1 2001-03-14 Richard Henderson <rth@redhat.com>
3 * expr.c (emit_move_insn_1): Fix else if around #endif.
5 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
8 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
11 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
13 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
14 (override_options): Parse cmodel string.
15 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
16 * i386.h (TARGET_OPTIONS): Add "cmodel".
17 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
19 (ix86_cmodel_string, ix86_cmodel): Declare.
21 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
24 * i386.h (GENERAL_REG_P): Add missing REG_P.
26 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
28 * configure.in: Use $gcc_cv_as instead of $as.
29 * configure: Regenerated.
31 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
33 * cppfiles.c (stack_include_file): Only increase the include
34 count if we actually process the file properly, as opposed
35 to treating it as length zero. Only call read_include_file
36 if not DO_NOT_REREAD. Handle the -H include file output
38 (read_include_file): Remove now redundant DO_NOT_REREAD check.
39 (cpp_included, find_include_file): Simplify pathnames after
40 remapping them. If remapping, don't use the remapped file
41 name's buffer as our scratch buffer.
42 (cpp_pop_file_buffer): Replace the multiple include macro
43 only if it isn't yet set.
44 (read_name_map): Simplify remapped names when reading in.
45 (remap_filename): Move code to code path that uses it.
46 (_cpp_simplify_pathname): Return the input pointer.
47 * cpphash.h (_cpp_simplify_pathname): Update prototype.
49 2001-03-14 Mark Mitchell <mark@codesourcery.com>
51 * expr.c (expand_expr): Revove bogus conditional.
53 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
55 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
57 2001-03-14 Jakub Jelinek <jakub@redhat.com>
59 * reg-stack.c (stack_result): Unconditionally use
60 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
62 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
64 * expr.c (emit_move_insn_1): Split push of complex value when
65 no suitable push instruction exist.
67 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
70 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
72 * alias.c (handled_component_p, can_address_p): New functions.
73 (get_alias_set): Use them.
75 2001-03-13 Jim Wilson <wilson@redhat.com>
77 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
78 from 80 in try_locals code.
79 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
81 2001-03-13 Zack Weinberg <zackw@stanford.edu>
83 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
84 gcc_AC_C_LONG_LONG): New.
85 * configure.in: Use them. Probe the size of short, int, long,
86 and long long/__int64 if we have them. Move all the AC_C_*
87 checks together, except gcc_AC_C_CHAR_BIT which has to go
88 after AC_CHECK_HEADERS(limits.h).
89 Take hwint.h out of host_xm_file and build_xm_file.
91 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
92 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
93 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
94 Move the HOST_WIDEST_INT setup logic here from system.h.
95 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
97 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
98 is now handled by hwint.h.
100 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
101 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
102 config/ia64/xm-ia64.h: Don't define any of:
103 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
104 HOST_BITS_PER_LONGLONG.
106 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
107 config/h8300/xm-h8300.h, config/mips/iris6.h,
108 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
109 config/sparc/xm-sp64.h: Delete.
110 * config.gcc: Remove references to deleted files.
112 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
113 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
114 * config/i370/xm-linux.h: Clarify floating-point situation in
117 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
119 * cppfiles.c (NO_INCLUDE_PATH): New macro.
120 (find_include_file): Decide here which part of the include
121 chain to start the search. Complain about an empty include
122 chain in all cases apart from an abolsute file name.
123 (_cpp_execute_include): Don't choose the search chain here.
124 Don't call handle_missing_include in the case of an empty
126 (_cpp_compare_file_date): Don't choose the search chain here.
127 * cpplib.c (do_include_next): Move the in-main-file diagnostic
128 here from _cpp_execute_include. Behave like #include if
129 we're in the main file.
131 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
133 * system.h (malloc, realloc, calloc, strdup): Only poison these
134 tokens when IN_GCC is defined.
136 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
138 * i386.md (abs?f expander): Support SSE case.
139 (abd?f_if): Add new "USE"; add splitters.
141 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
143 * cpp.texi (poison): Explain the macro expansion exception.
145 2001-03-13 Jakub Jelinek <jakub@redhat.com>
147 * expr.c (store_expr): Add dont_store_target. If temp is already in
148 target before copying to reg, don't store it into target again.
150 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
152 * cppinternals.texi: Update for file handling.
154 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
156 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
157 2001-02-24 which broke building the Java library.
158 * function.c (identify_blocks): Likewise.
159 (all_blocks): Likewise.
160 * integrate.c (integrate_decl_tree): Likewise.
161 * print-tree.c (print_node): Likewise.
162 * tree.h (BLOCK_NUMBER): Likewise.
163 (struct tree_block): Likewise.
165 2001-03-12 David Edelsohn <edelsohn@gnu.org>
167 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
168 __WCHAR_TYPE__ definition.
169 (WCHAR_TYPE_SIZE): #undef before #define.
171 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
173 * cppfiles.c: Update comments.
174 (destroy_include_file_node): Rename destroy_node.
175 (find_or_create_entry): New function.
176 (open_file, _cpp_fake_include): Use it.
177 (handle_missing_header): New function, broken out of
178 _cpp_execute include. Don't segfault if there is no
179 system or quoted path.
180 (_cpp_execute_include): Use handle_missing_header.
182 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
184 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
185 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
187 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
189 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
190 unless anti_dependence says they are.
191 * alias.c (objects_must_conflict): If neither has a type specified,
194 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
195 David Billinghurst <David.Billinghurst@riotinto.com>
197 * config/mips/iris5.h: Change WCHAR_TYPE to int.
199 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
201 * i386.md (trunctfdf2_2): Rename missnamed pattern.
202 (*_one_bit): Remove type on the match_operand in attributes.
204 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
206 * i386.c: Commit forgotten hunk in previous patch.
207 (regclass_map): Add extended registers.
208 (dbx_register_map): Add missing frame register.
210 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
212 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
214 * i386.md (x86_sahf_1): Disable for 64bit.
215 (popsi*, pophi*): Likewise.
216 (pushqi, pushhi): Likewise.
217 (movdi, pushdi): Likewise.
218 (zero extend DImode splitter): Likewise.
219 (adddi, minusdi splitter): Likewise.
220 (umulsidi): Likewise.
222 (mulsidi): Disable for 64bit
223 (lshift:DI/ashift:DI): Disable for 64bit.
224 (loop patterns): Likewise.
225 (call_pop, call_value_pop expanders and patterns): Likewise.
226 (prologue_get_pc): Likewise.
228 (fcmovDI pattern and splitter): Likewise.
229 (movdfcc_1_rex64): New.
231 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
233 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
234 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
235 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
236 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
237 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
238 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
239 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
240 (PUSH_ROUNDING): x86_64 rounds to 64bits.
241 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
242 (REGPARM_MAX): Set to 6 for x86_64.
243 (SSE_REGPARM_MAX): Set to 16 for x86_64.
244 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
247 * (patterns that does use upper halves): Update constraints
248 'q' to 'Q' and 'r' to 'R'.
249 (cmpqi_ext_1): Disable for 64bit.
250 (cmpqi_ext_3_insn): Likewise.
251 (movqi_extzv_1): Likewsie.
252 (addqi_ext_1): Liekwsie
253 (testqi_ext_1): Liekwsie
254 (andqi_ext_1): Liekwsie
255 (xorqi_ext_1): Liekwsie
256 (cmpqi_ext_1_rex64): New.
257 (cmpqi_ext_3_insn_rex64): Likewise.
258 (movqi_extzv_1_rex64): Likewsie.
259 (addqi_ext_1_rex64): Liekwsie
260 (testqi_ext_1_rex64): Liekwsie
261 (andqi_ext_1_rex64): Liekwsie
262 (xorqi_ext_1_rex64): Liekwsie
264 2001-03-11 Zack Weinberg <zackw@stanford.edu>
266 * configure.in: Move check for unsigned enumerated bitfields
267 to macro in aclocal.m4. Disable it for now.
268 * configure, config.in: Regenerate.
269 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
270 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
271 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
272 kind above its first use.
274 * config/xm-interix.h, config/alpha/xm-alpha.h,
275 config/i370/xm-linux.h, config/i386/xm-beos.h,
276 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
277 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
278 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
279 Don't define ONLY_INT_FIELDS under any circumstances.
281 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
283 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
284 config/sparc/xm-sysv4.h: Delete - now identical with some
286 * config.gcc (hppa targets): Replace xm-pahpux.h and
287 xm-papro.h with implicit xm-pa.h.
288 (sparc targets): Replace xm-sysv4.h with implicit or explicit
291 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
293 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
294 before reload_cse_noop_set_p.
296 2001-03-11 Zack Weinberg <zackw@stanford.edu>
298 * config.gcc: Where xm-host.h used to include another
299 xm-host.h, list the nested header directly in xm_file. Remove
300 references to deleted files. Can now use sparc/xm-sp64.h for
303 * config/xm-linux.h, config/arm/xm-linux.h,
304 config/i386/xm-dos.h, config/i386/xm-gnu.h,
305 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
306 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
307 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
308 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
311 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
312 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
313 bother to wrap #undef in #ifdef.
314 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
315 Don't include xm-linux.h.
316 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
318 * configure.in: Wrap regexps using [] in changequote block.
319 Use expr : not echo | grep. Simplify regexps.
320 * configure: Regenerate.
322 56 xm-files remain, 22 xm-arch.
324 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
326 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
327 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
328 (local_index, local_rindex): Delete, use strchr/strrchr instead.
329 (copy_object): Fix format specifier vs argument mismatch.
331 * mips-tdump.c: Make local functions static.
332 (rindex): Don't #undef.
333 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
334 (fatal, fancy_abort): Delete.
335 (read_seek): Avoid signed/unsigned compare.
337 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
339 * combine.c (try_combine): Fix error in change to try original
341 (gen_rtx_combine): Do same as gen_rtx for now.
343 2001-03-11 Zack Weinberg <zackw@stanford.edu>
345 * configure.in: AC_SUBST xm_defines.
346 * configure: Regenerate.
347 * Makefile.in: Set DEFINES=$(xm_defines) when building
350 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
352 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
353 (cpp_included, find_include_file): Update.
354 (_cpp_compare_file_date): Make else unconditional.
356 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
358 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
360 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
362 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
363 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
365 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
367 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
368 if it's a record type.
370 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
372 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
373 mingw includes slightly.
375 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
377 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
378 #undef token before poisoning it.
380 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
382 * alpha.c (check_float_value): Use memcpy, not bcopy.
384 * m32r.c (m32r_sched_reorder): Likewise.
386 * vax.c (check_float_value): Likewise.
388 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
390 * toplev.c (file_name_nondirectory): Remove.
391 * toplev.h: Similarly.
392 * dwarf2out.c (compute_section_prefix): Use lbasename instead
393 of file_name_nondirectory.
395 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
397 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
398 * mips-tfile.c: Don't #undef rindex; not used.
400 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
402 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
403 (dbx64_register_map): Declare.
404 (RETURN_ADDR_RTX): Fix for 64bit.
405 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
406 (INCOMING_FRAME_SP_OFFSET): Set to 8.
407 * i386.c (dbx64_register_map): New global array.
408 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
409 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
412 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
414 * cppfiles.c (search_from): Use lbasename.
415 * mkdeps.c (deps_add_default_target): Use lbasename.
417 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
419 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
420 xcalloc in lieu of malloc, realloc & calloc.
422 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
424 * gengenrtl.c (xmalloc): Likewise.
426 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
427 really_call_* memory allocation routines.
429 * stmt.c (check_for_full_enumeration_handling): Use
430 really_call_calloc, not calloc.
432 * system.h (really_call_malloc, really_call_calloc,
433 really_call_realloc): Define.
434 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
436 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
438 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
440 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
442 * configure: Rebuilt.
443 * configure.in: Only use `lang_requires' for languages athat are
446 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
448 * invoke.texi: Fix typo.
451 2001-03-09 Zack Weinberg <zackw@stanford.edu>
453 * configure.in: Prune nonexistent files from build_xm_file,
454 xm_file, and host_xm_file lists. Warn unless they're
456 Don't generate *config.h here.
457 AC_SUBST all variables needed to generate *config.h.
458 * configure: Regenerate.
459 * mkconfig.sh: New helper script, from code removed from
461 * Makefile.in: Zap all MALLOC variables - no longer used
462 anywhere, and malloc.c doesn't exist.
463 Substitute in variables needed to generate *config.h.
464 Stop lying about the dependencies contained in CONFIG_H and
466 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
467 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
468 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
469 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
470 $(TM_P_H), etc. as appropriate.
472 * config.gcc: Zap references to deleted files.
473 * ggc-none.c: Don't include rtl.h or tm_p.h.
475 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
476 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
477 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
478 config/i386/xm-linux.h, config/i386/xm-linux.h,
479 config/i386/xm-next.h, config/i386/xm-openbsd.h,
480 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
481 Don't include i386/xm-i386.h.
483 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
484 config/i386/xm-i386.h, config/i860/xm-i860.h,
485 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
486 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
487 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
488 Delete (empty except comments, #includes of other deleted
489 files, and macros used nowhere).
491 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
493 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
494 independent on TARGET_FLAGS.
496 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
498 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
500 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
502 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
504 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
505 LAST_REX_SSE_REG): define.
506 (enum reg_class): Add 'LEGACY_REGS'
507 (REG_CLASS_CONTENTS): Likewise; add extended registers.
508 (SSE_REGNO_P): Recognize extended registers.
509 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
510 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
511 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
512 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
513 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
514 REG_OK_FOR_STRREG_P): Remove.
515 (HI_REGISTER_NAMES): Add extended registers.
516 (ADDITIONAL_REGISTER_NAMES): Likewise.
517 (QI_REGISTER_NAMES): Add 8bit extended registers.
518 (DEBUG_REG): Support extended registers.
519 * i386.c (regclass_map): Add extended registers.
520 (dbx_register-map): Likewise.
521 (svr4_dbx_register_map): Likewise.
522 (print_reg): Support extended registers.
523 (print_operand): Support 64bit operands.
525 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
527 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
528 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
529 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
530 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
531 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
532 STACK_BOUNDARY): Set properly for 64bits.
533 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
534 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
535 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
536 (MOVE_MAX): Set to 16.
537 (MOVE_MAX_PIECES): 8 for 64bit.
538 (Pmode): Set to SImode.
540 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
542 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
544 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
546 * i386.h (mask_64bit): New constant.
547 (target_64bit): New macro.
548 (target_options): Add '64'/'32'
549 (target_default): Define.
550 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
551 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
552 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
554 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
556 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
558 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
560 * rtlanal.c (rtx_varies_p): Check operand 0 of a
561 LO_SUM unless for_alias is set.
563 2001-03-08 Stan Shebs <shebs@apple.com>
565 * objc/objc-act.c: Fix old typos in comments, add comments for
567 (hash_init): Fix file name in error message.
569 (hash_add_attr): Ditto.
570 (continue_class): Ditto.
572 2001-03-08 Bruce Korb <bkorb@gnu.org>
574 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
575 wait4() can receive the signal.
577 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
579 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
581 * fixinc/fixincl.x: Regenerate.
583 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
585 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
587 * fixinc/fixincl.x: Regenerate.
589 2001-03-08 Richard Henderson <rth@redhat.com>
591 * configure.in (HAVE_AS_LEB128): New assembler check.
592 * configure, config.in: Rebuilt.
594 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
596 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
599 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
601 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
602 references to the MAXPATHLEN macro.
604 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
605 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
608 * config/i386/xm-gnu.h, config/xm-gnu.h,
609 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
610 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
611 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
614 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
615 doing so in various xm-*.h files.
617 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
619 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
621 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
623 * configure.in (enable_shared): Support per-package shared-library
625 * configure: Rebuilt.
627 2001-03-07 David Edelsohn <edelsohn@gnu.org>
629 * rs6000.md (cr logic): Add original POWER mnemonic alternative
630 for crnot. Set operands[5] in splitter.
632 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
634 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
635 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
636 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
637 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
638 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
639 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
640 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
643 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
644 config/i370/xm-i370.h, config/i386/xm-dgux.h,
645 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
646 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
647 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
648 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
649 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
650 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
651 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
652 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
653 Delete unused and/or empty files.
655 * config.gcc: Define USG in xm_defines as appropriate. Define
656 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
657 macro. Remove deleted xm-* files from $xm_files variable.
659 2001-03-07 Tom Tromey <tromey@redhat.com>
661 * configure: Rebuilt.
662 * configure.in: Allow config-lang.in to set `lang_requires' to list
663 of other required languages.
665 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
667 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
669 (output_prologue): Use xmalloc not oballoc.
670 (output_epilog): Free a29k_first_epilogue_insn when finished.
671 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
673 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
675 * builtins.c (expand_builtin_mathfn): Check
676 flag_unsafe_math_optimizations, not flag_fast_math.
677 (expand_builtin): Likewise
678 * combine.c (combine_simplify_rtx): Likewise.
679 (simplify_if_then_else): Likewise.
680 * cse.c (fold_rtx): Likewise.
681 * flags.h: Remove flag_fast_math. Add
682 flag_unsafe_math_optimizations and flag_trapping_math.
683 * fold-const.c (negate_expr): Check
684 flag_unsafe_math_optimizations, not flag_fast_math.
685 (invert_truthvalue): Likewise.
686 (fold): Likewise. Before associating operands, check that
687 code == MULT_EXPR, not code != MULT_EXPR.
688 * ifcvt.c (noce_try_minmax): Check
689 flag_unsafe_math_optimizations, not flag_fast_math.
690 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
691 * invoke.texi: Document -funsafe-math-optimizations and
692 -fno-trapping-math. Change documentation for -ffast-math.
693 * jump.c (reversed_comparison_code_parts): Likewise.
694 (rtx_equal_for_thread_p): Likewise.
695 * optabs.c (emit_conditional_move): Likewise.
696 * simplify-rtx.c (simplify_binary_operation): Likewise.
697 (simplify_relational_operation): Likewise.
698 (simplify_ternary_operation): Likewise.
699 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
700 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
701 Add trapping-math and unsafe-math-optimizations entries to f_options.
702 (set_fast_math_flags): New, sets flags for -ffast-math.
703 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
704 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
705 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
707 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
708 (alpha_emit_conditional_move): Initialize local_fast_math to
709 flag_unsafe_math_optimizations, not flat_fast_math.
710 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
711 instead of setting flag_fast_math to 1.
712 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
714 * config/i386/i386.c (override_options): Likewise
715 * config/i386/i386.md: Likewise.
716 * config/m68k/m68k.md: Likewise.
717 * config/mips/mips.md: Likewise.
718 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
719 (rs6000_generate_compare): Likewise.
721 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
723 * Makefile.in: Set RANLIB to @RANLIB@.
726 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
728 * fixinc/inclhack.def (djgpp_wchar_h): New test.
729 * fixinc/fixincl.x: Regenerated.
731 2001-03-07 Richard Henderson <rth@redhat.com>
733 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
735 2001-03-07 Richard Henderson <rth@redhat.com>
737 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
738 of block notes and exception handling notes.
740 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
741 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
742 (compile_file): ... here.
744 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
746 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
748 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
749 config.h now. Include libiberty.h to handle alloca.
751 2001-03-06 Zack Weinberg <zackw@stanford.edu>
753 * c-parse.in (yylexname): New function, split out of _yylex.
754 (objc_rid_sans_at): New table.
755 (init_reswords): Initialize it.
756 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
757 retrieving the next token and checking it for significance as
758 an ObjC keyword or string constant.
760 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
761 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
763 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
766 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
768 * config/m68k/m68k.c (const_uint32_operand): Accept any
769 const_int on a 32-bit host.
771 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
773 * objc/objc-act.c (init_objc): Set save_lang_status,
774 restore_lang_status, and mark_lang_status.
776 2001-03-06 Krister Walfridsson <cato@df.lth.se>
778 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
780 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
782 * cppinternals.texi: Update.
784 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
786 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
787 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
788 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
789 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
790 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
791 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
792 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
793 config/i386/xm-i386.h, config/i860/xm-i860.h,
794 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
795 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
796 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
797 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
798 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
799 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
800 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
801 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
802 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
803 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
804 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
805 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
806 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
807 match the defaults provided in hwint.h.
809 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
810 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
812 * config.gcc (xm_file): Don't set to files which are deleted.
814 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
815 guard this file against these macros being undefined.
817 2001-03-06 Zack Weinberg <zackw@stanford.edu>
819 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
820 and DECL_DEFER_OUTPUT on the decl we create, before calling
821 rest_of_decl_compilation.
823 2001-03-06 Zack Weinberg <zackw@stanford.edu>
825 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
827 * configure, config.in: Regenerate.
828 * config.gcc: Remove references to deleted files.
830 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
831 genrecog.c, rtl.c: Do not use alloca anywhere.
833 * Makefile.in, build-make, system.h, config/x-interix,
834 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
835 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
836 config/arc/xm-arc.h, config/arm/xm-arm.h,
837 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
838 config/h8300/xm-h8300.h, config/i370/x-oe,
839 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
840 config/i386/x-ncr3000, config/i386/x-sco5,
841 config/i386/xm-dgux.h, config/i860/x-sysv4,
842 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
843 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
844 config/m68k/x-hp320g, config/m69k/x-mot3300,
845 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
846 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
847 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
848 config/m88k/x-sysv4, config/m88k/x-tekXD88,
849 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
850 config/mips/x-iris, config/mips/x-iris3,
851 config/mips/x-sni-svr4, config/mips/x-sysv,
852 config/mips/xm-iris6.h, config/mips/xm-mips.h,
853 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
854 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
855 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
856 config/pa/xm-papro.h, config/romp/xm-romp.h,
857 config/rs6000/x-aix31, config/rs6000/x-aix41,
858 config/rs6000/x-beos, config/rs6000/x-lynx,
859 config/rs6000/x-mach, config/rs6000/x-rs6000,
860 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
861 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
862 config/sparc/x-sysv4, config/sparc/xm-linux.h,
863 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
864 config/vax/xm-vms.h: Eradicate all references to alloca and
867 * config/xm-alloca.h, config/clipper/x-clix,
868 config/i386/xm-sysv4.h, config/i860/x-fx2800,
869 config/i860/x-sysv3, config/m88k/x-sysv3,
870 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
871 (contained only alloca related hacks).
873 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
876 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
878 * invoke.texi: Document __FAST_MATH__.
880 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
882 * crtstuff.c: Restore include of auto-host.h.
884 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
886 Put main() in a separate file, so that the language
887 front-end can use a different main().
890 * toplev.c: (main): Rename as toplev_main.
891 * toplev.h: Declare toplev_main.
892 * Makefile.in (OBJS): add toplev.o.
893 (BACKEND): remove toplev.o, add main.o.
895 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
897 * cppfiles.c (search_from): Special case the empty string.
899 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
901 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
902 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
903 strlen or strcpy; we already know the length.
904 (_cpp_compare_file_date): Similarly.
905 * cpphash.h (struct cpp_reader): Delete done_initialising.
906 (CPP_PREV_BUFFER): Delete.
907 * cppinit.c (cpp_start_read): Don't set done_initialising.
908 * cpplex.c (parse_string): Guarantee null-termination.
909 (_cpp_equiv_toklists): Remove.
910 * cpplib.c (glue_header_name): Null-terminate.
911 (do_line): Don't leak memory.
912 * cpplib.h (BT_WEAK): Delete.
913 * cppmain.c (cb_ident): Strings are now null-terminated.
915 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
917 * gcc.c (convert_filename): Append executable suffix
918 if NO_AUTO_EXE_SUFFIX is not defined.
919 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
920 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
922 2001-03-03 David O'Brien <obrien@FreeBSD.org>
924 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
925 * c-parse.gperf, c-gperf.h: Delete.
926 (c-gperf.h was accidently re-added to the CVS repo in the rev
927 1.16 commit by tromey)
929 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
931 * cpplex.c (_cpp_lex_token): Don't warn about directives in
932 macro arguments when looking for the '('.
933 * cppmacro.c (funlike_invocation_p): Set parsing_args to
934 2 when really parsing arguments; 1 when looking for '('.
935 Always restore the lexer position.
937 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
939 * longlong.h (umul_ppmm): Don't use a multiline string.
941 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
943 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
944 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
945 t_bool in declaration because pcc can't combine volatile with typedef
948 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
950 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
951 until when it is really needed.
952 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
953 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
954 * i386.md (float?i?f splitter): Don't force source operand to memory
956 (sse_movdfcc): Fix constraint.
957 (sse_movdfcc splitter): Handle properly the second alternative.
959 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
961 * cpplex.c (parse_string): Unconditionally pedwarn.
963 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
966 * cppexp.c (parse_number): Update.
967 * cpplex.c (parse_string): Pedwarn if multiline string does not
968 result from a system header's macro.
969 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
970 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
971 for function-like macros too.
972 * c-lex.c (lex_number): Update.
974 2001-03-03 Richard Henderson <rth@redhat.com>
976 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
978 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
980 * combine.c (try_combine): If split with mode-changed scratch
981 register didn't work, try the original mode.
983 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
985 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
986 * config/c4x/c4x.h: Likewise.
987 * stor-layout.c (compute_record_mode): Likewise.
988 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
990 2001-03-02 Zack Weinberg <zackw@stanford.edu>
992 * configure.in: Kill tm.h. Include the files in the $tm_file
993 list in all three of config.h, hconfig.h, tconfig.h, after the
994 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
995 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
996 * configure: Regenerate.
997 * Makefile.in (clean): Don't delete tm.h.
999 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1000 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1001 those are not defined, set SEC and FEC to 0 and 1.
1002 * gcc.texi: Update to match.
1004 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1005 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1006 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1007 Include tconfig.h, not tm.h.
1009 * config/xm-lynx.h, config/xm-std32.h,
1010 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1011 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1012 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1013 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1014 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1015 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1016 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1017 config/i386/xm-i386.h, config/i860/xm-i860.h,
1018 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1019 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1020 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1021 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1022 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1023 config/pa/xm-linux.h, config/pa/xm-pa.h,
1024 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1025 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1026 config/pj/xm-pj.h, config/romp/xm-romp.h,
1027 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1028 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1029 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1030 config/v850/xm-v850.h, config/vax/xm-vax.h,
1031 config/we32k/xm-we32k.h:
1033 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1035 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1036 config/i370/xm-oe.h: Don't include tm.h. Don't define
1038 * config/vax/xm-vms.h: Don't include tm.h.
1040 * config/xm-lynx.h, config/avr/xm-avr.h,
1041 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1042 Delete; made empty by above changes.
1043 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1044 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1045 Don't include config/xm-lynx.h or tm.h.
1047 * config/xm-gnu.h: Don't include fcntl.h.
1048 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1050 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1052 2001-03-02 Richard Henderson <rth@redhat.com>
1054 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1055 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1057 2001-03-02 Richard Henderson <rth@redhat.com>
1059 * Makefile.in (OBJS): Add dwarf2asm.o.
1060 * dwarf2asm.c, dwarf2asm.h: New files.
1061 * dwarf2out.c (*): Use them.
1062 (size_of_uleb128, size_of_sleb128): Remove.
1063 (output_uleb128, output_sleb128): Remove.
1064 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1065 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1066 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1067 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1068 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1069 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1070 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1071 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1072 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1073 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1074 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1075 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1076 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1077 (dwarf2out_frame_debug): Remove unused variables.
1078 (output_loc_operands): Don't abort on 8 byte constants if
1079 host integers are wide enough.
1080 (output_symbolic_ref): Remove.
1081 (size_of_die): Don't assume 4 byte host integers.
1082 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1084 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1085 something stupid with HOST_WIDE_INT to long truncation.
1086 [CONST_DOUBLE]: Likewise.
1088 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1089 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1090 * config/arm/unknown-elf.h: Likewise.
1091 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1092 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1093 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1094 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1095 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1096 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1097 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1098 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1099 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1100 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1101 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1102 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1104 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1106 * cselib.c (hash_rtx): Cast enums to unsigned int.
1108 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1110 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1111 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1113 * c-format.c (C_STD_VER): Cast to int for comparisons.
1114 (check_function_format): Cast various enums to int for &.
1115 (maybe_read_dollar_number): Likewise.
1116 (check_format_info): Likewise.
1117 (check_format_info_main): Likewise.
1118 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1119 (safe_from_p): Likewise.
1120 * varasm.c (const_hash): Cast enum to int for %.
1121 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1122 pcc enum problems with < and ++ operators.
1123 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1124 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1125 (regclass_init): Change enum class to int to iterate over reg_classes.
1126 * genrecog.c (merge_trees): Cast enums for comparison.
1127 * rtl.h (GET_CODE): Cast to enum rtx_code.
1128 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1129 (GET_MODE): Cast to enum machine_mode.
1130 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1131 (GET_NOTE_INSN_NAME): Cast enum to int.
1132 * tree.h (TREE_CODE): Cast to enum tree_code.
1133 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1134 * timevar.c (timevar_print): Change loop variable id from enum to
1136 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1137 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1138 * toplev.c (compile_file): Cast enum DFI to int.
1139 (decode_d_option): Likewise.
1141 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1143 * cppinit.c (append_include_chain): Mark "after" include file name list
1144 as a system directory.
1145 * cpp.texi: Document new behavior.
1147 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1149 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1151 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1153 * cppfiles.c (struct include_file): Update.
1154 (stack_include_file): Use search_from.
1155 (cpp_included, find_include_file): Update.
1156 (cpp_execute_include): Update. ptr->name may not be
1157 null terminated. Use the new search_from member variable
1159 (_cpp_compare_file_date): Similarly.
1160 (search_from): New function, similiar to actual_directory.
1161 (actual_directory): Delete.
1162 (remap_filename): Update. loc->name may not be null terminated.
1163 (struct file_name_list): Rename search_path. Update.
1164 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1165 search_from and dir.
1166 (struct cpp_reader): Remove actual_dirs.
1167 * cppinit.c (struct cpp_pending): Update for renamed objects.
1168 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1169 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1170 * cpplib.h (struct cpp_options): Similarly.
1172 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1174 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1175 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1176 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1177 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1178 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1179 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1180 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1181 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1182 config/i370/xm-oe.h, config/i386/xm-aix.h,
1183 config/i386/xm-i386.h, config/i386/xm-osf.h,
1184 config/i860/xm-i860.h, config/i960/xm-i960.h,
1185 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1186 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1187 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1188 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1189 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1190 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1191 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1192 config/pj/xm-pj.h, config/romp/xm-romp.h,
1193 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1194 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1195 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1196 config/v850/xm-v850.h, config/vax/xm-vax.h,
1197 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1198 Do not define TRUE or FALSE.
1200 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1201 empty by above change.
1202 * config.gcc: Remove references to these files.
1204 * configure.in: Detect stdbool.h.
1205 * configure, config.in: Regenerate.
1206 * system.h: Include stddef.h here if available.
1207 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1208 Then set up a sensible boolean type at the very end.
1210 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1211 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1213 * hash.h: Delete 'boolean' typedef and related #undefs.
1215 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1216 all uses of 'boolean' with 'bool'.
1218 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1220 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1221 * cppexp.c (lex): Cast enums for comparison.
1222 * cppinit.c (parse_option): Cast enum for comparison.
1223 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1224 (cpp_output_token): Likewise.
1225 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1226 (cpp_avoid_paste): Cast enums for minus and comparison.
1228 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1230 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1231 field to all array elements.
1233 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1235 * cpphash.h (struct cpp_reader): Add print_version field.
1236 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1237 just set print_version and other flags as appropriate.
1238 (cpp_post_options): Print version here if print_version is set.
1240 * toplev.c (exit_after_options): New flag.
1241 (independent_decode_option): Don't exit here; just set
1243 (main): Exit after calling lang_hooks.post_options if
1244 exit_after_options is true.
1246 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1247 (merge_include_chains): Adjust comment to match code.
1249 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1251 * stringpool.c (set_identifier): New function.
1252 * tree.h: Prototype it.
1254 * c-parse.in: Kill D_YES. If compiled for objc, call
1255 save_and_forget_protocol_qualifiers from init_reswords.
1256 * objc/objc-act.c (remember_protocol_qualifiers,
1257 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1258 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1260 (save_and_forget_protocol_qualifiers): New function.
1261 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1263 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1265 * c-semantics.c (prune_unused_decls): Return error_mark_node
1266 instead of (tree) 1 to stop traversing the tree chain.
1268 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1270 Fix a problem introduced by Kenner's Feb 18 change.
1271 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1272 flag_cse_skip_blocks only temporarily, not for ever.
1274 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1276 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1277 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1279 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1280 before determining its register class.
1282 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1284 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1285 from reg 4 if current_function_calls_setjmp.
1286 (gen_nop_type): New function.
1287 (ia64_emit_nops): New function.
1288 (ia64_reorg): Call it.
1289 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1291 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1292 code not to try to optimize adds with anything but a REG destination.
1294 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1295 (INSN_PRIORITY_KNOWN): New accessor macro.
1296 * haifa-sched.c (priority): Use it instead of testing priority against
1299 2001-02-28 DJ Delorie <dj@redhat.com>
1301 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1302 since that doesn't work the way gcc wants on a generic m68k.
1304 2001-02-28 Richard Henderson <rth@redhat.com>
1306 * caller-save.c (save_call_clobbered_regs): Fix typo in
1307 comparison last change.
1309 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1311 * i386.c (pentium4_cost): New.
1312 (m_PENT4): New macro.
1313 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1314 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1315 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1316 x86_memory_mismatch_stall): Add Pentium4
1317 (x86_use_q_reg, x86_use_any_reg): Kill.
1318 (override_options): Add pentium4.
1319 (incdec_operand): Return 0 for pentium4.
1320 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1321 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1322 (TARGET_PENTIUM4): Define.
1323 (enum processor_type): Add PROCESSOR_PENTIUM4.
1324 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1325 * i386.md (attribute "cpu"): Add pentium4.
1326 * invoke.texi (march): Add pentium4.
1328 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1330 * i386.md (sse_mov?fcc*): New patterns and splitters.
1331 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1332 the SSE based conditional moves.
1334 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1336 * i386.md (attribute mode): Add "TI".
1337 (movsf_1): Add pxor support; remove constant propagation splitter.
1338 (movdf_integer): Likewise.
1339 (movdf_nointeger): Likewise.
1340 (movxf constant prop splitter): Handle all modes; update for SSE.
1341 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1342 * i386.c (standard_80387_constant_p): Rewrite.
1343 (standard_sse_constant_p): New.
1344 * i386-protos.h (standard_sse_constant_p): New.
1346 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1348 * i386.md (sse_setccsf, sse_setccdf): New.
1349 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1351 * i386.c (sse_comparison_operator): Accept the supported unordered
1352 comparses; be ready for fast_math.
1353 (print_operand): Support 'D'.
1355 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1357 * jump.c (reversed_comparison_code): Kill.
1359 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1361 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1364 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1366 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1367 add missing '%' in constraints.
1369 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1371 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1372 for HOST_BITS_PER_WIDE_INT == 32 too.
1374 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1376 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1378 (insert_save, insert_restore): New parameter save_mode.
1379 (init_caller_save): Update initialization of reg_save_code
1380 and reg_restore_code.
1381 (save_call_clobbered_regs): Compute save_modes and update calls to
1382 reg_save_code and reg_restore_code.
1383 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1384 of spill; update use of reg_restore_code.
1385 (insert_save): Likewise.
1386 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1387 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1388 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1390 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1392 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1393 noce_try_store_flag_inc, noce_try_store_flag_mask,
1394 noce_try_cmove_arith):
1395 Use reversed_comparison_code instead of reverse_comparison and
1396 can_reverse_comparison_p.
1398 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1400 * jump.c (reversed_comparison_code_parts): Allow reversal of
1401 unordered compares in -ffast-math mode; reverse ordered compares
1402 for FP even w/o -ffast-math.
1404 2001-02-27 Richard Henderson <rth@redhat.com>
1406 * print-rtl.c (print_rtx) [i]: Don't print field five on
1407 NOTEs other than NOTE_INSN_DELETED_LABEL.
1409 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1411 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1412 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1414 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1416 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1417 even if walk_subtrees is 0.
1418 * c-semantics.c (prune_unused_decls): Return a non-null value to
1419 stop traversing the tree chain.
1421 2001-02-27 DJ Delorie <dj@redhat.com>
1423 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1424 register, *then* define it as the new CFA.
1426 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1428 * pa.c (override_options): Promote -fpic to -fPIC.
1429 (legitimize_pic_address): Simplify due to removal of
1430 small PIC as a code generation option.
1431 (secondary_reload_class): Similarly.
1432 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1433 (PRINT_OPERAND_ADDRESS): Similarly.
1434 * pa.md (various patterns): Similarly.
1435 (small pic lo_sum pattern): Remove.
1437 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1440 * md.texi (min, max): Document
1442 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1444 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1445 TARGET_PARTIAL_REG_DEPENDENCY.
1446 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1448 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1450 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1452 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1454 * mips.c (mips_make_temp_file): Fix thinko in last change.
1456 2001-02-26 Jason Eckhardt <jle@redhat.com>
1458 * combine.c (known_cond): Do not reverse the condition when
1459 SMAX/UMAX is being considered and the condition is for equality
1462 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1464 2001-02-26 Philip Blundell <philb@gnu.org>
1466 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1468 * config/arm/linux-elf.h: Remove historical relics related to
1469 above configurations.
1470 * config/arm/linux-oldld.h: Delete.
1471 * config/arm/linux-elf26.h: Delete.
1473 2001-02-26 Jason Merrill <jason@redhat.com>
1475 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1477 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1478 recognize a tentative definition. Lose obsolete code.
1480 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1481 variables unless necessary, either.
1483 2001-02-25 Richard Henderson <rth@redhat.com>
1485 * ifcvt.c (struct noce_if_info): Add test_bb.
1486 (noce_get_alt_condition): New.
1487 (noce_try_minmax, noce_try_abs): New.
1488 (noce_operand_ok): New.
1489 (noce_process_if_block): Use them.
1490 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1492 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1494 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1497 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1499 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1500 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1502 (mips_asm_file_end): Free temp_filename here.
1504 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1506 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1507 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1509 * config/i386/i386.md (movstrsi): Handle FAIL case.
1511 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1513 * cppinit.c (builtin_array): Update.
1514 (init_builtins): Flag builtins to warn if redefined or
1515 undefined. Define __GXX_WEAK as a normal macro.
1516 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1517 * cpplib.h (NODE_WARN): New flag.
1518 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1519 Handle __STDC__ as a builtin only on Solaris.
1520 (warn_of_redefinition): Renamed from check_macro_definition.
1521 Reverse sense of test. Always warn if NODE_WARN.
1522 (_cpp_create_definition): Use warn_of_redefinition. Flag
1523 any macro beginning with "__STDC_" to require a mandatory
1524 warning if redefined or undefined.
1526 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1528 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1529 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1530 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1531 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1532 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1533 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1534 Don't define any of:
1535 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1536 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1537 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1538 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1539 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1541 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1542 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1545 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1546 Delete now-empty file.
1548 * alpha/vms.h: Define NEED_ATEXIT here...
1549 * alpha/xm-vms.h: ...not here.
1551 * i386/cygwin.h: Don't define PARAMS.
1552 * mips/mips.c: Don't prototype mktemp. Don't define
1553 P_tmpdir. Use make_temp_file to create temporary files.
1554 Don't be clever and delete temporary files early.
1555 * config.gcc: Drop references to deleted files. Don't define
1557 * gcc.texi: Don't mention USE_PROTOTYPES.
1559 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1561 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1562 (ix86_set_move_mem_attrs_1): Likewise.
1563 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1564 * config/i386/i386.md (movstrsi): Call it.
1566 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1568 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1569 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1570 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1571 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1573 (i750a-*-*): Error here if hosting on i750a.
1574 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1576 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1577 Remove (empty modulo comments).
1579 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1580 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1581 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1582 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1583 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1584 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1586 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1587 Remove reference to winnt.h in comment.
1588 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1590 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1592 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1593 used to set another biv.
1595 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1597 * tree.h (BLOCK_DEAD): New macro.
1598 (struct tree_block): New flag, dead_flag.
1599 * print-tree.c (print_node, case 'b'): Print missing fields.
1600 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1601 * function.c (identify_blocks): Enable test for misplaced notes.
1602 (all_blocks): Skip BLOCK_DEAD blocks.
1603 * integrate.c (integrate_decl_tree): Likewise.
1605 * errors.c (internal_error, trim_filename): New functions.
1606 (fancy_abort): Call internal_error.
1607 * errors.h (internal_error, trim_filename): New declarations.
1609 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1611 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1613 (EXTRA_CONSTRAINT): Formatting changes.
1615 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1617 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1619 2001-02-23 Per Bothner <per@bothner.com>
1621 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1622 so they can be called from java/jvspec.c.
1623 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1625 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1627 * i386.c (ix86_frame): New structure.
1628 (ix86_compute_frame_size): Kill.
1629 (ix86_compute_frame_layout): New.
1630 (ix86_save_reg): New.
1631 (ix86_can_use_return_insn_p): Use frame layout stuff.
1632 (ix86_expand_prologue): Likewise.
1633 (ix86_expand_epilogue): Likewise.
1634 (ix86_initial_elimination_offset): Likewise.
1635 (ix86_nsaved_regs): Use ix86_save_reg.
1636 (ix86_emit_save_regs): Likewise.
1638 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1640 * flow.c (find_sub_basic_blocks): New function.
1641 (split_block): Be ready for basic block introduced by CODE_LABEL.
1642 (commit_one_edge_insertion): Call find_sub_basic_block.
1644 * flow.c (make_edges): Add edge from entry for blocks starting with
1645 label having ALTERNATE_NAME
1647 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1649 * function.c (epilogue_done): Be ready for first basic block not
1650 containing PROLOGUE_END note.
1651 (reposition_prologue_and_epilogue_notes): Avoid placing
1652 PROLOGUE_END note between BASIC_BLOCK.
1654 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1656 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1658 2001-02-21 DJ Delorie <dj@redhat.com>
1660 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1661 check for current_function_has_nonlocal_goto from 1999-11-12.
1663 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1665 * diagnostic.c (trim_filename): No longer static.
1666 * toplev.h (trim_filename): Declare.
1667 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1668 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1669 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1670 (rtvec_check_failed_bounds): Likewise.
1671 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1673 * convert.c (convert_to_integer): Don't do unsigned unless result or
1674 both inputs are unsigned.
1676 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1679 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1681 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1683 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1685 * Makefile.in (resource.o): Add params.h dependence.
1686 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1687 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1688 * resource.c: Add dependence on params.h.
1689 (current_live_regs): Fix explanatory comment.
1690 (find_basic_block): Add new parameter to permit limiting search
1692 (mark_target_live_regs): Add new argument to find_basic_block call.
1693 (incr_ticks_for_insn): Likewise.
1695 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1697 * diagnostic.c (output_to_stream): Rename to
1698 output_buffer_to_stream. Loses the stream parameter.
1699 (init_output_buffer): Set diagnosic_buffer's stream.
1700 (flush_diagnostic_buffer): Adjust.
1701 (default_print_error_function): Likewise.
1702 (finish_diagnostic): Likewise.
1703 (verbatim): Likewise.
1705 * diagnostic.h (struct output_buffer): Add `stream' field.
1706 (output_buffer_attached_stream): New macro.
1708 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1710 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1711 check if either operand is divisible by C.
1712 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1713 If type is signed, consider negative numbers as well.
1715 2001-02-22 Richard Henderson <rth@redhat.com>
1717 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1718 reach .text instead of gp-relative relocs.
1719 * config/ia64/crtend.asm (.init): Likewise.
1721 2001-02-22 Andreas Jaeger <aj@suse.de>
1723 * extend.texi (C++ Attributes): Fix typo.
1725 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1727 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1728 functions, drop current_function_args_info.words test.
1729 (ia64_compute_frame_size): Mark syscall_linkage functions as
1730 using eight input registers.
1732 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1733 Bruce Korb <bkorb@gnu.org>
1735 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1736 * fixinc/README: Document how to convert sed substitutions
1737 to format style c_fix-es.
1738 * fixinc/fixincl.x: regen
1740 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1742 * gcc.c: Add comment explaining how to add a command-line option.
1743 Add title to specs language comment.
1745 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1747 * gcc.c (cc1_options): Add "-param".
1748 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1749 (option_map): Likewise.
1750 * toplev.c (display_help): Add entry for "--param".
1751 (independent_decode_option): Fix typographical error.
1753 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1754 Bernd Schmidt <bernds@redhat.com>
1755 Jan Hubicka <jh@suse.cz>
1757 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1758 (function_arg): Likewise.
1760 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1762 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1764 2001-02-21 Kazu Hirata <kazu@hxi.com>
1766 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1770 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1772 * flow.c (init_propagate_block_info): Canon address and use single_set
1773 for killing dead memory stores.
1775 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1777 * Makefile.in (reorg.o): Add params.h dependence.
1778 * params.def: Fix typographical error in comment.
1779 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1780 * params.h: Modify introductory comment.
1781 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1782 * reorg.c: Add dependence on params.h.
1783 (redundant_insn): Add parameterized throttle for search.
1784 (fill_simple_delay_slots): Add a comment explaining a variable.
1785 Move conditional out of loop, simplifying code.
1786 (fill_eager_delay_slots): Fix typographical error in comment.
1788 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1790 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1792 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1793 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1795 2001-02-21 Jason Merrill <jason@redhat.com>
1797 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1798 (struct tree_decl): Add uninlinable bitfield.
1799 * c-decl.c (duplicate_decls): Set it.
1800 * integrate.c (function_cannot_inline_p): Check it.
1802 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1803 DW_AT_MIPS_linkage_name to abstract methods.
1804 (dwarf2out_abstract_function): Emit class context before calling
1805 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1806 (gen_subprogram_die): Remove obsolete code.
1807 (gen_member_die): Don't include clones in the member list.
1808 (gen_decl_die): Emit abstract info for clone origin.
1809 * dwarfout.c (output_type): Don't include clones in the member list.
1810 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1811 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1812 DECL_ABSTRACT on a function that already has it set.
1814 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1815 (get_subprogram_die): Pass it in.
1817 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1819 * flow.c (mark_set_1): Make not_dead unsigned long. For
1820 non-pseudos, use it as a bitmask of the hard regs that
1823 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1825 * cppfiles.c: Update comments.
1826 (_cpp_read_file): Don't check for NULL filenames any more.
1827 * cppinit.c (cpp_start_read): Don't do canonicalization of
1828 in_fname and out_fname. Use the passed file name exclusively.
1829 (_cpp_handle_options): Don't treat "-" as a command line option,
1830 but as a normal filename.
1831 (_cpp_post_options): Canonicalize in_fname and out_fname.
1832 * cppmain.c (printer_init): Don't check out_fname for NULL.
1833 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1834 (init_c_lex): Update, and use "" to represent stdin to CPP.
1837 2001-02-20 Will Cohen <wcohen@redhat.com>
1839 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1840 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1841 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1844 2001-02-20 Stan Shebs <shebs@apple.com>
1846 * config/rs6000/rs6000.c (output_cbranch): Output branches
1847 on separate lines instead of using ';' to separate.
1849 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1851 * cppinit.c (set_lang): Move builtin handling to...
1852 (init_builtins): ...here.
1853 (_cpp_create_reader): Move call to set_lang.
1855 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1857 * stmt.c (expand_return): If an attempt is made to return the
1858 error_mar_node, treat the return like a return without a value.
1860 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1862 * sibcall.c (skip_copy_to_return_value): Call
1863 identify_call_return_value here, and return orig_insn if it
1864 returns zero. Hardret and softret arguments now unnecessary.
1865 (call_ends_block_p): Don't call identify_call_return_value here.
1867 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1869 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1870 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1872 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1874 * pa.c (move_operand): Accept code to load the address of a
1875 symbol out of the DLT as a valid move operand.
1876 (print_operand, case 'A'): New to handle generating a DLT
1877 reference for a LO_SUM expression.
1878 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1879 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1881 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1883 * README, cpp.texi, gcc.texi, version.c: Update version number to
1885 * cpp.1, gcov.1, gcc.1: Regenerate.
1887 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1889 * cppfiles.c (stack_include_file): Generate dependencies
1890 here, and manage include_count here too.
1891 (PRINT_THIS_DEP): Delete.
1892 (_cpp_execute_include): Do not generate dependencies here,
1893 apart from the case of a missing header. Do not manage
1895 (_cpp_read_file): Leave dependency generation to
1898 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1900 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1901 target_cpu_default. Remove dead assignment to
1904 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1906 * regclass.c (contains_reg_of_mode): Make global.
1907 (init_reg_sets): Remove contains_reg_of_mode; take into account
1908 CLASS_MAX_NREGS when looking for the proper mode.
1909 (dump_regclass): Dump only classes considered for the pseudo.
1910 (regclass): Use contains_reg_of_mode.
1912 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1914 * gcc.c (do_spec_1): 'n' for printing notices.
1915 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1917 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1919 * reg-stack.c (next_flags_user): Use current_block->end
1920 (swap_rtx_condition): Look for next user if flags don't die;
1921 give up on CALL_INSNs; use current_block->end.
1923 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1925 * sibcall.c (call_ends_block_p): New function.
1926 (optimize_sibling_and_tail_recursive_call): Use it.
1928 2001-02-18 Kazu Hirata <kazu@hxi.com>
1930 * config/h8300/h8300.md: Update copyright.
1931 (andsi3): Do not output an extra newline character.
1933 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1935 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1936 FNDECL may be unused.
1938 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1939 follow jumps after first run.
1940 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1941 it doesn't change any jumps.
1943 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1945 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1946 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1947 (mostlyclean): Corresponding changes.
1948 * rtlanal.c (hard-reg-set.h): Include.
1949 (rtx_unstable_p): Do not treat the argument pointer specially
1950 if it is not a fixed register.
1951 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1953 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1955 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1956 against last real insn in basic block.
1957 Rework to avoid gotos.
1959 * Makefile.in (gcse.o): Now includes ggc.h.
1960 * gcse.c: Include ggc.h.
1961 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1962 (try_replace_reg): Remove warning of uninitialize variable.
1963 (process_insert_insn): Call invalid_insn_p to validate insn.
1964 * recog.c (insn_invalid_p): Now global.
1965 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1966 * recog.h (insn_invalid_p): New declaration.
1968 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1970 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1971 assignments from FP constants since 'Y' output code can't handle it.
1972 (eligible_for_sibcall_delay): Likewise.
1974 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1975 Call fancy_abort directly, passing args.
1976 (print_rtl_and_abort): Now a macro, like fancy_abort.
1978 * final.c (output_operand_lossage): Use internal_error, not error.
1980 2001-02-18 Shane Nay <shane@agendacomputing.com>
1982 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1983 structure shift insns.
1985 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1987 * invoke.texi (-fsquangle): Remove documentation.
1988 (-fname-mangling-version): Likewise.
1990 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1992 * optabs.c (expand_abs): Remove reference to
1993 HAVE_contitional_arithmetic.
1994 * combine.c (simplify_set): Likewise.
1996 2001-02-18 Richard Henderson <rth@redhat.com>
1998 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2001 2001-02-18 Richard Henderson <rth@redhat.com>
2003 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2005 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2007 * reload1.c (reload_cse_simplify_set): Fix typo.
2009 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2011 * diagnostic.c (_fatal_insn): Decrement errorcount.
2013 * invoke.texi (-I): Add note avoiding use for system header files.
2015 * rtl.h (add_clobbers): Remove duplicate declaration.
2016 * recog.h (added_clobbers_hard_reg_p): New declaration.
2017 * genemit.c (struct clobber_pat): New field has_hard_reg.
2018 (gen_insn): Record if added clobbers clobber hard reg.
2019 (gen_split): Avoid unused warning if number of operands is 0.
2020 (output_added_clobbers_hard_reg_p): New function.
2023 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2025 * pa.c (hppa_expand_prologue): Simplify code storing return
2026 pointer. For large (>=8k) frames with a post_store, adjust stack
2027 pointer by 8k-64 first rather than by 64. When testing with
2028 VAL_14_BITS_P, always use the actual value rather than the value
2029 negated. Add blockage to prevent scheduling of spills before
2030 stack frame has been created.
2031 (hppa_expand_epilogue): Simplify code loading return pointer.
2032 Allow a slightly larger range for merge_sp_adjust_with_load case.
2033 When testing with VAL_14_BITS_P, always use the actual value.
2035 * pa.c (pa_adjust_insn_length): Check that block move
2036 pattern is a set before looking at operands.
2038 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2040 * fold-const.c (fold_binary_op_with_conditional_arg): New
2041 function, split out from ...
2043 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2044 conditional arms that throw exceptions.
2046 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2049 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2051 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2052 define HAVE_DECL_* to 1 to mask potential backup declarations.
2053 * configure: Regenerated.
2055 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2057 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2059 2001-02-17 Richard Henderson <rth@redhat.com>
2061 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2062 when replacing a memory load with a register.
2064 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2065 Jan Hubicka <jh@suse.cz>
2067 * recog.c (validate_replace_src_1): New.
2068 (validate_replace_src_data): Likewise.
2069 (validate_replace_src): Use note_uses.
2070 * rtl.h (note_uses): Declare.
2071 * rtlanal.c (note_uses): New.
2073 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2075 * reg-stack.c (stack_def): Make field reg unsigned.
2076 (remove_regno_note): Unsignetize parameter.
2078 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2080 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2081 shladd_operand() call.
2083 2001-02-16 Bruce Korb <bkorb@gnu.org>
2084 Rodney Brown <RodneyBrown@mynd.com>
2086 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2087 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2088 machine restrictions
2089 * fixinc/fixincl.x: regen
2091 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2093 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2095 (hash_scan_insn): Clean up calls to hash_scan_set.
2096 (compute_kill_rd): REGNO now unsigned.
2097 (try_replace_reg): Rework to use simplify_replace_rtx.
2098 (cprop_jump, cprop_cc0_jump): Likewise.
2099 (cprop_insn): Call find_reg_equal_equiv_note.
2100 Reflect changes to cprop_jump and cprop_cc0_jump.
2102 * recog.c (validate_replace_src): Replace in operands of
2103 ZERO_EXTRACT in SET_DEST.
2105 * cse.c (new_label_ref): New variable.
2106 (insert): Set it instead of recorded_label_ref.
2107 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2108 CODE_LABEL for this function, and not already in REG_LABEL note.
2110 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2112 * resource.c (mark_referenced_resources): Fix typo in introductory
2114 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2117 2001-02-16 Jason Merrill <jason@redhat.com>
2119 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2121 (gen_subprogram_die): Don't abort on seeing a second definition if
2122 the previous one was abstract. Don't replace an abstract instance
2123 in the lookup table.
2125 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2126 gen_abstract_function.
2127 * dwarf2out.h: Declare it.
2128 * toplev.c (note_outlining_of_inline_function): New fn.
2129 * toplev.h: Declare it.
2130 * integrate.c (output_inline_function): Call it.
2131 * c-decl.c (duplicate_decls): Call it when redefining an extern
2132 inline. Don't inline the new defn.
2134 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2136 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2138 * .gdbinit: Rename to gdbinit.in.
2139 * gdbinit.in: New file,
2140 * configure.in: Generate .gdbinit from gdbinit.in.
2141 * configure: Regenerated.
2142 * Makefile.in (distclean): Always remove .gdbinit.
2144 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2146 * objc/objc-act.c (start_class): Register implemented_classes with
2149 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2151 * cppfiles.c (_cpp_make_system_header): Generate a file
2154 2001-02-15 Jim Meyering <meyering@lucent.com>
2156 * Makefile.in (install-common): Don't depend on installdirs here.
2157 Instead, make each of the lang.install-common targets (e.g.,
2158 c++.install-common in cp/Make-lang.in) depend on it.
2159 (install-driver): Depend on installdirs.
2161 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2163 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2165 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2168 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2170 * invoke.texi (--param): Document.
2172 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2174 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2176 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2178 * i386.md (extendsfdf2_2): Fix constraints.
2180 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2182 * i386.md (fop_df_3 splitter): Fix operand number.
2184 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2186 * invoke.texi (-mreg-alloc): Nuke.
2187 * i386.c (ix86_reg_alloc_order, regs_allocated,
2188 order_regs_for_local_alloc): Nuke.
2189 (override_options): Kill reg_alloc code.
2190 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2191 (REG_ALLOC_ORDER): SSE goes before I387.
2192 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2193 (ix86_reg_alloc_order): Likewise.
2194 * i386-protos.h (ix86_reg_alloc_order): Kill.
2196 2001-02-14 Richard Henderson <rth@redhat.com>
2198 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2200 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2202 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2204 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2206 * i386-protos.h (ix86_memory_move_cost): Move offline.
2207 * i386.c (ix86_register_move_cost): Compute properly cost of
2208 SSE, MMX and i387 instructions.
2209 (*_cost): Add costs of SSE/MMX moves.
2210 (ix86_memory_move_cost): Move offline from ....; Likewise.
2211 * i386.h (MEMORY_MOVE_COST): .... here;
2212 (struct processor costs): Add new fields to represent costs
2215 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2217 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2218 move_cost together with Matt Kraai's fix.
2220 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2222 * Makefile.in (OBJS): Add params.o.
2224 2001-02-14 Richard Henderson <rth@redhat.com>
2225 DJ Delorie <dj@redhat.com>
2227 * jump.c (jump_optimize_1): When we delete a conditional jump
2228 preceeding a non-conditional jump to effectively the same place,
2229 make sure that the combined jump skips any clobber insns between
2232 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2234 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2236 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2238 * Makefile.in (toplev.o): Depend on params.h.
2239 (intergate.o): Likewise.
2240 (params.o): New target.
2241 * flags.h (inline_max_insns): Remove.
2242 * integrate.c: Include params.h.
2243 Use MAX_INLINE_INSNS instead of inline_max_insns.
2244 * params.c: New file.
2245 * params.h: Likewise.
2246 * params.def: Likewise.
2247 * toplev.c: Include params.h.
2248 (lang_independent_params): New variable.
2249 (decode_f_option): Use the param machinery instead of setting
2251 (independent_decode_option): Handle "--param name=value".
2252 (main): Register language-independent parameters.
2254 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2256 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2258 2001-02-14 Richard Henderson <rth@redhat.com>
2260 * regclass.c (init_reg_sets_1): Revert last two changes.
2262 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2264 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2265 (variable_size): Call put_pending_size.
2266 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2267 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2268 sizes list, put newly created SAVE_EXPR there as well.
2270 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2272 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2273 (errata_find_address_regs): load_group has only 2 entries.
2274 (errata_emit_nops): Likewise. shladd is not problematic.
2275 Clear last_group if nop was emitted.
2276 (fixup_errata): load_group has only 2 entries.
2279 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2281 * c-lex.c (lex_number): Only warn traditionally for U suffix
2282 outside system macros.
2283 * cppexp.c (parse_number): Similarly.
2284 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2285 * cppmacro.c (struct cpp_macro): New member node.
2286 (parse_args): Only warn about missing rest args if not
2288 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2289 (cpp_sys_objmacro_p): New.
2290 (_cpp_create_definition): Store the node with the macro defn.
2291 Remember if the macro is defined in a system header.
2293 2001-02-13 DJ Delorie <dj@redhat.com>
2295 * configure.in (check_languages): determine languages to check
2296 * Makefile.in (check-c++): alias for check-g++
2297 (check-f77): alias for check-g77
2298 (CHECK_TARGETS): depend on configured languages
2300 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2302 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2303 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2304 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2305 (sqrtextendsfdf2): Disable for SSE2.
2307 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2309 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2310 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2311 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2312 (sqrtextendsfdf2): Disable for SSE2.
2314 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2316 * i386.md (movsfcc_1): Support integer cmove instruction.
2317 (movdfcc_1): Likewise; new splitter.
2319 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2321 * i386.c (output_fp_compare): Support SSE.
2322 (prepare_fp_compare_args): SSE comparisons always support memory.
2323 * i386.h (TARGET_CMOVE): SSE imply cmove.
2324 * i386.md (cmp?f2): Enable for SSE too.
2325 (cmpfp_i*): Support SSE.
2327 (cmpfp_i_sse_only): New.
2328 (s*, b* fp expanters): Enable for SSE too.
2329 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2332 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2334 * regclass.c (init_reg_sets_1): Silence warning.
2336 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2338 * i386.md (sqrt?f2): Change to expander.
2339 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2341 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2343 * rtlanal.c (find_reg_equal_equiv_note): New function.
2344 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2345 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2346 * rtl.h: Add declarations for above functions.
2348 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2350 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2352 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2353 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2354 * flow.c (mark_regs_live_at_end): Likewise.
2355 (calculate_global_regs_live): Likewise.
2356 * gcse.c (compute_hash_table): Likewise.
2357 (compute_kill_rd): Likewise.
2358 * resource.c (mark_target_live_regs): Likewise.
2359 * rtl.h (INVALID_REGNUM): New macro.
2361 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2363 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2365 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2367 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2370 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2372 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2374 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2375 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2376 (fop_sf_1_sse, fop_df_1_sse): New patterns
2377 (fop_*): Disable float_extend and float patterns for SSE compilation.
2378 * i386.c (output_387_binary_op): Support SSE.
2380 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2382 * i386.md (dummy_extendsfdf2): Support SSE2
2383 (extendsfdf2): Enable if 80387 or SSE2.
2384 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2385 and no MIX_I387_SSE2
2386 (extendsfdf2_1_sse_only): New pattern.
2387 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2389 (truncdfsf2_1): Support SSE.
2390 (truncdfsf2_2): Support SSE.
2391 (truncdfsf2_2_1_sse): New pattern.
2392 (fixtruncsfsi2): Always use SSE if available.
2393 (fix_truncsfsi_sse): New pattern.
2394 (fix_truncdfsi_sse): New pattern.
2395 (floatsis?f2): Support SSE.
2396 (floatsidf2_i387): New pattern.
2397 (floatsidf2_sse): Likewise.
2399 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2401 * configure.in: Use "have_gnat" variable, not "gnat".
2402 * configure: Regenerated.
2404 * config/sparc/sparc.c (function_value): Treat all non-record
2405 aggregate types like used to treat UNION_TYPE.
2407 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2409 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2410 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2412 (MASK_MIX_SSE_I387): New.
2413 (TARGET_SSE): SSE2 imply SSE.
2414 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2415 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2416 (enum reg_class): Add new classes.
2417 (REG_CLASS_NAMES): Likewise.
2418 (REG_CLASS_CONTENTS): Likewise.
2419 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2420 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2421 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2422 (CLASS_MAX_NREGS): Use new macros.
2423 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2424 * i386.md (pushsf, movsf): Support SSE.
2425 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2426 splitters to use ANY_FP_REGNO_P.
2427 (movdf_nointeger, movdf_integer): Likewise.
2429 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2431 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2432 (try_combine): Use it.
2434 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2436 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2437 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2438 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2439 (REGISTER_MOVE_COST): Likewise.
2440 * i386-protos.h (ix86_secondary_memory_needed,
2441 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2442 * i386.c (ix86_secondary_memory_needed,
2443 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2445 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2447 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2448 (HARD_REGNO_MODE_OK): Move offline to ....
2449 * i386.c (ix86_hard_regno_mode_ok) ... here;
2450 refuse all incorrect modes.
2451 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2453 2001-02-13 Richard Henderson <rth@redhat.com>
2455 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2456 entire operator; replicate that and match_dup the operands.
2457 (cmp_ccx_arith_op_set): Likewise.
2458 (cmp_cc_arith_op_not_set): Likewise.
2459 (cmp_ccx_arith_op_not_set): Likewise.
2461 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2463 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2465 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2467 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2468 (TARGET_NO_BITFIELD_WORD): New macro.
2469 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2470 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2472 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2474 * cselib.c: New file, from simplify-rtx.c.
2475 * simplify-rtx.c: Remove cselib parts.
2476 * Makefile.in: Add cselib.o.
2478 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2480 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2481 (setup_incoming_varargs): Remove warning.
2483 * config/rs6000/rs6000.c (validate_condition_mode): When
2484 flag_fast_math, allow floating-point conditionals to be reversed.
2485 (rs6000_generate_compare): When flag_fast_math, don't generate
2486 cror operations for FP conditionals.
2488 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2490 (ASM_SPEC): Likewise.
2491 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2492 (CC1_SPEC): Likewise.
2493 (LINK_TARGET_SPEC): Likewise.
2494 (CPP_ENDIAN_SPEC): Likewise.
2495 * Makefile.in (check-consistency): New target.
2497 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2499 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2500 "return type defaults" warning for functions with return type
2502 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2503 function declarations by default rather than only when pedantic.
2505 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2507 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2510 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2512 * extend.texi (Deprecated): Deprecate new initializer lists.
2514 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2516 * mkdeps.c (deps_add_default_target): Robustify. Add
2517 basename component only.
2518 * cpp.texi (-M): Describe how default target is generated.
2519 * invoke.texi (-M): Likewise.
2521 2001-02-12 Kazu Hirata <kazu@hxi.com>
2523 * toplev.c (push_float_handler): Remove.
2524 (pop_float_handler): Remove.
2525 * toplev.h: Remove prototypes for the above functions.
2527 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2529 * c-common.c (constant_fits_type_p): New function.
2530 (convert_and_check): Use it.
2532 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2534 * Makefile.in (GXX_ABI_FLAG): Don't define.
2535 * configure.in (--enable-new-gxx-abi): Remove option.
2536 * config.in: Regenerated.
2537 * configure: Likewise.
2539 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2541 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2543 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2544 regular basic block, and arrange for all edges into it to switch
2547 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2549 * Makefile.in (distclean): Do not remove .gdbinit.
2551 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2553 * Makefile.in (gcc.o): Fix typos.
2554 (protize.o): Likewise.
2555 (unprotoize.o): Likewise.
2557 2001-02-11 Richard Henderson <rth@redhat.com>
2559 * tree.c (build1): Check for null operand in last change.
2561 2001-02-11 Richard Henderson <rth@redhat.com>
2563 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2564 (fold): Don't assume a constant isn't foldable.
2565 * tree.c (build): Set TREE_CONSTANT for an expression with no
2566 side-effects and constant operands.
2569 2001-02-10 Richard Henderson <rth@redhat.com>
2571 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2573 2001-02-10 Anthony Green <green@redhat.com>
2575 * cpp.texi (Standard Predefined): Add documentation for
2578 * c-common.c (combine_strings): Improve warning message.
2580 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2582 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2584 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2586 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2588 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2591 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2593 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2596 2001-02-09 Nick Clifton <nickc@redhat.com>
2598 * config/arm/arm.md: Change output contraint on post inc
2599 load/store multiple patterns to be a read/write contraint.
2601 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2603 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2604 .o files when using the -M options.
2606 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2607 David Edelsohn <edelsohn@gnu.org>
2609 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2610 handle DImode constants. Use one TOC entry for SImode and smaller
2611 constants, aligned properly.
2613 2001-02-08 Jason Merrill <jason@redhat.com>
2615 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2616 about the SP adjustment for saving the static chain pointer.
2617 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2618 offset when setting a temporary CFA register.
2620 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2622 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2623 powerpc-*-chorusos* .
2624 * config/rs6000/chorus.h : New file.
2625 * config/i386/chorus.h : New file.
2626 * config/sparc/chorus.h : New file.
2627 * config/sparc/t-chorus-elf : New file.
2629 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2631 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2632 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2633 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2634 (__WCHAR_TYPE__): Correct macro name.
2636 2001-02-08 Richard Henderson <rth@redhat.com>
2638 * config/i386/i386.c (ix86_frame_pointer_required): New.
2639 (ix86_setup_frame_addresses): New.
2640 (struct machine_funciton): Add accesses_prev_frame.
2641 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2642 ix86_frame_pointer_required.
2643 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2644 (SETUP_FRAME_ADDRESSES): New.
2645 * config/i386/i386-protos.h: Update.
2646 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2647 from FRAME_POINTER_REQUIRED.
2648 * config/i386/svr3gas.h: Likewise.
2649 * config/i386/sysv3.h: Likewise.
2650 * config/i386/v3gas.h: Likewise.
2652 2001-02-08 Richard Henderson <rth@redhat.com>
2654 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2655 calculation of the number of integer registers required.
2656 (function_arg_record_value): Likewise.
2658 2001-02-08 Jason Merrill <jason@redhat.com>
2660 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2661 two. Print file and line with "confused" message.
2663 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2665 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2667 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2669 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2671 * final.c (cleanup_subreg_operands): The address of a MEM can
2674 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2677 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2679 * gcc.texi (Incompatibilities): Update documentation of
2680 preprocessing numbers.
2682 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2684 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2686 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2688 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2690 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2691 * gcc.c (struct compiler): Add cpp_spec field.
2692 (input_file_compiler): New variable.
2693 (do_spec_1): Allow a particular compiler to handle `%C'
2695 (main): Store the current compiler in input_file_compiler.
2696 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2698 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2700 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2701 * cppinit.c (cpp_create_reader): Initialize them.
2702 (append_include_chain): cxx_aware arg might be unused.
2703 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2704 keywords and give them their phase 7 meaning. Pedwarn about
2705 this unless '__bool_true_false_are_defined' is defined.
2707 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2709 * lcm.c (optimize_mode_switching): Emit mode_set before the
2710 JUMP_INSN of an abnormal edge.
2712 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2714 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2715 a scheduling barrier at the end.
2717 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2719 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2721 * config/sh/sh.md (reload_outsf): Removed.
2722 (movsf_ie): Introduce constraints for FPUL loads and stores.
2723 (reload_insf): Broaden the output constraint.
2725 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2727 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2728 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2730 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2732 * final.c: Revert my previous changes.
2733 * output.h: Make profile_label_no extern.
2734 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2735 for generating label.
2737 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2739 * config/i386/djgpp.h: Add comments about standard paths.
2740 (MD_EXEC_PREFIX): Undefine before defining.
2741 (MD_STARTFILE_PREFIX): New.
2743 2001-01-30 Bruce Korb <bkorb@gnu.org>
2745 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2746 (load_file): do not rely on load_file_data() to close file pointer
2747 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2748 fixinc/inclhack.def(irix_limits_const): add test_text
2750 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2752 * cppexp.c (parse_defined): Improve diagnostics for invalid
2755 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2757 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2759 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2761 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2762 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2763 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2764 (rs6000_output_symbol_ref): New function.
2765 (output_toc): Use VTABLE_NAME_P.
2767 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2769 * print-tree.c (print_node, case PARM_DECL):
2770 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2772 * stor-layout.c (reference_types_internal): New variable.
2773 (internal_reference_types): New function.
2774 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2775 * tree.h (internal_reference_types): New declaration.
2777 * cse.c (find_best_addr): Fix typo in computing cost.
2779 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2781 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2782 and this is the sum of a pointer and a constant, we know the result
2784 (num_sign_bit_copies, case PLUS): Likewise.
2785 * explow.c (convert_memory_address): Remove opposite SUBREG.
2786 * function.c (instantiate_new_reg): New function (from common code).
2787 (instantiate_virtual_regs_1): Call it.
2788 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2789 if pointers sign- or zero-extend.
2790 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2791 If pointers extend unsigned, use inside of SUBREG.
2792 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2794 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2796 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2797 subdir of gcc_gxx_include_dir.
2798 (gcc_gxx_target_include_dir): Remove.
2800 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2802 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2803 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2804 a high-level description.
2806 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2808 * final.c: Move the declaration of profile_label_no to ...
2809 * output.h: ... here.
2810 * function.c (expand_function_start): Call PROFILE_HOOK.
2811 * config/rs6000/aix.h: Define PROFILE_HOOK.
2812 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2813 * config/rs6000/rs6000.c (output_profile_hook): Define.
2814 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2815 output_profile_hook.
2816 tm.texi : Explain new macro PROFILE_HOOK.
2818 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2820 * extend.texi (Extended Asm): Do not say that semicolon is always
2821 a valid line-breaking character for GNU assemblers. Use
2822 newline-tab as the most commonly supported syntax. Use
2823 newline-tab rather than semicolon in multi-insn examples.
2825 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2827 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2829 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2830 David Edelsohn <edelsohn@gnu.org>
2832 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2833 code for AIX, even without flag_pic.
2835 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2837 * c-typeck.c (common_type): push and pop binding level around
2838 calling common_type on function parameters.
2840 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2842 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2844 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2846 * config/mips/mips.c (override_options): Fix typo in last change.
2847 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2848 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2850 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2852 * invoke.texi (-fdump-class-layout): Document.
2853 (-fdump-translation-unit): Use `=' as filename separator.
2855 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2857 * Makefile.in (s-mlib): Don't build multilibs if
2859 (DRIVER_DEFINES): Adjust accordingly.
2861 (protoize.o): Likewise.
2862 (unprotoize.o): Likewise.
2863 * configure.in: Recognize --enable-multilib.
2865 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2867 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2869 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2870 * configure.in: Remove --enable-libstdcxx_v3 support.
2871 * configure: Regenerated.
2873 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2875 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2876 Call abort instead of fatal.
2877 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2878 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2879 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2880 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2881 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2882 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2884 * diagnostic.h (set_internal_error_function): Renamed.
2885 * toplev.h (internal_error): Renamed from fatal.
2886 (pfatal_with_name): Deleted.
2887 (fatal_io_error): Now has printf-style arguments.
2888 * diagnostic.c (pfatal_with_name): Deleted.
2889 (fatal_io_error): Rework to have args in printf-style.
2890 (set_internal_error_function): Renamed from set_fatal_function.
2891 (internal_error): Renamed from fatal.
2892 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2893 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2894 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2895 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2896 * flow.c (verify_flow_info): Likewise.
2897 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2898 * config/mips/mips.c (save_restore_insns): Likewise.
2900 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2901 * flow.c (verify_flow_info): Likewise.
2902 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2903 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2904 (avr_normalize_condition): Likewise.
2905 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2906 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2907 (limit_reload_class, double_reg_to_memory): Likewise.
2908 (print_operand_address, emit_1600_code_shift): Likewise.
2909 (gen_tst_reg, gen_compare_reg): Likewise.
2910 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2911 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2913 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2915 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2916 * objc/objc-act.c (build_ivar_chain): Likewise.
2917 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2919 * graph.c (clean_graph_dump_file): Likewise.
2920 * profile.c (init_branch_prob): Likewise.
2921 * objc/objc-act.c (objc_init): Likewise.
2923 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2924 * config/avr/avr.c (avr_override_options): Likewise.
2925 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2926 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2927 * config/h8300/h8300.c (h8300_init_once): Likewise.
2928 * config/mips/mips.c (override_options): Likewise.
2929 * config/i386/i386.c (override_options): Likewise, rework.
2930 * config/m68k/m68k.c (override_options): Likewise.
2932 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2934 * config/mips/mips.c (print_operand): Likewise.
2935 * hash.c (hash_allocate): Don't check for failure returns from
2936 obstack functions that can't fail.
2937 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2938 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2939 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2940 (get_object_reference): Likewise.
2942 2001-02-04 Nick Clifton <nickc@redhat.com>
2944 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2945 StrongARM1110, 10TDMI, and 1020T.
2947 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2949 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2951 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2953 * config/sh/sh.md (movdf load split): Pass register number to
2954 FP_OR_XD_REGISTER_P.
2956 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2958 * cppinit.c (BC): New macro.
2959 (builtin_array): Add __GXX_WEAK__.
2960 * cpplib.h (builtin_type): Add BT_WEAK.
2961 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2962 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2963 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2965 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2967 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2969 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2971 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2972 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2974 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2976 * cpphash.h: Rename ALIGN _ALIGN.
2977 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2979 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2981 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2982 compilation environment.
2983 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2984 control over location of cygwin includes and libs.
2986 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2988 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2990 2001-02-02 lars brinkhoff <lars@nocrew.org>
2992 * md.texi (Standard Names): remove reference to spur.md.
2994 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2996 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2997 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2998 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2999 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3000 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3002 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3004 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3005 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3006 number before reload.
3007 (c4x_adjust_cost): Return zero before reload.
3008 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3009 split before reload.
3011 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3013 * c4x.c (c4x_hard_regno_rename_ok): New.
3014 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3015 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3017 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3019 * diagnostic.h: Add missing "extern" in all declarations.
3021 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3023 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3024 as for gcc_gxx_include_dir.
3026 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3028 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3030 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3032 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3033 label before alignment to be used as the braf base address.
3034 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3036 (casesi_jump_2): Require at least TARGET_SH2.
3038 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3039 truncation to 32-bit doubles on -m3e and -m4-single-only.
3041 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3043 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3044 the default when building a shared object.
3045 (init_spec): Use it.
3046 * testsuite/lib/g++.exp: Include the directory where libgcc
3047 is located to the LD_LIBRARY_PATH list.
3048 * invoke.texi (-shared-libgcc): Document the cases in which
3049 GCC defaults to using the shared libgcc.
3051 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3053 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3054 unsigned is wide enough.
3056 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3057 (si_to_float): Likewise.
3058 (float_to_si, float_to_usi): Use BITS_PER_SI.
3060 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3062 * dwarf2out.c: Added explanation of abbreviations.
3063 (def_cfa_1): Added comments listing DWARF2 instructions.
3064 (cfa_temp_reg): Removed in favor of cfa_temp.
3065 (cfa_temp_value): Removed in favor of cfa_temp.
3066 (cfa_temp): New global variable.
3067 (dwarf2out_frame_debug_expr): Added extensive introductory
3068 comments explaining the function's transformations. Revised to
3069 use cfa_temp. Added some rtx checking. Generalize IOR case.
3070 (dwarf2out_frame_debug): Revised to use cfa_temp.
3071 (output_aranges): Cast as "unsigned" to avoid warning.
3072 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3073 explain which instructions must be marked.
3075 2001-02-01 Richard Henderson <rth@redhat.com>
3077 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3080 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3082 * config/sh/crt1.asm (main_k): Modified so that start calls
3083 ___setup_argv_and_call_main.
3085 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3087 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3088 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3089 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3090 * cppmacro.c (builtin_macro): Set builtin flags here.
3091 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3092 (replace_args): Clarify intent.
3093 (cpp_get_token): Macro expansion tokens get the saved flags.
3095 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3098 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3100 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3103 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3105 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3106 returns Pmode pseudo, but we need ptr_mode.
3107 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3108 Remove bogus conversions; use HOST_WIDE_INT for size.
3109 Don't use TARGET if wrong mode.
3111 * config/i386/i386.c (ix86_compute_frame_size): Allow
3112 stack_alignment_needed to be non-default even if size is zero.
3114 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3116 * (hppa_init_pic_save): Emit the pic offset table
3117 reg save after last_parm_insn.
3118 * pa.c (hppa_init_pic_save): New function.
3119 * pa.h (hppa_init_pic_save): Declare.
3120 * pa.md (call, call_value, sibcall, sibcall_value): Use
3121 the above instead of duplicated code.
3123 * pa.c (hppa_encode_label): Correct size of alloca buffer
3124 so we don't overrun it. Correct leading `*' case.
3125 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3126 need to handle `*@'.
3127 (FUNCTION_NAME_P): Likewise.
3129 2001-01-31 Richard Henderson <rth@redhat.com>
3131 * config.gcc (alpha-osf5): Use float-i128.h.
3133 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3134 * config/float-i32.h: Likewise.
3135 * config/float-i64.h: Likewise.
3136 * config/float-sh.h: Likewise.
3137 * config/float-sparc.h: Likewise.
3139 2001-01-31 DJ Delorie <dj@redhat.com>
3141 * expmed.c (extract_bit_field): allow non-integral modes if we
3142 want to extract a whole register from itself.
3144 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3146 * c-typeck.c (set_init_index): If first is equal to last, assume as
3147 if it was not a range at all.
3149 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3151 * config/fp-bit.c: Include tm.h.
3152 (float_to_si): Don't assume SImode is 32-bits wide.
3153 (float_to_usi): Likewise.
3155 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3157 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3159 (typename): Call pending_xref_error after parsing typed_typespecs.
3160 * c-decl.c (lookup_tag): Give error immediately rather than
3161 leaving it pending if the tag of the wrong type is in the same
3163 (xref_tag): Don't pedwarn for forward declarations of enum types
3165 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3168 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3170 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3172 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3174 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3175 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3177 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3179 * cpphash.h (struct cpp_reader): New saved_flags.
3180 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3181 to avoid a paste after a pasted token.
3183 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3185 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3186 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3187 Wtype_MIN instead of LONG_MIN.
3189 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3191 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3193 * fixinc/fixincl.x: Regenerated.
3194 * fixinc/inclhack.def (irix_limits_const): New definition to
3195 convert "const" to "__const" in limits.h.
3197 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3199 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3201 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3203 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3204 when register dies in the insn.
3206 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3208 * diagnostic.c (fatal): Fix word wrap.
3210 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3212 * combine.c (try_combine): Fix SUBREG setting for
3213 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3215 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3217 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3220 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3222 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3224 * toplev.c (decode_W_option): Update warn_larger_than
3225 unconditionally for each processed switch.
3227 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3229 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3231 (hppa_expand_prologue): Delete code to save pic offset table register
3232 in the function prologue.
3233 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3234 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3235 table register at the beginning of the function after the prologue.
3237 2001-01-29 lars brinkhoff <lars@nocrew.org>
3239 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3241 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3242 Jeff Law <law@redhat.com>
3244 * pa.md (return): Revise comment for trivial return.
3245 (return_internal): Non-trivial return pattern for non-PIC code.
3246 (return_internal_pic): Non-trivial return pattern for PIC code.
3247 It uses the PIC register to ensure it is restored after
3249 (epilogue): Generate appropriate return for PIC and non-PIC code.
3251 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3253 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3255 2001-01-29 DJ Delorie <dj@redhat.com>
3257 * combine.c (if_then_else_cond): Pass the correct mode to
3258 operand_subword() for constants.
3260 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3262 * config/i386/cygwin.h: Add w32api to include search. Search different
3263 directories in a cross-build environment.
3265 2001-11-29 Tim Josling <tej@melbpc.org.au>
3267 * tree.h (TYPE_STUB_DECL): Add documentation.
3269 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3271 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3272 (sdbout_field_types): Likwise. Fix use of host_integerp.
3274 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3276 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3279 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3281 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3282 to use flag_gnu_linker.
3284 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3286 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3287 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3289 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3291 * tree.c, tree.h (build_parse_node): Remove; was identical to
3293 * c-lang.c (start_cdtor), objc/objc-act.c
3294 (build_module_descriptor): Use build_nt instead of
3297 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3299 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3300 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3301 not have any upper bits set.
3303 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3305 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3307 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3309 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3311 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3313 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3314 (integer_minus_one_node): Define.
3316 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3318 * Makefile.in (bootstrap2-lean): Fix typo.
3320 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3322 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3323 : Don't set fe_value.
3324 * cpplib.h (AVOID_LPASTE): New flag.
3325 (struct cpp_hashnode): Remove fe_value.
3326 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3327 * cppmacro.c (builtin_macro): Don't set flags here.
3328 (replace_args): Set AVOID_LPASTE flag on first token of an
3329 argument, and the token following it.
3330 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3331 macro expansion, and on the token following it. Do it for
3333 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3335 2001-01-27 Richard Henderson <rth@redhat.com>
3337 * config/alpha/t-ieee: Remove multilibbing.
3338 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3340 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3342 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3344 * Makefile.in: Remove all dependencies on defaults.h.
3345 * builtins.c: Don't include defaults.h.
3346 * c-common.c: Likewise.
3347 * c-decl.c: Likewise.
3348 * c-pragma.c: Likewise.
3349 * c-typeck.c: Likewise.
3350 * combine.c: Likewise.
3352 * frame-ia64.c: Likewise.
3353 * cppexp.c: Likewise.
3354 * crtstuff.c: Likewise.
3355 * dbxout.c: Likewise.
3356 * dwarf2out.c: Likewise.
3357 * dwarfout.c: Likewise.
3358 * emit-rtl.c: Likewise.
3359 * except.c: Likewise.
3361 * final.c: Likewise.
3362 * frame-dwarf2.c: Likewise.
3363 * libgcc2.c: Likewise.
3364 * optabs.c: Likewise.
3365 * profile.c: Likewise.
3366 * sdbout.c: Likewise.
3367 * toplev.c: Likewise.
3368 * tradcif.y: Likewise.
3370 * varasm.c: Likewise.
3372 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3374 * builtins.c (expand_builtin_fputs): Use size_one_node when
3375 transforming into fwrite.
3377 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3379 * extend.texi (Attribute Syntax): New section.
3381 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3383 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3384 they didn't need fixing.
3386 2001-01-27 Janis Johnson <janis@us.ibm.com>
3388 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3390 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3391 to remove macro definitions that are duplicated from elfos.h.
3393 2001-01-27 Richard Henderson <rth@redhat.com>
3395 * config/i386/sco5gas.h: Move ...
3396 * config/usegas.h: ... here.
3397 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3399 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3401 * c-typeck.c (struct constructor_stack): Add range_stack member.
3402 (really_start_incremental_init): Clear it.
3403 (push_init_level): Save constructor_range_stack and clear it if
3404 pushing explicit braces.
3405 (pop_init_level): abort if constructor_range_stack is non-zero at
3406 explicit closing brace. Restore saved constructor_range_stack if
3409 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3411 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3412 into register was forced into memory.
3414 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3416 * Makefile.in: Remove uses of + before $(MAKE).
3418 2001-01-26 Richard Henderson <rth@redhat.com>
3420 * stmt.c (cost_table): Remove.
3421 (COST_TABLE, cost_table_initialized): New.
3422 (estimate_case_costs): Use the later instead of the former.
3423 (balance_case_nodes): Likewise.
3425 2001-01-26 Richard Henderson <rth@redhat.com>
3427 * alias.c (objects_must_conflict_p): Read-only slots may not
3428 conflict despite having the same type.
3430 2001-01-27 Michael Hayes <mhayes@redhat.com>
3432 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3434 (check_ext_dependant_givs): Initialise u_start_val and
3436 (load_mems): Make last_max_reg unsigned.
3437 (try_swap_copy_prop): Use INSN_P and initialise set.
3439 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3441 * README.AVR : Removed.
3443 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3445 * pa-64.h (text_section): Remove declaration.
3447 * pa.md (return_internal): Remove mode on PIC register use.
3449 2001-01-25 lars brinkhoff <lars@nocrew.org>
3451 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3452 ASM_CLOSE_PAREN): fix typos.
3454 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3456 * acconfig.h: Define `const' to the empty string if neither
3457 __STDC__ nor __cplusplus is defined.
3458 * config.in: Regenerated.
3460 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3462 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3463 * collect2.c (main): Delete importf. Add ".obj" file extension.
3464 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3465 (aix_std_libs): Add additional AIX libraries to skip.
3466 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3467 * config/rs6000/aix51.h: New file.
3469 2001-01-25 Michael Hayes <mhayes@redhat.com>
3471 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3472 (loop_insn_emit_before): No longer static.
3473 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3474 (loop_givs_rescan, load_mems): Likewise.
3475 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3476 (maybe_eliminate_biv_1):
3477 (move_movables): Replace emit_call_insn_before with
3478 loop_call_insn_hoist.
3479 * loop.h (loop_insn_emit_before): Add.
3480 * unroll.c (copy_loop_body): Replace emit_insn_before with
3481 loop_insn_emit_before.
3483 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3485 * diagnostic.c (fatal): Request preprocessed source.
3487 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3489 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3490 olddecl has argument types and newdecl has none, use the argument
3493 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3495 * dwarf2out.c (prefix_of): New function. Determine longest common
3496 prefix of the two arguments. The units are whole path components.
3497 (output_file_names): When adding a new directory find the one entry
3498 with the longest common prefix already in the list. Artificially
3499 generate entry if there is none for this prefix.
3500 Fix test to check whether the zeroth directory entry is used.
3502 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3504 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3505 Changed all callers. Take it into account when deciding if a
3506 previously loaded value matches.
3508 2001-01-24 Richard Henderson <rth@redhat.com>
3510 * reload.c (find_reloads_subreg_address): Fail the substitution
3511 if the resulting address is insufficiently aligned.
3513 2001-01-24 DJ Delorie <dj@redhat.com>
3515 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3516 check the original operand's mode also.
3517 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3519 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3521 * c-parse.in (cast_expr): Move compound literals from here ...
3522 (primary): ... to here. Use standard terminology "compound
3523 literal" instead of "constructor expression".
3525 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3527 * gcc.1, cpp.1: Regenerate.
3529 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3531 * calls.c (emit_library_call_value_1): Memory slot for
3532 pass-by-reference argument should have the mode of the argument,
3533 not of the pointer to it.
3535 2001-01-24 Tom Tromey <tromey@redhat.com>
3537 * gcc.texi (G++ and GCC): Mention gcj manual.
3538 (Standards): Link to section of manual mentioning gcj/Java
3541 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3543 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3544 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3545 * tradcpp.c (main): Add -imacros or -include'd dependencies
3547 * cpp.texi (-M, -MM): Document -M -include behaviour.
3549 2001-01-24 Roger Collins <roger@ProProject.com>
3551 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3553 2001-01-24 Will Cohen <wcohen@redhat.com>
3555 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3556 whether registers are 32 bits or 64 bits in size.
3558 2001-01-24 Ben Elliston <bje@redhat.com>
3560 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3562 2001-01-24 Richard Henderson <rth@redhat.com>
3564 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3565 (builtin_longjmp): Use it instead of emit_indirect_jump.
3567 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3569 * bb-reorder.c (make_reorder_chain_1): Handle case where
3570 jump edge goes to the same block as the fallthru edge.
3572 2001-01-23 Jim Wilson <wilson@redhat.com>
3574 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3575 * frame.h (__ia64_personality_v1): Add prototype.
3576 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3577 prototype form. Add void * cast to first argument to personality
3579 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3580 (asctoe113): Likewise.
3581 * config/ia64/frame-ia64.c: Include eh-common.h.
3582 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3584 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3586 (itanium_split_issue): Add prototype.
3587 (gen_nop_type): Ifdef out.
3588 (find_best_packet): Initialize best_packet.
3589 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3591 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3592 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3593 (flushrs): Add explicit stop bit at end.
3594 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3597 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3599 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3601 * libgcc2.c (__terminate_func): Make variable static.
3602 (__terminate_set_func): New function to set __terminate_func.
3603 * libgcc2.h (__terminate_func_ptr): New typedef.
3604 (__terminate_set_func): New function.
3606 2001-01-23 Richard Henderson <rth@redhat.com>
3608 * flow.c (init_propagate_block_info): Don't consider unchanging
3609 memories for dead frame store elimination.
3611 2001-01-23 Richard Henderson <rth@redhat.com>
3613 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3614 * defaults.h: ... here.
3616 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3618 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3620 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3622 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3624 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3626 * rs6000.h (rs6000_return_addr): Move prototype from here...
3627 * rs6000-protos.h (rs6000_return_addr): ...to here.
3628 (rs6000_init_expanders): Delete prototype.
3630 2001-01-23 Nick Clifton <nickc@redhat.com>
3632 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3633 (Spec Files): Document %B and %j and %. and %v3 and %M and
3634 %{S*&T} spec switches.
3636 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3638 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3640 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3641 Neil Booth <neil@daikokuya.demon.co.uk>
3643 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3644 Have -Werror make pedantic warnings errors, like the
3647 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3649 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3651 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3653 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3654 * integrate.c (expand_inline_function): Initialize them.
3655 (subst_constants): If changing COMPARE so that both its arguments
3656 will be VOIDmode and the comparison mode will be lost, note
3657 compare_mode. Use the recorded compare_mode to optimize
3660 2001-01-23 Jason Merrill <jason@redhat.com>
3662 * dwarf2out.c (new_die): Use xcalloc.
3663 (output_die): Abort rather than emit a local reference to offset 0.
3665 2001-01-17 Andrew Haley <aph@redhat.com>
3667 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3668 of a saved register; return NULL instead.
3669 (copy_reg): Take a pointer to a source register rather than a
3671 (next_stack_level): Remember the address in the stack frame of all
3673 Use the saved register pointer array as the source of the CFA.
3674 (throw_helper): Rewrite. Unwind once rather than twice and keep
3675 track of saved registers as we go.
3677 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3679 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3680 * c4x.c (c4x_legitimize_reload_address): Remove.
3681 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3682 reload address for ldp(k) insn.
3684 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3686 * pa.md (return_internal): Add a USE of the PIC register to ensure
3687 it is restored after each call.
3688 (return expander): Corresponding changes.
3690 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3692 * rs6000.h (INIT_EXPANDERS): Delete.
3693 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3694 * rs6000.c (rs6000_override_options): Call *_machine_status from
3696 (rs6000_init_expanders): ...instead of here. Delete.
3697 (rs6000_mark_machine_status): New function.
3698 (rs6000_init_machine_status): Use xcalloc.
3699 (rs6000_return_addr): Generate RTX for the return address.
3700 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3701 (rs6000_stack_info): Use it.
3703 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3705 * gthr-win32.h: Include errno.h to get a declaration for
3706 EINVAL and _mingw.h if the target is mingw32.
3708 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3710 * cpp.texi: Correct typos.
3712 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3714 * explow.c (probe_stack_range): Ensure value passed to
3715 stack_check_libfunc is ptr_mode, not Pmode.
3717 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3719 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3720 case, don't use operand_subword to calculate a SUBREG that is
3723 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3725 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3727 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3728 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3729 valid. If not replace it by equivalent insns.
3731 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3733 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3734 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3735 (c4x_U_constraint, symbolic_address_operand): Likewise.
3736 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3738 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3739 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3740 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3741 anulling slot because of silicon bug.
3742 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3744 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3746 * cppexp.c (parse_charconst): Change `mask' type to agree
3749 2001-01-21 Richard Henderson <rth@redhat.com>
3751 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3752 pic_label_name in a linkonce section.
3754 2001-01-17 Philipp Thomas <pthomas@suse.de>
3756 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3758 * configure: Regenerate.
3760 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3762 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3763 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3765 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3767 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3768 If REVERSE nonzero then condition code in X must be reversed.
3769 (encode_section_info): Optimise if/else.
3770 (avr_function_value): Fix formatting.
3772 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3773 (difficult_branch): Likewise.
3774 (rvbranch): Likewise.
3775 (difficult_rvbranch): Likewise.
3777 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3779 * config/avr/libgcc.S: Fix comment.
3781 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3783 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3785 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3787 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3789 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3791 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3792 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3793 * configure, config.in: Regenerate.
3794 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3795 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3796 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3797 (doprint.o): New rule.
3799 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3801 * c-typeck.c (digest_init): Handle boolean types as scalars.
3803 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3805 * stmt.c (expand_return): Don't return anything if size is zero.
3806 Delete redundant assignment to BYTES.
3807 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3809 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3811 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3812 the same as the default library function names.
3813 * config/avr/avr.md: Document special characters after '%'.
3814 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3815 knowing which of the call-used registers are really clobbered.
3816 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3817 New. Both quotient and remainder from one libgcc.S call.
3818 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3819 clobber as few registers as possible.
3820 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3822 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3824 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3825 context of the top of the stack.
3827 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3829 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3830 (fixup_var_refs_insns): ...here.
3832 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3834 * function.c (fixup_var_refs_insns): Break up into
3835 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3836 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3837 [loop over hash table entries].
3838 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3839 fixup_var_refs_insns_with_hash, to match above changes.
3841 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3843 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3844 (libgcc.a): Likewise.
3845 (stmp-multilib): Likewise.
3846 (STAGE2_FLAGS_TO_PASS): Likewise.
3848 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3850 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3851 temporary if no_new_pseudos.
3853 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3855 * cppinternals.texi: Update.
3857 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3859 * arm.c (arm_init_builtins): Re-enable builtins.
3861 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3863 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3864 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3865 element to be null, and always expect an EXPR_LIST.
3866 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3867 * sched-deps.c (sched_analyze_1): Likewise.
3868 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3870 * regclass.c (max_set_parallel): New variable.
3871 (reg_scan): Take it into account in computation of max_parallel.
3872 (reg_scan_mark_refs, case SET): Compute it.
3874 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3876 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3877 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3879 2001-01-19 Jason Merrill <jason@redhat.com>
3881 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3882 for the abstract instance of an inline function.
3884 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3885 J"orn Rennecke <amylaar@redhat.com>
3887 * reload1.c (move2add_note_store): Treat all registers directly or
3888 indirectly derived from a base register as members of the same set
3890 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3891 of base register into account.
3893 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3895 * alias.c (find_base_value): Recognize TRUNCATE.
3896 (record_set): In PLUS case, invalidate if other summand is also a
3899 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3901 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3902 entry to be EXPR_LIST.
3903 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3904 be an EXPR_LIST (but not null, which other code doesn't allow).
3905 (note_stores): Properly handle PARALLEL in SET.
3906 Recursively call for top-level PARALLEL.
3907 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3908 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3910 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3912 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3914 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3915 not pfile->skipping (== 0).
3917 2001-01-17 Nick Clifton <nickc@redhat.com>
3919 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3922 2001-01-17 Jim Wilson <wilson@redhat.com>
3924 * invoke.texi (IA-64 options): Improve.
3926 2001-01-17 Tom Tromey <tromey@redhat.com>
3928 * invoke.texi (Optimize Options): Use `{}' to around @samp
3931 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3933 * invoke.texi (-fno-guess-branch-probability): New option.
3935 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3937 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3938 case of making new double-word constant.
3939 Revert last change: instead just test i3_subst_into_i2.
3941 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3943 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3944 Use q constraints instead of r.
3946 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3948 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3949 (machine_function): Define.
3950 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3951 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3952 pa_free_machine_status): New functions.
3953 (override_options): Set {init,mark,free}_machine_status to above.
3954 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3955 PIC_OFFSET_TABLE_REGNUM_SAVED.
3956 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3957 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3958 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3959 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3960 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3962 2001-01-15 DJ Delorie <dj@redhat.com>
3964 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3968 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3970 * flow.c (propagate_on_insn): Make trying to delete a prologue
3971 or epilogue insn an ICE, not a warning. Allow doing this if
3972 the current function returns with stack pointer depressed.
3974 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3975 I3 having more than one SET.
3977 2001-01-16 Jim Wilson <wilson@redhat.com>
3979 * invoke.texi: Document IA-64 options.
3981 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3982 (fixup_errata): Delete TARGET_A_STEP use.
3983 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3984 (TARGET_SWITCHES): Delete -ma-step option.
3985 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3986 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3987 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3988 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3989 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3990 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3992 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3993 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3994 cmovsi_internal): Delete ! TARGET_A_STEP check.
3996 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3998 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3999 possibility to report bugs via postal mail. Change a URL and
4000 merge in a nearly duplicate statement...
4001 (Bug Reporting): ...from here.
4002 (Service): Refer to the Bug Reporting section instead of
4004 (Contributing): Remove trivial explanations concerning snapshots.
4006 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4008 * cppmain.c (general_init): Don't use ANSI prototype.
4010 2001-01-16 Tom Tromey <tromey@redhat.com>
4012 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4014 2001-01-16 Richard Henderson <rth@redhat.com>
4016 * config/i386/i386.h: Fix comment typo.
4017 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4018 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4020 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4022 * gcc.c: Revert previous -fsyntax-only-related change; move
4025 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4027 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4028 inmode after checking GET_CODE (op).
4030 2001-01-16 Richard Henderson <rth@redhat.com>
4032 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4033 (MAX_MEM_SET_LIST_LEN): New.
4034 (propagate_one_insn): Update mem_set_list_len.
4035 (invalidate_mems_from_autoinc): Likewise.
4036 (invalidate_mems_from_set): Likewise.
4037 (mark_used_regs): Likewise.
4038 (init_propagate_block_info): Likewise. Stop collecting memories
4039 when we reach MAX_MEM_SET_LIST_LEN.
4040 (mark_set_1): Likewise.
4042 2001-01-16 Richard Henderson <rth@redhat.com>
4044 * unroll.c (precondition_loop_p): Fail if no iteration
4047 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4049 * gcc.c: When -fsyntax-only is given, do not complain about
4052 2001-01-15 Richard Henderson <rth@redhat.com>
4054 * config/i386/i386.c (asm_output_function_prefix): Remove.
4055 (ix86_asm_file_end): New.
4056 (load_pic_register): Generate pic_label_name into a
4057 staticly allocated buffer.
4058 * config/i386/i386-protos.h: Update.
4059 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4060 (ASM_FILE_END): New.
4061 * config/i386/i386afe.h: New file.
4062 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4063 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4064 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4065 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4066 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4067 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4068 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4070 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4072 * Makefile.in (install-man): Remove explicit dependency on
4075 * configure.in, configure: Revert previous patch requiring perl
4078 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4080 * toplev.c (flag_guess_branch_prob): New.
4081 (f_options): Add guess-branch-probability option.
4082 (rest_of_decl_compilation): Only estimate branch probability if
4084 (main): set flag_guess_branch_prob.
4086 * flags.h (flag_guess_branch_prob): New.
4088 2001-01-15 DJ Delorie <dj@redhat.com>
4090 * gcc.texi (Makefile): Add documentation for Makefile targets.
4092 2001-01-15 Philip Blundell <philb@gnu.org>
4094 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4096 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4097 (is_pic): Delete declaration.
4098 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4099 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4100 * config/arm/arm.md (builtin_setjmp_receiver): New.
4102 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4104 * arm.c (use_return_insn): Don't try to determine the function type
4105 until after reload has completed.
4106 (arm_output_epilogue): Don't adjust the sp value recovered from the
4108 (emit_multi_reg_push): Don't record dwarf information for the pc.
4109 * arm.md (eh_epilogue): The function type may have changed, so it
4110 needs to be recalculated.
4111 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4112 unwind tables on arm/netbsd.
4114 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4116 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4117 (negated_cbranchsi4): Likewise.
4119 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4121 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4122 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4123 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4124 pass -mapcs-* options to assembler.
4125 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4126 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4127 (ASM_SPEC): Call subtarget_extra_asm_spec.
4129 2001-01-15 Andreas Jaeger <aj@suse.de>
4131 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4133 (ix86_expand_builtin): Likewise.
4135 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4136 warning about comparison between signed and unsigned.
4138 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4140 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4142 2001-01-14 Ralf Baechle <ralf@gnu.org>
4144 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4145 SUBTARGET_CPP_SPEC apropriatly.
4147 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4149 * varasm.c (make_decl_rtl): Fix typo in last change.
4151 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4153 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4154 linker supports the init_priority C++ attribute.
4155 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4156 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4157 linker does not support init_priority C++ attribute.
4159 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4161 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4163 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4165 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4166 * cp/lex.c (finish_parse): Similarly.
4167 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4168 Return the number of errors encountered.
4169 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4170 * cppmain.c (main): Don't call cpp_destroy.
4172 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4174 * configure.in: Require at least perl 5.6.0 to regenerate
4176 * configure: Regenerate.
4178 2001-01-14 Richard Henderson <rth@redhat.com>
4180 * genrecog.c (DT_veclen_ge): New.
4181 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4182 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4183 (nodes_identical_1): Handle DT_veclen_ge.
4184 (write_cond, debug_decision_2): Likewise.
4186 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4188 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4190 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4192 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4194 * cppmain.c (do_preprocessing): New function; most of the old
4196 (main): Call it to do most of the work.
4197 (cb): Move from global scope to set_callbacks ().
4198 (setup_callbacks): Get the callback pointer.
4199 (general_init, printer_init): Clean up code and comments.
4201 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4203 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4206 2001-01-14 Kazu Hirata <kazu@hxi.com>
4208 * config/h8300/h8300.c (get_shift_alg): Update comments.
4210 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4212 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4213 (alloc_page, ggc_alloc): Add casts to remove warnings.
4215 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4217 * combine.c (simplify_comparison): Don't change `code' when
4218 can't reverse comparison.
4220 2001-01-14 Richard Henderson <rth@redhat.com>
4222 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4223 update all call sites. Return true for all non-label constants.
4225 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4227 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4229 (ix86_expand_branch): Update.
4230 (ix86_expand_setcc): Update to handle multiple test conditions.
4231 (expand_int_movcc): Likewise.
4232 (expand_fp_movcc): Likewise.
4233 * i386-protos.h (ix86_expand_compare): New.
4234 * i386.md (andqi_?_slp, orqi_?_slp): New.
4235 (conditional trap expander): Update call to ix86_expand_compare.
4237 2001-01-14 Richard Henderson <rth@redhat.com>
4239 * config/vax/vax.md: Use nonimmediate_operand instead of
4240 general_operand in destinations.
4242 * config/vax/vax.md (indirect_jump): Use register_operand.
4244 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4245 * config/vax/vax.md (call_pop): Turn into an expander.
4246 (call_value_pop): Likewise.
4247 (call, call_value): New.
4249 2001-01-14 Andreas Jaeger <aj@suse.de>
4251 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4253 (ix86_fp_compare_mode): Add unused attribute.
4254 (ix86_expand_fp_movcc): Remove unused variable.
4255 (ix86_expand_builtin): Make fcode unsigned.
4257 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4258 (expand_expr): Add cast to avoid signed warning.
4259 (store_field): Likewise.
4260 (store_constructor_field): Likewise.
4261 (store_constructor): Likewise.
4262 (store_expr): Likewise.
4263 (clear_storage): Likewise.
4264 (emit_group_store): Likewise.
4265 (emit_group_load): Likewise.
4267 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4269 * c-common.c: Move format checking code to ...
4270 * c-format.c: ... here. New file. Reorder some functions and
4272 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4274 * c-common.h (decl_handle_format_attribute,
4275 decl_handle_format_arg_attribute): Declare.
4276 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4277 (c-common.o): Adjust dependencies.
4278 (c-format.o): New list of dependencies.
4280 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4282 * unroll.c (loop_iterations): If we cannot prove iteration variable
4283 is set once in each iteration, punt.
4285 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4287 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4288 (*strlenhi): Remove clobber (which was buggy) of output address.
4290 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4292 * Makefile.in (generated-manpages): Add gcc.1
4293 ($(srcdir)/gcc.1): New target.
4294 (maintainer-clean): Delete $(srcdir)/gcc.1.
4295 * gcc.texi: Add macros @gccoptlist and @gol.
4296 * invoke.texi: Include option summary in manpage. Mark up option
4297 summary with @gccoptlist and @gol. Use @r in one place where
4299 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4300 * gcc.1: Generate from invoke.texi.
4302 2001-01-13 Richard Henderson <rth@redhat.com>
4304 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4305 (struct page_entry): Add group member.
4306 (struct page_group): New.
4307 (struct globals): Add page_groups member.
4308 (alloc_anon): Only define for using mmap; remove valloc call.
4309 (page_group_index): New.
4310 (set_page_group_in_use): New.
4311 (clear_page_group_in_use): New.
4312 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4313 (free_page, release_pages): Likewise.
4314 * configure.in (with-gc): Default to ggc-page always.
4316 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4318 * reload1.c (replace_pseudos_in_call_usage): Use
4319 reg_equiv_constant and reg_equiv_address, and don't try
4320 regno_reg_rtx first.
4322 2001-01-13 Richard Henderson <rth@redhat.com>
4324 * ggc-page.c (alloc_page): Round up allocation size to one page.
4325 Set e->order on extra pages.
4327 2001-01-13 Richard Henderson <rth@redhat.com>
4329 * genrecog.c (nodes_identical): Expand commentary.
4330 (write_switch): Watch out for identical nodes.
4332 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4334 * cppfiles.c (_cpp_fake_include): New function.
4335 * cpphash.h (_cpp_fake_include): New.
4336 * cpplib.c (do_line): Call _cpp_fake_include when entering
4337 header files in preprocessed input.
4338 * cppmain.c (cb_pragma_implementation): Remove handling.
4339 (setup_callbacks): Don't register pragmas.
4341 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4343 * extend.texi: Udate for CPP.
4345 2001-01-13 Andreas Jaeger <aj@suse.de>
4347 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4349 * regmove.c: Add prototype for replace_in_call_usage.
4351 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4353 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4354 struct cpp_chunk, struct htab, struct toklist,
4355 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4356 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4357 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4358 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4359 (struct macro_args): Delete.
4360 * cpphash.h: See above.
4362 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4364 * cppmain.c (struct printer): Remove no_line_dirs.
4366 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4367 : Use options rather than CPP_OPTION.
4368 (setup_callbacks): Use cb rather than pfile->cb.
4369 (main): No need to check for a buffer. Use cpp_errors.
4370 (printer_init): Don't set no_line_dirs.
4371 (maybe_print_line): Use options not no_line_dirs.
4372 (cb_file_change): Don't call print_line if -P.
4374 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4376 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4378 * c-parse.in (finish_parse): Use cpp_errors.
4379 (__yylex): Use return value of cpp_pop_buffer.
4380 * cp/lex.c (finish_parse): Use cpp_errors.
4381 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4383 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4385 * README.AVR: URLs corrected.
4387 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4389 * c-decl.c (start_function): Don't warn if old prototype is builtin
4390 that's not in C's namespace.
4391 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4392 (_bb): Add prototype for ctime.
4393 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4395 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4397 * i386.c (ix86_fp_comparison_arithmetics_cost,
4398 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4399 ix86_fp_comparison_cost): New functions.
4400 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4401 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4402 two-branch sequences; make static.
4403 (ix86_use_fcomi_compare): Do decision according to the costs.
4404 (split_fp_branch): New.
4405 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4406 * i386-protos.h (ix86_expand_fp_compare): Remove
4407 (ix86_split_fp_branch): Declare.
4409 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4410 and ix86_comparison_operator.
4412 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4415 * i386.c (put_condition_code): Output properly the unordered/ordered
4416 compares in fp case.
4417 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4419 * tm.texi (REVERSE_CONDITION): Document.
4420 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4421 in -ffast-math mode.
4422 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4424 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4426 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4428 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4431 * config/sh/sh.c (mova_p): Fix test for mova_const.
4433 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4435 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4436 cpp_get_options rather than dereferencing pfile and using
4438 * scan-decls.c (scan_decls): Use return value of
4439 cpp_pop_buffer rather than CPP_BUFFER.
4441 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4443 * cppinit.c (cpp_handle_option): help_only is now part of the
4444 cpp_options structure.
4445 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4446 cpp_set_callbacks): New functions.
4447 * cpplib.h (cpp_callbacks): Break out as a named structure.
4448 (cpp_options): Move help_only here from cpp_reader.
4449 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4450 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4451 cpp_set_callbacks): New prototypes.
4452 * cppmain.c (main): Update for help_only.
4454 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4456 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4457 Also build and remove and install and uninstall c-tree.info and
4459 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4460 ($(srcdir)/cppinternals.info): New target.
4461 * c-tree.texi: Change file name used when makeinfo used without -o
4462 from ir.info to c-tree.info. Add info directory entry.
4463 * cppinternals.texi: Add info directory entry.
4464 * .cvsignore: Update.
4466 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4468 * c-typeck.c (store_init_value): Don't require constant initializer
4469 elements with -pedantic -std=c99.
4470 (digest_init): Change error about non-constant initializer elements
4472 (constructor_range_end): Remove.
4473 (constructor_incremental, designator_depth,
4474 designator_errorneous): New variables.
4475 (struct constructor_stack): Remove range_end, add incremental.
4476 (struct constructor_range_stack, constructor_range_stack): New.
4477 (struct initializer_stack): Add constructor_range_stack.
4478 (finish_init): Set it.
4479 (start_init): Likewise. require_constant_elements for non-static
4480 trees only if not flag_isoc99.
4481 (really_start_incremental_init): Remove constructor_range_end, add
4482 constructor_incremental.
4483 (pop_init_level): Likewise.
4484 (push_init_level): Likewise. If implicit and the subobject had some
4485 value set already, preinitialize the level with it.
4486 Warn about missing braces only if not pushing due to designators.
4487 (set_designator, push_range_stack): New functions.
4488 (set_init_label): Use them.
4489 (set_init_index): Likewise. Remove constructor_range_end.
4490 Error if designator index is outside of array bounds.
4491 (add_pending_init): Compare values of purpose index trees, not the
4492 trees themselves. Allow overwriting of already initialized element.
4493 Issue a warning if it had side-effects.
4494 (set_nonincremental_init, set_nonincremental_init_from_string): New
4496 (pending_init_member): Rename to...
4497 (find_init_member): ...this function. Call set_nonincremental_init
4498 if necessary. Compare values of purpose index trees, not the trees
4499 themselves. Return the actual value, not just non-zero if something
4501 (output_init_element): Remove checks for duplicates.
4502 If field has zero size, only check the initializer for correctness.
4503 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4504 if constructor_incremental is zero. Change error about initializers
4505 not computable at load time into pedwarn.
4506 (output_pending_init_elements): Compare bit positions, not
4507 FIELD_DECLs to take into account zero-sized fields.
4508 (process_init_element): Use constructor_range_stack to fill all
4509 ranges in the designator lists from current level up.
4510 * extend.texi: Update documentation for labeled elements.
4512 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4514 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4515 to function usage for arguments passed by reference. Optimize
4516 callee-copied arguments.
4517 * regmove.c (replace_in_call_usage): New function.
4518 (fixup_match_1): Call it.
4519 * cse.c (cse_insn): Canonicalize registers in function usage.
4520 * reload1.c (replace_pseudos_in_call_usage): New function.
4523 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4526 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4528 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4531 2001-01-12 DJ Delorie <dj@redhat.com>
4533 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4534 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4537 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4539 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4540 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4541 -std options alongside references to -ansi. Update some
4542 documentation for C99.
4543 * cpp.1: Regenerate.
4545 2001-01-12 Andreas Jaeger <aj@suse.de>
4547 * haifa-sched.c (restore_line_notes): Remove argument block B
4549 * sched-ebb.c (schedule_ebb): Change caller.
4550 * sched-rgn.c (schedule_region): Likewise.
4551 * sched-int.h (restore_line_notes): Adjust prototype.
4553 * loop.h: Remove wrong declaration of doloop_condition_get.
4555 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4557 * extend.texi: Move C++-extension-related node from the C section
4558 into the C++ section.
4560 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4562 * extend.texi: Refer to an array of pointers to functions instead
4563 of one of functions.
4565 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4566 Jan Hubicka <jh@suse.cz>
4568 * combine.c (reversed_comparison): Fix typo in last patch.
4570 (combine_reversed_comparison_code): Make static to follow
4571 prototype declaration.
4573 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4575 * install.texi: Remove misplaced duplicate entry.
4577 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4579 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4581 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4583 * final.c: (leaf_function_p): Fix typo.
4585 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4587 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4588 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4590 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4591 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4592 mmap_anon, and valloc is available.
4593 * ggc-page.c: Restructure ifdef logic to match new autoconf
4594 spec. Don't throw away the test page in init_ggc.
4596 * configure, config.in: Regenerate.
4598 2001-01-12 Michael Hayes <mhayes@redhat.com>
4600 * loop.h (total_biv_increment): Constify iv_class pointer.
4601 (struct induction): Replace `mem_mode' with `mem' rtx.
4602 * unroll.c (total_biv_increment): Constify iv_class pointer.
4603 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4604 (find_mem_givs, combine_givs_p): Likewise.
4605 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4607 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4609 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4611 (__gthread_getspecific): Ditto.
4613 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4615 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4616 put_condition_code): Convert fp comparison codes to integer
4618 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4621 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4622 * i386-protos.h (no_comparison_operator): Kill.
4624 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4626 * combine.c (REVERSIBLE_CC_MODE): Remove.
4627 (reversible_comparison_p): Remove.
4628 (combine_reversed_comparison_code): New.
4629 (reversed_comparison): New.
4630 (combine_simplify_rtx): Use
4631 combine_reversed_comparison_code/reversed_comparison instead
4632 of reversible_comparison_p.
4633 (simplify_if_then_else): Likewise.
4634 (simplify_set): Likewise.
4635 (simplify_logical): Likewise.
4636 (if_then_else_cond): Likewise.
4637 (known_cond): Likewise.
4638 (simplify_comparison): Likewise.
4640 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4642 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4643 sizeof (int) is larger than sizeof(__word__).
4645 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4647 * cppinit.c (do_includes): Fix typo.
4649 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4651 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4652 in S_REGS does not occur because not all sources are possible
4653 when a S_REGS is a destination (sometimes needs a clobber).
4654 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4655 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4656 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4657 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4658 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4659 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4660 (lshrdi_const1, lshrsi3_const16): Likewise.
4661 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4662 (*movhi_68hc12, *movqi_68hc12): Likewise.
4663 (movstrictqi): Make sure reloading in D_REGS as a destination
4666 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4668 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4670 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4672 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4673 -D, -U and -A, and don't initialize the builtins.
4674 (do_includes): Error if -include or -imacros with -fpreprocessed.
4675 * cppmain.c (cb_define, cb_undef): Unconditionally process
4677 * tradcpp.c (main): Fix typo.
4679 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4681 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4682 (read_name_map): Use IS_ABSOLUTE_PATH.
4683 * tradcpp.c (get_filename): Likewise.
4685 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4687 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4688 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4689 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4690 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4691 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4692 (cmphi_z_used): Don't use '@' for the output.
4693 (tstqi_z_used): Likewise.
4694 (cmpqi_z_used): Likewise.
4695 (one_cmplsi2): Likewise.
4697 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4699 * config/sh/sh.c (barrier_align): Recognize branch around far
4700 branch and redundant insn.
4702 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4704 * invoke.texi: Restore documentation of the drivers' switches -MD
4707 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4709 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4711 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4712 check-objc//%): Support parallel testing of multilibs.
4713 (TESTSUITEDIR): Set to testsuite by default, but override for
4715 (check-gcc, check-g++, check-g77, check-objc): Enter
4718 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4720 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4721 * sched-deps.c (deps_may_trap_p): Likewise.
4722 * basic-block.h: Remove a comment.
4723 * flow.c (PROP_POSTRELOAD): Remove.
4724 (update_life_info): Don't add it to prop_flags.
4725 (mark_set_1): Lose the code that was enabled by it.
4727 2001-01-11 Michael Hayes <mhayes@redhat.com>
4729 * flow.c (flow_call_edges_add): New.
4730 * basic_block.h (flow_call_edges_add): New.
4732 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4734 * reload1.c (move2add_note_store): Update reg_set_luid even if
4735 base reg remains the same.
4737 2001-01-10 Nick Clifton <nickc@redhat.com>
4739 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4740 machine_function structure to zero.
4741 Add prototypes for machine_status functions.
4743 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4745 * c-common.h (CTI_VOID_LIST): Remove.
4746 (void_list_node): Likewise.
4747 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4748 (void_list_node): New macro.
4749 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4750 * config/i386/i386.c (ix86_init_builtins): Likewise.
4751 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4753 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4755 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4756 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4758 * tradcpp.c: Include mkdeps.h.
4759 (deps, print_deps_phony_targets, deps_append, output_deps,
4760 init_dependency_output, output_deps): New.
4761 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4762 deps_output): Delete.
4763 (print_deps_missing_files): Rename deps_missing_files.
4764 (inhibit_output): Make global.
4765 (main): Delete inhibit_output, deps_stream, deps_target.
4766 Use mkdeps functionality in the same way as cpplib. Remove
4767 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4768 -M and -MM. Remove old handling of deps via deps_out, and
4769 old reading of environment variables.
4770 (get_filename): Update to use deps_add_dep.
4772 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4774 * output.h (make_function_rtl): Remove prototype.
4775 (make_decl_rtl): Likewise.
4776 * varasm.c (make_function_rtl): Remove.
4777 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4778 than from a third parameter.
4779 * tree.h (make_decl_rtl): Remove last parameter.
4780 * c-decl.c (builtin_function): Remove last argument in call to
4781 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4782 (start_function): Likewise.
4783 * except.c (call_get_eh_context): Likewise.
4784 * expr.c (emit_block_move): Likewise.
4785 (clear_storage): Likewise.
4786 * profile.c (output_func_start_profiler): Likewise.
4787 * toplev.c (rest_of_decl_compilation): Likewise.
4788 * objc/objc-act.c (create_builtin_decl): Likewise.
4789 (synth_module_prologue): Likewise.
4790 (generate_static_reference): Likewise.
4791 (build_selector_reference_decl): Likewise.
4792 (build_class_reference_decl): Likewise.
4793 (build_objc_string_decl): Likewise.
4794 (build_protocol_reference): Likewise.
4796 2001-01-10 Richard Henderson <rth@redhat.com>
4798 * hwint.h: Revert yesterday's change.
4800 2001-01-10 Nick Clifton <nickc@redhat.com>
4802 * function.h (save_machine_status): Delete.
4803 (restore_machine_status): Delete.
4804 Amend comment describing {init|mark|free}_machine_status.
4806 * function.c (save_machine_status): Delete.
4807 (restore_machine_status): Delete.
4808 Amend comment describing {init|mark|free}_machine_status.
4809 (push_function_context_to): Remove invocation of
4810 save_machine_status.
4811 (pop_function_context_from): Remove invocation of
4812 restore_machine_status.
4814 * emit-rtl.c (init_emit_once): Amend comment describing
4815 {init|mark|free}_machine_status.
4817 * tm.texi (Per-Function Data): New node. Describe the
4818 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4821 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4823 * cppinit.c (OPT_g): Remove.
4824 (cpp_handle_option): Update for removed -g3.
4825 (print_help): Update.
4826 * cpplib.h (struct cpp_options): Remove debug_output.
4827 * cppmain.c (setup_callbacks, cb_define): Update.
4828 * gcc.c (cpp_options): Translate -g3 to -dD.
4830 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4832 * config/i960/i960.md: Change modifier to + on the zero_extract
4833 pattern after the (rotate -2 reg) canonicalization pattern.
4835 2001-01-10 Richard Henderson <rth@redhat.com>
4837 * config/alpha/alpha.c (alpha_free_machine_status): New.
4838 (override_options): Install it.
4839 (alpha_mark_machine_status): Verify machine non-null.
4840 * config/i386/i386.c (ix86_free_machine_status): New.
4841 (override_options): Install it.
4842 (ix86_init_machine_status): Use xcalloc.
4843 (ix86_mark_machine_status): Verify machine non-null.
4844 * config/ia64/ia64.c (ia64_free_machine_status): New.
4845 (ia64_override_options): Install it.
4846 (ia64_mark_machine_status): Verify machine non-null.
4848 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4850 * function.c (instantiate_virtual_regs): Instantiate virtual
4851 registers found in CALL_INSN_FUNCTION_USAGE.
4853 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4855 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4856 equivalent to -ansi in disabling -Di386.
4858 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4860 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4862 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4864 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4866 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4868 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4870 * invoke.texi: Document that -fcond-mismatch isn't supported for
4873 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4875 * gcc.texi: Define macro gcctabopt.
4876 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4877 @command, @env and @option in some places where appropriate. Use
4878 @gcctabopt where appropriate. Put URLs and email addresses inside
4881 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4883 * gcc.c (cpp_options): Set MD file name from output
4884 filename, if specified.
4885 (suffix_subst): New static variable.
4886 (do_spec): Clear it.
4887 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4889 (give_switch): Handle suffix_subst.
4891 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4893 * invoke.texi: Fix another typo.
4895 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4897 * invoke.texi: Fix typo.
4899 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4901 * c-lang.c (lang_hooks): Update.
4902 (lang_decode_option): Remove.
4903 (lang_init_options): Rename c_init_options.
4904 * toplev.c (main): Use lang_hooks for lang_init_options
4905 and lang_decode_option.
4906 * toplev.h (lang_hooks): Add 2 new hooks.
4907 * tree.h: Remove lang_init_options and lang_decode_option.
4908 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4909 * cp/decl2.c: Similarly.
4910 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4911 (lang_hooks): Update.
4912 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4914 (lang_init_options): Rename ffe_init_options.
4915 (lang_hooks): Update.
4916 (lang_decode_option): Remove.
4917 * java/lang.c (lang_init_options): Rename java_init_options.
4918 (lang_decode_option): Rename java_decode_option.
4919 (lang_hooks): Update.
4920 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4921 (lang_decode_option): Rename objc_decode_option.
4922 (lang_hooks): Update.
4924 2001-01-09 Nick Clifton <nickc@redhat.com>
4926 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4927 (d30v_return_addr_rtx): Delete.
4928 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4929 cfun->machine structure.
4930 (struct machine_function): Move to d30v.h
4931 (d30v_save_machine_status): Delete.
4932 (d30v_restore_machine_status): Delete.
4933 (d30v_init_machine_status): New Function.
4934 (d30v_mark_machine_status): New Function.
4935 (d30v_free_machine_status): New Function.
4936 (d30v_init_expanders): Use new functions.
4937 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4938 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4939 d30v_return_addr_rtx.
4941 * config/d30v/d30v.h (struct_machine): Move here.
4942 Add eh_epilogue_sp_ofs field.
4944 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4945 field in cfun->machine structure.
4947 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4949 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4950 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4951 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4953 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4955 * objc/lang-options.h: Remove bogus reference to
4958 2001-01-09 Kazu Hirata <kazu@hxi.com>
4960 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4963 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4965 * reload.c (find_reloads_address): Check for eliminable registers
4966 when substituting a constant expression for a pseudo.
4968 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4970 * c-common.c (enum format_type): Add format_type_error.
4971 (decode_format_type): New function.
4972 (decl_attributes): Use it.
4973 (format_kind_info): Adjust comment.
4975 2001-01-09 David O'Brien <obrien@BSDi.com>
4977 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4978 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4980 * config/i386/gnu.h: Don't include required platform specific .h files,
4981 tm.h will do it instead.
4982 * config/i386/i386elf.h: Likewise.
4983 * config/i386/linux.h: Likewise.
4984 * config/i386/moss.h: Likewise.
4985 * config/mips/gnu.h: Likewise.
4987 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4989 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4990 (rs6000-ibm-aix3.[01]*): Likewise.
4991 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4992 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4993 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4994 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4995 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4996 (powerpc-*-eabiaix*): Likewise.
4997 (powerpc-*-eabisim*): Likewise.
4998 (powerpc-*-elf*): Likewise.
4999 (powerpc-*-eabi*): Likewise.
5000 (powerpc-*-rtems*): Likewise.
5001 (powerpc-*-linux*libc1): Likewise.
5002 (powerpc-*-linux*): Likewise.
5003 (powerpc-wrs-vxworks*): Likewise.
5004 (powerpcle-wrs-vxworks*): Likewise.
5005 (powerpcle-*-sysv*): Likewise.
5006 (powerpcle-*-elf*): Likewise.
5007 (powerpcle-*-eabisim*): Likewise.
5008 (powerpcle-*-eabi*): Likewise.
5009 (powerpcle-*-solaris2*): Likewise.
5010 * config/rs6000/aix31.h: Delete includes.
5011 * config/rs6000/aix3newas.h: Likewise.
5012 * config/rs6000/aix41.h: Likewise.
5013 * config/rs6000/aix43.h: Likewise.
5014 * config/rs6000/beos.h: Likewise.
5015 * config/rs6000/rtems.h: Likewise.
5016 * config/rs6000/sysv4.h: Likewise.
5018 2001-01-09 Kazu Hirata <kazu@hxi.com>
5020 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5021 Change an argument mode of machine_mode to shift_mode of
5022 shift_mode. Remove an extra error check.
5023 (emit_a_shift): Adopt to the new calling prototype of
5025 (function_prologue): Fix code for a monitor
5026 function. Support H8/S.
5027 (function_epilogue): Do not output pop for a monitor function.
5029 2001-01-09 Nick Clifton <nickc@redhat.com>
5031 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5032 (setup_incoming_varargs): Use sysv_varargs_p field of the
5033 cfun->machine structure.
5034 (struct machine_function): Move to rs6000.h
5035 (rs6000_save_machine_status): Delete.
5036 (rs6000_restore_machine_status): Delete.
5037 (rs6000_init_machine_status): New Function.
5038 (rs6000_free_machine_status): New Function.
5039 (rs6000_init_expanders): Use new functions.
5041 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5043 (struct machine_function): Move here.
5045 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5046 sysv_varargs_p field of the cfun->machine structure.
5048 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5050 (rs6000_restore_machine_status): Remove prototype.
5052 2001-01-09 Richard Henderson <rth@redhat.com>
5054 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5055 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5056 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5057 (sched_analyze_2, sched_analyze_insn): Likewise.
5058 (sched_analyze, init_deps): Likewise.
5059 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5060 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5061 (compute_block_backward_dependences): Update propagate_deps call.
5063 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5065 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5067 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5069 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5070 (cpp_handle_option): Handle them.
5071 (cpp_post_options): Ensure one of -M or -MM is specified with
5072 any other -M? option.
5073 (init_dependency_output): Suppress output with -MG.
5075 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5078 * invoke.texi: Update.
5080 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5082 * sh.md (reload_outsf): Generate recognizable patterns for
5085 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5087 * c-lang.c (lang_hooks): Update.
5088 (lang_init): Rename c_init.
5089 (lang_finish): Remove.
5090 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5092 * toplev.h (lang_hooks): Add init () and finish ().
5093 * tree.h (lang_init, lang_finish): Remove.
5094 * cp/tree.h (lang_init, lang_finish): Remove.
5095 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5096 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5098 (lang_init, lang_finish): Remove.
5099 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5100 (lang_hooks): Update.
5101 * java/lang.c (lang_init): Rename java_init.
5102 (lang_finish): Remove.
5103 (lang_hooks): Update.
5104 * objc/objc-act.c (lang_init): Rename objc_init.
5105 (lang_finish): Remove.
5106 (lang_hoooks): Update.
5108 20001-01-09 Graham Stott <grahams@redhat.com>
5110 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5111 after `ptr` is initialised.
5113 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5115 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5116 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5117 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5118 stack adjusts, instead of r3.
5120 2001-01-09 Michael Hayes <mhayes@redhat.com>
5122 * flow.c (flow_loop_scan): Break out of ...
5123 (flow_loops_find) ... here.
5124 * basic-block.h (flow_loop_scan): New.
5125 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5126 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5128 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5130 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5132 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5133 realloc()ing macro_buffer.
5135 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5136 if it's wider than long and the target's long is wider than the
5139 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5141 Remove support for using UWIN as a host machine.
5142 * configure.in: Issue an error message.
5143 * configure: Regenerated.
5144 * config.gcc: Remove xm_* UWIN configury.
5145 * config/i386/xm-uwin.h: Remove.
5147 2001-01-08 Nick Clifton <nickc@redhat.com>
5149 * config/v850/v850.c (ra_rtx): Delete.
5150 (v850_save_machine_status): Delete.
5151 (v850_restore_machine_status): Delete.
5152 (v850_init_machine_status): New function.
5153 (v850_mark_machine_status): New function.
5154 (v850_free_machine_status): New function.
5155 (v850_return_addr): Use ra_rtx field in machine structure.
5156 (v850_init_expanders): Use new functions.
5158 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5159 * config/v850/v850.c: Change arguments to v850_output+* functions
5160 to take a const char *, to avoid compile time warning.
5161 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5162 (USER_LABEL_PREFIX): Redefine.
5164 2000-01-08 Jim Wilson <wilson@redhat.com>
5166 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5167 1 to unsigned HOST_WIDE_INT before left shift.
5169 2001-01-08 Nick Clifton <nickc@redhat.com>
5171 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5172 the machine structure has been allocated.
5173 (arm_free_machine_status): New function: Free the machine
5174 specific function structure.
5176 2001-01-08 Richard Henderson <rth@redhat.com>
5178 * jump.c (simplejump_p): Revert last change.
5180 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5182 * cppinit.c (init): Rename init_library.
5183 (cpp_create_reader): Update.
5184 * gcc.c (cpp_options): If -o given, use it as the target of
5187 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5189 * arm.c (arm_arch5e): New variable.
5190 (all_cores): XScale is a 5TE device.
5191 (arm_override_options): Set arm_arch5e.
5192 (arm_init_builtins): __builtin_prefetch is in arch5e.
5193 * arm.h (arm_arch5e): Declare it.
5195 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5197 * arm.md (define_constants): Add defines for UNSPEC and
5198 UNSPEC_VOLATILE insns. Update all users.
5199 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5200 * arm.c (multi_register_push, note_invalid_constants)
5201 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5202 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5203 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5205 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5207 * jump.c (jump_optimize_1): Use reversed_comparison_code
5208 instead of can_reverse_comparison_p.
5209 (jump_back_p): Likewise.
5210 (invert_exp_1): Likewise.
5211 (thread_jumps): Likewise.
5212 * simplify-rtx.c (simplify_unary_operation): Likewise.
5213 (simplify_ternary_operation): Likewise.
5214 * cse.c (find_comparison_args): Convert to use
5215 can_reverse_comparison_p.
5216 (record_jump_equiv): Likewise.
5218 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5220 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5221 (EPILOGUE_USES): Define.
5222 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5223 automatically stack the LR if it isn't live.
5225 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5227 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5230 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5232 * ggc-page.c (max_alignment): New structure.
5233 (MAX_ALIGNMENT): New macro.
5234 (init_ggc): Use it to round up the sizes in the
5235 extra_order_size_table.
5237 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5239 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5242 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5244 * builtins.def (BUILT_IN_FPRINTF): New entry.
5246 * c-common.c (c_expand_builtin_fprintf): New function.
5247 (init_function_format_info): Handle __builtin_fprintf.
5248 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5249 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5251 * c-decl.c (duplicate_decls): Adjust comment.
5253 * extend.texi (fprintf): Document new builtin.
5255 2001-01-07 Richard Henderson <rth@redhat.com>
5257 * jump.c (simplejump_p): Recognize any single_set jump
5260 2001-01-07 Richard Henderson <rth@redhat.com>
5262 * configure.in (slibdir): Accept an --with-slibdir option.
5263 Use "test" not "[" in configure. Default to $(libdir).
5265 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5267 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5268 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5269 (SHLIB_LINK): Create links for the soname.
5270 * config/mips/t-iris6: Likewise.
5271 * config/sparc/t-slibgcc: Likewise.
5272 * config/sparc/t-slibgcc-sld: Likewise.
5274 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5276 * config/i386/i386.c (constant_call_address_operand): Accept
5277 (const (plus (symbol_ref) (const_int))).
5278 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5279 constant_call_address_operand.
5281 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5283 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5284 and LONG_LONG_TYPE_SIZE > 32.
5286 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5288 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5289 the previous change.
5291 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5293 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5295 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5296 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5297 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5300 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5302 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5304 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5306 * c-lang.c (c_post_options): Call cpp_post_options.
5307 * objc/objc-act.c (objc_post_options): Similarly.
5308 * cppmain.c (main): Similarly.
5309 * fix-header.c (read_scan_file): Similarly.
5310 * cppinit.c (cpp_start_read): Move option consistency checks
5311 to cpp_post_options. Don't call init_dependency_output.
5312 If needed, add default target and main file dependency.
5313 (OPT_MD, OPT_MMD): Remove.
5315 (cpp_handle_option): Update for OPT_* changes.
5316 (cpp_post_options): New.
5317 (init_dependency_output): Command line -MF overrides environment
5318 variables. Don't set default target etc. Suppress output
5319 if dependencies are going to stdout.
5320 (print_help): Update.
5321 * cpplib.h (cpp_post_options): New.
5322 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5324 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5326 * jump.c (comparison_dominates_p): Support unordered compares.
5328 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5330 * simplify-rtx.c (simplify_relational_operation): Always simplify
5331 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5334 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5336 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5337 (nonzero_bits): Likewise.
5338 (simplify_comparison): Likewise.
5339 (num_sign_bit_copies): Likewise; return more sane value depending
5340 on STORE_FLAG_VALUE.
5341 (known_cond): Do not assume EQ to be always true for equivalent
5344 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5346 * cse.c (fold_rtx): Handle unordered comparisons.
5348 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5350 * rtlanal.c (set_of_1): New static function.
5351 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5352 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5353 reg_set_last_last_regno): Remove.
5354 (set_of): New global function.
5355 (set_of_data): New structure.
5356 (reg_set_p, reg_set_last): Revamp for set_of.
5357 * rtl.h (set_of): New.
5359 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5361 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5362 * extend.texi: Document _Exit builtin.
5364 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5366 * (initialize, initialize_builtins,
5367 initialize_dependency_output, initialize_standard_includes):
5368 Rename s/initialize/init. Update.
5369 (init_dependency_output): Move to after
5370 cpp_handle_options, the correct location temporally at least.
5371 (opt_comp): Move next to init (), its caller. Fix prototype.
5372 (init): Make "initialized" local scope.
5373 (cpp_create_reader): Always call init ().
5374 (cpp_start_read): Update.
5375 (output_deps): New function, broken out of cpp_finish.
5376 (cpp_finish): Break out output_deps.
5378 2001-01-07 Richard Henderson <rth@redhat.com>
5380 * collect2.c (COFF specific stuff): Revert 12-06 patch
5381 to prototype system functions.
5383 2001-01-07 Michael Hayes <mhayes@redhat.com>
5385 * hard-reg-set.h: Add multiple include guard.
5386 * basic-block.h (struct loop): Add `sink' field.
5387 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5388 (emit_iv_add_mult): Delete.
5389 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5390 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5391 (unroll_loop): Remove end_insert_before argument.
5392 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5393 (maybe_eliminate_biv_1): Likewise.
5394 (emit_iv_add_mult): Delete.
5395 (gen_add_mult, loop_regs_update): New.
5396 (loop_insn_emit_after, loop_insn_emit_before): New.
5397 (loop_insn_sink, loop_insn_sink_or_swim): New.
5398 (emit_iv_add_mult): Delete.
5399 (scan_loop): Set loop->sink.
5400 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5401 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5402 (maybe_eliminate_biv_1): Likewise.
5403 (maybe_eliminate_biv_1): Add basic block argument.
5404 * unroll.c (unroll_loop): Remove end_insert_before argument.
5405 (find_splittable_regs): Likewise.
5406 (find_splittable_regs): Use loop_insn_sink and its ilk.
5407 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5409 2001-01-07 Michael Hayes <mhayes@redhat.com>
5411 * loop.h (loop_insn_hoist): New prototype.
5412 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5413 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5414 (check_dbra_loop, load_mems): Likewise.
5415 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5416 (find_splittable_givs): Likewise.
5418 2001-01-07 Michael Hayes <mhayes@redhat.com>
5420 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5422 2001-01-07 Richard Henderson <rth@redhat.com>
5424 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5426 2001-01-07 Richard Henderson <rth@redhat.com>
5428 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5429 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5430 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5431 variant that handles a shared libgcc.
5432 (process_command): Always validate -{static,shared}-libgcc.
5433 (do_spec_1): New 'M' case.
5434 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5436 2001-01-07 Richard Henderson <rth@redhat.com>
5438 * Makefile.in (slibdir): New variable.
5439 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5440 (installdirs): Create slibdir.
5441 (install-libgcc, install-multilib): Defer to libgcc.mk.
5442 * configure.in (slibdir): Substitute.
5443 * mklibgcc.in (install): New target.
5445 * config/t-linux (SHLIB_LINK): Create links for the soname.
5446 (SHLIB_INSTALL): New.
5447 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5448 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5449 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5450 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5451 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5453 2001-01-07 Richard Henderson <rth@redhat.com>
5455 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5456 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5457 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5459 2001-01-07 Michael Hayes <mhayes@redhat.com>
5461 * loop.c (count_loop_regs_set): Delete.
5462 (load_mems_and_recount_loop_regs_set): Delete.
5463 (loop_regs_scan): Merge common code from count_loop_regs_set,
5464 scan_loop, and load_mems_and_recount_loop_regs_set.
5465 (scan_loop): Call load_mems directly and loop_regs_scan
5466 again if new registers created.
5468 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5470 * toplev.c (main): Call the front-end specific post_options
5471 hook if one is given.
5472 * toplev.h (struct_lang_hooks, lang_hooks): New.
5473 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5474 for the C front end.
5475 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5476 lang_hooks for the C++ front end.
5477 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5478 lang_hooks for the ObjC front end.
5479 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5480 * java/lang.c (lang_hooks): Hooks for the Java front end.
5482 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5484 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5485 for verbose DWARF[2] debugging.
5486 (cb_define, cb_undef): The new callbacks.
5487 * toplev.h (debug_define, debug_undef): Make const correct.
5488 * toplev.c (debug_define, debug_undef): Similarly. Do not
5489 perform the verbosity tests here anymore.
5491 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5493 * reload.c (subst_reloads): Take INSN argument. When
5494 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5495 * reload.h (subst_reloads): Adjust prototype.
5496 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5497 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5498 present in JUMP_INSNs and copy them to JUMP_LABEL.
5499 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5500 JUMP_INSNs and insns with REG_LABELs that are followed by
5501 JUMP_INSNs with the same REG_LABEL.
5502 * sched-rgn.c (is_cfg_nonregular): Likewise.
5503 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5505 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5507 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5509 2001-01-06 Richard Henderson <rth@redhat.com>
5511 * loop.c (scan_loop): Use xcalloc for the regs array.
5512 (load_mems_and_recount_loop_regs_set): Zero the new memory
5513 received from xrealloc.
5515 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5517 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5519 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5521 * integrate.c (copy_rtx_and_substitute): When copying
5522 an ignored return value, strip REG_FUNCTION_VALUE_P.
5524 2001-01-06 Michael Hayes <mhayes@redhat.com>
5526 * loop.c (debug_biv, debug_giv): New.
5527 (loop_biv_dump): Break out from ...
5528 (record_biv): ... here.
5529 (loop_giv_dump): Break out from ...
5530 (record_giv): ... here.
5531 (loop_bivs_check): Use print_simple_rtl.
5532 * unroll.c (loop_iterations): Use print_simple_rtl.
5534 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5536 * pa.md (return, return_internal): Modify patterns to prevent regrename
5537 mucking with the return pointer.
5539 2001-01-05 Richard Henderson <rth@redhat.com>
5541 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5543 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5545 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5546 version supplied by Matteo Frigo.
5548 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5550 * cpp.texi: Update for -MQ.
5551 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5552 (cpp_cleanup): Always free pfile->deps.
5553 (initialize_dependency_output): Don't create pfile->deps.
5554 (cpp_handle_option): Similarly.
5556 * gcc.c (cpp_options): Handle -MQ.
5557 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5558 * mkdeps.c (base_name): Remove.
5559 (deps_init): Don't allocate vector space until it's needed.
5560 (deps_free): Only free vectors if allocated.
5561 (deps_add_target, deps_add_dep): Update for initial allocation.
5562 (deps_add_default_target): Don't strip to the base_name.
5564 2001-01-05 DJ Delorie <dj@redhat.com>
5566 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5567 (INIT_EXPANDERS): Define.
5569 * config/v850/v850.c (struct machine_function): Define.
5570 (v850_save_machine_status): New function.
5571 (v850_restore_machine_status): New function.
5572 (v850_return_addr): New function.
5573 (v850_init_expanders): New function.
5575 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5576 and v850_init_expanders.
5578 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5580 * cpplib.h (struct cpp_reader): Add help_only field.
5581 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5582 (cpp_handle_option): Set pfile->help_only if we see -h,
5583 --help, -target-help, or --version. Print version string but
5584 do not set help_only if we see -v or -version. Make text
5585 printed by -v match that printed by (-)-version.
5587 * cppmain.c (main): Exit after option parsing if
5588 pfile->help_only is true.
5590 * toplev.c (independent_decode_option): Call print_version,
5591 then exit, if we see --version (but not -version).
5592 (print_version): Split lengthy message into two lines.
5594 2001-01-05 Nick Clifton <nickc@redhat.com>
5596 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5597 temporary string for initialisation before calling ggc_alloc_string.
5599 2001-01-06 Michael Hayes <mhayes@redhat.com>
5601 * rtl.h (print_simple_rtl): New.
5602 * print-rtl.c (print_simple_rtl): New.
5604 (print_rtx): Disable printing of flags and modes, etc.,
5605 if `flag_simple` nonzero.
5607 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5609 * function.c (fixup_var_refs): Use push_to_full_sequence where
5612 2001-01-05 Michael Meissner <meissner@redhat.com>
5614 * flags.h (flag_reorder_blocks): Add declaration.
5615 (flag_rename_block): Ditto.
5617 2001-01-05 DJ Delorie <dj@redhat.com>
5619 * function.c (reorder_blocks): Make sure the flags are all reset
5620 before using them to mark blocks, else a second invocation will
5621 corrupt the block chain.
5622 (reorder_blocks_0): New, resets the flags.
5624 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5626 * cse.c (find_comparison_args): Stop if the argument is known to
5629 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5631 * config/sh/sh.md (movdf): When splitting load into pair of
5632 registers, don't clobber the register used in the address too
5635 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5637 * varasm.c (mark_constant_pool): Improve initial comments.
5638 (mark_constants): Move marking of constants to mark_constant.
5639 (mark_constant): New function to recursively mark all constants
5640 referred to by a constant.
5642 2001-01-05 Catherine Moore <clm@redhat.com>
5644 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5646 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5648 * cp/lang-options.h: Bring comment in line with reality.
5649 * f/lang-options.h: Likewise.
5650 * java/lang-options.h: Likewise.
5651 * objc/lang-options.h: Likewise.
5652 * ch/lang-options.h: Likewise.
5653 * f/g77.texi: And update the manual.
5655 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5656 Denis Chertykov <denisc@overta.ru>
5658 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5659 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5660 * config/avr/avr.md (all peepholes that request a scratch register):
5661 Call it, FAIL the peephole if not safe (in interrupt functions).
5663 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5665 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5667 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5669 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5671 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5672 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5673 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5674 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5675 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5677 * extend.texi: Document these builtins.
5679 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5681 * c-common.c (lang_get_alias_set): Say we know nothing of
5682 VECTOR_TYPE aliasing.
5684 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5686 2001-01-05 Bruce Korb <bkorb@gnu.org>
5688 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5689 their x* equivalent versions for atexit-less systems
5690 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5691 systems (or any other system any more).
5693 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5695 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5696 output operands. Use arm_hard_register_operand for operand 4.
5697 (stmsi_postinc): Similarly.
5698 (ldmsi): Use arm_hard_register_operand for opernand 2.
5700 * arm.c (arm_hard_register_operand): New function.
5701 * arm-protos.h (arm_hard_register_operand): Prototype it.
5703 * arm.h (HARD_REGNO_RENAME_OK): Define.
5705 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5707 * simplify-rtx.c (cfc_args): add "unordered" field.
5708 (check_fold_consts): Set unordered field.
5709 (simplify_relational_operation): Simplify the unordered
5712 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5715 * emit-rtl.c (try_split): Fix code to mark labels.
5716 * jump.c (mark_jump_label): Make global.
5717 * rtl.h (mark_jump_label): Declare.
5719 * predict.c (estimate_probability): Handle unordred comparisons.
5721 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5723 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5724 * cppinit.c (initialize_dependency_output): Update.
5725 (cpp_finish): Output dummy targets for -MP.
5727 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5728 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5729 * gcc.c (cpp_options): Update to handle -MP.
5730 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5731 to quote only the default target.
5732 (deps_phony_targets): Insert a preceding newline. Rename from
5733 deps_dummy_targets for consistency.
5736 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5738 * calls.c (emit_library_call_value_1): Support
5739 INIT_CUMULATIVE_LIBCALL_ARGS.
5740 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5742 2001-01-04 Richard Henderson <rth@redhat.com>
5744 * c-decl.c (finish_struct): Detect flexible array members
5745 used in an inappropriate context.
5746 * c-typeck.c (really_start_incremental_init): Special case
5747 constructor_max_index for zero length arrays.
5748 (pop_init_level): Allow initialization of flexible array
5749 members. Deprecate initialization of zero length arrays.
5750 Don't issue missing initializer warning for flexible array
5751 members or zero length arrays.
5752 (process_init_element): Don't dereference null DECL_SIZE.
5753 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5754 Don't abort for empty constructors. Use size_binop
5755 (output_constructor): Add commentary regarding zero length
5756 array futures. Abort if we try to initialize an array of
5757 unspecified length with a non-empty constructor in the middle
5760 * extend.texi (Zero Length): Update and clarify documentation
5761 on static initialization.
5763 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5765 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5766 with more than 32767 words of local storage.
5768 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5770 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5771 for 'abs', 'labs', and 'fabs'.
5772 (c4x_expand_builtin): Likewise.
5773 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5775 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5777 * config/sh/sh.md (prget, prset): New insn types.
5778 (return delay slot): Dont' allow prset.
5779 (call, sfunc delay slot): Don't allow prget.
5780 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5781 for prset and prget.
5783 2001-01-05 Michael Hayes <mhayes@redhat.com>
5785 * loop.h (struct loop_reg): New.
5786 (struct loop_regs): Change to use array of `struct loop_reg'.
5787 * loop.c: Replace assortment of varrays with single regs array.
5788 (count_one_set): Delete may_not_move array argument
5789 and use regs array instead. All caller's changed.
5790 (count_loop_regs_set): Delete may_not_move and single_usage
5791 arguments and use regs array instead. All caller's changed.
5792 (find_single_use_in_loop): Replace usage array argument with pointer
5793 to regs structure. All caller's changed.
5794 (loop_optimize): Delete `moved_once' array.
5796 2001-01-05 Michael Hayes <mhayes@redhat.com>
5798 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5799 Use it instead of loop_info->has_call for scanning loop mems.
5800 (check_dbra_loop): Replace loop_info->has_call test with
5801 loop_info->has_nonconst_call.
5803 2000-01-04 Matthew Hiller <hiller@redhat.com>
5805 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5808 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5810 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5811 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5813 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5815 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5816 (flag_short_double, flag_short_wchar): Define.
5817 (c_common_nodes_and_builtins): Create many tree nodes shared
5818 between C and C++ here instead of in cp/decl.c and ...
5819 * c-decl.c (init_decl_processing): ... here.
5820 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5821 (flag_short_double, flag_short_wchar): Don't define.
5822 (record_builtin_type): New function.
5823 (build_void_list_node): New function.
5824 * c-common.h (flag_short_double, flag_short_wchar,
5825 record_builtin_type, build_void_list_node): Declare.
5827 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5829 * integrate.c (expand_inline_function): Don't put a virtual
5830 register into the reg map.
5832 * function.c (fixup_var_refs_1): If force_operand didn't put
5833 the address into the target, move it there.
5835 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5837 Special-case tree_decl/tree_list allocations.
5838 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5839 (OBJECT_SIZE): New macro.
5840 (NUM_EXTRA_ORDER): Likewise.
5841 (extra_order_size_table): New variable.
5842 (NUM_ORDERS): New macro.
5843 (objects_per_page_table): New variable.
5844 (object_size_table): New variable.
5845 (G.pages): Use NUM_ORDERS to bound the array.
5846 (G.page_tails): Likewise.
5847 (DIV_ROUND_UP): Remove.
5848 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5849 (alloc_page): Use OBJECT_SIZE.
5850 (size_lookup): Don't make it const.
5851 (ggc_alloc): Use OBJECT_SIZE.
5852 (ggc_set_mark): Likewise.
5853 (ggc_get_size): Likewise.
5854 (init_ggc): Set up the object_size_table, objects_per_page_table,
5855 and adjust size_lookup.
5856 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5857 (ggc_pop_context): Use NUM_ORDERS.
5858 (clear_marks): Likewise.
5859 (sweep_pages): Likewise.
5860 (poison_pages): Likewise.
5861 (ggc_print_statistics): Use OBJECT_SIZE.
5863 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5865 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5866 Only call array_size_for_constructor if last field and array type
5867 with no upper bound.
5869 2001-01-04 Philip Blundell <philb@gnu.org>
5871 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5872 from bit 31 downwards, if this requires no more insns.
5873 (count_insns_for_constant): New helper function for above.
5875 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5877 * gencodes.c (output_predicate_decls): Remove empty initializer.
5879 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5881 * tree.c (copy_node): Remove documentation about obstacks.
5882 (buidl1): Check that nobody tries to build 2-argument nodes this
5885 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5887 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5890 * gencodes.c (output_predicate_decls): Fill empty initializer
5893 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5895 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5896 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5898 (do_include): Handle missing headers like cpp0.
5899 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5900 paths with first include pathname. Don't strcat to uninitialized
5903 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5905 * regrename.c (regrename_optimize): Don't rename from frame pointer
5906 if frame_pointer_needed.
5907 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5908 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5909 (ia64_reorg): Use it instead of scheduling if ! optimize.
5910 (errata_emit_nops): Properly call asm_noperands.
5911 (ia64_sched_reorder): Finish cycle if we see an asm.
5912 (ia64_variable_issue): Clear scheduling state after asms.
5914 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5916 * cpp.texi: Update for -MT.
5917 * cppinit.c (initialize_dependency_output): Add a default
5918 target if none has been given already.
5919 (no_tgt, OPT_MT): New.
5920 (cpp_handle_option): Handle -MT. Update -M etc.
5921 * cpplib.h (struct cpp_options): Remove deps_target.
5922 * gcc.c (cpp_options): Handle -MT.
5923 * mkdeps.c (struct deps): Move from mkdeps.h.
5924 (deps_calc_target): Rename deps_add_default_target. Add a
5925 default target if none has been specified already.
5926 * mkdeps.h (struct deps): Move to mkdeps.c.
5927 (deps_calc_target): Rename deps_add_default_target.
5929 2000-01-03 Richard Henderson <rth@redhat.com>
5931 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5933 * c-typeck.c (push_init_level): Move checks for flexible array
5934 members and zero length arrays ...
5935 (pop_init_level): ... here. Silently discard empty initializations.
5937 * varasm.c (output_constructor): Update for sizeof change to
5940 * extend.texi (Zero Length): Clarify semantics.
5942 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5944 * configure.in (tm.h): Include isns-codes.h last.
5945 * configure: Rebuilt.
5947 2001-01-03 Richard Henderson <rth@redhat.com>
5949 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5950 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5952 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5954 * tradcpp.c (main): Make sure finclude() is called with a valid
5955 indepth value while handling -include.
5957 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5959 * gencodes.c (output_predicate_decls): New function.
5961 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5962 even if it is not the first time machmode.h is #included.
5963 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5964 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5965 * gcc.texi (Copyright): Added 2001.
5967 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5969 * c-common.c (c_common_lang_init): New function. Warn if format
5970 warning options which only have effects when used with -Wformat
5971 are used without -Wformat.
5972 * c-common.h (c_common_lang_init): Declare.
5973 * c-lang.c (lang_init): Call c_common_lang_init.
5974 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5976 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5978 * configure.in: Check for the mktemp command.
5979 * configure: Regenerate.
5980 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5981 $TEMP. Create temporary files with mktemp, if available at
5982 configure time; otherwise use set -C. Remove temporary files
5985 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5987 * configure.in: Require at least texinfo 4.0. Check for whether
5988 Pod::Man is sufficiently recent to regenerate GCC manpages.
5989 * configure: Regenerate.
5990 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5992 (GENERATED_MANPAGES): Define.
5993 (generated-manpages): New target. Depend on cpp.1 as well as
5995 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5996 configure to generated-manpages or empty) rather than on the
5997 manpages directly. Remove execute permission from installed
5998 gcov.1 as well as cpp.1.
5999 * cpp.1, gcov.1: Regenerate.
6001 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6003 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6004 tree_low_cst. Allow using cmpstrsi in more cases.
6006 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6008 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6011 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6013 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6014 * Makefile.in (HOST_CFLAGS): Mention build-make.
6016 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6018 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6021 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6023 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6026 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6029 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6030 reg_base_value and reg_known_value arrays.
6031 (init_alias_analysis): Add more cases to detect known values.
6032 * sched-deps.c (deps_may_trap_p): New function.
6033 (sched_analyze_2): Use it.
6035 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6037 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6038 don't discard an ASHIFTRT if we're shifting in a wider mode.
6040 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6042 * toplev.c (rest_of_compilation): Don't print basic block information
6043 when CFG isn't up to date.
6045 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6047 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6048 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6049 (UNALIGNED_SHORT_ASM_OP): Define.
6050 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6052 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6054 * fold-const.c (fold_convert): Fix typo.
6056 2001-01-02 Richard Henderson <rth@redhat.com>
6058 * c-common.h (ASM_INPUT_P): New.
6059 * c-parse.in (asm): Set it when needed.
6060 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6061 existance of an operand.
6063 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6065 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6066 (dwarf2out_frame_debug_expr): Likewise.
6067 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6069 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6071 * i386.c (ix86_split_to_parts): Return number of part required;
6073 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6075 (ix86_split_long_move): Use number of part returned
6076 by ix86_split_to_parts
6077 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6079 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6080 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6081 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6082 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6083 (ALIGN_MODE_128): Add TFmode.
6084 (IS_STACK_MODE): Likewise.
6085 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6086 (HARD_REGNO_OK): Support TFmodes.
6087 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6088 * i386.md (scheduler definitions): Use memory operand to determine
6089 fst/fld instructions; use mode attribute to determine real mode of
6091 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6092 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6094 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6096 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6098 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6100 * expr.c (store_constructor_field): Update ALIGN before calling
6103 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6105 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6108 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6110 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6113 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6115 * c-decl.c (start_function): Don't warn on third parameter to main.
6117 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6119 * tsystem.h: Define HAVE_DECL_GETOPT.
6121 2001-01-02 Philip Blundell <pb@futuretv.com>
6123 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6126 2001-01-02 Richard Henderson <rth@redhat.com>
6128 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6130 2001-01-02 Andreas Jaeger <aj@suse.de>
6132 * c-decl.c (c_decode_option): Remove support of
6135 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6136 (W_options): Add -Wmissing-noreturn here.
6138 * flow.c: Define lang_missing_noreturn_ok_p.
6139 (check_function_return_warnings): Use it.
6141 * c-common.h: Declare lang_missing_noreturn_ok_p.
6143 * c-lang.c (c_missing_noreturn_ok_p): New function.
6144 (lang_init): Set lang_missing_noreturn_ok_p.
6146 * invoke.texi (Warning Options): Document this.
6148 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6150 * extend.texi (C++ Extensions): New node for C++ attributes;
6151 describe init_priority and com_interface.
6152 * invoke.texi: Remove -finit-priority as it now has zero effect.
6153 * install.texi: Fix xref syntax.
6154 * md.texi: Likewise.
6156 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6158 * config.gcc (sparc64-wrs-vxworks*): New case.
6159 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6161 * config/sparc/sparc.c (sparc_override_options): Do support different
6162 pointer and architecture size.
6163 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6164 (POINTERS_EXTEND_UNSIGNED): Define.
6165 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6166 (FUNCTION_MODE): Define to be Pmode.
6167 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6169 * function.c (expand_function_end): Properly handle DECL_RESULT
6170 and copy when ptr_mode != Pmode.
6171 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6173 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6175 * c-common.c (c_common_nodes_and_builtins): Set prototype
6176 parameters for __builtin_fputs, __builtin_fputc and
6177 __builtin_fwrite. Don't declare plain fputc as a builtin.
6179 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6181 * loop.c (add_label_notes): Increment the label usage count when
6182 a note is added to an insn which refers to a CODE_LABEL.
6183 * gcse.c (add_label_notes): Likewise.
6185 2001-01-01 Andreas Jaeger <aj@suse.de>
6187 * loop.c (scan_loop): Use xmalloc to allocate movables.
6189 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6191 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6192 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6193 * reload1.c (REGISTER_MOVE_COST): Likewise.
6194 * regclass.c (REGISTER_MOVE_COST): Likewise.
6195 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6196 dimension. Adjust all users.
6197 (init_reg_sets_1): Iterate on all modes.
6198 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6199 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6200 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6201 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6202 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6203 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6204 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6205 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6206 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6207 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6208 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6209 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6210 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6211 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6212 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6213 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6214 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6215 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6216 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6217 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6218 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6219 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6220 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6221 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6222 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6223 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6224 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6226 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6228 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6229 arg VARIES_P. Call it with extra arg.
6230 (true_dependence): Likewise.
6231 * rtl.h (rtx_addr_can_trap_p): Declare.
6232 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6234 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6235 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6236 pic offset table register if it's zero. All callers changed.
6237 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6239 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6241 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6242 STRING_POOL_ADDRESS_P.
6244 * config/sparc/sparc.c (input_operand): Properly test for short op.
6246 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6247 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6248 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6249 * config/sparc/elf.h: No longer include sol2.h.
6250 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6251 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6253 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6255 2001-01-01 Michael Hayes <mhayes@redhat.com>
6257 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6258 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6259 (record_initial): Likewise.
6260 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6261 (remap_split_bivs): Likewise.
6263 2001-01-01 Michael Hayes <mhayes@redhat.com>
6265 * loop.c (loop_ivs_free): New function.
6266 (strength_reduce): Break out from...
6268 2001-01-01 Michael Hayes <mhayes@redhat.com>
6270 * loop.h (struct iv): New.
6271 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6272 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6273 'reg_biv_class' fields with 'regs' and 'n_regs'.
6274 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6275 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6276 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6278 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6280 * resource.c (mark_referenced_resources): Abort() before
6281 attempting to mark a pseudo register.
6282 (mark_set_resources): Likewise.
6284 2001-01-01 Michael Hayes <mhayes@redhat.com>
6286 * loop.h (REG_IV_CLASS): New accessor macro.
6287 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6288 * unroll.c (REG_IV_CLASS): Likewise.
6290 See ChangeLog.4 for earlier changes.