one place where
4129 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4130 * gcc.1: Generate from invoke.texi.
4132 2001-01-13 Richard Henderson <rth@redhat.com>
4134 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4135 (struct page_entry): Add group member.
4136 (struct page_group): New.
4137 (struct globals): Add page_groups member.
4138 (alloc_anon): Only define for using mmap; remove valloc call.
4139 (page_group_index): New.
4140 (set_page_group_in_use): New.
4141 (clear_page_group_in_use): New.
4142 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4143 (free_page, release_pages): Likewise.
4144 * configure.in (with-gc): Default to ggc-page always.
4146 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4148 * reload1.c (replace_pseudos_in_call_usage): Use
4149 reg_equiv_constant and reg_equiv_address, and don't try
4150 regno_reg_rtx first.
4152 2001-01-13 Richard Henderson <rth@redhat.com>
4154 * ggc-page.c (alloc_page): Round up allocation size to one page.
4155 Set e->order on extra pages.
4157 2001-01-13 Richard Henderson <rth@redhat.com>
4159 * genrecog.c (nodes_identical): Expand commentary.
4160 (write_switch): Watch out for identical nodes.
4162 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4164 * cppfiles.c (_cpp_fake_include): New function.
4165 * cpphash.h (_cpp_fake_include): New.
4166 * cpplib.c (do_line): Call _cpp_fake_include when entering
4167 header files in preprocessed input.
4168 * cppmain.c (cb_pragma_implementation): Remove handling.
4169 (setup_callbacks): Don't register pragmas.
4171 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4173 * extend.texi: Udate for CPP.
4175 2001-01-13 Andreas Jaeger <aj@suse.de>
4177 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4179 * regmove.c: Add prototype for replace_in_call_usage.
4181 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4183 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4184 struct cpp_chunk, struct htab, struct toklist,
4185 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4186 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4187 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4188 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4189 (struct macro_args): Delete.
4190 * cpphash.h: See above.
4192 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4194 * cppmain.c (struct printer): Remove no_line_dirs.
4196 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4197 : Use options rather than CPP_OPTION.
4198 (setup_callbacks): Use cb rather than pfile->cb.
4199 (main): No need to check for a buffer. Use cpp_errors.
4200 (printer_init): Don't set no_line_dirs.
4201 (maybe_print_line): Use options not no_line_dirs.
4202 (cb_file_change): Don't call print_line if -P.
4204 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4206 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4208 * c-parse.in (finish_parse): Use cpp_errors.
4209 (__yylex): Use return value of cpp_pop_buffer.
4210 * cp/lex.c (finish_parse): Use cpp_errors.
4211 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4213 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4215 * README.AVR: URLs corrected.
4217 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4219 * c-decl.c (start_function): Don't warn if old prototype is builtin
4220 that's not in C's namespace.
4221 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4222 (_bb): Add prototype for ctime.
4223 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4225 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4227 * i386.c (ix86_fp_comparison_arithmetics_cost,
4228 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4229 ix86_fp_comparison_cost): New functions.
4230 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4231 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4232 two-branch sequences; make static.
4233 (ix86_use_fcomi_compare): Do decision according to the costs.
4234 (split_fp_branch): New.
4235 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4236 * i386-protos.h (ix86_expand_fp_compare): Remove
4237 (ix86_split_fp_branch): Declare.
4239 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4240 and ix86_comparison_operator.
4242 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4245 * i386.c (put_condition_code): Output properly the unordered/ordered
4246 compares in fp case.
4247 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4249 * tm.texi (REVERSE_CONDITION): Document.
4250 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4251 in -ffast-math mode.
4252 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4254 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4256 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4258 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4261 * config/sh/sh.c (mova_p): Fix test for mova_const.
4263 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4265 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4266 cpp_get_options rather than dereferencing pfile and using
4268 * scan-decls.c (scan_decls): Use return value of
4269 cpp_pop_buffer rather than CPP_BUFFER.
4271 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4273 * cppinit.c (cpp_handle_option): help_only is now part of the
4274 cpp_options structure.
4275 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4276 cpp_set_callbacks): New functions.
4277 * cpplib.h (cpp_callbacks): Break out as a named structure.
4278 (cpp_options): Move help_only here from cpp_reader.
4279 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4280 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4281 cpp_set_callbacks): New prototypes.
4282 * cppmain.c (main): Update for help_only.
4284 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4286 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4287 Also build and remove and install and uninstall c-tree.info and
4289 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4290 ($(srcdir)/cppinternals.info): New target.
4291 * c-tree.texi: Change file name used when makeinfo used without -o
4292 from ir.info to c-tree.info. Add info directory entry.
4293 * cppinternals.texi: Add info directory entry.
4294 * .cvsignore: Update.
4296 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4298 * c-typeck.c (store_init_value): Don't require constant initializer
4299 elements with -pedantic -std=c99.
4300 (digest_init): Change error about non-constant initializer elements
4302 (constructor_range_end): Remove.
4303 (constructor_incremental, designator_depth,
4304 designator_errorneous): New variables.
4305 (struct constructor_stack): Remove range_end, add incremental.
4306 (struct constructor_range_stack, constructor_range_stack): New.
4307 (struct initializer_stack): Add constructor_range_stack.
4308 (finish_init): Set it.
4309 (start_init): Likewise. require_constant_elements for non-static
4310 trees only if not flag_isoc99.
4311 (really_start_incremental_init): Remove constructor_range_end, add
4312 constructor_incremental.
4313 (pop_init_level): Likewise.
4314 (push_init_level): Likewise. If implicit and the subobject had some
4315 value set already, preinitialize the level with it.
4316 Warn about missing braces only if not pushing due to designators.
4317 (set_designator, push_range_stack): New functions.
4318 (set_init_label): Use them.
4319 (set_init_index): Likewise. Remove constructor_range_end.
4320 Error if designator index is outside of array bounds.
4321 (add_pending_init): Compare values of purpose index trees, not the
4322 trees themselves. Allow overwriting of already initialized element.
4323 Issue a warning if it had side-effects.
4324 (set_nonincremental_init, set_nonincremental_init_from_string): New
4326 (pending_init_member): Rename to...
4327 (find_init_member): ...this function. Call set_nonincremental_init
4328 if necessary. Compare values of purpose index trees, not the trees
4329 themselves. Return the actual value, not just non-zero if something
4331 (output_init_element): Remove checks for duplicates.
4332 If field has zero size, only check the initializer for correctness.
4333 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4334 if constructor_incremental is zero. Change error about initializers
4335 not computable at load time into pedwarn.
4336 (output_pending_init_elements): Compare bit positions, not
4337 FIELD_DECLs to take into account zero-sized fields.
4338 (process_init_element): Use constructor_range_stack to fill all
4339 ranges in the designator lists from current level up.
4340 * extend.texi: Update documentation for labeled elements.
4342 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4344 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4345 to function usage for arguments passed by reference. Optimize
4346 callee-copied arguments.
4347 * regmove.c (replace_in_call_usage): New function.
4348 (fixup_match_1): Call it.
4349 * cse.c (cse_insn): Canonicalize registers in function usage.
4350 * reload1.c (replace_pseudos_in_call_usage): New function.
4353 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4356 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4358 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4361 2001-01-12 DJ Delorie <dj@redhat.com>
4363 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4364 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4367 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4369 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4370 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4371 -std options alongside references to -ansi. Update some
4372 documentation for C99.
4373 * cpp.1: Regenerate.
4375 2001-01-12 Andreas Jaeger <aj@suse.de>
4377 * haifa-sched.c (restore_line_notes): Remove argument block B
4379 * sched-ebb.c (schedule_ebb): Change caller.
4380 * sched-rgn.c (schedule_region): Likewise.
4381 * sched-int.h (restore_line_notes): Adjust prototype.
4383 * loop.h: Remove wrong declaration of doloop_condition_get.
4385 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4387 * extend.texi: Move C++-extension-related node from the C section
4388 into the C++ section.
4390 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4392 * extend.texi: Refer to an array of pointers to functions instead
4393 of one of functions.
4395 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4396 Jan Hubicka <jh@suse.cz>
4398 * combine.c (reversed_comparison): Fix typo in last patch.
4400 (combine_reversed_comparison_code): Make static to follow
4401 prototype declaration.
4403 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4405 * install.texi: Remove misplaced duplicate entry.
4407 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4409 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4411 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4413 * final.c: (leaf_function_p): Fix typo.
4415 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4417 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4418 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4420 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4421 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4422 mmap_anon, and valloc is available.
4423 * ggc-page.c: Restructure ifdef logic to match new autoconf
4424 spec. Don't throw away the test page in init_ggc.
4426 * configure, config.in: Regenerate.
4428 2001-01-12 Michael Hayes <mhayes@redhat.com>
4430 * loop.h (total_biv_increment): Constify iv_class pointer.
4431 (struct induction): Replace `mem_mode' with `mem' rtx.
4432 * unroll.c (total_biv_increment): Constify iv_class pointer.
4433 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4434 (find_mem_givs, combine_givs_p): Likewise.
4435 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4437 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4439 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4441 (__gthread_getspecific): Ditto.
4443 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4445 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4446 put_condition_code): Convert fp comparison codes to integer
4448 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4451 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4452 * i386-protos.h (no_comparison_operator): Kill.
4454 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4456 * combine.c (REVERSIBLE_CC_MODE): Remove.
4457 (reversible_comparison_p): Remove.
4458 (combine_reversed_comparison_code): New.
4459 (reversed_comparison): New.
4460 (combine_simplify_rtx): Use
4461 combine_reversed_comparison_code/reversed_comparison instead
4462 of reversible_comparison_p.
4463 (simplify_if_then_else): Likewise.
4464 (simplify_set): Likewise.
4465 (simplify_logical): Likewise.
4466 (if_then_else_cond): Likewise.
4467 (known_cond): Likewise.
4468 (simplify_comparison): Likewise.
4470 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4472 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4473 sizeof (int) is larger than sizeof(__word__).
4475 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4477 * cppinit.c (do_includes): Fix typo.
4479 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4481 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4482 in S_REGS does not occur because not all sources are possible
4483 when a S_REGS is a destination (sometimes needs a clobber).
4484 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4485 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4486 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4487 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4488 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4489 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4490 (lshrdi_const1, lshrsi3_const16): Likewise.
4491 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4492 (*movhi_68hc12, *movqi_68hc12): Likewise.
4493 (movstrictqi): Make sure reloading in D_REGS as a destination
4496 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4498 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4500 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4502 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4503 -D, -U and -A, and don't initialize the builtins.
4504 (do_includes): Error if -include or -imacros with -fpreprocessed.
4505 * cppmain.c (cb_define, cb_undef): Unconditionally process
4507 * tradcpp.c (main): Fix typo.
4509 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4511 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4512 (read_name_map): Use IS_ABSOLUTE_PATH.
4513 * tradcpp.c (get_filename): Likewise.
4515 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4517 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4518 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4519 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4520 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4521 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4522 (cmphi_z_used): Don't use '@' for the output.
4523 (tstqi_z_used): Likewise.
4524 (cmpqi_z_used): Likewise.
4525 (one_cmplsi2): Likewise.
4527 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4529 * config/sh/sh.c (barrier_align): Recognize branch around far
4530 branch and redundant insn.
4532 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4534 * invoke.texi: Restore documentation of the drivers' switches -MD
4537 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4539 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4541 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4542 check-objc//%): Support parallel testing of multilibs.
4543 (TESTSUITEDIR): Set to testsuite by default, but override for
4545 (check-gcc, check-g++, check-g77, check-objc): Enter
4548 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4550 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4551 * sched-deps.c (deps_may_trap_p): Likewise.
4552 * basic-block.h: Remove a comment.
4553 * flow.c (PROP_POSTRELOAD): Remove.
4554 (update_life_info): Don't add it to prop_flags.
4555 (mark_set_1): Lose the code that was enabled by it.
4557 2001-01-11 Michael Hayes <mhayes@redhat.com>
4559 * flow.c (flow_call_edges_add): New.
4560 * basic_block.h (flow_call_edges_add): New.
4562 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4564 * reload1.c (move2add_note_store): Update reg_set_luid even if
4565 base reg remains the same.
4567 2001-01-10 Nick Clifton <nickc@redhat.com>
4569 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4570 machine_function structure to zero.
4571 Add prototypes for machine_status functions.
4573 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4575 * c-common.h (CTI_VOID_LIST): Remove.
4576 (void_list_node): Likewise.
4577 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4578 (void_list_node): New macro.
4579 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4580 * config/i386/i386.c (ix86_init_builtins): Likewise.
4581 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4583 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4585 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4586 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4588 * tradcpp.c: Include mkdeps.h.
4589 (deps, print_deps_phony_targets, deps_append, output_deps,
4590 init_dependency_output, output_deps): New.
4591 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4592 deps_output): Delete.
4593 (print_deps_missing_files): Rename deps_missing_files.
4594 (inhibit_output): Make global.
4595 (main): Delete inhibit_output, deps_stream, deps_target.
4596 Use mkdeps functionality in the same way as cpplib. Remove
4597 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4598 -M and -MM. Remove old handling of deps via deps_out, and
4599 old reading of environment variables.
4600 (get_filename): Update to use deps_add_dep.
4602 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4604 * output.h (make_function_rtl): Remove prototype.
4605 (make_decl_rtl): Likewise.
4606 * varasm.c (make_function_rtl): Remove.
4607 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4608 than from a third parameter.
4609 * tree.h (make_decl_rtl): Remove last parameter.
4610 * c-decl.c (builtin_function): Remove last argument in call to
4611 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4612 (start_function): Likewise.
4613 * except.c (call_get_eh_context): Likewise.
4614 * expr.c (emit_block_move): Likewise.
4615 (clear_storage): Likewise.
4616 * profile.c (output_func_start_profiler): Likewise.
4617 * toplev.c (rest_of_decl_compilation): Likewise.
4618 * objc/objc-act.c (create_builtin_decl): Likewise.
4619 (synth_module_prologue): Likewise.
4620 (generate_static_reference): Likewise.
4621 (build_selector_reference_decl): Likewise.
4622 (build_class_reference_decl): Likewise.
4623 (build_objc_string_decl): Likewise.
4624 (build_protocol_reference): Likewise.
4626 2001-01-10 Richard Henderson <rth@redhat.com>
4628 * hwint.h: Revert yesterday's change.
4630 2001-01-10 Nick Clifton <nickc@redhat.com>
4632 * function.h (save_machine_status): Delete.
4633 (restore_machine_status): Delete.
4634 Amend comment describing {init|mark|free}_machine_status.
4636 * function.c (save_machine_status): Delete.
4637 (restore_machine_status): Delete.
4638 Amend comment describing {init|mark|free}_machine_status.
4639 (push_function_context_to): Remove invocation of
4640 save_machine_status.
4641 (pop_function_context_from): Remove invocation of
4642 restore_machine_status.
4644 * emit-rtl.c (init_emit_once): Amend comment describing
4645 {init|mark|free}_machine_status.
4647 * tm.texi (Per-Function Data): New node. Describe the
4648 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4651 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4653 * cppinit.c (OPT_g): Remove.
4654 (cpp_handle_option): Update for removed -g3.
4655 (print_help): Update.
4656 * cpplib.h (struct cpp_options): Remove debug_output.
4657 * cppmain.c (setup_callbacks, cb_define): Update.
4658 * gcc.c (cpp_options): Translate -g3 to -dD.
4660 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4662 * config/i960/i960.md: Change modifier to + on the zero_extract
4663 pattern after the (rotate -2 reg) canonicalization pattern.
4665 2001-01-10 Richard Henderson <rth@redhat.com>
4667 * config/alpha/alpha.c (alpha_free_machine_status): New.
4668 (override_options): Install it.
4669 (alpha_mark_machine_status): Verify machine non-null.
4670 * config/i386/i386.c (ix86_free_machine_status): New.
4671 (override_options): Install it.
4672 (ix86_init_machine_status): Use xcalloc.
4673 (ix86_mark_machine_status): Verify machine non-null.
4674 * config/ia64/ia64.c (ia64_free_machine_status): New.
4675 (ia64_override_options): Install it.
4676 (ia64_mark_machine_status): Verify machine non-null.
4678 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4680 * function.c (instantiate_virtual_regs): Instantiate virtual
4681 registers found in CALL_INSN_FUNCTION_USAGE.
4683 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4685 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4686 equivalent to -ansi in disabling -Di386.
4688 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4690 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4692 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4694 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4696 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4698 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4700 * invoke.texi: Document that -fcond-mismatch isn't supported for
4703 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4705 * gcc.texi: Define macro gcctabopt.
4706 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4707 @command, @env and @option in some places where appropriate. Use
4708 @gcctabopt where appropriate. Put URLs and email addresses inside
4711 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4713 * gcc.c (cpp_options): Set MD file name from output
4714 filename, if specified.
4715 (suffix_subst): New static variable.
4716 (do_spec): Clear it.
4717 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4719 (give_switch): Handle suffix_subst.
4721 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4723 * invoke.texi: Fix another typo.
4725 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4727 * invoke.texi: Fix typo.
4729 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4731 * c-lang.c (lang_hooks): Update.
4732 (lang_decode_option): Remove.
4733 (lang_init_options): Rename c_init_options.
4734 * toplev.c (main): Use lang_hooks for lang_init_options
4735 and lang_decode_option.
4736 * toplev.h (lang_hooks): Add 2 new hooks.
4737 * tree.h: Remove lang_init_options and lang_decode_option.
4738 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4739 * cp/decl2.c: Similarly.
4740 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4741 (lang_hooks): Update.
4742 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4744 (lang_init_options): Rename ffe_init_options.
4745 (lang_hooks): Update.
4746 (lang_decode_option): Remove.
4747 * java/lang.c (lang_init_options): Rename java_init_options.
4748 (lang_decode_option): Rename java_decode_option.
4749 (lang_hooks): Update.
4750 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4751 (lang_decode_option): Rename objc_decode_option.
4752 (lang_hooks): Update.
4754 2001-01-09 Nick Clifton <nickc@redhat.com>
4756 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4757 (d30v_return_addr_rtx): Delete.
4758 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4759 cfun->machine structure.
4760 (struct machine_function): Move to d30v.h
4761 (d30v_save_machine_status): Delete.
4762 (d30v_restore_machine_status): Delete.
4763 (d30v_init_machine_status): New Function.
4764 (d30v_mark_machine_status): New Function.
4765 (d30v_free_machine_status): New Function.
4766 (d30v_init_expanders): Use new functions.
4767 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4768 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4769 d30v_return_addr_rtx.
4771 * config/d30v/d30v.h (struct_machine): Move here.
4772 Add eh_epilogue_sp_ofs field.
4774 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4775 field in cfun->machine structure.
4777 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4779 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4780 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4781 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4783 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4785 * objc/lang-options.h: Remove bogus reference to
4788 2001-01-09 Kazu Hirata <kazu@hxi.com>
4790 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4793 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4795 * reload.c (find_reloads_address): Check for eliminable registers
4796 when substituting a constant expression for a pseudo.
4798 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4800 * c-common.c (enum format_type): Add format_type_error.
4801 (decode_format_type): New function.
4802 (decl_attributes): Use it.
4803 (format_kind_info): Adjust comment.
4805 2001-01-09 David O'Brien <obrien@BSDi.com>
4807 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4808 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4810 * config/i386/gnu.h: Don't include required platform specific .h files,
4811 tm.h will do it instead.
4812 * config/i386/i386elf.h: Likewise.
4813 * config/i386/linux.h: Likewise.
4814 * config/i386/moss.h: Likewise.
4815 * config/mips/gnu.h: Likewise.
4817 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4819 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4820 (rs6000-ibm-aix3.[01]*): Likewise.
4821 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4822 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4823 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4824 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4825 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4826 (powerpc-*-eabiaix*): Likewise.
4827 (powerpc-*-eabisim*): Likewise.
4828 (powerpc-*-elf*): Likewise.
4829 (powerpc-*-eabi*): Likewise.
4830 (powerpc-*-rtems*): Likewise.
4831 (powerpc-*-linux*libc1): Likewise.
4832 (powerpc-*-linux*): Likewise.
4833 (powerpc-wrs-vxworks*): Likewise.
4834 (powerpcle-wrs-vxworks*): Likewise.
4835 (powerpcle-*-sysv*): Likewise.
4836 (powerpcle-*-elf*): Likewise.
4837 (powerpcle-*-eabisim*): Likewise.
4838 (powerpcle-*-eabi*): Likewise.
4839 (powerpcle-*-solaris2*): Likewise.
4840 * config/rs6000/aix31.h: Delete includes.
4841 * config/rs6000/aix3newas.h: Likewise.
4842 * config/rs6000/aix41.h: Likewise.
4843 * config/rs6000/aix43.h: Likewise.
4844 * config/rs6000/beos.h: Likewise.
4845 * config/rs6000/rtems.h: Likewise.
4846 * config/rs6000/sysv4.h: Likewise.
4848 2001-01-09 Kazu Hirata <kazu@hxi.com>
4850 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4851 Change an argument mode of machine_mode to shift_mode of
4852 shift_mode. Remove an extra error check.
4853 (emit_a_shift): Adopt to the new calling prototype of
4855 (function_prologue): Fix code for a monitor
4856 function. Support H8/S.
4857 (function_epilogue): Do not output pop for a monitor function.
4859 2001-01-09 Nick Clifton <nickc@redhat.com>
4861 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4862 (setup_incoming_varargs): Use sysv_varargs_p field of the
4863 cfun->machine structure.
4864 (struct machine_function): Move to rs6000.h
4865 (rs6000_save_machine_status): Delete.
4866 (rs6000_restore_machine_status): Delete.
4867 (rs6000_init_machine_status): New Function.
4868 (rs6000_free_machine_status): New Function.
4869 (rs6000_init_expanders): Use new functions.
4871 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4873 (struct machine_function): Move here.
4875 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4876 sysv_varargs_p field of the cfun->machine structure.
4878 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4880 (rs6000_restore_machine_status): Remove prototype.
4882 2001-01-09 Richard Henderson <rth@redhat.com>
4884 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4885 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4886 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4887 (sched_analyze_2, sched_analyze_insn): Likewise.
4888 (sched_analyze, init_deps): Likewise.
4889 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4890 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4891 (compute_block_backward_dependences): Update propagate_deps call.
4893 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4895 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4897 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4899 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4900 (cpp_handle_option): Handle them.
4901 (cpp_post_options): Ensure one of -M or -MM is specified with
4902 any other -M? option.
4903 (init_dependency_output): Suppress output with -MG.
4905 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4908 * invoke.texi: Update.
4910 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4912 * sh.md (reload_outsf): Generate recognizable patterns for
4915 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4917 * c-lang.c (lang_hooks): Update.
4918 (lang_init): Rename c_init.
4919 (lang_finish): Remove.
4920 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4922 * toplev.h (lang_hooks): Add init () and finish ().
4923 * tree.h (lang_init, lang_finish): Remove.
4924 * cp/tree.h (lang_init, lang_finish): Remove.
4925 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4926 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4928 (lang_init, lang_finish): Remove.
4929 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4930 (lang_hooks): Update.
4931 * java/lang.c (lang_init): Rename java_init.
4932 (lang_finish): Remove.
4933 (lang_hooks): Update.
4934 * objc/objc-act.c (lang_init): Rename objc_init.
4935 (lang_finish): Remove.
4936 (lang_hoooks): Update.
4938 20001-01-09 Graham Stott <grahams@redhat.com>
4940 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4941 after `ptr` is initialised.
4943 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4945 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4946 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4947 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4948 stack adjusts, instead of r3.
4950 2001-01-09 Michael Hayes <mhayes@redhat.com>
4952 * flow.c (flow_loop_scan): Break out of ...
4953 (flow_loops_find) ... here.
4954 * basic-block.h (flow_loop_scan): New.
4955 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4956 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4958 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4960 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4962 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4963 realloc()ing macro_buffer.
4965 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4966 if it's wider than long and the target's long is wider than the
4969 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4971 Remove support for using UWIN as a host machine.
4972 * configure.in: Issue an error message.
4973 * configure: Regenerated.
4974 * config.gcc: Remove xm_* UWIN configury.
4975 * config/i386/xm-uwin.h: Remove.
4977 2001-01-08 Nick Clifton <nickc@redhat.com>
4979 * config/v850/v850.c (ra_rtx): Delete.
4980 (v850_save_machine_status): Delete.
4981 (v850_restore_machine_status): Delete.
4982 (v850_init_machine_status): New function.
4983 (v850_mark_machine_status): New function.
4984 (v850_free_machine_status): New function.
4985 (v850_return_addr): Use ra_rtx field in machine structure.
4986 (v850_init_expanders): Use new functions.
4988 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4989 * config/v850/v850.c: Change arguments to v850_output+* functions
4990 to take a const char *, to avoid compile time warning.
4991 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4992 (USER_LABEL_PREFIX): Redefine.
4994 2000-01-08 Jim Wilson <wilson@redhat.com>
4996 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4997 1 to unsigned HOST_WIDE_INT before left shift.
4999 2001-01-08 Nick Clifton <nickc@redhat.com>
5001 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5002 the machine structure has been allocated.
5003 (arm_free_machine_status): New function: Free the machine
5004 specific function structure.
5006 2001-01-08 Richard Henderson <rth@redhat.com>
5008 * jump.c (simplejump_p): Revert last change.
5010 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5012 * cppinit.c (init): Rename init_library.
5013 (cpp_create_reader): Update.
5014 * gcc.c (cpp_options): If -o given, use it as the target of
5017 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5019 * arm.c (arm_arch5e): New variable.
5020 (all_cores): XScale is a 5TE device.
5021 (arm_override_options): Set arm_arch5e.
5022 (arm_init_builtins): __builtin_prefetch is in arch5e.
5023 * arm.h (arm_arch5e): Declare it.
5025 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5027 * arm.md (define_constants): Add defines for UNSPEC and
5028 UNSPEC_VOLATILE insns. Update all users.
5029 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5030 * arm.c (multi_register_push, note_invalid_constants)
5031 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5032 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5033 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5035 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5037 * jump.c (jump_optimize_1): Use reversed_comparison_code
5038 instead of can_reverse_comparison_p.
5039 (jump_back_p): Likewise.
5040 (invert_exp_1): Likewise.
5041 (thread_jumps): Likewise.
5042 * simplify-rtx.c (simplify_unary_operation): Likewise.
5043 (simplify_ternary_operation): Likewise.
5044 * cse.c (find_comparison_args): Convert to use
5045 can_reverse_comparison_p.
5046 (record_jump_equiv): Likewise.
5048 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5050 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5051 (EPILOGUE_USES): Define.
5052 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5053 automatically stack the LR if it isn't live.
5055 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5057 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5060 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5062 * ggc-page.c (max_alignment): New structure.
5063 (MAX_ALIGNMENT): New macro.
5064 (init_ggc): Use it to round up the sizes in the
5065 extra_order_size_table.
5067 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5069 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5072 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5074 * builtins.def (BUILT_IN_FPRINTF): New entry.
5076 * c-common.c (c_expand_builtin_fprintf): New function.
5077 (init_function_format_info): Handle __builtin_fprintf.
5078 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5079 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5081 * c-decl.c (duplicate_decls): Adjust comment.
5083 * extend.texi (fprintf): Document new builtin.
5085 2001-01-07 Richard Henderson <rth@redhat.com>
5087 * jump.c (simplejump_p): Recognize any single_set jump
5090 2001-01-07 Richard Henderson <rth@redhat.com>
5092 * configure.in (slibdir): Accept an --with-slibdir option.
5093 Use "test" not "[" in configure. Default to $(libdir).
5095 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5097 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5098 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5099 (SHLIB_LINK): Create links for the soname.
5100 * config/mips/t-iris6: Likewise.
5101 * config/sparc/t-slibgcc: Likewise.
5102 * config/sparc/t-slibgcc-sld: Likewise.
5104 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5106 * config/i386/i386.c (constant_call_address_operand): Accept
5107 (const (plus (symbol_ref) (const_int))).
5108 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5109 constant_call_address_operand.
5111 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5113 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5114 and LONG_LONG_TYPE_SIZE > 32.
5116 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5118 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5119 the previous change.
5121 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5123 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5125 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5126 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5127 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5130 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5132 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5134 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5136 * c-lang.c (c_post_options): Call cpp_post_options.
5137 * objc/objc-act.c (objc_post_options): Similarly.
5138 * cppmain.c (main): Similarly.
5139 * fix-header.c (read_scan_file): Similarly.
5140 * cppinit.c (cpp_start_read): Move option consistency checks
5141 to cpp_post_options. Don't call init_dependency_output.
5142 If needed, add default target and main file dependency.
5143 (OPT_MD, OPT_MMD): Remove.
5145 (cpp_handle_option): Update for OPT_* changes.
5146 (cpp_post_options): New.
5147 (init_dependency_output): Command line -MF overrides environment
5148 variables. Don't set default target etc. Suppress output
5149 if dependencies are going to stdout.
5150 (print_help): Update.
5151 * cpplib.h (cpp_post_options): New.
5152 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5154 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5156 * jump.c (comparison_dominates_p): Support unordered compares.
5158 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5160 * simplify-rtx.c (simplify_relational_operation): Always simplify
5161 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5164 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5166 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5167 (nonzero_bits): Likewise.
5168 (simplify_comparison): Likewise.
5169 (num_sign_bit_copies): Likewise; return more sane value depending
5170 on STORE_FLAG_VALUE.
5171 (known_cond): Do not assume EQ to be always true for equivalent
5174 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5176 * cse.c (fold_rtx): Handle unordered comparisons.
5178 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5180 * rtlanal.c (set_of_1): New static function.
5181 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5182 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5183 reg_set_last_last_regno): Remove.
5184 (set_of): New global function.
5185 (set_of_data): New structure.
5186 (reg_set_p, reg_set_last): Revamp for set_of.
5187 * rtl.h (set_of): New.
5189 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5191 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5192 * extend.texi: Document _Exit builtin.
5194 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5196 * (initialize, initialize_builtins,
5197 initialize_dependency_output, initialize_standard_includes):
5198 Rename s/initialize/init. Update.
5199 (init_dependency_output): Move to after
5200 cpp_handle_options, the correct location temporally at least.
5201 (opt_comp): Move next to init (), its caller. Fix prototype.
5202 (init): Make "initialized" local scope.
5203 (cpp_create_reader): Always call init ().
5204 (cpp_start_read): Update.
5205 (output_deps): New function, broken out of cpp_finish.
5206 (cpp_finish): Break out output_deps.
5208 2001-01-07 Richard Henderson <rth@redhat.com>
5210 * collect2.c (COFF specific stuff): Revert 12-06 patch
5211 to prototype system functions.
5213 2001-01-07 Michael Hayes <mhayes@redhat.com>
5215 * hard-reg-set.h: Add multiple include guard.
5216 * basic-block.h (struct loop): Add `sink' field.
5217 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5218 (emit_iv_add_mult): Delete.
5219 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5220 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5221 (unroll_loop): Remove end_insert_before argument.
5222 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5223 (maybe_eliminate_biv_1): Likewise.
5224 (emit_iv_add_mult): Delete.
5225 (gen_add_mult, loop_regs_update): New.
5226 (loop_insn_emit_after, loop_insn_emit_before): New.
5227 (loop_insn_sink, loop_insn_sink_or_swim): New.
5228 (emit_iv_add_mult): Delete.
5229 (scan_loop): Set loop->sink.
5230 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5231 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5232 (maybe_eliminate_biv_1): Likewise.
5233 (maybe_eliminate_biv_1): Add basic block argument.
5234 * unroll.c (unroll_loop): Remove end_insert_before argument.
5235 (find_splittable_regs): Likewise.
5236 (find_splittable_regs): Use loop_insn_sink and its ilk.
5237 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5239 2001-01-07 Michael Hayes <mhayes@redhat.com>
5241 * loop.h (loop_insn_hoist): New prototype.
5242 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5243 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5244 (check_dbra_loop, load_mems): Likewise.
5245 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5246 (find_splittable_givs): Likewise.
5248 2001-01-07 Michael Hayes <mhayes@redhat.com>
5250 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5252 2001-01-07 Richard Henderson <rth@redhat.com>
5254 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5256 2001-01-07 Richard Henderson <rth@redhat.com>
5258 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5259 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5260 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5261 variant that handles a shared libgcc.
5262 (process_command): Always validate -{static,shared}-libgcc.
5263 (do_spec_1): New 'M' case.
5264 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5266 2001-01-07 Richard Henderson <rth@redhat.com>
5268 * Makefile.in (slibdir): New variable.
5269 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5270 (installdirs): Create slibdir.
5271 (install-libgcc, install-multilib): Defer to libgcc.mk.
5272 * configure.in (slibdir): Substitute.
5273 * mklibgcc.in (install): New target.
5275 * config/t-linux (SHLIB_LINK): Create links for the soname.
5276 (SHLIB_INSTALL): New.
5277 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5278 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5279 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5280 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5281 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5283 2001-01-07 Richard Henderson <rth@redhat.com>
5285 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5286 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5287 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5289 2001-01-07 Michael Hayes <mhayes@redhat.com>
5291 * loop.c (count_loop_regs_set): Delete.
5292 (load_mems_and_recount_loop_regs_set): Delete.
5293 (loop_regs_scan): Merge common code from count_loop_regs_set,
5294 scan_loop, and load_mems_and_recount_loop_regs_set.
5295 (scan_loop): Call load_mems directly and loop_regs_scan
5296 again if new registers created.
5298 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5300 * toplev.c (main): Call the front-end specific post_options
5301 hook if one is given.
5302 * toplev.h (struct_lang_hooks, lang_hooks): New.
5303 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5304 for the C front end.
5305 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5306 lang_hooks for the C++ front end.
5307 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5308 lang_hooks for the ObjC front end.
5309 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5310 * java/lang.c (lang_hooks): Hooks for the Java front end.
5312 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5314 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5315 for verbose DWARF[2] debugging.
5316 (cb_define, cb_undef): The new callbacks.
5317 * toplev.h (debug_define, debug_undef): Make const correct.
5318 * toplev.c (debug_define, debug_undef): Similarly. Do not
5319 perform the verbosity tests here anymore.
5321 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5323 * reload.c (subst_reloads): Take INSN argument. When
5324 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5325 * reload.h (subst_reloads): Adjust prototype.
5326 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5327 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5328 present in JUMP_INSNs and copy them to JUMP_LABEL.
5329 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5330 JUMP_INSNs and insns with REG_LABELs that are followed by
5331 JUMP_INSNs with the same REG_LABEL.
5332 * sched-rgn.c (is_cfg_nonregular): Likewise.
5333 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5335 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5337 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5339 2001-01-06 Richard Henderson <rth@redhat.com>
5341 * loop.c (scan_loop): Use xcalloc for the regs array.
5342 (load_mems_and_recount_loop_regs_set): Zero the new memory
5343 received from xrealloc.
5345 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5347 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5349 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5351 * integrate.c (copy_rtx_and_substitute): When copying
5352 an ignored return value, strip REG_FUNCTION_VALUE_P.
5354 2001-01-06 Michael Hayes <mhayes@redhat.com>
5356 * loop.c (debug_biv, debug_giv): New.
5357 (loop_biv_dump): Break out from ...
5358 (record_biv): ... here.
5359 (loop_giv_dump): Break out from ...
5360 (record_giv): ... here.
5361 (loop_bivs_check): Use print_simple_rtl.
5362 * unroll.c (loop_iterations): Use print_simple_rtl.
5364 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5366 * pa.md (return, return_internal): Modify patterns to prevent regrename
5367 mucking with the return pointer.
5369 2001-01-05 Richard Henderson <rth@redhat.com>
5371 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5373 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5375 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5376 version supplied by Matteo Frigo.
5378 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5380 * cpp.texi: Update for -MQ.
5381 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5382 (cpp_cleanup): Always free pfile->deps.
5383 (initialize_dependency_output): Don't create pfile->deps.
5384 (cpp_handle_option): Similarly.
5386 * gcc.c (cpp_options): Handle -MQ.
5387 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5388 * mkdeps.c (base_name): Remove.
5389 (deps_init): Don't allocate vector space until it's needed.
5390 (deps_free): Only free vectors if allocated.
5391 (deps_add_target, deps_add_dep): Update for initial allocation.
5392 (deps_add_default_target): Don't strip to the base_name.
5394 2001-01-05 DJ Delorie <dj@redhat.com>
5396 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5397 (INIT_EXPANDERS): Define.
5399 * config/v850/v850.c (struct machine_function): Define.
5400 (v850_save_machine_status): New function.
5401 (v850_restore_machine_status): New function.
5402 (v850_return_addr): New function.
5403 (v850_init_expanders): New function.
5405 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5406 and v850_init_expanders.
5408 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5410 * cpplib.h (struct cpp_reader): Add help_only field.
5411 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5412 (cpp_handle_option): Set pfile->help_only if we see -h,
5413 --help, -target-help, or --version. Print version string but
5414 do not set help_only if we see -v or -version. Make text
5415 printed by -v match that printed by (-)-version.
5417 * cppmain.c (main): Exit after option parsing if
5418 pfile->help_only is true.
5420 * toplev.c (independent_decode_option): Call print_version,
5421 then exit, if we see --version (but not -version).
5422 (print_version): Split lengthy message into two lines.
5424 2001-01-05 Nick Clifton <nickc@redhat.com>
5426 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5427 temporary string for initialisation before calling ggc_alloc_string.
5429 2001-01-06 Michael Hayes <mhayes@redhat.com>
5431 * rtl.h (print_simple_rtl): New.
5432 * print-rtl.c (print_simple_rtl): New.
5434 (print_rtx): Disable printing of flags and modes, etc.,
5435 if `flag_simple` nonzero.
5437 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5439 * function.c (fixup_var_refs): Use push_to_full_sequence where
5442 2001-01-05 Michael Meissner <meissner@redhat.com>
5444 * flags.h (flag_reorder_blocks): Add declaration.
5445 (flag_rename_block): Ditto.
5447 2001-01-05 DJ Delorie <dj@redhat.com>
5449 * function.c (reorder_blocks): Make sure the flags are all reset
5450 before using them to mark blocks, else a second invocation will
5451 corrupt the block chain.
5452 (reorder_blocks_0): New, resets the flags.
5454 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5456 * cse.c (find_comparison_args): Stop if the argument is known to
5459 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5461 * config/sh/sh.md (movdf): When splitting load into pair of
5462 registers, don't clobber the register used in the address too
5465 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5467 * varasm.c (mark_constant_pool): Improve initial comments.
5468 (mark_constants): Move marking of constants to mark_constant.
5469 (mark_constant): New function to recursively mark all constants
5470 referred to by a constant.
5472 2001-01-05 Catherine Moore <clm@redhat.com>
5474 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5476 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5478 * cp/lang-options.h: Bring comment in line with reality.
5479 * f/lang-options.h: Likewise.
5480 * java/lang-options.h: Likewise.
5481 * objc/lang-options.h: Likewise.
5482 * ch/lang-options.h: Likewise.
5483 * f/g77.texi: And update the manual.
5485 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5486 Denis Chertykov <denisc@overta.ru>
5488 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5489 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5490 * config/avr/avr.md (all peepholes that request a scratch register):
5491 Call it, FAIL the peephole if not safe (in interrupt functions).
5493 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5495 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5497 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5499 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5501 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5502 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5503 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5504 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5505 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5507 * extend.texi: Document these builtins.
5509 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5511 * c-common.c (lang_get_alias_set): Say we know nothing of
5512 VECTOR_TYPE aliasing.
5514 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5516 2001-01-05 Bruce Korb <bkorb@gnu.org>
5518 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5519 their x* equivalent versions for atexit-less systems
5520 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5521 systems (or any other system any more).
5523 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5525 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5526 output operands. Use arm_hard_register_operand for operand 4.
5527 (stmsi_postinc): Similarly.
5528 (ldmsi): Use arm_hard_register_operand for opernand 2.
5530 * arm.c (arm_hard_register_operand): New function.
5531 * arm-protos.h (arm_hard_register_operand): Prototype it.
5533 * arm.h (HARD_REGNO_RENAME_OK): Define.
5535 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5537 * simplify-rtx.c (cfc_args): add "unordered" field.
5538 (check_fold_consts): Set unordered field.
5539 (simplify_relational_operation): Simplify the unordered
5542 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5545 * emit-rtl.c (try_split): Fix code to mark labels.
5546 * jump.c (mark_jump_label): Make global.
5547 * rtl.h (mark_jump_label): Declare.
5549 * predict.c (estimate_probability): Handle unordred comparisons.
5551 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5553 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5554 * cppinit.c (initialize_dependency_output): Update.
5555 (cpp_finish): Output dummy targets for -MP.
5557 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5558 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5559 * gcc.c (cpp_options): Update to handle -MP.
5560 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5561 to quote only the default target.
5562 (deps_phony_targets): Insert a preceding newline. Rename from
5563 deps_dummy_targets for consistency.
5566 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5568 * calls.c (emit_library_call_value_1): Support
5569 INIT_CUMULATIVE_LIBCALL_ARGS.
5570 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5572 2001-01-04 Richard Henderson <rth@redhat.com>
5574 * c-decl.c (finish_struct): Detect flexible array members
5575 used in an inappropriate context.
5576 * c-typeck.c (really_start_incremental_init): Special case
5577 constructor_max_index for zero length arrays.
5578 (pop_init_level): Allow initialization of flexible array
5579 members. Deprecate initialization of zero length arrays.
5580 Don't issue missing initializer warning for flexible array
5581 members or zero length arrays.
5582 (process_init_element): Don't dereference null DECL_SIZE.
5583 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5584 Don't abort for empty constructors. Use size_binop
5585 (output_constructor): Add commentary regarding zero length
5586 array futures. Abort if we try to initialize an array of
5587 unspecified length with a non-empty constructor in the middle
5590 * extend.texi (Zero Length): Update and clarify documentation
5591 on static initialization.
5593 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5595 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5596 with more than 32767 words of local storage.
5598 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5600 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5601 for 'abs', 'labs', and 'fabs'.
5602 (c4x_expand_builtin): Likewise.
5603 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5605 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5607 * config/sh/sh.md (prget, prset): New insn types.
5608 (return delay slot): Dont' allow prset.
5609 (call, sfunc delay slot): Don't allow prget.
5610 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5611 for prset and prget.
5613 2001-01-05 Michael Hayes <mhayes@redhat.com>
5615 * loop.h (struct loop_reg): New.
5616 (struct loop_regs): Change to use array of `struct loop_reg'.
5617 * loop.c: Replace assortment of varrays with single regs array.
5618 (count_one_set): Delete may_not_move array argument
5619 and use regs array instead. All caller's changed.
5620 (count_loop_regs_set): Delete may_not_move and single_usage
5621 arguments and use regs array instead. All caller's changed.
5622 (find_single_use_in_loop): Replace usage array argument with pointer
5623 to regs structure. All caller's changed.
5624 (loop_optimize): Delete `moved_once' array.
5626 2001-01-05 Michael Hayes <mhayes@redhat.com>
5628 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5629 Use it instead of loop_info->has_call for scanning loop mems.
5630 (check_dbra_loop): Replace loop_info->has_call test with
5631 loop_info->has_nonconst_call.
5633 2000-01-04 Matthew Hiller <hiller@redhat.com>
5635 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5638 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5640 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5641 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5643 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5645 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5646 (flag_short_double, flag_short_wchar): Define.
5647 (c_common_nodes_and_builtins): Create many tree nodes shared
5648 between C and C++ here instead of in cp/decl.c and ...
5649 * c-decl.c (init_decl_processing): ... here.
5650 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5651 (flag_short_double, flag_short_wchar): Don't define.
5652 (record_builtin_type): New function.
5653 (build_void_list_node): New function.
5654 * c-common.h (flag_short_double, flag_short_wchar,
5655 record_builtin_type, build_void_list_node): Declare.
5657 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5659 * integrate.c (expand_inline_function): Don't put a virtual
5660 register into the reg map.
5662 * function.c (fixup_var_refs_1): If force_operand didn't put
5663 the address into the target, move it there.
5665 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5667 Special-case tree_decl/tree_list allocations.
5668 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5669 (OBJECT_SIZE): New macro.
5670 (NUM_EXTRA_ORDER): Likewise.
5671 (extra_order_size_table): New variable.
5672 (NUM_ORDERS): New macro.
5673 (objects_per_page_table): New variable.
5674 (object_size_table): New variable.
5675 (G.pages): Use NUM_ORDERS to bound the array.
5676 (G.page_tails): Likewise.
5677 (DIV_ROUND_UP): Remove.
5678 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5679 (alloc_page): Use OBJECT_SIZE.
5680 (size_lookup): Don't make it const.
5681 (ggc_alloc): Use OBJECT_SIZE.
5682 (ggc_set_mark): Likewise.
5683 (ggc_get_size): Likewise.
5684 (init_ggc): Set up the object_size_table, objects_per_page_table,
5685 and adjust size_lookup.
5686 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5687 (ggc_pop_context): Use NUM_ORDERS.
5688 (clear_marks): Likewise.
5689 (sweep_pages): Likewise.
5690 (poison_pages): Likewise.
5691 (ggc_print_statistics): Use OBJECT_SIZE.
5693 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5695 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5696 Only call array_size_for_constructor if last field and array type
5697 with no upper bound.
5699 2001-01-04 Philip Blundell <philb@gnu.org>
5701 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5702 from bit 31 downwards, if this requires no more insns.
5703 (count_insns_for_constant): New helper function for above.
5705 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5707 * gencodes.c (output_predicate_decls): Remove empty initializer.
5709 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5711 * tree.c (copy_node): Remove documentation about obstacks.
5712 (buidl1): Check that nobody tries to build 2-argument nodes this
5715 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5717 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5720 * gencodes.c (output_predicate_decls): Fill empty initializer
5723 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5725 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5726 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5728 (do_include): Handle missing headers like cpp0.
5729 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5730 paths with first include pathname. Don't strcat to uninitialized
5733 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5735 * regrename.c (regrename_optimize): Don't rename from frame pointer
5736 if frame_pointer_needed.
5737 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5738 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5739 (ia64_reorg): Use it instead of scheduling if ! optimize.
5740 (errata_emit_nops): Properly call asm_noperands.
5741 (ia64_sched_reorder): Finish cycle if we see an asm.
5742 (ia64_variable_issue): Clear scheduling state after asms.
5744 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5746 * cpp.texi: Update for -MT.
5747 * cppinit.c (initialize_dependency_output): Add a default
5748 target if none has been given already.
5749 (no_tgt, OPT_MT): New.
5750 (cpp_handle_option): Handle -MT. Update -M etc.
5751 * cpplib.h (struct cpp_options): Remove deps_target.
5752 * gcc.c (cpp_options): Handle -MT.
5753 * mkdeps.c (struct deps): Move from mkdeps.h.
5754 (deps_calc_target): Rename deps_add_default_target. Add a
5755 default target if none has been specified already.
5756 * mkdeps.h (struct deps): Move to mkdeps.c.
5757 (deps_calc_target): Rename deps_add_default_target.
5759 2000-01-03 Richard Henderson <rth@redhat.com>
5761 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5763 * c-typeck.c (push_init_level): Move checks for flexible array
5764 members and zero length arrays ...
5765 (pop_init_level): ... here. Silently discard empty initializations.
5767 * varasm.c (output_constructor): Update for sizeof change to
5770 * extend.texi (Zero Length): Clarify semantics.
5772 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5774 * configure.in (tm.h): Include isns-codes.h last.
5775 * configure: Rebuilt.
5777 2001-01-03 Richard Henderson <rth@redhat.com>
5779 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5780 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5782 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5784 * tradcpp.c (main): Make sure finclude() is called with a valid
5785 indepth value while handling -include.
5787 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5789 * gencodes.c (output_predicate_decls): New function.
5791 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5792 even if it is not the first time machmode.h is #included.
5793 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5794 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5795 * gcc.texi (Copyright): Added 2001.
5797 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5799 * c-common.c (c_common_lang_init): New function. Warn if format
5800 warning options which only have effects when used with -Wformat
5801 are used without -Wformat.
5802 * c-common.h (c_common_lang_init): Declare.
5803 * c-lang.c (lang_init): Call c_common_lang_init.
5804 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5806 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5808 * configure.in: Check for the mktemp command.
5809 * configure: Regenerate.
5810 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5811 $TEMP. Create temporary files with mktemp, if available at
5812 configure time; otherwise use set -C. Remove temporary files
5815 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5817 * configure.in: Require at least texinfo 4.0. Check for whether
5818 Pod::Man is sufficiently recent to regenerate GCC manpages.
5819 * configure: Regenerate.
5820 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5822 (GENERATED_MANPAGES): Define.
5823 (generated-manpages): New target. Depend on cpp.1 as well as
5825 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5826 configure to generated-manpages or empty) rather than on the
5827 manpages directly. Remove execute permission from installed
5828 gcov.1 as well as cpp.1.
5829 * cpp.1, gcov.1: Regenerate.
5831 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5833 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5834 tree_low_cst. Allow using cmpstrsi in more cases.
5836 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5838 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5841 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5843 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5844 * Makefile.in (HOST_CFLAGS): Mention build-make.
5846 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5848 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5851 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5853 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5856 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5859 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5860 reg_base_value and reg_known_value arrays.
5861 (init_alias_analysis): Add more cases to detect known values.
5862 * sched-deps.c (deps_may_trap_p): New function.
5863 (sched_analyze_2): Use it.
5865 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5867 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5868 don't discard an ASHIFTRT if we're shifting in a wider mode.
5870 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5872 * toplev.c (rest_of_compilation): Don't print basic block information
5873 when CFG isn't up to date.
5875 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5877 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5878 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5879 (UNALIGNED_SHORT_ASM_OP): Define.
5880 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5882 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5884 * fold-const.c (fold_convert): Fix typo.
5886 2001-01-02 Richard Henderson <rth@redhat.com>
5888 * c-common.h (ASM_INPUT_P): New.
5889 * c-parse.in (asm): Set it when needed.
5890 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5891 existance of an operand.
5893 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5895 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5896 (dwarf2out_frame_debug_expr): Likewise.
5897 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5899 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5901 * i386.c (ix86_split_to_parts): Return number of part required;
5903 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5905 (ix86_split_long_move): Use number of part returned
5906 by ix86_split_to_parts
5907 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5909 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5910 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5911 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5912 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5913 (ALIGN_MODE_128): Add TFmode.
5914 (IS_STACK_MODE): Likewise.
5915 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5916 (HARD_REGNO_OK): Support TFmodes.
5917 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5918 * i386.md (scheduler definitions): Use memory operand to determine
5919 fst/fld instructions; use mode attribute to determine real mode of
5921 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5922 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5924 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5926 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5928 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5930 * expr.c (store_constructor_field): Update ALIGN before calling
5933 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5935 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5938 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5940 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5943 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5945 * c-decl.c (start_function): Don't warn on third parameter to main.
5947 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5949 * tsystem.h: Define HAVE_DECL_GETOPT.
5951 2001-01-02 Philip Blundell <pb@futuretv.com>
5953 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5956 2001-01-02 Richard Henderson <rth@redhat.com>
5958 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5960 2001-01-02 Andreas Jaeger <aj@suse.de>
5962 * c-decl.c (c_decode_option): Remove support of
5965 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5966 (W_options): Add -Wmissing-noreturn here.
5968 * flow.c: Define lang_missing_noreturn_ok_p.
5969 (check_function_return_warnings): Use it.
5971 * c-common.h: Declare lang_missing_noreturn_ok_p.
5973 * c-lang.c (c_missing_noreturn_ok_p): New function.
5974 (lang_init): Set lang_missing_noreturn_ok_p.
5976 * invoke.texi (Warning Options): Document this.
5978 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5980 * extend.texi (C++ Extensions): New node for C++ attributes;
5981 describe init_priority and com_interface.
5982 * invoke.texi: Remove -finit-priority as it now has zero effect.
5983 * install.texi: Fix xref syntax.
5984 * md.texi: Likewise.
5986 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5988 * config.gcc (sparc64-wrs-vxworks*): New case.
5989 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5991 * config/sparc/sparc.c (sparc_override_options): Do support different
5992 pointer and architecture size.
5993 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5994 (POINTERS_EXTEND_UNSIGNED): Define.
5995 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5996 (FUNCTION_MODE): Define to be Pmode.
5997 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5999 * function.c (expand_function_end): Properly handle DECL_RESULT
6000 and copy when ptr_mode != Pmode.
6001 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6003 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6005 * c-common.c (c_common_nodes_and_builtins): Set prototype
6006 parameters for __builtin_fputs, __builtin_fputc and
6007 __builtin_fwrite. Don't declare plain fputc as a builtin.
6009 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6011 * loop.c (add_label_notes): Increment the label usage count when
6012 a note is added to an insn which refers to a CODE_LABEL.
6013 * gcse.c (add_label_notes): Likewise.
6015 2001-01-01 Andreas Jaeger <aj@suse.de>
6017 * loop.c (scan_loop): Use xmalloc to allocate movables.
6019 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6021 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6022 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6023 * reload1.c (REGISTER_MOVE_COST): Likewise.
6024 * regclass.c (REGISTER_MOVE_COST): Likewise.
6025 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6026 dimension. Adjust all users.
6027 (init_reg_sets_1): Iterate on all modes.
6028 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6029 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6030 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6031 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6032 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6033 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6034 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6035 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6036 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6037 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6038 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6039 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6040 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6041 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6042 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6043 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6044 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6045 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6046 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6047 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6048 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6049 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6050 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6051 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6052 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6053 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6054 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6056 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6058 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6059 arg VARIES_P. Call it with extra arg.
6060 (true_dependence): Likewise.
6061 * rtl.h (rtx_addr_can_trap_p): Declare.
6062 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6064 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6065 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6066 pic offset table register if it's zero. All callers changed.
6067 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6069 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6071 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6072 STRING_POOL_ADDRESS_P.
6074 * config/sparc/sparc.c (input_operand): Properly test for short op.
6076 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6077 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6078 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6079 * config/sparc/elf.h: No longer include sol2.h.
6080 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6081 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6083 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6085 2001-01-01 Michael Hayes <mhayes@redhat.com>
6087 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6088 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6089 (record_initial): Likewise.
6090 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6091 (remap_split_bivs): Likewise.
6093 2001-01-01 Michael Hayes <mhayes@redhat.com>
6095 * loop.c (loop_ivs_free): New function.
6096 (strength_reduce): Break out from...
6098 2001-01-01 Michael Hayes <mhayes@redhat.com>
6100 * loop.h (struct iv): New.
6101 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6102 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6103 'reg_biv_class' fields with 'regs' and 'n_regs'.
6104 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6105 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6106 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6108 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6110 * resource.c (mark_referenced_resources): Abort() before
6111 attempting to mark a pseudo register.
6112 (mark_set_resources): Likewise.
6114 2001-01-01 Michael Hayes <mhayes@redhat.com>
6116 * loop.h (REG_IV_CLASS): New accessor macro.
6117 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6118 * unroll.c (REG_IV_CLASS): Likewise.
6120 See ChangeLog.4 for earlier changes.