1 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4 (override_options): Parse cmodel string.
5 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
6 * i386.h (TARGET_OPTIONS): Add "cmodel".
7 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
9 (ix86_cmodel_string, ix86_cmodel): Declare.
11 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
14 * i386.h (GENERAL_REG_P): Add missing REG_P.
16 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
18 * configure.in: Use $gcc_cv_as instead of $as.
19 * configure: Regenerated.
21 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
23 * cppfiles.c (stack_include_file): Only increase the include
24 count if we actually process the file properly, as opposed
25 to treating it as length zero. Only call read_include_file
26 if not DO_NOT_REREAD. Handle the -H include file output
28 (read_include_file): Remove now redundant DO_NOT_REREAD check.
29 (cpp_included, find_include_file): Simplify pathnames after
30 remapping them. If remapping, don't use the remapped file
31 name's buffer as our scratch buffer.
32 (cpp_pop_file_buffer): Replace the multiple include macro
33 only if it isn't yet set.
34 (read_name_map): Simplify remapped names when reading in.
35 (remap_filename): Move code to code path that uses it.
36 (_cpp_simplify_pathname): Return the input pointer.
37 * cpphash.h (_cpp_simplify_pathname): Update prototype.
39 2001-03-14 Mark Mitchell <mark@codesourcery.com>
41 * expr.c (expand_expr): Revove bogus conditional.
43 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
45 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
47 2001-03-14 Jakub Jelinek <jakub@redhat.com>
49 * reg-stack.c (stack_result): Unconditionally use
50 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
52 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
54 * expr.c (emit_move_insn_1): Split push of complex value when
55 no suitable push instruction exist.
57 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
60 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
62 * alias.c (handled_component_p, can_address_p): New functions.
63 (get_alias_set): Use them.
65 2001-03-13 Jim Wilson <wilson@redhat.com>
67 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
68 from 80 in try_locals code.
69 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
71 2001-03-13 Zack Weinberg <zackw@stanford.edu>
73 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
74 gcc_AC_C_LONG_LONG): New.
75 * configure.in: Use them. Probe the size of short, int, long,
76 and long long/__int64 if we have them. Move all the AC_C_*
77 checks together, except gcc_AC_C_CHAR_BIT which has to go
78 after AC_CHECK_HEADERS(limits.h).
79 Take hwint.h out of host_xm_file and build_xm_file.
81 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
82 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
83 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
84 Move the HOST_WIDEST_INT setup logic here from system.h.
85 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
87 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
88 is now handled by hwint.h.
90 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
91 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
92 config/ia64/xm-ia64.h: Don't define any of:
93 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
94 HOST_BITS_PER_LONGLONG.
96 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
97 config/h8300/xm-h8300.h, config/mips/iris6.h,
98 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
99 config/sparc/xm-sp64.h: Delete.
100 * config.gcc: Remove references to deleted files.
102 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
103 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
104 * config/i370/xm-linux.h: Clarify floating-point situation in
107 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
109 * cppfiles.c (NO_INCLUDE_PATH): New macro.
110 (find_include_file): Decide here which part of the include
111 chain to start the search. Complain about an empty include
112 chain in all cases apart from an abolsute file name.
113 (_cpp_execute_include): Don't choose the search chain here.
114 Don't call handle_missing_include in the case of an empty
116 (_cpp_compare_file_date): Don't choose the search chain here.
117 * cpplib.c (do_include_next): Move the in-main-file diagnostic
118 here from _cpp_execute_include. Behave like #include if
119 we're in the main file.
121 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
123 * system.h (malloc, realloc, calloc, strdup): Only poison these
124 tokens when IN_GCC is defined.
126 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
128 * i386.md (abs?f expander): Support SSE case.
129 (abd?f_if): Add new "USE"; add splitters.
131 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
133 * cpp.texi (poison): Explain the macro expansion exception.
135 2001-03-13 Jakub Jelinek <jakub@redhat.com>
137 * expr.c (store_expr): Add dont_store_target. If temp is already in
138 target before copying to reg, don't store it into target again.
140 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
142 * cppinternals.texi: Update for file handling.
144 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
146 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
147 2001-02-24 which broke building the Java library.
148 * function.c (identify_blocks): Likewise.
149 (all_blocks): Likewise.
150 * integrate.c (integrate_decl_tree): Likewise.
151 * print-tree.c (print_node): Likewise.
152 * tree.h (BLOCK_NUMBER): Likewise.
153 (struct tree_block): Likewise.
155 2001-03-12 David Edelsohn <edelsohn@gnu.org>
157 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
158 __WCHAR_TYPE__ definition.
159 (WCHAR_TYPE_SIZE): #undef before #define.
161 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
163 * cppfiles.c: Update comments.
164 (destroy_include_file_node): Rename destroy_node.
165 (find_or_create_entry): New function.
166 (open_file, _cpp_fake_include): Use it.
167 (handle_missing_header): New function, broken out of
168 _cpp_execute include. Don't segfault if there is no
169 system or quoted path.
170 (_cpp_execute_include): Use handle_missing_header.
172 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
174 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
175 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
177 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
179 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
180 unless anti_dependence says they are.
181 * alias.c (objects_must_conflict): If neither has a type specified,
184 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
185 David Billinghurst <David.Billinghurst@riotinto.com>
187 * config/mips/iris5.h: Change WCHAR_TYPE to int.
189 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
191 * i386.md (trunctfdf2_2): Rename missnamed pattern.
192 (*_one_bit): Remove type on the match_operand in attributes.
194 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
196 * i386.c: Commit forgotten hunk in previous patch.
197 (regclass_map): Add extended registers.
198 (dbx_register_map): Add missing frame register.
200 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
202 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
204 * i386.md (x86_sahf_1): Disable for 64bit.
205 (popsi*, pophi*): Likewise.
206 (pushqi, pushhi): Likewise.
207 (movdi, pushdi): Likewise.
208 (zero extend DImode splitter): Likewise.
209 (adddi, minusdi splitter): Likewise.
210 (umulsidi): Likewise.
212 (mulsidi): Disable for 64bit
213 (lshift:DI/ashift:DI): Disable for 64bit.
214 (loop patterns): Likewise.
215 (call_pop, call_value_pop expanders and patterns): Likewise.
216 (prologue_get_pc): Likewise.
218 (fcmovDI pattern and splitter): Likewise.
219 (movdfcc_1_rex64): New.
221 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
223 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
224 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
225 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
226 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
227 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
228 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
229 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
230 (PUSH_ROUNDING): x86_64 rounds to 64bits.
231 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
232 (REGPARM_MAX): Set to 6 for x86_64.
233 (SSE_REGPARM_MAX): Set to 16 for x86_64.
234 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
237 * (patterns that does use upper halves): Update constraints
238 'q' to 'Q' and 'r' to 'R'.
239 (cmpqi_ext_1): Disable for 64bit.
240 (cmpqi_ext_3_insn): Likewise.
241 (movqi_extzv_1): Likewsie.
242 (addqi_ext_1): Liekwsie
243 (testqi_ext_1): Liekwsie
244 (andqi_ext_1): Liekwsie
245 (xorqi_ext_1): Liekwsie
246 (cmpqi_ext_1_rex64): New.
247 (cmpqi_ext_3_insn_rex64): Likewise.
248 (movqi_extzv_1_rex64): Likewsie.
249 (addqi_ext_1_rex64): Liekwsie
250 (testqi_ext_1_rex64): Liekwsie
251 (andqi_ext_1_rex64): Liekwsie
252 (xorqi_ext_1_rex64): Liekwsie
254 2001-03-11 Zack Weinberg <zackw@stanford.edu>
256 * configure.in: Move check for unsigned enumerated bitfields
257 to macro in aclocal.m4. Disable it for now.
258 * configure, config.in: Regenerate.
259 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
260 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
261 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
262 kind above its first use.
264 * config/xm-interix.h, config/alpha/xm-alpha.h,
265 config/i370/xm-linux.h, config/i386/xm-beos.h,
266 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
267 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
268 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
269 Don't define ONLY_INT_FIELDS under any circumstances.
271 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
273 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
274 config/sparc/xm-sysv4.h: Delete - now identical with some
276 * config.gcc (hppa targets): Replace xm-pahpux.h and
277 xm-papro.h with implicit xm-pa.h.
278 (sparc targets): Replace xm-sysv4.h with implicit or explicit
281 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
283 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
284 before reload_cse_noop_set_p.
286 2001-03-11 Zack Weinberg <zackw@stanford.edu>
288 * config.gcc: Where xm-host.h used to include another
289 xm-host.h, list the nested header directly in xm_file. Remove
290 references to deleted files. Can now use sparc/xm-sp64.h for
293 * config/xm-linux.h, config/arm/xm-linux.h,
294 config/i386/xm-dos.h, config/i386/xm-gnu.h,
295 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
296 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
297 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
298 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
301 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
302 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
303 bother to wrap #undef in #ifdef.
304 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
305 Don't include xm-linux.h.
306 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
308 * configure.in: Wrap regexps using [] in changequote block.
309 Use expr : not echo | grep. Simplify regexps.
310 * configure: Regenerate.
312 56 xm-files remain, 22 xm-arch.
314 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
316 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
317 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
318 (local_index, local_rindex): Delete, use strchr/strrchr instead.
319 (copy_object): Fix format specifier vs argument mismatch.
321 * mips-tdump.c: Make local functions static.
322 (rindex): Don't #undef.
323 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
324 (fatal, fancy_abort): Delete.
325 (read_seek): Avoid signed/unsigned compare.
327 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
329 * combine.c (try_combine): Fix error in change to try original
331 (gen_rtx_combine): Do same as gen_rtx for now.
333 2001-03-11 Zack Weinberg <zackw@stanford.edu>
335 * configure.in: AC_SUBST xm_defines.
336 * configure: Regenerate.
337 * Makefile.in: Set DEFINES=$(xm_defines) when building
340 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
342 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
343 (cpp_included, find_include_file): Update.
344 (_cpp_compare_file_date): Make else unconditional.
346 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
348 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
350 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
352 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
353 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
355 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
357 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
358 if it's a record type.
360 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
362 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
363 mingw includes slightly.
365 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
367 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
368 #undef token before poisoning it.
370 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
372 * alpha.c (check_float_value): Use memcpy, not bcopy.
374 * m32r.c (m32r_sched_reorder): Likewise.
376 * vax.c (check_float_value): Likewise.
378 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
380 * toplev.c (file_name_nondirectory): Remove.
381 * toplev.h: Similarly.
382 * dwarf2out.c (compute_section_prefix): Use lbasename instead
383 of file_name_nondirectory.
385 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
387 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
388 * mips-tfile.c: Don't #undef rindex; not used.
390 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
392 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
393 (dbx64_register_map): Declare.
394 (RETURN_ADDR_RTX): Fix for 64bit.
395 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
396 (INCOMING_FRAME_SP_OFFSET): Set to 8.
397 * i386.c (dbx64_register_map): New global array.
398 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
399 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
402 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
404 * cppfiles.c (search_from): Use lbasename.
405 * mkdeps.c (deps_add_default_target): Use lbasename.
407 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
409 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
410 xcalloc in lieu of malloc, realloc & calloc.
412 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
414 * gengenrtl.c (xmalloc): Likewise.
416 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
417 really_call_* memory allocation routines.
419 * stmt.c (check_for_full_enumeration_handling): Use
420 really_call_calloc, not calloc.
422 * system.h (really_call_malloc, really_call_calloc,
423 really_call_realloc): Define.
424 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
426 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
428 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
430 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
432 * configure: Rebuilt.
433 * configure.in: Only use `lang_requires' for languages athat are
436 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
438 * invoke.texi: Fix typo.
441 2001-03-09 Zack Weinberg <zackw@stanford.edu>
443 * configure.in: Prune nonexistent files from build_xm_file,
444 xm_file, and host_xm_file lists. Warn unless they're
446 Don't generate *config.h here.
447 AC_SUBST all variables needed to generate *config.h.
448 * configure: Regenerate.
449 * mkconfig.sh: New helper script, from code removed from
451 * Makefile.in: Zap all MALLOC variables - no longer used
452 anywhere, and malloc.c doesn't exist.
453 Substitute in variables needed to generate *config.h.
454 Stop lying about the dependencies contained in CONFIG_H and
456 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
457 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
458 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
459 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
460 $(TM_P_H), etc. as appropriate.
462 * config.gcc: Zap references to deleted files.
463 * ggc-none.c: Don't include rtl.h or tm_p.h.
465 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
466 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
467 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
468 config/i386/xm-linux.h, config/i386/xm-linux.h,
469 config/i386/xm-next.h, config/i386/xm-openbsd.h,
470 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
471 Don't include i386/xm-i386.h.
473 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
474 config/i386/xm-i386.h, config/i860/xm-i860.h,
475 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
476 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
477 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
478 Delete (empty except comments, #includes of other deleted
479 files, and macros used nowhere).
481 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
483 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
484 independent on TARGET_FLAGS.
486 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
488 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
490 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
492 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
494 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
495 LAST_REX_SSE_REG): define.
496 (enum reg_class): Add 'LEGACY_REGS'
497 (REG_CLASS_CONTENTS): Likewise; add extended registers.
498 (SSE_REGNO_P): Recognize extended registers.
499 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
500 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
501 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
502 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
503 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
504 REG_OK_FOR_STRREG_P): Remove.
505 (HI_REGISTER_NAMES): Add extended registers.
506 (ADDITIONAL_REGISTER_NAMES): Likewise.
507 (QI_REGISTER_NAMES): Add 8bit extended registers.
508 (DEBUG_REG): Support extended registers.
509 * i386.c (regclass_map): Add extended registers.
510 (dbx_register-map): Likewise.
511 (svr4_dbx_register_map): Likewise.
512 (print_reg): Support extended registers.
513 (print_operand): Support 64bit operands.
515 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
517 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
518 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
519 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
520 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
521 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
522 STACK_BOUNDARY): Set properly for 64bits.
523 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
524 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
525 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
526 (MOVE_MAX): Set to 16.
527 (MOVE_MAX_PIECES): 8 for 64bit.
528 (Pmode): Set to SImode.
530 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
532 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
534 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
536 * i386.h (mask_64bit): New constant.
537 (target_64bit): New macro.
538 (target_options): Add '64'/'32'
539 (target_default): Define.
540 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
541 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
542 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
544 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
546 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
548 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
550 * rtlanal.c (rtx_varies_p): Check operand 0 of a
551 LO_SUM unless for_alias is set.
553 2001-03-08 Stan Shebs <shebs@apple.com>
555 * objc/objc-act.c: Fix old typos in comments, add comments for
557 (hash_init): Fix file name in error message.
559 (hash_add_attr): Ditto.
560 (continue_class): Ditto.
562 2001-03-08 Bruce Korb <bkorb@gnu.org>
564 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
565 wait4() can receive the signal.
567 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
569 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
571 * fixinc/fixincl.x: Regenerate.
573 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
575 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
577 * fixinc/fixincl.x: Regenerate.
579 2001-03-08 Richard Henderson <rth@redhat.com>
581 * configure.in (HAVE_AS_LEB128): New assembler check.
582 * configure, config.in: Rebuilt.
584 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
586 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
589 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
591 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
592 references to the MAXPATHLEN macro.
594 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
595 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
598 * config/i386/xm-gnu.h, config/xm-gnu.h,
599 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
600 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
601 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
604 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
605 doing so in various xm-*.h files.
607 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
609 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
611 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
613 * configure.in (enable_shared): Support per-package shared-library
615 * configure: Rebuilt.
617 2001-03-07 David Edelsohn <edelsohn@gnu.org>
619 * rs6000.md (cr logic): Add original POWER mnemonic alternative
620 for crnot. Set operands[5] in splitter.
622 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
624 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
625 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
626 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
627 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
628 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
629 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
630 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
633 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
634 config/i370/xm-i370.h, config/i386/xm-dgux.h,
635 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
636 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
637 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
638 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
639 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
640 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
641 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
642 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
643 Delete unused and/or empty files.
645 * config.gcc: Define USG in xm_defines as appropriate. Define
646 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
647 macro. Remove deleted xm-* files from $xm_files variable.
649 2001-03-07 Tom Tromey <tromey@redhat.com>
651 * configure: Rebuilt.
652 * configure.in: Allow config-lang.in to set `lang_requires' to list
653 of other required languages.
655 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
657 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
659 (output_prologue): Use xmalloc not oballoc.
660 (output_epilog): Free a29k_first_epilogue_insn when finished.
661 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
663 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
665 * builtins.c (expand_builtin_mathfn): Check
666 flag_unsafe_math_optimizations, not flag_fast_math.
667 (expand_builtin): Likewise
668 * combine.c (combine_simplify_rtx): Likewise.
669 (simplify_if_then_else): Likewise.
670 * cse.c (fold_rtx): Likewise.
671 * flags.h: Remove flag_fast_math. Add
672 flag_unsafe_math_optimizations and flag_trapping_math.
673 * fold-const.c (negate_expr): Check
674 flag_unsafe_math_optimizations, not flag_fast_math.
675 (invert_truthvalue): Likewise.
676 (fold): Likewise. Before associating operands, check that
677 code == MULT_EXPR, not code != MULT_EXPR.
678 * ifcvt.c (noce_try_minmax): Check
679 flag_unsafe_math_optimizations, not flag_fast_math.
680 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
681 * invoke.texi: Document -funsafe-math-optimizations and
682 -fno-trapping-math. Change documentation for -ffast-math.
683 * jump.c (reversed_comparison_code_parts): Likewise.
684 (rtx_equal_for_thread_p): Likewise.
685 * optabs.c (emit_conditional_move): Likewise.
686 * simplify-rtx.c (simplify_binary_operation): Likewise.
687 (simplify_relational_operation): Likewise.
688 (simplify_ternary_operation): Likewise.
689 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
690 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
691 Add trapping-math and unsafe-math-optimizations entries to f_options.
692 (set_fast_math_flags): New, sets flags for -ffast-math.
693 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
694 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
695 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
697 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
698 (alpha_emit_conditional_move): Initialize local_fast_math to
699 flag_unsafe_math_optimizations, not flat_fast_math.
700 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
701 instead of setting flag_fast_math to 1.
702 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
704 * config/i386/i386.c (override_options): Likewise
705 * config/i386/i386.md: Likewise.
706 * config/m68k/m68k.md: Likewise.
707 * config/mips/mips.md: Likewise.
708 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
709 (rs6000_generate_compare): Likewise.
711 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
713 * Makefile.in: Set RANLIB to @RANLIB@.
716 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
718 * fixinc/inclhack.def (djgpp_wchar_h): New test.
719 * fixinc/fixincl.x: Regenerated.
721 2001-03-07 Richard Henderson <rth@redhat.com>
723 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
725 2001-03-07 Richard Henderson <rth@redhat.com>
727 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
728 of block notes and exception handling notes.
730 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
731 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
732 (compile_file): ... here.
734 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
736 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
738 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
739 config.h now. Include libiberty.h to handle alloca.
741 2001-03-06 Zack Weinberg <zackw@stanford.edu>
743 * c-parse.in (yylexname): New function, split out of _yylex.
744 (objc_rid_sans_at): New table.
745 (init_reswords): Initialize it.
746 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
747 retrieving the next token and checking it for significance as
748 an ObjC keyword or string constant.
750 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
751 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
753 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
756 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
758 * config/m68k/m68k.c (const_uint32_operand): Accept any
759 const_int on a 32-bit host.
761 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
763 * objc/objc-act.c (init_objc): Set save_lang_status,
764 restore_lang_status, and mark_lang_status.
766 2001-03-06 Krister Walfridsson <cato@df.lth.se>
768 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
770 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
772 * cppinternals.texi: Update.
774 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
776 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
777 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
778 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
779 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
780 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
781 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
782 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
783 config/i386/xm-i386.h, config/i860/xm-i860.h,
784 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
785 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
786 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
787 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
788 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
789 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
790 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
791 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
792 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
793 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
794 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
795 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
796 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
797 match the defaults provided in hwint.h.
799 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
800 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
802 * config.gcc (xm_file): Don't set to files which are deleted.
804 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
805 guard this file against these macros being undefined.
807 2001-03-06 Zack Weinberg <zackw@stanford.edu>
809 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
810 and DECL_DEFER_OUTPUT on the decl we create, before calling
811 rest_of_decl_compilation.
813 2001-03-06 Zack Weinberg <zackw@stanford.edu>
815 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
817 * configure, config.in: Regenerate.
818 * config.gcc: Remove references to deleted files.
820 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
821 genrecog.c, rtl.c: Do not use alloca anywhere.
823 * Makefile.in, build-make, system.h, config/x-interix,
824 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
825 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
826 config/arc/xm-arc.h, config/arm/xm-arm.h,
827 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
828 config/h8300/xm-h8300.h, config/i370/x-oe,
829 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
830 config/i386/x-ncr3000, config/i386/x-sco5,
831 config/i386/xm-dgux.h, config/i860/x-sysv4,
832 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
833 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
834 config/m68k/x-hp320g, config/m69k/x-mot3300,
835 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
836 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
837 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
838 config/m88k/x-sysv4, config/m88k/x-tekXD88,
839 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
840 config/mips/x-iris, config/mips/x-iris3,
841 config/mips/x-sni-svr4, config/mips/x-sysv,
842 config/mips/xm-iris6.h, config/mips/xm-mips.h,
843 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
844 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
845 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
846 config/pa/xm-papro.h, config/romp/xm-romp.h,
847 config/rs6000/x-aix31, config/rs6000/x-aix41,
848 config/rs6000/x-beos, config/rs6000/x-lynx,
849 config/rs6000/x-mach, config/rs6000/x-rs6000,
850 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
851 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
852 config/sparc/x-sysv4, config/sparc/xm-linux.h,
853 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
854 config/vax/xm-vms.h: Eradicate all references to alloca and
857 * config/xm-alloca.h, config/clipper/x-clix,
858 config/i386/xm-sysv4.h, config/i860/x-fx2800,
859 config/i860/x-sysv3, config/m88k/x-sysv3,
860 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
861 (contained only alloca related hacks).
863 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
866 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
868 * invoke.texi: Document __FAST_MATH__.
870 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
872 * crtstuff.c: Restore include of auto-host.h.
874 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
876 Put main() in a separate file, so that the language
877 front-end can use a different main().
880 * toplev.c: (main): Rename as toplev_main.
881 * toplev.h: Declare toplev_main.
882 * Makefile.in (OBJS): add toplev.o.
883 (BACKEND): remove toplev.o, add main.o.
885 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
887 * cppfiles.c (search_from): Special case the empty string.
889 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
891 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
892 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
893 strlen or strcpy; we already know the length.
894 (_cpp_compare_file_date): Similarly.
895 * cpphash.h (struct cpp_reader): Delete done_initialising.
896 (CPP_PREV_BUFFER): Delete.
897 * cppinit.c (cpp_start_read): Don't set done_initialising.
898 * cpplex.c (parse_string): Guarantee null-termination.
899 (_cpp_equiv_toklists): Remove.
900 * cpplib.c (glue_header_name): Null-terminate.
901 (do_line): Don't leak memory.
902 * cpplib.h (BT_WEAK): Delete.
903 * cppmain.c (cb_ident): Strings are now null-terminated.
905 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
907 * gcc.c (convert_filename): Append executable suffix
908 if NO_AUTO_EXE_SUFFIX is not defined.
909 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
910 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
912 2001-03-03 David O'Brien <obrien@FreeBSD.org>
914 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
915 * c-parse.gperf, c-gperf.h: Delete.
916 (c-gperf.h was accidently re-added to the CVS repo in the rev
917 1.16 commit by tromey)
919 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
921 * cpplex.c (_cpp_lex_token): Don't warn about directives in
922 macro arguments when looking for the '('.
923 * cppmacro.c (funlike_invocation_p): Set parsing_args to
924 2 when really parsing arguments; 1 when looking for '('.
925 Always restore the lexer position.
927 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
929 * longlong.h (umul_ppmm): Don't use a multiline string.
931 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
933 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
934 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
935 t_bool in declaration because pcc can't combine volatile with typedef
938 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
940 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
941 until when it is really needed.
942 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
943 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
944 * i386.md (float?i?f splitter): Don't force source operand to memory
946 (sse_movdfcc): Fix constraint.
947 (sse_movdfcc splitter): Handle properly the second alternative.
949 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
951 * cpplex.c (parse_string): Unconditionally pedwarn.
953 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
956 * cppexp.c (parse_number): Update.
957 * cpplex.c (parse_string): Pedwarn if multiline string does not
958 result from a system header's macro.
959 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
960 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
961 for function-like macros too.
962 * c-lex.c (lex_number): Update.
964 2001-03-03 Richard Henderson <rth@redhat.com>
966 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
968 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
970 * combine.c (try_combine): If split with mode-changed scratch
971 register didn't work, try the original mode.
973 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
975 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
976 * config/c4x/c4x.h: Likewise.
977 * stor-layout.c (compute_record_mode): Likewise.
978 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
980 2001-03-02 Zack Weinberg <zackw@stanford.edu>
982 * configure.in: Kill tm.h. Include the files in the $tm_file
983 list in all three of config.h, hconfig.h, tconfig.h, after the
984 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
985 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
986 * configure: Regenerate.
987 * Makefile.in (clean): Don't delete tm.h.
989 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
990 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
991 those are not defined, set SEC and FEC to 0 and 1.
992 * gcc.texi: Update to match.
994 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
995 * config/fp-bit.c, config/m68k/aux-crt2.asm,
996 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
997 Include tconfig.h, not tm.h.
999 * config/xm-lynx.h, config/xm-std32.h,
1000 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1001 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1002 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1003 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1004 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1005 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1006 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1007 config/i386/xm-i386.h, config/i860/xm-i860.h,
1008 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1009 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1010 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1011 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1012 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1013 config/pa/xm-linux.h, config/pa/xm-pa.h,
1014 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1015 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1016 config/pj/xm-pj.h, config/romp/xm-romp.h,
1017 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1018 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1019 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1020 config/v850/xm-v850.h, config/vax/xm-vax.h,
1021 config/we32k/xm-we32k.h:
1023 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1025 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1026 config/i370/xm-oe.h: Don't include tm.h. Don't define
1028 * config/vax/xm-vms.h: Don't include tm.h.
1030 * config/xm-lynx.h, config/avr/xm-avr.h,
1031 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1032 Delete; made empty by above changes.
1033 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1034 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1035 Don't include config/xm-lynx.h or tm.h.
1037 * config/xm-gnu.h: Don't include fcntl.h.
1038 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1040 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1042 2001-03-02 Richard Henderson <rth@redhat.com>
1044 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1045 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1047 2001-03-02 Richard Henderson <rth@redhat.com>
1049 * Makefile.in (OBJS): Add dwarf2asm.o.
1050 * dwarf2asm.c, dwarf2asm.h: New files.
1051 * dwarf2out.c (*): Use them.
1052 (size_of_uleb128, size_of_sleb128): Remove.
1053 (output_uleb128, output_sleb128): Remove.
1054 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1055 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1056 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1057 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1058 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1059 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1060 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1061 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1062 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1063 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1064 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1065 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1066 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1067 (dwarf2out_frame_debug): Remove unused variables.
1068 (output_loc_operands): Don't abort on 8 byte constants if
1069 host integers are wide enough.
1070 (output_symbolic_ref): Remove.
1071 (size_of_die): Don't assume 4 byte host integers.
1072 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1074 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1075 something stupid with HOST_WIDE_INT to long truncation.
1076 [CONST_DOUBLE]: Likewise.
1078 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1079 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1080 * config/arm/unknown-elf.h: Likewise.
1081 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1082 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1083 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1084 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1085 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1086 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1087 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1088 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1089 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1090 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1091 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1092 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1094 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1096 * cselib.c (hash_rtx): Cast enums to unsigned int.
1098 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1100 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1101 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1103 * c-format.c (C_STD_VER): Cast to int for comparisons.
1104 (check_function_format): Cast various enums to int for &.
1105 (maybe_read_dollar_number): Likewise.
1106 (check_format_info): Likewise.
1107 (check_format_info_main): Likewise.
1108 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1109 (safe_from_p): Likewise.
1110 * varasm.c (const_hash): Cast enum to int for %.
1111 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1112 pcc enum problems with < and ++ operators.
1113 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1114 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1115 (regclass_init): Change enum class to int to iterate over reg_classes.
1116 * genrecog.c (merge_trees): Cast enums for comparison.
1117 * rtl.h (GET_CODE): Cast to enum rtx_code.
1118 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1119 (GET_MODE): Cast to enum machine_mode.
1120 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1121 (GET_NOTE_INSN_NAME): Cast enum to int.
1122 * tree.h (TREE_CODE): Cast to enum tree_code.
1123 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1124 * timevar.c (timevar_print): Change loop variable id from enum to
1126 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1127 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1128 * toplev.c (compile_file): Cast enum DFI to int.
1129 (decode_d_option): Likewise.
1131 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1133 * cppinit.c (append_include_chain): Mark "after" include file name list
1134 as a system directory.
1135 * cpp.texi: Document new behavior.
1137 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1139 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1141 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1143 * cppfiles.c (struct include_file): Update.
1144 (stack_include_file): Use search_from.
1145 (cpp_included, find_include_file): Update.
1146 (cpp_execute_include): Update. ptr->name may not be
1147 null terminated. Use the new search_from member variable
1149 (_cpp_compare_file_date): Similarly.
1150 (search_from): New function, similiar to actual_directory.
1151 (actual_directory): Delete.
1152 (remap_filename): Update. loc->name may not be null terminated.
1153 (struct file_name_list): Rename search_path. Update.
1154 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1155 search_from and dir.
1156 (struct cpp_reader): Remove actual_dirs.
1157 * cppinit.c (struct cpp_pending): Update for renamed objects.
1158 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1159 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1160 * cpplib.h (struct cpp_options): Similarly.
1162 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1164 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1165 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1166 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1167 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1168 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1169 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1170 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1171 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1172 config/i370/xm-oe.h, config/i386/xm-aix.h,
1173 config/i386/xm-i386.h, config/i386/xm-osf.h,
1174 config/i860/xm-i860.h, config/i960/xm-i960.h,
1175 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1176 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1177 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1178 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1179 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1180 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1181 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1182 config/pj/xm-pj.h, config/romp/xm-romp.h,
1183 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1184 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1185 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1186 config/v850/xm-v850.h, config/vax/xm-vax.h,
1187 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1188 Do not define TRUE or FALSE.
1190 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1191 empty by above change.
1192 * config.gcc: Remove references to these files.
1194 * configure.in: Detect stdbool.h.
1195 * configure, config.in: Regenerate.
1196 * system.h: Include stddef.h here if available.
1197 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1198 Then set up a sensible boolean type at the very end.
1200 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1201 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1203 * hash.h: Delete 'boolean' typedef and related #undefs.
1205 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1206 all uses of 'boolean' with 'bool'.
1208 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1210 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1211 * cppexp.c (lex): Cast enums for comparison.
1212 * cppinit.c (parse_option): Cast enum for comparison.
1213 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1214 (cpp_output_token): Likewise.
1215 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1216 (cpp_avoid_paste): Cast enums for minus and comparison.
1218 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1220 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1221 field to all array elements.
1223 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1225 * cpphash.h (struct cpp_reader): Add print_version field.
1226 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1227 just set print_version and other flags as appropriate.
1228 (cpp_post_options): Print version here if print_version is set.
1230 * toplev.c (exit_after_options): New flag.
1231 (independent_decode_option): Don't exit here; just set
1233 (main): Exit after calling lang_hooks.post_options if
1234 exit_after_options is true.
1236 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1237 (merge_include_chains): Adjust comment to match code.
1239 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1241 * stringpool.c (set_identifier): New function.
1242 * tree.h: Prototype it.
1244 * c-parse.in: Kill D_YES. If compiled for objc, call
1245 save_and_forget_protocol_qualifiers from init_reswords.
1246 * objc/objc-act.c (remember_protocol_qualifiers,
1247 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1248 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1250 (save_and_forget_protocol_qualifiers): New function.
1251 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1253 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1255 * c-semantics.c (prune_unused_decls): Return error_mark_node
1256 instead of (tree) 1 to stop traversing the tree chain.
1258 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1260 Fix a problem introduced by Kenner's Feb 18 change.
1261 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1262 flag_cse_skip_blocks only temporarily, not for ever.
1264 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1266 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1267 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1269 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1270 before determining its register class.
1272 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1274 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1275 from reg 4 if current_function_calls_setjmp.
1276 (gen_nop_type): New function.
1277 (ia64_emit_nops): New function.
1278 (ia64_reorg): Call it.
1279 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1281 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1282 code not to try to optimize adds with anything but a REG destination.
1284 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1285 (INSN_PRIORITY_KNOWN): New accessor macro.
1286 * haifa-sched.c (priority): Use it instead of testing priority against
1289 2001-02-28 DJ Delorie <dj@redhat.com>
1291 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1292 since that doesn't work the way gcc wants on a generic m68k.
1294 2001-02-28 Richard Henderson <rth@redhat.com>
1296 * caller-save.c (save_call_clobbered_regs): Fix typo in
1297 comparison last change.
1299 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1301 * i386.c (pentium4_cost): New.
1302 (m_PENT4): New macro.
1303 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1304 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1305 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1306 x86_memory_mismatch_stall): Add Pentium4
1307 (x86_use_q_reg, x86_use_any_reg): Kill.
1308 (override_options): Add pentium4.
1309 (incdec_operand): Return 0 for pentium4.
1310 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1311 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1312 (TARGET_PENTIUM4): Define.
1313 (enum processor_type): Add PROCESSOR_PENTIUM4.
1314 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1315 * i386.md (attribute "cpu"): Add pentium4.
1316 * invoke.texi (march): Add pentium4.
1318 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1320 * i386.md (sse_mov?fcc*): New patterns and splitters.
1321 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1322 the SSE based conditional moves.
1324 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1326 * i386.md (attribute mode): Add "TI".
1327 (movsf_1): Add pxor support; remove constant propagation splitter.
1328 (movdf_integer): Likewise.
1329 (movdf_nointeger): Likewise.
1330 (movxf constant prop splitter): Handle all modes; update for SSE.
1331 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1332 * i386.c (standard_80387_constant_p): Rewrite.
1333 (standard_sse_constant_p): New.
1334 * i386-protos.h (standard_sse_constant_p): New.
1336 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1338 * i386.md (sse_setccsf, sse_setccdf): New.
1339 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1341 * i386.c (sse_comparison_operator): Accept the supported unordered
1342 comparses; be ready for fast_math.
1343 (print_operand): Support 'D'.
1345 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1347 * jump.c (reversed_comparison_code): Kill.
1349 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1351 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1354 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1356 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1357 add missing '%' in constraints.
1359 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1361 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1362 for HOST_BITS_PER_WIDE_INT == 32 too.
1364 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1366 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1368 (insert_save, insert_restore): New parameter save_mode.
1369 (init_caller_save): Update initialization of reg_save_code
1370 and reg_restore_code.
1371 (save_call_clobbered_regs): Compute save_modes and update calls to
1372 reg_save_code and reg_restore_code.
1373 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1374 of spill; update use of reg_restore_code.
1375 (insert_save): Likewise.
1376 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1377 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1378 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1380 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1382 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1383 noce_try_store_flag_inc, noce_try_store_flag_mask,
1384 noce_try_cmove_arith):
1385 Use reversed_comparison_code instead of reverse_comparison and
1386 can_reverse_comparison_p.
1388 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1390 * jump.c (reversed_comparison_code_parts): Allow reversal of
1391 unordered compares in -ffast-math mode; reverse ordered compares
1392 for FP even w/o -ffast-math.
1394 2001-02-27 Richard Henderson <rth@redhat.com>
1396 * print-rtl.c (print_rtx) [i]: Don't print field five on
1397 NOTEs other than NOTE_INSN_DELETED_LABEL.
1399 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1401 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1402 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1404 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1406 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1407 even if walk_subtrees is 0.
1408 * c-semantics.c (prune_unused_decls): Return a non-null value to
1409 stop traversing the tree chain.
1411 2001-02-27 DJ Delorie <dj@redhat.com>
1413 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1414 register, *then* define it as the new CFA.
1416 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1418 * pa.c (override_options): Promote -fpic to -fPIC.
1419 (legitimize_pic_address): Simplify due to removal of
1420 small PIC as a code generation option.
1421 (secondary_reload_class): Similarly.
1422 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1423 (PRINT_OPERAND_ADDRESS): Similarly.
1424 * pa.md (various patterns): Similarly.
1425 (small pic lo_sum pattern): Remove.
1427 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1430 * md.texi (min, max): Document
1432 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1434 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1435 TARGET_PARTIAL_REG_DEPENDENCY.
1436 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1438 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1440 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1442 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1444 * mips.c (mips_make_temp_file): Fix thinko in last change.
1446 2001-02-26 Jason Eckhardt <jle@redhat.com>
1448 * combine.c (known_cond): Do not reverse the condition when
1449 SMAX/UMAX is being considered and the condition is for equality
1452 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1454 2001-02-26 Philip Blundell <philb@gnu.org>
1456 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1458 * config/arm/linux-elf.h: Remove historical relics related to
1459 above configurations.
1460 * config/arm/linux-oldld.h: Delete.
1461 * config/arm/linux-elf26.h: Delete.
1463 2001-02-26 Jason Merrill <jason@redhat.com>
1465 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1467 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1468 recognize a tentative definition. Lose obsolete code.
1470 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1471 variables unless necessary, either.
1473 2001-02-25 Richard Henderson <rth@redhat.com>
1475 * ifcvt.c (struct noce_if_info): Add test_bb.
1476 (noce_get_alt_condition): New.
1477 (noce_try_minmax, noce_try_abs): New.
1478 (noce_operand_ok): New.
1479 (noce_process_if_block): Use them.
1480 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1482 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1484 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1487 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1489 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1490 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1492 (mips_asm_file_end): Free temp_filename here.
1494 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1496 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1497 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1499 * config/i386/i386.md (movstrsi): Handle FAIL case.
1501 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1503 * cppinit.c (builtin_array): Update.
1504 (init_builtins): Flag builtins to warn if redefined or
1505 undefined. Define __GXX_WEAK as a normal macro.
1506 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1507 * cpplib.h (NODE_WARN): New flag.
1508 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1509 Handle __STDC__ as a builtin only on Solaris.
1510 (warn_of_redefinition): Renamed from check_macro_definition.
1511 Reverse sense of test. Always warn if NODE_WARN.
1512 (_cpp_create_definition): Use warn_of_redefinition. Flag
1513 any macro beginning with "__STDC_" to require a mandatory
1514 warning if redefined or undefined.
1516 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1518 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1519 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1520 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1521 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1522 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1523 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1524 Don't define any of:
1525 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1526 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1527 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1528 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1529 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1531 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1532 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1535 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1536 Delete now-empty file.
1538 * alpha/vms.h: Define NEED_ATEXIT here...
1539 * alpha/xm-vms.h: ...not here.
1541 * i386/cygwin.h: Don't define PARAMS.
1542 * mips/mips.c: Don't prototype mktemp. Don't define
1543 P_tmpdir. Use make_temp_file to create temporary files.
1544 Don't be clever and delete temporary files early.
1545 * config.gcc: Drop references to deleted files. Don't define
1547 * gcc.texi: Don't mention USE_PROTOTYPES.
1549 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1551 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1552 (ix86_set_move_mem_attrs_1): Likewise.
1553 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1554 * config/i386/i386.md (movstrsi): Call it.
1556 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1558 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1559 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1560 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1561 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1563 (i750a-*-*): Error here if hosting on i750a.
1564 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1566 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1567 Remove (empty modulo comments).
1569 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1570 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1571 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1572 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1573 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1574 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1576 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1577 Remove reference to winnt.h in comment.
1578 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1580 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1582 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1583 used to set another biv.
1585 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1587 * tree.h (BLOCK_DEAD): New macro.
1588 (struct tree_block): New flag, dead_flag.
1589 * print-tree.c (print_node, case 'b'): Print missing fields.
1590 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1591 * function.c (identify_blocks): Enable test for misplaced notes.
1592 (all_blocks): Skip BLOCK_DEAD blocks.
1593 * integrate.c (integrate_decl_tree): Likewise.
1595 * errors.c (internal_error, trim_filename): New functions.
1596 (fancy_abort): Call internal_error.
1597 * errors.h (internal_error, trim_filename): New declarations.
1599 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1601 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1603 (EXTRA_CONSTRAINT): Formatting changes.
1605 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1607 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1609 2001-02-23 Per Bothner <per@bothner.com>
1611 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1612 so they can be called from java/jvspec.c.
1613 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1615 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1617 * i386.c (ix86_frame): New structure.
1618 (ix86_compute_frame_size): Kill.
1619 (ix86_compute_frame_layout): New.
1620 (ix86_save_reg): New.
1621 (ix86_can_use_return_insn_p): Use frame layout stuff.
1622 (ix86_expand_prologue): Likewise.
1623 (ix86_expand_epilogue): Likewise.
1624 (ix86_initial_elimination_offset): Likewise.
1625 (ix86_nsaved_regs): Use ix86_save_reg.
1626 (ix86_emit_save_regs): Likewise.
1628 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1630 * flow.c (find_sub_basic_blocks): New function.
1631 (split_block): Be ready for basic block introduced by CODE_LABEL.
1632 (commit_one_edge_insertion): Call find_sub_basic_block.
1634 * flow.c (make_edges): Add edge from entry for blocks starting with
1635 label having ALTERNATE_NAME
1637 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1639 * function.c (epilogue_done): Be ready for first basic block not
1640 containing PROLOGUE_END note.
1641 (reposition_prologue_and_epilogue_notes): Avoid placing
1642 PROLOGUE_END note between BASIC_BLOCK.
1644 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1646 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1648 2001-02-21 DJ Delorie <dj@redhat.com>
1650 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1651 check for current_function_has_nonlocal_goto from 1999-11-12.
1653 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1655 * diagnostic.c (trim_filename): No longer static.
1656 * toplev.h (trim_filename): Declare.
1657 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1658 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1659 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1660 (rtvec_check_failed_bounds): Likewise.
1661 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1663 * convert.c (convert_to_integer): Don't do unsigned unless result or
1664 both inputs are unsigned.
1666 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1669 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1671 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1673 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1675 * Makefile.in (resource.o): Add params.h dependence.
1676 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1677 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1678 * resource.c: Add dependence on params.h.
1679 (current_live_regs): Fix explanatory comment.
1680 (find_basic_block): Add new parameter to permit limiting search
1682 (mark_target_live_regs): Add new argument to find_basic_block call.
1683 (incr_ticks_for_insn): Likewise.
1685 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1687 * diagnostic.c (output_to_stream): Rename to
1688 output_buffer_to_stream. Loses the stream parameter.
1689 (init_output_buffer): Set diagnosic_buffer's stream.
1690 (flush_diagnostic_buffer): Adjust.
1691 (default_print_error_function): Likewise.
1692 (finish_diagnostic): Likewise.
1693 (verbatim): Likewise.
1695 * diagnostic.h (struct output_buffer): Add `stream' field.
1696 (output_buffer_attached_stream): New macro.
1698 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1700 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1701 check if either operand is divisible by C.
1702 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1703 If type is signed, consider negative numbers as well.
1705 2001-02-22 Richard Henderson <rth@redhat.com>
1707 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1708 reach .text instead of gp-relative relocs.
1709 * config/ia64/crtend.asm (.init): Likewise.
1711 2001-02-22 Andreas Jaeger <aj@suse.de>
1713 * extend.texi (C++ Attributes): Fix typo.
1715 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1717 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1718 functions, drop current_function_args_info.words test.
1719 (ia64_compute_frame_size): Mark syscall_linkage functions as
1720 using eight input registers.
1722 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1723 Bruce Korb <bkorb@gnu.org>
1725 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1726 * fixinc/README: Document how to convert sed substitutions
1727 to format style c_fix-es.
1728 * fixinc/fixincl.x: regen
1730 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1732 * gcc.c: Add comment explaining how to add a command-line option.
1733 Add title to specs language comment.
1735 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1737 * gcc.c (cc1_options): Add "-param".
1738 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1739 (option_map): Likewise.
1740 * toplev.c (display_help): Add entry for "--param".
1741 (independent_decode_option): Fix typographical error.
1743 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1744 Bernd Schmidt <bernds@redhat.com>
1745 Jan Hubicka <jh@suse.cz>
1747 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1748 (function_arg): Likewise.
1750 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1752 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1754 2001-02-21 Kazu Hirata <kazu@hxi.com>
1756 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1760 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1762 * flow.c (init_propagate_block_info): Canon address and use single_set
1763 for killing dead memory stores.
1765 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1767 * Makefile.in (reorg.o): Add params.h dependence.
1768 * params.def: Fix typographical error in comment.
1769 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1770 * params.h: Modify introductory comment.
1771 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1772 * reorg.c: Add dependence on params.h.
1773 (redundant_insn): Add parameterized throttle for search.
1774 (fill_simple_delay_slots): Add a comment explaining a variable.
1775 Move conditional out of loop, simplifying code.
1776 (fill_eager_delay_slots): Fix typographical error in comment.
1778 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1780 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1782 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1783 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1785 2001-02-21 Jason Merrill <jason@redhat.com>
1787 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1788 (struct tree_decl): Add uninlinable bitfield.
1789 * c-decl.c (duplicate_decls): Set it.
1790 * integrate.c (function_cannot_inline_p): Check it.
1792 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1793 DW_AT_MIPS_linkage_name to abstract methods.
1794 (dwarf2out_abstract_function): Emit class context before calling
1795 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1796 (gen_subprogram_die): Remove obsolete code.
1797 (gen_member_die): Don't include clones in the member list.
1798 (gen_decl_die): Emit abstract info for clone origin.
1799 * dwarfout.c (output_type): Don't include clones in the member list.
1800 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1801 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1802 DECL_ABSTRACT on a function that already has it set.
1804 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1805 (get_subprogram_die): Pass it in.
1807 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1809 * flow.c (mark_set_1): Make not_dead unsigned long. For
1810 non-pseudos, use it as a bitmask of the hard regs that
1813 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1815 * cppfiles.c: Update comments.
1816 (_cpp_read_file): Don't check for NULL filenames any more.
1817 * cppinit.c (cpp_start_read): Don't do canonicalization of
1818 in_fname and out_fname. Use the passed file name exclusively.
1819 (_cpp_handle_options): Don't treat "-" as a command line option,
1820 but as a normal filename.
1821 (_cpp_post_options): Canonicalize in_fname and out_fname.
1822 * cppmain.c (printer_init): Don't check out_fname for NULL.
1823 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1824 (init_c_lex): Update, and use "" to represent stdin to CPP.
1827 2001-02-20 Will Cohen <wcohen@redhat.com>
1829 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1830 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1831 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1834 2001-02-20 Stan Shebs <shebs@apple.com>
1836 * config/rs6000/rs6000.c (output_cbranch): Output branches
1837 on separate lines instead of using ';' to separate.
1839 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1841 * cppinit.c (set_lang): Move builtin handling to...
1842 (init_builtins): ...here.
1843 (_cpp_create_reader): Move call to set_lang.
1845 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1847 * stmt.c (expand_return): If an attempt is made to return the
1848 error_mar_node, treat the return like a return without a value.
1850 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1852 * sibcall.c (skip_copy_to_return_value): Call
1853 identify_call_return_value here, and return orig_insn if it
1854 returns zero. Hardret and softret arguments now unnecessary.
1855 (call_ends_block_p): Don't call identify_call_return_value here.
1857 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1859 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1860 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1862 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1864 * pa.c (move_operand): Accept code to load the address of a
1865 symbol out of the DLT as a valid move operand.
1866 (print_operand, case 'A'): New to handle generating a DLT
1867 reference for a LO_SUM expression.
1868 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1869 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1871 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1873 * README, cpp.texi, gcc.texi, version.c: Update version number to
1875 * cpp.1, gcov.1, gcc.1: Regenerate.
1877 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1879 * cppfiles.c (stack_include_file): Generate dependencies
1880 here, and manage include_count here too.
1881 (PRINT_THIS_DEP): Delete.
1882 (_cpp_execute_include): Do not generate dependencies here,
1883 apart from the case of a missing header. Do not manage
1885 (_cpp_read_file): Leave dependency generation to
1888 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1890 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1891 target_cpu_default. Remove dead assignment to
1894 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1896 * regclass.c (contains_reg_of_mode): Make global.
1897 (init_reg_sets): Remove contains_reg_of_mode; take into account
1898 CLASS_MAX_NREGS when looking for the proper mode.
1899 (dump_regclass): Dump only classes considered for the pseudo.
1900 (regclass): Use contains_reg_of_mode.
1902 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1904 * gcc.c (do_spec_1): 'n' for printing notices.
1905 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1907 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1909 * reg-stack.c (next_flags_user): Use current_block->end
1910 (swap_rtx_condition): Look for next user if flags don't die;
1911 give up on CALL_INSNs; use current_block->end.
1913 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1915 * sibcall.c (call_ends_block_p): New function.
1916 (optimize_sibling_and_tail_recursive_call): Use it.
1918 2001-02-18 Kazu Hirata <kazu@hxi.com>
1920 * config/h8300/h8300.md: Update copyright.
1921 (andsi3): Do not output an extra newline character.
1923 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1925 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1926 FNDECL may be unused.
1928 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1929 follow jumps after first run.
1930 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1931 it doesn't change any jumps.
1933 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1935 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1936 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1937 (mostlyclean): Corresponding changes.
1938 * rtlanal.c (hard-reg-set.h): Include.
1939 (rtx_unstable_p): Do not treat the argument pointer specially
1940 if it is not a fixed register.
1941 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1943 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1945 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1946 against last real insn in basic block.
1947 Rework to avoid gotos.
1949 * Makefile.in (gcse.o): Now includes ggc.h.
1950 * gcse.c: Include ggc.h.
1951 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1952 (try_replace_reg): Remove warning of uninitialize variable.
1953 (process_insert_insn): Call invalid_insn_p to validate insn.
1954 * recog.c (insn_invalid_p): Now global.
1955 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1956 * recog.h (insn_invalid_p): New declaration.
1958 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1960 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1961 assignments from FP constants since 'Y' output code can't handle it.
1962 (eligible_for_sibcall_delay): Likewise.
1964 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1965 Call fancy_abort directly, passing args.
1966 (print_rtl_and_abort): Now a macro, like fancy_abort.
1968 * final.c (output_operand_lossage): Use internal_error, not error.
1970 2001-02-18 Shane Nay <shane@agendacomputing.com>
1972 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1973 structure shift insns.
1975 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1977 * invoke.texi (-fsquangle): Remove documentation.
1978 (-fname-mangling-version): Likewise.
1980 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1982 * optabs.c (expand_abs): Remove reference to
1983 HAVE_contitional_arithmetic.
1984 * combine.c (simplify_set): Likewise.
1986 2001-02-18 Richard Henderson <rth@redhat.com>
1988 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1991 2001-02-18 Richard Henderson <rth@redhat.com>
1993 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1995 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1997 * reload1.c (reload_cse_simplify_set): Fix typo.
1999 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2001 * diagnostic.c (_fatal_insn): Decrement errorcount.
2003 * invoke.texi (-I): Add note avoiding use for system header files.
2005 * rtl.h (add_clobbers): Remove duplicate declaration.
2006 * recog.h (added_clobbers_hard_reg_p): New declaration.
2007 * genemit.c (struct clobber_pat): New field has_hard_reg.
2008 (gen_insn): Record if added clobbers clobber hard reg.
2009 (gen_split): Avoid unused warning if number of operands is 0.
2010 (output_added_clobbers_hard_reg_p): New function.
2013 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2015 * pa.c (hppa_expand_prologue): Simplify code storing return
2016 pointer. For large (>=8k) frames with a post_store, adjust stack
2017 pointer by 8k-64 first rather than by 64. When testing with
2018 VAL_14_BITS_P, always use the actual value rather than the value
2019 negated. Add blockage to prevent scheduling of spills before
2020 stack frame has been created.
2021 (hppa_expand_epilogue): Simplify code loading return pointer.
2022 Allow a slightly larger range for merge_sp_adjust_with_load case.
2023 When testing with VAL_14_BITS_P, always use the actual value.
2025 * pa.c (pa_adjust_insn_length): Check that block move
2026 pattern is a set before looking at operands.
2028 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2030 * fold-const.c (fold_binary_op_with_conditional_arg): New
2031 function, split out from ...
2033 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2034 conditional arms that throw exceptions.
2036 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2039 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2041 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2042 define HAVE_DECL_* to 1 to mask potential backup declarations.
2043 * configure: Regenerated.
2045 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2047 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2049 2001-02-17 Richard Henderson <rth@redhat.com>
2051 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2052 when replacing a memory load with a register.
2054 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2055 Jan Hubicka <jh@suse.cz>
2057 * recog.c (validate_replace_src_1): New.
2058 (validate_replace_src_data): Likewise.
2059 (validate_replace_src): Use note_uses.
2060 * rtl.h (note_uses): Declare.
2061 * rtlanal.c (note_uses): New.
2063 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2065 * reg-stack.c (stack_def): Make field reg unsigned.
2066 (remove_regno_note): Unsignetize parameter.
2068 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2070 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2071 shladd_operand() call.
2073 2001-02-16 Bruce Korb <bkorb@gnu.org>
2074 Rodney Brown <RodneyBrown@mynd.com>
2076 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2077 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2078 machine restrictions
2079 * fixinc/fixincl.x: regen
2081 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2083 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2085 (hash_scan_insn): Clean up calls to hash_scan_set.
2086 (compute_kill_rd): REGNO now unsigned.
2087 (try_replace_reg): Rework to use simplify_replace_rtx.
2088 (cprop_jump, cprop_cc0_jump): Likewise.
2089 (cprop_insn): Call find_reg_equal_equiv_note.
2090 Reflect changes to cprop_jump and cprop_cc0_jump.
2092 * recog.c (validate_replace_src): Replace in operands of
2093 ZERO_EXTRACT in SET_DEST.
2095 * cse.c (new_label_ref): New variable.
2096 (insert): Set it instead of recorded_label_ref.
2097 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2098 CODE_LABEL for this function, and not already in REG_LABEL note.
2100 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2102 * resource.c (mark_referenced_resources): Fix typo in introductory
2104 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2107 2001-02-16 Jason Merrill <jason@redhat.com>
2109 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2111 (gen_subprogram_die): Don't abort on seeing a second definition if
2112 the previous one was abstract. Don't replace an abstract instance
2113 in the lookup table.
2115 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2116 gen_abstract_function.
2117 * dwarf2out.h: Declare it.
2118 * toplev.c (note_outlining_of_inline_function): New fn.
2119 * toplev.h: Declare it.
2120 * integrate.c (output_inline_function): Call it.
2121 * c-decl.c (duplicate_decls): Call it when redefining an extern
2122 inline. Don't inline the new defn.
2124 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2126 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2128 * .gdbinit: Rename to gdbinit.in.
2129 * gdbinit.in: New file,
2130 * configure.in: Generate .gdbinit from gdbinit.in.
2131 * configure: Regenerated.
2132 * Makefile.in (distclean): Always remove .gdbinit.
2134 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2136 * objc/objc-act.c (start_class): Register implemented_classes with
2139 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2141 * cppfiles.c (_cpp_make_system_header): Generate a file
2144 2001-02-15 Jim Meyering <meyering@lucent.com>
2146 * Makefile.in (install-common): Don't depend on installdirs here.
2147 Instead, make each of the lang.install-common targets (e.g.,
2148 c++.install-common in cp/Make-lang.in) depend on it.
2149 (install-driver): Depend on installdirs.
2151 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2153 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2155 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2158 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2160 * invoke.texi (--param): Document.
2162 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2164 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2166 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2168 * i386.md (extendsfdf2_2): Fix constraints.
2170 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2172 * i386.md (fop_df_3 splitter): Fix operand number.
2174 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2176 * invoke.texi (-mreg-alloc): Nuke.
2177 * i386.c (ix86_reg_alloc_order, regs_allocated,
2178 order_regs_for_local_alloc): Nuke.
2179 (override_options): Kill reg_alloc code.
2180 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2181 (REG_ALLOC_ORDER): SSE goes before I387.
2182 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2183 (ix86_reg_alloc_order): Likewise.
2184 * i386-protos.h (ix86_reg_alloc_order): Kill.
2186 2001-02-14 Richard Henderson <rth@redhat.com>
2188 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2190 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2192 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2194 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2196 * i386-protos.h (ix86_memory_move_cost): Move offline.
2197 * i386.c (ix86_register_move_cost): Compute properly cost of
2198 SSE, MMX and i387 instructions.
2199 (*_cost): Add costs of SSE/MMX moves.
2200 (ix86_memory_move_cost): Move offline from ....; Likewise.
2201 * i386.h (MEMORY_MOVE_COST): .... here;
2202 (struct processor costs): Add new fields to represent costs
2205 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2207 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2208 move_cost together with Matt Kraai's fix.
2210 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2212 * Makefile.in (OBJS): Add params.o.
2214 2001-02-14 Richard Henderson <rth@redhat.com>
2215 DJ Delorie <dj@redhat.com>
2217 * jump.c (jump_optimize_1): When we delete a conditional jump
2218 preceeding a non-conditional jump to effectively the same place,
2219 make sure that the combined jump skips any clobber insns between
2222 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2224 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2226 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2228 * Makefile.in (toplev.o): Depend on params.h.
2229 (intergate.o): Likewise.
2230 (params.o): New target.
2231 * flags.h (inline_max_insns): Remove.
2232 * integrate.c: Include params.h.
2233 Use MAX_INLINE_INSNS instead of inline_max_insns.
2234 * params.c: New file.
2235 * params.h: Likewise.
2236 * params.def: Likewise.
2237 * toplev.c: Include params.h.
2238 (lang_independent_params): New variable.
2239 (decode_f_option): Use the param machinery instead of setting
2241 (independent_decode_option): Handle "--param name=value".
2242 (main): Register language-independent parameters.
2244 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2246 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2248 2001-02-14 Richard Henderson <rth@redhat.com>
2250 * regclass.c (init_reg_sets_1): Revert last two changes.
2252 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2254 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2255 (variable_size): Call put_pending_size.
2256 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2257 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2258 sizes list, put newly created SAVE_EXPR there as well.
2260 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2262 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2263 (errata_find_address_regs): load_group has only 2 entries.
2264 (errata_emit_nops): Likewise. shladd is not problematic.
2265 Clear last_group if nop was emitted.
2266 (fixup_errata): load_group has only 2 entries.
2269 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2271 * c-lex.c (lex_number): Only warn traditionally for U suffix
2272 outside system macros.
2273 * cppexp.c (parse_number): Similarly.
2274 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2275 * cppmacro.c (struct cpp_macro): New member node.
2276 (parse_args): Only warn about missing rest args if not
2278 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2279 (cpp_sys_objmacro_p): New.
2280 (_cpp_create_definition): Store the node with the macro defn.
2281 Remember if the macro is defined in a system header.
2283 2001-02-13 DJ Delorie <dj@redhat.com>
2285 * configure.in (check_languages): determine languages to check
2286 * Makefile.in (check-c++): alias for check-g++
2287 (check-f77): alias for check-g77
2288 (CHECK_TARGETS): depend on configured languages
2290 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2292 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2293 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2294 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2295 (sqrtextendsfdf2): Disable for SSE2.
2297 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2299 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2300 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2301 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2302 (sqrtextendsfdf2): Disable for SSE2.
2304 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2306 * i386.md (movsfcc_1): Support integer cmove instruction.
2307 (movdfcc_1): Likewise; new splitter.
2309 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2311 * i386.c (output_fp_compare): Support SSE.
2312 (prepare_fp_compare_args): SSE comparisons always support memory.
2313 * i386.h (TARGET_CMOVE): SSE imply cmove.
2314 * i386.md (cmp?f2): Enable for SSE too.
2315 (cmpfp_i*): Support SSE.
2317 (cmpfp_i_sse_only): New.
2318 (s*, b* fp expanters): Enable for SSE too.
2319 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2322 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2324 * regclass.c (init_reg_sets_1): Silence warning.
2326 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2328 * i386.md (sqrt?f2): Change to expander.
2329 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2331 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2333 * rtlanal.c (find_reg_equal_equiv_note): New function.
2334 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2335 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2336 * rtl.h: Add declarations for above functions.
2338 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2340 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2342 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2343 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2344 * flow.c (mark_regs_live_at_end): Likewise.
2345 (calculate_global_regs_live): Likewise.
2346 * gcse.c (compute_hash_table): Likewise.
2347 (compute_kill_rd): Likewise.
2348 * resource.c (mark_target_live_regs): Likewise.
2349 * rtl.h (INVALID_REGNUM): New macro.
2351 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2353 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2355 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2357 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2360 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2362 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2364 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2365 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2366 (fop_sf_1_sse, fop_df_1_sse): New patterns
2367 (fop_*): Disable float_extend and float patterns for SSE compilation.
2368 * i386.c (output_387_binary_op): Support SSE.
2370 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2372 * i386.md (dummy_extendsfdf2): Support SSE2
2373 (extendsfdf2): Enable if 80387 or SSE2.
2374 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2375 and no MIX_I387_SSE2
2376 (extendsfdf2_1_sse_only): New pattern.
2377 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2379 (truncdfsf2_1): Support SSE.
2380 (truncdfsf2_2): Support SSE.
2381 (truncdfsf2_2_1_sse): New pattern.
2382 (fixtruncsfsi2): Always use SSE if available.
2383 (fix_truncsfsi_sse): New pattern.
2384 (fix_truncdfsi_sse): New pattern.
2385 (floatsis?f2): Support SSE.
2386 (floatsidf2_i387): New pattern.
2387 (floatsidf2_sse): Likewise.
2389 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2391 * configure.in: Use "have_gnat" variable, not "gnat".
2392 * configure: Regenerated.
2394 * config/sparc/sparc.c (function_value): Treat all non-record
2395 aggregate types like used to treat UNION_TYPE.
2397 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2399 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2400 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2402 (MASK_MIX_SSE_I387): New.
2403 (TARGET_SSE): SSE2 imply SSE.
2404 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2405 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2406 (enum reg_class): Add new classes.
2407 (REG_CLASS_NAMES): Likewise.
2408 (REG_CLASS_CONTENTS): Likewise.
2409 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2410 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2411 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2412 (CLASS_MAX_NREGS): Use new macros.
2413 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2414 * i386.md (pushsf, movsf): Support SSE.
2415 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2416 splitters to use ANY_FP_REGNO_P.
2417 (movdf_nointeger, movdf_integer): Likewise.
2419 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2421 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2422 (try_combine): Use it.
2424 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2426 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2427 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2428 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2429 (REGISTER_MOVE_COST): Likewise.
2430 * i386-protos.h (ix86_secondary_memory_needed,
2431 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2432 * i386.c (ix86_secondary_memory_needed,
2433 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2435 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2437 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2438 (HARD_REGNO_MODE_OK): Move offline to ....
2439 * i386.c (ix86_hard_regno_mode_ok) ... here;
2440 refuse all incorrect modes.
2441 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2443 2001-02-13 Richard Henderson <rth@redhat.com>
2445 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2446 entire operator; replicate that and match_dup the operands.
2447 (cmp_ccx_arith_op_set): Likewise.
2448 (cmp_cc_arith_op_not_set): Likewise.
2449 (cmp_ccx_arith_op_not_set): Likewise.
2451 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2453 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2455 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2457 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2458 (TARGET_NO_BITFIELD_WORD): New macro.
2459 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2460 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2462 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2464 * cselib.c: New file, from simplify-rtx.c.
2465 * simplify-rtx.c: Remove cselib parts.
2466 * Makefile.in: Add cselib.o.
2468 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2470 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2471 (setup_incoming_varargs): Remove warning.
2473 * config/rs6000/rs6000.c (validate_condition_mode): When
2474 flag_fast_math, allow floating-point conditionals to be reversed.
2475 (rs6000_generate_compare): When flag_fast_math, don't generate
2476 cror operations for FP conditionals.
2478 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2480 (ASM_SPEC): Likewise.
2481 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2482 (CC1_SPEC): Likewise.
2483 (LINK_TARGET_SPEC): Likewise.
2484 (CPP_ENDIAN_SPEC): Likewise.
2485 * Makefile.in (check-consistency): New target.
2487 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2489 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2490 "return type defaults" warning for functions with return type
2492 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2493 function declarations by default rather than only when pedantic.
2495 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2497 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2500 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2502 * extend.texi (Deprecated): Deprecate new initializer lists.
2504 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2506 * mkdeps.c (deps_add_default_target): Robustify. Add
2507 basename component only.
2508 * cpp.texi (-M): Describe how default target is generated.
2509 * invoke.texi (-M): Likewise.
2511 2001-02-12 Kazu Hirata <kazu@hxi.com>
2513 * toplev.c (push_float_handler): Remove.
2514 (pop_float_handler): Remove.
2515 * toplev.h: Remove prototypes for the above functions.
2517 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2519 * c-common.c (constant_fits_type_p): New function.
2520 (convert_and_check): Use it.
2522 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2524 * Makefile.in (GXX_ABI_FLAG): Don't define.
2525 * configure.in (--enable-new-gxx-abi): Remove option.
2526 * config.in: Regenerated.
2527 * configure: Likewise.
2529 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2531 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2533 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2534 regular basic block, and arrange for all edges into it to switch
2537 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2539 * Makefile.in (distclean): Do not remove .gdbinit.
2541 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2543 * Makefile.in (gcc.o): Fix typos.
2544 (protize.o): Likewise.
2545 (unprotoize.o): Likewise.
2547 2001-02-11 Richard Henderson <rth@redhat.com>
2549 * tree.c (build1): Check for null operand in last change.
2551 2001-02-11 Richard Henderson <rth@redhat.com>
2553 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2554 (fold): Don't assume a constant isn't foldable.
2555 * tree.c (build): Set TREE_CONSTANT for an expression with no
2556 side-effects and constant operands.
2559 2001-02-10 Richard Henderson <rth@redhat.com>
2561 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2563 2001-02-10 Anthony Green <green@redhat.com>
2565 * cpp.texi (Standard Predefined): Add documentation for
2568 * c-common.c (combine_strings): Improve warning message.
2570 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2572 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2574 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2576 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2578 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2581 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2583 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2586 2001-02-09 Nick Clifton <nickc@redhat.com>
2588 * config/arm/arm.md: Change output contraint on post inc
2589 load/store multiple patterns to be a read/write contraint.
2591 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2593 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2594 .o files when using the -M options.
2596 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2597 David Edelsohn <edelsohn@gnu.org>
2599 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2600 handle DImode constants. Use one TOC entry for SImode and smaller
2601 constants, aligned properly.
2603 2001-02-08 Jason Merrill <jason@redhat.com>
2605 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2606 about the SP adjustment for saving the static chain pointer.
2607 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2608 offset when setting a temporary CFA register.
2610 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2612 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2613 powerpc-*-chorusos* .
2614 * config/rs6000/chorus.h : New file.
2615 * config/i386/chorus.h : New file.
2616 * config/sparc/chorus.h : New file.
2617 * config/sparc/t-chorus-elf : New file.
2619 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2621 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2622 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2623 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2624 (__WCHAR_TYPE__): Correct macro name.
2626 2001-02-08 Richard Henderson <rth@redhat.com>
2628 * config/i386/i386.c (ix86_frame_pointer_required): New.
2629 (ix86_setup_frame_addresses): New.
2630 (struct machine_funciton): Add accesses_prev_frame.
2631 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2632 ix86_frame_pointer_required.
2633 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2634 (SETUP_FRAME_ADDRESSES): New.
2635 * config/i386/i386-protos.h: Update.
2636 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2637 from FRAME_POINTER_REQUIRED.
2638 * config/i386/svr3gas.h: Likewise.
2639 * config/i386/sysv3.h: Likewise.
2640 * config/i386/v3gas.h: Likewise.
2642 2001-02-08 Richard Henderson <rth@redhat.com>
2644 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2645 calculation of the number of integer registers required.
2646 (function_arg_record_value): Likewise.
2648 2001-02-08 Jason Merrill <jason@redhat.com>
2650 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2651 two. Print file and line with "confused" message.
2653 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2655 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2657 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2659 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2661 * final.c (cleanup_subreg_operands): The address of a MEM can
2664 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2667 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2669 * gcc.texi (Incompatibilities): Update documentation of
2670 preprocessing numbers.
2672 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2674 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2676 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2678 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2680 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2681 * gcc.c (struct compiler): Add cpp_spec field.
2682 (input_file_compiler): New variable.
2683 (do_spec_1): Allow a particular compiler to handle `%C'
2685 (main): Store the current compiler in input_file_compiler.
2686 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2688 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2690 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2691 * cppinit.c (cpp_create_reader): Initialize them.
2692 (append_include_chain): cxx_aware arg might be unused.
2693 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2694 keywords and give them their phase 7 meaning. Pedwarn about
2695 this unless '__bool_true_false_are_defined' is defined.
2697 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2699 * lcm.c (optimize_mode_switching): Emit mode_set before the
2700 JUMP_INSN of an abnormal edge.
2702 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2704 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2705 a scheduling barrier at the end.
2707 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2709 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2711 * config/sh/sh.md (reload_outsf): Removed.
2712 (movsf_ie): Introduce constraints for FPUL loads and stores.
2713 (reload_insf): Broaden the output constraint.
2715 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2717 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2718 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2720 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2722 * final.c: Revert my previous changes.
2723 * output.h: Make profile_label_no extern.
2724 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2725 for generating label.
2727 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2729 * config/i386/djgpp.h: Add comments about standard paths.
2730 (MD_EXEC_PREFIX): Undefine before defining.
2731 (MD_STARTFILE_PREFIX): New.
2733 2001-01-30 Bruce Korb <bkorb@gnu.org>
2735 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2736 (load_file): do not rely on load_file_data() to close file pointer
2737 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2738 fixinc/inclhack.def(irix_limits_const): add test_text
2740 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2742 * cppexp.c (parse_defined): Improve diagnostics for invalid
2745 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2747 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2749 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2751 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2752 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2753 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2754 (rs6000_output_symbol_ref): New function.
2755 (output_toc): Use VTABLE_NAME_P.
2757 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2759 * print-tree.c (print_node, case PARM_DECL):
2760 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2762 * stor-layout.c (reference_types_internal): New variable.
2763 (internal_reference_types): New function.
2764 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2765 * tree.h (internal_reference_types): New declaration.
2767 * cse.c (find_best_addr): Fix typo in computing cost.
2769 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2771 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2772 and this is the sum of a pointer and a constant, we know the result
2774 (num_sign_bit_copies, case PLUS): Likewise.
2775 * explow.c (convert_memory_address): Remove opposite SUBREG.
2776 * function.c (instantiate_new_reg): New function (from common code).
2777 (instantiate_virtual_regs_1): Call it.
2778 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2779 if pointers sign- or zero-extend.
2780 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2781 If pointers extend unsigned, use inside of SUBREG.
2782 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2784 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2786 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2787 subdir of gcc_gxx_include_dir.
2788 (gcc_gxx_target_include_dir): Remove.
2790 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2792 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2793 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2794 a high-level description.
2796 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2798 * final.c: Move the declaration of profile_label_no to ...
2799 * output.h: ... here.
2800 * function.c (expand_function_start): Call PROFILE_HOOK.
2801 * config/rs6000/aix.h: Define PROFILE_HOOK.
2802 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2803 * config/rs6000/rs6000.c (output_profile_hook): Define.
2804 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2805 output_profile_hook.
2806 tm.texi : Explain new macro PROFILE_HOOK.
2808 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2810 * extend.texi (Extended Asm): Do not say that semicolon is always
2811 a valid line-breaking character for GNU assemblers. Use
2812 newline-tab as the most commonly supported syntax. Use
2813 newline-tab rather than semicolon in multi-insn examples.
2815 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2817 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2819 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2820 David Edelsohn <edelsohn@gnu.org>
2822 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2823 code for AIX, even without flag_pic.
2825 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2827 * c-typeck.c (common_type): push and pop binding level around
2828 calling common_type on function parameters.
2830 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2832 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2834 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2836 * config/mips/mips.c (override_options): Fix typo in last change.
2837 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2838 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2840 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2842 * invoke.texi (-fdump-class-layout): Document.
2843 (-fdump-translation-unit): Use `=' as filename separator.
2845 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2847 * Makefile.in (s-mlib): Don't build multilibs if
2849 (DRIVER_DEFINES): Adjust accordingly.
2851 (protoize.o): Likewise.
2852 (unprotoize.o): Likewise.
2853 * configure.in: Recognize --enable-multilib.
2855 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2857 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2859 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2860 * configure.in: Remove --enable-libstdcxx_v3 support.
2861 * configure: Regenerated.
2863 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2865 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2866 Call abort instead of fatal.
2867 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2868 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2869 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2870 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2871 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2872 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2874 * diagnostic.h (set_internal_error_function): Renamed.
2875 * toplev.h (internal_error): Renamed from fatal.
2876 (pfatal_with_name): Deleted.
2877 (fatal_io_error): Now has printf-style arguments.
2878 * diagnostic.c (pfatal_with_name): Deleted.
2879 (fatal_io_error): Rework to have args in printf-style.
2880 (set_internal_error_function): Renamed from set_fatal_function.
2881 (internal_error): Renamed from fatal.
2882 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2883 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2884 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2885 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2886 * flow.c (verify_flow_info): Likewise.
2887 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2888 * config/mips/mips.c (save_restore_insns): Likewise.
2890 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2891 * flow.c (verify_flow_info): Likewise.
2892 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2893 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2894 (avr_normalize_condition): Likewise.
2895 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2896 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2897 (limit_reload_class, double_reg_to_memory): Likewise.
2898 (print_operand_address, emit_1600_code_shift): Likewise.
2899 (gen_tst_reg, gen_compare_reg): Likewise.
2900 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2901 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2903 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2905 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2906 * objc/objc-act.c (build_ivar_chain): Likewise.
2907 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2909 * graph.c (clean_graph_dump_file): Likewise.
2910 * profile.c (init_branch_prob): Likewise.
2911 * objc/objc-act.c (objc_init): Likewise.
2913 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2914 * config/avr/avr.c (avr_override_options): Likewise.
2915 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2916 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2917 * config/h8300/h8300.c (h8300_init_once): Likewise.
2918 * config/mips/mips.c (override_options): Likewise.
2919 * config/i386/i386.c (override_options): Likewise, rework.
2920 * config/m68k/m68k.c (override_options): Likewise.
2922 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2924 * config/mips/mips.c (print_operand): Likewise.
2925 * hash.c (hash_allocate): Don't check for failure returns from
2926 obstack functions that can't fail.
2927 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2928 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2929 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2930 (get_object_reference): Likewise.
2932 2001-02-04 Nick Clifton <nickc@redhat.com>
2934 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2935 StrongARM1110, 10TDMI, and 1020T.
2937 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2939 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2941 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2943 * config/sh/sh.md (movdf load split): Pass register number to
2944 FP_OR_XD_REGISTER_P.
2946 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2948 * cppinit.c (BC): New macro.
2949 (builtin_array): Add __GXX_WEAK__.
2950 * cpplib.h (builtin_type): Add BT_WEAK.
2951 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2952 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2953 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2955 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2957 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2959 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2961 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2962 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2964 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2966 * cpphash.h: Rename ALIGN _ALIGN.
2967 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2969 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2971 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2972 compilation environment.
2973 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2974 control over location of cygwin includes and libs.
2976 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2978 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2980 2001-02-02 lars brinkhoff <lars@nocrew.org>
2982 * md.texi (Standard Names): remove reference to spur.md.
2984 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2986 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2987 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2988 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2989 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2990 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2992 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2994 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2995 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2996 number before reload.
2997 (c4x_adjust_cost): Return zero before reload.
2998 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2999 split before reload.
3001 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3003 * c4x.c (c4x_hard_regno_rename_ok): New.
3004 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3005 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3007 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3009 * diagnostic.h: Add missing "extern" in all declarations.
3011 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3013 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3014 as for gcc_gxx_include_dir.
3016 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3018 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3020 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3022 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3023 label before alignment to be used as the braf base address.
3024 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3026 (casesi_jump_2): Require at least TARGET_SH2.
3028 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3029 truncation to 32-bit doubles on -m3e and -m4-single-only.
3031 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3033 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3034 the default when building a shared object.
3035 (init_spec): Use it.
3036 * testsuite/lib/g++.exp: Include the directory where libgcc
3037 is located to the LD_LIBRARY_PATH list.
3038 * invoke.texi (-shared-libgcc): Document the cases in which
3039 GCC defaults to using the shared libgcc.
3041 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3043 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3044 unsigned is wide enough.
3046 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3047 (si_to_float): Likewise.
3048 (float_to_si, float_to_usi): Use BITS_PER_SI.
3050 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3052 * dwarf2out.c: Added explanation of abbreviations.
3053 (def_cfa_1): Added comments listing DWARF2 instructions.
3054 (cfa_temp_reg): Removed in favor of cfa_temp.
3055 (cfa_temp_value): Removed in favor of cfa_temp.
3056 (cfa_temp): New global variable.
3057 (dwarf2out_frame_debug_expr): Added extensive introductory
3058 comments explaining the function's transformations. Revised to
3059 use cfa_temp. Added some rtx checking. Generalize IOR case.
3060 (dwarf2out_frame_debug): Revised to use cfa_temp.
3061 (output_aranges): Cast as "unsigned" to avoid warning.
3062 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3063 explain which instructions must be marked.
3065 2001-02-01 Richard Henderson <rth@redhat.com>
3067 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3070 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3072 * config/sh/crt1.asm (main_k): Modified so that start calls
3073 ___setup_argv_and_call_main.
3075 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3077 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3078 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3079 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3080 * cppmacro.c (builtin_macro): Set builtin flags here.
3081 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3082 (replace_args): Clarify intent.
3083 (cpp_get_token): Macro expansion tokens get the saved flags.
3085 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3088 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3090 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3093 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3095 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3096 returns Pmode pseudo, but we need ptr_mode.
3097 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3098 Remove bogus conversions; use HOST_WIDE_INT for size.
3099 Don't use TARGET if wrong mode.
3101 * config/i386/i386.c (ix86_compute_frame_size): Allow
3102 stack_alignment_needed to be non-default even if size is zero.
3104 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3106 * (hppa_init_pic_save): Emit the pic offset table
3107 reg save after last_parm_insn.
3108 * pa.c (hppa_init_pic_save): New function.
3109 * pa.h (hppa_init_pic_save): Declare.
3110 * pa.md (call, call_value, sibcall, sibcall_value): Use
3111 the above instead of duplicated code.
3113 * pa.c (hppa_encode_label): Correct size of alloca buffer
3114 so we don't overrun it. Correct leading `*' case.
3115 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3116 need to handle `*@'.
3117 (FUNCTION_NAME_P): Likewise.
3119 2001-01-31 Richard Henderson <rth@redhat.com>
3121 * config.gcc (alpha-osf5): Use float-i128.h.
3123 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3124 * config/float-i32.h: Likewise.
3125 * config/float-i64.h: Likewise.
3126 * config/float-sh.h: Likewise.
3127 * config/float-sparc.h: Likewise.
3129 2001-01-31 DJ Delorie <dj@redhat.com>
3131 * expmed.c (extract_bit_field): allow non-integral modes if we
3132 want to extract a whole register from itself.
3134 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3136 * c-typeck.c (set_init_index): If first is equal to last, assume as
3137 if it was not a range at all.
3139 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3141 * config/fp-bit.c: Include tm.h.
3142 (float_to_si): Don't assume SImode is 32-bits wide.
3143 (float_to_usi): Likewise.
3145 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3147 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3149 (typename): Call pending_xref_error after parsing typed_typespecs.
3150 * c-decl.c (lookup_tag): Give error immediately rather than
3151 leaving it pending if the tag of the wrong type is in the same
3153 (xref_tag): Don't pedwarn for forward declarations of enum types
3155 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3158 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3160 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3162 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3164 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3165 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3167 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3169 * cpphash.h (struct cpp_reader): New saved_flags.
3170 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3171 to avoid a paste after a pasted token.
3173 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3175 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3176 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3177 Wtype_MIN instead of LONG_MIN.
3179 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3181 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3183 * fixinc/fixincl.x: Regenerated.
3184 * fixinc/inclhack.def (irix_limits_const): New definition to
3185 convert "const" to "__const" in limits.h.
3187 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3189 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3191 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3193 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3194 when register dies in the insn.
3196 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3198 * diagnostic.c (fatal): Fix word wrap.
3200 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3202 * combine.c (try_combine): Fix SUBREG setting for
3203 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3205 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3207 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3210 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3212 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3214 * toplev.c (decode_W_option): Update warn_larger_than
3215 unconditionally for each processed switch.
3217 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3219 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3221 (hppa_expand_prologue): Delete code to save pic offset table register
3222 in the function prologue.
3223 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3224 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3225 table register at the beginning of the function after the prologue.
3227 2001-01-29 lars brinkhoff <lars@nocrew.org>
3229 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3231 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3232 Jeff Law <law@redhat.com>
3234 * pa.md (return): Revise comment for trivial return.
3235 (return_internal): Non-trivial return pattern for non-PIC code.
3236 (return_internal_pic): Non-trivial return pattern for PIC code.
3237 It uses the PIC register to ensure it is restored after
3239 (epilogue): Generate appropriate return for PIC and non-PIC code.
3241 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3243 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3245 2001-01-29 DJ Delorie <dj@redhat.com>
3247 * combine.c (if_then_else_cond): Pass the correct mode to
3248 operand_subword() for constants.
3250 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3252 * config/i386/cygwin.h: Add w32api to include search. Search different
3253 directories in a cross-build environment.
3255 2001-11-29 Tim Josling <tej@melbpc.org.au>
3257 * tree.h (TYPE_STUB_DECL): Add documentation.
3259 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3261 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3262 (sdbout_field_types): Likwise. Fix use of host_integerp.
3264 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3266 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3269 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3271 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3272 to use flag_gnu_linker.
3274 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3276 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3277 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3279 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3281 * tree.c, tree.h (build_parse_node): Remove; was identical to
3283 * c-lang.c (start_cdtor), objc/objc-act.c
3284 (build_module_descriptor): Use build_nt instead of
3287 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3289 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3290 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3291 not have any upper bits set.
3293 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3295 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3297 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3299 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3301 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3303 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3304 (integer_minus_one_node): Define.
3306 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3308 * Makefile.in (bootstrap2-lean): Fix typo.
3310 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3312 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3313 : Don't set fe_value.
3314 * cpplib.h (AVOID_LPASTE): New flag.
3315 (struct cpp_hashnode): Remove fe_value.
3316 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3317 * cppmacro.c (builtin_macro): Don't set flags here.
3318 (replace_args): Set AVOID_LPASTE flag on first token of an
3319 argument, and the token following it.
3320 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3321 macro expansion, and on the token following it. Do it for
3323 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3325 2001-01-27 Richard Henderson <rth@redhat.com>
3327 * config/alpha/t-ieee: Remove multilibbing.
3328 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3330 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3332 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3334 * Makefile.in: Remove all dependencies on defaults.h.
3335 * builtins.c: Don't include defaults.h.
3336 * c-common.c: Likewise.
3337 * c-decl.c: Likewise.
3338 * c-pragma.c: Likewise.
3339 * c-typeck.c: Likewise.
3340 * combine.c: Likewise.
3342 * frame-ia64.c: Likewise.
3343 * cppexp.c: Likewise.
3344 * crtstuff.c: Likewise.
3345 * dbxout.c: Likewise.
3346 * dwarf2out.c: Likewise.
3347 * dwarfout.c: Likewise.
3348 * emit-rtl.c: Likewise.
3349 * except.c: Likewise.
3351 * final.c: Likewise.
3352 * frame-dwarf2.c: Likewise.
3353 * libgcc2.c: Likewise.
3354 * optabs.c: Likewise.
3355 * profile.c: Likewise.
3356 * sdbout.c: Likewise.
3357 * toplev.c: Likewise.
3358 * tradcif.y: Likewise.
3360 * varasm.c: Likewise.
3362 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3364 * builtins.c (expand_builtin_fputs): Use size_one_node when
3365 transforming into fwrite.
3367 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3369 * extend.texi (Attribute Syntax): New section.
3371 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3373 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3374 they didn't need fixing.
3376 2001-01-27 Janis Johnson <janis@us.ibm.com>
3378 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3380 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3381 to remove macro definitions that are duplicated from elfos.h.
3383 2001-01-27 Richard Henderson <rth@redhat.com>
3385 * config/i386/sco5gas.h: Move ...
3386 * config/usegas.h: ... here.
3387 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3389 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3391 * c-typeck.c (struct constructor_stack): Add range_stack member.
3392 (really_start_incremental_init): Clear it.
3393 (push_init_level): Save constructor_range_stack and clear it if
3394 pushing explicit braces.
3395 (pop_init_level): abort if constructor_range_stack is non-zero at
3396 explicit closing brace. Restore saved constructor_range_stack if
3399 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3401 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3402 into register was forced into memory.
3404 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3406 * Makefile.in: Remove uses of + before $(MAKE).
3408 2001-01-26 Richard Henderson <rth@redhat.com>
3410 * stmt.c (cost_table): Remove.
3411 (COST_TABLE, cost_table_initialized): New.
3412 (estimate_case_costs): Use the later instead of the former.
3413 (balance_case_nodes): Likewise.
3415 2001-01-26 Richard Henderson <rth@redhat.com>
3417 * alias.c (objects_must_conflict_p): Read-only slots may not
3418 conflict despite having the same type.
3420 2001-01-27 Michael Hayes <mhayes@redhat.com>
3422 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3424 (check_ext_dependant_givs): Initialise u_start_val and
3426 (load_mems): Make last_max_reg unsigned.
3427 (try_swap_copy_prop): Use INSN_P and initialise set.
3429 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3431 * README.AVR : Removed.
3433 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3435 * pa-64.h (text_section): Remove declaration.
3437 * pa.md (return_internal): Remove mode on PIC register use.
3439 2001-01-25 lars brinkhoff <lars@nocrew.org>
3441 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3442 ASM_CLOSE_PAREN): fix typos.
3444 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3446 * acconfig.h: Define `const' to the empty string if neither
3447 __STDC__ nor __cplusplus is defined.
3448 * config.in: Regenerated.
3450 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3452 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3453 * collect2.c (main): Delete importf. Add ".obj" file extension.
3454 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3455 (aix_std_libs): Add additional AIX libraries to skip.
3456 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3457 * config/rs6000/aix51.h: New file.
3459 2001-01-25 Michael Hayes <mhayes@redhat.com>
3461 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3462 (loop_insn_emit_before): No longer static.
3463 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3464 (loop_givs_rescan, load_mems): Likewise.
3465 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3466 (maybe_eliminate_biv_1):
3467 (move_movables): Replace emit_call_insn_before with
3468 loop_call_insn_hoist.
3469 * loop.h (loop_insn_emit_before): Add.
3470 * unroll.c (copy_loop_body): Replace emit_insn_before with
3471 loop_insn_emit_before.
3473 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3475 * diagnostic.c (fatal): Request preprocessed source.
3477 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3479 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3480 olddecl has argument types and newdecl has none, use the argument
3483 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3485 * dwarf2out.c (prefix_of): New function. Determine longest common
3486 prefix of the two arguments. The units are whole path components.
3487 (output_file_names): When adding a new directory find the one entry
3488 with the longest common prefix already in the list. Artificially
3489 generate entry if there is none for this prefix.
3490 Fix test to check whether the zeroth directory entry is used.
3492 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3494 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3495 Changed all callers. Take it into account when deciding if a
3496 previously loaded value matches.
3498 2001-01-24 Richard Henderson <rth@redhat.com>
3500 * reload.c (find_reloads_subreg_address): Fail the substitution
3501 if the resulting address is insufficiently aligned.
3503 2001-01-24 DJ Delorie <dj@redhat.com>
3505 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3506 check the original operand's mode also.
3507 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3509 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3511 * c-parse.in (cast_expr): Move compound literals from here ...
3512 (primary): ... to here. Use standard terminology "compound
3513 literal" instead of "constructor expression".
3515 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3517 * gcc.1, cpp.1: Regenerate.
3519 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3521 * calls.c (emit_library_call_value_1): Memory slot for
3522 pass-by-reference argument should have the mode of the argument,
3523 not of the pointer to it.
3525 2001-01-24 Tom Tromey <tromey@redhat.com>
3527 * gcc.texi (G++ and GCC): Mention gcj manual.
3528 (Standards): Link to section of manual mentioning gcj/Java
3531 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3533 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3534 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3535 * tradcpp.c (main): Add -imacros or -include'd dependencies
3537 * cpp.texi (-M, -MM): Document -M -include behaviour.
3539 2001-01-24 Roger Collins <roger@ProProject.com>
3541 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3543 2001-01-24 Will Cohen <wcohen@redhat.com>
3545 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3546 whether registers are 32 bits or 64 bits in size.
3548 2001-01-24 Ben Elliston <bje@redhat.com>
3550 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3552 2001-01-24 Richard Henderson <rth@redhat.com>
3554 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3555 (builtin_longjmp): Use it instead of emit_indirect_jump.
3557 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3559 * bb-reorder.c (make_reorder_chain_1): Handle case where
3560 jump edge goes to the same block as the fallthru edge.
3562 2001-01-23 Jim Wilson <wilson@redhat.com>
3564 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3565 * frame.h (__ia64_personality_v1): Add prototype.
3566 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3567 prototype form. Add void * cast to first argument to personality
3569 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3570 (asctoe113): Likewise.
3571 * config/ia64/frame-ia64.c: Include eh-common.h.
3572 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3574 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3576 (itanium_split_issue): Add prototype.
3577 (gen_nop_type): Ifdef out.
3578 (find_best_packet): Initialize best_packet.
3579 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3581 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3582 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3583 (flushrs): Add explicit stop bit at end.
3584 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3587 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3589 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3591 * libgcc2.c (__terminate_func): Make variable static.
3592 (__terminate_set_func): New function to set __terminate_func.
3593 * libgcc2.h (__terminate_func_ptr): New typedef.
3594 (__terminate_set_func): New function.
3596 2001-01-23 Richard Henderson <rth@redhat.com>
3598 * flow.c (init_propagate_block_info): Don't consider unchanging
3599 memories for dead frame store elimination.
3601 2001-01-23 Richard Henderson <rth@redhat.com>
3603 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3604 * defaults.h: ... here.
3606 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3608 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3610 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3612 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3614 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3616 * rs6000.h (rs6000_return_addr): Move prototype from here...
3617 * rs6000-protos.h (rs6000_return_addr): ...to here.
3618 (rs6000_init_expanders): Delete prototype.
3620 2001-01-23 Nick Clifton <nickc@redhat.com>
3622 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3623 (Spec Files): Document %B and %j and %. and %v3 and %M and
3624 %{S*&T} spec switches.
3626 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3628 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3630 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3631 Neil Booth <neil@daikokuya.demon.co.uk>
3633 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3634 Have -Werror make pedantic warnings errors, like the
3637 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3639 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3641 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3643 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3644 * integrate.c (expand_inline_function): Initialize them.
3645 (subst_constants): If changing COMPARE so that both its arguments
3646 will be VOIDmode and the comparison mode will be lost, note
3647 compare_mode. Use the recorded compare_mode to optimize
3650 2001-01-23 Jason Merrill <jason@redhat.com>
3652 * dwarf2out.c (new_die): Use xcalloc.
3653 (output_die): Abort rather than emit a local reference to offset 0.
3655 2001-01-17 Andrew Haley <aph@redhat.com>
3657 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3658 of a saved register; return NULL instead.
3659 (copy_reg): Take a pointer to a source register rather than a
3661 (next_stack_level): Remember the address in the stack frame of all
3663 Use the saved register pointer array as the source of the CFA.
3664 (throw_helper): Rewrite. Unwind once rather than twice and keep
3665 track of saved registers as we go.
3667 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3669 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3670 * c4x.c (c4x_legitimize_reload_address): Remove.
3671 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3672 reload address for ldp(k) insn.
3674 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3676 * pa.md (return_internal): Add a USE of the PIC register to ensure
3677 it is restored after each call.
3678 (return expander): Corresponding changes.
3680 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3682 * rs6000.h (INIT_EXPANDERS): Delete.
3683 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3684 * rs6000.c (rs6000_override_options): Call *_machine_status from
3686 (rs6000_init_expanders): ...instead of here. Delete.
3687 (rs6000_mark_machine_status): New function.
3688 (rs6000_init_machine_status): Use xcalloc.
3689 (rs6000_return_addr): Generate RTX for the return address.
3690 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3691 (rs6000_stack_info): Use it.
3693 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3695 * gthr-win32.h: Include errno.h to get a declaration for
3696 EINVAL and _mingw.h if the target is mingw32.
3698 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3700 * cpp.texi: Correct typos.
3702 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3704 * explow.c (probe_stack_range): Ensure value passed to
3705 stack_check_libfunc is ptr_mode, not Pmode.
3707 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3709 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3710 case, don't use operand_subword to calculate a SUBREG that is
3713 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3715 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3717 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3718 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3719 valid. If not replace it by equivalent insns.
3721 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3723 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3724 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3725 (c4x_U_constraint, symbolic_address_operand): Likewise.
3726 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3728 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3729 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3730 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3731 anulling slot because of silicon bug.
3732 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3734 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3736 * cppexp.c (parse_charconst): Change `mask' type to agree
3739 2001-01-21 Richard Henderson <rth@redhat.com>
3741 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3742 pic_label_name in a linkonce section.
3744 2001-01-17 Philipp Thomas <pthomas@suse.de>
3746 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3748 * configure: Regenerate.
3750 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3752 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3753 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3755 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3757 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3758 If REVERSE nonzero then condition code in X must be reversed.
3759 (encode_section_info): Optimise if/else.
3760 (avr_function_value): Fix formatting.
3762 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3763 (difficult_branch): Likewise.
3764 (rvbranch): Likewise.
3765 (difficult_rvbranch): Likewise.
3767 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3769 * config/avr/libgcc.S: Fix comment.
3771 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3773 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3775 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3777 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3779 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3781 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3782 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3783 * configure, config.in: Regenerate.
3784 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3785 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3786 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3787 (doprint.o): New rule.
3789 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3791 * c-typeck.c (digest_init): Handle boolean types as scalars.
3793 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3795 * stmt.c (expand_return): Don't return anything if size is zero.
3796 Delete redundant assignment to BYTES.
3797 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3799 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3801 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3802 the same as the default library function names.
3803 * config/avr/avr.md: Document special characters after '%'.
3804 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3805 knowing which of the call-used registers are really clobbered.
3806 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3807 New. Both quotient and remainder from one libgcc.S call.
3808 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3809 clobber as few registers as possible.
3810 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3812 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3814 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3815 context of the top of the stack.
3817 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3819 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3820 (fixup_var_refs_insns): ...here.
3822 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3824 * function.c (fixup_var_refs_insns): Break up into
3825 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3826 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3827 [loop over hash table entries].
3828 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3829 fixup_var_refs_insns_with_hash, to match above changes.
3831 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3833 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3834 (libgcc.a): Likewise.
3835 (stmp-multilib): Likewise.
3836 (STAGE2_FLAGS_TO_PASS): Likewise.
3838 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3840 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3841 temporary if no_new_pseudos.
3843 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3845 * cppinternals.texi: Update.
3847 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3849 * arm.c (arm_init_builtins): Re-enable builtins.
3851 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3853 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3854 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3855 element to be null, and always expect an EXPR_LIST.
3856 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3857 * sched-deps.c (sched_analyze_1): Likewise.
3858 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3860 * regclass.c (max_set_parallel): New variable.
3861 (reg_scan): Take it into account in computation of max_parallel.
3862 (reg_scan_mark_refs, case SET): Compute it.
3864 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3866 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3867 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3869 2001-01-19 Jason Merrill <jason@redhat.com>
3871 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3872 for the abstract instance of an inline function.
3874 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3875 J"orn Rennecke <amylaar@redhat.com>
3877 * reload1.c (move2add_note_store): Treat all registers directly or
3878 indirectly derived from a base register as members of the same set
3880 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3881 of base register into account.
3883 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3885 * alias.c (find_base_value): Recognize TRUNCATE.
3886 (record_set): In PLUS case, invalidate if other summand is also a
3889 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3891 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3892 entry to be EXPR_LIST.
3893 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3894 be an EXPR_LIST (but not null, which other code doesn't allow).
3895 (note_stores): Properly handle PARALLEL in SET.
3896 Recursively call for top-level PARALLEL.
3897 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3898 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3900 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3902 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3904 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3905 not pfile->skipping (== 0).
3907 2001-01-17 Nick Clifton <nickc@redhat.com>
3909 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3912 2001-01-17 Jim Wilson <wilson@redhat.com>
3914 * invoke.texi (IA-64 options): Improve.
3916 2001-01-17 Tom Tromey <tromey@redhat.com>
3918 * invoke.texi (Optimize Options): Use `{}' to around @samp
3921 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3923 * invoke.texi (-fno-guess-branch-probability): New option.
3925 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3927 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3928 case of making new double-word constant.
3929 Revert last change: instead just test i3_subst_into_i2.
3931 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3933 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3934 Use q constraints instead of r.
3936 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3938 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3939 (machine_function): Define.
3940 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3941 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3942 pa_free_machine_status): New functions.
3943 (override_options): Set {init,mark,free}_machine_status to above.
3944 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3945 PIC_OFFSET_TABLE_REGNUM_SAVED.
3946 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3947 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3948 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3949 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3950 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3952 2001-01-15 DJ Delorie <dj@redhat.com>
3954 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3958 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3960 * flow.c (propagate_on_insn): Make trying to delete a prologue
3961 or epilogue insn an ICE, not a warning. Allow doing this if
3962 the current function returns with stack pointer depressed.
3964 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3965 I3 having more than one SET.
3967 2001-01-16 Jim Wilson <wilson@redhat.com>
3969 * invoke.texi: Document IA-64 options.
3971 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3972 (fixup_errata): Delete TARGET_A_STEP use.
3973 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3974 (TARGET_SWITCHES): Delete -ma-step option.
3975 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3976 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3977 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3978 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3979 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3980 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3982 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3983 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3984 cmovsi_internal): Delete ! TARGET_A_STEP check.
3986 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3988 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3989 possibility to report bugs via postal mail. Change a URL and
3990 merge in a nearly duplicate statement...
3991 (Bug Reporting): ...from here.
3992 (Service): Refer to the Bug Reporting section instead of
3994 (Contributing): Remove trivial explanations concerning snapshots.
3996 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3998 * cppmain.c (general_init): Don't use ANSI prototype.
4000 2001-01-16 Tom Tromey <tromey@redhat.com>
4002 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4004 2001-01-16 Richard Henderson <rth@redhat.com>
4006 * config/i386/i386.h: Fix comment typo.
4007 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4008 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4010 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4012 * gcc.c: Revert previous -fsyntax-only-related change; move
4015 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4017 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4018 inmode after checking GET_CODE (op).
4020 2001-01-16 Richard Henderson <rth@redhat.com>
4022 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4023 (MAX_MEM_SET_LIST_LEN): New.
4024 (propagate_one_insn): Update mem_set_list_len.
4025 (invalidate_mems_from_autoinc): Likewise.
4026 (invalidate_mems_from_set): Likewise.
4027 (mark_used_regs): Likewise.
4028 (init_propagate_block_info): Likewise. Stop collecting memories
4029 when we reach MAX_MEM_SET_LIST_LEN.
4030 (mark_set_1): Likewise.
4032 2001-01-16 Richard Henderson <rth@redhat.com>
4034 * unroll.c (precondition_loop_p): Fail if no iteration
4037 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4039 * gcc.c: When -fsyntax-only is given, do not complain about
4042 2001-01-15 Richard Henderson <rth@redhat.com>
4044 * config/i386/i386.c (asm_output_function_prefix): Remove.
4045 (ix86_asm_file_end): New.
4046 (load_pic_register): Generate pic_label_name into a
4047 staticly allocated buffer.
4048 * config/i386/i386-protos.h: Update.
4049 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4050 (ASM_FILE_END): New.
4051 * config/i386/i386afe.h: New file.
4052 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4053 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4054 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4055 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4056 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4057 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4058 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4060 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4062 * Makefile.in (install-man): Remove explicit dependency on
4065 * configure.in, configure: Revert previous patch requiring perl
4068 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4070 * toplev.c (flag_guess_branch_prob): New.
4071 (f_options): Add guess-branch-probability option.
4072 (rest_of_decl_compilation): Only estimate branch probability if
4074 (main): set flag_guess_branch_prob.
4076 * flags.h (flag_guess_branch_prob): New.
4078 2001-01-15 DJ Delorie <dj@redhat.com>
4080 * gcc.texi (Makefile): Add documentation for Makefile targets.
4082 2001-01-15 Philip Blundell <philb@gnu.org>
4084 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4086 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4087 (is_pic): Delete declaration.
4088 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4089 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4090 * config/arm/arm.md (builtin_setjmp_receiver): New.
4092 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4094 * arm.c (use_return_insn): Don't try to determine the function type
4095 until after reload has completed.
4096 (arm_output_epilogue): Don't adjust the sp value recovered from the
4098 (emit_multi_reg_push): Don't record dwarf information for the pc.
4099 * arm.md (eh_epilogue): The function type may have changed, so it
4100 needs to be recalculated.
4101 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4102 unwind tables on arm/netbsd.
4104 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4106 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4107 (negated_cbranchsi4): Likewise.
4109 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4111 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4112 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4113 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4114 pass -mapcs-* options to assembler.
4115 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4116 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4117 (ASM_SPEC): Call subtarget_extra_asm_spec.
4119 2001-01-15 Andreas Jaeger <aj@suse.de>
4121 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4123 (ix86_expand_builtin): Likewise.
4125 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4126 warning about comparison between signed and unsigned.
4128 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4130 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4132 2001-01-14 Ralf Baechle <ralf@gnu.org>
4134 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4135 SUBTARGET_CPP_SPEC apropriatly.
4137 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4139 * varasm.c (make_decl_rtl): Fix typo in last change.
4141 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4143 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4144 linker supports the init_priority C++ attribute.
4145 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4146 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4147 linker does not support init_priority C++ attribute.
4149 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4151 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4153 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4155 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4156 * cp/lex.c (finish_parse): Similarly.
4157 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4158 Return the number of errors encountered.
4159 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4160 * cppmain.c (main): Don't call cpp_destroy.
4162 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4164 * configure.in: Require at least perl 5.6.0 to regenerate
4166 * configure: Regenerate.
4168 2001-01-14 Richard Henderson <rth@redhat.com>
4170 * genrecog.c (DT_veclen_ge): New.
4171 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4172 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4173 (nodes_identical_1): Handle DT_veclen_ge.
4174 (write_cond, debug_decision_2): Likewise.
4176 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4178 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4180 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4182 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4184 * cppmain.c (do_preprocessing): New function; most of the old
4186 (main): Call it to do most of the work.
4187 (cb): Move from global scope to set_callbacks ().
4188 (setup_callbacks): Get the callback pointer.
4189 (general_init, printer_init): Clean up code and comments.
4191 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4193 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4196 2001-01-14 Kazu Hirata <kazu@hxi.com>
4198 * config/h8300/h8300.c (get_shift_alg): Update comments.
4200 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4202 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4203 (alloc_page, ggc_alloc): Add casts to remove warnings.
4205 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4207 * combine.c (simplify_comparison): Don't change `code' when
4208 can't reverse comparison.
4210 2001-01-14 Richard Henderson <rth@redhat.com>
4212 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4213 update all call sites. Return true for all non-label constants.
4215 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4217 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4219 (ix86_expand_branch): Update.
4220 (ix86_expand_setcc): Update to handle multiple test conditions.
4221 (expand_int_movcc): Likewise.
4222 (expand_fp_movcc): Likewise.
4223 * i386-protos.h (ix86_expand_compare): New.
4224 * i386.md (andqi_?_slp, orqi_?_slp): New.
4225 (conditional trap expander): Update call to ix86_expand_compare.
4227 2001-01-14 Richard Henderson <rth@redhat.com>
4229 * config/vax/vax.md: Use nonimmediate_operand instead of
4230 general_operand in destinations.
4232 * config/vax/vax.md (indirect_jump): Use register_operand.
4234 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4235 * config/vax/vax.md (call_pop): Turn into an expander.
4236 (call_value_pop): Likewise.
4237 (call, call_value): New.
4239 2001-01-14 Andreas Jaeger <aj@suse.de>
4241 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4243 (ix86_fp_compare_mode): Add unused attribute.
4244 (ix86_expand_fp_movcc): Remove unused variable.
4245 (ix86_expand_builtin): Make fcode unsigned.
4247 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4248 (expand_expr): Add cast to avoid signed warning.
4249 (store_field): Likewise.
4250 (store_constructor_field): Likewise.
4251 (store_constructor): Likewise.
4252 (store_expr): Likewise.
4253 (clear_storage): Likewise.
4254 (emit_group_store): Likewise.
4255 (emit_group_load): Likewise.
4257 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4259 * c-common.c: Move format checking code to ...
4260 * c-format.c: ... here. New file. Reorder some functions and
4262 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4264 * c-common.h (decl_handle_format_attribute,
4265 decl_handle_format_arg_attribute): Declare.
4266 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4267 (c-common.o): Adjust dependencies.
4268 (c-format.o): New list of dependencies.
4270 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4272 * unroll.c (loop_iterations): If we cannot prove iteration variable
4273 is set once in each iteration, punt.
4275 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4277 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4278 (*strlenhi): Remove clobber (which was buggy) of output address.
4280 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4282 * Makefile.in (generated-manpages): Add gcc.1
4283 ($(srcdir)/gcc.1): New target.
4284 (maintainer-clean): Delete $(srcdir)/gcc.1.
4285 * gcc.texi: Add macros @gccoptlist and @gol.
4286 * invoke.texi: Include option summary in manpage. Mark up option
4287 summary with @gccoptlist and @gol. Use @r in one place where
4289 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4290 * gcc.1: Generate from invoke.texi.
4292 2001-01-13 Richard Henderson <rth@redhat.com>
4294 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4295 (struct page_entry): Add group member.
4296 (struct page_group): New.
4297 (struct globals): Add page_groups member.
4298 (alloc_anon): Only define for using mmap; remove valloc call.
4299 (page_group_index): New.
4300 (set_page_group_in_use): New.
4301 (clear_page_group_in_use): New.
4302 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4303 (free_page, release_pages): Likewise.
4304 * configure.in (with-gc): Default to ggc-page always.
4306 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4308 * reload1.c (replace_pseudos_in_call_usage): Use
4309 reg_equiv_constant and reg_equiv_address, and don't try
4310 regno_reg_rtx first.
4312 2001-01-13 Richard Henderson <rth@redhat.com>
4314 * ggc-page.c (alloc_page): Round up allocation size to one page.
4315 Set e->order on extra pages.
4317 2001-01-13 Richard Henderson <rth@redhat.com>
4319 * genrecog.c (nodes_identical): Expand commentary.
4320 (write_switch): Watch out for identical nodes.
4322 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4324 * cppfiles.c (_cpp_fake_include): New function.
4325 * cpphash.h (_cpp_fake_include): New.
4326 * cpplib.c (do_line): Call _cpp_fake_include when entering
4327 header files in preprocessed input.
4328 * cppmain.c (cb_pragma_implementation): Remove handling.
4329 (setup_callbacks): Don't register pragmas.
4331 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4333 * extend.texi: Udate for CPP.
4335 2001-01-13 Andreas Jaeger <aj@suse.de>
4337 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4339 * regmove.c: Add prototype for replace_in_call_usage.
4341 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4343 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4344 struct cpp_chunk, struct htab, struct toklist,
4345 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4346 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4347 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4348 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4349 (struct macro_args): Delete.
4350 * cpphash.h: See above.
4352 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4354 * cppmain.c (struct printer): Remove no_line_dirs.
4356 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4357 : Use options rather than CPP_OPTION.
4358 (setup_callbacks): Use cb rather than pfile->cb.
4359 (main): No need to check for a buffer. Use cpp_errors.
4360 (printer_init): Don't set no_line_dirs.
4361 (maybe_print_line): Use options not no_line_dirs.
4362 (cb_file_change): Don't call print_line if -P.
4364 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4366 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4368 * c-parse.in (finish_parse): Use cpp_errors.
4369 (__yylex): Use return value of cpp_pop_buffer.
4370 * cp/lex.c (finish_parse): Use cpp_errors.
4371 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4373 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4375 * README.AVR: URLs corrected.
4377 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4379 * c-decl.c (start_function): Don't warn if old prototype is builtin
4380 that's not in C's namespace.
4381 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4382 (_bb): Add prototype for ctime.
4383 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4385 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4387 * i386.c (ix86_fp_comparison_arithmetics_cost,
4388 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4389 ix86_fp_comparison_cost): New functions.
4390 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4391 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4392 two-branch sequences; make static.
4393 (ix86_use_fcomi_compare): Do decision according to the costs.
4394 (split_fp_branch): New.
4395 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4396 * i386-protos.h (ix86_expand_fp_compare): Remove
4397 (ix86_split_fp_branch): Declare.
4399 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4400 and ix86_comparison_operator.
4402 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4405 * i386.c (put_condition_code): Output properly the unordered/ordered
4406 compares in fp case.
4407 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4409 * tm.texi (REVERSE_CONDITION): Document.
4410 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4411 in -ffast-math mode.
4412 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4414 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4416 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4418 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4421 * config/sh/sh.c (mova_p): Fix test for mova_const.
4423 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4425 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4426 cpp_get_options rather than dereferencing pfile and using
4428 * scan-decls.c (scan_decls): Use return value of
4429 cpp_pop_buffer rather than CPP_BUFFER.
4431 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4433 * cppinit.c (cpp_handle_option): help_only is now part of the
4434 cpp_options structure.
4435 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4436 cpp_set_callbacks): New functions.
4437 * cpplib.h (cpp_callbacks): Break out as a named structure.
4438 (cpp_options): Move help_only here from cpp_reader.
4439 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4440 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4441 cpp_set_callbacks): New prototypes.
4442 * cppmain.c (main): Update for help_only.
4444 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4446 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4447 Also build and remove and install and uninstall c-tree.info and
4449 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4450 ($(srcdir)/cppinternals.info): New target.
4451 * c-tree.texi: Change file name used when makeinfo used without -o
4452 from ir.info to c-tree.info. Add info directory entry.
4453 * cppinternals.texi: Add info directory entry.
4454 * .cvsignore: Update.
4456 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4458 * c-typeck.c (store_init_value): Don't require constant initializer
4459 elements with -pedantic -std=c99.
4460 (digest_init): Change error about non-constant initializer elements
4462 (constructor_range_end): Remove.
4463 (constructor_incremental, designator_depth,
4464 designator_errorneous): New variables.
4465 (struct constructor_stack): Remove range_end, add incremental.
4466 (struct constructor_range_stack, constructor_range_stack): New.
4467 (struct initializer_stack): Add constructor_range_stack.
4468 (finish_init): Set it.
4469 (start_init): Likewise. require_constant_elements for non-static
4470 trees only if not flag_isoc99.
4471 (really_start_incremental_init): Remove constructor_range_end, add
4472 constructor_incremental.
4473 (pop_init_level): Likewise.
4474 (push_init_level): Likewise. If implicit and the subobject had some
4475 value set already, preinitialize the level with it.
4476 Warn about missing braces only if not pushing due to designators.
4477 (set_designator, push_range_stack): New functions.
4478 (set_init_label): Use them.
4479 (set_init_index): Likewise. Remove constructor_range_end.
4480 Error if designator index is outside of array bounds.
4481 (add_pending_init): Compare values of purpose index trees, not the
4482 trees themselves. Allow overwriting of already initialized element.
4483 Issue a warning if it had side-effects.
4484 (set_nonincremental_init, set_nonincremental_init_from_string): New
4486 (pending_init_member): Rename to...
4487 (find_init_member): ...this function. Call set_nonincremental_init
4488 if necessary. Compare values of purpose index trees, not the trees
4489 themselves. Return the actual value, not just non-zero if something
4491 (output_init_element): Remove checks for duplicates.
4492 If field has zero size, only check the initializer for correctness.
4493 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4494 if constructor_incremental is zero. Change error about initializers
4495 not computable at load time into pedwarn.
4496 (output_pending_init_elements): Compare bit positions, not
4497 FIELD_DECLs to take into account zero-sized fields.
4498 (process_init_element): Use constructor_range_stack to fill all
4499 ranges in the designator lists from current level up.
4500 * extend.texi: Update documentation for labeled elements.
4502 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4504 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4505 to function usage for arguments passed by reference. Optimize
4506 callee-copied arguments.
4507 * regmove.c (replace_in_call_usage): New function.
4508 (fixup_match_1): Call it.
4509 * cse.c (cse_insn): Canonicalize registers in function usage.
4510 * reload1.c (replace_pseudos_in_call_usage): New function.
4513 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4516 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4518 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4521 2001-01-12 DJ Delorie <dj@redhat.com>
4523 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4524 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4527 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4529 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4530 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4531 -std options alongside references to -ansi. Update some
4532 documentation for C99.
4533 * cpp.1: Regenerate.
4535 2001-01-12 Andreas Jaeger <aj@suse.de>
4537 * haifa-sched.c (restore_line_notes): Remove argument block B
4539 * sched-ebb.c (schedule_ebb): Change caller.
4540 * sched-rgn.c (schedule_region): Likewise.
4541 * sched-int.h (restore_line_notes): Adjust prototype.
4543 * loop.h: Remove wrong declaration of doloop_condition_get.
4545 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4547 * extend.texi: Move C++-extension-related node from the C section
4548 into the C++ section.
4550 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4552 * extend.texi: Refer to an array of pointers to functions instead
4553 of one of functions.
4555 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4556 Jan Hubicka <jh@suse.cz>
4558 * combine.c (reversed_comparison): Fix typo in last patch.
4560 (combine_reversed_comparison_code): Make static to follow
4561 prototype declaration.
4563 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4565 * install.texi: Remove misplaced duplicate entry.
4567 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4569 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4571 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4573 * final.c: (leaf_function_p): Fix typo.
4575 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4577 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4578 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4580 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4581 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4582 mmap_anon, and valloc is available.
4583 * ggc-page.c: Restructure ifdef logic to match new autoconf
4584 spec. Don't throw away the test page in init_ggc.
4586 * configure, config.in: Regenerate.
4588 2001-01-12 Michael Hayes <mhayes@redhat.com>
4590 * loop.h (total_biv_increment): Constify iv_class pointer.
4591 (struct induction): Replace `mem_mode' with `mem' rtx.
4592 * unroll.c (total_biv_increment): Constify iv_class pointer.
4593 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4594 (find_mem_givs, combine_givs_p): Likewise.
4595 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4597 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4599 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4601 (__gthread_getspecific): Ditto.
4603 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4605 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4606 put_condition_code): Convert fp comparison codes to integer
4608 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4611 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4612 * i386-protos.h (no_comparison_operator): Kill.
4614 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4616 * combine.c (REVERSIBLE_CC_MODE): Remove.
4617 (reversible_comparison_p): Remove.
4618 (combine_reversed_comparison_code): New.
4619 (reversed_comparison): New.
4620 (combine_simplify_rtx): Use
4621 combine_reversed_comparison_code/reversed_comparison instead
4622 of reversible_comparison_p.
4623 (simplify_if_then_else): Likewise.
4624 (simplify_set): Likewise.
4625 (simplify_logical): Likewise.
4626 (if_then_else_cond): Likewise.
4627 (known_cond): Likewise.
4628 (simplify_comparison): Likewise.
4630 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4632 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4633 sizeof (int) is larger than sizeof(__word__).
4635 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4637 * cppinit.c (do_includes): Fix typo.
4639 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4641 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4642 in S_REGS does not occur because not all sources are possible
4643 when a S_REGS is a destination (sometimes needs a clobber).
4644 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4645 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4646 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4647 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4648 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4649 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4650 (lshrdi_const1, lshrsi3_const16): Likewise.
4651 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4652 (*movhi_68hc12, *movqi_68hc12): Likewise.
4653 (movstrictqi): Make sure reloading in D_REGS as a destination
4656 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4658 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4660 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4662 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4663 -D, -U and -A, and don't initialize the builtins.
4664 (do_includes): Error if -include or -imacros with -fpreprocessed.
4665 * cppmain.c (cb_define, cb_undef): Unconditionally process
4667 * tradcpp.c (main): Fix typo.
4669 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4671 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4672 (read_name_map): Use IS_ABSOLUTE_PATH.
4673 * tradcpp.c (get_filename): Likewise.
4675 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4677 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4678 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4679 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4680 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4681 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4682 (cmphi_z_used): Don't use '@' for the output.
4683 (tstqi_z_used): Likewise.
4684 (cmpqi_z_used): Likewise.
4685 (one_cmplsi2): Likewise.
4687 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4689 * config/sh/sh.c (barrier_align): Recognize branch around far
4690 branch and redundant insn.
4692 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4694 * invoke.texi: Restore documentation of the drivers' switches -MD
4697 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4699 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4701 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4702 check-objc//%): Support parallel testing of multilibs.
4703 (TESTSUITEDIR): Set to testsuite by default, but override for
4705 (check-gcc, check-g++, check-g77, check-objc): Enter
4708 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4710 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4711 * sched-deps.c (deps_may_trap_p): Likewise.
4712 * basic-block.h: Remove a comment.
4713 * flow.c (PROP_POSTRELOAD): Remove.
4714 (update_life_info): Don't add it to prop_flags.
4715 (mark_set_1): Lose the code that was enabled by it.
4717 2001-01-11 Michael Hayes <mhayes@redhat.com>
4719 * flow.c (flow_call_edges_add): New.
4720 * basic_block.h (flow_call_edges_add): New.
4722 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4724 * reload1.c (move2add_note_store): Update reg_set_luid even if
4725 base reg remains the same.
4727 2001-01-10 Nick Clifton <nickc@redhat.com>
4729 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4730 machine_function structure to zero.
4731 Add prototypes for machine_status functions.
4733 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4735 * c-common.h (CTI_VOID_LIST): Remove.
4736 (void_list_node): Likewise.
4737 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4738 (void_list_node): New macro.
4739 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4740 * config/i386/i386.c (ix86_init_builtins): Likewise.
4741 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4743 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4745 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4746 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4748 * tradcpp.c: Include mkdeps.h.
4749 (deps, print_deps_phony_targets, deps_append, output_deps,
4750 init_dependency_output, output_deps): New.
4751 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4752 deps_output): Delete.
4753 (print_deps_missing_files): Rename deps_missing_files.
4754 (inhibit_output): Make global.
4755 (main): Delete inhibit_output, deps_stream, deps_target.
4756 Use mkdeps functionality in the same way as cpplib. Remove
4757 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4758 -M and -MM. Remove old handling of deps via deps_out, and
4759 old reading of environment variables.
4760 (get_filename): Update to use deps_add_dep.
4762 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4764 * output.h (make_function_rtl): Remove prototype.
4765 (make_decl_rtl): Likewise.
4766 * varasm.c (make_function_rtl): Remove.
4767 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4768 than from a third parameter.
4769 * tree.h (make_decl_rtl): Remove last parameter.
4770 * c-decl.c (builtin_function): Remove last argument in call to
4771 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4772 (start_function): Likewise.
4773 * except.c (call_get_eh_context): Likewise.
4774 * expr.c (emit_block_move): Likewise.
4775 (clear_storage): Likewise.
4776 * profile.c (output_func_start_profiler): Likewise.
4777 * toplev.c (rest_of_decl_compilation): Likewise.
4778 * objc/objc-act.c (create_builtin_decl): Likewise.
4779 (synth_module_prologue): Likewise.
4780 (generate_static_reference): Likewise.
4781 (build_selector_reference_decl): Likewise.
4782 (build_class_reference_decl): Likewise.
4783 (build_objc_string_decl): Likewise.
4784 (build_protocol_reference): Likewise.
4786 2001-01-10 Richard Henderson <rth@redhat.com>
4788 * hwint.h: Revert yesterday's change.
4790 2001-01-10 Nick Clifton <nickc@redhat.com>
4792 * function.h (save_machine_status): Delete.
4793 (restore_machine_status): Delete.
4794 Amend comment describing {init|mark|free}_machine_status.
4796 * function.c (save_machine_status): Delete.
4797 (restore_machine_status): Delete.
4798 Amend comment describing {init|mark|free}_machine_status.
4799 (push_function_context_to): Remove invocation of
4800 save_machine_status.
4801 (pop_function_context_from): Remove invocation of
4802 restore_machine_status.
4804 * emit-rtl.c (init_emit_once): Amend comment describing
4805 {init|mark|free}_machine_status.
4807 * tm.texi (Per-Function Data): New node. Describe the
4808 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4811 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4813 * cppinit.c (OPT_g): Remove.
4814 (cpp_handle_option): Update for removed -g3.
4815 (print_help): Update.
4816 * cpplib.h (struct cpp_options): Remove debug_output.
4817 * cppmain.c (setup_callbacks, cb_define): Update.
4818 * gcc.c (cpp_options): Translate -g3 to -dD.
4820 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4822 * config/i960/i960.md: Change modifier to + on the zero_extract
4823 pattern after the (rotate -2 reg) canonicalization pattern.
4825 2001-01-10 Richard Henderson <rth@redhat.com>
4827 * config/alpha/alpha.c (alpha_free_machine_status): New.
4828 (override_options): Install it.
4829 (alpha_mark_machine_status): Verify machine non-null.
4830 * config/i386/i386.c (ix86_free_machine_status): New.
4831 (override_options): Install it.
4832 (ix86_init_machine_status): Use xcalloc.
4833 (ix86_mark_machine_status): Verify machine non-null.
4834 * config/ia64/ia64.c (ia64_free_machine_status): New.
4835 (ia64_override_options): Install it.
4836 (ia64_mark_machine_status): Verify machine non-null.
4838 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4840 * function.c (instantiate_virtual_regs): Instantiate virtual
4841 registers found in CALL_INSN_FUNCTION_USAGE.
4843 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4845 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4846 equivalent to -ansi in disabling -Di386.
4848 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4850 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4852 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4854 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4856 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4858 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4860 * invoke.texi: Document that -fcond-mismatch isn't supported for
4863 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4865 * gcc.texi: Define macro gcctabopt.
4866 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4867 @command, @env and @option in some places where appropriate. Use
4868 @gcctabopt where appropriate. Put URLs and email addresses inside
4871 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4873 * gcc.c (cpp_options): Set MD file name from output
4874 filename, if specified.
4875 (suffix_subst): New static variable.
4876 (do_spec): Clear it.
4877 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4879 (give_switch): Handle suffix_subst.
4881 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4883 * invoke.texi: Fix another typo.
4885 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4887 * invoke.texi: Fix typo.
4889 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4891 * c-lang.c (lang_hooks): Update.
4892 (lang_decode_option): Remove.
4893 (lang_init_options): Rename c_init_options.
4894 * toplev.c (main): Use lang_hooks for lang_init_options
4895 and lang_decode_option.
4896 * toplev.h (lang_hooks): Add 2 new hooks.
4897 * tree.h: Remove lang_init_options and lang_decode_option.
4898 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4899 * cp/decl2.c: Similarly.
4900 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4901 (lang_hooks): Update.
4902 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4904 (lang_init_options): Rename ffe_init_options.
4905 (lang_hooks): Update.
4906 (lang_decode_option): Remove.
4907 * java/lang.c (lang_init_options): Rename java_init_options.
4908 (lang_decode_option): Rename java_decode_option.
4909 (lang_hooks): Update.
4910 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4911 (lang_decode_option): Rename objc_decode_option.
4912 (lang_hooks): Update.
4914 2001-01-09 Nick Clifton <nickc@redhat.com>
4916 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4917 (d30v_return_addr_rtx): Delete.
4918 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4919 cfun->machine structure.
4920 (struct machine_function): Move to d30v.h
4921 (d30v_save_machine_status): Delete.
4922 (d30v_restore_machine_status): Delete.
4923 (d30v_init_machine_status): New Function.
4924 (d30v_mark_machine_status): New Function.
4925 (d30v_free_machine_status): New Function.
4926 (d30v_init_expanders): Use new functions.
4927 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4928 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4929 d30v_return_addr_rtx.
4931 * config/d30v/d30v.h (struct_machine): Move here.
4932 Add eh_epilogue_sp_ofs field.
4934 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4935 field in cfun->machine structure.
4937 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4939 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4940 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4941 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4943 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4945 * objc/lang-options.h: Remove bogus reference to
4948 2001-01-09 Kazu Hirata <kazu@hxi.com>
4950 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4953 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4955 * reload.c (find_reloads_address): Check for eliminable registers
4956 when substituting a constant expression for a pseudo.
4958 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4960 * c-common.c (enum format_type): Add format_type_error.
4961 (decode_format_type): New function.
4962 (decl_attributes): Use it.
4963 (format_kind_info): Adjust comment.
4965 2001-01-09 David O'Brien <obrien@BSDi.com>
4967 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4968 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4970 * config/i386/gnu.h: Don't include required platform specific .h files,
4971 tm.h will do it instead.
4972 * config/i386/i386elf.h: Likewise.
4973 * config/i386/linux.h: Likewise.
4974 * config/i386/moss.h: Likewise.
4975 * config/mips/gnu.h: Likewise.
4977 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4979 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4980 (rs6000-ibm-aix3.[01]*): Likewise.
4981 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4982 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4983 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4984 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4985 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4986 (powerpc-*-eabiaix*): Likewise.
4987 (powerpc-*-eabisim*): Likewise.
4988 (powerpc-*-elf*): Likewise.
4989 (powerpc-*-eabi*): Likewise.
4990 (powerpc-*-rtems*): Likewise.
4991 (powerpc-*-linux*libc1): Likewise.
4992 (powerpc-*-linux*): Likewise.
4993 (powerpc-wrs-vxworks*): Likewise.
4994 (powerpcle-wrs-vxworks*): Likewise.
4995 (powerpcle-*-sysv*): Likewise.
4996 (powerpcle-*-elf*): Likewise.
4997 (powerpcle-*-eabisim*): Likewise.
4998 (powerpcle-*-eabi*): Likewise.
4999 (powerpcle-*-solaris2*): Likewise.
5000 * config/rs6000/aix31.h: Delete includes.
5001 * config/rs6000/aix3newas.h: Likewise.
5002 * config/rs6000/aix41.h: Likewise.
5003 * config/rs6000/aix43.h: Likewise.
5004 * config/rs6000/beos.h: Likewise.
5005 * config/rs6000/rtems.h: Likewise.
5006 * config/rs6000/sysv4.h: Likewise.
5008 2001-01-09 Kazu Hirata <kazu@hxi.com>
5010 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5011 Change an argument mode of machine_mode to shift_mode of
5012 shift_mode. Remove an extra error check.
5013 (emit_a_shift): Adopt to the new calling prototype of
5015 (function_prologue): Fix code for a monitor
5016 function. Support H8/S.
5017 (function_epilogue): Do not output pop for a monitor function.
5019 2001-01-09 Nick Clifton <nickc@redhat.com>
5021 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5022 (setup_incoming_varargs): Use sysv_varargs_p field of the
5023 cfun->machine structure.
5024 (struct machine_function): Move to rs6000.h
5025 (rs6000_save_machine_status): Delete.
5026 (rs6000_restore_machine_status): Delete.
5027 (rs6000_init_machine_status): New Function.
5028 (rs6000_free_machine_status): New Function.
5029 (rs6000_init_expanders): Use new functions.
5031 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5033 (struct machine_function): Move here.
5035 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5036 sysv_varargs_p field of the cfun->machine structure.
5038 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5040 (rs6000_restore_machine_status): Remove prototype.
5042 2001-01-09 Richard Henderson <rth@redhat.com>
5044 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5045 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5046 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5047 (sched_analyze_2, sched_analyze_insn): Likewise.
5048 (sched_analyze, init_deps): Likewise.
5049 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5050 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5051 (compute_block_backward_dependences): Update propagate_deps call.
5053 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5055 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5057 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5059 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5060 (cpp_handle_option): Handle them.
5061 (cpp_post_options): Ensure one of -M or -MM is specified with
5062 any other -M? option.
5063 (init_dependency_output): Suppress output with -MG.
5065 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5068 * invoke.texi: Update.
5070 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5072 * sh.md (reload_outsf): Generate recognizable patterns for
5075 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5077 * c-lang.c (lang_hooks): Update.
5078 (lang_init): Rename c_init.
5079 (lang_finish): Remove.
5080 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5082 * toplev.h (lang_hooks): Add init () and finish ().
5083 * tree.h (lang_init, lang_finish): Remove.
5084 * cp/tree.h (lang_init, lang_finish): Remove.
5085 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5086 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5088 (lang_init, lang_finish): Remove.
5089 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5090 (lang_hooks): Update.
5091 * java/lang.c (lang_init): Rename java_init.
5092 (lang_finish): Remove.
5093 (lang_hooks): Update.
5094 * objc/objc-act.c (lang_init): Rename objc_init.
5095 (lang_finish): Remove.
5096 (lang_hoooks): Update.
5098 20001-01-09 Graham Stott <grahams@redhat.com>
5100 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5101 after `ptr` is initialised.
5103 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5105 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5106 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5107 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5108 stack adjusts, instead of r3.
5110 2001-01-09 Michael Hayes <mhayes@redhat.com>
5112 * flow.c (flow_loop_scan): Break out of ...
5113 (flow_loops_find) ... here.
5114 * basic-block.h (flow_loop_scan): New.
5115 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5116 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5118 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5120 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5122 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5123 realloc()ing macro_buffer.
5125 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5126 if it's wider than long and the target's long is wider than the
5129 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5131 Remove support for using UWIN as a host machine.
5132 * configure.in: Issue an error message.
5133 * configure: Regenerated.
5134 * config.gcc: Remove xm_* UWIN configury.
5135 * config/i386/xm-uwin.h: Remove.
5137 2001-01-08 Nick Clifton <nickc@redhat.com>
5139 * config/v850/v850.c (ra_rtx): Delete.
5140 (v850_save_machine_status): Delete.
5141 (v850_restore_machine_status): Delete.
5142 (v850_init_machine_status): New function.
5143 (v850_mark_machine_status): New function.
5144 (v850_free_machine_status): New function.
5145 (v850_return_addr): Use ra_rtx field in machine structure.
5146 (v850_init_expanders): Use new functions.
5148 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5149 * config/v850/v850.c: Change arguments to v850_output+* functions
5150 to take a const char *, to avoid compile time warning.
5151 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5152 (USER_LABEL_PREFIX): Redefine.
5154 2000-01-08 Jim Wilson <wilson@redhat.com>
5156 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5157 1 to unsigned HOST_WIDE_INT before left shift.
5159 2001-01-08 Nick Clifton <nickc@redhat.com>
5161 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5162 the machine structure has been allocated.
5163 (arm_free_machine_status): New function: Free the machine
5164 specific function structure.
5166 2001-01-08 Richard Henderson <rth@redhat.com>
5168 * jump.c (simplejump_p): Revert last change.
5170 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5172 * cppinit.c (init): Rename init_library.
5173 (cpp_create_reader): Update.
5174 * gcc.c (cpp_options): If -o given, use it as the target of
5177 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5179 * arm.c (arm_arch5e): New variable.
5180 (all_cores): XScale is a 5TE device.
5181 (arm_override_options): Set arm_arch5e.
5182 (arm_init_builtins): __builtin_prefetch is in arch5e.
5183 * arm.h (arm_arch5e): Declare it.
5185 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5187 * arm.md (define_constants): Add defines for UNSPEC and
5188 UNSPEC_VOLATILE insns. Update all users.
5189 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5190 * arm.c (multi_register_push, note_invalid_constants)
5191 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5192 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5193 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5195 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5197 * jump.c (jump_optimize_1): Use reversed_comparison_code
5198 instead of can_reverse_comparison_p.
5199 (jump_back_p): Likewise.
5200 (invert_exp_1): Likewise.
5201 (thread_jumps): Likewise.
5202 * simplify-rtx.c (simplify_unary_operation): Likewise.
5203 (simplify_ternary_operation): Likewise.
5204 * cse.c (find_comparison_args): Convert to use
5205 can_reverse_comparison_p.
5206 (record_jump_equiv): Likewise.
5208 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5210 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5211 (EPILOGUE_USES): Define.
5212 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5213 automatically stack the LR if it isn't live.
5215 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5217 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5220 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5222 * ggc-page.c (max_alignment): New structure.
5223 (MAX_ALIGNMENT): New macro.
5224 (init_ggc): Use it to round up the sizes in the
5225 extra_order_size_table.
5227 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5229 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5232 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5234 * builtins.def (BUILT_IN_FPRINTF): New entry.
5236 * c-common.c (c_expand_builtin_fprintf): New function.
5237 (init_function_format_info): Handle __builtin_fprintf.
5238 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5239 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5241 * c-decl.c (duplicate_decls): Adjust comment.
5243 * extend.texi (fprintf): Document new builtin.
5245 2001-01-07 Richard Henderson <rth@redhat.com>
5247 * jump.c (simplejump_p): Recognize any single_set jump
5250 2001-01-07 Richard Henderson <rth@redhat.com>
5252 * configure.in (slibdir): Accept an --with-slibdir option.
5253 Use "test" not "[" in configure. Default to $(libdir).
5255 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5257 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5258 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5259 (SHLIB_LINK): Create links for the soname.
5260 * config/mips/t-iris6: Likewise.
5261 * config/sparc/t-slibgcc: Likewise.
5262 * config/sparc/t-slibgcc-sld: Likewise.
5264 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5266 * config/i386/i386.c (constant_call_address_operand): Accept
5267 (const (plus (symbol_ref) (const_int))).
5268 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5269 constant_call_address_operand.
5271 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5273 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5274 and LONG_LONG_TYPE_SIZE > 32.
5276 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5278 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5279 the previous change.
5281 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5283 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5285 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5286 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5287 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5290 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5292 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5294 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5296 * c-lang.c (c_post_options): Call cpp_post_options.
5297 * objc/objc-act.c (objc_post_options): Similarly.
5298 * cppmain.c (main): Similarly.
5299 * fix-header.c (read_scan_file): Similarly.
5300 * cppinit.c (cpp_start_read): Move option consistency checks
5301 to cpp_post_options. Don't call init_dependency_output.
5302 If needed, add default target and main file dependency.
5303 (OPT_MD, OPT_MMD): Remove.
5305 (cpp_handle_option): Update for OPT_* changes.
5306 (cpp_post_options): New.
5307 (init_dependency_output): Command line -MF overrides environment
5308 variables. Don't set default target etc. Suppress output
5309 if dependencies are going to stdout.
5310 (print_help): Update.
5311 * cpplib.h (cpp_post_options): New.
5312 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5314 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5316 * jump.c (comparison_dominates_p): Support unordered compares.
5318 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5320 * simplify-rtx.c (simplify_relational_operation): Always simplify
5321 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5324 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5326 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5327 (nonzero_bits): Likewise.
5328 (simplify_comparison): Likewise.
5329 (num_sign_bit_copies): Likewise; return more sane value depending
5330 on STORE_FLAG_VALUE.
5331 (known_cond): Do not assume EQ to be always true for equivalent
5334 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5336 * cse.c (fold_rtx): Handle unordered comparisons.
5338 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5340 * rtlanal.c (set_of_1): New static function.
5341 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5342 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5343 reg_set_last_last_regno): Remove.
5344 (set_of): New global function.
5345 (set_of_data): New structure.
5346 (reg_set_p, reg_set_last): Revamp for set_of.
5347 * rtl.h (set_of): New.
5349 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5351 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5352 * extend.texi: Document _Exit builtin.
5354 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5356 * (initialize, initialize_builtins,
5357 initialize_dependency_output, initialize_standard_includes):
5358 Rename s/initialize/init. Update.
5359 (init_dependency_output): Move to after
5360 cpp_handle_options, the correct location temporally at least.
5361 (opt_comp): Move next to init (), its caller. Fix prototype.
5362 (init): Make "initialized" local scope.
5363 (cpp_create_reader): Always call init ().
5364 (cpp_start_read): Update.
5365 (output_deps): New function, broken out of cpp_finish.
5366 (cpp_finish): Break out output_deps.
5368 2001-01-07 Richard Henderson <rth@redhat.com>
5370 * collect2.c (COFF specific stuff): Revert 12-06 patch
5371 to prototype system functions.
5373 2001-01-07 Michael Hayes <mhayes@redhat.com>
5375 * hard-reg-set.h: Add multiple include guard.
5376 * basic-block.h (struct loop): Add `sink' field.
5377 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5378 (emit_iv_add_mult): Delete.
5379 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5380 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5381 (unroll_loop): Remove end_insert_before argument.
5382 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5383 (maybe_eliminate_biv_1): Likewise.
5384 (emit_iv_add_mult): Delete.
5385 (gen_add_mult, loop_regs_update): New.
5386 (loop_insn_emit_after, loop_insn_emit_before): New.
5387 (loop_insn_sink, loop_insn_sink_or_swim): New.
5388 (emit_iv_add_mult): Delete.
5389 (scan_loop): Set loop->sink.
5390 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5391 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5392 (maybe_eliminate_biv_1): Likewise.
5393 (maybe_eliminate_biv_1): Add basic block argument.
5394 * unroll.c (unroll_loop): Remove end_insert_before argument.
5395 (find_splittable_regs): Likewise.
5396 (find_splittable_regs): Use loop_insn_sink and its ilk.
5397 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5399 2001-01-07 Michael Hayes <mhayes@redhat.com>
5401 * loop.h (loop_insn_hoist): New prototype.
5402 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5403 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5404 (check_dbra_loop, load_mems): Likewise.
5405 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5406 (find_splittable_givs): Likewise.
5408 2001-01-07 Michael Hayes <mhayes@redhat.com>
5410 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5412 2001-01-07 Richard Henderson <rth@redhat.com>
5414 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5416 2001-01-07 Richard Henderson <rth@redhat.com>
5418 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5419 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5420 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5421 variant that handles a shared libgcc.
5422 (process_command): Always validate -{static,shared}-libgcc.
5423 (do_spec_1): New 'M' case.
5424 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5426 2001-01-07 Richard Henderson <rth@redhat.com>
5428 * Makefile.in (slibdir): New variable.
5429 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5430 (installdirs): Create slibdir.
5431 (install-libgcc, install-multilib): Defer to libgcc.mk.
5432 * configure.in (slibdir): Substitute.
5433 * mklibgcc.in (install): New target.
5435 * config/t-linux (SHLIB_LINK): Create links for the soname.
5436 (SHLIB_INSTALL): New.
5437 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5438 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5439 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5440 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5441 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5443 2001-01-07 Richard Henderson <rth@redhat.com>
5445 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5446 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5447 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5449 2001-01-07 Michael Hayes <mhayes@redhat.com>
5451 * loop.c (count_loop_regs_set): Delete.
5452 (load_mems_and_recount_loop_regs_set): Delete.
5453 (loop_regs_scan): Merge common code from count_loop_regs_set,
5454 scan_loop, and load_mems_and_recount_loop_regs_set.
5455 (scan_loop): Call load_mems directly and loop_regs_scan
5456 again if new registers created.
5458 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5460 * toplev.c (main): Call the front-end specific post_options
5461 hook if one is given.
5462 * toplev.h (struct_lang_hooks, lang_hooks): New.
5463 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5464 for the C front end.
5465 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5466 lang_hooks for the C++ front end.
5467 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5468 lang_hooks for the ObjC front end.
5469 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5470 * java/lang.c (lang_hooks): Hooks for the Java front end.
5472 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5474 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5475 for verbose DWARF[2] debugging.
5476 (cb_define, cb_undef): The new callbacks.
5477 * toplev.h (debug_define, debug_undef): Make const correct.
5478 * toplev.c (debug_define, debug_undef): Similarly. Do not
5479 perform the verbosity tests here anymore.
5481 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5483 * reload.c (subst_reloads): Take INSN argument. When
5484 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5485 * reload.h (subst_reloads): Adjust prototype.
5486 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5487 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5488 present in JUMP_INSNs and copy them to JUMP_LABEL.
5489 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5490 JUMP_INSNs and insns with REG_LABELs that are followed by
5491 JUMP_INSNs with the same REG_LABEL.
5492 * sched-rgn.c (is_cfg_nonregular): Likewise.
5493 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5495 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5497 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5499 2001-01-06 Richard Henderson <rth@redhat.com>
5501 * loop.c (scan_loop): Use xcalloc for the regs array.
5502 (load_mems_and_recount_loop_regs_set): Zero the new memory
5503 received from xrealloc.
5505 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5507 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5509 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5511 * integrate.c (copy_rtx_and_substitute): When copying
5512 an ignored return value, strip REG_FUNCTION_VALUE_P.
5514 2001-01-06 Michael Hayes <mhayes@redhat.com>
5516 * loop.c (debug_biv, debug_giv): New.
5517 (loop_biv_dump): Break out from ...
5518 (record_biv): ... here.
5519 (loop_giv_dump): Break out from ...
5520 (record_giv): ... here.
5521 (loop_bivs_check): Use print_simple_rtl.
5522 * unroll.c (loop_iterations): Use print_simple_rtl.
5524 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5526 * pa.md (return, return_internal): Modify patterns to prevent regrename
5527 mucking with the return pointer.
5529 2001-01-05 Richard Henderson <rth@redhat.com>
5531 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5533 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5535 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5536 version supplied by Matteo Frigo.
5538 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5540 * cpp.texi: Update for -MQ.
5541 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5542 (cpp_cleanup): Always free pfile->deps.
5543 (initialize_dependency_output): Don't create pfile->deps.
5544 (cpp_handle_option): Similarly.
5546 * gcc.c (cpp_options): Handle -MQ.
5547 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5548 * mkdeps.c (base_name): Remove.
5549 (deps_init): Don't allocate vector space until it's needed.
5550 (deps_free): Only free vectors if allocated.
5551 (deps_add_target, deps_add_dep): Update for initial allocation.
5552 (deps_add_default_target): Don't strip to the base_name.
5554 2001-01-05 DJ Delorie <dj@redhat.com>
5556 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5557 (INIT_EXPANDERS): Define.
5559 * config/v850/v850.c (struct machine_function): Define.
5560 (v850_save_machine_status): New function.
5561 (v850_restore_machine_status): New function.
5562 (v850_return_addr): New function.
5563 (v850_init_expanders): New function.
5565 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5566 and v850_init_expanders.
5568 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5570 * cpplib.h (struct cpp_reader): Add help_only field.
5571 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5572 (cpp_handle_option): Set pfile->help_only if we see -h,
5573 --help, -target-help, or --version. Print version string but
5574 do not set help_only if we see -v or -version. Make text
5575 printed by -v match that printed by (-)-version.
5577 * cppmain.c (main): Exit after option parsing if
5578 pfile->help_only is true.
5580 * toplev.c (independent_decode_option): Call print_version,
5581 then exit, if we see --version (but not -version).
5582 (print_version): Split lengthy message into two lines.
5584 2001-01-05 Nick Clifton <nickc@redhat.com>
5586 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5587 temporary string for initialisation before calling ggc_alloc_string.
5589 2001-01-06 Michael Hayes <mhayes@redhat.com>
5591 * rtl.h (print_simple_rtl): New.
5592 * print-rtl.c (print_simple_rtl): New.
5594 (print_rtx): Disable printing of flags and modes, etc.,
5595 if `flag_simple` nonzero.
5597 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5599 * function.c (fixup_var_refs): Use push_to_full_sequence where
5602 2001-01-05 Michael Meissner <meissner@redhat.com>
5604 * flags.h (flag_reorder_blocks): Add declaration.
5605 (flag_rename_block): Ditto.
5607 2001-01-05 DJ Delorie <dj@redhat.com>
5609 * function.c (reorder_blocks): Make sure the flags are all reset
5610 before using them to mark blocks, else a second invocation will
5611 corrupt the block chain.
5612 (reorder_blocks_0): New, resets the flags.
5614 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5616 * cse.c (find_comparison_args): Stop if the argument is known to
5619 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5621 * config/sh/sh.md (movdf): When splitting load into pair of
5622 registers, don't clobber the register used in the address too
5625 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5627 * varasm.c (mark_constant_pool): Improve initial comments.
5628 (mark_constants): Move marking of constants to mark_constant.
5629 (mark_constant): New function to recursively mark all constants
5630 referred to by a constant.
5632 2001-01-05 Catherine Moore <clm@redhat.com>
5634 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5636 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5638 * cp/lang-options.h: Bring comment in line with reality.
5639 * f/lang-options.h: Likewise.
5640 * java/lang-options.h: Likewise.
5641 * objc/lang-options.h: Likewise.
5642 * ch/lang-options.h: Likewise.
5643 * f/g77.texi: And update the manual.
5645 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5646 Denis Chertykov <denisc@overta.ru>
5648 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5649 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5650 * config/avr/avr.md (all peepholes that request a scratch register):
5651 Call it, FAIL the peephole if not safe (in interrupt functions).
5653 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5655 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5657 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5659 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5661 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5662 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5663 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5664 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5665 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5667 * extend.texi: Document these builtins.
5669 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5671 * c-common.c (lang_get_alias_set): Say we know nothing of
5672 VECTOR_TYPE aliasing.
5674 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5676 2001-01-05 Bruce Korb <bkorb@gnu.org>
5678 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5679 their x* equivalent versions for atexit-less systems
5680 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5681 systems (or any other system any more).
5683 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5685 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5686 output operands. Use arm_hard_register_operand for operand 4.
5687 (stmsi_postinc): Similarly.
5688 (ldmsi): Use arm_hard_register_operand for opernand 2.
5690 * arm.c (arm_hard_register_operand): New function.
5691 * arm-protos.h (arm_hard_register_operand): Prototype it.
5693 * arm.h (HARD_REGNO_RENAME_OK): Define.
5695 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5697 * simplify-rtx.c (cfc_args): add "unordered" field.
5698 (check_fold_consts): Set unordered field.
5699 (simplify_relational_operation): Simplify the unordered
5702 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5705 * emit-rtl.c (try_split): Fix code to mark labels.
5706 * jump.c (mark_jump_label): Make global.
5707 * rtl.h (mark_jump_label): Declare.
5709 * predict.c (estimate_probability): Handle unordred comparisons.
5711 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5713 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5714 * cppinit.c (initialize_dependency_output): Update.
5715 (cpp_finish): Output dummy targets for -MP.
5717 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5718 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5719 * gcc.c (cpp_options): Update to handle -MP.
5720 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5721 to quote only the default target.
5722 (deps_phony_targets): Insert a preceding newline. Rename from
5723 deps_dummy_targets for consistency.
5726 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5728 * calls.c (emit_library_call_value_1): Support
5729 INIT_CUMULATIVE_LIBCALL_ARGS.
5730 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5732 2001-01-04 Richard Henderson <rth@redhat.com>
5734 * c-decl.c (finish_struct): Detect flexible array members
5735 used in an inappropriate context.
5736 * c-typeck.c (really_start_incremental_init): Special case
5737 constructor_max_index for zero length arrays.
5738 (pop_init_level): Allow initialization of flexible array
5739 members. Deprecate initialization of zero length arrays.
5740 Don't issue missing initializer warning for flexible array
5741 members or zero length arrays.
5742 (process_init_element): Don't dereference null DECL_SIZE.
5743 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5744 Don't abort for empty constructors. Use size_binop
5745 (output_constructor): Add commentary regarding zero length
5746 array futures. Abort if we try to initialize an array of
5747 unspecified length with a non-empty constructor in the middle
5750 * extend.texi (Zero Length): Update and clarify documentation
5751 on static initialization.
5753 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5755 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5756 with more than 32767 words of local storage.
5758 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5760 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5761 for 'abs', 'labs', and 'fabs'.
5762 (c4x_expand_builtin): Likewise.
5763 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5765 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5767 * config/sh/sh.md (prget, prset): New insn types.
5768 (return delay slot): Dont' allow prset.
5769 (call, sfunc delay slot): Don't allow prget.
5770 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5771 for prset and prget.
5773 2001-01-05 Michael Hayes <mhayes@redhat.com>
5775 * loop.h (struct loop_reg): New.
5776 (struct loop_regs): Change to use array of `struct loop_reg'.
5777 * loop.c: Replace assortment of varrays with single regs array.
5778 (count_one_set): Delete may_not_move array argument
5779 and use regs array instead. All caller's changed.
5780 (count_loop_regs_set): Delete may_not_move and single_usage
5781 arguments and use regs array instead. All caller's changed.
5782 (find_single_use_in_loop): Replace usage array argument with pointer
5783 to regs structure. All caller's changed.
5784 (loop_optimize): Delete `moved_once' array.
5786 2001-01-05 Michael Hayes <mhayes@redhat.com>
5788 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5789 Use it instead of loop_info->has_call for scanning loop mems.
5790 (check_dbra_loop): Replace loop_info->has_call test with
5791 loop_info->has_nonconst_call.
5793 2000-01-04 Matthew Hiller <hiller@redhat.com>
5795 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5798 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5800 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5801 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5803 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5805 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5806 (flag_short_double, flag_short_wchar): Define.
5807 (c_common_nodes_and_builtins): Create many tree nodes shared
5808 between C and C++ here instead of in cp/decl.c and ...
5809 * c-decl.c (init_decl_processing): ... here.
5810 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5811 (flag_short_double, flag_short_wchar): Don't define.
5812 (record_builtin_type): New function.
5813 (build_void_list_node): New function.
5814 * c-common.h (flag_short_double, flag_short_wchar,
5815 record_builtin_type, build_void_list_node): Declare.
5817 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5819 * integrate.c (expand_inline_function): Don't put a virtual
5820 register into the reg map.
5822 * function.c (fixup_var_refs_1): If force_operand didn't put
5823 the address into the target, move it there.
5825 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5827 Special-case tree_decl/tree_list allocations.
5828 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5829 (OBJECT_SIZE): New macro.
5830 (NUM_EXTRA_ORDER): Likewise.
5831 (extra_order_size_table): New variable.
5832 (NUM_ORDERS): New macro.
5833 (objects_per_page_table): New variable.
5834 (object_size_table): New variable.
5835 (G.pages): Use NUM_ORDERS to bound the array.
5836 (G.page_tails): Likewise.
5837 (DIV_ROUND_UP): Remove.
5838 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5839 (alloc_page): Use OBJECT_SIZE.
5840 (size_lookup): Don't make it const.
5841 (ggc_alloc): Use OBJECT_SIZE.
5842 (ggc_set_mark): Likewise.
5843 (ggc_get_size): Likewise.
5844 (init_ggc): Set up the object_size_table, objects_per_page_table,
5845 and adjust size_lookup.
5846 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5847 (ggc_pop_context): Use NUM_ORDERS.
5848 (clear_marks): Likewise.
5849 (sweep_pages): Likewise.
5850 (poison_pages): Likewise.
5851 (ggc_print_statistics): Use OBJECT_SIZE.
5853 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5855 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5856 Only call array_size_for_constructor if last field and array type
5857 with no upper bound.
5859 2001-01-04 Philip Blundell <philb@gnu.org>
5861 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5862 from bit 31 downwards, if this requires no more insns.
5863 (count_insns_for_constant): New helper function for above.
5865 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5867 * gencodes.c (output_predicate_decls): Remove empty initializer.
5869 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5871 * tree.c (copy_node): Remove documentation about obstacks.
5872 (buidl1): Check that nobody tries to build 2-argument nodes this
5875 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5877 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5880 * gencodes.c (output_predicate_decls): Fill empty initializer
5883 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5885 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5886 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5888 (do_include): Handle missing headers like cpp0.
5889 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5890 paths with first include pathname. Don't strcat to uninitialized
5893 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5895 * regrename.c (regrename_optimize): Don't rename from frame pointer
5896 if frame_pointer_needed.
5897 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5898 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5899 (ia64_reorg): Use it instead of scheduling if ! optimize.
5900 (errata_emit_nops): Properly call asm_noperands.
5901 (ia64_sched_reorder): Finish cycle if we see an asm.
5902 (ia64_variable_issue): Clear scheduling state after asms.
5904 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5906 * cpp.texi: Update for -MT.
5907 * cppinit.c (initialize_dependency_output): Add a default
5908 target if none has been given already.
5909 (no_tgt, OPT_MT): New.
5910 (cpp_handle_option): Handle -MT. Update -M etc.
5911 * cpplib.h (struct cpp_options): Remove deps_target.
5912 * gcc.c (cpp_options): Handle -MT.
5913 * mkdeps.c (struct deps): Move from mkdeps.h.
5914 (deps_calc_target): Rename deps_add_default_target. Add a
5915 default target if none has been specified already.
5916 * mkdeps.h (struct deps): Move to mkdeps.c.
5917 (deps_calc_target): Rename deps_add_default_target.
5919 2000-01-03 Richard Henderson <rth@redhat.com>
5921 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5923 * c-typeck.c (push_init_level): Move checks for flexible array
5924 members and zero length arrays ...
5925 (pop_init_level): ... here. Silently discard empty initializations.
5927 * varasm.c (output_constructor): Update for sizeof change to
5930 * extend.texi (Zero Length): Clarify semantics.
5932 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5934 * configure.in (tm.h): Include isns-codes.h last.
5935 * configure: Rebuilt.
5937 2001-01-03 Richard Henderson <rth@redhat.com>
5939 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5940 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5942 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5944 * tradcpp.c (main): Make sure finclude() is called with a valid
5945 indepth value while handling -include.
5947 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5949 * gencodes.c (output_predicate_decls): New function.
5951 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5952 even if it is not the first time machmode.h is #included.
5953 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5954 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5955 * gcc.texi (Copyright): Added 2001.
5957 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5959 * c-common.c (c_common_lang_init): New function. Warn if format
5960 warning options which only have effects when used with -Wformat
5961 are used without -Wformat.
5962 * c-common.h (c_common_lang_init): Declare.
5963 * c-lang.c (lang_init): Call c_common_lang_init.
5964 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5966 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5968 * configure.in: Check for the mktemp command.
5969 * configure: Regenerate.
5970 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5971 $TEMP. Create temporary files with mktemp, if available at
5972 configure time; otherwise use set -C. Remove temporary files
5975 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5977 * configure.in: Require at least texinfo 4.0. Check for whether
5978 Pod::Man is sufficiently recent to regenerate GCC manpages.
5979 * configure: Regenerate.
5980 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5982 (GENERATED_MANPAGES): Define.
5983 (generated-manpages): New target. Depend on cpp.1 as well as
5985 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5986 configure to generated-manpages or empty) rather than on the
5987 manpages directly. Remove execute permission from installed
5988 gcov.1 as well as cpp.1.
5989 * cpp.1, gcov.1: Regenerate.
5991 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5993 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5994 tree_low_cst. Allow using cmpstrsi in more cases.
5996 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5998 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6001 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6003 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6004 * Makefile.in (HOST_CFLAGS): Mention build-make.
6006 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6008 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6011 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6013 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6016 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6019 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6020 reg_base_value and reg_known_value arrays.
6021 (init_alias_analysis): Add more cases to detect known values.
6022 * sched-deps.c (deps_may_trap_p): New function.
6023 (sched_analyze_2): Use it.
6025 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6027 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6028 don't discard an ASHIFTRT if we're shifting in a wider mode.
6030 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6032 * toplev.c (rest_of_compilation): Don't print basic block information
6033 when CFG isn't up to date.
6035 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6037 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6038 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6039 (UNALIGNED_SHORT_ASM_OP): Define.
6040 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6042 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6044 * fold-const.c (fold_convert): Fix typo.
6046 2001-01-02 Richard Henderson <rth@redhat.com>
6048 * c-common.h (ASM_INPUT_P): New.
6049 * c-parse.in (asm): Set it when needed.
6050 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6051 existance of an operand.
6053 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6055 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6056 (dwarf2out_frame_debug_expr): Likewise.
6057 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6059 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6061 * i386.c (ix86_split_to_parts): Return number of part required;
6063 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6065 (ix86_split_long_move): Use number of part returned
6066 by ix86_split_to_parts
6067 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6069 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6070 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6071 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6072 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6073 (ALIGN_MODE_128): Add TFmode.
6074 (IS_STACK_MODE): Likewise.
6075 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6076 (HARD_REGNO_OK): Support TFmodes.
6077 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6078 * i386.md (scheduler definitions): Use memory operand to determine
6079 fst/fld instructions; use mode attribute to determine real mode of
6081 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6082 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6084 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6086 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6088 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6090 * expr.c (store_constructor_field): Update ALIGN before calling
6093 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6095 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6098 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6100 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6103 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6105 * c-decl.c (start_function): Don't warn on third parameter to main.
6107 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6109 * tsystem.h: Define HAVE_DECL_GETOPT.
6111 2001-01-02 Philip Blundell <pb@futuretv.com>
6113 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6116 2001-01-02 Richard Henderson <rth@redhat.com>
6118 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6120 2001-01-02 Andreas Jaeger <aj@suse.de>
6122 * c-decl.c (c_decode_option): Remove support of
6125 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6126 (W_options): Add -Wmissing-noreturn here.
6128 * flow.c: Define lang_missing_noreturn_ok_p.
6129 (check_function_return_warnings): Use it.
6131 * c-common.h: Declare lang_missing_noreturn_ok_p.
6133 * c-lang.c (c_missing_noreturn_ok_p): New function.
6134 (lang_init): Set lang_missing_noreturn_ok_p.
6136 * invoke.texi (Warning Options): Document this.
6138 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6140 * extend.texi (C++ Extensions): New node for C++ attributes;
6141 describe init_priority and com_interface.
6142 * invoke.texi: Remove -finit-priority as it now has zero effect.
6143 * install.texi: Fix xref syntax.
6144 * md.texi: Likewise.
6146 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6148 * config.gcc (sparc64-wrs-vxworks*): New case.
6149 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6151 * config/sparc/sparc.c (sparc_override_options): Do support different
6152 pointer and architecture size.
6153 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6154 (POINTERS_EXTEND_UNSIGNED): Define.
6155 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6156 (FUNCTION_MODE): Define to be Pmode.
6157 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6159 * function.c (expand_function_end): Properly handle DECL_RESULT
6160 and copy when ptr_mode != Pmode.
6161 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6163 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6165 * c-common.c (c_common_nodes_and_builtins): Set prototype
6166 parameters for __builtin_fputs, __builtin_fputc and
6167 __builtin_fwrite. Don't declare plain fputc as a builtin.
6169 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6171 * loop.c (add_label_notes): Increment the label usage count when
6172 a note is added to an insn which refers to a CODE_LABEL.
6173 * gcse.c (add_label_notes): Likewise.
6175 2001-01-01 Andreas Jaeger <aj@suse.de>
6177 * loop.c (scan_loop): Use xmalloc to allocate movables.
6179 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6181 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6182 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6183 * reload1.c (REGISTER_MOVE_COST): Likewise.
6184 * regclass.c (REGISTER_MOVE_COST): Likewise.
6185 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6186 dimension. Adjust all users.
6187 (init_reg_sets_1): Iterate on all modes.
6188 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6189 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6190 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6191 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6192 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6193 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6194 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6195 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6196 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6197 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6198 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6199 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6200 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6201 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6202 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6203 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6204 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6205 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6206 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6207 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6208 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6209 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6210 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6211 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6212 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6213 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6214 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6216 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6218 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6219 arg VARIES_P. Call it with extra arg.
6220 (true_dependence): Likewise.
6221 * rtl.h (rtx_addr_can_trap_p): Declare.
6222 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6224 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6225 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6226 pic offset table register if it's zero. All callers changed.
6227 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6229 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6231 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6232 STRING_POOL_ADDRESS_P.
6234 * config/sparc/sparc.c (input_operand): Properly test for short op.
6236 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6237 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6238 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6239 * config/sparc/elf.h: No longer include sol2.h.
6240 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6241 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6243 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6245 2001-01-01 Michael Hayes <mhayes@redhat.com>
6247 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6248 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6249 (record_initial): Likewise.
6250 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6251 (remap_split_bivs): Likewise.
6253 2001-01-01 Michael Hayes <mhayes@redhat.com>
6255 * loop.c (loop_ivs_free): New function.
6256 (strength_reduce): Break out from...
6258 2001-01-01 Michael Hayes <mhayes@redhat.com>
6260 * loop.h (struct iv): New.
6261 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6262 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6263 'reg_biv_class' fields with 'regs' and 'n_regs'.
6264 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6265 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6266 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6268 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6270 * resource.c (mark_referenced_resources): Abort() before
6271 attempting to mark a pseudo register.
6272 (mark_set_resources): Likewise.
6274 2001-01-01 Michael Hayes <mhayes@redhat.com>
6276 * loop.h (REG_IV_CLASS): New accessor macro.
6277 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6278 * unroll.c (REG_IV_CLASS): Likewise.
6280 See ChangeLog.4 for earlier changes.