1 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
4 __WCHAR_TYPE__ definition.
5 (WCHAR_TYPE_SIZE): #undef before #define.
7 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
9 * cppfiles.c: Update comments.
10 (destroy_include_file_node): Rename destroy_node.
11 (find_or_create_entry): New function.
12 (open_file, _cpp_fake_include): Use it.
13 (handle_missing_header): New function, broken out of
14 _cpp_execute include. Don't segfault if there is no
15 system or quoted path.
16 (_cpp_execute_include): Use handle_missing_header.
18 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
20 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
21 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
23 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
25 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
26 unless anti_dependence says they are.
27 * alias.c (objects_must_conflict): If neither has a type specified,
30 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
31 David Billinghurst <David.Billinghurst@riotinto.com>
33 * config/mips/iris5.h: Change WCHAR_TYPE to int.
35 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
37 * i386.md (trunctfdf2_2): Rename missnamed pattern.
38 (*_one_bit): Remove type on the match_operand in attributes.
40 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
42 * i386.c: Commit forgotten hunk in previous patch.
43 (regclass_map): Add extended registers.
44 (dbx_register_map): Add missing frame register.
46 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
48 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
50 * i386.md (x86_sahf_1): Disable for 64bit.
51 (popsi*, pophi*): Likewise.
52 (pushqi, pushhi): Likewise.
53 (movdi, pushdi): Likewise.
54 (zero extend DImode splitter): Likewise.
55 (adddi, minusdi splitter): Likewise.
58 (mulsidi): Disable for 64bit
59 (lshift:DI/ashift:DI): Disable for 64bit.
60 (loop patterns): Likewise.
61 (call_pop, call_value_pop expanders and patterns): Likewise.
62 (prologue_get_pc): Likewise.
64 (fcmovDI pattern and splitter): Likewise.
65 (movdfcc_1_rex64): New.
67 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
69 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
70 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
71 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
72 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
73 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
74 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
75 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
76 (PUSH_ROUNDING): x86_64 rounds to 64bits.
77 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
78 (REGPARM_MAX): Set to 6 for x86_64.
79 (SSE_REGPARM_MAX): Set to 16 for x86_64.
80 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
83 * (patterns that does use upper halves): Update constraints
84 'q' to 'Q' and 'r' to 'R'.
85 (cmpqi_ext_1): Disable for 64bit.
86 (cmpqi_ext_3_insn): Likewise.
87 (movqi_extzv_1): Likewsie.
88 (addqi_ext_1): Liekwsie
89 (testqi_ext_1): Liekwsie
90 (andqi_ext_1): Liekwsie
91 (xorqi_ext_1): Liekwsie
92 (cmpqi_ext_1_rex64): New.
93 (cmpqi_ext_3_insn_rex64): Likewise.
94 (movqi_extzv_1_rex64): Likewsie.
95 (addqi_ext_1_rex64): Liekwsie
96 (testqi_ext_1_rex64): Liekwsie
97 (andqi_ext_1_rex64): Liekwsie
98 (xorqi_ext_1_rex64): Liekwsie
100 2001-03-11 Zack Weinberg <zackw@stanford.edu>
102 * configure.in: Move check for unsigned enumerated bitfields
103 to macro in aclocal.m4. Disable it for now.
104 * configure, config.in: Regenerate.
105 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
106 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
107 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
108 kind above its first use.
110 * config/xm-interix.h, config/alpha/xm-alpha.h,
111 config/i370/xm-linux.h, config/i386/xm-beos.h,
112 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
113 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
114 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
115 Don't define ONLY_INT_FIELDS under any circumstances.
117 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
119 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
120 config/sparc/xm-sysv4.h: Delete - now identical with some
122 * config.gcc (hppa targets): Replace xm-pahpux.h and
123 xm-papro.h with implicit xm-pa.h.
124 (sparc targets): Replace xm-sysv4.h with implicit or explicit
127 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
129 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
130 before reload_cse_noop_set_p.
132 2001-03-11 Zack Weinberg <zackw@stanford.edu>
134 * config.gcc: Where xm-host.h used to include another
135 xm-host.h, list the nested header directly in xm_file. Remove
136 references to deleted files. Can now use sparc/xm-sp64.h for
139 * config/xm-linux.h, config/arm/xm-linux.h,
140 config/i386/xm-dos.h, config/i386/xm-gnu.h,
141 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
142 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
143 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
144 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
147 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
148 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
149 bother to wrap #undef in #ifdef.
150 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
151 Don't include xm-linux.h.
152 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
154 * configure.in: Wrap regexps using [] in changequote block.
155 Use expr : not echo | grep. Simplify regexps.
156 * configure: Regenerate.
158 56 xm-files remain, 22 xm-arch.
160 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
162 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
163 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
164 (local_index, local_rindex): Delete, use strchr/strrchr instead.
165 (copy_object): Fix format specifier vs argument mismatch.
167 * mips-tdump.c: Make local functions static.
168 (rindex): Don't #undef.
169 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
170 (fatal, fancy_abort): Delete.
171 (read_seek): Avoid signed/unsigned compare.
173 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
175 * combine.c (try_combine): Fix error in change to try original
177 (gen_rtx_combine): Do same as gen_rtx for now.
179 2001-03-11 Zack Weinberg <zackw@stanford.edu>
181 * configure.in: AC_SUBST xm_defines.
182 * configure: Regenerate.
183 * Makefile.in: Set DEFINES=$(xm_defines) when building
186 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
188 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
189 (cpp_included, find_include_file): Update.
190 (_cpp_compare_file_date): Make else unconditional.
192 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
194 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
196 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
198 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
199 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
201 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
203 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
204 if it's a record type.
206 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
208 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
209 mingw includes slightly.
211 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
213 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
214 #undef token before poisoning it.
216 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
218 * alpha.c (check_float_value): Use memcpy, not bcopy.
220 * m32r.c (m32r_sched_reorder): Likewise.
222 * vax.c (check_float_value): Likewise.
224 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
226 * toplev.c (file_name_nondirectory): Remove.
227 * toplev.h: Similarly.
228 * dwarf2out.c (compute_section_prefix): Use lbasename instead
229 of file_name_nondirectory.
231 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
233 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
234 * mips-tfile.c: Don't #undef rindex; not used.
236 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
238 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
239 (dbx64_register_map): Declare.
240 (RETURN_ADDR_RTX): Fix for 64bit.
241 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
242 (INCOMING_FRAME_SP_OFFSET): Set to 8.
243 * i386.c (dbx64_register_map): New global array.
244 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
245 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
248 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
250 * cppfiles.c (search_from): Use lbasename.
251 * mkdeps.c (deps_add_default_target): Use lbasename.
253 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
255 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
256 xcalloc in lieu of malloc, realloc & calloc.
258 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
260 * gengenrtl.c (xmalloc): Likewise.
262 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
263 really_call_* memory allocation routines.
265 * stmt.c (check_for_full_enumeration_handling): Use
266 really_call_calloc, not calloc.
268 * system.h (really_call_malloc, really_call_calloc,
269 really_call_realloc): Define.
270 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
272 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
274 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
276 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
278 * configure: Rebuilt.
279 * configure.in: Only use `lang_requires' for languages athat are
282 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
284 * invoke.texi: Fix typo.
287 2001-03-09 Zack Weinberg <zackw@stanford.edu>
289 * configure.in: Prune nonexistent files from build_xm_file,
290 xm_file, and host_xm_file lists. Warn unless they're
292 Don't generate *config.h here.
293 AC_SUBST all variables needed to generate *config.h.
294 * configure: Regenerate.
295 * mkconfig.sh: New helper script, from code removed from
297 * Makefile.in: Zap all MALLOC variables - no longer used
298 anywhere, and malloc.c doesn't exist.
299 Substitute in variables needed to generate *config.h.
300 Stop lying about the dependencies contained in CONFIG_H and
302 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
303 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
304 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
305 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
306 $(TM_P_H), etc. as appropriate.
308 * config.gcc: Zap references to deleted files.
309 * ggc-none.c: Don't include rtl.h or tm_p.h.
311 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
312 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
313 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
314 config/i386/xm-linux.h, config/i386/xm-linux.h,
315 config/i386/xm-next.h, config/i386/xm-openbsd.h,
316 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
317 Don't include i386/xm-i386.h.
319 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
320 config/i386/xm-i386.h, config/i860/xm-i860.h,
321 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
322 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
323 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
324 Delete (empty except comments, #includes of other deleted
325 files, and macros used nowhere).
327 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
329 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
330 independent on TARGET_FLAGS.
332 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
334 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
336 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
338 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
340 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
341 LAST_REX_SSE_REG): define.
342 (enum reg_class): Add 'LEGACY_REGS'
343 (REG_CLASS_CONTENTS): Likewise; add extended registers.
344 (SSE_REGNO_P): Recognize extended registers.
345 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
346 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
347 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
348 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
349 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
350 REG_OK_FOR_STRREG_P): Remove.
351 (HI_REGISTER_NAMES): Add extended registers.
352 (ADDITIONAL_REGISTER_NAMES): Likewise.
353 (QI_REGISTER_NAMES): Add 8bit extended registers.
354 (DEBUG_REG): Support extended registers.
355 * i386.c (regclass_map): Add extended registers.
356 (dbx_register-map): Likewise.
357 (svr4_dbx_register_map): Likewise.
358 (print_reg): Support extended registers.
359 (print_operand): Support 64bit operands.
361 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
363 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
364 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
365 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
366 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
367 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
368 STACK_BOUNDARY): Set properly for 64bits.
369 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
370 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
371 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
372 (MOVE_MAX): Set to 16.
373 (MOVE_MAX_PIECES): 8 for 64bit.
374 (Pmode): Set to SImode.
376 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
378 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
380 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
382 * i386.h (mask_64bit): New constant.
383 (target_64bit): New macro.
384 (target_options): Add '64'/'32'
385 (target_default): Define.
386 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
387 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
388 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
390 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
392 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
394 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
396 * rtlanal.c (rtx_varies_p): Check operand 0 of a
397 LO_SUM unless for_alias is set.
399 2001-03-08 Stan Shebs <shebs@apple.com>
401 * objc/objc-act.c: Fix old typos in comments, add comments for
403 (hash_init): Fix file name in error message.
405 (hash_add_attr): Ditto.
406 (continue_class): Ditto.
408 2001-03-08 Bruce Korb <bkorb@gnu.org>
410 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
411 wait4() can receive the signal.
413 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
415 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
417 * fixinc/fixincl.x: Regenerate.
419 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
421 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
423 * fixinc/fixincl.x: Regenerate.
425 2001-03-08 Richard Henderson <rth@redhat.com>
427 * configure.in (HAVE_AS_LEB128): New assembler check.
428 * configure, config.in: Rebuilt.
430 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
432 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
435 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
437 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
438 references to the MAXPATHLEN macro.
440 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
441 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
444 * config/i386/xm-gnu.h, config/xm-gnu.h,
445 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
446 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
447 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
450 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
451 doing so in various xm-*.h files.
453 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
455 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
457 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
459 * configure.in (enable_shared): Support per-package shared-library
461 * configure: Rebuilt.
463 2001-03-07 David Edelsohn <edelsohn@gnu.org>
465 * rs6000.md (cr logic): Add original POWER mnemonic alternative
466 for crnot. Set operands[5] in splitter.
468 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
470 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
471 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
472 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
473 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
474 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
475 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
476 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
479 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
480 config/i370/xm-i370.h, config/i386/xm-dgux.h,
481 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
482 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
483 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
484 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
485 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
486 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
487 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
488 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
489 Delete unused and/or empty files.
491 * config.gcc: Define USG in xm_defines as appropriate. Define
492 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
493 macro. Remove deleted xm-* files from $xm_files variable.
495 2001-03-07 Tom Tromey <tromey@redhat.com>
497 * configure: Rebuilt.
498 * configure.in: Allow config-lang.in to set `lang_requires' to list
499 of other required languages.
501 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
503 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
505 (output_prologue): Use xmalloc not oballoc.
506 (output_epilog): Free a29k_first_epilogue_insn when finished.
507 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
509 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
511 * builtins.c (expand_builtin_mathfn): Check
512 flag_unsafe_math_optimizations, not flag_fast_math.
513 (expand_builtin): Likewise
514 * combine.c (combine_simplify_rtx): Likewise.
515 (simplify_if_then_else): Likewise.
516 * cse.c (fold_rtx): Likewise.
517 * flags.h: Remove flag_fast_math. Add
518 flag_unsafe_math_optimizations and flag_trapping_math.
519 * fold-const.c (negate_expr): Check
520 flag_unsafe_math_optimizations, not flag_fast_math.
521 (invert_truthvalue): Likewise.
522 (fold): Likewise. Before associating operands, check that
523 code == MULT_EXPR, not code != MULT_EXPR.
524 * ifcvt.c (noce_try_minmax): Check
525 flag_unsafe_math_optimizations, not flag_fast_math.
526 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
527 * invoke.texi: Document -funsafe-math-optimizations and
528 -fno-trapping-math. Change documentation for -ffast-math.
529 * jump.c (reversed_comparison_code_parts): Likewise.
530 (rtx_equal_for_thread_p): Likewise.
531 * optabs.c (emit_conditional_move): Likewise.
532 * simplify-rtx.c (simplify_binary_operation): Likewise.
533 (simplify_relational_operation): Likewise.
534 (simplify_ternary_operation): Likewise.
535 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
536 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
537 Add trapping-math and unsafe-math-optimizations entries to f_options.
538 (set_fast_math_flags): New, sets flags for -ffast-math.
539 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
540 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
541 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
543 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
544 (alpha_emit_conditional_move): Initialize local_fast_math to
545 flag_unsafe_math_optimizations, not flat_fast_math.
546 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
547 instead of setting flag_fast_math to 1.
548 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
550 * config/i386/i386.c (override_options): Likewise
551 * config/i386/i386.md: Likewise.
552 * config/m68k/m68k.md: Likewise.
553 * config/mips/mips.md: Likewise.
554 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
555 (rs6000_generate_compare): Likewise.
557 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
559 * Makefile.in: Set RANLIB to @RANLIB@.
562 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
564 * fixinc/inclhack.def (djgpp_wchar_h): New test.
565 * fixinc/fixincl.x: Regenerated.
567 2001-03-07 Richard Henderson <rth@redhat.com>
569 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
571 2001-03-07 Richard Henderson <rth@redhat.com>
573 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
574 of block notes and exception handling notes.
576 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
577 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
578 (compile_file): ... here.
580 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
582 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
584 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
585 config.h now. Include libiberty.h to handle alloca.
587 2001-03-06 Zack Weinberg <zackw@stanford.edu>
589 * c-parse.in (yylexname): New function, split out of _yylex.
590 (objc_rid_sans_at): New table.
591 (init_reswords): Initialize it.
592 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
593 retrieving the next token and checking it for significance as
594 an ObjC keyword or string constant.
596 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
597 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
599 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
602 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
604 * config/m68k/m68k.c (const_uint32_operand): Accept any
605 const_int on a 32-bit host.
607 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
609 * objc/objc-act.c (init_objc): Set save_lang_status,
610 restore_lang_status, and mark_lang_status.
612 2001-03-06 Krister Walfridsson <cato@df.lth.se>
614 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
616 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
618 * cppinternals.texi: Update.
620 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
622 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
623 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
624 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
625 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
626 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
627 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
628 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
629 config/i386/xm-i386.h, config/i860/xm-i860.h,
630 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
631 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
632 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
633 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
634 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
635 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
636 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
637 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
638 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
639 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
640 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
641 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
642 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
643 match the defaults provided in hwint.h.
645 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
646 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
648 * config.gcc (xm_file): Don't set to files which are deleted.
650 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
651 guard this file against these macros being undefined.
653 2001-03-06 Zack Weinberg <zackw@stanford.edu>
655 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
656 and DECL_DEFER_OUTPUT on the decl we create, before calling
657 rest_of_decl_compilation.
659 2001-03-06 Zack Weinberg <zackw@stanford.edu>
661 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
663 * configure, config.in: Regenerate.
664 * config.gcc: Remove references to deleted files.
666 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
667 genrecog.c, rtl.c: Do not use alloca anywhere.
669 * Makefile.in, build-make, system.h, config/x-interix,
670 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
671 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
672 config/arc/xm-arc.h, config/arm/xm-arm.h,
673 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
674 config/h8300/xm-h8300.h, config/i370/x-oe,
675 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
676 config/i386/x-ncr3000, config/i386/x-sco5,
677 config/i386/xm-dgux.h, config/i860/x-sysv4,
678 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
679 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
680 config/m68k/x-hp320g, config/m69k/x-mot3300,
681 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
682 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
683 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
684 config/m88k/x-sysv4, config/m88k/x-tekXD88,
685 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
686 config/mips/x-iris, config/mips/x-iris3,
687 config/mips/x-sni-svr4, config/mips/x-sysv,
688 config/mips/xm-iris6.h, config/mips/xm-mips.h,
689 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
690 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
691 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
692 config/pa/xm-papro.h, config/romp/xm-romp.h,
693 config/rs6000/x-aix31, config/rs6000/x-aix41,
694 config/rs6000/x-beos, config/rs6000/x-lynx,
695 config/rs6000/x-mach, config/rs6000/x-rs6000,
696 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
697 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
698 config/sparc/x-sysv4, config/sparc/xm-linux.h,
699 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
700 config/vax/xm-vms.h: Eradicate all references to alloca and
703 * config/xm-alloca.h, config/clipper/x-clix,
704 config/i386/xm-sysv4.h, config/i860/x-fx2800,
705 config/i860/x-sysv3, config/m88k/x-sysv3,
706 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
707 (contained only alloca related hacks).
709 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
712 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
714 * invoke.texi: Document __FAST_MATH__.
716 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
718 * crtstuff.c: Restore include of auto-host.h.
720 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
722 Put main() in a separate file, so that the language
723 front-end can use a different main().
726 * toplev.c: (main): Rename as toplev_main.
727 * toplev.h: Declare toplev_main.
728 * Makefile.in (OBJS): add toplev.o.
729 (BACKEND): remove toplev.o, add main.o.
731 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
733 * cppfiles.c (search_from): Special case the empty string.
735 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
737 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
738 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
739 strlen or strcpy; we already know the length.
740 (_cpp_compare_file_date): Similarly.
741 * cpphash.h (struct cpp_reader): Delete done_initialising.
742 (CPP_PREV_BUFFER): Delete.
743 * cppinit.c (cpp_start_read): Don't set done_initialising.
744 * cpplex.c (parse_string): Guarantee null-termination.
745 (_cpp_equiv_toklists): Remove.
746 * cpplib.c (glue_header_name): Null-terminate.
747 (do_line): Don't leak memory.
748 * cpplib.h (BT_WEAK): Delete.
749 * cppmain.c (cb_ident): Strings are now null-terminated.
751 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
753 * gcc.c (convert_filename): Append executable suffix
754 if NO_AUTO_EXE_SUFFIX is not defined.
755 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
756 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
758 2001-03-03 David O'Brien <obrien@FreeBSD.org>
760 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
761 * c-parse.gperf, c-gperf.h: Delete.
762 (c-gperf.h was accidently re-added to the CVS repo in the rev
763 1.16 commit by tromey)
765 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
767 * cpplex.c (_cpp_lex_token): Don't warn about directives in
768 macro arguments when looking for the '('.
769 * cppmacro.c (funlike_invocation_p): Set parsing_args to
770 2 when really parsing arguments; 1 when looking for '('.
771 Always restore the lexer position.
773 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
775 * longlong.h (umul_ppmm): Don't use a multiline string.
777 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
779 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
780 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
781 t_bool in declaration because pcc can't combine volatile with typedef
784 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
786 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
787 until when it is really needed.
788 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
789 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
790 * i386.md (float?i?f splitter): Don't force source operand to memory
792 (sse_movdfcc): Fix constraint.
793 (sse_movdfcc splitter): Handle properly the second alternative.
795 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
797 * cpplex.c (parse_string): Unconditionally pedwarn.
799 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
802 * cppexp.c (parse_number): Update.
803 * cpplex.c (parse_string): Pedwarn if multiline string does not
804 result from a system header's macro.
805 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
806 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
807 for function-like macros too.
808 * c-lex.c (lex_number): Update.
810 2001-03-03 Richard Henderson <rth@redhat.com>
812 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
814 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
816 * combine.c (try_combine): If split with mode-changed scratch
817 register didn't work, try the original mode.
819 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
821 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
822 * config/c4x/c4x.h: Likewise.
823 * stor-layout.c (compute_record_mode): Likewise.
824 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
826 2001-03-02 Zack Weinberg <zackw@stanford.edu>
828 * configure.in: Kill tm.h. Include the files in the $tm_file
829 list in all three of config.h, hconfig.h, tconfig.h, after the
830 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
831 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
832 * configure: Regenerate.
833 * Makefile.in (clean): Don't delete tm.h.
835 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
836 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
837 those are not defined, set SEC and FEC to 0 and 1.
838 * gcc.texi: Update to match.
840 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
841 * config/fp-bit.c, config/m68k/aux-crt2.asm,
842 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
843 Include tconfig.h, not tm.h.
845 * config/xm-lynx.h, config/xm-std32.h,
846 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
847 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
848 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
849 config/clipper/xm-clix.h, config/convex/xm-convex.h,
850 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
851 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
852 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
853 config/i386/xm-i386.h, config/i860/xm-i860.h,
854 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
855 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
856 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
857 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
858 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
859 config/pa/xm-linux.h, config/pa/xm-pa.h,
860 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
861 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
862 config/pj/xm-pj.h, config/romp/xm-romp.h,
863 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
864 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
865 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
866 config/v850/xm-v850.h, config/vax/xm-vax.h,
867 config/we32k/xm-we32k.h:
869 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
871 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
872 config/i370/xm-oe.h: Don't include tm.h. Don't define
874 * config/vax/xm-vms.h: Don't include tm.h.
876 * config/xm-lynx.h, config/avr/xm-avr.h,
877 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
878 Delete; made empty by above changes.
879 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
880 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
881 Don't include config/xm-lynx.h or tm.h.
883 * config/xm-gnu.h: Don't include fcntl.h.
884 * config/sparc/xm-lynx.h: Don't include sys/types.h and
886 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
888 2001-03-02 Richard Henderson <rth@redhat.com>
890 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
891 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
893 2001-03-02 Richard Henderson <rth@redhat.com>
895 * Makefile.in (OBJS): Add dwarf2asm.o.
896 * dwarf2asm.c, dwarf2asm.h: New files.
897 * dwarf2out.c (*): Use them.
898 (size_of_uleb128, size_of_sleb128): Remove.
899 (output_uleb128, output_sleb128): Remove.
900 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
901 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
902 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
903 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
904 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
905 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
906 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
907 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
908 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
909 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
910 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
911 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
912 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
913 (dwarf2out_frame_debug): Remove unused variables.
914 (output_loc_operands): Don't abort on 8 byte constants if
915 host integers are wide enough.
916 (output_symbolic_ref): Remove.
917 (size_of_die): Don't assume 4 byte host integers.
918 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
920 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
921 something stupid with HOST_WIDE_INT to long truncation.
922 [CONST_DOUBLE]: Likewise.
924 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
925 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
926 * config/arm/unknown-elf.h: Likewise.
927 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
928 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
929 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
930 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
931 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
932 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
933 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
934 (ASM_OUTPUT_DWARF_OFFSET): Remove.
935 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
936 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
937 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
938 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
940 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
942 * cselib.c (hash_rtx): Cast enums to unsigned int.
944 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
946 * print-rtl.c (print_rtx): Cast enums to int for comparison.
947 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
949 * c-format.c (C_STD_VER): Cast to int for comparisons.
950 (check_function_format): Cast various enums to int for &.
951 (maybe_read_dollar_number): Likewise.
952 (check_format_info): Likewise.
953 (check_format_info_main): Likewise.
954 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
955 (safe_from_p): Likewise.
956 * varasm.c (const_hash): Cast enum to int for %.
957 * emit-rtl.c (init_emit_once): Use int loop variable to work around
958 pcc enum problems with < and ++ operators.
959 * regclass.c (init_reg_sets_1): Cast enums for comparison.
960 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
961 (regclass_init): Change enum class to int to iterate over reg_classes.
962 * genrecog.c (merge_trees): Cast enums for comparison.
963 * rtl.h (GET_CODE): Cast to enum rtx_code.
964 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
965 (GET_MODE): Cast to enum machine_mode.
966 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
967 (GET_NOTE_INSN_NAME): Cast enum to int.
968 * tree.h (TREE_CODE): Cast to enum tree_code.
969 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
970 * timevar.c (timevar_print): Change loop variable id from enum to
972 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
973 * config/i386/i386.md: Use PUT_MODE for mode assignment.
974 * toplev.c (compile_file): Cast enum DFI to int.
975 (decode_d_option): Likewise.
977 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
979 * cppinit.c (append_include_chain): Mark "after" include file name list
980 as a system directory.
981 * cpp.texi: Document new behavior.
983 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
985 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
987 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
989 * cppfiles.c (struct include_file): Update.
990 (stack_include_file): Use search_from.
991 (cpp_included, find_include_file): Update.
992 (cpp_execute_include): Update. ptr->name may not be
993 null terminated. Use the new search_from member variable
995 (_cpp_compare_file_date): Similarly.
996 (search_from): New function, similiar to actual_directory.
997 (actual_directory): Delete.
998 (remap_filename): Update. loc->name may not be null terminated.
999 (struct file_name_list): Rename search_path. Update.
1000 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1001 search_from and dir.
1002 (struct cpp_reader): Remove actual_dirs.
1003 * cppinit.c (struct cpp_pending): Update for renamed objects.
1004 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1005 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1006 * cpplib.h (struct cpp_options): Similarly.
1008 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1010 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1011 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1012 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1013 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1014 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1015 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1016 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1017 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1018 config/i370/xm-oe.h, config/i386/xm-aix.h,
1019 config/i386/xm-i386.h, config/i386/xm-osf.h,
1020 config/i860/xm-i860.h, config/i960/xm-i960.h,
1021 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1022 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1023 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1024 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1025 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1026 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1027 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1028 config/pj/xm-pj.h, config/romp/xm-romp.h,
1029 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1030 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1031 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1032 config/v850/xm-v850.h, config/vax/xm-vax.h,
1033 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1034 Do not define TRUE or FALSE.
1036 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1037 empty by above change.
1038 * config.gcc: Remove references to these files.
1040 * configure.in: Detect stdbool.h.
1041 * configure, config.in: Regenerate.
1042 * system.h: Include stddef.h here if available.
1043 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1044 Then set up a sensible boolean type at the very end.
1046 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1047 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1049 * hash.h: Delete 'boolean' typedef and related #undefs.
1051 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1052 all uses of 'boolean' with 'bool'.
1054 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1056 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1057 * cppexp.c (lex): Cast enums for comparison.
1058 * cppinit.c (parse_option): Cast enum for comparison.
1059 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1060 (cpp_output_token): Likewise.
1061 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1062 (cpp_avoid_paste): Cast enums for minus and comparison.
1064 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1066 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1067 field to all array elements.
1069 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1071 * cpphash.h (struct cpp_reader): Add print_version field.
1072 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1073 just set print_version and other flags as appropriate.
1074 (cpp_post_options): Print version here if print_version is set.
1076 * toplev.c (exit_after_options): New flag.
1077 (independent_decode_option): Don't exit here; just set
1079 (main): Exit after calling lang_hooks.post_options if
1080 exit_after_options is true.
1082 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1083 (merge_include_chains): Adjust comment to match code.
1085 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1087 * stringpool.c (set_identifier): New function.
1088 * tree.h: Prototype it.
1090 * c-parse.in: Kill D_YES. If compiled for objc, call
1091 save_and_forget_protocol_qualifiers from init_reswords.
1092 * objc/objc-act.c (remember_protocol_qualifiers,
1093 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1094 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1096 (save_and_forget_protocol_qualifiers): New function.
1097 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1099 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1101 * c-semantics.c (prune_unused_decls): Return error_mark_node
1102 instead of (tree) 1 to stop traversing the tree chain.
1104 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1106 Fix a problem introduced by Kenner's Feb 18 change.
1107 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1108 flag_cse_skip_blocks only temporarily, not for ever.
1110 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1112 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1113 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1115 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1116 before determining its register class.
1118 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1120 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1121 from reg 4 if current_function_calls_setjmp.
1122 (gen_nop_type): New function.
1123 (ia64_emit_nops): New function.
1124 (ia64_reorg): Call it.
1125 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1127 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1128 code not to try to optimize adds with anything but a REG destination.
1130 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1131 (INSN_PRIORITY_KNOWN): New accessor macro.
1132 * haifa-sched.c (priority): Use it instead of testing priority against
1135 2001-02-28 DJ Delorie <dj@redhat.com>
1137 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1138 since that doesn't work the way gcc wants on a generic m68k.
1140 2001-02-28 Richard Henderson <rth@redhat.com>
1142 * caller-save.c (save_call_clobbered_regs): Fix typo in
1143 comparison last change.
1145 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1147 * i386.c (pentium4_cost): New.
1148 (m_PENT4): New macro.
1149 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1150 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1151 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1152 x86_memory_mismatch_stall): Add Pentium4
1153 (x86_use_q_reg, x86_use_any_reg): Kill.
1154 (override_options): Add pentium4.
1155 (incdec_operand): Return 0 for pentium4.
1156 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1157 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1158 (TARGET_PENTIUM4): Define.
1159 (enum processor_type): Add PROCESSOR_PENTIUM4.
1160 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1161 * i386.md (attribute "cpu"): Add pentium4.
1162 * invoke.texi (march): Add pentium4.
1164 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1166 * i386.md (sse_mov?fcc*): New patterns and splitters.
1167 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1168 the SSE based conditional moves.
1170 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1172 * i386.md (attribute mode): Add "TI".
1173 (movsf_1): Add pxor support; remove constant propagation splitter.
1174 (movdf_integer): Likewise.
1175 (movdf_nointeger): Likewise.
1176 (movxf constant prop splitter): Handle all modes; update for SSE.
1177 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1178 * i386.c (standard_80387_constant_p): Rewrite.
1179 (standard_sse_constant_p): New.
1180 * i386-protos.h (standard_sse_constant_p): New.
1182 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1184 * i386.md (sse_setccsf, sse_setccdf): New.
1185 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1187 * i386.c (sse_comparison_operator): Accept the supported unordered
1188 comparses; be ready for fast_math.
1189 (print_operand): Support 'D'.
1191 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1193 * jump.c (reversed_comparison_code): Kill.
1195 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1197 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1200 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1202 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1203 add missing '%' in constraints.
1205 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1207 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1208 for HOST_BITS_PER_WIDE_INT == 32 too.
1210 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1212 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1214 (insert_save, insert_restore): New parameter save_mode.
1215 (init_caller_save): Update initialization of reg_save_code
1216 and reg_restore_code.
1217 (save_call_clobbered_regs): Compute save_modes and update calls to
1218 reg_save_code and reg_restore_code.
1219 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1220 of spill; update use of reg_restore_code.
1221 (insert_save): Likewise.
1222 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1223 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1224 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1226 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1228 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1229 noce_try_store_flag_inc, noce_try_store_flag_mask,
1230 noce_try_cmove_arith):
1231 Use reversed_comparison_code instead of reverse_comparison and
1232 can_reverse_comparison_p.
1234 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1236 * jump.c (reversed_comparison_code_parts): Allow reversal of
1237 unordered compares in -ffast-math mode; reverse ordered compares
1238 for FP even w/o -ffast-math.
1240 2001-02-27 Richard Henderson <rth@redhat.com>
1242 * print-rtl.c (print_rtx) [i]: Don't print field five on
1243 NOTEs other than NOTE_INSN_DELETED_LABEL.
1245 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1247 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1248 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1250 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1252 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1253 even if walk_subtrees is 0.
1254 * c-semantics.c (prune_unused_decls): Return a non-null value to
1255 stop traversing the tree chain.
1257 2001-02-27 DJ Delorie <dj@redhat.com>
1259 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1260 register, *then* define it as the new CFA.
1262 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1264 * pa.c (override_options): Promote -fpic to -fPIC.
1265 (legitimize_pic_address): Simplify due to removal of
1266 small PIC as a code generation option.
1267 (secondary_reload_class): Similarly.
1268 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1269 (PRINT_OPERAND_ADDRESS): Similarly.
1270 * pa.md (various patterns): Similarly.
1271 (small pic lo_sum pattern): Remove.
1273 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1276 * md.texi (min, max): Document
1278 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1280 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1281 TARGET_PARTIAL_REG_DEPENDENCY.
1282 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1284 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1286 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1288 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1290 * mips.c (mips_make_temp_file): Fix thinko in last change.
1292 2001-02-26 Jason Eckhardt <jle@redhat.com>
1294 * combine.c (known_cond): Do not reverse the condition when
1295 SMAX/UMAX is being considered and the condition is for equality
1298 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1300 2001-02-26 Philip Blundell <philb@gnu.org>
1302 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1304 * config/arm/linux-elf.h: Remove historical relics related to
1305 above configurations.
1306 * config/arm/linux-oldld.h: Delete.
1307 * config/arm/linux-elf26.h: Delete.
1309 2001-02-26 Jason Merrill <jason@redhat.com>
1311 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1313 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1314 recognize a tentative definition. Lose obsolete code.
1316 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1317 variables unless necessary, either.
1319 2001-02-25 Richard Henderson <rth@redhat.com>
1321 * ifcvt.c (struct noce_if_info): Add test_bb.
1322 (noce_get_alt_condition): New.
1323 (noce_try_minmax, noce_try_abs): New.
1324 (noce_operand_ok): New.
1325 (noce_process_if_block): Use them.
1326 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1328 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1330 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1333 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1335 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1336 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1338 (mips_asm_file_end): Free temp_filename here.
1340 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1342 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1343 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1345 * config/i386/i386.md (movstrsi): Handle FAIL case.
1347 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1349 * cppinit.c (builtin_array): Update.
1350 (init_builtins): Flag builtins to warn if redefined or
1351 undefined. Define __GXX_WEAK as a normal macro.
1352 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1353 * cpplib.h (NODE_WARN): New flag.
1354 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1355 Handle __STDC__ as a builtin only on Solaris.
1356 (warn_of_redefinition): Renamed from check_macro_definition.
1357 Reverse sense of test. Always warn if NODE_WARN.
1358 (_cpp_create_definition): Use warn_of_redefinition. Flag
1359 any macro beginning with "__STDC_" to require a mandatory
1360 warning if redefined or undefined.
1362 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1364 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1365 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1366 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1367 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1368 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1369 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1370 Don't define any of:
1371 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1372 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1373 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1374 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1375 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1377 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1378 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1381 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1382 Delete now-empty file.
1384 * alpha/vms.h: Define NEED_ATEXIT here...
1385 * alpha/xm-vms.h: ...not here.
1387 * i386/cygwin.h: Don't define PARAMS.
1388 * mips/mips.c: Don't prototype mktemp. Don't define
1389 P_tmpdir. Use make_temp_file to create temporary files.
1390 Don't be clever and delete temporary files early.
1391 * config.gcc: Drop references to deleted files. Don't define
1393 * gcc.texi: Don't mention USE_PROTOTYPES.
1395 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1397 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1398 (ix86_set_move_mem_attrs_1): Likewise.
1399 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1400 * config/i386/i386.md (movstrsi): Call it.
1402 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1404 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1405 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1406 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1407 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1409 (i750a-*-*): Error here if hosting on i750a.
1410 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1412 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1413 Remove (empty modulo comments).
1415 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1416 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1417 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1418 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1419 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1420 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1422 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1423 Remove reference to winnt.h in comment.
1424 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1426 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1428 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1429 used to set another biv.
1431 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1433 * tree.h (BLOCK_DEAD): New macro.
1434 (struct tree_block): New flag, dead_flag.
1435 * print-tree.c (print_node, case 'b'): Print missing fields.
1436 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1437 * function.c (identify_blocks): Enable test for misplaced notes.
1438 (all_blocks): Skip BLOCK_DEAD blocks.
1439 * integrate.c (integrate_decl_tree): Likewise.
1441 * errors.c (internal_error, trim_filename): New functions.
1442 (fancy_abort): Call internal_error.
1443 * errors.h (internal_error, trim_filename): New declarations.
1445 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1447 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1449 (EXTRA_CONSTRAINT): Formatting changes.
1451 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1453 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1455 2001-02-23 Per Bothner <per@bothner.com>
1457 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1458 so they can be called from java/jvspec.c.
1459 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1461 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1463 * i386.c (ix86_frame): New structure.
1464 (ix86_compute_frame_size): Kill.
1465 (ix86_compute_frame_layout): New.
1466 (ix86_save_reg): New.
1467 (ix86_can_use_return_insn_p): Use frame layout stuff.
1468 (ix86_expand_prologue): Likewise.
1469 (ix86_expand_epilogue): Likewise.
1470 (ix86_initial_elimination_offset): Likewise.
1471 (ix86_nsaved_regs): Use ix86_save_reg.
1472 (ix86_emit_save_regs): Likewise.
1474 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1476 * flow.c (find_sub_basic_blocks): New function.
1477 (split_block): Be ready for basic block introduced by CODE_LABEL.
1478 (commit_one_edge_insertion): Call find_sub_basic_block.
1480 * flow.c (make_edges): Add edge from entry for blocks starting with
1481 label having ALTERNATE_NAME
1483 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1485 * function.c (epilogue_done): Be ready for first basic block not
1486 containing PROLOGUE_END note.
1487 (reposition_prologue_and_epilogue_notes): Avoid placing
1488 PROLOGUE_END note between BASIC_BLOCK.
1490 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1492 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1494 2001-02-21 DJ Delorie <dj@redhat.com>
1496 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1497 check for current_function_has_nonlocal_goto from 1999-11-12.
1499 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1501 * diagnostic.c (trim_filename): No longer static.
1502 * toplev.h (trim_filename): Declare.
1503 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1504 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1505 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1506 (rtvec_check_failed_bounds): Likewise.
1507 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1509 * convert.c (convert_to_integer): Don't do unsigned unless result or
1510 both inputs are unsigned.
1512 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1515 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1517 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1519 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1521 * Makefile.in (resource.o): Add params.h dependence.
1522 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1523 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1524 * resource.c: Add dependence on params.h.
1525 (current_live_regs): Fix explanatory comment.
1526 (find_basic_block): Add new parameter to permit limiting search
1528 (mark_target_live_regs): Add new argument to find_basic_block call.
1529 (incr_ticks_for_insn): Likewise.
1531 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1533 * diagnostic.c (output_to_stream): Rename to
1534 output_buffer_to_stream. Loses the stream parameter.
1535 (init_output_buffer): Set diagnosic_buffer's stream.
1536 (flush_diagnostic_buffer): Adjust.
1537 (default_print_error_function): Likewise.
1538 (finish_diagnostic): Likewise.
1539 (verbatim): Likewise.
1541 * diagnostic.h (struct output_buffer): Add `stream' field.
1542 (output_buffer_attached_stream): New macro.
1544 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1546 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1547 check if either operand is divisible by C.
1548 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1549 If type is signed, consider negative numbers as well.
1551 2001-02-22 Richard Henderson <rth@redhat.com>
1553 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1554 reach .text instead of gp-relative relocs.
1555 * config/ia64/crtend.asm (.init): Likewise.
1557 2001-02-22 Andreas Jaeger <aj@suse.de>
1559 * extend.texi (C++ Attributes): Fix typo.
1561 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1563 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1564 functions, drop current_function_args_info.words test.
1565 (ia64_compute_frame_size): Mark syscall_linkage functions as
1566 using eight input registers.
1568 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1569 Bruce Korb <bkorb@gnu.org>
1571 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1572 * fixinc/README: Document how to convert sed substitutions
1573 to format style c_fix-es.
1574 * fixinc/fixincl.x: regen
1576 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1578 * gcc.c: Add comment explaining how to add a command-line option.
1579 Add title to specs language comment.
1581 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1583 * gcc.c (cc1_options): Add "-param".
1584 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1585 (option_map): Likewise.
1586 * toplev.c (display_help): Add entry for "--param".
1587 (independent_decode_option): Fix typographical error.
1589 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1590 Bernd Schmidt <bernds@redhat.com>
1591 Jan Hubicka <jh@suse.cz>
1593 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1594 (function_arg): Likewise.
1596 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1598 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1600 2001-02-21 Kazu Hirata <kazu@hxi.com>
1602 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1606 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1608 * flow.c (init_propagate_block_info): Canon address and use single_set
1609 for killing dead memory stores.
1611 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1613 * Makefile.in (reorg.o): Add params.h dependence.
1614 * params.def: Fix typographical error in comment.
1615 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1616 * params.h: Modify introductory comment.
1617 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1618 * reorg.c: Add dependence on params.h.
1619 (redundant_insn): Add parameterized throttle for search.
1620 (fill_simple_delay_slots): Add a comment explaining a variable.
1621 Move conditional out of loop, simplifying code.
1622 (fill_eager_delay_slots): Fix typographical error in comment.
1624 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1626 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1628 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1629 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1631 2001-02-21 Jason Merrill <jason@redhat.com>
1633 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1634 (struct tree_decl): Add uninlinable bitfield.
1635 * c-decl.c (duplicate_decls): Set it.
1636 * integrate.c (function_cannot_inline_p): Check it.
1638 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1639 DW_AT_MIPS_linkage_name to abstract methods.
1640 (dwarf2out_abstract_function): Emit class context before calling
1641 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1642 (gen_subprogram_die): Remove obsolete code.
1643 (gen_member_die): Don't include clones in the member list.
1644 (gen_decl_die): Emit abstract info for clone origin.
1645 * dwarfout.c (output_type): Don't include clones in the member list.
1646 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1647 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1648 DECL_ABSTRACT on a function that already has it set.
1650 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1651 (get_subprogram_die): Pass it in.
1653 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1655 * flow.c (mark_set_1): Make not_dead unsigned long. For
1656 non-pseudos, use it as a bitmask of the hard regs that
1659 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1661 * cppfiles.c: Update comments.
1662 (_cpp_read_file): Don't check for NULL filenames any more.
1663 * cppinit.c (cpp_start_read): Don't do canonicalization of
1664 in_fname and out_fname. Use the passed file name exclusively.
1665 (_cpp_handle_options): Don't treat "-" as a command line option,
1666 but as a normal filename.
1667 (_cpp_post_options): Canonicalize in_fname and out_fname.
1668 * cppmain.c (printer_init): Don't check out_fname for NULL.
1669 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1670 (init_c_lex): Update, and use "" to represent stdin to CPP.
1673 2001-02-20 Will Cohen <wcohen@redhat.com>
1675 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1676 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1677 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1680 2001-02-20 Stan Shebs <shebs@apple.com>
1682 * config/rs6000/rs6000.c (output_cbranch): Output branches
1683 on separate lines instead of using ';' to separate.
1685 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1687 * cppinit.c (set_lang): Move builtin handling to...
1688 (init_builtins): ...here.
1689 (_cpp_create_reader): Move call to set_lang.
1691 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1693 * stmt.c (expand_return): If an attempt is made to return the
1694 error_mar_node, treat the return like a return without a value.
1696 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1698 * sibcall.c (skip_copy_to_return_value): Call
1699 identify_call_return_value here, and return orig_insn if it
1700 returns zero. Hardret and softret arguments now unnecessary.
1701 (call_ends_block_p): Don't call identify_call_return_value here.
1703 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1705 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1706 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1708 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1710 * pa.c (move_operand): Accept code to load the address of a
1711 symbol out of the DLT as a valid move operand.
1712 (print_operand, case 'A'): New to handle generating a DLT
1713 reference for a LO_SUM expression.
1714 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1715 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1717 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1719 * README, cpp.texi, gcc.texi, version.c: Update version number to
1721 * cpp.1, gcov.1, gcc.1: Regenerate.
1723 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1725 * cppfiles.c (stack_include_file): Generate dependencies
1726 here, and manage include_count here too.
1727 (PRINT_THIS_DEP): Delete.
1728 (_cpp_execute_include): Do not generate dependencies here,
1729 apart from the case of a missing header. Do not manage
1731 (_cpp_read_file): Leave dependency generation to
1734 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1736 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1737 target_cpu_default. Remove dead assignment to
1740 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1742 * regclass.c (contains_reg_of_mode): Make global.
1743 (init_reg_sets): Remove contains_reg_of_mode; take into account
1744 CLASS_MAX_NREGS when looking for the proper mode.
1745 (dump_regclass): Dump only classes considered for the pseudo.
1746 (regclass): Use contains_reg_of_mode.
1748 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1750 * gcc.c (do_spec_1): 'n' for printing notices.
1751 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1753 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1755 * reg-stack.c (next_flags_user): Use current_block->end
1756 (swap_rtx_condition): Look for next user if flags don't die;
1757 give up on CALL_INSNs; use current_block->end.
1759 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1761 * sibcall.c (call_ends_block_p): New function.
1762 (optimize_sibling_and_tail_recursive_call): Use it.
1764 2001-02-18 Kazu Hirata <kazu@hxi.com>
1766 * config/h8300/h8300.md: Update copyright.
1767 (andsi3): Do not output an extra newline character.
1769 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1771 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1772 FNDECL may be unused.
1774 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1775 follow jumps after first run.
1776 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1777 it doesn't change any jumps.
1779 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1781 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1782 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1783 (mostlyclean): Corresponding changes.
1784 * rtlanal.c (hard-reg-set.h): Include.
1785 (rtx_unstable_p): Do not treat the argument pointer specially
1786 if it is not a fixed register.
1787 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1789 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1791 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1792 against last real insn in basic block.
1793 Rework to avoid gotos.
1795 * Makefile.in (gcse.o): Now includes ggc.h.
1796 * gcse.c: Include ggc.h.
1797 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1798 (try_replace_reg): Remove warning of uninitialize variable.
1799 (process_insert_insn): Call invalid_insn_p to validate insn.
1800 * recog.c (insn_invalid_p): Now global.
1801 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1802 * recog.h (insn_invalid_p): New declaration.
1804 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1806 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1807 assignments from FP constants since 'Y' output code can't handle it.
1808 (eligible_for_sibcall_delay): Likewise.
1810 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1811 Call fancy_abort directly, passing args.
1812 (print_rtl_and_abort): Now a macro, like fancy_abort.
1814 * final.c (output_operand_lossage): Use internal_error, not error.
1816 2001-02-18 Shane Nay <shane@agendacomputing.com>
1818 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1819 structure shift insns.
1821 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1823 * invoke.texi (-fsquangle): Remove documentation.
1824 (-fname-mangling-version): Likewise.
1826 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1828 * optabs.c (expand_abs): Remove reference to
1829 HAVE_contitional_arithmetic.
1830 * combine.c (simplify_set): Likewise.
1832 2001-02-18 Richard Henderson <rth@redhat.com>
1834 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1837 2001-02-18 Richard Henderson <rth@redhat.com>
1839 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1841 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1843 * reload1.c (reload_cse_simplify_set): Fix typo.
1845 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1847 * diagnostic.c (_fatal_insn): Decrement errorcount.
1849 * invoke.texi (-I): Add note avoiding use for system header files.
1851 * rtl.h (add_clobbers): Remove duplicate declaration.
1852 * recog.h (added_clobbers_hard_reg_p): New declaration.
1853 * genemit.c (struct clobber_pat): New field has_hard_reg.
1854 (gen_insn): Record if added clobbers clobber hard reg.
1855 (gen_split): Avoid unused warning if number of operands is 0.
1856 (output_added_clobbers_hard_reg_p): New function.
1859 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1861 * pa.c (hppa_expand_prologue): Simplify code storing return
1862 pointer. For large (>=8k) frames with a post_store, adjust stack
1863 pointer by 8k-64 first rather than by 64. When testing with
1864 VAL_14_BITS_P, always use the actual value rather than the value
1865 negated. Add blockage to prevent scheduling of spills before
1866 stack frame has been created.
1867 (hppa_expand_epilogue): Simplify code loading return pointer.
1868 Allow a slightly larger range for merge_sp_adjust_with_load case.
1869 When testing with VAL_14_BITS_P, always use the actual value.
1871 * pa.c (pa_adjust_insn_length): Check that block move
1872 pattern is a set before looking at operands.
1874 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1876 * fold-const.c (fold_binary_op_with_conditional_arg): New
1877 function, split out from ...
1879 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1880 conditional arms that throw exceptions.
1882 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1885 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1887 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1888 define HAVE_DECL_* to 1 to mask potential backup declarations.
1889 * configure: Regenerated.
1891 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1893 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1895 2001-02-17 Richard Henderson <rth@redhat.com>
1897 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1898 when replacing a memory load with a register.
1900 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1901 Jan Hubicka <jh@suse.cz>
1903 * recog.c (validate_replace_src_1): New.
1904 (validate_replace_src_data): Likewise.
1905 (validate_replace_src): Use note_uses.
1906 * rtl.h (note_uses): Declare.
1907 * rtlanal.c (note_uses): New.
1909 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1911 * reg-stack.c (stack_def): Make field reg unsigned.
1912 (remove_regno_note): Unsignetize parameter.
1914 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1916 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1917 shladd_operand() call.
1919 2001-02-16 Bruce Korb <bkorb@gnu.org>
1920 Rodney Brown <RodneyBrown@mynd.com>
1922 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1923 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1924 machine restrictions
1925 * fixinc/fixincl.x: regen
1927 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1929 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1931 (hash_scan_insn): Clean up calls to hash_scan_set.
1932 (compute_kill_rd): REGNO now unsigned.
1933 (try_replace_reg): Rework to use simplify_replace_rtx.
1934 (cprop_jump, cprop_cc0_jump): Likewise.
1935 (cprop_insn): Call find_reg_equal_equiv_note.
1936 Reflect changes to cprop_jump and cprop_cc0_jump.
1938 * recog.c (validate_replace_src): Replace in operands of
1939 ZERO_EXTRACT in SET_DEST.
1941 * cse.c (new_label_ref): New variable.
1942 (insert): Set it instead of recorded_label_ref.
1943 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1944 CODE_LABEL for this function, and not already in REG_LABEL note.
1946 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1948 * resource.c (mark_referenced_resources): Fix typo in introductory
1950 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1953 2001-02-16 Jason Merrill <jason@redhat.com>
1955 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1957 (gen_subprogram_die): Don't abort on seeing a second definition if
1958 the previous one was abstract. Don't replace an abstract instance
1959 in the lookup table.
1961 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1962 gen_abstract_function.
1963 * dwarf2out.h: Declare it.
1964 * toplev.c (note_outlining_of_inline_function): New fn.
1965 * toplev.h: Declare it.
1966 * integrate.c (output_inline_function): Call it.
1967 * c-decl.c (duplicate_decls): Call it when redefining an extern
1968 inline. Don't inline the new defn.
1970 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1972 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1974 * .gdbinit: Rename to gdbinit.in.
1975 * gdbinit.in: New file,
1976 * configure.in: Generate .gdbinit from gdbinit.in.
1977 * configure: Regenerated.
1978 * Makefile.in (distclean): Always remove .gdbinit.
1980 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1982 * objc/objc-act.c (start_class): Register implemented_classes with
1985 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1987 * cppfiles.c (_cpp_make_system_header): Generate a file
1990 2001-02-15 Jim Meyering <meyering@lucent.com>
1992 * Makefile.in (install-common): Don't depend on installdirs here.
1993 Instead, make each of the lang.install-common targets (e.g.,
1994 c++.install-common in cp/Make-lang.in) depend on it.
1995 (install-driver): Depend on installdirs.
1997 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1999 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2001 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2004 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2006 * invoke.texi (--param): Document.
2008 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2010 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2012 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2014 * i386.md (extendsfdf2_2): Fix constraints.
2016 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2018 * i386.md (fop_df_3 splitter): Fix operand number.
2020 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2022 * invoke.texi (-mreg-alloc): Nuke.
2023 * i386.c (ix86_reg_alloc_order, regs_allocated,
2024 order_regs_for_local_alloc): Nuke.
2025 (override_options): Kill reg_alloc code.
2026 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2027 (REG_ALLOC_ORDER): SSE goes before I387.
2028 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2029 (ix86_reg_alloc_order): Likewise.
2030 * i386-protos.h (ix86_reg_alloc_order): Kill.
2032 2001-02-14 Richard Henderson <rth@redhat.com>
2034 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2036 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2038 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2040 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2042 * i386-protos.h (ix86_memory_move_cost): Move offline.
2043 * i386.c (ix86_register_move_cost): Compute properly cost of
2044 SSE, MMX and i387 instructions.
2045 (*_cost): Add costs of SSE/MMX moves.
2046 (ix86_memory_move_cost): Move offline from ....; Likewise.
2047 * i386.h (MEMORY_MOVE_COST): .... here;
2048 (struct processor costs): Add new fields to represent costs
2051 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2053 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2054 move_cost together with Matt Kraai's fix.
2056 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2058 * Makefile.in (OBJS): Add params.o.
2060 2001-02-14 Richard Henderson <rth@redhat.com>
2061 DJ Delorie <dj@redhat.com>
2063 * jump.c (jump_optimize_1): When we delete a conditional jump
2064 preceeding a non-conditional jump to effectively the same place,
2065 make sure that the combined jump skips any clobber insns between
2068 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2070 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2072 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2074 * Makefile.in (toplev.o): Depend on params.h.
2075 (intergate.o): Likewise.
2076 (params.o): New target.
2077 * flags.h (inline_max_insns): Remove.
2078 * integrate.c: Include params.h.
2079 Use MAX_INLINE_INSNS instead of inline_max_insns.
2080 * params.c: New file.
2081 * params.h: Likewise.
2082 * params.def: Likewise.
2083 * toplev.c: Include params.h.
2084 (lang_independent_params): New variable.
2085 (decode_f_option): Use the param machinery instead of setting
2087 (independent_decode_option): Handle "--param name=value".
2088 (main): Register language-independent parameters.
2090 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2092 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2094 2001-02-14 Richard Henderson <rth@redhat.com>
2096 * regclass.c (init_reg_sets_1): Revert last two changes.
2098 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2100 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2101 (variable_size): Call put_pending_size.
2102 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2103 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2104 sizes list, put newly created SAVE_EXPR there as well.
2106 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2108 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2109 (errata_find_address_regs): load_group has only 2 entries.
2110 (errata_emit_nops): Likewise. shladd is not problematic.
2111 Clear last_group if nop was emitted.
2112 (fixup_errata): load_group has only 2 entries.
2115 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2117 * c-lex.c (lex_number): Only warn traditionally for U suffix
2118 outside system macros.
2119 * cppexp.c (parse_number): Similarly.
2120 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2121 * cppmacro.c (struct cpp_macro): New member node.
2122 (parse_args): Only warn about missing rest args if not
2124 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2125 (cpp_sys_objmacro_p): New.
2126 (_cpp_create_definition): Store the node with the macro defn.
2127 Remember if the macro is defined in a system header.
2129 2001-02-13 DJ Delorie <dj@redhat.com>
2131 * configure.in (check_languages): determine languages to check
2132 * Makefile.in (check-c++): alias for check-g++
2133 (check-f77): alias for check-g77
2134 (CHECK_TARGETS): depend on configured languages
2136 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2138 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2139 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2140 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2141 (sqrtextendsfdf2): Disable for SSE2.
2143 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2145 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2146 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2147 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2148 (sqrtextendsfdf2): Disable for SSE2.
2150 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2152 * i386.md (movsfcc_1): Support integer cmove instruction.
2153 (movdfcc_1): Likewise; new splitter.
2155 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2157 * i386.c (output_fp_compare): Support SSE.
2158 (prepare_fp_compare_args): SSE comparisons always support memory.
2159 * i386.h (TARGET_CMOVE): SSE imply cmove.
2160 * i386.md (cmp?f2): Enable for SSE too.
2161 (cmpfp_i*): Support SSE.
2163 (cmpfp_i_sse_only): New.
2164 (s*, b* fp expanters): Enable for SSE too.
2165 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2168 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2170 * regclass.c (init_reg_sets_1): Silence warning.
2172 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2174 * i386.md (sqrt?f2): Change to expander.
2175 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2177 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2179 * rtlanal.c (find_reg_equal_equiv_note): New function.
2180 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2181 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2182 * rtl.h: Add declarations for above functions.
2184 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2186 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2188 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2189 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2190 * flow.c (mark_regs_live_at_end): Likewise.
2191 (calculate_global_regs_live): Likewise.
2192 * gcse.c (compute_hash_table): Likewise.
2193 (compute_kill_rd): Likewise.
2194 * resource.c (mark_target_live_regs): Likewise.
2195 * rtl.h (INVALID_REGNUM): New macro.
2197 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2199 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2201 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2203 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2206 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2208 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2210 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2211 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2212 (fop_sf_1_sse, fop_df_1_sse): New patterns
2213 (fop_*): Disable float_extend and float patterns for SSE compilation.
2214 * i386.c (output_387_binary_op): Support SSE.
2216 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2218 * i386.md (dummy_extendsfdf2): Support SSE2
2219 (extendsfdf2): Enable if 80387 or SSE2.
2220 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2221 and no MIX_I387_SSE2
2222 (extendsfdf2_1_sse_only): New pattern.
2223 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2225 (truncdfsf2_1): Support SSE.
2226 (truncdfsf2_2): Support SSE.
2227 (truncdfsf2_2_1_sse): New pattern.
2228 (fixtruncsfsi2): Always use SSE if available.
2229 (fix_truncsfsi_sse): New pattern.
2230 (fix_truncdfsi_sse): New pattern.
2231 (floatsis?f2): Support SSE.
2232 (floatsidf2_i387): New pattern.
2233 (floatsidf2_sse): Likewise.
2235 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2237 * configure.in: Use "have_gnat" variable, not "gnat".
2238 * configure: Regenerated.
2240 * config/sparc/sparc.c (function_value): Treat all non-record
2241 aggregate types like used to treat UNION_TYPE.
2243 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2245 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2246 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2248 (MASK_MIX_SSE_I387): New.
2249 (TARGET_SSE): SSE2 imply SSE.
2250 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2251 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2252 (enum reg_class): Add new classes.
2253 (REG_CLASS_NAMES): Likewise.
2254 (REG_CLASS_CONTENTS): Likewise.
2255 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2256 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2257 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2258 (CLASS_MAX_NREGS): Use new macros.
2259 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2260 * i386.md (pushsf, movsf): Support SSE.
2261 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2262 splitters to use ANY_FP_REGNO_P.
2263 (movdf_nointeger, movdf_integer): Likewise.
2265 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2267 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2268 (try_combine): Use it.
2270 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2272 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2273 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2274 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2275 (REGISTER_MOVE_COST): Likewise.
2276 * i386-protos.h (ix86_secondary_memory_needed,
2277 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2278 * i386.c (ix86_secondary_memory_needed,
2279 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2281 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2283 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2284 (HARD_REGNO_MODE_OK): Move offline to ....
2285 * i386.c (ix86_hard_regno_mode_ok) ... here;
2286 refuse all incorrect modes.
2287 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2289 2001-02-13 Richard Henderson <rth@redhat.com>
2291 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2292 entire operator; replicate that and match_dup the operands.
2293 (cmp_ccx_arith_op_set): Likewise.
2294 (cmp_cc_arith_op_not_set): Likewise.
2295 (cmp_ccx_arith_op_not_set): Likewise.
2297 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2299 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2301 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2303 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2304 (TARGET_NO_BITFIELD_WORD): New macro.
2305 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2306 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2308 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2310 * cselib.c: New file, from simplify-rtx.c.
2311 * simplify-rtx.c: Remove cselib parts.
2312 * Makefile.in: Add cselib.o.
2314 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2316 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2317 (setup_incoming_varargs): Remove warning.
2319 * config/rs6000/rs6000.c (validate_condition_mode): When
2320 flag_fast_math, allow floating-point conditionals to be reversed.
2321 (rs6000_generate_compare): When flag_fast_math, don't generate
2322 cror operations for FP conditionals.
2324 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2326 (ASM_SPEC): Likewise.
2327 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2328 (CC1_SPEC): Likewise.
2329 (LINK_TARGET_SPEC): Likewise.
2330 (CPP_ENDIAN_SPEC): Likewise.
2331 * Makefile.in (check-consistency): New target.
2333 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2335 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2336 "return type defaults" warning for functions with return type
2338 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2339 function declarations by default rather than only when pedantic.
2341 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2343 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2346 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2348 * extend.texi (Deprecated): Deprecate new initializer lists.
2350 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2352 * mkdeps.c (deps_add_default_target): Robustify. Add
2353 basename component only.
2354 * cpp.texi (-M): Describe how default target is generated.
2355 * invoke.texi (-M): Likewise.
2357 2001-02-12 Kazu Hirata <kazu@hxi.com>
2359 * toplev.c (push_float_handler): Remove.
2360 (pop_float_handler): Remove.
2361 * toplev.h: Remove prototypes for the above functions.
2363 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2365 * c-common.c (constant_fits_type_p): New function.
2366 (convert_and_check): Use it.
2368 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2370 * Makefile.in (GXX_ABI_FLAG): Don't define.
2371 * configure.in (--enable-new-gxx-abi): Remove option.
2372 * config.in: Regenerated.
2373 * configure: Likewise.
2375 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2377 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2379 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2380 regular basic block, and arrange for all edges into it to switch
2383 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2385 * Makefile.in (distclean): Do not remove .gdbinit.
2387 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2389 * Makefile.in (gcc.o): Fix typos.
2390 (protize.o): Likewise.
2391 (unprotoize.o): Likewise.
2393 2001-02-11 Richard Henderson <rth@redhat.com>
2395 * tree.c (build1): Check for null operand in last change.
2397 2001-02-11 Richard Henderson <rth@redhat.com>
2399 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2400 (fold): Don't assume a constant isn't foldable.
2401 * tree.c (build): Set TREE_CONSTANT for an expression with no
2402 side-effects and constant operands.
2405 2001-02-10 Richard Henderson <rth@redhat.com>
2407 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2409 2001-02-10 Anthony Green <green@redhat.com>
2411 * cpp.texi (Standard Predefined): Add documentation for
2414 * c-common.c (combine_strings): Improve warning message.
2416 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2418 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2420 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2422 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2424 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2427 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2429 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2432 2001-02-09 Nick Clifton <nickc@redhat.com>
2434 * config/arm/arm.md: Change output contraint on post inc
2435 load/store multiple patterns to be a read/write contraint.
2437 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2439 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2440 .o files when using the -M options.
2442 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2443 David Edelsohn <edelsohn@gnu.org>
2445 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2446 handle DImode constants. Use one TOC entry for SImode and smaller
2447 constants, aligned properly.
2449 2001-02-08 Jason Merrill <jason@redhat.com>
2451 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2452 about the SP adjustment for saving the static chain pointer.
2453 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2454 offset when setting a temporary CFA register.
2456 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2458 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2459 powerpc-*-chorusos* .
2460 * config/rs6000/chorus.h : New file.
2461 * config/i386/chorus.h : New file.
2462 * config/sparc/chorus.h : New file.
2463 * config/sparc/t-chorus-elf : New file.
2465 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2467 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2468 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2469 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2470 (__WCHAR_TYPE__): Correct macro name.
2472 2001-02-08 Richard Henderson <rth@redhat.com>
2474 * config/i386/i386.c (ix86_frame_pointer_required): New.
2475 (ix86_setup_frame_addresses): New.
2476 (struct machine_funciton): Add accesses_prev_frame.
2477 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2478 ix86_frame_pointer_required.
2479 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2480 (SETUP_FRAME_ADDRESSES): New.
2481 * config/i386/i386-protos.h: Update.
2482 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2483 from FRAME_POINTER_REQUIRED.
2484 * config/i386/svr3gas.h: Likewise.
2485 * config/i386/sysv3.h: Likewise.
2486 * config/i386/v3gas.h: Likewise.
2488 2001-02-08 Richard Henderson <rth@redhat.com>
2490 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2491 calculation of the number of integer registers required.
2492 (function_arg_record_value): Likewise.
2494 2001-02-08 Jason Merrill <jason@redhat.com>
2496 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2497 two. Print file and line with "confused" message.
2499 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2501 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2503 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2505 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2507 * final.c (cleanup_subreg_operands): The address of a MEM can
2510 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2513 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2515 * gcc.texi (Incompatibilities): Update documentation of
2516 preprocessing numbers.
2518 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2520 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2522 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2524 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2526 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2527 * gcc.c (struct compiler): Add cpp_spec field.
2528 (input_file_compiler): New variable.
2529 (do_spec_1): Allow a particular compiler to handle `%C'
2531 (main): Store the current compiler in input_file_compiler.
2532 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2534 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2536 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2537 * cppinit.c (cpp_create_reader): Initialize them.
2538 (append_include_chain): cxx_aware arg might be unused.
2539 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2540 keywords and give them their phase 7 meaning. Pedwarn about
2541 this unless '__bool_true_false_are_defined' is defined.
2543 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2545 * lcm.c (optimize_mode_switching): Emit mode_set before the
2546 JUMP_INSN of an abnormal edge.
2548 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2550 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2551 a scheduling barrier at the end.
2553 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2555 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2557 * config/sh/sh.md (reload_outsf): Removed.
2558 (movsf_ie): Introduce constraints for FPUL loads and stores.
2559 (reload_insf): Broaden the output constraint.
2561 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2563 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2564 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2566 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2568 * final.c: Revert my previous changes.
2569 * output.h: Make profile_label_no extern.
2570 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2571 for generating label.
2573 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2575 * config/i386/djgpp.h: Add comments about standard paths.
2576 (MD_EXEC_PREFIX): Undefine before defining.
2577 (MD_STARTFILE_PREFIX): New.
2579 2001-01-30 Bruce Korb <bkorb@gnu.org>
2581 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2582 (load_file): do not rely on load_file_data() to close file pointer
2583 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2584 fixinc/inclhack.def(irix_limits_const): add test_text
2586 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2588 * cppexp.c (parse_defined): Improve diagnostics for invalid
2591 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2593 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2595 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2597 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2598 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2599 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2600 (rs6000_output_symbol_ref): New function.
2601 (output_toc): Use VTABLE_NAME_P.
2603 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2605 * print-tree.c (print_node, case PARM_DECL):
2606 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2608 * stor-layout.c (reference_types_internal): New variable.
2609 (internal_reference_types): New function.
2610 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2611 * tree.h (internal_reference_types): New declaration.
2613 * cse.c (find_best_addr): Fix typo in computing cost.
2615 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2617 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2618 and this is the sum of a pointer and a constant, we know the result
2620 (num_sign_bit_copies, case PLUS): Likewise.
2621 * explow.c (convert_memory_address): Remove opposite SUBREG.
2622 * function.c (instantiate_new_reg): New function (from common code).
2623 (instantiate_virtual_regs_1): Call it.
2624 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2625 if pointers sign- or zero-extend.
2626 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2627 If pointers extend unsigned, use inside of SUBREG.
2628 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2630 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2632 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2633 subdir of gcc_gxx_include_dir.
2634 (gcc_gxx_target_include_dir): Remove.
2636 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2638 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2639 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2640 a high-level description.
2642 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2644 * final.c: Move the declaration of profile_label_no to ...
2645 * output.h: ... here.
2646 * function.c (expand_function_start): Call PROFILE_HOOK.
2647 * config/rs6000/aix.h: Define PROFILE_HOOK.
2648 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2649 * config/rs6000/rs6000.c (output_profile_hook): Define.
2650 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2651 output_profile_hook.
2652 tm.texi : Explain new macro PROFILE_HOOK.
2654 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2656 * extend.texi (Extended Asm): Do not say that semicolon is always
2657 a valid line-breaking character for GNU assemblers. Use
2658 newline-tab as the most commonly supported syntax. Use
2659 newline-tab rather than semicolon in multi-insn examples.
2661 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2663 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2665 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2666 David Edelsohn <edelsohn@gnu.org>
2668 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2669 code for AIX, even without flag_pic.
2671 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2673 * c-typeck.c (common_type): push and pop binding level around
2674 calling common_type on function parameters.
2676 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2678 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2680 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2682 * config/mips/mips.c (override_options): Fix typo in last change.
2683 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2684 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2686 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2688 * invoke.texi (-fdump-class-layout): Document.
2689 (-fdump-translation-unit): Use `=' as filename separator.
2691 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2693 * Makefile.in (s-mlib): Don't build multilibs if
2695 (DRIVER_DEFINES): Adjust accordingly.
2697 (protoize.o): Likewise.
2698 (unprotoize.o): Likewise.
2699 * configure.in: Recognize --enable-multilib.
2701 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2703 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2705 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2706 * configure.in: Remove --enable-libstdcxx_v3 support.
2707 * configure: Regenerated.
2709 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2711 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2712 Call abort instead of fatal.
2713 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2714 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2715 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2716 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2717 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2718 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2720 * diagnostic.h (set_internal_error_function): Renamed.
2721 * toplev.h (internal_error): Renamed from fatal.
2722 (pfatal_with_name): Deleted.
2723 (fatal_io_error): Now has printf-style arguments.
2724 * diagnostic.c (pfatal_with_name): Deleted.
2725 (fatal_io_error): Rework to have args in printf-style.
2726 (set_internal_error_function): Renamed from set_fatal_function.
2727 (internal_error): Renamed from fatal.
2728 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2729 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2730 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2731 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2732 * flow.c (verify_flow_info): Likewise.
2733 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2734 * config/mips/mips.c (save_restore_insns): Likewise.
2736 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2737 * flow.c (verify_flow_info): Likewise.
2738 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2739 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2740 (avr_normalize_condition): Likewise.
2741 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2742 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2743 (limit_reload_class, double_reg_to_memory): Likewise.
2744 (print_operand_address, emit_1600_code_shift): Likewise.
2745 (gen_tst_reg, gen_compare_reg): Likewise.
2746 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2747 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2749 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2751 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2752 * objc/objc-act.c (build_ivar_chain): Likewise.
2753 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2755 * graph.c (clean_graph_dump_file): Likewise.
2756 * profile.c (init_branch_prob): Likewise.
2757 * objc/objc-act.c (objc_init): Likewise.
2759 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2760 * config/avr/avr.c (avr_override_options): Likewise.
2761 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2762 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2763 * config/h8300/h8300.c (h8300_init_once): Likewise.
2764 * config/mips/mips.c (override_options): Likewise.
2765 * config/i386/i386.c (override_options): Likewise, rework.
2766 * config/m68k/m68k.c (override_options): Likewise.
2768 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2770 * config/mips/mips.c (print_operand): Likewise.
2771 * hash.c (hash_allocate): Don't check for failure returns from
2772 obstack functions that can't fail.
2773 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2774 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2775 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2776 (get_object_reference): Likewise.
2778 2001-02-04 Nick Clifton <nickc@redhat.com>
2780 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2781 StrongARM1110, 10TDMI, and 1020T.
2783 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2785 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2787 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2789 * config/sh/sh.md (movdf load split): Pass register number to
2790 FP_OR_XD_REGISTER_P.
2792 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2794 * cppinit.c (BC): New macro.
2795 (builtin_array): Add __GXX_WEAK__.
2796 * cpplib.h (builtin_type): Add BT_WEAK.
2797 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2798 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2799 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2801 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2803 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2805 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2807 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2808 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2810 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2812 * cpphash.h: Rename ALIGN _ALIGN.
2813 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2815 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2817 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2818 compilation environment.
2819 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2820 control over location of cygwin includes and libs.
2822 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2824 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2826 2001-02-02 lars brinkhoff <lars@nocrew.org>
2828 * md.texi (Standard Names): remove reference to spur.md.
2830 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2832 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2833 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2834 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2835 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2836 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2838 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2840 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2841 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2842 number before reload.
2843 (c4x_adjust_cost): Return zero before reload.
2844 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2845 split before reload.
2847 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2849 * c4x.c (c4x_hard_regno_rename_ok): New.
2850 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2851 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2853 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2855 * diagnostic.h: Add missing "extern" in all declarations.
2857 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2859 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2860 as for gcc_gxx_include_dir.
2862 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2864 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2866 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2868 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2869 label before alignment to be used as the braf base address.
2870 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2872 (casesi_jump_2): Require at least TARGET_SH2.
2874 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2875 truncation to 32-bit doubles on -m3e and -m4-single-only.
2877 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2879 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2880 the default when building a shared object.
2881 (init_spec): Use it.
2882 * testsuite/lib/g++.exp: Include the directory where libgcc
2883 is located to the LD_LIBRARY_PATH list.
2884 * invoke.texi (-shared-libgcc): Document the cases in which
2885 GCC defaults to using the shared libgcc.
2887 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2889 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2890 unsigned is wide enough.
2892 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2893 (si_to_float): Likewise.
2894 (float_to_si, float_to_usi): Use BITS_PER_SI.
2896 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2898 * dwarf2out.c: Added explanation of abbreviations.
2899 (def_cfa_1): Added comments listing DWARF2 instructions.
2900 (cfa_temp_reg): Removed in favor of cfa_temp.
2901 (cfa_temp_value): Removed in favor of cfa_temp.
2902 (cfa_temp): New global variable.
2903 (dwarf2out_frame_debug_expr): Added extensive introductory
2904 comments explaining the function's transformations. Revised to
2905 use cfa_temp. Added some rtx checking. Generalize IOR case.
2906 (dwarf2out_frame_debug): Revised to use cfa_temp.
2907 (output_aranges): Cast as "unsigned" to avoid warning.
2908 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2909 explain which instructions must be marked.
2911 2001-02-01 Richard Henderson <rth@redhat.com>
2913 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2916 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2918 * config/sh/crt1.asm (main_k): Modified so that start calls
2919 ___setup_argv_and_call_main.
2921 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2923 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2924 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2925 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2926 * cppmacro.c (builtin_macro): Set builtin flags here.
2927 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2928 (replace_args): Clarify intent.
2929 (cpp_get_token): Macro expansion tokens get the saved flags.
2931 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2934 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2936 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2939 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2941 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2942 returns Pmode pseudo, but we need ptr_mode.
2943 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2944 Remove bogus conversions; use HOST_WIDE_INT for size.
2945 Don't use TARGET if wrong mode.
2947 * config/i386/i386.c (ix86_compute_frame_size): Allow
2948 stack_alignment_needed to be non-default even if size is zero.
2950 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2952 * (hppa_init_pic_save): Emit the pic offset table
2953 reg save after last_parm_insn.
2954 * pa.c (hppa_init_pic_save): New function.
2955 * pa.h (hppa_init_pic_save): Declare.
2956 * pa.md (call, call_value, sibcall, sibcall_value): Use
2957 the above instead of duplicated code.
2959 * pa.c (hppa_encode_label): Correct size of alloca buffer
2960 so we don't overrun it. Correct leading `*' case.
2961 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2962 need to handle `*@'.
2963 (FUNCTION_NAME_P): Likewise.
2965 2001-01-31 Richard Henderson <rth@redhat.com>
2967 * config.gcc (alpha-osf5): Use float-i128.h.
2969 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2970 * config/float-i32.h: Likewise.
2971 * config/float-i64.h: Likewise.
2972 * config/float-sh.h: Likewise.
2973 * config/float-sparc.h: Likewise.
2975 2001-01-31 DJ Delorie <dj@redhat.com>
2977 * expmed.c (extract_bit_field): allow non-integral modes if we
2978 want to extract a whole register from itself.
2980 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2982 * c-typeck.c (set_init_index): If first is equal to last, assume as
2983 if it was not a range at all.
2985 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2987 * config/fp-bit.c: Include tm.h.
2988 (float_to_si): Don't assume SImode is 32-bits wide.
2989 (float_to_usi): Likewise.
2991 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2993 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2995 (typename): Call pending_xref_error after parsing typed_typespecs.
2996 * c-decl.c (lookup_tag): Give error immediately rather than
2997 leaving it pending if the tag of the wrong type is in the same
2999 (xref_tag): Don't pedwarn for forward declarations of enum types
3001 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3004 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3006 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3008 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3010 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3011 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3013 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3015 * cpphash.h (struct cpp_reader): New saved_flags.
3016 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3017 to avoid a paste after a pasted token.
3019 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3021 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3022 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3023 Wtype_MIN instead of LONG_MIN.
3025 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3027 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3029 * fixinc/fixincl.x: Regenerated.
3030 * fixinc/inclhack.def (irix_limits_const): New definition to
3031 convert "const" to "__const" in limits.h.
3033 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3035 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3037 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3039 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3040 when register dies in the insn.
3042 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3044 * diagnostic.c (fatal): Fix word wrap.
3046 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3048 * combine.c (try_combine): Fix SUBREG setting for
3049 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3051 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3053 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3056 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3058 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3060 * toplev.c (decode_W_option): Update warn_larger_than
3061 unconditionally for each processed switch.
3063 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3065 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3067 (hppa_expand_prologue): Delete code to save pic offset table register
3068 in the function prologue.
3069 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3070 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3071 table register at the beginning of the function after the prologue.
3073 2001-01-29 lars brinkhoff <lars@nocrew.org>
3075 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3077 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3078 Jeff Law <law@redhat.com>
3080 * pa.md (return): Revise comment for trivial return.
3081 (return_internal): Non-trivial return pattern for non-PIC code.
3082 (return_internal_pic): Non-trivial return pattern for PIC code.
3083 It uses the PIC register to ensure it is restored after
3085 (epilogue): Generate appropriate return for PIC and non-PIC code.
3087 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3089 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3091 2001-01-29 DJ Delorie <dj@redhat.com>
3093 * combine.c (if_then_else_cond): Pass the correct mode to
3094 operand_subword() for constants.
3096 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3098 * config/i386/cygwin.h: Add w32api to include search. Search different
3099 directories in a cross-build environment.
3101 2001-11-29 Tim Josling <tej@melbpc.org.au>
3103 * tree.h (TYPE_STUB_DECL): Add documentation.
3105 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3107 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3108 (sdbout_field_types): Likwise. Fix use of host_integerp.
3110 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3112 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3115 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3117 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3118 to use flag_gnu_linker.
3120 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3122 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3123 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3125 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3127 * tree.c, tree.h (build_parse_node): Remove; was identical to
3129 * c-lang.c (start_cdtor), objc/objc-act.c
3130 (build_module_descriptor): Use build_nt instead of
3133 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3135 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3136 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3137 not have any upper bits set.
3139 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3141 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3143 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3145 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3147 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3149 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3150 (integer_minus_one_node): Define.
3152 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3154 * Makefile.in (bootstrap2-lean): Fix typo.
3156 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3158 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3159 : Don't set fe_value.
3160 * cpplib.h (AVOID_LPASTE): New flag.
3161 (struct cpp_hashnode): Remove fe_value.
3162 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3163 * cppmacro.c (builtin_macro): Don't set flags here.
3164 (replace_args): Set AVOID_LPASTE flag on first token of an
3165 argument, and the token following it.
3166 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3167 macro expansion, and on the token following it. Do it for
3169 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3171 2001-01-27 Richard Henderson <rth@redhat.com>
3173 * config/alpha/t-ieee: Remove multilibbing.
3174 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3176 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3178 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3180 * Makefile.in: Remove all dependencies on defaults.h.
3181 * builtins.c: Don't include defaults.h.
3182 * c-common.c: Likewise.
3183 * c-decl.c: Likewise.
3184 * c-pragma.c: Likewise.
3185 * c-typeck.c: Likewise.
3186 * combine.c: Likewise.
3188 * frame-ia64.c: Likewise.
3189 * cppexp.c: Likewise.
3190 * crtstuff.c: Likewise.
3191 * dbxout.c: Likewise.
3192 * dwarf2out.c: Likewise.
3193 * dwarfout.c: Likewise.
3194 * emit-rtl.c: Likewise.
3195 * except.c: Likewise.
3197 * final.c: Likewise.
3198 * frame-dwarf2.c: Likewise.
3199 * libgcc2.c: Likewise.
3200 * optabs.c: Likewise.
3201 * profile.c: Likewise.
3202 * sdbout.c: Likewise.
3203 * toplev.c: Likewise.
3204 * tradcif.y: Likewise.
3206 * varasm.c: Likewise.
3208 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3210 * builtins.c (expand_builtin_fputs): Use size_one_node when
3211 transforming into fwrite.
3213 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3215 * extend.texi (Attribute Syntax): New section.
3217 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3219 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3220 they didn't need fixing.
3222 2001-01-27 Janis Johnson <janis@us.ibm.com>
3224 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3226 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3227 to remove macro definitions that are duplicated from elfos.h.
3229 2001-01-27 Richard Henderson <rth@redhat.com>
3231 * config/i386/sco5gas.h: Move ...
3232 * config/usegas.h: ... here.
3233 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3235 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3237 * c-typeck.c (struct constructor_stack): Add range_stack member.
3238 (really_start_incremental_init): Clear it.
3239 (push_init_level): Save constructor_range_stack and clear it if
3240 pushing explicit braces.
3241 (pop_init_level): abort if constructor_range_stack is non-zero at
3242 explicit closing brace. Restore saved constructor_range_stack if
3245 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3247 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3248 into register was forced into memory.
3250 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3252 * Makefile.in: Remove uses of + before $(MAKE).
3254 2001-01-26 Richard Henderson <rth@redhat.com>
3256 * stmt.c (cost_table): Remove.
3257 (COST_TABLE, cost_table_initialized): New.
3258 (estimate_case_costs): Use the later instead of the former.
3259 (balance_case_nodes): Likewise.
3261 2001-01-26 Richard Henderson <rth@redhat.com>
3263 * alias.c (objects_must_conflict_p): Read-only slots may not
3264 conflict despite having the same type.
3266 2001-01-27 Michael Hayes <mhayes@redhat.com>
3268 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3270 (check_ext_dependant_givs): Initialise u_start_val and
3272 (load_mems): Make last_max_reg unsigned.
3273 (try_swap_copy_prop): Use INSN_P and initialise set.
3275 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3277 * README.AVR : Removed.
3279 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3281 * pa-64.h (text_section): Remove declaration.
3283 * pa.md (return_internal): Remove mode on PIC register use.
3285 2001-01-25 lars brinkhoff <lars@nocrew.org>
3287 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3288 ASM_CLOSE_PAREN): fix typos.
3290 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3292 * acconfig.h: Define `const' to the empty string if neither
3293 __STDC__ nor __cplusplus is defined.
3294 * config.in: Regenerated.
3296 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3298 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3299 * collect2.c (main): Delete importf. Add ".obj" file extension.
3300 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3301 (aix_std_libs): Add additional AIX libraries to skip.
3302 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3303 * config/rs6000/aix51.h: New file.
3305 2001-01-25 Michael Hayes <mhayes@redhat.com>
3307 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3308 (loop_insn_emit_before): No longer static.
3309 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3310 (loop_givs_rescan, load_mems): Likewise.
3311 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3312 (maybe_eliminate_biv_1):
3313 (move_movables): Replace emit_call_insn_before with
3314 loop_call_insn_hoist.
3315 * loop.h (loop_insn_emit_before): Add.
3316 * unroll.c (copy_loop_body): Replace emit_insn_before with
3317 loop_insn_emit_before.
3319 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3321 * diagnostic.c (fatal): Request preprocessed source.
3323 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3325 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3326 olddecl has argument types and newdecl has none, use the argument
3329 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3331 * dwarf2out.c (prefix_of): New function. Determine longest common
3332 prefix of the two arguments. The units are whole path components.
3333 (output_file_names): When adding a new directory find the one entry
3334 with the longest common prefix already in the list. Artificially
3335 generate entry if there is none for this prefix.
3336 Fix test to check whether the zeroth directory entry is used.
3338 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3340 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3341 Changed all callers. Take it into account when deciding if a
3342 previously loaded value matches.
3344 2001-01-24 Richard Henderson <rth@redhat.com>
3346 * reload.c (find_reloads_subreg_address): Fail the substitution
3347 if the resulting address is insufficiently aligned.
3349 2001-01-24 DJ Delorie <dj@redhat.com>
3351 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3352 check the original operand's mode also.
3353 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3355 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3357 * c-parse.in (cast_expr): Move compound literals from here ...
3358 (primary): ... to here. Use standard terminology "compound
3359 literal" instead of "constructor expression".
3361 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3363 * gcc.1, cpp.1: Regenerate.
3365 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3367 * calls.c (emit_library_call_value_1): Memory slot for
3368 pass-by-reference argument should have the mode of the argument,
3369 not of the pointer to it.
3371 2001-01-24 Tom Tromey <tromey@redhat.com>
3373 * gcc.texi (G++ and GCC): Mention gcj manual.
3374 (Standards): Link to section of manual mentioning gcj/Java
3377 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3379 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3380 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3381 * tradcpp.c (main): Add -imacros or -include'd dependencies
3383 * cpp.texi (-M, -MM): Document -M -include behaviour.
3385 2001-01-24 Roger Collins <roger@ProProject.com>
3387 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3389 2001-01-24 Will Cohen <wcohen@redhat.com>
3391 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3392 whether registers are 32 bits or 64 bits in size.
3394 2001-01-24 Ben Elliston <bje@redhat.com>
3396 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3398 2001-01-24 Richard Henderson <rth@redhat.com>
3400 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3401 (builtin_longjmp): Use it instead of emit_indirect_jump.
3403 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3405 * bb-reorder.c (make_reorder_chain_1): Handle case where
3406 jump edge goes to the same block as the fallthru edge.
3408 2001-01-23 Jim Wilson <wilson@redhat.com>
3410 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3411 * frame.h (__ia64_personality_v1): Add prototype.
3412 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3413 prototype form. Add void * cast to first argument to personality
3415 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3416 (asctoe113): Likewise.
3417 * config/ia64/frame-ia64.c: Include eh-common.h.
3418 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3420 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3422 (itanium_split_issue): Add prototype.
3423 (gen_nop_type): Ifdef out.
3424 (find_best_packet): Initialize best_packet.
3425 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3427 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3428 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3429 (flushrs): Add explicit stop bit at end.
3430 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3433 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3435 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3437 * libgcc2.c (__terminate_func): Make variable static.
3438 (__terminate_set_func): New function to set __terminate_func.
3439 * libgcc2.h (__terminate_func_ptr): New typedef.
3440 (__terminate_set_func): New function.
3442 2001-01-23 Richard Henderson <rth@redhat.com>
3444 * flow.c (init_propagate_block_info): Don't consider unchanging
3445 memories for dead frame store elimination.
3447 2001-01-23 Richard Henderson <rth@redhat.com>
3449 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3450 * defaults.h: ... here.
3452 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3454 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3456 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3458 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3460 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3462 * rs6000.h (rs6000_return_addr): Move prototype from here...
3463 * rs6000-protos.h (rs6000_return_addr): ...to here.
3464 (rs6000_init_expanders): Delete prototype.
3466 2001-01-23 Nick Clifton <nickc@redhat.com>
3468 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3469 (Spec Files): Document %B and %j and %. and %v3 and %M and
3470 %{S*&T} spec switches.
3472 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3474 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3476 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3477 Neil Booth <neil@daikokuya.demon.co.uk>
3479 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3480 Have -Werror make pedantic warnings errors, like the
3483 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3485 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3487 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3489 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3490 * integrate.c (expand_inline_function): Initialize them.
3491 (subst_constants): If changing COMPARE so that both its arguments
3492 will be VOIDmode and the comparison mode will be lost, note
3493 compare_mode. Use the recorded compare_mode to optimize
3496 2001-01-23 Jason Merrill <jason@redhat.com>
3498 * dwarf2out.c (new_die): Use xcalloc.
3499 (output_die): Abort rather than emit a local reference to offset 0.
3501 2001-01-17 Andrew Haley <aph@redhat.com>
3503 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3504 of a saved register; return NULL instead.
3505 (copy_reg): Take a pointer to a source register rather than a
3507 (next_stack_level): Remember the address in the stack frame of all
3509 Use the saved register pointer array as the source of the CFA.
3510 (throw_helper): Rewrite. Unwind once rather than twice and keep
3511 track of saved registers as we go.
3513 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3515 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3516 * c4x.c (c4x_legitimize_reload_address): Remove.
3517 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3518 reload address for ldp(k) insn.
3520 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3522 * pa.md (return_internal): Add a USE of the PIC register to ensure
3523 it is restored after each call.
3524 (return expander): Corresponding changes.
3526 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3528 * rs6000.h (INIT_EXPANDERS): Delete.
3529 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3530 * rs6000.c (rs6000_override_options): Call *_machine_status from
3532 (rs6000_init_expanders): ...instead of here. Delete.
3533 (rs6000_mark_machine_status): New function.
3534 (rs6000_init_machine_status): Use xcalloc.
3535 (rs6000_return_addr): Generate RTX for the return address.
3536 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3537 (rs6000_stack_info): Use it.
3539 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3541 * gthr-win32.h: Include errno.h to get a declaration for
3542 EINVAL and _mingw.h if the target is mingw32.
3544 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3546 * cpp.texi: Correct typos.
3548 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3550 * explow.c (probe_stack_range): Ensure value passed to
3551 stack_check_libfunc is ptr_mode, not Pmode.
3553 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3555 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3556 case, don't use operand_subword to calculate a SUBREG that is
3559 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3561 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3563 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3564 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3565 valid. If not replace it by equivalent insns.
3567 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3569 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3570 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3571 (c4x_U_constraint, symbolic_address_operand): Likewise.
3572 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3574 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3575 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3576 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3577 anulling slot because of silicon bug.
3578 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3580 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3582 * cppexp.c (parse_charconst): Change `mask' type to agree
3585 2001-01-21 Richard Henderson <rth@redhat.com>
3587 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3588 pic_label_name in a linkonce section.
3590 2001-01-17 Philipp Thomas <pthomas@suse.de>
3592 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3594 * configure: Regenerate.
3596 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3598 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3599 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3601 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3603 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3604 If REVERSE nonzero then condition code in X must be reversed.
3605 (encode_section_info): Optimise if/else.
3606 (avr_function_value): Fix formatting.
3608 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3609 (difficult_branch): Likewise.
3610 (rvbranch): Likewise.
3611 (difficult_rvbranch): Likewise.
3613 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3615 * config/avr/libgcc.S: Fix comment.
3617 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3619 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3621 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3623 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3625 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3627 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3628 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3629 * configure, config.in: Regenerate.
3630 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3631 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3632 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3633 (doprint.o): New rule.
3635 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3637 * c-typeck.c (digest_init): Handle boolean types as scalars.
3639 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3641 * stmt.c (expand_return): Don't return anything if size is zero.
3642 Delete redundant assignment to BYTES.
3643 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3645 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3647 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3648 the same as the default library function names.
3649 * config/avr/avr.md: Document special characters after '%'.
3650 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3651 knowing which of the call-used registers are really clobbered.
3652 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3653 New. Both quotient and remainder from one libgcc.S call.
3654 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3655 clobber as few registers as possible.
3656 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3658 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3660 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3661 context of the top of the stack.
3663 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3665 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3666 (fixup_var_refs_insns): ...here.
3668 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3670 * function.c (fixup_var_refs_insns): Break up into
3671 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3672 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3673 [loop over hash table entries].
3674 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3675 fixup_var_refs_insns_with_hash, to match above changes.
3677 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3679 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3680 (libgcc.a): Likewise.
3681 (stmp-multilib): Likewise.
3682 (STAGE2_FLAGS_TO_PASS): Likewise.
3684 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3686 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3687 temporary if no_new_pseudos.
3689 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3691 * cppinternals.texi: Update.
3693 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3695 * arm.c (arm_init_builtins): Re-enable builtins.
3697 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3699 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3700 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3701 element to be null, and always expect an EXPR_LIST.
3702 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3703 * sched-deps.c (sched_analyze_1): Likewise.
3704 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3706 * regclass.c (max_set_parallel): New variable.
3707 (reg_scan): Take it into account in computation of max_parallel.
3708 (reg_scan_mark_refs, case SET): Compute it.
3710 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3712 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3713 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3715 2001-01-19 Jason Merrill <jason@redhat.com>
3717 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3718 for the abstract instance of an inline function.
3720 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3721 J"orn Rennecke <amylaar@redhat.com>
3723 * reload1.c (move2add_note_store): Treat all registers directly or
3724 indirectly derived from a base register as members of the same set
3726 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3727 of base register into account.
3729 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3731 * alias.c (find_base_value): Recognize TRUNCATE.
3732 (record_set): In PLUS case, invalidate if other summand is also a
3735 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3737 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3738 entry to be EXPR_LIST.
3739 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3740 be an EXPR_LIST (but not null, which other code doesn't allow).
3741 (note_stores): Properly handle PARALLEL in SET.
3742 Recursively call for top-level PARALLEL.
3743 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3744 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3746 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3748 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3750 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3751 not pfile->skipping (== 0).
3753 2001-01-17 Nick Clifton <nickc@redhat.com>
3755 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3758 2001-01-17 Jim Wilson <wilson@redhat.com>
3760 * invoke.texi (IA-64 options): Improve.
3762 2001-01-17 Tom Tromey <tromey@redhat.com>
3764 * invoke.texi (Optimize Options): Use `{}' to around @samp
3767 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3769 * invoke.texi (-fno-guess-branch-probability): New option.
3771 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3773 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3774 case of making new double-word constant.
3775 Revert last change: instead just test i3_subst_into_i2.
3777 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3779 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3780 Use q constraints instead of r.
3782 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3784 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3785 (machine_function): Define.
3786 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3787 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3788 pa_free_machine_status): New functions.
3789 (override_options): Set {init,mark,free}_machine_status to above.
3790 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3791 PIC_OFFSET_TABLE_REGNUM_SAVED.
3792 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3793 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3794 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3795 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3796 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3798 2001-01-15 DJ Delorie <dj@redhat.com>
3800 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3804 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3806 * flow.c (propagate_on_insn): Make trying to delete a prologue
3807 or epilogue insn an ICE, not a warning. Allow doing this if
3808 the current function returns with stack pointer depressed.
3810 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3811 I3 having more than one SET.
3813 2001-01-16 Jim Wilson <wilson@redhat.com>
3815 * invoke.texi: Document IA-64 options.
3817 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3818 (fixup_errata): Delete TARGET_A_STEP use.
3819 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3820 (TARGET_SWITCHES): Delete -ma-step option.
3821 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3822 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3823 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3824 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3825 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3826 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3828 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3829 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3830 cmovsi_internal): Delete ! TARGET_A_STEP check.
3832 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3834 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3835 possibility to report bugs via postal mail. Change a URL and
3836 merge in a nearly duplicate statement...
3837 (Bug Reporting): ...from here.
3838 (Service): Refer to the Bug Reporting section instead of
3840 (Contributing): Remove trivial explanations concerning snapshots.
3842 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3844 * cppmain.c (general_init): Don't use ANSI prototype.
3846 2001-01-16 Tom Tromey <tromey@redhat.com>
3848 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3850 2001-01-16 Richard Henderson <rth@redhat.com>
3852 * config/i386/i386.h: Fix comment typo.
3853 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3854 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3856 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3858 * gcc.c: Revert previous -fsyntax-only-related change; move
3861 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3863 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3864 inmode after checking GET_CODE (op).
3866 2001-01-16 Richard Henderson <rth@redhat.com>
3868 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3869 (MAX_MEM_SET_LIST_LEN): New.
3870 (propagate_one_insn): Update mem_set_list_len.
3871 (invalidate_mems_from_autoinc): Likewise.
3872 (invalidate_mems_from_set): Likewise.
3873 (mark_used_regs): Likewise.
3874 (init_propagate_block_info): Likewise. Stop collecting memories
3875 when we reach MAX_MEM_SET_LIST_LEN.
3876 (mark_set_1): Likewise.
3878 2001-01-16 Richard Henderson <rth@redhat.com>
3880 * unroll.c (precondition_loop_p): Fail if no iteration
3883 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3885 * gcc.c: When -fsyntax-only is given, do not complain about
3888 2001-01-15 Richard Henderson <rth@redhat.com>
3890 * config/i386/i386.c (asm_output_function_prefix): Remove.
3891 (ix86_asm_file_end): New.
3892 (load_pic_register): Generate pic_label_name into a
3893 staticly allocated buffer.
3894 * config/i386/i386-protos.h: Update.
3895 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3896 (ASM_FILE_END): New.
3897 * config/i386/i386afe.h: New file.
3898 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3899 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3900 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3901 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3902 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3903 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3904 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3906 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3908 * Makefile.in (install-man): Remove explicit dependency on
3911 * configure.in, configure: Revert previous patch requiring perl
3914 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3916 * toplev.c (flag_guess_branch_prob): New.
3917 (f_options): Add guess-branch-probability option.
3918 (rest_of_decl_compilation): Only estimate branch probability if
3920 (main): set flag_guess_branch_prob.
3922 * flags.h (flag_guess_branch_prob): New.
3924 2001-01-15 DJ Delorie <dj@redhat.com>
3926 * gcc.texi (Makefile): Add documentation for Makefile targets.
3928 2001-01-15 Philip Blundell <philb@gnu.org>
3930 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3932 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3933 (is_pic): Delete declaration.
3934 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3935 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3936 * config/arm/arm.md (builtin_setjmp_receiver): New.
3938 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3940 * arm.c (use_return_insn): Don't try to determine the function type
3941 until after reload has completed.
3942 (arm_output_epilogue): Don't adjust the sp value recovered from the
3944 (emit_multi_reg_push): Don't record dwarf information for the pc.
3945 * arm.md (eh_epilogue): The function type may have changed, so it
3946 needs to be recalculated.
3947 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3948 unwind tables on arm/netbsd.
3950 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3952 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3953 (negated_cbranchsi4): Likewise.
3955 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3957 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3958 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3959 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3960 pass -mapcs-* options to assembler.
3961 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3962 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3963 (ASM_SPEC): Call subtarget_extra_asm_spec.
3965 2001-01-15 Andreas Jaeger <aj@suse.de>
3967 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3969 (ix86_expand_builtin): Likewise.
3971 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3972 warning about comparison between signed and unsigned.
3974 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3976 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3978 2001-01-14 Ralf Baechle <ralf@gnu.org>
3980 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3981 SUBTARGET_CPP_SPEC apropriatly.
3983 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3985 * varasm.c (make_decl_rtl): Fix typo in last change.
3987 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3989 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3990 linker supports the init_priority C++ attribute.
3991 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3992 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3993 linker does not support init_priority C++ attribute.
3995 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3997 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3999 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4001 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4002 * cp/lex.c (finish_parse): Similarly.
4003 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4004 Return the number of errors encountered.
4005 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4006 * cppmain.c (main): Don't call cpp_destroy.
4008 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4010 * configure.in: Require at least perl 5.6.0 to regenerate
4012 * configure: Regenerate.
4014 2001-01-14 Richard Henderson <rth@redhat.com>
4016 * genrecog.c (DT_veclen_ge): New.
4017 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4018 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4019 (nodes_identical_1): Handle DT_veclen_ge.
4020 (write_cond, debug_decision_2): Likewise.
4022 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4024 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4026 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4028 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4030 * cppmain.c (do_preprocessing): New function; most of the old
4032 (main): Call it to do most of the work.
4033 (cb): Move from global scope to set_callbacks ().
4034 (setup_callbacks): Get the callback pointer.
4035 (general_init, printer_init): Clean up code and comments.
4037 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4039 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4042 2001-01-14 Kazu Hirata <kazu@hxi.com>
4044 * config/h8300/h8300.c (get_shift_alg): Update comments.
4046 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4048 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4049 (alloc_page, ggc_alloc): Add casts to remove warnings.
4051 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4053 * combine.c (simplify_comparison): Don't change `code' when
4054 can't reverse comparison.
4056 2001-01-14 Richard Henderson <rth@redhat.com>
4058 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4059 update all call sites. Return true for all non-label constants.
4061 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4063 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4065 (ix86_expand_branch): Update.
4066 (ix86_expand_setcc): Update to handle multiple test conditions.
4067 (expand_int_movcc): Likewise.
4068 (expand_fp_movcc): Likewise.
4069 * i386-protos.h (ix86_expand_compare): New.
4070 * i386.md (andqi_?_slp, orqi_?_slp): New.
4071 (conditional trap expander): Update call to ix86_expand_compare.
4073 2001-01-14 Richard Henderson <rth@redhat.com>
4075 * config/vax/vax.md: Use nonimmediate_operand instead of
4076 general_operand in destinations.
4078 * config/vax/vax.md (indirect_jump): Use register_operand.
4080 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4081 * config/vax/vax.md (call_pop): Turn into an expander.
4082 (call_value_pop): Likewise.
4083 (call, call_value): New.
4085 2001-01-14 Andreas Jaeger <aj@suse.de>
4087 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4089 (ix86_fp_compare_mode): Add unused attribute.
4090 (ix86_expand_fp_movcc): Remove unused variable.
4091 (ix86_expand_builtin): Make fcode unsigned.
4093 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4094 (expand_expr): Add cast to avoid signed warning.
4095 (store_field): Likewise.
4096 (store_constructor_field): Likewise.
4097 (store_constructor): Likewise.
4098 (store_expr): Likewise.
4099 (clear_storage): Likewise.
4100 (emit_group_store): Likewise.
4101 (emit_group_load): Likewise.
4103 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4105 * c-common.c: Move format checking code to ...
4106 * c-format.c: ... here. New file. Reorder some functions and
4108 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4110 * c-common.h (decl_handle_format_attribute,
4111 decl_handle_format_arg_attribute): Declare.
4112 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4113 (c-common.o): Adjust dependencies.
4114 (c-format.o): New list of dependencies.
4116 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4118 * unroll.c (loop_iterations): If we cannot prove iteration variable
4119 is set once in each iteration, punt.
4121 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4123 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4124 (*strlenhi): Remove clobber (which was buggy) of output address.
4126 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4128 * Makefile.in (generated-manpages): Add gcc.1
4129 ($(srcdir)/gcc.1): New target.
4130 (maintainer-clean): Delete $(srcdir)/gcc.1.
4131 * gcc.texi: Add macros @gccoptlist and @gol.
4132 * invoke.texi: Include option summary in manpage. Mark up option
4133 summary with @gccoptlist and @gol. Use @r in one place where
4135 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4136 * gcc.1: Generate from invoke.texi.
4138 2001-01-13 Richard Henderson <rth@redhat.com>
4140 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4141 (struct page_entry): Add group member.
4142 (struct page_group): New.
4143 (struct globals): Add page_groups member.
4144 (alloc_anon): Only define for using mmap; remove valloc call.
4145 (page_group_index): New.
4146 (set_page_group_in_use): New.
4147 (clear_page_group_in_use): New.
4148 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4149 (free_page, release_pages): Likewise.
4150 * configure.in (with-gc): Default to ggc-page always.
4152 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4154 * reload1.c (replace_pseudos_in_call_usage): Use
4155 reg_equiv_constant and reg_equiv_address, and don't try
4156 regno_reg_rtx first.
4158 2001-01-13 Richard Henderson <rth@redhat.com>
4160 * ggc-page.c (alloc_page): Round up allocation size to one page.
4161 Set e->order on extra pages.
4163 2001-01-13 Richard Henderson <rth@redhat.com>
4165 * genrecog.c (nodes_identical): Expand commentary.
4166 (write_switch): Watch out for identical nodes.
4168 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4170 * cppfiles.c (_cpp_fake_include): New function.
4171 * cpphash.h (_cpp_fake_include): New.
4172 * cpplib.c (do_line): Call _cpp_fake_include when entering
4173 header files in preprocessed input.
4174 * cppmain.c (cb_pragma_implementation): Remove handling.
4175 (setup_callbacks): Don't register pragmas.
4177 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4179 * extend.texi: Udate for CPP.
4181 2001-01-13 Andreas Jaeger <aj@suse.de>
4183 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4185 * regmove.c: Add prototype for replace_in_call_usage.
4187 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4189 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4190 struct cpp_chunk, struct htab, struct toklist,
4191 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4192 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4193 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4194 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4195 (struct macro_args): Delete.
4196 * cpphash.h: See above.
4198 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4200 * cppmain.c (struct printer): Remove no_line_dirs.
4202 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4203 : Use options rather than CPP_OPTION.
4204 (setup_callbacks): Use cb rather than pfile->cb.
4205 (main): No need to check for a buffer. Use cpp_errors.
4206 (printer_init): Don't set no_line_dirs.
4207 (maybe_print_line): Use options not no_line_dirs.
4208 (cb_file_change): Don't call print_line if -P.
4210 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4212 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4214 * c-parse.in (finish_parse): Use cpp_errors.
4215 (__yylex): Use return value of cpp_pop_buffer.
4216 * cp/lex.c (finish_parse): Use cpp_errors.
4217 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4219 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4221 * README.AVR: URLs corrected.
4223 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4225 * c-decl.c (start_function): Don't warn if old prototype is builtin
4226 that's not in C's namespace.
4227 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4228 (_bb): Add prototype for ctime.
4229 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4231 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4233 * i386.c (ix86_fp_comparison_arithmetics_cost,
4234 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4235 ix86_fp_comparison_cost): New functions.
4236 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4237 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4238 two-branch sequences; make static.
4239 (ix86_use_fcomi_compare): Do decision according to the costs.
4240 (split_fp_branch): New.
4241 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4242 * i386-protos.h (ix86_expand_fp_compare): Remove
4243 (ix86_split_fp_branch): Declare.
4245 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4246 and ix86_comparison_operator.
4248 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4251 * i386.c (put_condition_code): Output properly the unordered/ordered
4252 compares in fp case.
4253 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4255 * tm.texi (REVERSE_CONDITION): Document.
4256 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4257 in -ffast-math mode.
4258 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4260 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4262 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4264 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4267 * config/sh/sh.c (mova_p): Fix test for mova_const.
4269 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4271 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4272 cpp_get_options rather than dereferencing pfile and using
4274 * scan-decls.c (scan_decls): Use return value of
4275 cpp_pop_buffer rather than CPP_BUFFER.
4277 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4279 * cppinit.c (cpp_handle_option): help_only is now part of the
4280 cpp_options structure.
4281 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4282 cpp_set_callbacks): New functions.
4283 * cpplib.h (cpp_callbacks): Break out as a named structure.
4284 (cpp_options): Move help_only here from cpp_reader.
4285 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4286 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4287 cpp_set_callbacks): New prototypes.
4288 * cppmain.c (main): Update for help_only.
4290 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4292 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4293 Also build and remove and install and uninstall c-tree.info and
4295 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4296 ($(srcdir)/cppinternals.info): New target.
4297 * c-tree.texi: Change file name used when makeinfo used without -o
4298 from ir.info to c-tree.info. Add info directory entry.
4299 * cppinternals.texi: Add info directory entry.
4300 * .cvsignore: Update.
4302 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4304 * c-typeck.c (store_init_value): Don't require constant initializer
4305 elements with -pedantic -std=c99.
4306 (digest_init): Change error about non-constant initializer elements
4308 (constructor_range_end): Remove.
4309 (constructor_incremental, designator_depth,
4310 designator_errorneous): New variables.
4311 (struct constructor_stack): Remove range_end, add incremental.
4312 (struct constructor_range_stack, constructor_range_stack): New.
4313 (struct initializer_stack): Add constructor_range_stack.
4314 (finish_init): Set it.
4315 (start_init): Likewise. require_constant_elements for non-static
4316 trees only if not flag_isoc99.
4317 (really_start_incremental_init): Remove constructor_range_end, add
4318 constructor_incremental.
4319 (pop_init_level): Likewise.
4320 (push_init_level): Likewise. If implicit and the subobject had some
4321 value set already, preinitialize the level with it.
4322 Warn about missing braces only if not pushing due to designators.
4323 (set_designator, push_range_stack): New functions.
4324 (set_init_label): Use them.
4325 (set_init_index): Likewise. Remove constructor_range_end.
4326 Error if designator index is outside of array bounds.
4327 (add_pending_init): Compare values of purpose index trees, not the
4328 trees themselves. Allow overwriting of already initialized element.
4329 Issue a warning if it had side-effects.
4330 (set_nonincremental_init, set_nonincremental_init_from_string): New
4332 (pending_init_member): Rename to...
4333 (find_init_member): ...this function. Call set_nonincremental_init
4334 if necessary. Compare values of purpose index trees, not the trees
4335 themselves. Return the actual value, not just non-zero if something
4337 (output_init_element): Remove checks for duplicates.
4338 If field has zero size, only check the initializer for correctness.
4339 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4340 if constructor_incremental is zero. Change error about initializers
4341 not computable at load time into pedwarn.
4342 (output_pending_init_elements): Compare bit positions, not
4343 FIELD_DECLs to take into account zero-sized fields.
4344 (process_init_element): Use constructor_range_stack to fill all
4345 ranges in the designator lists from current level up.
4346 * extend.texi: Update documentation for labeled elements.
4348 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4350 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4351 to function usage for arguments passed by reference. Optimize
4352 callee-copied arguments.
4353 * regmove.c (replace_in_call_usage): New function.
4354 (fixup_match_1): Call it.
4355 * cse.c (cse_insn): Canonicalize registers in function usage.
4356 * reload1.c (replace_pseudos_in_call_usage): New function.
4359 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4362 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4364 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4367 2001-01-12 DJ Delorie <dj@redhat.com>
4369 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4370 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4373 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4375 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4376 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4377 -std options alongside references to -ansi. Update some
4378 documentation for C99.
4379 * cpp.1: Regenerate.
4381 2001-01-12 Andreas Jaeger <aj@suse.de>
4383 * haifa-sched.c (restore_line_notes): Remove argument block B
4385 * sched-ebb.c (schedule_ebb): Change caller.
4386 * sched-rgn.c (schedule_region): Likewise.
4387 * sched-int.h (restore_line_notes): Adjust prototype.
4389 * loop.h: Remove wrong declaration of doloop_condition_get.
4391 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4393 * extend.texi: Move C++-extension-related node from the C section
4394 into the C++ section.
4396 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4398 * extend.texi: Refer to an array of pointers to functions instead
4399 of one of functions.
4401 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4402 Jan Hubicka <jh@suse.cz>
4404 * combine.c (reversed_comparison): Fix typo in last patch.
4406 (combine_reversed_comparison_code): Make static to follow
4407 prototype declaration.
4409 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4411 * install.texi: Remove misplaced duplicate entry.
4413 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4415 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4417 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4419 * final.c: (leaf_function_p): Fix typo.
4421 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4423 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4424 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4426 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4427 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4428 mmap_anon, and valloc is available.
4429 * ggc-page.c: Restructure ifdef logic to match new autoconf
4430 spec. Don't throw away the test page in init_ggc.
4432 * configure, config.in: Regenerate.
4434 2001-01-12 Michael Hayes <mhayes@redhat.com>
4436 * loop.h (total_biv_increment): Constify iv_class pointer.
4437 (struct induction): Replace `mem_mode' with `mem' rtx.
4438 * unroll.c (total_biv_increment): Constify iv_class pointer.
4439 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4440 (find_mem_givs, combine_givs_p): Likewise.
4441 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4443 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4445 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4447 (__gthread_getspecific): Ditto.
4449 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4451 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4452 put_condition_code): Convert fp comparison codes to integer
4454 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4457 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4458 * i386-protos.h (no_comparison_operator): Kill.
4460 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4462 * combine.c (REVERSIBLE_CC_MODE): Remove.
4463 (reversible_comparison_p): Remove.
4464 (combine_reversed_comparison_code): New.
4465 (reversed_comparison): New.
4466 (combine_simplify_rtx): Use
4467 combine_reversed_comparison_code/reversed_comparison instead
4468 of reversible_comparison_p.
4469 (simplify_if_then_else): Likewise.
4470 (simplify_set): Likewise.
4471 (simplify_logical): Likewise.
4472 (if_then_else_cond): Likewise.
4473 (known_cond): Likewise.
4474 (simplify_comparison): Likewise.
4476 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4478 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4479 sizeof (int) is larger than sizeof(__word__).
4481 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4483 * cppinit.c (do_includes): Fix typo.
4485 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4487 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4488 in S_REGS does not occur because not all sources are possible
4489 when a S_REGS is a destination (sometimes needs a clobber).
4490 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4491 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4492 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4493 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4494 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4495 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4496 (lshrdi_const1, lshrsi3_const16): Likewise.
4497 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4498 (*movhi_68hc12, *movqi_68hc12): Likewise.
4499 (movstrictqi): Make sure reloading in D_REGS as a destination
4502 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4504 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4506 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4508 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4509 -D, -U and -A, and don't initialize the builtins.
4510 (do_includes): Error if -include or -imacros with -fpreprocessed.
4511 * cppmain.c (cb_define, cb_undef): Unconditionally process
4513 * tradcpp.c (main): Fix typo.
4515 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4517 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4518 (read_name_map): Use IS_ABSOLUTE_PATH.
4519 * tradcpp.c (get_filename): Likewise.
4521 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4523 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4524 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4525 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4526 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4527 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4528 (cmphi_z_used): Don't use '@' for the output.
4529 (tstqi_z_used): Likewise.
4530 (cmpqi_z_used): Likewise.
4531 (one_cmplsi2): Likewise.
4533 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4535 * config/sh/sh.c (barrier_align): Recognize branch around far
4536 branch and redundant insn.
4538 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4540 * invoke.texi: Restore documentation of the drivers' switches -MD
4543 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4545 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4547 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4548 check-objc//%): Support parallel testing of multilibs.
4549 (TESTSUITEDIR): Set to testsuite by default, but override for
4551 (check-gcc, check-g++, check-g77, check-objc): Enter
4554 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4556 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4557 * sched-deps.c (deps_may_trap_p): Likewise.
4558 * basic-block.h: Remove a comment.
4559 * flow.c (PROP_POSTRELOAD): Remove.
4560 (update_life_info): Don't add it to prop_flags.
4561 (mark_set_1): Lose the code that was enabled by it.
4563 2001-01-11 Michael Hayes <mhayes@redhat.com>
4565 * flow.c (flow_call_edges_add): New.
4566 * basic_block.h (flow_call_edges_add): New.
4568 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4570 * reload1.c (move2add_note_store): Update reg_set_luid even if
4571 base reg remains the same.
4573 2001-01-10 Nick Clifton <nickc@redhat.com>
4575 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4576 machine_function structure to zero.
4577 Add prototypes for machine_status functions.
4579 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4581 * c-common.h (CTI_VOID_LIST): Remove.
4582 (void_list_node): Likewise.
4583 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4584 (void_list_node): New macro.
4585 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4586 * config/i386/i386.c (ix86_init_builtins): Likewise.
4587 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4589 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4591 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4592 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4594 * tradcpp.c: Include mkdeps.h.
4595 (deps, print_deps_phony_targets, deps_append, output_deps,
4596 init_dependency_output, output_deps): New.
4597 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4598 deps_output): Delete.
4599 (print_deps_missing_files): Rename deps_missing_files.
4600 (inhibit_output): Make global.
4601 (main): Delete inhibit_output, deps_stream, deps_target.
4602 Use mkdeps functionality in the same way as cpplib. Remove
4603 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4604 -M and -MM. Remove old handling of deps via deps_out, and
4605 old reading of environment variables.
4606 (get_filename): Update to use deps_add_dep.
4608 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4610 * output.h (make_function_rtl): Remove prototype.
4611 (make_decl_rtl): Likewise.
4612 * varasm.c (make_function_rtl): Remove.
4613 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4614 than from a third parameter.
4615 * tree.h (make_decl_rtl): Remove last parameter.
4616 * c-decl.c (builtin_function): Remove last argument in call to
4617 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4618 (start_function): Likewise.
4619 * except.c (call_get_eh_context): Likewise.
4620 * expr.c (emit_block_move): Likewise.
4621 (clear_storage): Likewise.
4622 * profile.c (output_func_start_profiler): Likewise.
4623 * toplev.c (rest_of_decl_compilation): Likewise.
4624 * objc/objc-act.c (create_builtin_decl): Likewise.
4625 (synth_module_prologue): Likewise.
4626 (generate_static_reference): Likewise.
4627 (build_selector_reference_decl): Likewise.
4628 (build_class_reference_decl): Likewise.
4629 (build_objc_string_decl): Likewise.
4630 (build_protocol_reference): Likewise.
4632 2001-01-10 Richard Henderson <rth@redhat.com>
4634 * hwint.h: Revert yesterday's change.
4636 2001-01-10 Nick Clifton <nickc@redhat.com>
4638 * function.h (save_machine_status): Delete.
4639 (restore_machine_status): Delete.
4640 Amend comment describing {init|mark|free}_machine_status.
4642 * function.c (save_machine_status): Delete.
4643 (restore_machine_status): Delete.
4644 Amend comment describing {init|mark|free}_machine_status.
4645 (push_function_context_to): Remove invocation of
4646 save_machine_status.
4647 (pop_function_context_from): Remove invocation of
4648 restore_machine_status.
4650 * emit-rtl.c (init_emit_once): Amend comment describing
4651 {init|mark|free}_machine_status.
4653 * tm.texi (Per-Function Data): New node. Describe the
4654 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4657 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4659 * cppinit.c (OPT_g): Remove.
4660 (cpp_handle_option): Update for removed -g3.
4661 (print_help): Update.
4662 * cpplib.h (struct cpp_options): Remove debug_output.
4663 * cppmain.c (setup_callbacks, cb_define): Update.
4664 * gcc.c (cpp_options): Translate -g3 to -dD.
4666 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4668 * config/i960/i960.md: Change modifier to + on the zero_extract
4669 pattern after the (rotate -2 reg) canonicalization pattern.
4671 2001-01-10 Richard Henderson <rth@redhat.com>
4673 * config/alpha/alpha.c (alpha_free_machine_status): New.
4674 (override_options): Install it.
4675 (alpha_mark_machine_status): Verify machine non-null.
4676 * config/i386/i386.c (ix86_free_machine_status): New.
4677 (override_options): Install it.
4678 (ix86_init_machine_status): Use xcalloc.
4679 (ix86_mark_machine_status): Verify machine non-null.
4680 * config/ia64/ia64.c (ia64_free_machine_status): New.
4681 (ia64_override_options): Install it.
4682 (ia64_mark_machine_status): Verify machine non-null.
4684 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4686 * function.c (instantiate_virtual_regs): Instantiate virtual
4687 registers found in CALL_INSN_FUNCTION_USAGE.
4689 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4691 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4692 equivalent to -ansi in disabling -Di386.
4694 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4696 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4698 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4700 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4702 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4704 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4706 * invoke.texi: Document that -fcond-mismatch isn't supported for
4709 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4711 * gcc.texi: Define macro gcctabopt.
4712 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4713 @command, @env and @option in some places where appropriate. Use
4714 @gcctabopt where appropriate. Put URLs and email addresses inside
4717 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4719 * gcc.c (cpp_options): Set MD file name from output
4720 filename, if specified.
4721 (suffix_subst): New static variable.
4722 (do_spec): Clear it.
4723 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4725 (give_switch): Handle suffix_subst.
4727 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4729 * invoke.texi: Fix another typo.
4731 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4733 * invoke.texi: Fix typo.
4735 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4737 * c-lang.c (lang_hooks): Update.
4738 (lang_decode_option): Remove.
4739 (lang_init_options): Rename c_init_options.
4740 * toplev.c (main): Use lang_hooks for lang_init_options
4741 and lang_decode_option.
4742 * toplev.h (lang_hooks): Add 2 new hooks.
4743 * tree.h: Remove lang_init_options and lang_decode_option.
4744 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4745 * cp/decl2.c: Similarly.
4746 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4747 (lang_hooks): Update.
4748 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4750 (lang_init_options): Rename ffe_init_options.
4751 (lang_hooks): Update.
4752 (lang_decode_option): Remove.
4753 * java/lang.c (lang_init_options): Rename java_init_options.
4754 (lang_decode_option): Rename java_decode_option.
4755 (lang_hooks): Update.
4756 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4757 (lang_decode_option): Rename objc_decode_option.
4758 (lang_hooks): Update.
4760 2001-01-09 Nick Clifton <nickc@redhat.com>
4762 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4763 (d30v_return_addr_rtx): Delete.
4764 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4765 cfun->machine structure.
4766 (struct machine_function): Move to d30v.h
4767 (d30v_save_machine_status): Delete.
4768 (d30v_restore_machine_status): Delete.
4769 (d30v_init_machine_status): New Function.
4770 (d30v_mark_machine_status): New Function.
4771 (d30v_free_machine_status): New Function.
4772 (d30v_init_expanders): Use new functions.
4773 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4774 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4775 d30v_return_addr_rtx.
4777 * config/d30v/d30v.h (struct_machine): Move here.
4778 Add eh_epilogue_sp_ofs field.
4780 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4781 field in cfun->machine structure.
4783 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4785 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4786 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4787 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4789 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4791 * objc/lang-options.h: Remove bogus reference to
4794 2001-01-09 Kazu Hirata <kazu@hxi.com>
4796 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4799 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4801 * reload.c (find_reloads_address): Check for eliminable registers
4802 when substituting a constant expression for a pseudo.
4804 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4806 * c-common.c (enum format_type): Add format_type_error.
4807 (decode_format_type): New function.
4808 (decl_attributes): Use it.
4809 (format_kind_info): Adjust comment.
4811 2001-01-09 David O'Brien <obrien@BSDi.com>
4813 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4814 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4816 * config/i386/gnu.h: Don't include required platform specific .h files,
4817 tm.h will do it instead.
4818 * config/i386/i386elf.h: Likewise.
4819 * config/i386/linux.h: Likewise.
4820 * config/i386/moss.h: Likewise.
4821 * config/mips/gnu.h: Likewise.
4823 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4825 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4826 (rs6000-ibm-aix3.[01]*): Likewise.
4827 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4828 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4829 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4830 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4831 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4832 (powerpc-*-eabiaix*): Likewise.
4833 (powerpc-*-eabisim*): Likewise.
4834 (powerpc-*-elf*): Likewise.
4835 (powerpc-*-eabi*): Likewise.
4836 (powerpc-*-rtems*): Likewise.
4837 (powerpc-*-linux*libc1): Likewise.
4838 (powerpc-*-linux*): Likewise.
4839 (powerpc-wrs-vxworks*): Likewise.
4840 (powerpcle-wrs-vxworks*): Likewise.
4841 (powerpcle-*-sysv*): Likewise.
4842 (powerpcle-*-elf*): Likewise.
4843 (powerpcle-*-eabisim*): Likewise.
4844 (powerpcle-*-eabi*): Likewise.
4845 (powerpcle-*-solaris2*): Likewise.
4846 * config/rs6000/aix31.h: Delete includes.
4847 * config/rs6000/aix3newas.h: Likewise.
4848 * config/rs6000/aix41.h: Likewise.
4849 * config/rs6000/aix43.h: Likewise.
4850 * config/rs6000/beos.h: Likewise.
4851 * config/rs6000/rtems.h: Likewise.
4852 * config/rs6000/sysv4.h: Likewise.
4854 2001-01-09 Kazu Hirata <kazu@hxi.com>
4856 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4857 Change an argument mode of machine_mode to shift_mode of
4858 shift_mode. Remove an extra error check.
4859 (emit_a_shift): Adopt to the new calling prototype of
4861 (function_prologue): Fix code for a monitor
4862 function. Support H8/S.
4863 (function_epilogue): Do not output pop for a monitor function.
4865 2001-01-09 Nick Clifton <nickc@redhat.com>
4867 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4868 (setup_incoming_varargs): Use sysv_varargs_p field of the
4869 cfun->machine structure.
4870 (struct machine_function): Move to rs6000.h
4871 (rs6000_save_machine_status): Delete.
4872 (rs6000_restore_machine_status): Delete.
4873 (rs6000_init_machine_status): New Function.
4874 (rs6000_free_machine_status): New Function.
4875 (rs6000_init_expanders): Use new functions.
4877 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4879 (struct machine_function): Move here.
4881 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4882 sysv_varargs_p field of the cfun->machine structure.
4884 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4886 (rs6000_restore_machine_status): Remove prototype.
4888 2001-01-09 Richard Henderson <rth@redhat.com>
4890 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4891 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4892 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4893 (sched_analyze_2, sched_analyze_insn): Likewise.
4894 (sched_analyze, init_deps): Likewise.
4895 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4896 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4897 (compute_block_backward_dependences): Update propagate_deps call.
4899 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4901 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4903 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4905 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4906 (cpp_handle_option): Handle them.
4907 (cpp_post_options): Ensure one of -M or -MM is specified with
4908 any other -M? option.
4909 (init_dependency_output): Suppress output with -MG.
4911 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4914 * invoke.texi: Update.
4916 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4918 * sh.md (reload_outsf): Generate recognizable patterns for
4921 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4923 * c-lang.c (lang_hooks): Update.
4924 (lang_init): Rename c_init.
4925 (lang_finish): Remove.
4926 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4928 * toplev.h (lang_hooks): Add init () and finish ().
4929 * tree.h (lang_init, lang_finish): Remove.
4930 * cp/tree.h (lang_init, lang_finish): Remove.
4931 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4932 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4934 (lang_init, lang_finish): Remove.
4935 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4936 (lang_hooks): Update.
4937 * java/lang.c (lang_init): Rename java_init.
4938 (lang_finish): Remove.
4939 (lang_hooks): Update.
4940 * objc/objc-act.c (lang_init): Rename objc_init.
4941 (lang_finish): Remove.
4942 (lang_hoooks): Update.
4944 20001-01-09 Graham Stott <grahams@redhat.com>
4946 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4947 after `ptr` is initialised.
4949 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4951 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4952 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4953 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4954 stack adjusts, instead of r3.
4956 2001-01-09 Michael Hayes <mhayes@redhat.com>
4958 * flow.c (flow_loop_scan): Break out of ...
4959 (flow_loops_find) ... here.
4960 * basic-block.h (flow_loop_scan): New.
4961 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4962 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4964 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4966 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4968 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4969 realloc()ing macro_buffer.
4971 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4972 if it's wider than long and the target's long is wider than the
4975 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4977 Remove support for using UWIN as a host machine.
4978 * configure.in: Issue an error message.
4979 * configure: Regenerated.
4980 * config.gcc: Remove xm_* UWIN configury.
4981 * config/i386/xm-uwin.h: Remove.
4983 2001-01-08 Nick Clifton <nickc@redhat.com>
4985 * config/v850/v850.c (ra_rtx): Delete.
4986 (v850_save_machine_status): Delete.
4987 (v850_restore_machine_status): Delete.
4988 (v850_init_machine_status): New function.
4989 (v850_mark_machine_status): New function.
4990 (v850_free_machine_status): New function.
4991 (v850_return_addr): Use ra_rtx field in machine structure.
4992 (v850_init_expanders): Use new functions.
4994 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4995 * config/v850/v850.c: Change arguments to v850_output+* functions
4996 to take a const char *, to avoid compile time warning.
4997 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4998 (USER_LABEL_PREFIX): Redefine.
5000 2000-01-08 Jim Wilson <wilson@redhat.com>
5002 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5003 1 to unsigned HOST_WIDE_INT before left shift.
5005 2001-01-08 Nick Clifton <nickc@redhat.com>
5007 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5008 the machine structure has been allocated.
5009 (arm_free_machine_status): New function: Free the machine
5010 specific function structure.
5012 2001-01-08 Richard Henderson <rth@redhat.com>
5014 * jump.c (simplejump_p): Revert last change.
5016 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5018 * cppinit.c (init): Rename init_library.
5019 (cpp_create_reader): Update.
5020 * gcc.c (cpp_options): If -o given, use it as the target of
5023 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5025 * arm.c (arm_arch5e): New variable.
5026 (all_cores): XScale is a 5TE device.
5027 (arm_override_options): Set arm_arch5e.
5028 (arm_init_builtins): __builtin_prefetch is in arch5e.
5029 * arm.h (arm_arch5e): Declare it.
5031 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5033 * arm.md (define_constants): Add defines for UNSPEC and
5034 UNSPEC_VOLATILE insns. Update all users.
5035 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5036 * arm.c (multi_register_push, note_invalid_constants)
5037 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5038 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5039 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5041 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5043 * jump.c (jump_optimize_1): Use reversed_comparison_code
5044 instead of can_reverse_comparison_p.
5045 (jump_back_p): Likewise.
5046 (invert_exp_1): Likewise.
5047 (thread_jumps): Likewise.
5048 * simplify-rtx.c (simplify_unary_operation): Likewise.
5049 (simplify_ternary_operation): Likewise.
5050 * cse.c (find_comparison_args): Convert to use
5051 can_reverse_comparison_p.
5052 (record_jump_equiv): Likewise.
5054 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5056 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5057 (EPILOGUE_USES): Define.
5058 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5059 automatically stack the LR if it isn't live.
5061 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5063 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5066 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5068 * ggc-page.c (max_alignment): New structure.
5069 (MAX_ALIGNMENT): New macro.
5070 (init_ggc): Use it to round up the sizes in the
5071 extra_order_size_table.
5073 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5075 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5078 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5080 * builtins.def (BUILT_IN_FPRINTF): New entry.
5082 * c-common.c (c_expand_builtin_fprintf): New function.
5083 (init_function_format_info): Handle __builtin_fprintf.
5084 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5085 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5087 * c-decl.c (duplicate_decls): Adjust comment.
5089 * extend.texi (fprintf): Document new builtin.
5091 2001-01-07 Richard Henderson <rth@redhat.com>
5093 * jump.c (simplejump_p): Recognize any single_set jump
5096 2001-01-07 Richard Henderson <rth@redhat.com>
5098 * configure.in (slibdir): Accept an --with-slibdir option.
5099 Use "test" not "[" in configure. Default to $(libdir).
5101 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5103 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5104 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5105 (SHLIB_LINK): Create links for the soname.
5106 * config/mips/t-iris6: Likewise.
5107 * config/sparc/t-slibgcc: Likewise.
5108 * config/sparc/t-slibgcc-sld: Likewise.
5110 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5112 * config/i386/i386.c (constant_call_address_operand): Accept
5113 (const (plus (symbol_ref) (const_int))).
5114 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5115 constant_call_address_operand.
5117 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5119 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5120 and LONG_LONG_TYPE_SIZE > 32.
5122 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5124 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5125 the previous change.
5127 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5129 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5131 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5132 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5133 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5136 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5138 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5140 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5142 * c-lang.c (c_post_options): Call cpp_post_options.
5143 * objc/objc-act.c (objc_post_options): Similarly.
5144 * cppmain.c (main): Similarly.
5145 * fix-header.c (read_scan_file): Similarly.
5146 * cppinit.c (cpp_start_read): Move option consistency checks
5147 to cpp_post_options. Don't call init_dependency_output.
5148 If needed, add default target and main file dependency.
5149 (OPT_MD, OPT_MMD): Remove.
5151 (cpp_handle_option): Update for OPT_* changes.
5152 (cpp_post_options): New.
5153 (init_dependency_output): Command line -MF overrides environment
5154 variables. Don't set default target etc. Suppress output
5155 if dependencies are going to stdout.
5156 (print_help): Update.
5157 * cpplib.h (cpp_post_options): New.
5158 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5160 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5162 * jump.c (comparison_dominates_p): Support unordered compares.
5164 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5166 * simplify-rtx.c (simplify_relational_operation): Always simplify
5167 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5170 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5172 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5173 (nonzero_bits): Likewise.
5174 (simplify_comparison): Likewise.
5175 (num_sign_bit_copies): Likewise; return more sane value depending
5176 on STORE_FLAG_VALUE.
5177 (known_cond): Do not assume EQ to be always true for equivalent
5180 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5182 * cse.c (fold_rtx): Handle unordered comparisons.
5184 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5186 * rtlanal.c (set_of_1): New static function.
5187 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5188 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5189 reg_set_last_last_regno): Remove.
5190 (set_of): New global function.
5191 (set_of_data): New structure.
5192 (reg_set_p, reg_set_last): Revamp for set_of.
5193 * rtl.h (set_of): New.
5195 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5197 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5198 * extend.texi: Document _Exit builtin.
5200 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5202 * (initialize, initialize_builtins,
5203 initialize_dependency_output, initialize_standard_includes):
5204 Rename s/initialize/init. Update.
5205 (init_dependency_output): Move to after
5206 cpp_handle_options, the correct location temporally at least.
5207 (opt_comp): Move next to init (), its caller. Fix prototype.
5208 (init): Make "initialized" local scope.
5209 (cpp_create_reader): Always call init ().
5210 (cpp_start_read): Update.
5211 (output_deps): New function, broken out of cpp_finish.
5212 (cpp_finish): Break out output_deps.
5214 2001-01-07 Richard Henderson <rth@redhat.com>
5216 * collect2.c (COFF specific stuff): Revert 12-06 patch
5217 to prototype system functions.
5219 2001-01-07 Michael Hayes <mhayes@redhat.com>
5221 * hard-reg-set.h: Add multiple include guard.
5222 * basic-block.h (struct loop): Add `sink' field.
5223 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5224 (emit_iv_add_mult): Delete.
5225 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5226 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5227 (unroll_loop): Remove end_insert_before argument.
5228 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5229 (maybe_eliminate_biv_1): Likewise.
5230 (emit_iv_add_mult): Delete.
5231 (gen_add_mult, loop_regs_update): New.
5232 (loop_insn_emit_after, loop_insn_emit_before): New.
5233 (loop_insn_sink, loop_insn_sink_or_swim): New.
5234 (emit_iv_add_mult): Delete.
5235 (scan_loop): Set loop->sink.
5236 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5237 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5238 (maybe_eliminate_biv_1): Likewise.
5239 (maybe_eliminate_biv_1): Add basic block argument.
5240 * unroll.c (unroll_loop): Remove end_insert_before argument.
5241 (find_splittable_regs): Likewise.
5242 (find_splittable_regs): Use loop_insn_sink and its ilk.
5243 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5245 2001-01-07 Michael Hayes <mhayes@redhat.com>
5247 * loop.h (loop_insn_hoist): New prototype.
5248 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5249 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5250 (check_dbra_loop, load_mems): Likewise.
5251 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5252 (find_splittable_givs): Likewise.
5254 2001-01-07 Michael Hayes <mhayes@redhat.com>
5256 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5258 2001-01-07 Richard Henderson <rth@redhat.com>
5260 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5262 2001-01-07 Richard Henderson <rth@redhat.com>
5264 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5265 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5266 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5267 variant that handles a shared libgcc.
5268 (process_command): Always validate -{static,shared}-libgcc.
5269 (do_spec_1): New 'M' case.
5270 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5272 2001-01-07 Richard Henderson <rth@redhat.com>
5274 * Makefile.in (slibdir): New variable.
5275 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5276 (installdirs): Create slibdir.
5277 (install-libgcc, install-multilib): Defer to libgcc.mk.
5278 * configure.in (slibdir): Substitute.
5279 * mklibgcc.in (install): New target.
5281 * config/t-linux (SHLIB_LINK): Create links for the soname.
5282 (SHLIB_INSTALL): New.
5283 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5284 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5285 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5286 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5287 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5289 2001-01-07 Richard Henderson <rth@redhat.com>
5291 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5292 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5293 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5295 2001-01-07 Michael Hayes <mhayes@redhat.com>
5297 * loop.c (count_loop_regs_set): Delete.
5298 (load_mems_and_recount_loop_regs_set): Delete.
5299 (loop_regs_scan): Merge common code from count_loop_regs_set,
5300 scan_loop, and load_mems_and_recount_loop_regs_set.
5301 (scan_loop): Call load_mems directly and loop_regs_scan
5302 again if new registers created.
5304 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5306 * toplev.c (main): Call the front-end specific post_options
5307 hook if one is given.
5308 * toplev.h (struct_lang_hooks, lang_hooks): New.
5309 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5310 for the C front end.
5311 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5312 lang_hooks for the C++ front end.
5313 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5314 lang_hooks for the ObjC front end.
5315 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5316 * java/lang.c (lang_hooks): Hooks for the Java front end.
5318 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5320 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5321 for verbose DWARF[2] debugging.
5322 (cb_define, cb_undef): The new callbacks.
5323 * toplev.h (debug_define, debug_undef): Make const correct.
5324 * toplev.c (debug_define, debug_undef): Similarly. Do not
5325 perform the verbosity tests here anymore.
5327 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5329 * reload.c (subst_reloads): Take INSN argument. When
5330 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5331 * reload.h (subst_reloads): Adjust prototype.
5332 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5333 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5334 present in JUMP_INSNs and copy them to JUMP_LABEL.
5335 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5336 JUMP_INSNs and insns with REG_LABELs that are followed by
5337 JUMP_INSNs with the same REG_LABEL.
5338 * sched-rgn.c (is_cfg_nonregular): Likewise.
5339 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5341 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5343 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5345 2001-01-06 Richard Henderson <rth@redhat.com>
5347 * loop.c (scan_loop): Use xcalloc for the regs array.
5348 (load_mems_and_recount_loop_regs_set): Zero the new memory
5349 received from xrealloc.
5351 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5353 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5355 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5357 * integrate.c (copy_rtx_and_substitute): When copying
5358 an ignored return value, strip REG_FUNCTION_VALUE_P.
5360 2001-01-06 Michael Hayes <mhayes@redhat.com>
5362 * loop.c (debug_biv, debug_giv): New.
5363 (loop_biv_dump): Break out from ...
5364 (record_biv): ... here.
5365 (loop_giv_dump): Break out from ...
5366 (record_giv): ... here.
5367 (loop_bivs_check): Use print_simple_rtl.
5368 * unroll.c (loop_iterations): Use print_simple_rtl.
5370 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5372 * pa.md (return, return_internal): Modify patterns to prevent regrename
5373 mucking with the return pointer.
5375 2001-01-05 Richard Henderson <rth@redhat.com>
5377 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5379 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5381 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5382 version supplied by Matteo Frigo.
5384 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5386 * cpp.texi: Update for -MQ.
5387 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5388 (cpp_cleanup): Always free pfile->deps.
5389 (initialize_dependency_output): Don't create pfile->deps.
5390 (cpp_handle_option): Similarly.
5392 * gcc.c (cpp_options): Handle -MQ.
5393 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5394 * mkdeps.c (base_name): Remove.
5395 (deps_init): Don't allocate vector space until it's needed.
5396 (deps_free): Only free vectors if allocated.
5397 (deps_add_target, deps_add_dep): Update for initial allocation.
5398 (deps_add_default_target): Don't strip to the base_name.
5400 2001-01-05 DJ Delorie <dj@redhat.com>
5402 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5403 (INIT_EXPANDERS): Define.
5405 * config/v850/v850.c (struct machine_function): Define.
5406 (v850_save_machine_status): New function.
5407 (v850_restore_machine_status): New function.
5408 (v850_return_addr): New function.
5409 (v850_init_expanders): New function.
5411 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5412 and v850_init_expanders.
5414 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5416 * cpplib.h (struct cpp_reader): Add help_only field.
5417 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5418 (cpp_handle_option): Set pfile->help_only if we see -h,
5419 --help, -target-help, or --version. Print version string but
5420 do not set help_only if we see -v or -version. Make text
5421 printed by -v match that printed by (-)-version.
5423 * cppmain.c (main): Exit after option parsing if
5424 pfile->help_only is true.
5426 * toplev.c (independent_decode_option): Call print_version,
5427 then exit, if we see --version (but not -version).
5428 (print_version): Split lengthy message into two lines.
5430 2001-01-05 Nick Clifton <nickc@redhat.com>
5432 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5433 temporary string for initialisation before calling ggc_alloc_string.
5435 2001-01-06 Michael Hayes <mhayes@redhat.com>
5437 * rtl.h (print_simple_rtl): New.
5438 * print-rtl.c (print_simple_rtl): New.
5440 (print_rtx): Disable printing of flags and modes, etc.,
5441 if `flag_simple` nonzero.
5443 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5445 * function.c (fixup_var_refs): Use push_to_full_sequence where
5448 2001-01-05 Michael Meissner <meissner@redhat.com>
5450 * flags.h (flag_reorder_blocks): Add declaration.
5451 (flag_rename_block): Ditto.
5453 2001-01-05 DJ Delorie <dj@redhat.com>
5455 * function.c (reorder_blocks): Make sure the flags are all reset
5456 before using them to mark blocks, else a second invocation will
5457 corrupt the block chain.
5458 (reorder_blocks_0): New, resets the flags.
5460 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5462 * cse.c (find_comparison_args): Stop if the argument is known to
5465 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5467 * config/sh/sh.md (movdf): When splitting load into pair of
5468 registers, don't clobber the register used in the address too
5471 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5473 * varasm.c (mark_constant_pool): Improve initial comments.
5474 (mark_constants): Move marking of constants to mark_constant.
5475 (mark_constant): New function to recursively mark all constants
5476 referred to by a constant.
5478 2001-01-05 Catherine Moore <clm@redhat.com>
5480 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5482 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5484 * cp/lang-options.h: Bring comment in line with reality.
5485 * f/lang-options.h: Likewise.
5486 * java/lang-options.h: Likewise.
5487 * objc/lang-options.h: Likewise.
5488 * ch/lang-options.h: Likewise.
5489 * f/g77.texi: And update the manual.
5491 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5492 Denis Chertykov <denisc@overta.ru>
5494 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5495 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5496 * config/avr/avr.md (all peepholes that request a scratch register):
5497 Call it, FAIL the peephole if not safe (in interrupt functions).
5499 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5501 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5503 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5505 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5507 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5508 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5509 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5510 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5511 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5513 * extend.texi: Document these builtins.
5515 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5517 * c-common.c (lang_get_alias_set): Say we know nothing of
5518 VECTOR_TYPE aliasing.
5520 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5522 2001-01-05 Bruce Korb <bkorb@gnu.org>
5524 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5525 their x* equivalent versions for atexit-less systems
5526 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5527 systems (or any other system any more).
5529 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5531 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5532 output operands. Use arm_hard_register_operand for operand 4.
5533 (stmsi_postinc): Similarly.
5534 (ldmsi): Use arm_hard_register_operand for opernand 2.
5536 * arm.c (arm_hard_register_operand): New function.
5537 * arm-protos.h (arm_hard_register_operand): Prototype it.
5539 * arm.h (HARD_REGNO_RENAME_OK): Define.
5541 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5543 * simplify-rtx.c (cfc_args): add "unordered" field.
5544 (check_fold_consts): Set unordered field.
5545 (simplify_relational_operation): Simplify the unordered
5548 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5551 * emit-rtl.c (try_split): Fix code to mark labels.
5552 * jump.c (mark_jump_label): Make global.
5553 * rtl.h (mark_jump_label): Declare.
5555 * predict.c (estimate_probability): Handle unordred comparisons.
5557 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5559 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5560 * cppinit.c (initialize_dependency_output): Update.
5561 (cpp_finish): Output dummy targets for -MP.
5563 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5564 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5565 * gcc.c (cpp_options): Update to handle -MP.
5566 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5567 to quote only the default target.
5568 (deps_phony_targets): Insert a preceding newline. Rename from
5569 deps_dummy_targets for consistency.
5572 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5574 * calls.c (emit_library_call_value_1): Support
5575 INIT_CUMULATIVE_LIBCALL_ARGS.
5576 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5578 2001-01-04 Richard Henderson <rth@redhat.com>
5580 * c-decl.c (finish_struct): Detect flexible array members
5581 used in an inappropriate context.
5582 * c-typeck.c (really_start_incremental_init): Special case
5583 constructor_max_index for zero length arrays.
5584 (pop_init_level): Allow initialization of flexible array
5585 members. Deprecate initialization of zero length arrays.
5586 Don't issue missing initializer warning for flexible array
5587 members or zero length arrays.
5588 (process_init_element): Don't dereference null DECL_SIZE.
5589 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5590 Don't abort for empty constructors. Use size_binop
5591 (output_constructor): Add commentary regarding zero length
5592 array futures. Abort if we try to initialize an array of
5593 unspecified length with a non-empty constructor in the middle
5596 * extend.texi (Zero Length): Update and clarify documentation
5597 on static initialization.
5599 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5601 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5602 with more than 32767 words of local storage.
5604 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5606 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5607 for 'abs', 'labs', and 'fabs'.
5608 (c4x_expand_builtin): Likewise.
5609 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5611 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5613 * config/sh/sh.md (prget, prset): New insn types.
5614 (return delay slot): Dont' allow prset.
5615 (call, sfunc delay slot): Don't allow prget.
5616 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5617 for prset and prget.
5619 2001-01-05 Michael Hayes <mhayes@redhat.com>
5621 * loop.h (struct loop_reg): New.
5622 (struct loop_regs): Change to use array of `struct loop_reg'.
5623 * loop.c: Replace assortment of varrays with single regs array.
5624 (count_one_set): Delete may_not_move array argument
5625 and use regs array instead. All caller's changed.
5626 (count_loop_regs_set): Delete may_not_move and single_usage
5627 arguments and use regs array instead. All caller's changed.
5628 (find_single_use_in_loop): Replace usage array argument with pointer
5629 to regs structure. All caller's changed.
5630 (loop_optimize): Delete `moved_once' array.
5632 2001-01-05 Michael Hayes <mhayes@redhat.com>
5634 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5635 Use it instead of loop_info->has_call for scanning loop mems.
5636 (check_dbra_loop): Replace loop_info->has_call test with
5637 loop_info->has_nonconst_call.
5639 2000-01-04 Matthew Hiller <hiller@redhat.com>
5641 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5644 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5646 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5647 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5649 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5651 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5652 (flag_short_double, flag_short_wchar): Define.
5653 (c_common_nodes_and_builtins): Create many tree nodes shared
5654 between C and C++ here instead of in cp/decl.c and ...
5655 * c-decl.c (init_decl_processing): ... here.
5656 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5657 (flag_short_double, flag_short_wchar): Don't define.
5658 (record_builtin_type): New function.
5659 (build_void_list_node): New function.
5660 * c-common.h (flag_short_double, flag_short_wchar,
5661 record_builtin_type, build_void_list_node): Declare.
5663 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5665 * integrate.c (expand_inline_function): Don't put a virtual
5666 register into the reg map.
5668 * function.c (fixup_var_refs_1): If force_operand didn't put
5669 the address into the target, move it there.
5671 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5673 Special-case tree_decl/tree_list allocations.
5674 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5675 (OBJECT_SIZE): New macro.
5676 (NUM_EXTRA_ORDER): Likewise.
5677 (extra_order_size_table): New variable.
5678 (NUM_ORDERS): New macro.
5679 (objects_per_page_table): New variable.
5680 (object_size_table): New variable.
5681 (G.pages): Use NUM_ORDERS to bound the array.
5682 (G.page_tails): Likewise.
5683 (DIV_ROUND_UP): Remove.
5684 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5685 (alloc_page): Use OBJECT_SIZE.
5686 (size_lookup): Don't make it const.
5687 (ggc_alloc): Use OBJECT_SIZE.
5688 (ggc_set_mark): Likewise.
5689 (ggc_get_size): Likewise.
5690 (init_ggc): Set up the object_size_table, objects_per_page_table,
5691 and adjust size_lookup.
5692 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5693 (ggc_pop_context): Use NUM_ORDERS.
5694 (clear_marks): Likewise.
5695 (sweep_pages): Likewise.
5696 (poison_pages): Likewise.
5697 (ggc_print_statistics): Use OBJECT_SIZE.
5699 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5701 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5702 Only call array_size_for_constructor if last field and array type
5703 with no upper bound.
5705 2001-01-04 Philip Blundell <philb@gnu.org>
5707 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5708 from bit 31 downwards, if this requires no more insns.
5709 (count_insns_for_constant): New helper function for above.
5711 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5713 * gencodes.c (output_predicate_decls): Remove empty initializer.
5715 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5717 * tree.c (copy_node): Remove documentation about obstacks.
5718 (buidl1): Check that nobody tries to build 2-argument nodes this
5721 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5723 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5726 * gencodes.c (output_predicate_decls): Fill empty initializer
5729 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5731 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5732 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5734 (do_include): Handle missing headers like cpp0.
5735 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5736 paths with first include pathname. Don't strcat to uninitialized
5739 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5741 * regrename.c (regrename_optimize): Don't rename from frame pointer
5742 if frame_pointer_needed.
5743 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5744 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5745 (ia64_reorg): Use it instead of scheduling if ! optimize.
5746 (errata_emit_nops): Properly call asm_noperands.
5747 (ia64_sched_reorder): Finish cycle if we see an asm.
5748 (ia64_variable_issue): Clear scheduling state after asms.
5750 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5752 * cpp.texi: Update for -MT.
5753 * cppinit.c (initialize_dependency_output): Add a default
5754 target if none has been given already.
5755 (no_tgt, OPT_MT): New.
5756 (cpp_handle_option): Handle -MT. Update -M etc.
5757 * cpplib.h (struct cpp_options): Remove deps_target.
5758 * gcc.c (cpp_options): Handle -MT.
5759 * mkdeps.c (struct deps): Move from mkdeps.h.
5760 (deps_calc_target): Rename deps_add_default_target. Add a
5761 default target if none has been specified already.
5762 * mkdeps.h (struct deps): Move to mkdeps.c.
5763 (deps_calc_target): Rename deps_add_default_target.
5765 2000-01-03 Richard Henderson <rth@redhat.com>
5767 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5769 * c-typeck.c (push_init_level): Move checks for flexible array
5770 members and zero length arrays ...
5771 (pop_init_level): ... here. Silently discard empty initializations.
5773 * varasm.c (output_constructor): Update for sizeof change to
5776 * extend.texi (Zero Length): Clarify semantics.
5778 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5780 * configure.in (tm.h): Include isns-codes.h last.
5781 * configure: Rebuilt.
5783 2001-01-03 Richard Henderson <rth@redhat.com>
5785 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5786 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5788 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5790 * tradcpp.c (main): Make sure finclude() is called with a valid
5791 indepth value while handling -include.
5793 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5795 * gencodes.c (output_predicate_decls): New function.
5797 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5798 even if it is not the first time machmode.h is #included.
5799 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5800 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5801 * gcc.texi (Copyright): Added 2001.
5803 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5805 * c-common.c (c_common_lang_init): New function. Warn if format
5806 warning options which only have effects when used with -Wformat
5807 are used without -Wformat.
5808 * c-common.h (c_common_lang_init): Declare.
5809 * c-lang.c (lang_init): Call c_common_lang_init.
5810 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5812 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5814 * configure.in: Check for the mktemp command.
5815 * configure: Regenerate.
5816 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5817 $TEMP. Create temporary files with mktemp, if available at
5818 configure time; otherwise use set -C. Remove temporary files
5821 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5823 * configure.in: Require at least texinfo 4.0. Check for whether
5824 Pod::Man is sufficiently recent to regenerate GCC manpages.
5825 * configure: Regenerate.
5826 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5828 (GENERATED_MANPAGES): Define.
5829 (generated-manpages): New target. Depend on cpp.1 as well as
5831 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5832 configure to generated-manpages or empty) rather than on the
5833 manpages directly. Remove execute permission from installed
5834 gcov.1 as well as cpp.1.
5835 * cpp.1, gcov.1: Regenerate.
5837 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5839 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5840 tree_low_cst. Allow using cmpstrsi in more cases.
5842 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5844 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5847 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5849 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5850 * Makefile.in (HOST_CFLAGS): Mention build-make.
5852 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5854 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5857 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5859 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5862 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5865 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5866 reg_base_value and reg_known_value arrays.
5867 (init_alias_analysis): Add more cases to detect known values.
5868 * sched-deps.c (deps_may_trap_p): New function.
5869 (sched_analyze_2): Use it.
5871 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5873 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5874 don't discard an ASHIFTRT if we're shifting in a wider mode.
5876 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5878 * toplev.c (rest_of_compilation): Don't print basic block information
5879 when CFG isn't up to date.
5881 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5883 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5884 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5885 (UNALIGNED_SHORT_ASM_OP): Define.
5886 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5888 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5890 * fold-const.c (fold_convert): Fix typo.
5892 2001-01-02 Richard Henderson <rth@redhat.com>
5894 * c-common.h (ASM_INPUT_P): New.
5895 * c-parse.in (asm): Set it when needed.
5896 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5897 existance of an operand.
5899 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5901 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5902 (dwarf2out_frame_debug_expr): Likewise.
5903 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5905 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5907 * i386.c (ix86_split_to_parts): Return number of part required;
5909 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5911 (ix86_split_long_move): Use number of part returned
5912 by ix86_split_to_parts
5913 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5915 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5916 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5917 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5918 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5919 (ALIGN_MODE_128): Add TFmode.
5920 (IS_STACK_MODE): Likewise.
5921 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5922 (HARD_REGNO_OK): Support TFmodes.
5923 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5924 * i386.md (scheduler definitions): Use memory operand to determine
5925 fst/fld instructions; use mode attribute to determine real mode of
5927 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5928 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5930 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5932 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5934 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5936 * expr.c (store_constructor_field): Update ALIGN before calling
5939 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5941 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5944 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5946 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5949 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5951 * c-decl.c (start_function): Don't warn on third parameter to main.
5953 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5955 * tsystem.h: Define HAVE_DECL_GETOPT.
5957 2001-01-02 Philip Blundell <pb@futuretv.com>
5959 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5962 2001-01-02 Richard Henderson <rth@redhat.com>
5964 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5966 2001-01-02 Andreas Jaeger <aj@suse.de>
5968 * c-decl.c (c_decode_option): Remove support of
5971 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5972 (W_options): Add -Wmissing-noreturn here.
5974 * flow.c: Define lang_missing_noreturn_ok_p.
5975 (check_function_return_warnings): Use it.
5977 * c-common.h: Declare lang_missing_noreturn_ok_p.
5979 * c-lang.c (c_missing_noreturn_ok_p): New function.
5980 (lang_init): Set lang_missing_noreturn_ok_p.
5982 * invoke.texi (Warning Options): Document this.
5984 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5986 * extend.texi (C++ Extensions): New node for C++ attributes;
5987 describe init_priority and com_interface.
5988 * invoke.texi: Remove -finit-priority as it now has zero effect.
5989 * install.texi: Fix xref syntax.
5990 * md.texi: Likewise.
5992 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5994 * config.gcc (sparc64-wrs-vxworks*): New case.
5995 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5997 * config/sparc/sparc.c (sparc_override_options): Do support different
5998 pointer and architecture size.
5999 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6000 (POINTERS_EXTEND_UNSIGNED): Define.
6001 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6002 (FUNCTION_MODE): Define to be Pmode.
6003 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6005 * function.c (expand_function_end): Properly handle DECL_RESULT
6006 and copy when ptr_mode != Pmode.
6007 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6009 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6011 * c-common.c (c_common_nodes_and_builtins): Set prototype
6012 parameters for __builtin_fputs, __builtin_fputc and
6013 __builtin_fwrite. Don't declare plain fputc as a builtin.
6015 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6017 * loop.c (add_label_notes): Increment the label usage count when
6018 a note is added to an insn which refers to a CODE_LABEL.
6019 * gcse.c (add_label_notes): Likewise.
6021 2001-01-01 Andreas Jaeger <aj@suse.de>
6023 * loop.c (scan_loop): Use xmalloc to allocate movables.
6025 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6027 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6028 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6029 * reload1.c (REGISTER_MOVE_COST): Likewise.
6030 * regclass.c (REGISTER_MOVE_COST): Likewise.
6031 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6032 dimension. Adjust all users.
6033 (init_reg_sets_1): Iterate on all modes.
6034 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6035 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6036 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6037 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6038 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6039 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6040 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6041 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6042 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6043 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6044 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6045 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6046 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6047 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6048 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6049 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6050 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6051 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6052 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6053 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6054 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6055 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6056 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6057 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6058 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6059 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6060 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6062 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6064 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6065 arg VARIES_P. Call it with extra arg.
6066 (true_dependence): Likewise.
6067 * rtl.h (rtx_addr_can_trap_p): Declare.
6068 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6070 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6071 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6072 pic offset table register if it's zero. All callers changed.
6073 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6075 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6077 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6078 STRING_POOL_ADDRESS_P.
6080 * config/sparc/sparc.c (input_operand): Properly test for short op.
6082 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6083 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6084 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6085 * config/sparc/elf.h: No longer include sol2.h.
6086 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6087 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6089 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6091 2001-01-01 Michael Hayes <mhayes@redhat.com>
6093 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6094 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6095 (record_initial): Likewise.
6096 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6097 (remap_split_bivs): Likewise.
6099 2001-01-01 Michael Hayes <mhayes@redhat.com>
6101 * loop.c (loop_ivs_free): New function.
6102 (strength_reduce): Break out from...
6104 2001-01-01 Michael Hayes <mhayes@redhat.com>
6106 * loop.h (struct iv): New.
6107 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6108 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6109 'reg_biv_class' fields with 'regs' and 'n_regs'.
6110 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6111 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6112 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6114 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6116 * resource.c (mark_referenced_resources): Abort() before
6117 attempting to mark a pseudo register.
6118 (mark_set_resources): Likewise.
6120 2001-01-01 Michael Hayes <mhayes@redhat.com>
6122 * loop.h (REG_IV_CLASS): New accessor macro.
6123 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6124 * unroll.c (REG_IV_CLASS): Likewise.
6126 See ChangeLog.4 for earlier changes.