1 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
4 gcc_AC_C_FLOAT_FORMAT): New macros.
5 * configure.in: Add AC_PROG_CPP after CC tests;
6 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
8 * configure, config.in: Regenerate.
10 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
11 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
12 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
13 config/i370/xm-linux.h, config/i370/xm-oe.h,
14 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
15 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
16 config/pa/xm-linux.h, config/pa/xm-pa.h,
17 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
18 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
19 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
20 config/we32k/xm-we32k.h: Delete.
22 * config/i370/xm-mvs.h, config/m88k/m88k.h,
23 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
24 config/vax/xm-vms.h: Don't define any of:
25 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
27 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
29 * config.gcc: Remove references to deleted files.
30 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
31 FATAL_EXIT_CODE, which is the same between oe and mvs).
33 2001-03-14 DJ Delorie <dj@redhat.com>
34 Vladimir Makarov <vmakarov@redhat.com>
36 * config/i960/i960.c (i960_function_prologue): Compute size of
37 frame according to number of registers actually saved there.
39 2001-03-14 Richard Henderson <rth@redhat.com>
41 * expr.c (emit_move_insn_1): Fix else if around #endif.
43 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
46 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
49 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
51 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
52 (override_options): Parse cmodel string.
53 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
54 * i386.h (TARGET_OPTIONS): Add "cmodel".
55 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
57 (ix86_cmodel_string, ix86_cmodel): Declare.
59 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
62 * i386.h (GENERAL_REG_P): Add missing REG_P.
64 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
66 * configure.in: Use $gcc_cv_as instead of $as.
67 * configure: Regenerated.
69 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
71 * cppfiles.c (stack_include_file): Only increase the include
72 count if we actually process the file properly, as opposed
73 to treating it as length zero. Only call read_include_file
74 if not DO_NOT_REREAD. Handle the -H include file output
76 (read_include_file): Remove now redundant DO_NOT_REREAD check.
77 (cpp_included, find_include_file): Simplify pathnames after
78 remapping them. If remapping, don't use the remapped file
79 name's buffer as our scratch buffer.
80 (cpp_pop_file_buffer): Replace the multiple include macro
81 only if it isn't yet set.
82 (read_name_map): Simplify remapped names when reading in.
83 (remap_filename): Move code to code path that uses it.
84 (_cpp_simplify_pathname): Return the input pointer.
85 * cpphash.h (_cpp_simplify_pathname): Update prototype.
87 2001-03-14 Mark Mitchell <mark@codesourcery.com>
89 * expr.c (expand_expr): Revove bogus conditional.
91 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
93 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
95 2001-03-14 Jakub Jelinek <jakub@redhat.com>
97 * reg-stack.c (stack_result): Unconditionally use
98 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
100 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
102 * expr.c (emit_move_insn_1): Split push of complex value when
103 no suitable push instruction exist.
105 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
108 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
110 * alias.c (handled_component_p, can_address_p): New functions.
111 (get_alias_set): Use them.
113 2001-03-13 Jim Wilson <wilson@redhat.com>
115 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
116 from 80 in try_locals code.
117 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
119 2001-03-13 Zack Weinberg <zackw@stanford.edu>
121 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
122 gcc_AC_C_LONG_LONG): New.
123 * configure.in: Use them. Probe the size of short, int, long,
124 and long long/__int64 if we have them. Move all the AC_C_*
125 checks together, except gcc_AC_C_CHAR_BIT which has to go
126 after AC_CHECK_HEADERS(limits.h).
127 Take hwint.h out of host_xm_file and build_xm_file.
129 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
130 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
131 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
132 Move the HOST_WIDEST_INT setup logic here from system.h.
133 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
135 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
136 is now handled by hwint.h.
138 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
139 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
140 config/ia64/xm-ia64.h: Don't define any of:
141 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
142 HOST_BITS_PER_LONGLONG.
144 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
145 config/h8300/xm-h8300.h, config/mips/iris6.h,
146 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
147 config/sparc/xm-sp64.h: Delete.
148 * config.gcc: Remove references to deleted files.
150 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
151 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
152 * config/i370/xm-linux.h: Clarify floating-point situation in
155 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
157 * cppfiles.c (NO_INCLUDE_PATH): New macro.
158 (find_include_file): Decide here which part of the include
159 chain to start the search. Complain about an empty include
160 chain in all cases apart from an abolsute file name.
161 (_cpp_execute_include): Don't choose the search chain here.
162 Don't call handle_missing_include in the case of an empty
164 (_cpp_compare_file_date): Don't choose the search chain here.
165 * cpplib.c (do_include_next): Move the in-main-file diagnostic
166 here from _cpp_execute_include. Behave like #include if
167 we're in the main file.
169 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
171 * system.h (malloc, realloc, calloc, strdup): Only poison these
172 tokens when IN_GCC is defined.
174 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
176 * i386.md (abs?f expander): Support SSE case.
177 (abd?f_if): Add new "USE"; add splitters.
179 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
181 * cpp.texi (poison): Explain the macro expansion exception.
183 2001-03-13 Jakub Jelinek <jakub@redhat.com>
185 * expr.c (store_expr): Add dont_store_target. If temp is already in
186 target before copying to reg, don't store it into target again.
188 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
190 * cppinternals.texi: Update for file handling.
192 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
194 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
195 2001-02-24 which broke building the Java library.
196 * function.c (identify_blocks): Likewise.
197 (all_blocks): Likewise.
198 * integrate.c (integrate_decl_tree): Likewise.
199 * print-tree.c (print_node): Likewise.
200 * tree.h (BLOCK_NUMBER): Likewise.
201 (struct tree_block): Likewise.
203 2001-03-12 David Edelsohn <edelsohn@gnu.org>
205 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
206 __WCHAR_TYPE__ definition.
207 (WCHAR_TYPE_SIZE): #undef before #define.
209 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
211 * cppfiles.c: Update comments.
212 (destroy_include_file_node): Rename destroy_node.
213 (find_or_create_entry): New function.
214 (open_file, _cpp_fake_include): Use it.
215 (handle_missing_header): New function, broken out of
216 _cpp_execute include. Don't segfault if there is no
217 system or quoted path.
218 (_cpp_execute_include): Use handle_missing_header.
220 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
222 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
223 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
225 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
227 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
228 unless anti_dependence says they are.
229 * alias.c (objects_must_conflict): If neither has a type specified,
232 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
233 David Billinghurst <David.Billinghurst@riotinto.com>
235 * config/mips/iris5.h: Change WCHAR_TYPE to int.
237 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
239 * i386.md (trunctfdf2_2): Rename missnamed pattern.
240 (*_one_bit): Remove type on the match_operand in attributes.
242 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
244 * i386.c: Commit forgotten hunk in previous patch.
245 (regclass_map): Add extended registers.
246 (dbx_register_map): Add missing frame register.
248 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
250 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
252 * i386.md (x86_sahf_1): Disable for 64bit.
253 (popsi*, pophi*): Likewise.
254 (pushqi, pushhi): Likewise.
255 (movdi, pushdi): Likewise.
256 (zero extend DImode splitter): Likewise.
257 (adddi, minusdi splitter): Likewise.
258 (umulsidi): Likewise.
260 (mulsidi): Disable for 64bit
261 (lshift:DI/ashift:DI): Disable for 64bit.
262 (loop patterns): Likewise.
263 (call_pop, call_value_pop expanders and patterns): Likewise.
264 (prologue_get_pc): Likewise.
266 (fcmovDI pattern and splitter): Likewise.
267 (movdfcc_1_rex64): New.
269 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
271 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
272 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
273 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
274 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
275 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
276 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
277 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
278 (PUSH_ROUNDING): x86_64 rounds to 64bits.
279 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
280 (REGPARM_MAX): Set to 6 for x86_64.
281 (SSE_REGPARM_MAX): Set to 16 for x86_64.
282 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
285 * (patterns that does use upper halves): Update constraints
286 'q' to 'Q' and 'r' to 'R'.
287 (cmpqi_ext_1): Disable for 64bit.
288 (cmpqi_ext_3_insn): Likewise.
289 (movqi_extzv_1): Likewsie.
290 (addqi_ext_1): Liekwsie
291 (testqi_ext_1): Liekwsie
292 (andqi_ext_1): Liekwsie
293 (xorqi_ext_1): Liekwsie
294 (cmpqi_ext_1_rex64): New.
295 (cmpqi_ext_3_insn_rex64): Likewise.
296 (movqi_extzv_1_rex64): Likewsie.
297 (addqi_ext_1_rex64): Liekwsie
298 (testqi_ext_1_rex64): Liekwsie
299 (andqi_ext_1_rex64): Liekwsie
300 (xorqi_ext_1_rex64): Liekwsie
302 2001-03-11 Zack Weinberg <zackw@stanford.edu>
304 * configure.in: Move check for unsigned enumerated bitfields
305 to macro in aclocal.m4. Disable it for now.
306 * configure, config.in: Regenerate.
307 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
308 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
309 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
310 kind above its first use.
312 * config/xm-interix.h, config/alpha/xm-alpha.h,
313 config/i370/xm-linux.h, config/i386/xm-beos.h,
314 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
315 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
316 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
317 Don't define ONLY_INT_FIELDS under any circumstances.
319 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
321 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
322 config/sparc/xm-sysv4.h: Delete - now identical with some
324 * config.gcc (hppa targets): Replace xm-pahpux.h and
325 xm-papro.h with implicit xm-pa.h.
326 (sparc targets): Replace xm-sysv4.h with implicit or explicit
329 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
331 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
332 before reload_cse_noop_set_p.
334 2001-03-11 Zack Weinberg <zackw@stanford.edu>
336 * config.gcc: Where xm-host.h used to include another
337 xm-host.h, list the nested header directly in xm_file. Remove
338 references to deleted files. Can now use sparc/xm-sp64.h for
341 * config/xm-linux.h, config/arm/xm-linux.h,
342 config/i386/xm-dos.h, config/i386/xm-gnu.h,
343 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
344 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
345 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
346 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
349 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
350 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
351 bother to wrap #undef in #ifdef.
352 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
353 Don't include xm-linux.h.
354 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
356 * configure.in: Wrap regexps using [] in changequote block.
357 Use expr : not echo | grep. Simplify regexps.
358 * configure: Regenerate.
360 56 xm-files remain, 22 xm-arch.
362 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
364 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
365 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
366 (local_index, local_rindex): Delete, use strchr/strrchr instead.
367 (copy_object): Fix format specifier vs argument mismatch.
369 * mips-tdump.c: Make local functions static.
370 (rindex): Don't #undef.
371 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
372 (fatal, fancy_abort): Delete.
373 (read_seek): Avoid signed/unsigned compare.
375 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
377 * combine.c (try_combine): Fix error in change to try original
379 (gen_rtx_combine): Do same as gen_rtx for now.
381 2001-03-11 Zack Weinberg <zackw@stanford.edu>
383 * configure.in: AC_SUBST xm_defines.
384 * configure: Regenerate.
385 * Makefile.in: Set DEFINES=$(xm_defines) when building
388 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
390 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
391 (cpp_included, find_include_file): Update.
392 (_cpp_compare_file_date): Make else unconditional.
394 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
396 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
398 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
400 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
401 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
403 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
405 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
406 if it's a record type.
408 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
410 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
411 mingw includes slightly.
413 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
415 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
416 #undef token before poisoning it.
418 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
420 * alpha.c (check_float_value): Use memcpy, not bcopy.
422 * m32r.c (m32r_sched_reorder): Likewise.
424 * vax.c (check_float_value): Likewise.
426 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
428 * toplev.c (file_name_nondirectory): Remove.
429 * toplev.h: Similarly.
430 * dwarf2out.c (compute_section_prefix): Use lbasename instead
431 of file_name_nondirectory.
433 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
435 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
436 * mips-tfile.c: Don't #undef rindex; not used.
438 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
440 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
441 (dbx64_register_map): Declare.
442 (RETURN_ADDR_RTX): Fix for 64bit.
443 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
444 (INCOMING_FRAME_SP_OFFSET): Set to 8.
445 * i386.c (dbx64_register_map): New global array.
446 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
447 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
450 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
452 * cppfiles.c (search_from): Use lbasename.
453 * mkdeps.c (deps_add_default_target): Use lbasename.
455 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
457 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
458 xcalloc in lieu of malloc, realloc & calloc.
460 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
462 * gengenrtl.c (xmalloc): Likewise.
464 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
465 really_call_* memory allocation routines.
467 * stmt.c (check_for_full_enumeration_handling): Use
468 really_call_calloc, not calloc.
470 * system.h (really_call_malloc, really_call_calloc,
471 really_call_realloc): Define.
472 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
474 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
476 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
478 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
480 * configure: Rebuilt.
481 * configure.in: Only use `lang_requires' for languages athat are
484 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
486 * invoke.texi: Fix typo.
489 2001-03-09 Zack Weinberg <zackw@stanford.edu>
491 * configure.in: Prune nonexistent files from build_xm_file,
492 xm_file, and host_xm_file lists. Warn unless they're
494 Don't generate *config.h here.
495 AC_SUBST all variables needed to generate *config.h.
496 * configure: Regenerate.
497 * mkconfig.sh: New helper script, from code removed from
499 * Makefile.in: Zap all MALLOC variables - no longer used
500 anywhere, and malloc.c doesn't exist.
501 Substitute in variables needed to generate *config.h.
502 Stop lying about the dependencies contained in CONFIG_H and
504 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
505 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
506 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
507 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
508 $(TM_P_H), etc. as appropriate.
510 * config.gcc: Zap references to deleted files.
511 * ggc-none.c: Don't include rtl.h or tm_p.h.
513 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
514 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
515 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
516 config/i386/xm-linux.h, config/i386/xm-linux.h,
517 config/i386/xm-next.h, config/i386/xm-openbsd.h,
518 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
519 Don't include i386/xm-i386.h.
521 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
522 config/i386/xm-i386.h, config/i860/xm-i860.h,
523 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
524 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
525 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
526 Delete (empty except comments, #includes of other deleted
527 files, and macros used nowhere).
529 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
531 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
532 independent on TARGET_FLAGS.
534 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
536 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
538 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
540 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
542 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
543 LAST_REX_SSE_REG): define.
544 (enum reg_class): Add 'LEGACY_REGS'
545 (REG_CLASS_CONTENTS): Likewise; add extended registers.
546 (SSE_REGNO_P): Recognize extended registers.
547 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
548 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
549 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
550 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
551 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
552 REG_OK_FOR_STRREG_P): Remove.
553 (HI_REGISTER_NAMES): Add extended registers.
554 (ADDITIONAL_REGISTER_NAMES): Likewise.
555 (QI_REGISTER_NAMES): Add 8bit extended registers.
556 (DEBUG_REG): Support extended registers.
557 * i386.c (regclass_map): Add extended registers.
558 (dbx_register-map): Likewise.
559 (svr4_dbx_register_map): Likewise.
560 (print_reg): Support extended registers.
561 (print_operand): Support 64bit operands.
563 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
565 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
566 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
567 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
568 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
569 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
570 STACK_BOUNDARY): Set properly for 64bits.
571 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
572 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
573 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
574 (MOVE_MAX): Set to 16.
575 (MOVE_MAX_PIECES): 8 for 64bit.
576 (Pmode): Set to SImode.
578 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
580 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
582 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
584 * i386.h (mask_64bit): New constant.
585 (target_64bit): New macro.
586 (target_options): Add '64'/'32'
587 (target_default): Define.
588 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
589 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
590 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
592 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
594 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
596 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
598 * rtlanal.c (rtx_varies_p): Check operand 0 of a
599 LO_SUM unless for_alias is set.
601 2001-03-08 Stan Shebs <shebs@apple.com>
603 * objc/objc-act.c: Fix old typos in comments, add comments for
605 (hash_init): Fix file name in error message.
607 (hash_add_attr): Ditto.
608 (continue_class): Ditto.
610 2001-03-08 Bruce Korb <bkorb@gnu.org>
612 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
613 wait4() can receive the signal.
615 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
617 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
619 * fixinc/fixincl.x: Regenerate.
621 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
623 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
625 * fixinc/fixincl.x: Regenerate.
627 2001-03-08 Richard Henderson <rth@redhat.com>
629 * configure.in (HAVE_AS_LEB128): New assembler check.
630 * configure, config.in: Rebuilt.
632 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
634 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
637 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
639 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
640 references to the MAXPATHLEN macro.
642 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
643 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
646 * config/i386/xm-gnu.h, config/xm-gnu.h,
647 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
648 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
649 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
652 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
653 doing so in various xm-*.h files.
655 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
657 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
659 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
661 * configure.in (enable_shared): Support per-package shared-library
663 * configure: Rebuilt.
665 2001-03-07 David Edelsohn <edelsohn@gnu.org>
667 * rs6000.md (cr logic): Add original POWER mnemonic alternative
668 for crnot. Set operands[5] in splitter.
670 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
672 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
673 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
674 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
675 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
676 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
677 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
678 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
681 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
682 config/i370/xm-i370.h, config/i386/xm-dgux.h,
683 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
684 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
685 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
686 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
687 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
688 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
689 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
690 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
691 Delete unused and/or empty files.
693 * config.gcc: Define USG in xm_defines as appropriate. Define
694 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
695 macro. Remove deleted xm-* files from $xm_files variable.
697 2001-03-07 Tom Tromey <tromey@redhat.com>
699 * configure: Rebuilt.
700 * configure.in: Allow config-lang.in to set `lang_requires' to list
701 of other required languages.
703 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
705 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
707 (output_prologue): Use xmalloc not oballoc.
708 (output_epilog): Free a29k_first_epilogue_insn when finished.
709 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
711 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
713 * builtins.c (expand_builtin_mathfn): Check
714 flag_unsafe_math_optimizations, not flag_fast_math.
715 (expand_builtin): Likewise
716 * combine.c (combine_simplify_rtx): Likewise.
717 (simplify_if_then_else): Likewise.
718 * cse.c (fold_rtx): Likewise.
719 * flags.h: Remove flag_fast_math. Add
720 flag_unsafe_math_optimizations and flag_trapping_math.
721 * fold-const.c (negate_expr): Check
722 flag_unsafe_math_optimizations, not flag_fast_math.
723 (invert_truthvalue): Likewise.
724 (fold): Likewise. Before associating operands, check that
725 code == MULT_EXPR, not code != MULT_EXPR.
726 * ifcvt.c (noce_try_minmax): Check
727 flag_unsafe_math_optimizations, not flag_fast_math.
728 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
729 * invoke.texi: Document -funsafe-math-optimizations and
730 -fno-trapping-math. Change documentation for -ffast-math.
731 * jump.c (reversed_comparison_code_parts): Likewise.
732 (rtx_equal_for_thread_p): Likewise.
733 * optabs.c (emit_conditional_move): Likewise.
734 * simplify-rtx.c (simplify_binary_operation): Likewise.
735 (simplify_relational_operation): Likewise.
736 (simplify_ternary_operation): Likewise.
737 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
738 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
739 Add trapping-math and unsafe-math-optimizations entries to f_options.
740 (set_fast_math_flags): New, sets flags for -ffast-math.
741 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
742 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
743 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
745 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
746 (alpha_emit_conditional_move): Initialize local_fast_math to
747 flag_unsafe_math_optimizations, not flat_fast_math.
748 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
749 instead of setting flag_fast_math to 1.
750 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
752 * config/i386/i386.c (override_options): Likewise
753 * config/i386/i386.md: Likewise.
754 * config/m68k/m68k.md: Likewise.
755 * config/mips/mips.md: Likewise.
756 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
757 (rs6000_generate_compare): Likewise.
759 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
761 * Makefile.in: Set RANLIB to @RANLIB@.
764 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
766 * fixinc/inclhack.def (djgpp_wchar_h): New test.
767 * fixinc/fixincl.x: Regenerated.
769 2001-03-07 Richard Henderson <rth@redhat.com>
771 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
773 2001-03-07 Richard Henderson <rth@redhat.com>
775 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
776 of block notes and exception handling notes.
778 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
779 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
780 (compile_file): ... here.
782 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
784 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
786 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
787 config.h now. Include libiberty.h to handle alloca.
789 2001-03-06 Zack Weinberg <zackw@stanford.edu>
791 * c-parse.in (yylexname): New function, split out of _yylex.
792 (objc_rid_sans_at): New table.
793 (init_reswords): Initialize it.
794 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
795 retrieving the next token and checking it for significance as
796 an ObjC keyword or string constant.
798 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
799 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
801 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
804 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
806 * config/m68k/m68k.c (const_uint32_operand): Accept any
807 const_int on a 32-bit host.
809 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
811 * objc/objc-act.c (init_objc): Set save_lang_status,
812 restore_lang_status, and mark_lang_status.
814 2001-03-06 Krister Walfridsson <cato@df.lth.se>
816 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
818 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
820 * cppinternals.texi: Update.
822 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
824 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
825 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
826 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
827 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
828 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
829 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
830 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
831 config/i386/xm-i386.h, config/i860/xm-i860.h,
832 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
833 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
834 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
835 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
836 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
837 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
838 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
839 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
840 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
841 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
842 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
843 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
844 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
845 match the defaults provided in hwint.h.
847 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
848 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
850 * config.gcc (xm_file): Don't set to files which are deleted.
852 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
853 guard this file against these macros being undefined.
855 2001-03-06 Zack Weinberg <zackw@stanford.edu>
857 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
858 and DECL_DEFER_OUTPUT on the decl we create, before calling
859 rest_of_decl_compilation.
861 2001-03-06 Zack Weinberg <zackw@stanford.edu>
863 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
865 * configure, config.in: Regenerate.
866 * config.gcc: Remove references to deleted files.
868 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
869 genrecog.c, rtl.c: Do not use alloca anywhere.
871 * Makefile.in, build-make, system.h, config/x-interix,
872 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
873 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
874 config/arc/xm-arc.h, config/arm/xm-arm.h,
875 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
876 config/h8300/xm-h8300.h, config/i370/x-oe,
877 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
878 config/i386/x-ncr3000, config/i386/x-sco5,
879 config/i386/xm-dgux.h, config/i860/x-sysv4,
880 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
881 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
882 config/m68k/x-hp320g, config/m69k/x-mot3300,
883 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
884 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
885 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
886 config/m88k/x-sysv4, config/m88k/x-tekXD88,
887 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
888 config/mips/x-iris, config/mips/x-iris3,
889 config/mips/x-sni-svr4, config/mips/x-sysv,
890 config/mips/xm-iris6.h, config/mips/xm-mips.h,
891 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
892 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
893 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
894 config/pa/xm-papro.h, config/romp/xm-romp.h,
895 config/rs6000/x-aix31, config/rs6000/x-aix41,
896 config/rs6000/x-beos, config/rs6000/x-lynx,
897 config/rs6000/x-mach, config/rs6000/x-rs6000,
898 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
899 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
900 config/sparc/x-sysv4, config/sparc/xm-linux.h,
901 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
902 config/vax/xm-vms.h: Eradicate all references to alloca and
905 * config/xm-alloca.h, config/clipper/x-clix,
906 config/i386/xm-sysv4.h, config/i860/x-fx2800,
907 config/i860/x-sysv3, config/m88k/x-sysv3,
908 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
909 (contained only alloca related hacks).
911 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
914 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
916 * invoke.texi: Document __FAST_MATH__.
918 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
920 * crtstuff.c: Restore include of auto-host.h.
922 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
924 Put main() in a separate file, so that the language
925 front-end can use a different main().
928 * toplev.c: (main): Rename as toplev_main.
929 * toplev.h: Declare toplev_main.
930 * Makefile.in (OBJS): add toplev.o.
931 (BACKEND): remove toplev.o, add main.o.
933 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
935 * cppfiles.c (search_from): Special case the empty string.
937 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
939 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
940 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
941 strlen or strcpy; we already know the length.
942 (_cpp_compare_file_date): Similarly.
943 * cpphash.h (struct cpp_reader): Delete done_initialising.
944 (CPP_PREV_BUFFER): Delete.
945 * cppinit.c (cpp_start_read): Don't set done_initialising.
946 * cpplex.c (parse_string): Guarantee null-termination.
947 (_cpp_equiv_toklists): Remove.
948 * cpplib.c (glue_header_name): Null-terminate.
949 (do_line): Don't leak memory.
950 * cpplib.h (BT_WEAK): Delete.
951 * cppmain.c (cb_ident): Strings are now null-terminated.
953 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
955 * gcc.c (convert_filename): Append executable suffix
956 if NO_AUTO_EXE_SUFFIX is not defined.
957 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
958 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
960 2001-03-03 David O'Brien <obrien@FreeBSD.org>
962 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
963 * c-parse.gperf, c-gperf.h: Delete.
964 (c-gperf.h was accidently re-added to the CVS repo in the rev
965 1.16 commit by tromey)
967 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
969 * cpplex.c (_cpp_lex_token): Don't warn about directives in
970 macro arguments when looking for the '('.
971 * cppmacro.c (funlike_invocation_p): Set parsing_args to
972 2 when really parsing arguments; 1 when looking for '('.
973 Always restore the lexer position.
975 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
977 * longlong.h (umul_ppmm): Don't use a multiline string.
979 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
981 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
982 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
983 t_bool in declaration because pcc can't combine volatile with typedef
986 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
988 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
989 until when it is really needed.
990 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
991 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
992 * i386.md (float?i?f splitter): Don't force source operand to memory
994 (sse_movdfcc): Fix constraint.
995 (sse_movdfcc splitter): Handle properly the second alternative.
997 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
999 * cpplex.c (parse_string): Unconditionally pedwarn.
1001 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1004 * cppexp.c (parse_number): Update.
1005 * cpplex.c (parse_string): Pedwarn if multiline string does not
1006 result from a system header's macro.
1007 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1008 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1009 for function-like macros too.
1010 * c-lex.c (lex_number): Update.
1012 2001-03-03 Richard Henderson <rth@redhat.com>
1014 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1016 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1018 * combine.c (try_combine): If split with mode-changed scratch
1019 register didn't work, try the original mode.
1021 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1023 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1024 * config/c4x/c4x.h: Likewise.
1025 * stor-layout.c (compute_record_mode): Likewise.
1026 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1028 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1030 * configure.in: Kill tm.h. Include the files in the $tm_file
1031 list in all three of config.h, hconfig.h, tconfig.h, after the
1032 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1033 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1034 * configure: Regenerate.
1035 * Makefile.in (clean): Don't delete tm.h.
1037 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1038 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1039 those are not defined, set SEC and FEC to 0 and 1.
1040 * gcc.texi: Update to match.
1042 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1043 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1044 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1045 Include tconfig.h, not tm.h.
1047 * config/xm-lynx.h, config/xm-std32.h,
1048 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1049 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1050 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1051 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1052 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1053 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1054 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1055 config/i386/xm-i386.h, config/i860/xm-i860.h,
1056 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1057 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1058 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1059 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1060 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1061 config/pa/xm-linux.h, config/pa/xm-pa.h,
1062 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1063 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1064 config/pj/xm-pj.h, config/romp/xm-romp.h,
1065 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1066 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1067 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1068 config/v850/xm-v850.h, config/vax/xm-vax.h,
1069 config/we32k/xm-we32k.h:
1071 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1073 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1074 config/i370/xm-oe.h: Don't include tm.h. Don't define
1076 * config/vax/xm-vms.h: Don't include tm.h.
1078 * config/xm-lynx.h, config/avr/xm-avr.h,
1079 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1080 Delete; made empty by above changes.
1081 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1082 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1083 Don't include config/xm-lynx.h or tm.h.
1085 * config/xm-gnu.h: Don't include fcntl.h.
1086 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1088 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1090 2001-03-02 Richard Henderson <rth@redhat.com>
1092 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1093 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1095 2001-03-02 Richard Henderson <rth@redhat.com>
1097 * Makefile.in (OBJS): Add dwarf2asm.o.
1098 * dwarf2asm.c, dwarf2asm.h: New files.
1099 * dwarf2out.c (*): Use them.
1100 (size_of_uleb128, size_of_sleb128): Remove.
1101 (output_uleb128, output_sleb128): Remove.
1102 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1103 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1104 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1105 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1106 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1107 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1108 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1109 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1110 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1111 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1112 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1113 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1114 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1115 (dwarf2out_frame_debug): Remove unused variables.
1116 (output_loc_operands): Don't abort on 8 byte constants if
1117 host integers are wide enough.
1118 (output_symbolic_ref): Remove.
1119 (size_of_die): Don't assume 4 byte host integers.
1120 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1122 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1123 something stupid with HOST_WIDE_INT to long truncation.
1124 [CONST_DOUBLE]: Likewise.
1126 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1127 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1128 * config/arm/unknown-elf.h: Likewise.
1129 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1130 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1131 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1132 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1133 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1134 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1135 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1136 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1137 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1138 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1139 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1140 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1142 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1144 * cselib.c (hash_rtx): Cast enums to unsigned int.
1146 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1148 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1149 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1151 * c-format.c (C_STD_VER): Cast to int for comparisons.
1152 (check_function_format): Cast various enums to int for &.
1153 (maybe_read_dollar_number): Likewise.
1154 (check_format_info): Likewise.
1155 (check_format_info_main): Likewise.
1156 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1157 (safe_from_p): Likewise.
1158 * varasm.c (const_hash): Cast enum to int for %.
1159 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1160 pcc enum problems with < and ++ operators.
1161 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1162 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1163 (regclass_init): Change enum class to int to iterate over reg_classes.
1164 * genrecog.c (merge_trees): Cast enums for comparison.
1165 * rtl.h (GET_CODE): Cast to enum rtx_code.
1166 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1167 (GET_MODE): Cast to enum machine_mode.
1168 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1169 (GET_NOTE_INSN_NAME): Cast enum to int.
1170 * tree.h (TREE_CODE): Cast to enum tree_code.
1171 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1172 * timevar.c (timevar_print): Change loop variable id from enum to
1174 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1175 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1176 * toplev.c (compile_file): Cast enum DFI to int.
1177 (decode_d_option): Likewise.
1179 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1181 * cppinit.c (append_include_chain): Mark "after" include file name list
1182 as a system directory.
1183 * cpp.texi: Document new behavior.
1185 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1187 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1189 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1191 * cppfiles.c (struct include_file): Update.
1192 (stack_include_file): Use search_from.
1193 (cpp_included, find_include_file): Update.
1194 (cpp_execute_include): Update. ptr->name may not be
1195 null terminated. Use the new search_from member variable
1197 (_cpp_compare_file_date): Similarly.
1198 (search_from): New function, similiar to actual_directory.
1199 (actual_directory): Delete.
1200 (remap_filename): Update. loc->name may not be null terminated.
1201 (struct file_name_list): Rename search_path. Update.
1202 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1203 search_from and dir.
1204 (struct cpp_reader): Remove actual_dirs.
1205 * cppinit.c (struct cpp_pending): Update for renamed objects.
1206 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1207 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1208 * cpplib.h (struct cpp_options): Similarly.
1210 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1212 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1213 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1214 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1215 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1216 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1217 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1218 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1219 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1220 config/i370/xm-oe.h, config/i386/xm-aix.h,
1221 config/i386/xm-i386.h, config/i386/xm-osf.h,
1222 config/i860/xm-i860.h, config/i960/xm-i960.h,
1223 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1224 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1225 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1226 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1227 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1228 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1229 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1230 config/pj/xm-pj.h, config/romp/xm-romp.h,
1231 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1232 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1233 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1234 config/v850/xm-v850.h, config/vax/xm-vax.h,
1235 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1236 Do not define TRUE or FALSE.
1238 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1239 empty by above change.
1240 * config.gcc: Remove references to these files.
1242 * configure.in: Detect stdbool.h.
1243 * configure, config.in: Regenerate.
1244 * system.h: Include stddef.h here if available.
1245 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1246 Then set up a sensible boolean type at the very end.
1248 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1249 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1251 * hash.h: Delete 'boolean' typedef and related #undefs.
1253 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1254 all uses of 'boolean' with 'bool'.
1256 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1258 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1259 * cppexp.c (lex): Cast enums for comparison.
1260 * cppinit.c (parse_option): Cast enum for comparison.
1261 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1262 (cpp_output_token): Likewise.
1263 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1264 (cpp_avoid_paste): Cast enums for minus and comparison.
1266 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1268 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1269 field to all array elements.
1271 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1273 * cpphash.h (struct cpp_reader): Add print_version field.
1274 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1275 just set print_version and other flags as appropriate.
1276 (cpp_post_options): Print version here if print_version is set.
1278 * toplev.c (exit_after_options): New flag.
1279 (independent_decode_option): Don't exit here; just set
1281 (main): Exit after calling lang_hooks.post_options if
1282 exit_after_options is true.
1284 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1285 (merge_include_chains): Adjust comment to match code.
1287 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1289 * stringpool.c (set_identifier): New function.
1290 * tree.h: Prototype it.
1292 * c-parse.in: Kill D_YES. If compiled for objc, call
1293 save_and_forget_protocol_qualifiers from init_reswords.
1294 * objc/objc-act.c (remember_protocol_qualifiers,
1295 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1296 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1298 (save_and_forget_protocol_qualifiers): New function.
1299 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1301 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1303 * c-semantics.c (prune_unused_decls): Return error_mark_node
1304 instead of (tree) 1 to stop traversing the tree chain.
1306 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1308 Fix a problem introduced by Kenner's Feb 18 change.
1309 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1310 flag_cse_skip_blocks only temporarily, not for ever.
1312 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1314 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1315 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1317 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1318 before determining its register class.
1320 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1322 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1323 from reg 4 if current_function_calls_setjmp.
1324 (gen_nop_type): New function.
1325 (ia64_emit_nops): New function.
1326 (ia64_reorg): Call it.
1327 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1329 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1330 code not to try to optimize adds with anything but a REG destination.
1332 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1333 (INSN_PRIORITY_KNOWN): New accessor macro.
1334 * haifa-sched.c (priority): Use it instead of testing priority against
1337 2001-02-28 DJ Delorie <dj@redhat.com>
1339 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1340 since that doesn't work the way gcc wants on a generic m68k.
1342 2001-02-28 Richard Henderson <rth@redhat.com>
1344 * caller-save.c (save_call_clobbered_regs): Fix typo in
1345 comparison last change.
1347 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1349 * i386.c (pentium4_cost): New.
1350 (m_PENT4): New macro.
1351 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1352 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1353 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1354 x86_memory_mismatch_stall): Add Pentium4
1355 (x86_use_q_reg, x86_use_any_reg): Kill.
1356 (override_options): Add pentium4.
1357 (incdec_operand): Return 0 for pentium4.
1358 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1359 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1360 (TARGET_PENTIUM4): Define.
1361 (enum processor_type): Add PROCESSOR_PENTIUM4.
1362 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1363 * i386.md (attribute "cpu"): Add pentium4.
1364 * invoke.texi (march): Add pentium4.
1366 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1368 * i386.md (sse_mov?fcc*): New patterns and splitters.
1369 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1370 the SSE based conditional moves.
1372 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1374 * i386.md (attribute mode): Add "TI".
1375 (movsf_1): Add pxor support; remove constant propagation splitter.
1376 (movdf_integer): Likewise.
1377 (movdf_nointeger): Likewise.
1378 (movxf constant prop splitter): Handle all modes; update for SSE.
1379 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1380 * i386.c (standard_80387_constant_p): Rewrite.
1381 (standard_sse_constant_p): New.
1382 * i386-protos.h (standard_sse_constant_p): New.
1384 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1386 * i386.md (sse_setccsf, sse_setccdf): New.
1387 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1389 * i386.c (sse_comparison_operator): Accept the supported unordered
1390 comparses; be ready for fast_math.
1391 (print_operand): Support 'D'.
1393 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1395 * jump.c (reversed_comparison_code): Kill.
1397 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1399 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1402 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1404 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1405 add missing '%' in constraints.
1407 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1409 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1410 for HOST_BITS_PER_WIDE_INT == 32 too.
1412 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1414 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1416 (insert_save, insert_restore): New parameter save_mode.
1417 (init_caller_save): Update initialization of reg_save_code
1418 and reg_restore_code.
1419 (save_call_clobbered_regs): Compute save_modes and update calls to
1420 reg_save_code and reg_restore_code.
1421 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1422 of spill; update use of reg_restore_code.
1423 (insert_save): Likewise.
1424 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1425 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1426 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1428 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1430 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1431 noce_try_store_flag_inc, noce_try_store_flag_mask,
1432 noce_try_cmove_arith):
1433 Use reversed_comparison_code instead of reverse_comparison and
1434 can_reverse_comparison_p.
1436 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1438 * jump.c (reversed_comparison_code_parts): Allow reversal of
1439 unordered compares in -ffast-math mode; reverse ordered compares
1440 for FP even w/o -ffast-math.
1442 2001-02-27 Richard Henderson <rth@redhat.com>
1444 * print-rtl.c (print_rtx) [i]: Don't print field five on
1445 NOTEs other than NOTE_INSN_DELETED_LABEL.
1447 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1449 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1450 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1452 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1454 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1455 even if walk_subtrees is 0.
1456 * c-semantics.c (prune_unused_decls): Return a non-null value to
1457 stop traversing the tree chain.
1459 2001-02-27 DJ Delorie <dj@redhat.com>
1461 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1462 register, *then* define it as the new CFA.
1464 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1466 * pa.c (override_options): Promote -fpic to -fPIC.
1467 (legitimize_pic_address): Simplify due to removal of
1468 small PIC as a code generation option.
1469 (secondary_reload_class): Similarly.
1470 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1471 (PRINT_OPERAND_ADDRESS): Similarly.
1472 * pa.md (various patterns): Similarly.
1473 (small pic lo_sum pattern): Remove.
1475 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1478 * md.texi (min, max): Document
1480 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1482 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1483 TARGET_PARTIAL_REG_DEPENDENCY.
1484 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1486 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1488 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1490 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1492 * mips.c (mips_make_temp_file): Fix thinko in last change.
1494 2001-02-26 Jason Eckhardt <jle@redhat.com>
1496 * combine.c (known_cond): Do not reverse the condition when
1497 SMAX/UMAX is being considered and the condition is for equality
1500 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1502 2001-02-26 Philip Blundell <philb@gnu.org>
1504 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1506 * config/arm/linux-elf.h: Remove historical relics related to
1507 above configurations.
1508 * config/arm/linux-oldld.h: Delete.
1509 * config/arm/linux-elf26.h: Delete.
1511 2001-02-26 Jason Merrill <jason@redhat.com>
1513 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1515 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1516 recognize a tentative definition. Lose obsolete code.
1518 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1519 variables unless necessary, either.
1521 2001-02-25 Richard Henderson <rth@redhat.com>
1523 * ifcvt.c (struct noce_if_info): Add test_bb.
1524 (noce_get_alt_condition): New.
1525 (noce_try_minmax, noce_try_abs): New.
1526 (noce_operand_ok): New.
1527 (noce_process_if_block): Use them.
1528 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1530 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1532 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1535 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1537 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1538 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1540 (mips_asm_file_end): Free temp_filename here.
1542 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1544 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1545 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1547 * config/i386/i386.md (movstrsi): Handle FAIL case.
1549 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1551 * cppinit.c (builtin_array): Update.
1552 (init_builtins): Flag builtins to warn if redefined or
1553 undefined. Define __GXX_WEAK as a normal macro.
1554 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1555 * cpplib.h (NODE_WARN): New flag.
1556 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1557 Handle __STDC__ as a builtin only on Solaris.
1558 (warn_of_redefinition): Renamed from check_macro_definition.
1559 Reverse sense of test. Always warn if NODE_WARN.
1560 (_cpp_create_definition): Use warn_of_redefinition. Flag
1561 any macro beginning with "__STDC_" to require a mandatory
1562 warning if redefined or undefined.
1564 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1566 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1567 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1568 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1569 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1570 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1571 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1572 Don't define any of:
1573 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1574 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1575 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1576 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1577 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1579 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1580 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1583 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1584 Delete now-empty file.
1586 * alpha/vms.h: Define NEED_ATEXIT here...
1587 * alpha/xm-vms.h: ...not here.
1589 * i386/cygwin.h: Don't define PARAMS.
1590 * mips/mips.c: Don't prototype mktemp. Don't define
1591 P_tmpdir. Use make_temp_file to create temporary files.
1592 Don't be clever and delete temporary files early.
1593 * config.gcc: Drop references to deleted files. Don't define
1595 * gcc.texi: Don't mention USE_PROTOTYPES.
1597 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1599 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1600 (ix86_set_move_mem_attrs_1): Likewise.
1601 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1602 * config/i386/i386.md (movstrsi): Call it.
1604 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1606 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1607 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1608 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1609 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1611 (i750a-*-*): Error here if hosting on i750a.
1612 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1614 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1615 Remove (empty modulo comments).
1617 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1618 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1619 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1620 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1621 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1622 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1624 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1625 Remove reference to winnt.h in comment.
1626 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1628 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1630 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1631 used to set another biv.
1633 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1635 * tree.h (BLOCK_DEAD): New macro.
1636 (struct tree_block): New flag, dead_flag.
1637 * print-tree.c (print_node, case 'b'): Print missing fields.
1638 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1639 * function.c (identify_blocks): Enable test for misplaced notes.
1640 (all_blocks): Skip BLOCK_DEAD blocks.
1641 * integrate.c (integrate_decl_tree): Likewise.
1643 * errors.c (internal_error, trim_filename): New functions.
1644 (fancy_abort): Call internal_error.
1645 * errors.h (internal_error, trim_filename): New declarations.
1647 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1649 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1651 (EXTRA_CONSTRAINT): Formatting changes.
1653 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1655 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1657 2001-02-23 Per Bothner <per@bothner.com>
1659 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1660 so they can be called from java/jvspec.c.
1661 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1663 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1665 * i386.c (ix86_frame): New structure.
1666 (ix86_compute_frame_size): Kill.
1667 (ix86_compute_frame_layout): New.
1668 (ix86_save_reg): New.
1669 (ix86_can_use_return_insn_p): Use frame layout stuff.
1670 (ix86_expand_prologue): Likewise.
1671 (ix86_expand_epilogue): Likewise.
1672 (ix86_initial_elimination_offset): Likewise.
1673 (ix86_nsaved_regs): Use ix86_save_reg.
1674 (ix86_emit_save_regs): Likewise.
1676 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1678 * flow.c (find_sub_basic_blocks): New function.
1679 (split_block): Be ready for basic block introduced by CODE_LABEL.
1680 (commit_one_edge_insertion): Call find_sub_basic_block.
1682 * flow.c (make_edges): Add edge from entry for blocks starting with
1683 label having ALTERNATE_NAME
1685 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1687 * function.c (epilogue_done): Be ready for first basic block not
1688 containing PROLOGUE_END note.
1689 (reposition_prologue_and_epilogue_notes): Avoid placing
1690 PROLOGUE_END note between BASIC_BLOCK.
1692 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1694 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1696 2001-02-21 DJ Delorie <dj@redhat.com>
1698 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1699 check for current_function_has_nonlocal_goto from 1999-11-12.
1701 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1703 * diagnostic.c (trim_filename): No longer static.
1704 * toplev.h (trim_filename): Declare.
1705 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1706 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1707 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1708 (rtvec_check_failed_bounds): Likewise.
1709 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1711 * convert.c (convert_to_integer): Don't do unsigned unless result or
1712 both inputs are unsigned.
1714 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1717 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1719 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1721 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1723 * Makefile.in (resource.o): Add params.h dependence.
1724 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1725 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1726 * resource.c: Add dependence on params.h.
1727 (current_live_regs): Fix explanatory comment.
1728 (find_basic_block): Add new parameter to permit limiting search
1730 (mark_target_live_regs): Add new argument to find_basic_block call.
1731 (incr_ticks_for_insn): Likewise.
1733 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1735 * diagnostic.c (output_to_stream): Rename to
1736 output_buffer_to_stream. Loses the stream parameter.
1737 (init_output_buffer): Set diagnosic_buffer's stream.
1738 (flush_diagnostic_buffer): Adjust.
1739 (default_print_error_function): Likewise.
1740 (finish_diagnostic): Likewise.
1741 (verbatim): Likewise.
1743 * diagnostic.h (struct output_buffer): Add `stream' field.
1744 (output_buffer_attached_stream): New macro.
1746 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1748 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1749 check if either operand is divisible by C.
1750 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1751 If type is signed, consider negative numbers as well.
1753 2001-02-22 Richard Henderson <rth@redhat.com>
1755 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1756 reach .text instead of gp-relative relocs.
1757 * config/ia64/crtend.asm (.init): Likewise.
1759 2001-02-22 Andreas Jaeger <aj@suse.de>
1761 * extend.texi (C++ Attributes): Fix typo.
1763 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1765 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1766 functions, drop current_function_args_info.words test.
1767 (ia64_compute_frame_size): Mark syscall_linkage functions as
1768 using eight input registers.
1770 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1771 Bruce Korb <bkorb@gnu.org>
1773 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1774 * fixinc/README: Document how to convert sed substitutions
1775 to format style c_fix-es.
1776 * fixinc/fixincl.x: regen
1778 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1780 * gcc.c: Add comment explaining how to add a command-line option.
1781 Add title to specs language comment.
1783 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1785 * gcc.c (cc1_options): Add "-param".
1786 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1787 (option_map): Likewise.
1788 * toplev.c (display_help): Add entry for "--param".
1789 (independent_decode_option): Fix typographical error.
1791 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1792 Bernd Schmidt <bernds@redhat.com>
1793 Jan Hubicka <jh@suse.cz>
1795 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1796 (function_arg): Likewise.
1798 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1800 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1802 2001-02-21 Kazu Hirata <kazu@hxi.com>
1804 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1808 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1810 * flow.c (init_propagate_block_info): Canon address and use single_set
1811 for killing dead memory stores.
1813 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1815 * Makefile.in (reorg.o): Add params.h dependence.
1816 * params.def: Fix typographical error in comment.
1817 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1818 * params.h: Modify introductory comment.
1819 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1820 * reorg.c: Add dependence on params.h.
1821 (redundant_insn): Add parameterized throttle for search.
1822 (fill_simple_delay_slots): Add a comment explaining a variable.
1823 Move conditional out of loop, simplifying code.
1824 (fill_eager_delay_slots): Fix typographical error in comment.
1826 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1828 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1830 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1831 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1833 2001-02-21 Jason Merrill <jason@redhat.com>
1835 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1836 (struct tree_decl): Add uninlinable bitfield.
1837 * c-decl.c (duplicate_decls): Set it.
1838 * integrate.c (function_cannot_inline_p): Check it.
1840 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1841 DW_AT_MIPS_linkage_name to abstract methods.
1842 (dwarf2out_abstract_function): Emit class context before calling
1843 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1844 (gen_subprogram_die): Remove obsolete code.
1845 (gen_member_die): Don't include clones in the member list.
1846 (gen_decl_die): Emit abstract info for clone origin.
1847 * dwarfout.c (output_type): Don't include clones in the member list.
1848 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1849 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1850 DECL_ABSTRACT on a function that already has it set.
1852 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1853 (get_subprogram_die): Pass it in.
1855 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1857 * flow.c (mark_set_1): Make not_dead unsigned long. For
1858 non-pseudos, use it as a bitmask of the hard regs that
1861 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1863 * cppfiles.c: Update comments.
1864 (_cpp_read_file): Don't check for NULL filenames any more.
1865 * cppinit.c (cpp_start_read): Don't do canonicalization of
1866 in_fname and out_fname. Use the passed file name exclusively.
1867 (_cpp_handle_options): Don't treat "-" as a command line option,
1868 but as a normal filename.
1869 (_cpp_post_options): Canonicalize in_fname and out_fname.
1870 * cppmain.c (printer_init): Don't check out_fname for NULL.
1871 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1872 (init_c_lex): Update, and use "" to represent stdin to CPP.
1875 2001-02-20 Will Cohen <wcohen@redhat.com>
1877 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1878 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1879 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1882 2001-02-20 Stan Shebs <shebs@apple.com>
1884 * config/rs6000/rs6000.c (output_cbranch): Output branches
1885 on separate lines instead of using ';' to separate.
1887 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1889 * cppinit.c (set_lang): Move builtin handling to...
1890 (init_builtins): ...here.
1891 (_cpp_create_reader): Move call to set_lang.
1893 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1895 * stmt.c (expand_return): If an attempt is made to return the
1896 error_mar_node, treat the return like a return without a value.
1898 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1900 * sibcall.c (skip_copy_to_return_value): Call
1901 identify_call_return_value here, and return orig_insn if it
1902 returns zero. Hardret and softret arguments now unnecessary.
1903 (call_ends_block_p): Don't call identify_call_return_value here.
1905 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1907 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1908 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1910 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1912 * pa.c (move_operand): Accept code to load the address of a
1913 symbol out of the DLT as a valid move operand.
1914 (print_operand, case 'A'): New to handle generating a DLT
1915 reference for a LO_SUM expression.
1916 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1917 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1919 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1921 * README, cpp.texi, gcc.texi, version.c: Update version number to
1923 * cpp.1, gcov.1, gcc.1: Regenerate.
1925 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1927 * cppfiles.c (stack_include_file): Generate dependencies
1928 here, and manage include_count here too.
1929 (PRINT_THIS_DEP): Delete.
1930 (_cpp_execute_include): Do not generate dependencies here,
1931 apart from the case of a missing header. Do not manage
1933 (_cpp_read_file): Leave dependency generation to
1936 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1938 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1939 target_cpu_default. Remove dead assignment to
1942 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1944 * regclass.c (contains_reg_of_mode): Make global.
1945 (init_reg_sets): Remove contains_reg_of_mode; take into account
1946 CLASS_MAX_NREGS when looking for the proper mode.
1947 (dump_regclass): Dump only classes considered for the pseudo.
1948 (regclass): Use contains_reg_of_mode.
1950 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1952 * gcc.c (do_spec_1): 'n' for printing notices.
1953 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1955 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1957 * reg-stack.c (next_flags_user): Use current_block->end
1958 (swap_rtx_condition): Look for next user if flags don't die;
1959 give up on CALL_INSNs; use current_block->end.
1961 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1963 * sibcall.c (call_ends_block_p): New function.
1964 (optimize_sibling_and_tail_recursive_call): Use it.
1966 2001-02-18 Kazu Hirata <kazu@hxi.com>
1968 * config/h8300/h8300.md: Update copyright.
1969 (andsi3): Do not output an extra newline character.
1971 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1973 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1974 FNDECL may be unused.
1976 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1977 follow jumps after first run.
1978 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1979 it doesn't change any jumps.
1981 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1983 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1984 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1985 (mostlyclean): Corresponding changes.
1986 * rtlanal.c (hard-reg-set.h): Include.
1987 (rtx_unstable_p): Do not treat the argument pointer specially
1988 if it is not a fixed register.
1989 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1991 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1993 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1994 against last real insn in basic block.
1995 Rework to avoid gotos.
1997 * Makefile.in (gcse.o): Now includes ggc.h.
1998 * gcse.c: Include ggc.h.
1999 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2000 (try_replace_reg): Remove warning of uninitialize variable.
2001 (process_insert_insn): Call invalid_insn_p to validate insn.
2002 * recog.c (insn_invalid_p): Now global.
2003 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2004 * recog.h (insn_invalid_p): New declaration.
2006 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2008 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2009 assignments from FP constants since 'Y' output code can't handle it.
2010 (eligible_for_sibcall_delay): Likewise.
2012 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2013 Call fancy_abort directly, passing args.
2014 (print_rtl_and_abort): Now a macro, like fancy_abort.
2016 * final.c (output_operand_lossage): Use internal_error, not error.
2018 2001-02-18 Shane Nay <shane@agendacomputing.com>
2020 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2021 structure shift insns.
2023 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2025 * invoke.texi (-fsquangle): Remove documentation.
2026 (-fname-mangling-version): Likewise.
2028 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2030 * optabs.c (expand_abs): Remove reference to
2031 HAVE_contitional_arithmetic.
2032 * combine.c (simplify_set): Likewise.
2034 2001-02-18 Richard Henderson <rth@redhat.com>
2036 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2039 2001-02-18 Richard Henderson <rth@redhat.com>
2041 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2043 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2045 * reload1.c (reload_cse_simplify_set): Fix typo.
2047 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2049 * diagnostic.c (_fatal_insn): Decrement errorcount.
2051 * invoke.texi (-I): Add note avoiding use for system header files.
2053 * rtl.h (add_clobbers): Remove duplicate declaration.
2054 * recog.h (added_clobbers_hard_reg_p): New declaration.
2055 * genemit.c (struct clobber_pat): New field has_hard_reg.
2056 (gen_insn): Record if added clobbers clobber hard reg.
2057 (gen_split): Avoid unused warning if number of operands is 0.
2058 (output_added_clobbers_hard_reg_p): New function.
2061 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2063 * pa.c (hppa_expand_prologue): Simplify code storing return
2064 pointer. For large (>=8k) frames with a post_store, adjust stack
2065 pointer by 8k-64 first rather than by 64. When testing with
2066 VAL_14_BITS_P, always use the actual value rather than the value
2067 negated. Add blockage to prevent scheduling of spills before
2068 stack frame has been created.
2069 (hppa_expand_epilogue): Simplify code loading return pointer.
2070 Allow a slightly larger range for merge_sp_adjust_with_load case.
2071 When testing with VAL_14_BITS_P, always use the actual value.
2073 * pa.c (pa_adjust_insn_length): Check that block move
2074 pattern is a set before looking at operands.
2076 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2078 * fold-const.c (fold_binary_op_with_conditional_arg): New
2079 function, split out from ...
2081 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2082 conditional arms that throw exceptions.
2084 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2087 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2089 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2090 define HAVE_DECL_* to 1 to mask potential backup declarations.
2091 * configure: Regenerated.
2093 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2095 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2097 2001-02-17 Richard Henderson <rth@redhat.com>
2099 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2100 when replacing a memory load with a register.
2102 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2103 Jan Hubicka <jh@suse.cz>
2105 * recog.c (validate_replace_src_1): New.
2106 (validate_replace_src_data): Likewise.
2107 (validate_replace_src): Use note_uses.
2108 * rtl.h (note_uses): Declare.
2109 * rtlanal.c (note_uses): New.
2111 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2113 * reg-stack.c (stack_def): Make field reg unsigned.
2114 (remove_regno_note): Unsignetize parameter.
2116 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2118 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2119 shladd_operand() call.
2121 2001-02-16 Bruce Korb <bkorb@gnu.org>
2122 Rodney Brown <RodneyBrown@mynd.com>
2124 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2125 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2126 machine restrictions
2127 * fixinc/fixincl.x: regen
2129 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2131 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2133 (hash_scan_insn): Clean up calls to hash_scan_set.
2134 (compute_kill_rd): REGNO now unsigned.
2135 (try_replace_reg): Rework to use simplify_replace_rtx.
2136 (cprop_jump, cprop_cc0_jump): Likewise.
2137 (cprop_insn): Call find_reg_equal_equiv_note.
2138 Reflect changes to cprop_jump and cprop_cc0_jump.
2140 * recog.c (validate_replace_src): Replace in operands of
2141 ZERO_EXTRACT in SET_DEST.
2143 * cse.c (new_label_ref): New variable.
2144 (insert): Set it instead of recorded_label_ref.
2145 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2146 CODE_LABEL for this function, and not already in REG_LABEL note.
2148 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2150 * resource.c (mark_referenced_resources): Fix typo in introductory
2152 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2155 2001-02-16 Jason Merrill <jason@redhat.com>
2157 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2159 (gen_subprogram_die): Don't abort on seeing a second definition if
2160 the previous one was abstract. Don't replace an abstract instance
2161 in the lookup table.
2163 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2164 gen_abstract_function.
2165 * dwarf2out.h: Declare it.
2166 * toplev.c (note_outlining_of_inline_function): New fn.
2167 * toplev.h: Declare it.
2168 * integrate.c (output_inline_function): Call it.
2169 * c-decl.c (duplicate_decls): Call it when redefining an extern
2170 inline. Don't inline the new defn.
2172 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2174 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2176 * .gdbinit: Rename to gdbinit.in.
2177 * gdbinit.in: New file,
2178 * configure.in: Generate .gdbinit from gdbinit.in.
2179 * configure: Regenerated.
2180 * Makefile.in (distclean): Always remove .gdbinit.
2182 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2184 * objc/objc-act.c (start_class): Register implemented_classes with
2187 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2189 * cppfiles.c (_cpp_make_system_header): Generate a file
2192 2001-02-15 Jim Meyering <meyering@lucent.com>
2194 * Makefile.in (install-common): Don't depend on installdirs here.
2195 Instead, make each of the lang.install-common targets (e.g.,
2196 c++.install-common in cp/Make-lang.in) depend on it.
2197 (install-driver): Depend on installdirs.
2199 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2201 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2203 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2206 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2208 * invoke.texi (--param): Document.
2210 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2212 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2214 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2216 * i386.md (extendsfdf2_2): Fix constraints.
2218 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2220 * i386.md (fop_df_3 splitter): Fix operand number.
2222 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2224 * invoke.texi (-mreg-alloc): Nuke.
2225 * i386.c (ix86_reg_alloc_order, regs_allocated,
2226 order_regs_for_local_alloc): Nuke.
2227 (override_options): Kill reg_alloc code.
2228 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2229 (REG_ALLOC_ORDER): SSE goes before I387.
2230 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2231 (ix86_reg_alloc_order): Likewise.
2232 * i386-protos.h (ix86_reg_alloc_order): Kill.
2234 2001-02-14 Richard Henderson <rth@redhat.com>
2236 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2238 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2240 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2242 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2244 * i386-protos.h (ix86_memory_move_cost): Move offline.
2245 * i386.c (ix86_register_move_cost): Compute properly cost of
2246 SSE, MMX and i387 instructions.
2247 (*_cost): Add costs of SSE/MMX moves.
2248 (ix86_memory_move_cost): Move offline from ....; Likewise.
2249 * i386.h (MEMORY_MOVE_COST): .... here;
2250 (struct processor costs): Add new fields to represent costs
2253 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2255 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2256 move_cost together with Matt Kraai's fix.
2258 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2260 * Makefile.in (OBJS): Add params.o.
2262 2001-02-14 Richard Henderson <rth@redhat.com>
2263 DJ Delorie <dj@redhat.com>
2265 * jump.c (jump_optimize_1): When we delete a conditional jump
2266 preceeding a non-conditional jump to effectively the same place,
2267 make sure that the combined jump skips any clobber insns between
2270 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2272 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2274 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2276 * Makefile.in (toplev.o): Depend on params.h.
2277 (intergate.o): Likewise.
2278 (params.o): New target.
2279 * flags.h (inline_max_insns): Remove.
2280 * integrate.c: Include params.h.
2281 Use MAX_INLINE_INSNS instead of inline_max_insns.
2282 * params.c: New file.
2283 * params.h: Likewise.
2284 * params.def: Likewise.
2285 * toplev.c: Include params.h.
2286 (lang_independent_params): New variable.
2287 (decode_f_option): Use the param machinery instead of setting
2289 (independent_decode_option): Handle "--param name=value".
2290 (main): Register language-independent parameters.
2292 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2294 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2296 2001-02-14 Richard Henderson <rth@redhat.com>
2298 * regclass.c (init_reg_sets_1): Revert last two changes.
2300 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2302 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2303 (variable_size): Call put_pending_size.
2304 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2305 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2306 sizes list, put newly created SAVE_EXPR there as well.
2308 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2310 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2311 (errata_find_address_regs): load_group has only 2 entries.
2312 (errata_emit_nops): Likewise. shladd is not problematic.
2313 Clear last_group if nop was emitted.
2314 (fixup_errata): load_group has only 2 entries.
2317 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2319 * c-lex.c (lex_number): Only warn traditionally for U suffix
2320 outside system macros.
2321 * cppexp.c (parse_number): Similarly.
2322 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2323 * cppmacro.c (struct cpp_macro): New member node.
2324 (parse_args): Only warn about missing rest args if not
2326 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2327 (cpp_sys_objmacro_p): New.
2328 (_cpp_create_definition): Store the node with the macro defn.
2329 Remember if the macro is defined in a system header.
2331 2001-02-13 DJ Delorie <dj@redhat.com>
2333 * configure.in (check_languages): determine languages to check
2334 * Makefile.in (check-c++): alias for check-g++
2335 (check-f77): alias for check-g77
2336 (CHECK_TARGETS): depend on configured languages
2338 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2340 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2341 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2342 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2343 (sqrtextendsfdf2): Disable for SSE2.
2345 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2347 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2348 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2349 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2350 (sqrtextendsfdf2): Disable for SSE2.
2352 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2354 * i386.md (movsfcc_1): Support integer cmove instruction.
2355 (movdfcc_1): Likewise; new splitter.
2357 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2359 * i386.c (output_fp_compare): Support SSE.
2360 (prepare_fp_compare_args): SSE comparisons always support memory.
2361 * i386.h (TARGET_CMOVE): SSE imply cmove.
2362 * i386.md (cmp?f2): Enable for SSE too.
2363 (cmpfp_i*): Support SSE.
2365 (cmpfp_i_sse_only): New.
2366 (s*, b* fp expanters): Enable for SSE too.
2367 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2370 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2372 * regclass.c (init_reg_sets_1): Silence warning.
2374 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2376 * i386.md (sqrt?f2): Change to expander.
2377 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2379 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2381 * rtlanal.c (find_reg_equal_equiv_note): New function.
2382 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2383 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2384 * rtl.h: Add declarations for above functions.
2386 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2388 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2390 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2391 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2392 * flow.c (mark_regs_live_at_end): Likewise.
2393 (calculate_global_regs_live): Likewise.
2394 * gcse.c (compute_hash_table): Likewise.
2395 (compute_kill_rd): Likewise.
2396 * resource.c (mark_target_live_regs): Likewise.
2397 * rtl.h (INVALID_REGNUM): New macro.
2399 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2401 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2403 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2405 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2408 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2410 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2412 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2413 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2414 (fop_sf_1_sse, fop_df_1_sse): New patterns
2415 (fop_*): Disable float_extend and float patterns for SSE compilation.
2416 * i386.c (output_387_binary_op): Support SSE.
2418 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2420 * i386.md (dummy_extendsfdf2): Support SSE2
2421 (extendsfdf2): Enable if 80387 or SSE2.
2422 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2423 and no MIX_I387_SSE2
2424 (extendsfdf2_1_sse_only): New pattern.
2425 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2427 (truncdfsf2_1): Support SSE.
2428 (truncdfsf2_2): Support SSE.
2429 (truncdfsf2_2_1_sse): New pattern.
2430 (fixtruncsfsi2): Always use SSE if available.
2431 (fix_truncsfsi_sse): New pattern.
2432 (fix_truncdfsi_sse): New pattern.
2433 (floatsis?f2): Support SSE.
2434 (floatsidf2_i387): New pattern.
2435 (floatsidf2_sse): Likewise.
2437 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2439 * configure.in: Use "have_gnat" variable, not "gnat".
2440 * configure: Regenerated.
2442 * config/sparc/sparc.c (function_value): Treat all non-record
2443 aggregate types like used to treat UNION_TYPE.
2445 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2447 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2448 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2450 (MASK_MIX_SSE_I387): New.
2451 (TARGET_SSE): SSE2 imply SSE.
2452 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2453 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2454 (enum reg_class): Add new classes.
2455 (REG_CLASS_NAMES): Likewise.
2456 (REG_CLASS_CONTENTS): Likewise.
2457 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2458 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2459 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2460 (CLASS_MAX_NREGS): Use new macros.
2461 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2462 * i386.md (pushsf, movsf): Support SSE.
2463 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2464 splitters to use ANY_FP_REGNO_P.
2465 (movdf_nointeger, movdf_integer): Likewise.
2467 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2469 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2470 (try_combine): Use it.
2472 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2474 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2475 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2476 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2477 (REGISTER_MOVE_COST): Likewise.
2478 * i386-protos.h (ix86_secondary_memory_needed,
2479 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2480 * i386.c (ix86_secondary_memory_needed,
2481 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2483 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2485 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2486 (HARD_REGNO_MODE_OK): Move offline to ....
2487 * i386.c (ix86_hard_regno_mode_ok) ... here;
2488 refuse all incorrect modes.
2489 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2491 2001-02-13 Richard Henderson <rth@redhat.com>
2493 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2494 entire operator; replicate that and match_dup the operands.
2495 (cmp_ccx_arith_op_set): Likewise.
2496 (cmp_cc_arith_op_not_set): Likewise.
2497 (cmp_ccx_arith_op_not_set): Likewise.
2499 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2501 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2503 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2505 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2506 (TARGET_NO_BITFIELD_WORD): New macro.
2507 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2508 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2510 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2512 * cselib.c: New file, from simplify-rtx.c.
2513 * simplify-rtx.c: Remove cselib parts.
2514 * Makefile.in: Add cselib.o.
2516 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2518 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2519 (setup_incoming_varargs): Remove warning.
2521 * config/rs6000/rs6000.c (validate_condition_mode): When
2522 flag_fast_math, allow floating-point conditionals to be reversed.
2523 (rs6000_generate_compare): When flag_fast_math, don't generate
2524 cror operations for FP conditionals.
2526 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2528 (ASM_SPEC): Likewise.
2529 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2530 (CC1_SPEC): Likewise.
2531 (LINK_TARGET_SPEC): Likewise.
2532 (CPP_ENDIAN_SPEC): Likewise.
2533 * Makefile.in (check-consistency): New target.
2535 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2537 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2538 "return type defaults" warning for functions with return type
2540 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2541 function declarations by default rather than only when pedantic.
2543 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2545 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2548 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2550 * extend.texi (Deprecated): Deprecate new initializer lists.
2552 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2554 * mkdeps.c (deps_add_default_target): Robustify. Add
2555 basename component only.
2556 * cpp.texi (-M): Describe how default target is generated.
2557 * invoke.texi (-M): Likewise.
2559 2001-02-12 Kazu Hirata <kazu@hxi.com>
2561 * toplev.c (push_float_handler): Remove.
2562 (pop_float_handler): Remove.
2563 * toplev.h: Remove prototypes for the above functions.
2565 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2567 * c-common.c (constant_fits_type_p): New function.
2568 (convert_and_check): Use it.
2570 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2572 * Makefile.in (GXX_ABI_FLAG): Don't define.
2573 * configure.in (--enable-new-gxx-abi): Remove option.
2574 * config.in: Regenerated.
2575 * configure: Likewise.
2577 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2579 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2581 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2582 regular basic block, and arrange for all edges into it to switch
2585 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2587 * Makefile.in (distclean): Do not remove .gdbinit.
2589 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2591 * Makefile.in (gcc.o): Fix typos.
2592 (protize.o): Likewise.
2593 (unprotoize.o): Likewise.
2595 2001-02-11 Richard Henderson <rth@redhat.com>
2597 * tree.c (build1): Check for null operand in last change.
2599 2001-02-11 Richard Henderson <rth@redhat.com>
2601 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2602 (fold): Don't assume a constant isn't foldable.
2603 * tree.c (build): Set TREE_CONSTANT for an expression with no
2604 side-effects and constant operands.
2607 2001-02-10 Richard Henderson <rth@redhat.com>
2609 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2611 2001-02-10 Anthony Green <green@redhat.com>
2613 * cpp.texi (Standard Predefined): Add documentation for
2616 * c-common.c (combine_strings): Improve warning message.
2618 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2620 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2622 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2624 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2626 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2629 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2631 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2634 2001-02-09 Nick Clifton <nickc@redhat.com>
2636 * config/arm/arm.md: Change output contraint on post inc
2637 load/store multiple patterns to be a read/write contraint.
2639 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2641 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2642 .o files when using the -M options.
2644 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2645 David Edelsohn <edelsohn@gnu.org>
2647 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2648 handle DImode constants. Use one TOC entry for SImode and smaller
2649 constants, aligned properly.
2651 2001-02-08 Jason Merrill <jason@redhat.com>
2653 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2654 about the SP adjustment for saving the static chain pointer.
2655 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2656 offset when setting a temporary CFA register.
2658 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2660 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2661 powerpc-*-chorusos* .
2662 * config/rs6000/chorus.h : New file.
2663 * config/i386/chorus.h : New file.
2664 * config/sparc/chorus.h : New file.
2665 * config/sparc/t-chorus-elf : New file.
2667 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2669 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2670 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2671 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2672 (__WCHAR_TYPE__): Correct macro name.
2674 2001-02-08 Richard Henderson <rth@redhat.com>
2676 * config/i386/i386.c (ix86_frame_pointer_required): New.
2677 (ix86_setup_frame_addresses): New.
2678 (struct machine_funciton): Add accesses_prev_frame.
2679 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2680 ix86_frame_pointer_required.
2681 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2682 (SETUP_FRAME_ADDRESSES): New.
2683 * config/i386/i386-protos.h: Update.
2684 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2685 from FRAME_POINTER_REQUIRED.
2686 * config/i386/svr3gas.h: Likewise.
2687 * config/i386/sysv3.h: Likewise.
2688 * config/i386/v3gas.h: Likewise.
2690 2001-02-08 Richard Henderson <rth@redhat.com>
2692 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2693 calculation of the number of integer registers required.
2694 (function_arg_record_value): Likewise.
2696 2001-02-08 Jason Merrill <jason@redhat.com>
2698 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2699 two. Print file and line with "confused" message.
2701 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2703 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2705 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2707 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2709 * final.c (cleanup_subreg_operands): The address of a MEM can
2712 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2715 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2717 * gcc.texi (Incompatibilities): Update documentation of
2718 preprocessing numbers.
2720 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2722 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2724 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2726 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2728 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2729 * gcc.c (struct compiler): Add cpp_spec field.
2730 (input_file_compiler): New variable.
2731 (do_spec_1): Allow a particular compiler to handle `%C'
2733 (main): Store the current compiler in input_file_compiler.
2734 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2736 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2738 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2739 * cppinit.c (cpp_create_reader): Initialize them.
2740 (append_include_chain): cxx_aware arg might be unused.
2741 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2742 keywords and give them their phase 7 meaning. Pedwarn about
2743 this unless '__bool_true_false_are_defined' is defined.
2745 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2747 * lcm.c (optimize_mode_switching): Emit mode_set before the
2748 JUMP_INSN of an abnormal edge.
2750 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2752 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2753 a scheduling barrier at the end.
2755 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2757 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2759 * config/sh/sh.md (reload_outsf): Removed.
2760 (movsf_ie): Introduce constraints for FPUL loads and stores.
2761 (reload_insf): Broaden the output constraint.
2763 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2765 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2766 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2768 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2770 * final.c: Revert my previous changes.
2771 * output.h: Make profile_label_no extern.
2772 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2773 for generating label.
2775 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2777 * config/i386/djgpp.h: Add comments about standard paths.
2778 (MD_EXEC_PREFIX): Undefine before defining.
2779 (MD_STARTFILE_PREFIX): New.
2781 2001-01-30 Bruce Korb <bkorb@gnu.org>
2783 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2784 (load_file): do not rely on load_file_data() to close file pointer
2785 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2786 fixinc/inclhack.def(irix_limits_const): add test_text
2788 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2790 * cppexp.c (parse_defined): Improve diagnostics for invalid
2793 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2795 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2797 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2799 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2800 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2801 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2802 (rs6000_output_symbol_ref): New function.
2803 (output_toc): Use VTABLE_NAME_P.
2805 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2807 * print-tree.c (print_node, case PARM_DECL):
2808 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2810 * stor-layout.c (reference_types_internal): New variable.
2811 (internal_reference_types): New function.
2812 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2813 * tree.h (internal_reference_types): New declaration.
2815 * cse.c (find_best_addr): Fix typo in computing cost.
2817 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2819 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2820 and this is the sum of a pointer and a constant, we know the result
2822 (num_sign_bit_copies, case PLUS): Likewise.
2823 * explow.c (convert_memory_address): Remove opposite SUBREG.
2824 * function.c (instantiate_new_reg): New function (from common code).
2825 (instantiate_virtual_regs_1): Call it.
2826 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2827 if pointers sign- or zero-extend.
2828 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2829 If pointers extend unsigned, use inside of SUBREG.
2830 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2832 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2834 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2835 subdir of gcc_gxx_include_dir.
2836 (gcc_gxx_target_include_dir): Remove.
2838 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2840 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2841 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2842 a high-level description.
2844 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2846 * final.c: Move the declaration of profile_label_no to ...
2847 * output.h: ... here.
2848 * function.c (expand_function_start): Call PROFILE_HOOK.
2849 * config/rs6000/aix.h: Define PROFILE_HOOK.
2850 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2851 * config/rs6000/rs6000.c (output_profile_hook): Define.
2852 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2853 output_profile_hook.
2854 tm.texi : Explain new macro PROFILE_HOOK.
2856 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2858 * extend.texi (Extended Asm): Do not say that semicolon is always
2859 a valid line-breaking character for GNU assemblers. Use
2860 newline-tab as the most commonly supported syntax. Use
2861 newline-tab rather than semicolon in multi-insn examples.
2863 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2865 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2867 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2868 David Edelsohn <edelsohn@gnu.org>
2870 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2871 code for AIX, even without flag_pic.
2873 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2875 * c-typeck.c (common_type): push and pop binding level around
2876 calling common_type on function parameters.
2878 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2880 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2882 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2884 * config/mips/mips.c (override_options): Fix typo in last change.
2885 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2886 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2888 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2890 * invoke.texi (-fdump-class-layout): Document.
2891 (-fdump-translation-unit): Use `=' as filename separator.
2893 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2895 * Makefile.in (s-mlib): Don't build multilibs if
2897 (DRIVER_DEFINES): Adjust accordingly.
2899 (protoize.o): Likewise.
2900 (unprotoize.o): Likewise.
2901 * configure.in: Recognize --enable-multilib.
2903 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2905 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2907 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2908 * configure.in: Remove --enable-libstdcxx_v3 support.
2909 * configure: Regenerated.
2911 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2913 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2914 Call abort instead of fatal.
2915 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2916 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2917 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2918 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2919 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2920 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2922 * diagnostic.h (set_internal_error_function): Renamed.
2923 * toplev.h (internal_error): Renamed from fatal.
2924 (pfatal_with_name): Deleted.
2925 (fatal_io_error): Now has printf-style arguments.
2926 * diagnostic.c (pfatal_with_name): Deleted.
2927 (fatal_io_error): Rework to have args in printf-style.
2928 (set_internal_error_function): Renamed from set_fatal_function.
2929 (internal_error): Renamed from fatal.
2930 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2931 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2932 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2933 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2934 * flow.c (verify_flow_info): Likewise.
2935 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2936 * config/mips/mips.c (save_restore_insns): Likewise.
2938 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2939 * flow.c (verify_flow_info): Likewise.
2940 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2941 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2942 (avr_normalize_condition): Likewise.
2943 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2944 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2945 (limit_reload_class, double_reg_to_memory): Likewise.
2946 (print_operand_address, emit_1600_code_shift): Likewise.
2947 (gen_tst_reg, gen_compare_reg): Likewise.
2948 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2949 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2951 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2953 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2954 * objc/objc-act.c (build_ivar_chain): Likewise.
2955 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2957 * graph.c (clean_graph_dump_file): Likewise.
2958 * profile.c (init_branch_prob): Likewise.
2959 * objc/objc-act.c (objc_init): Likewise.
2961 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2962 * config/avr/avr.c (avr_override_options): Likewise.
2963 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2964 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2965 * config/h8300/h8300.c (h8300_init_once): Likewise.
2966 * config/mips/mips.c (override_options): Likewise.
2967 * config/i386/i386.c (override_options): Likewise, rework.
2968 * config/m68k/m68k.c (override_options): Likewise.
2970 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2972 * config/mips/mips.c (print_operand): Likewise.
2973 * hash.c (hash_allocate): Don't check for failure returns from
2974 obstack functions that can't fail.
2975 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2976 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2977 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2978 (get_object_reference): Likewise.
2980 2001-02-04 Nick Clifton <nickc@redhat.com>
2982 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2983 StrongARM1110, 10TDMI, and 1020T.
2985 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2987 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2989 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2991 * config/sh/sh.md (movdf load split): Pass register number to
2992 FP_OR_XD_REGISTER_P.
2994 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2996 * cppinit.c (BC): New macro.
2997 (builtin_array): Add __GXX_WEAK__.
2998 * cpplib.h (builtin_type): Add BT_WEAK.
2999 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3000 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3001 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3003 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3005 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3007 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3009 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3010 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3012 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3014 * cpphash.h: Rename ALIGN _ALIGN.
3015 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3017 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3019 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3020 compilation environment.
3021 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3022 control over location of cygwin includes and libs.
3024 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3026 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3028 2001-02-02 lars brinkhoff <lars@nocrew.org>
3030 * md.texi (Standard Names): remove reference to spur.md.
3032 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3034 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3035 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3036 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3037 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3038 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3040 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3042 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3043 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3044 number before reload.
3045 (c4x_adjust_cost): Return zero before reload.
3046 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3047 split before reload.
3049 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3051 * c4x.c (c4x_hard_regno_rename_ok): New.
3052 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3053 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3055 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3057 * diagnostic.h: Add missing "extern" in all declarations.
3059 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3061 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3062 as for gcc_gxx_include_dir.
3064 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3066 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3068 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3070 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3071 label before alignment to be used as the braf base address.
3072 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3074 (casesi_jump_2): Require at least TARGET_SH2.
3076 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3077 truncation to 32-bit doubles on -m3e and -m4-single-only.
3079 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3081 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3082 the default when building a shared object.
3083 (init_spec): Use it.
3084 * testsuite/lib/g++.exp: Include the directory where libgcc
3085 is located to the LD_LIBRARY_PATH list.
3086 * invoke.texi (-shared-libgcc): Document the cases in which
3087 GCC defaults to using the shared libgcc.
3089 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3091 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3092 unsigned is wide enough.
3094 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3095 (si_to_float): Likewise.
3096 (float_to_si, float_to_usi): Use BITS_PER_SI.
3098 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3100 * dwarf2out.c: Added explanation of abbreviations.
3101 (def_cfa_1): Added comments listing DWARF2 instructions.
3102 (cfa_temp_reg): Removed in favor of cfa_temp.
3103 (cfa_temp_value): Removed in favor of cfa_temp.
3104 (cfa_temp): New global variable.
3105 (dwarf2out_frame_debug_expr): Added extensive introductory
3106 comments explaining the function's transformations. Revised to
3107 use cfa_temp. Added some rtx checking. Generalize IOR case.
3108 (dwarf2out_frame_debug): Revised to use cfa_temp.
3109 (output_aranges): Cast as "unsigned" to avoid warning.
3110 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3111 explain which instructions must be marked.
3113 2001-02-01 Richard Henderson <rth@redhat.com>
3115 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3118 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3120 * config/sh/crt1.asm (main_k): Modified so that start calls
3121 ___setup_argv_and_call_main.
3123 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3125 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3126 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3127 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3128 * cppmacro.c (builtin_macro): Set builtin flags here.
3129 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3130 (replace_args): Clarify intent.
3131 (cpp_get_token): Macro expansion tokens get the saved flags.
3133 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3136 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3138 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3141 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3143 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3144 returns Pmode pseudo, but we need ptr_mode.
3145 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3146 Remove bogus conversions; use HOST_WIDE_INT for size.
3147 Don't use TARGET if wrong mode.
3149 * config/i386/i386.c (ix86_compute_frame_size): Allow
3150 stack_alignment_needed to be non-default even if size is zero.
3152 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3154 * (hppa_init_pic_save): Emit the pic offset table
3155 reg save after last_parm_insn.
3156 * pa.c (hppa_init_pic_save): New function.
3157 * pa.h (hppa_init_pic_save): Declare.
3158 * pa.md (call, call_value, sibcall, sibcall_value): Use
3159 the above instead of duplicated code.
3161 * pa.c (hppa_encode_label): Correct size of alloca buffer
3162 so we don't overrun it. Correct leading `*' case.
3163 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3164 need to handle `*@'.
3165 (FUNCTION_NAME_P): Likewise.
3167 2001-01-31 Richard Henderson <rth@redhat.com>
3169 * config.gcc (alpha-osf5): Use float-i128.h.
3171 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3172 * config/float-i32.h: Likewise.
3173 * config/float-i64.h: Likewise.
3174 * config/float-sh.h: Likewise.
3175 * config/float-sparc.h: Likewise.
3177 2001-01-31 DJ Delorie <dj@redhat.com>
3179 * expmed.c (extract_bit_field): allow non-integral modes if we
3180 want to extract a whole register from itself.
3182 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3184 * c-typeck.c (set_init_index): If first is equal to last, assume as
3185 if it was not a range at all.
3187 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3189 * config/fp-bit.c: Include tm.h.
3190 (float_to_si): Don't assume SImode is 32-bits wide.
3191 (float_to_usi): Likewise.
3193 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3195 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3197 (typename): Call pending_xref_error after parsing typed_typespecs.
3198 * c-decl.c (lookup_tag): Give error immediately rather than
3199 leaving it pending if the tag of the wrong type is in the same
3201 (xref_tag): Don't pedwarn for forward declarations of enum types
3203 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3206 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3208 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3210 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3212 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3213 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3215 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3217 * cpphash.h (struct cpp_reader): New saved_flags.
3218 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3219 to avoid a paste after a pasted token.
3221 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3223 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3224 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3225 Wtype_MIN instead of LONG_MIN.
3227 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3229 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3231 * fixinc/fixincl.x: Regenerated.
3232 * fixinc/inclhack.def (irix_limits_const): New definition to
3233 convert "const" to "__const" in limits.h.
3235 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3237 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3239 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3241 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3242 when register dies in the insn.
3244 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3246 * diagnostic.c (fatal): Fix word wrap.
3248 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3250 * combine.c (try_combine): Fix SUBREG setting for
3251 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3253 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3255 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3258 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3260 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3262 * toplev.c (decode_W_option): Update warn_larger_than
3263 unconditionally for each processed switch.
3265 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3267 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3269 (hppa_expand_prologue): Delete code to save pic offset table register
3270 in the function prologue.
3271 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3272 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3273 table register at the beginning of the function after the prologue.
3275 2001-01-29 lars brinkhoff <lars@nocrew.org>
3277 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3279 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3280 Jeff Law <law@redhat.com>
3282 * pa.md (return): Revise comment for trivial return.
3283 (return_internal): Non-trivial return pattern for non-PIC code.
3284 (return_internal_pic): Non-trivial return pattern for PIC code.
3285 It uses the PIC register to ensure it is restored after
3287 (epilogue): Generate appropriate return for PIC and non-PIC code.
3289 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3291 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3293 2001-01-29 DJ Delorie <dj@redhat.com>
3295 * combine.c (if_then_else_cond): Pass the correct mode to
3296 operand_subword() for constants.
3298 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3300 * config/i386/cygwin.h: Add w32api to include search. Search different
3301 directories in a cross-build environment.
3303 2001-11-29 Tim Josling <tej@melbpc.org.au>
3305 * tree.h (TYPE_STUB_DECL): Add documentation.
3307 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3309 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3310 (sdbout_field_types): Likwise. Fix use of host_integerp.
3312 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3314 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3317 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3319 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3320 to use flag_gnu_linker.
3322 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3324 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3325 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3327 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3329 * tree.c, tree.h (build_parse_node): Remove; was identical to
3331 * c-lang.c (start_cdtor), objc/objc-act.c
3332 (build_module_descriptor): Use build_nt instead of
3335 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3337 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3338 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3339 not have any upper bits set.
3341 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3343 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3345 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3347 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3349 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3351 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3352 (integer_minus_one_node): Define.
3354 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3356 * Makefile.in (bootstrap2-lean): Fix typo.
3358 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3360 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3361 : Don't set fe_value.
3362 * cpplib.h (AVOID_LPASTE): New flag.
3363 (struct cpp_hashnode): Remove fe_value.
3364 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3365 * cppmacro.c (builtin_macro): Don't set flags here.
3366 (replace_args): Set AVOID_LPASTE flag on first token of an
3367 argument, and the token following it.
3368 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3369 macro expansion, and on the token following it. Do it for
3371 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3373 2001-01-27 Richard Henderson <rth@redhat.com>
3375 * config/alpha/t-ieee: Remove multilibbing.
3376 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3378 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3380 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3382 * Makefile.in: Remove all dependencies on defaults.h.
3383 * builtins.c: Don't include defaults.h.
3384 * c-common.c: Likewise.
3385 * c-decl.c: Likewise.
3386 * c-pragma.c: Likewise.
3387 * c-typeck.c: Likewise.
3388 * combine.c: Likewise.
3390 * frame-ia64.c: Likewise.
3391 * cppexp.c: Likewise.
3392 * crtstuff.c: Likewise.
3393 * dbxout.c: Likewise.
3394 * dwarf2out.c: Likewise.
3395 * dwarfout.c: Likewise.
3396 * emit-rtl.c: Likewise.
3397 * except.c: Likewise.
3399 * final.c: Likewise.
3400 * frame-dwarf2.c: Likewise.
3401 * libgcc2.c: Likewise.
3402 * optabs.c: Likewise.
3403 * profile.c: Likewise.
3404 * sdbout.c: Likewise.
3405 * toplev.c: Likewise.
3406 * tradcif.y: Likewise.
3408 * varasm.c: Likewise.
3410 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3412 * builtins.c (expand_builtin_fputs): Use size_one_node when
3413 transforming into fwrite.
3415 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3417 * extend.texi (Attribute Syntax): New section.
3419 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3421 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3422 they didn't need fixing.
3424 2001-01-27 Janis Johnson <janis@us.ibm.com>
3426 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3428 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3429 to remove macro definitions that are duplicated from elfos.h.
3431 2001-01-27 Richard Henderson <rth@redhat.com>
3433 * config/i386/sco5gas.h: Move ...
3434 * config/usegas.h: ... here.
3435 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3437 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3439 * c-typeck.c (struct constructor_stack): Add range_stack member.
3440 (really_start_incremental_init): Clear it.
3441 (push_init_level): Save constructor_range_stack and clear it if
3442 pushing explicit braces.
3443 (pop_init_level): abort if constructor_range_stack is non-zero at
3444 explicit closing brace. Restore saved constructor_range_stack if
3447 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3449 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3450 into register was forced into memory.
3452 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3454 * Makefile.in: Remove uses of + before $(MAKE).
3456 2001-01-26 Richard Henderson <rth@redhat.com>
3458 * stmt.c (cost_table): Remove.
3459 (COST_TABLE, cost_table_initialized): New.
3460 (estimate_case_costs): Use the later instead of the former.
3461 (balance_case_nodes): Likewise.
3463 2001-01-26 Richard Henderson <rth@redhat.com>
3465 * alias.c (objects_must_conflict_p): Read-only slots may not
3466 conflict despite having the same type.
3468 2001-01-27 Michael Hayes <mhayes@redhat.com>
3470 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3472 (check_ext_dependant_givs): Initialise u_start_val and
3474 (load_mems): Make last_max_reg unsigned.
3475 (try_swap_copy_prop): Use INSN_P and initialise set.
3477 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3479 * README.AVR : Removed.
3481 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3483 * pa-64.h (text_section): Remove declaration.
3485 * pa.md (return_internal): Remove mode on PIC register use.
3487 2001-01-25 lars brinkhoff <lars@nocrew.org>
3489 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3490 ASM_CLOSE_PAREN): fix typos.
3492 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3494 * acconfig.h: Define `const' to the empty string if neither
3495 __STDC__ nor __cplusplus is defined.
3496 * config.in: Regenerated.
3498 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3500 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3501 * collect2.c (main): Delete importf. Add ".obj" file extension.
3502 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3503 (aix_std_libs): Add additional AIX libraries to skip.
3504 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3505 * config/rs6000/aix51.h: New file.
3507 2001-01-25 Michael Hayes <mhayes@redhat.com>
3509 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3510 (loop_insn_emit_before): No longer static.
3511 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3512 (loop_givs_rescan, load_mems): Likewise.
3513 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3514 (maybe_eliminate_biv_1):
3515 (move_movables): Replace emit_call_insn_before with
3516 loop_call_insn_hoist.
3517 * loop.h (loop_insn_emit_before): Add.
3518 * unroll.c (copy_loop_body): Replace emit_insn_before with
3519 loop_insn_emit_before.
3521 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3523 * diagnostic.c (fatal): Request preprocessed source.
3525 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3527 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3528 olddecl has argument types and newdecl has none, use the argument
3531 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3533 * dwarf2out.c (prefix_of): New function. Determine longest common
3534 prefix of the two arguments. The units are whole path components.
3535 (output_file_names): When adding a new directory find the one entry
3536 with the longest common prefix already in the list. Artificially
3537 generate entry if there is none for this prefix.
3538 Fix test to check whether the zeroth directory entry is used.
3540 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3542 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3543 Changed all callers. Take it into account when deciding if a
3544 previously loaded value matches.
3546 2001-01-24 Richard Henderson <rth@redhat.com>
3548 * reload.c (find_reloads_subreg_address): Fail the substitution
3549 if the resulting address is insufficiently aligned.
3551 2001-01-24 DJ Delorie <dj@redhat.com>
3553 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3554 check the original operand's mode also.
3555 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3557 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3559 * c-parse.in (cast_expr): Move compound literals from here ...
3560 (primary): ... to here. Use standard terminology "compound
3561 literal" instead of "constructor expression".
3563 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3565 * gcc.1, cpp.1: Regenerate.
3567 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3569 * calls.c (emit_library_call_value_1): Memory slot for
3570 pass-by-reference argument should have the mode of the argument,
3571 not of the pointer to it.
3573 2001-01-24 Tom Tromey <tromey@redhat.com>
3575 * gcc.texi (G++ and GCC): Mention gcj manual.
3576 (Standards): Link to section of manual mentioning gcj/Java
3579 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3581 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3582 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3583 * tradcpp.c (main): Add -imacros or -include'd dependencies
3585 * cpp.texi (-M, -MM): Document -M -include behaviour.
3587 2001-01-24 Roger Collins <roger@ProProject.com>
3589 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3591 2001-01-24 Will Cohen <wcohen@redhat.com>
3593 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3594 whether registers are 32 bits or 64 bits in size.
3596 2001-01-24 Ben Elliston <bje@redhat.com>
3598 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3600 2001-01-24 Richard Henderson <rth@redhat.com>
3602 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3603 (builtin_longjmp): Use it instead of emit_indirect_jump.
3605 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3607 * bb-reorder.c (make_reorder_chain_1): Handle case where
3608 jump edge goes to the same block as the fallthru edge.
3610 2001-01-23 Jim Wilson <wilson@redhat.com>
3612 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3613 * frame.h (__ia64_personality_v1): Add prototype.
3614 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3615 prototype form. Add void * cast to first argument to personality
3617 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3618 (asctoe113): Likewise.
3619 * config/ia64/frame-ia64.c: Include eh-common.h.
3620 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3622 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3624 (itanium_split_issue): Add prototype.
3625 (gen_nop_type): Ifdef out.
3626 (find_best_packet): Initialize best_packet.
3627 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3629 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3630 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3631 (flushrs): Add explicit stop bit at end.
3632 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3635 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3637 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3639 * libgcc2.c (__terminate_func): Make variable static.
3640 (__terminate_set_func): New function to set __terminate_func.
3641 * libgcc2.h (__terminate_func_ptr): New typedef.
3642 (__terminate_set_func): New function.
3644 2001-01-23 Richard Henderson <rth@redhat.com>
3646 * flow.c (init_propagate_block_info): Don't consider unchanging
3647 memories for dead frame store elimination.
3649 2001-01-23 Richard Henderson <rth@redhat.com>
3651 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3652 * defaults.h: ... here.
3654 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3656 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3658 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3660 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3662 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3664 * rs6000.h (rs6000_return_addr): Move prototype from here...
3665 * rs6000-protos.h (rs6000_return_addr): ...to here.
3666 (rs6000_init_expanders): Delete prototype.
3668 2001-01-23 Nick Clifton <nickc@redhat.com>
3670 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3671 (Spec Files): Document %B and %j and %. and %v3 and %M and
3672 %{S*&T} spec switches.
3674 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3676 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3678 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3679 Neil Booth <neil@daikokuya.demon.co.uk>
3681 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3682 Have -Werror make pedantic warnings errors, like the
3685 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3687 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3689 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3691 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3692 * integrate.c (expand_inline_function): Initialize them.
3693 (subst_constants): If changing COMPARE so that both its arguments
3694 will be VOIDmode and the comparison mode will be lost, note
3695 compare_mode. Use the recorded compare_mode to optimize
3698 2001-01-23 Jason Merrill <jason@redhat.com>
3700 * dwarf2out.c (new_die): Use xcalloc.
3701 (output_die): Abort rather than emit a local reference to offset 0.
3703 2001-01-17 Andrew Haley <aph@redhat.com>
3705 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3706 of a saved register; return NULL instead.
3707 (copy_reg): Take a pointer to a source register rather than a
3709 (next_stack_level): Remember the address in the stack frame of all
3711 Use the saved register pointer array as the source of the CFA.
3712 (throw_helper): Rewrite. Unwind once rather than twice and keep
3713 track of saved registers as we go.
3715 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3717 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3718 * c4x.c (c4x_legitimize_reload_address): Remove.
3719 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3720 reload address for ldp(k) insn.
3722 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3724 * pa.md (return_internal): Add a USE of the PIC register to ensure
3725 it is restored after each call.
3726 (return expander): Corresponding changes.
3728 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3730 * rs6000.h (INIT_EXPANDERS): Delete.
3731 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3732 * rs6000.c (rs6000_override_options): Call *_machine_status from
3734 (rs6000_init_expanders): ...instead of here. Delete.
3735 (rs6000_mark_machine_status): New function.
3736 (rs6000_init_machine_status): Use xcalloc.
3737 (rs6000_return_addr): Generate RTX for the return address.
3738 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3739 (rs6000_stack_info): Use it.
3741 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3743 * gthr-win32.h: Include errno.h to get a declaration for
3744 EINVAL and _mingw.h if the target is mingw32.
3746 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3748 * cpp.texi: Correct typos.
3750 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3752 * explow.c (probe_stack_range): Ensure value passed to
3753 stack_check_libfunc is ptr_mode, not Pmode.
3755 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3757 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3758 case, don't use operand_subword to calculate a SUBREG that is
3761 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3763 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3765 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3766 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3767 valid. If not replace it by equivalent insns.
3769 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3771 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3772 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3773 (c4x_U_constraint, symbolic_address_operand): Likewise.
3774 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3776 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3777 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3778 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3779 anulling slot because of silicon bug.
3780 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3782 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3784 * cppexp.c (parse_charconst): Change `mask' type to agree
3787 2001-01-21 Richard Henderson <rth@redhat.com>
3789 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3790 pic_label_name in a linkonce section.
3792 2001-01-17 Philipp Thomas <pthomas@suse.de>
3794 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3796 * configure: Regenerate.
3798 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3800 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3801 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3803 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3805 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3806 If REVERSE nonzero then condition code in X must be reversed.
3807 (encode_section_info): Optimise if/else.
3808 (avr_function_value): Fix formatting.
3810 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3811 (difficult_branch): Likewise.
3812 (rvbranch): Likewise.
3813 (difficult_rvbranch): Likewise.
3815 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3817 * config/avr/libgcc.S: Fix comment.
3819 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3821 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3823 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3825 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3827 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3829 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3830 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3831 * configure, config.in: Regenerate.
3832 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3833 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3834 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3835 (doprint.o): New rule.
3837 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3839 * c-typeck.c (digest_init): Handle boolean types as scalars.
3841 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3843 * stmt.c (expand_return): Don't return anything if size is zero.
3844 Delete redundant assignment to BYTES.
3845 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3847 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3849 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3850 the same as the default library function names.
3851 * config/avr/avr.md: Document special characters after '%'.
3852 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3853 knowing which of the call-used registers are really clobbered.
3854 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3855 New. Both quotient and remainder from one libgcc.S call.
3856 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3857 clobber as few registers as possible.
3858 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3860 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3862 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3863 context of the top of the stack.
3865 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3867 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3868 (fixup_var_refs_insns): ...here.
3870 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3872 * function.c (fixup_var_refs_insns): Break up into
3873 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3874 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3875 [loop over hash table entries].
3876 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3877 fixup_var_refs_insns_with_hash, to match above changes.
3879 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3881 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3882 (libgcc.a): Likewise.
3883 (stmp-multilib): Likewise.
3884 (STAGE2_FLAGS_TO_PASS): Likewise.
3886 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3888 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3889 temporary if no_new_pseudos.
3891 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3893 * cppinternals.texi: Update.
3895 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3897 * arm.c (arm_init_builtins): Re-enable builtins.
3899 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3901 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3902 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3903 element to be null, and always expect an EXPR_LIST.
3904 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3905 * sched-deps.c (sched_analyze_1): Likewise.
3906 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3908 * regclass.c (max_set_parallel): New variable.
3909 (reg_scan): Take it into account in computation of max_parallel.
3910 (reg_scan_mark_refs, case SET): Compute it.
3912 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3914 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3915 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3917 2001-01-19 Jason Merrill <jason@redhat.com>
3919 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3920 for the abstract instance of an inline function.
3922 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3923 J"orn Rennecke <amylaar@redhat.com>
3925 * reload1.c (move2add_note_store): Treat all registers directly or
3926 indirectly derived from a base register as members of the same set
3928 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3929 of base register into account.
3931 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3933 * alias.c (find_base_value): Recognize TRUNCATE.
3934 (record_set): In PLUS case, invalidate if other summand is also a
3937 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3939 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3940 entry to be EXPR_LIST.
3941 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3942 be an EXPR_LIST (but not null, which other code doesn't allow).
3943 (note_stores): Properly handle PARALLEL in SET.
3944 Recursively call for top-level PARALLEL.
3945 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3946 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3948 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3950 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3952 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3953 not pfile->skipping (== 0).
3955 2001-01-17 Nick Clifton <nickc@redhat.com>
3957 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3960 2001-01-17 Jim Wilson <wilson@redhat.com>
3962 * invoke.texi (IA-64 options): Improve.
3964 2001-01-17 Tom Tromey <tromey@redhat.com>
3966 * invoke.texi (Optimize Options): Use `{}' to around @samp
3969 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3971 * invoke.texi (-fno-guess-branch-probability): New option.
3973 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3975 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3976 case of making new double-word constant.
3977 Revert last change: instead just test i3_subst_into_i2.
3979 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3981 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3982 Use q constraints instead of r.
3984 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3986 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3987 (machine_function): Define.
3988 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3989 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3990 pa_free_machine_status): New functions.
3991 (override_options): Set {init,mark,free}_machine_status to above.
3992 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3993 PIC_OFFSET_TABLE_REGNUM_SAVED.
3994 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3995 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3996 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3997 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3998 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4000 2001-01-15 DJ Delorie <dj@redhat.com>
4002 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4006 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4008 * flow.c (propagate_on_insn): Make trying to delete a prologue
4009 or epilogue insn an ICE, not a warning. Allow doing this if
4010 the current function returns with stack pointer depressed.
4012 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4013 I3 having more than one SET.
4015 2001-01-16 Jim Wilson <wilson@redhat.com>
4017 * invoke.texi: Document IA-64 options.
4019 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4020 (fixup_errata): Delete TARGET_A_STEP use.
4021 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4022 (TARGET_SWITCHES): Delete -ma-step option.
4023 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4024 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4025 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4026 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4027 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4028 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4030 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4031 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4032 cmovsi_internal): Delete ! TARGET_A_STEP check.
4034 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4036 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4037 possibility to report bugs via postal mail. Change a URL and
4038 merge in a nearly duplicate statement...
4039 (Bug Reporting): ...from here.
4040 (Service): Refer to the Bug Reporting section instead of
4042 (Contributing): Remove trivial explanations concerning snapshots.
4044 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4046 * cppmain.c (general_init): Don't use ANSI prototype.
4048 2001-01-16 Tom Tromey <tromey@redhat.com>
4050 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4052 2001-01-16 Richard Henderson <rth@redhat.com>
4054 * config/i386/i386.h: Fix comment typo.
4055 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4056 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4058 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4060 * gcc.c: Revert previous -fsyntax-only-related change; move
4063 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4065 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4066 inmode after checking GET_CODE (op).
4068 2001-01-16 Richard Henderson <rth@redhat.com>
4070 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4071 (MAX_MEM_SET_LIST_LEN): New.
4072 (propagate_one_insn): Update mem_set_list_len.
4073 (invalidate_mems_from_autoinc): Likewise.
4074 (invalidate_mems_from_set): Likewise.
4075 (mark_used_regs): Likewise.
4076 (init_propagate_block_info): Likewise. Stop collecting memories
4077 when we reach MAX_MEM_SET_LIST_LEN.
4078 (mark_set_1): Likewise.
4080 2001-01-16 Richard Henderson <rth@redhat.com>
4082 * unroll.c (precondition_loop_p): Fail if no iteration
4085 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4087 * gcc.c: When -fsyntax-only is given, do not complain about
4090 2001-01-15 Richard Henderson <rth@redhat.com>
4092 * config/i386/i386.c (asm_output_function_prefix): Remove.
4093 (ix86_asm_file_end): New.
4094 (load_pic_register): Generate pic_label_name into a
4095 staticly allocated buffer.
4096 * config/i386/i386-protos.h: Update.
4097 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4098 (ASM_FILE_END): New.
4099 * config/i386/i386afe.h: New file.
4100 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4101 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4102 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4103 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4104 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4105 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4106 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4108 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4110 * Makefile.in (install-man): Remove explicit dependency on
4113 * configure.in, configure: Revert previous patch requiring perl
4116 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4118 * toplev.c (flag_guess_branch_prob): New.
4119 (f_options): Add guess-branch-probability option.
4120 (rest_of_decl_compilation): Only estimate branch probability if
4122 (main): set flag_guess_branch_prob.
4124 * flags.h (flag_guess_branch_prob): New.
4126 2001-01-15 DJ Delorie <dj@redhat.com>
4128 * gcc.texi (Makefile): Add documentation for Makefile targets.
4130 2001-01-15 Philip Blundell <philb@gnu.org>
4132 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4134 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4135 (is_pic): Delete declaration.
4136 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4137 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4138 * config/arm/arm.md (builtin_setjmp_receiver): New.
4140 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4142 * arm.c (use_return_insn): Don't try to determine the function type
4143 until after reload has completed.
4144 (arm_output_epilogue): Don't adjust the sp value recovered from the
4146 (emit_multi_reg_push): Don't record dwarf information for the pc.
4147 * arm.md (eh_epilogue): The function type may have changed, so it
4148 needs to be recalculated.
4149 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4150 unwind tables on arm/netbsd.
4152 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4154 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4155 (negated_cbranchsi4): Likewise.
4157 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4159 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4160 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4161 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4162 pass -mapcs-* options to assembler.
4163 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4164 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4165 (ASM_SPEC): Call subtarget_extra_asm_spec.
4167 2001-01-15 Andreas Jaeger <aj@suse.de>
4169 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4171 (ix86_expand_builtin): Likewise.
4173 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4174 warning about comparison between signed and unsigned.
4176 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4178 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4180 2001-01-14 Ralf Baechle <ralf@gnu.org>
4182 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4183 SUBTARGET_CPP_SPEC apropriatly.
4185 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4187 * varasm.c (make_decl_rtl): Fix typo in last change.
4189 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4191 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4192 linker supports the init_priority C++ attribute.
4193 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4194 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4195 linker does not support init_priority C++ attribute.
4197 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4199 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4201 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4203 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4204 * cp/lex.c (finish_parse): Similarly.
4205 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4206 Return the number of errors encountered.
4207 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4208 * cppmain.c (main): Don't call cpp_destroy.
4210 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4212 * configure.in: Require at least perl 5.6.0 to regenerate
4214 * configure: Regenerate.
4216 2001-01-14 Richard Henderson <rth@redhat.com>
4218 * genrecog.c (DT_veclen_ge): New.
4219 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4220 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4221 (nodes_identical_1): Handle DT_veclen_ge.
4222 (write_cond, debug_decision_2): Likewise.
4224 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4226 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4228 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4230 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4232 * cppmain.c (do_preprocessing): New function; most of the old
4234 (main): Call it to do most of the work.
4235 (cb): Move from global scope to set_callbacks ().
4236 (setup_callbacks): Get the callback pointer.
4237 (general_init, printer_init): Clean up code and comments.
4239 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4241 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4244 2001-01-14 Kazu Hirata <kazu@hxi.com>
4246 * config/h8300/h8300.c (get_shift_alg): Update comments.
4248 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4250 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4251 (alloc_page, ggc_alloc): Add casts to remove warnings.
4253 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4255 * combine.c (simplify_comparison): Don't change `code' when
4256 can't reverse comparison.
4258 2001-01-14 Richard Henderson <rth@redhat.com>
4260 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4261 update all call sites. Return true for all non-label constants.
4263 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4265 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4267 (ix86_expand_branch): Update.
4268 (ix86_expand_setcc): Update to handle multiple test conditions.
4269 (expand_int_movcc): Likewise.
4270 (expand_fp_movcc): Likewise.
4271 * i386-protos.h (ix86_expand_compare): New.
4272 * i386.md (andqi_?_slp, orqi_?_slp): New.
4273 (conditional trap expander): Update call to ix86_expand_compare.
4275 2001-01-14 Richard Henderson <rth@redhat.com>
4277 * config/vax/vax.md: Use nonimmediate_operand instead of
4278 general_operand in destinations.
4280 * config/vax/vax.md (indirect_jump): Use register_operand.
4282 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4283 * config/vax/vax.md (call_pop): Turn into an expander.
4284 (call_value_pop): Likewise.
4285 (call, call_value): New.
4287 2001-01-14 Andreas Jaeger <aj@suse.de>
4289 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4291 (ix86_fp_compare_mode): Add unused attribute.
4292 (ix86_expand_fp_movcc): Remove unused variable.
4293 (ix86_expand_builtin): Make fcode unsigned.
4295 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4296 (expand_expr): Add cast to avoid signed warning.
4297 (store_field): Likewise.
4298 (store_constructor_field): Likewise.
4299 (store_constructor): Likewise.
4300 (store_expr): Likewise.
4301 (clear_storage): Likewise.
4302 (emit_group_store): Likewise.
4303 (emit_group_load): Likewise.
4305 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4307 * c-common.c: Move format checking code to ...
4308 * c-format.c: ... here. New file. Reorder some functions and
4310 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4312 * c-common.h (decl_handle_format_attribute,
4313 decl_handle_format_arg_attribute): Declare.
4314 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4315 (c-common.o): Adjust dependencies.
4316 (c-format.o): New list of dependencies.
4318 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4320 * unroll.c (loop_iterations): If we cannot prove iteration variable
4321 is set once in each iteration, punt.
4323 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4325 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4326 (*strlenhi): Remove clobber (which was buggy) of output address.
4328 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4330 * Makefile.in (generated-manpages): Add gcc.1
4331 ($(srcdir)/gcc.1): New target.
4332 (maintainer-clean): Delete $(srcdir)/gcc.1.
4333 * gcc.texi: Add macros @gccoptlist and @gol.
4334 * invoke.texi: Include option summary in manpage. Mark up option
4335 summary with @gccoptlist and @gol. Use @r in one place where
4337 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4338 * gcc.1: Generate from invoke.texi.
4340 2001-01-13 Richard Henderson <rth@redhat.com>
4342 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4343 (struct page_entry): Add group member.
4344 (struct page_group): New.
4345 (struct globals): Add page_groups member.
4346 (alloc_anon): Only define for using mmap; remove valloc call.
4347 (page_group_index): New.
4348 (set_page_group_in_use): New.
4349 (clear_page_group_in_use): New.
4350 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4351 (free_page, release_pages): Likewise.
4352 * configure.in (with-gc): Default to ggc-page always.
4354 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4356 * reload1.c (replace_pseudos_in_call_usage): Use
4357 reg_equiv_constant and reg_equiv_address, and don't try
4358 regno_reg_rtx first.
4360 2001-01-13 Richard Henderson <rth@redhat.com>
4362 * ggc-page.c (alloc_page): Round up allocation size to one page.
4363 Set e->order on extra pages.
4365 2001-01-13 Richard Henderson <rth@redhat.com>
4367 * genrecog.c (nodes_identical): Expand commentary.
4368 (write_switch): Watch out for identical nodes.
4370 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4372 * cppfiles.c (_cpp_fake_include): New function.
4373 * cpphash.h (_cpp_fake_include): New.
4374 * cpplib.c (do_line): Call _cpp_fake_include when entering
4375 header files in preprocessed input.
4376 * cppmain.c (cb_pragma_implementation): Remove handling.
4377 (setup_callbacks): Don't register pragmas.
4379 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4381 * extend.texi: Udate for CPP.
4383 2001-01-13 Andreas Jaeger <aj@suse.de>
4385 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4387 * regmove.c: Add prototype for replace_in_call_usage.
4389 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4391 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4392 struct cpp_chunk, struct htab, struct toklist,
4393 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4394 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4395 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4396 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4397 (struct macro_args): Delete.
4398 * cpphash.h: See above.
4400 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4402 * cppmain.c (struct printer): Remove no_line_dirs.
4404 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4405 : Use options rather than CPP_OPTION.
4406 (setup_callbacks): Use cb rather than pfile->cb.
4407 (main): No need to check for a buffer. Use cpp_errors.
4408 (printer_init): Don't set no_line_dirs.
4409 (maybe_print_line): Use options not no_line_dirs.
4410 (cb_file_change): Don't call print_line if -P.
4412 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4414 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4416 * c-parse.in (finish_parse): Use cpp_errors.
4417 (__yylex): Use return value of cpp_pop_buffer.
4418 * cp/lex.c (finish_parse): Use cpp_errors.
4419 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4421 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4423 * README.AVR: URLs corrected.
4425 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4427 * c-decl.c (start_function): Don't warn if old prototype is builtin
4428 that's not in C's namespace.
4429 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4430 (_bb): Add prototype for ctime.
4431 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4433 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4435 * i386.c (ix86_fp_comparison_arithmetics_cost,
4436 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4437 ix86_fp_comparison_cost): New functions.
4438 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4439 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4440 two-branch sequences; make static.
4441 (ix86_use_fcomi_compare): Do decision according to the costs.
4442 (split_fp_branch): New.
4443 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4444 * i386-protos.h (ix86_expand_fp_compare): Remove
4445 (ix86_split_fp_branch): Declare.
4447 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4448 and ix86_comparison_operator.
4450 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4453 * i386.c (put_condition_code): Output properly the unordered/ordered
4454 compares in fp case.
4455 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4457 * tm.texi (REVERSE_CONDITION): Document.
4458 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4459 in -ffast-math mode.
4460 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4462 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4464 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4466 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4469 * config/sh/sh.c (mova_p): Fix test for mova_const.
4471 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4473 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4474 cpp_get_options rather than dereferencing pfile and using
4476 * scan-decls.c (scan_decls): Use return value of
4477 cpp_pop_buffer rather than CPP_BUFFER.
4479 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4481 * cppinit.c (cpp_handle_option): help_only is now part of the
4482 cpp_options structure.
4483 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4484 cpp_set_callbacks): New functions.
4485 * cpplib.h (cpp_callbacks): Break out as a named structure.
4486 (cpp_options): Move help_only here from cpp_reader.
4487 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4488 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4489 cpp_set_callbacks): New prototypes.
4490 * cppmain.c (main): Update for help_only.
4492 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4494 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4495 Also build and remove and install and uninstall c-tree.info and
4497 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4498 ($(srcdir)/cppinternals.info): New target.
4499 * c-tree.texi: Change file name used when makeinfo used without -o
4500 from ir.info to c-tree.info. Add info directory entry.
4501 * cppinternals.texi: Add info directory entry.
4502 * .cvsignore: Update.
4504 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4506 * c-typeck.c (store_init_value): Don't require constant initializer
4507 elements with -pedantic -std=c99.
4508 (digest_init): Change error about non-constant initializer elements
4510 (constructor_range_end): Remove.
4511 (constructor_incremental, designator_depth,
4512 designator_errorneous): New variables.
4513 (struct constructor_stack): Remove range_end, add incremental.
4514 (struct constructor_range_stack, constructor_range_stack): New.
4515 (struct initializer_stack): Add constructor_range_stack.
4516 (finish_init): Set it.
4517 (start_init): Likewise. require_constant_elements for non-static
4518 trees only if not flag_isoc99.
4519 (really_start_incremental_init): Remove constructor_range_end, add
4520 constructor_incremental.
4521 (pop_init_level): Likewise.
4522 (push_init_level): Likewise. If implicit and the subobject had some
4523 value set already, preinitialize the level with it.
4524 Warn about missing braces only if not pushing due to designators.
4525 (set_designator, push_range_stack): New functions.
4526 (set_init_label): Use them.
4527 (set_init_index): Likewise. Remove constructor_range_end.
4528 Error if designator index is outside of array bounds.
4529 (add_pending_init): Compare values of purpose index trees, not the
4530 trees themselves. Allow overwriting of already initialized element.
4531 Issue a warning if it had side-effects.
4532 (set_nonincremental_init, set_nonincremental_init_from_string): New
4534 (pending_init_member): Rename to...
4535 (find_init_member): ...this function. Call set_nonincremental_init
4536 if necessary. Compare values of purpose index trees, not the trees
4537 themselves. Return the actual value, not just non-zero if something
4539 (output_init_element): Remove checks for duplicates.
4540 If field has zero size, only check the initializer for correctness.
4541 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4542 if constructor_incremental is zero. Change error about initializers
4543 not computable at load time into pedwarn.
4544 (output_pending_init_elements): Compare bit positions, not
4545 FIELD_DECLs to take into account zero-sized fields.
4546 (process_init_element): Use constructor_range_stack to fill all
4547 ranges in the designator lists from current level up.
4548 * extend.texi: Update documentation for labeled elements.
4550 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4552 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4553 to function usage for arguments passed by reference. Optimize
4554 callee-copied arguments.
4555 * regmove.c (replace_in_call_usage): New function.
4556 (fixup_match_1): Call it.
4557 * cse.c (cse_insn): Canonicalize registers in function usage.
4558 * reload1.c (replace_pseudos_in_call_usage): New function.
4561 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4564 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4566 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4569 2001-01-12 DJ Delorie <dj@redhat.com>
4571 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4572 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4575 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4577 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4578 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4579 -std options alongside references to -ansi. Update some
4580 documentation for C99.
4581 * cpp.1: Regenerate.
4583 2001-01-12 Andreas Jaeger <aj@suse.de>
4585 * haifa-sched.c (restore_line_notes): Remove argument block B
4587 * sched-ebb.c (schedule_ebb): Change caller.
4588 * sched-rgn.c (schedule_region): Likewise.
4589 * sched-int.h (restore_line_notes): Adjust prototype.
4591 * loop.h: Remove wrong declaration of doloop_condition_get.
4593 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4595 * extend.texi: Move C++-extension-related node from the C section
4596 into the C++ section.
4598 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4600 * extend.texi: Refer to an array of pointers to functions instead
4601 of one of functions.
4603 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4604 Jan Hubicka <jh@suse.cz>
4606 * combine.c (reversed_comparison): Fix typo in last patch.
4608 (combine_reversed_comparison_code): Make static to follow
4609 prototype declaration.
4611 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4613 * install.texi: Remove misplaced duplicate entry.
4615 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4617 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4619 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4621 * final.c: (leaf_function_p): Fix typo.
4623 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4625 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4626 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4628 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4629 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4630 mmap_anon, and valloc is available.
4631 * ggc-page.c: Restructure ifdef logic to match new autoconf
4632 spec. Don't throw away the test page in init_ggc.
4634 * configure, config.in: Regenerate.
4636 2001-01-12 Michael Hayes <mhayes@redhat.com>
4638 * loop.h (total_biv_increment): Constify iv_class pointer.
4639 (struct induction): Replace `mem_mode' with `mem' rtx.
4640 * unroll.c (total_biv_increment): Constify iv_class pointer.
4641 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4642 (find_mem_givs, combine_givs_p): Likewise.
4643 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4645 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4647 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4649 (__gthread_getspecific): Ditto.
4651 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4653 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4654 put_condition_code): Convert fp comparison codes to integer
4656 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4659 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4660 * i386-protos.h (no_comparison_operator): Kill.
4662 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4664 * combine.c (REVERSIBLE_CC_MODE): Remove.
4665 (reversible_comparison_p): Remove.
4666 (combine_reversed_comparison_code): New.
4667 (reversed_comparison): New.
4668 (combine_simplify_rtx): Use
4669 combine_reversed_comparison_code/reversed_comparison instead
4670 of reversible_comparison_p.
4671 (simplify_if_then_else): Likewise.
4672 (simplify_set): Likewise.
4673 (simplify_logical): Likewise.
4674 (if_then_else_cond): Likewise.
4675 (known_cond): Likewise.
4676 (simplify_comparison): Likewise.
4678 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4680 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4681 sizeof (int) is larger than sizeof(__word__).
4683 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4685 * cppinit.c (do_includes): Fix typo.
4687 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4689 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4690 in S_REGS does not occur because not all sources are possible
4691 when a S_REGS is a destination (sometimes needs a clobber).
4692 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4693 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4694 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4695 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4696 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4697 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4698 (lshrdi_const1, lshrsi3_const16): Likewise.
4699 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4700 (*movhi_68hc12, *movqi_68hc12): Likewise.
4701 (movstrictqi): Make sure reloading in D_REGS as a destination
4704 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4706 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4708 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4710 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4711 -D, -U and -A, and don't initialize the builtins.
4712 (do_includes): Error if -include or -imacros with -fpreprocessed.
4713 * cppmain.c (cb_define, cb_undef): Unconditionally process
4715 * tradcpp.c (main): Fix typo.
4717 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4719 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4720 (read_name_map): Use IS_ABSOLUTE_PATH.
4721 * tradcpp.c (get_filename): Likewise.
4723 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4725 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4726 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4727 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4728 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4729 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4730 (cmphi_z_used): Don't use '@' for the output.
4731 (tstqi_z_used): Likewise.
4732 (cmpqi_z_used): Likewise.
4733 (one_cmplsi2): Likewise.
4735 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4737 * config/sh/sh.c (barrier_align): Recognize branch around far
4738 branch and redundant insn.
4740 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4742 * invoke.texi: Restore documentation of the drivers' switches -MD
4745 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4747 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4749 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4750 check-objc//%): Support parallel testing of multilibs.
4751 (TESTSUITEDIR): Set to testsuite by default, but override for
4753 (check-gcc, check-g++, check-g77, check-objc): Enter
4756 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4758 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4759 * sched-deps.c (deps_may_trap_p): Likewise.
4760 * basic-block.h: Remove a comment.
4761 * flow.c (PROP_POSTRELOAD): Remove.
4762 (update_life_info): Don't add it to prop_flags.
4763 (mark_set_1): Lose the code that was enabled by it.
4765 2001-01-11 Michael Hayes <mhayes@redhat.com>
4767 * flow.c (flow_call_edges_add): New.
4768 * basic_block.h (flow_call_edges_add): New.
4770 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4772 * reload1.c (move2add_note_store): Update reg_set_luid even if
4773 base reg remains the same.
4775 2001-01-10 Nick Clifton <nickc@redhat.com>
4777 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4778 machine_function structure to zero.
4779 Add prototypes for machine_status functions.
4781 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4783 * c-common.h (CTI_VOID_LIST): Remove.
4784 (void_list_node): Likewise.
4785 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4786 (void_list_node): New macro.
4787 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4788 * config/i386/i386.c (ix86_init_builtins): Likewise.
4789 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4791 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4793 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4794 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4796 * tradcpp.c: Include mkdeps.h.
4797 (deps, print_deps_phony_targets, deps_append, output_deps,
4798 init_dependency_output, output_deps): New.
4799 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4800 deps_output): Delete.
4801 (print_deps_missing_files): Rename deps_missing_files.
4802 (inhibit_output): Make global.
4803 (main): Delete inhibit_output, deps_stream, deps_target.
4804 Use mkdeps functionality in the same way as cpplib. Remove
4805 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4806 -M and -MM. Remove old handling of deps via deps_out, and
4807 old reading of environment variables.
4808 (get_filename): Update to use deps_add_dep.
4810 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4812 * output.h (make_function_rtl): Remove prototype.
4813 (make_decl_rtl): Likewise.
4814 * varasm.c (make_function_rtl): Remove.
4815 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4816 than from a third parameter.
4817 * tree.h (make_decl_rtl): Remove last parameter.
4818 * c-decl.c (builtin_function): Remove last argument in call to
4819 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4820 (start_function): Likewise.
4821 * except.c (call_get_eh_context): Likewise.
4822 * expr.c (emit_block_move): Likewise.
4823 (clear_storage): Likewise.
4824 * profile.c (output_func_start_profiler): Likewise.
4825 * toplev.c (rest_of_decl_compilation): Likewise.
4826 * objc/objc-act.c (create_builtin_decl): Likewise.
4827 (synth_module_prologue): Likewise.
4828 (generate_static_reference): Likewise.
4829 (build_selector_reference_decl): Likewise.
4830 (build_class_reference_decl): Likewise.
4831 (build_objc_string_decl): Likewise.
4832 (build_protocol_reference): Likewise.
4834 2001-01-10 Richard Henderson <rth@redhat.com>
4836 * hwint.h: Revert yesterday's change.
4838 2001-01-10 Nick Clifton <nickc@redhat.com>
4840 * function.h (save_machine_status): Delete.
4841 (restore_machine_status): Delete.
4842 Amend comment describing {init|mark|free}_machine_status.
4844 * function.c (save_machine_status): Delete.
4845 (restore_machine_status): Delete.
4846 Amend comment describing {init|mark|free}_machine_status.
4847 (push_function_context_to): Remove invocation of
4848 save_machine_status.
4849 (pop_function_context_from): Remove invocation of
4850 restore_machine_status.
4852 * emit-rtl.c (init_emit_once): Amend comment describing
4853 {init|mark|free}_machine_status.
4855 * tm.texi (Per-Function Data): New node. Describe the
4856 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4859 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4861 * cppinit.c (OPT_g): Remove.
4862 (cpp_handle_option): Update for removed -g3.
4863 (print_help): Update.
4864 * cpplib.h (struct cpp_options): Remove debug_output.
4865 * cppmain.c (setup_callbacks, cb_define): Update.
4866 * gcc.c (cpp_options): Translate -g3 to -dD.
4868 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4870 * config/i960/i960.md: Change modifier to + on the zero_extract
4871 pattern after the (rotate -2 reg) canonicalization pattern.
4873 2001-01-10 Richard Henderson <rth@redhat.com>
4875 * config/alpha/alpha.c (alpha_free_machine_status): New.
4876 (override_options): Install it.
4877 (alpha_mark_machine_status): Verify machine non-null.
4878 * config/i386/i386.c (ix86_free_machine_status): New.
4879 (override_options): Install it.
4880 (ix86_init_machine_status): Use xcalloc.
4881 (ix86_mark_machine_status): Verify machine non-null.
4882 * config/ia64/ia64.c (ia64_free_machine_status): New.
4883 (ia64_override_options): Install it.
4884 (ia64_mark_machine_status): Verify machine non-null.
4886 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4888 * function.c (instantiate_virtual_regs): Instantiate virtual
4889 registers found in CALL_INSN_FUNCTION_USAGE.
4891 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4893 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4894 equivalent to -ansi in disabling -Di386.
4896 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4898 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4900 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4902 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4904 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4906 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4908 * invoke.texi: Document that -fcond-mismatch isn't supported for
4911 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4913 * gcc.texi: Define macro gcctabopt.
4914 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4915 @command, @env and @option in some places where appropriate. Use
4916 @gcctabopt where appropriate. Put URLs and email addresses inside
4919 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4921 * gcc.c (cpp_options): Set MD file name from output
4922 filename, if specified.
4923 (suffix_subst): New static variable.
4924 (do_spec): Clear it.
4925 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4927 (give_switch): Handle suffix_subst.
4929 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4931 * invoke.texi: Fix another typo.
4933 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4935 * invoke.texi: Fix typo.
4937 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4939 * c-lang.c (lang_hooks): Update.
4940 (lang_decode_option): Remove.
4941 (lang_init_options): Rename c_init_options.
4942 * toplev.c (main): Use lang_hooks for lang_init_options
4943 and lang_decode_option.
4944 * toplev.h (lang_hooks): Add 2 new hooks.
4945 * tree.h: Remove lang_init_options and lang_decode_option.
4946 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4947 * cp/decl2.c: Similarly.
4948 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4949 (lang_hooks): Update.
4950 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4952 (lang_init_options): Rename ffe_init_options.
4953 (lang_hooks): Update.
4954 (lang_decode_option): Remove.
4955 * java/lang.c (lang_init_options): Rename java_init_options.
4956 (lang_decode_option): Rename java_decode_option.
4957 (lang_hooks): Update.
4958 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4959 (lang_decode_option): Rename objc_decode_option.
4960 (lang_hooks): Update.
4962 2001-01-09 Nick Clifton <nickc@redhat.com>
4964 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4965 (d30v_return_addr_rtx): Delete.
4966 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4967 cfun->machine structure.
4968 (struct machine_function): Move to d30v.h
4969 (d30v_save_machine_status): Delete.
4970 (d30v_restore_machine_status): Delete.
4971 (d30v_init_machine_status): New Function.
4972 (d30v_mark_machine_status): New Function.
4973 (d30v_free_machine_status): New Function.
4974 (d30v_init_expanders): Use new functions.
4975 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4976 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4977 d30v_return_addr_rtx.
4979 * config/d30v/d30v.h (struct_machine): Move here.
4980 Add eh_epilogue_sp_ofs field.
4982 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4983 field in cfun->machine structure.
4985 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4987 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4988 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4989 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4991 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4993 * objc/lang-options.h: Remove bogus reference to
4996 2001-01-09 Kazu Hirata <kazu@hxi.com>
4998 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5001 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5003 * reload.c (find_reloads_address): Check for eliminable registers
5004 when substituting a constant expression for a pseudo.
5006 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5008 * c-common.c (enum format_type): Add format_type_error.
5009 (decode_format_type): New function.
5010 (decl_attributes): Use it.
5011 (format_kind_info): Adjust comment.
5013 2001-01-09 David O'Brien <obrien@BSDi.com>
5015 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5016 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5018 * config/i386/gnu.h: Don't include required platform specific .h files,
5019 tm.h will do it instead.
5020 * config/i386/i386elf.h: Likewise.
5021 * config/i386/linux.h: Likewise.
5022 * config/i386/moss.h: Likewise.
5023 * config/mips/gnu.h: Likewise.
5025 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5027 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5028 (rs6000-ibm-aix3.[01]*): Likewise.
5029 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5030 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5031 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5032 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5033 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5034 (powerpc-*-eabiaix*): Likewise.
5035 (powerpc-*-eabisim*): Likewise.
5036 (powerpc-*-elf*): Likewise.
5037 (powerpc-*-eabi*): Likewise.
5038 (powerpc-*-rtems*): Likewise.
5039 (powerpc-*-linux*libc1): Likewise.
5040 (powerpc-*-linux*): Likewise.
5041 (powerpc-wrs-vxworks*): Likewise.
5042 (powerpcle-wrs-vxworks*): Likewise.
5043 (powerpcle-*-sysv*): Likewise.
5044 (powerpcle-*-elf*): Likewise.
5045 (powerpcle-*-eabisim*): Likewise.
5046 (powerpcle-*-eabi*): Likewise.
5047 (powerpcle-*-solaris2*): Likewise.
5048 * config/rs6000/aix31.h: Delete includes.
5049 * config/rs6000/aix3newas.h: Likewise.
5050 * config/rs6000/aix41.h: Likewise.
5051 * config/rs6000/aix43.h: Likewise.
5052 * config/rs6000/beos.h: Likewise.
5053 * config/rs6000/rtems.h: Likewise.
5054 * config/rs6000/sysv4.h: Likewise.
5056 2001-01-09 Kazu Hirata <kazu@hxi.com>
5058 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5059 Change an argument mode of machine_mode to shift_mode of
5060 shift_mode. Remove an extra error check.
5061 (emit_a_shift): Adopt to the new calling prototype of
5063 (function_prologue): Fix code for a monitor
5064 function. Support H8/S.
5065 (function_epilogue): Do not output pop for a monitor function.
5067 2001-01-09 Nick Clifton <nickc@redhat.com>
5069 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5070 (setup_incoming_varargs): Use sysv_varargs_p field of the
5071 cfun->machine structure.
5072 (struct machine_function): Move to rs6000.h
5073 (rs6000_save_machine_status): Delete.
5074 (rs6000_restore_machine_status): Delete.
5075 (rs6000_init_machine_status): New Function.
5076 (rs6000_free_machine_status): New Function.
5077 (rs6000_init_expanders): Use new functions.
5079 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5081 (struct machine_function): Move here.
5083 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5084 sysv_varargs_p field of the cfun->machine structure.
5086 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5088 (rs6000_restore_machine_status): Remove prototype.
5090 2001-01-09 Richard Henderson <rth@redhat.com>
5092 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5093 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5094 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5095 (sched_analyze_2, sched_analyze_insn): Likewise.
5096 (sched_analyze, init_deps): Likewise.
5097 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5098 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5099 (compute_block_backward_dependences): Update propagate_deps call.
5101 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5103 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5105 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5107 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5108 (cpp_handle_option): Handle them.
5109 (cpp_post_options): Ensure one of -M or -MM is specified with
5110 any other -M? option.
5111 (init_dependency_output): Suppress output with -MG.
5113 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5116 * invoke.texi: Update.
5118 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5120 * sh.md (reload_outsf): Generate recognizable patterns for
5123 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5125 * c-lang.c (lang_hooks): Update.
5126 (lang_init): Rename c_init.
5127 (lang_finish): Remove.
5128 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5130 * toplev.h (lang_hooks): Add init () and finish ().
5131 * tree.h (lang_init, lang_finish): Remove.
5132 * cp/tree.h (lang_init, lang_finish): Remove.
5133 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5134 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5136 (lang_init, lang_finish): Remove.
5137 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5138 (lang_hooks): Update.
5139 * java/lang.c (lang_init): Rename java_init.
5140 (lang_finish): Remove.
5141 (lang_hooks): Update.
5142 * objc/objc-act.c (lang_init): Rename objc_init.
5143 (lang_finish): Remove.
5144 (lang_hoooks): Update.
5146 20001-01-09 Graham Stott <grahams@redhat.com>
5148 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5149 after `ptr` is initialised.
5151 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5153 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5154 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5155 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5156 stack adjusts, instead of r3.
5158 2001-01-09 Michael Hayes <mhayes@redhat.com>
5160 * flow.c (flow_loop_scan): Break out of ...
5161 (flow_loops_find) ... here.
5162 * basic-block.h (flow_loop_scan): New.
5163 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5164 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5166 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5168 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5170 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5171 realloc()ing macro_buffer.
5173 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5174 if it's wider than long and the target's long is wider than the
5177 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5179 Remove support for using UWIN as a host machine.
5180 * configure.in: Issue an error message.
5181 * configure: Regenerated.
5182 * config.gcc: Remove xm_* UWIN configury.
5183 * config/i386/xm-uwin.h: Remove.
5185 2001-01-08 Nick Clifton <nickc@redhat.com>
5187 * config/v850/v850.c (ra_rtx): Delete.
5188 (v850_save_machine_status): Delete.
5189 (v850_restore_machine_status): Delete.
5190 (v850_init_machine_status): New function.
5191 (v850_mark_machine_status): New function.
5192 (v850_free_machine_status): New function.
5193 (v850_return_addr): Use ra_rtx field in machine structure.
5194 (v850_init_expanders): Use new functions.
5196 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5197 * config/v850/v850.c: Change arguments to v850_output+* functions
5198 to take a const char *, to avoid compile time warning.
5199 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5200 (USER_LABEL_PREFIX): Redefine.
5202 2000-01-08 Jim Wilson <wilson@redhat.com>
5204 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5205 1 to unsigned HOST_WIDE_INT before left shift.
5207 2001-01-08 Nick Clifton <nickc@redhat.com>
5209 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5210 the machine structure has been allocated.
5211 (arm_free_machine_status): New function: Free the machine
5212 specific function structure.
5214 2001-01-08 Richard Henderson <rth@redhat.com>
5216 * jump.c (simplejump_p): Revert last change.
5218 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5220 * cppinit.c (init): Rename init_library.
5221 (cpp_create_reader): Update.
5222 * gcc.c (cpp_options): If -o given, use it as the target of
5225 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5227 * arm.c (arm_arch5e): New variable.
5228 (all_cores): XScale is a 5TE device.
5229 (arm_override_options): Set arm_arch5e.
5230 (arm_init_builtins): __builtin_prefetch is in arch5e.
5231 * arm.h (arm_arch5e): Declare it.
5233 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5235 * arm.md (define_constants): Add defines for UNSPEC and
5236 UNSPEC_VOLATILE insns. Update all users.
5237 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5238 * arm.c (multi_register_push, note_invalid_constants)
5239 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5240 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5241 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5243 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5245 * jump.c (jump_optimize_1): Use reversed_comparison_code
5246 instead of can_reverse_comparison_p.
5247 (jump_back_p): Likewise.
5248 (invert_exp_1): Likewise.
5249 (thread_jumps): Likewise.
5250 * simplify-rtx.c (simplify_unary_operation): Likewise.
5251 (simplify_ternary_operation): Likewise.
5252 * cse.c (find_comparison_args): Convert to use
5253 can_reverse_comparison_p.
5254 (record_jump_equiv): Likewise.
5256 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5258 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5259 (EPILOGUE_USES): Define.
5260 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5261 automatically stack the LR if it isn't live.
5263 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5265 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5268 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5270 * ggc-page.c (max_alignment): New structure.
5271 (MAX_ALIGNMENT): New macro.
5272 (init_ggc): Use it to round up the sizes in the
5273 extra_order_size_table.
5275 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5277 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5280 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5282 * builtins.def (BUILT_IN_FPRINTF): New entry.
5284 * c-common.c (c_expand_builtin_fprintf): New function.
5285 (init_function_format_info): Handle __builtin_fprintf.
5286 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5287 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5289 * c-decl.c (duplicate_decls): Adjust comment.
5291 * extend.texi (fprintf): Document new builtin.
5293 2001-01-07 Richard Henderson <rth@redhat.com>
5295 * jump.c (simplejump_p): Recognize any single_set jump
5298 2001-01-07 Richard Henderson <rth@redhat.com>
5300 * configure.in (slibdir): Accept an --with-slibdir option.
5301 Use "test" not "[" in configure. Default to $(libdir).
5303 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5305 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5306 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5307 (SHLIB_LINK): Create links for the soname.
5308 * config/mips/t-iris6: Likewise.
5309 * config/sparc/t-slibgcc: Likewise.
5310 * config/sparc/t-slibgcc-sld: Likewise.
5312 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5314 * config/i386/i386.c (constant_call_address_operand): Accept
5315 (const (plus (symbol_ref) (const_int))).
5316 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5317 constant_call_address_operand.
5319 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5321 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5322 and LONG_LONG_TYPE_SIZE > 32.
5324 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5326 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5327 the previous change.
5329 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5331 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5333 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5334 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5335 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5338 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5340 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5342 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5344 * c-lang.c (c_post_options): Call cpp_post_options.
5345 * objc/objc-act.c (objc_post_options): Similarly.
5346 * cppmain.c (main): Similarly.
5347 * fix-header.c (read_scan_file): Similarly.
5348 * cppinit.c (cpp_start_read): Move option consistency checks
5349 to cpp_post_options. Don't call init_dependency_output.
5350 If needed, add default target and main file dependency.
5351 (OPT_MD, OPT_MMD): Remove.
5353 (cpp_handle_option): Update for OPT_* changes.
5354 (cpp_post_options): New.
5355 (init_dependency_output): Command line -MF overrides environment
5356 variables. Don't set default target etc. Suppress output
5357 if dependencies are going to stdout.
5358 (print_help): Update.
5359 * cpplib.h (cpp_post_options): New.
5360 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5362 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5364 * jump.c (comparison_dominates_p): Support unordered compares.
5366 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5368 * simplify-rtx.c (simplify_relational_operation): Always simplify
5369 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5372 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5374 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5375 (nonzero_bits): Likewise.
5376 (simplify_comparison): Likewise.
5377 (num_sign_bit_copies): Likewise; return more sane value depending
5378 on STORE_FLAG_VALUE.
5379 (known_cond): Do not assume EQ to be always true for equivalent
5382 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5384 * cse.c (fold_rtx): Handle unordered comparisons.
5386 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5388 * rtlanal.c (set_of_1): New static function.
5389 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5390 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5391 reg_set_last_last_regno): Remove.
5392 (set_of): New global function.
5393 (set_of_data): New structure.
5394 (reg_set_p, reg_set_last): Revamp for set_of.
5395 * rtl.h (set_of): New.
5397 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5399 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5400 * extend.texi: Document _Exit builtin.
5402 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5404 * (initialize, initialize_builtins,
5405 initialize_dependency_output, initialize_standard_includes):
5406 Rename s/initialize/init. Update.
5407 (init_dependency_output): Move to after
5408 cpp_handle_options, the correct location temporally at least.
5409 (opt_comp): Move next to init (), its caller. Fix prototype.
5410 (init): Make "initialized" local scope.
5411 (cpp_create_reader): Always call init ().
5412 (cpp_start_read): Update.
5413 (output_deps): New function, broken out of cpp_finish.
5414 (cpp_finish): Break out output_deps.
5416 2001-01-07 Richard Henderson <rth@redhat.com>
5418 * collect2.c (COFF specific stuff): Revert 12-06 patch
5419 to prototype system functions.
5421 2001-01-07 Michael Hayes <mhayes@redhat.com>
5423 * hard-reg-set.h: Add multiple include guard.
5424 * basic-block.h (struct loop): Add `sink' field.
5425 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5426 (emit_iv_add_mult): Delete.
5427 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5428 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5429 (unroll_loop): Remove end_insert_before argument.
5430 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5431 (maybe_eliminate_biv_1): Likewise.
5432 (emit_iv_add_mult): Delete.
5433 (gen_add_mult, loop_regs_update): New.
5434 (loop_insn_emit_after, loop_insn_emit_before): New.
5435 (loop_insn_sink, loop_insn_sink_or_swim): New.
5436 (emit_iv_add_mult): Delete.
5437 (scan_loop): Set loop->sink.
5438 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5439 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5440 (maybe_eliminate_biv_1): Likewise.
5441 (maybe_eliminate_biv_1): Add basic block argument.
5442 * unroll.c (unroll_loop): Remove end_insert_before argument.
5443 (find_splittable_regs): Likewise.
5444 (find_splittable_regs): Use loop_insn_sink and its ilk.
5445 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5447 2001-01-07 Michael Hayes <mhayes@redhat.com>
5449 * loop.h (loop_insn_hoist): New prototype.
5450 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5451 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5452 (check_dbra_loop, load_mems): Likewise.
5453 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5454 (find_splittable_givs): Likewise.
5456 2001-01-07 Michael Hayes <mhayes@redhat.com>
5458 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5460 2001-01-07 Richard Henderson <rth@redhat.com>
5462 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5464 2001-01-07 Richard Henderson <rth@redhat.com>
5466 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5467 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5468 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5469 variant that handles a shared libgcc.
5470 (process_command): Always validate -{static,shared}-libgcc.
5471 (do_spec_1): New 'M' case.
5472 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5474 2001-01-07 Richard Henderson <rth@redhat.com>
5476 * Makefile.in (slibdir): New variable.
5477 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5478 (installdirs): Create slibdir.
5479 (install-libgcc, install-multilib): Defer to libgcc.mk.
5480 * configure.in (slibdir): Substitute.
5481 * mklibgcc.in (install): New target.
5483 * config/t-linux (SHLIB_LINK): Create links for the soname.
5484 (SHLIB_INSTALL): New.
5485 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5486 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5487 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5488 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5489 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5491 2001-01-07 Richard Henderson <rth@redhat.com>
5493 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5494 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5495 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5497 2001-01-07 Michael Hayes <mhayes@redhat.com>
5499 * loop.c (count_loop_regs_set): Delete.
5500 (load_mems_and_recount_loop_regs_set): Delete.
5501 (loop_regs_scan): Merge common code from count_loop_regs_set,
5502 scan_loop, and load_mems_and_recount_loop_regs_set.
5503 (scan_loop): Call load_mems directly and loop_regs_scan
5504 again if new registers created.
5506 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5508 * toplev.c (main): Call the front-end specific post_options
5509 hook if one is given.
5510 * toplev.h (struct_lang_hooks, lang_hooks): New.
5511 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5512 for the C front end.
5513 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5514 lang_hooks for the C++ front end.
5515 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5516 lang_hooks for the ObjC front end.
5517 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5518 * java/lang.c (lang_hooks): Hooks for the Java front end.
5520 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5522 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5523 for verbose DWARF[2] debugging.
5524 (cb_define, cb_undef): The new callbacks.
5525 * toplev.h (debug_define, debug_undef): Make const correct.
5526 * toplev.c (debug_define, debug_undef): Similarly. Do not
5527 perform the verbosity tests here anymore.
5529 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5531 * reload.c (subst_reloads): Take INSN argument. When
5532 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5533 * reload.h (subst_reloads): Adjust prototype.
5534 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5535 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5536 present in JUMP_INSNs and copy them to JUMP_LABEL.
5537 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5538 JUMP_INSNs and insns with REG_LABELs that are followed by
5539 JUMP_INSNs with the same REG_LABEL.
5540 * sched-rgn.c (is_cfg_nonregular): Likewise.
5541 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5543 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5545 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5547 2001-01-06 Richard Henderson <rth@redhat.com>
5549 * loop.c (scan_loop): Use xcalloc for the regs array.
5550 (load_mems_and_recount_loop_regs_set): Zero the new memory
5551 received from xrealloc.
5553 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5555 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5557 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5559 * integrate.c (copy_rtx_and_substitute): When copying
5560 an ignored return value, strip REG_FUNCTION_VALUE_P.
5562 2001-01-06 Michael Hayes <mhayes@redhat.com>
5564 * loop.c (debug_biv, debug_giv): New.
5565 (loop_biv_dump): Break out from ...
5566 (record_biv): ... here.
5567 (loop_giv_dump): Break out from ...
5568 (record_giv): ... here.
5569 (loop_bivs_check): Use print_simple_rtl.
5570 * unroll.c (loop_iterations): Use print_simple_rtl.
5572 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5574 * pa.md (return, return_internal): Modify patterns to prevent regrename
5575 mucking with the return pointer.
5577 2001-01-05 Richard Henderson <rth@redhat.com>
5579 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5581 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5583 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5584 version supplied by Matteo Frigo.
5586 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5588 * cpp.texi: Update for -MQ.
5589 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5590 (cpp_cleanup): Always free pfile->deps.
5591 (initialize_dependency_output): Don't create pfile->deps.
5592 (cpp_handle_option): Similarly.
5594 * gcc.c (cpp_options): Handle -MQ.
5595 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5596 * mkdeps.c (base_name): Remove.
5597 (deps_init): Don't allocate vector space until it's needed.
5598 (deps_free): Only free vectors if allocated.
5599 (deps_add_target, deps_add_dep): Update for initial allocation.
5600 (deps_add_default_target): Don't strip to the base_name.
5602 2001-01-05 DJ Delorie <dj@redhat.com>
5604 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5605 (INIT_EXPANDERS): Define.
5607 * config/v850/v850.c (struct machine_function): Define.
5608 (v850_save_machine_status): New function.
5609 (v850_restore_machine_status): New function.
5610 (v850_return_addr): New function.
5611 (v850_init_expanders): New function.
5613 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5614 and v850_init_expanders.
5616 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5618 * cpplib.h (struct cpp_reader): Add help_only field.
5619 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5620 (cpp_handle_option): Set pfile->help_only if we see -h,
5621 --help, -target-help, or --version. Print version string but
5622 do not set help_only if we see -v or -version. Make text
5623 printed by -v match that printed by (-)-version.
5625 * cppmain.c (main): Exit after option parsing if
5626 pfile->help_only is true.
5628 * toplev.c (independent_decode_option): Call print_version,
5629 then exit, if we see --version (but not -version).
5630 (print_version): Split lengthy message into two lines.
5632 2001-01-05 Nick Clifton <nickc@redhat.com>
5634 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5635 temporary string for initialisation before calling ggc_alloc_string.
5637 2001-01-06 Michael Hayes <mhayes@redhat.com>
5639 * rtl.h (print_simple_rtl): New.
5640 * print-rtl.c (print_simple_rtl): New.
5642 (print_rtx): Disable printing of flags and modes, etc.,
5643 if `flag_simple` nonzero.
5645 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5647 * function.c (fixup_var_refs): Use push_to_full_sequence where
5650 2001-01-05 Michael Meissner <meissner@redhat.com>
5652 * flags.h (flag_reorder_blocks): Add declaration.
5653 (flag_rename_block): Ditto.
5655 2001-01-05 DJ Delorie <dj@redhat.com>
5657 * function.c (reorder_blocks): Make sure the flags are all reset
5658 before using them to mark blocks, else a second invocation will
5659 corrupt the block chain.
5660 (reorder_blocks_0): New, resets the flags.
5662 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5664 * cse.c (find_comparison_args): Stop if the argument is known to
5667 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5669 * config/sh/sh.md (movdf): When splitting load into pair of
5670 registers, don't clobber the register used in the address too
5673 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5675 * varasm.c (mark_constant_pool): Improve initial comments.
5676 (mark_constants): Move marking of constants to mark_constant.
5677 (mark_constant): New function to recursively mark all constants
5678 referred to by a constant.
5680 2001-01-05 Catherine Moore <clm@redhat.com>
5682 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5684 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5686 * cp/lang-options.h: Bring comment in line with reality.
5687 * f/lang-options.h: Likewise.
5688 * java/lang-options.h: Likewise.
5689 * objc/lang-options.h: Likewise.
5690 * ch/lang-options.h: Likewise.
5691 * f/g77.texi: And update the manual.
5693 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5694 Denis Chertykov <denisc@overta.ru>
5696 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5697 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5698 * config/avr/avr.md (all peepholes that request a scratch register):
5699 Call it, FAIL the peephole if not safe (in interrupt functions).
5701 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5703 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5705 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5707 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5709 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5710 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5711 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5712 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5713 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5715 * extend.texi: Document these builtins.
5717 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5719 * c-common.c (lang_get_alias_set): Say we know nothing of
5720 VECTOR_TYPE aliasing.
5722 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5724 2001-01-05 Bruce Korb <bkorb@gnu.org>
5726 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5727 their x* equivalent versions for atexit-less systems
5728 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5729 systems (or any other system any more).
5731 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5733 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5734 output operands. Use arm_hard_register_operand for operand 4.
5735 (stmsi_postinc): Similarly.
5736 (ldmsi): Use arm_hard_register_operand for opernand 2.
5738 * arm.c (arm_hard_register_operand): New function.
5739 * arm-protos.h (arm_hard_register_operand): Prototype it.
5741 * arm.h (HARD_REGNO_RENAME_OK): Define.
5743 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5745 * simplify-rtx.c (cfc_args): add "unordered" field.
5746 (check_fold_consts): Set unordered field.
5747 (simplify_relational_operation): Simplify the unordered
5750 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5753 * emit-rtl.c (try_split): Fix code to mark labels.
5754 * jump.c (mark_jump_label): Make global.
5755 * rtl.h (mark_jump_label): Declare.
5757 * predict.c (estimate_probability): Handle unordred comparisons.
5759 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5761 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5762 * cppinit.c (initialize_dependency_output): Update.
5763 (cpp_finish): Output dummy targets for -MP.
5765 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5766 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5767 * gcc.c (cpp_options): Update to handle -MP.
5768 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5769 to quote only the default target.
5770 (deps_phony_targets): Insert a preceding newline. Rename from
5771 deps_dummy_targets for consistency.
5774 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5776 * calls.c (emit_library_call_value_1): Support
5777 INIT_CUMULATIVE_LIBCALL_ARGS.
5778 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5780 2001-01-04 Richard Henderson <rth@redhat.com>
5782 * c-decl.c (finish_struct): Detect flexible array members
5783 used in an inappropriate context.
5784 * c-typeck.c (really_start_incremental_init): Special case
5785 constructor_max_index for zero length arrays.
5786 (pop_init_level): Allow initialization of flexible array
5787 members. Deprecate initialization of zero length arrays.
5788 Don't issue missing initializer warning for flexible array
5789 members or zero length arrays.
5790 (process_init_element): Don't dereference null DECL_SIZE.
5791 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5792 Don't abort for empty constructors. Use size_binop
5793 (output_constructor): Add commentary regarding zero length
5794 array futures. Abort if we try to initialize an array of
5795 unspecified length with a non-empty constructor in the middle
5798 * extend.texi (Zero Length): Update and clarify documentation
5799 on static initialization.
5801 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5803 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5804 with more than 32767 words of local storage.
5806 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5808 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5809 for 'abs', 'labs', and 'fabs'.
5810 (c4x_expand_builtin): Likewise.
5811 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5813 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5815 * config/sh/sh.md (prget, prset): New insn types.
5816 (return delay slot): Dont' allow prset.
5817 (call, sfunc delay slot): Don't allow prget.
5818 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5819 for prset and prget.
5821 2001-01-05 Michael Hayes <mhayes@redhat.com>
5823 * loop.h (struct loop_reg): New.
5824 (struct loop_regs): Change to use array of `struct loop_reg'.
5825 * loop.c: Replace assortment of varrays with single regs array.
5826 (count_one_set): Delete may_not_move array argument
5827 and use regs array instead. All caller's changed.
5828 (count_loop_regs_set): Delete may_not_move and single_usage
5829 arguments and use regs array instead. All caller's changed.
5830 (find_single_use_in_loop): Replace usage array argument with pointer
5831 to regs structure. All caller's changed.
5832 (loop_optimize): Delete `moved_once' array.
5834 2001-01-05 Michael Hayes <mhayes@redhat.com>
5836 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5837 Use it instead of loop_info->has_call for scanning loop mems.
5838 (check_dbra_loop): Replace loop_info->has_call test with
5839 loop_info->has_nonconst_call.
5841 2000-01-04 Matthew Hiller <hiller@redhat.com>
5843 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5846 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5848 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5849 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5851 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5853 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5854 (flag_short_double, flag_short_wchar): Define.
5855 (c_common_nodes_and_builtins): Create many tree nodes shared
5856 between C and C++ here instead of in cp/decl.c and ...
5857 * c-decl.c (init_decl_processing): ... here.
5858 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5859 (flag_short_double, flag_short_wchar): Don't define.
5860 (record_builtin_type): New function.
5861 (build_void_list_node): New function.
5862 * c-common.h (flag_short_double, flag_short_wchar,
5863 record_builtin_type, build_void_list_node): Declare.
5865 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5867 * integrate.c (expand_inline_function): Don't put a virtual
5868 register into the reg map.
5870 * function.c (fixup_var_refs_1): If force_operand didn't put
5871 the address into the target, move it there.
5873 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5875 Special-case tree_decl/tree_list allocations.
5876 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5877 (OBJECT_SIZE): New macro.
5878 (NUM_EXTRA_ORDER): Likewise.
5879 (extra_order_size_table): New variable.
5880 (NUM_ORDERS): New macro.
5881 (objects_per_page_table): New variable.
5882 (object_size_table): New variable.
5883 (G.pages): Use NUM_ORDERS to bound the array.
5884 (G.page_tails): Likewise.
5885 (DIV_ROUND_UP): Remove.
5886 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5887 (alloc_page): Use OBJECT_SIZE.
5888 (size_lookup): Don't make it const.
5889 (ggc_alloc): Use OBJECT_SIZE.
5890 (ggc_set_mark): Likewise.
5891 (ggc_get_size): Likewise.
5892 (init_ggc): Set up the object_size_table, objects_per_page_table,
5893 and adjust size_lookup.
5894 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5895 (ggc_pop_context): Use NUM_ORDERS.
5896 (clear_marks): Likewise.
5897 (sweep_pages): Likewise.
5898 (poison_pages): Likewise.
5899 (ggc_print_statistics): Use OBJECT_SIZE.
5901 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5903 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5904 Only call array_size_for_constructor if last field and array type
5905 with no upper bound.
5907 2001-01-04 Philip Blundell <philb@gnu.org>
5909 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5910 from bit 31 downwards, if this requires no more insns.
5911 (count_insns_for_constant): New helper function for above.
5913 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5915 * gencodes.c (output_predicate_decls): Remove empty initializer.
5917 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5919 * tree.c (copy_node): Remove documentation about obstacks.
5920 (buidl1): Check that nobody tries to build 2-argument nodes this
5923 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5925 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5928 * gencodes.c (output_predicate_decls): Fill empty initializer
5931 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5933 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5934 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5936 (do_include): Handle missing headers like cpp0.
5937 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5938 paths with first include pathname. Don't strcat to uninitialized
5941 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5943 * regrename.c (regrename_optimize): Don't rename from frame pointer
5944 if frame_pointer_needed.
5945 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5946 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5947 (ia64_reorg): Use it instead of scheduling if ! optimize.
5948 (errata_emit_nops): Properly call asm_noperands.
5949 (ia64_sched_reorder): Finish cycle if we see an asm.
5950 (ia64_variable_issue): Clear scheduling state after asms.
5952 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5954 * cpp.texi: Update for -MT.
5955 * cppinit.c (initialize_dependency_output): Add a default
5956 target if none has been given already.
5957 (no_tgt, OPT_MT): New.
5958 (cpp_handle_option): Handle -MT. Update -M etc.
5959 * cpplib.h (struct cpp_options): Remove deps_target.
5960 * gcc.c (cpp_options): Handle -MT.
5961 * mkdeps.c (struct deps): Move from mkdeps.h.
5962 (deps_calc_target): Rename deps_add_default_target. Add a
5963 default target if none has been specified already.
5964 * mkdeps.h (struct deps): Move to mkdeps.c.
5965 (deps_calc_target): Rename deps_add_default_target.
5967 2000-01-03 Richard Henderson <rth@redhat.com>
5969 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5971 * c-typeck.c (push_init_level): Move checks for flexible array
5972 members and zero length arrays ...
5973 (pop_init_level): ... here. Silently discard empty initializations.
5975 * varasm.c (output_constructor): Update for sizeof change to
5978 * extend.texi (Zero Length): Clarify semantics.
5980 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5982 * configure.in (tm.h): Include isns-codes.h last.
5983 * configure: Rebuilt.
5985 2001-01-03 Richard Henderson <rth@redhat.com>
5987 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5988 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5990 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5992 * tradcpp.c (main): Make sure finclude() is called with a valid
5993 indepth value while handling -include.
5995 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5997 * gencodes.c (output_predicate_decls): New function.
5999 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6000 even if it is not the first time machmode.h is #included.
6001 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6002 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6003 * gcc.texi (Copyright): Added 2001.
6005 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6007 * c-common.c (c_common_lang_init): New function. Warn if format
6008 warning options which only have effects when used with -Wformat
6009 are used without -Wformat.
6010 * c-common.h (c_common_lang_init): Declare.
6011 * c-lang.c (lang_init): Call c_common_lang_init.
6012 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6014 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6016 * configure.in: Check for the mktemp command.
6017 * configure: Regenerate.
6018 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6019 $TEMP. Create temporary files with mktemp, if available at
6020 configure time; otherwise use set -C. Remove temporary files
6023 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6025 * configure.in: Require at least texinfo 4.0. Check for whether
6026 Pod::Man is sufficiently recent to regenerate GCC manpages.
6027 * configure: Regenerate.
6028 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6030 (GENERATED_MANPAGES): Define.
6031 (generated-manpages): New target. Depend on cpp.1 as well as
6033 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6034 configure to generated-manpages or empty) rather than on the
6035 manpages directly. Remove execute permission from installed
6036 gcov.1 as well as cpp.1.
6037 * cpp.1, gcov.1: Regenerate.
6039 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6041 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6042 tree_low_cst. Allow using cmpstrsi in more cases.
6044 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6046 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6049 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6051 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6052 * Makefile.in (HOST_CFLAGS): Mention build-make.
6054 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6056 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6059 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6061 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6064 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6067 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6068 reg_base_value and reg_known_value arrays.
6069 (init_alias_analysis): Add more cases to detect known values.
6070 * sched-deps.c (deps_may_trap_p): New function.
6071 (sched_analyze_2): Use it.
6073 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6075 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6076 don't discard an ASHIFTRT if we're shifting in a wider mode.
6078 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6080 * toplev.c (rest_of_compilation): Don't print basic block information
6081 when CFG isn't up to date.
6083 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6085 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6086 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6087 (UNALIGNED_SHORT_ASM_OP): Define.
6088 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6090 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6092 * fold-const.c (fold_convert): Fix typo.
6094 2001-01-02 Richard Henderson <rth@redhat.com>
6096 * c-common.h (ASM_INPUT_P): New.
6097 * c-parse.in (asm): Set it when needed.
6098 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6099 existance of an operand.
6101 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6103 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6104 (dwarf2out_frame_debug_expr): Likewise.
6105 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6107 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6109 * i386.c (ix86_split_to_parts): Return number of part required;
6111 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6113 (ix86_split_long_move): Use number of part returned
6114 by ix86_split_to_parts
6115 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6117 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6118 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6119 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6120 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6121 (ALIGN_MODE_128): Add TFmode.
6122 (IS_STACK_MODE): Likewise.
6123 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6124 (HARD_REGNO_OK): Support TFmodes.
6125 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6126 * i386.md (scheduler definitions): Use memory operand to determine
6127 fst/fld instructions; use mode attribute to determine real mode of
6129 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6130 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6132 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6134 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6136 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6138 * expr.c (store_constructor_field): Update ALIGN before calling
6141 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6143 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6146 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6148 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6151 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6153 * c-decl.c (start_function): Don't warn on third parameter to main.
6155 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6157 * tsystem.h: Define HAVE_DECL_GETOPT.
6159 2001-01-02 Philip Blundell <pb@futuretv.com>
6161 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6164 2001-01-02 Richard Henderson <rth@redhat.com>
6166 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6168 2001-01-02 Andreas Jaeger <aj@suse.de>
6170 * c-decl.c (c_decode_option): Remove support of
6173 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6174 (W_options): Add -Wmissing-noreturn here.
6176 * flow.c: Define lang_missing_noreturn_ok_p.
6177 (check_function_return_warnings): Use it.
6179 * c-common.h: Declare lang_missing_noreturn_ok_p.
6181 * c-lang.c (c_missing_noreturn_ok_p): New function.
6182 (lang_init): Set lang_missing_noreturn_ok_p.
6184 * invoke.texi (Warning Options): Document this.
6186 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6188 * extend.texi (C++ Extensions): New node for C++ attributes;
6189 describe init_priority and com_interface.
6190 * invoke.texi: Remove -finit-priority as it now has zero effect.
6191 * install.texi: Fix xref syntax.
6192 * md.texi: Likewise.
6194 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6196 * config.gcc (sparc64-wrs-vxworks*): New case.
6197 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6199 * config/sparc/sparc.c (sparc_override_options): Do support different
6200 pointer and architecture size.
6201 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6202 (POINTERS_EXTEND_UNSIGNED): Define.
6203 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6204 (FUNCTION_MODE): Define to be Pmode.
6205 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6207 * function.c (expand_function_end): Properly handle DECL_RESULT
6208 and copy when ptr_mode != Pmode.
6209 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6211 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6213 * c-common.c (c_common_nodes_and_builtins): Set prototype
6214 parameters for __builtin_fputs, __builtin_fputc and
6215 __builtin_fwrite. Don't declare plain fputc as a builtin.
6217 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6219 * loop.c (add_label_notes): Increment the label usage count when
6220 a note is added to an insn which refers to a CODE_LABEL.
6221 * gcse.c (add_label_notes): Likewise.
6223 2001-01-01 Andreas Jaeger <aj@suse.de>
6225 * loop.c (scan_loop): Use xmalloc to allocate movables.
6227 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6229 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6230 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6231 * reload1.c (REGISTER_MOVE_COST): Likewise.
6232 * regclass.c (REGISTER_MOVE_COST): Likewise.
6233 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6234 dimension. Adjust all users.
6235 (init_reg_sets_1): Iterate on all modes.
6236 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6237 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6238 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6239 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6240 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6241 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6242 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6243 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6244 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6245 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6246 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6247 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6248 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6249 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6250 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6251 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6252 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6253 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6254 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6255 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6256 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6257 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6258 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6259 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6260 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6261 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6262 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6264 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6266 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6267 arg VARIES_P. Call it with extra arg.
6268 (true_dependence): Likewise.
6269 * rtl.h (rtx_addr_can_trap_p): Declare.
6270 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6272 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6273 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6274 pic offset table register if it's zero. All callers changed.
6275 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6277 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6279 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6280 STRING_POOL_ADDRESS_P.
6282 * config/sparc/sparc.c (input_operand): Properly test for short op.
6284 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6285 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6286 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6287 * config/sparc/elf.h: No longer include sol2.h.
6288 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6289 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6291 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6293 2001-01-01 Michael Hayes <mhayes@redhat.com>
6295 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6296 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6297 (record_initial): Likewise.
6298 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6299 (remap_split_bivs): Likewise.
6301 2001-01-01 Michael Hayes <mhayes@redhat.com>
6303 * loop.c (loop_ivs_free): New function.
6304 (strength_reduce): Break out from...
6306 2001-01-01 Michael Hayes <mhayes@redhat.com>
6308 * loop.h (struct iv): New.
6309 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6310 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6311 'reg_biv_class' fields with 'regs' and 'n_regs'.
6312 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6313 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6314 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6316 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6318 * resource.c (mark_referenced_resources): Abort() before
6319 attempting to mark a pseudo register.
6320 (mark_set_resources): Likewise.
6322 2001-01-01 Michael Hayes <mhayes@redhat.com>
6324 * loop.h (REG_IV_CLASS): New accessor macro.
6325 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6326 * unroll.c (REG_IV_CLASS): Likewise.
6328 See ChangeLog.4 for earlier changes.