1 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3 * cppfiles.c (stack_include_file): Only increase the include
4 count if we actually process the file properly, as opposed
5 to treating it as length zero. Only call read_include_file
6 if not DO_NOT_REREAD. Handle the -H include file output
8 (read_include_file): Remove now redundant DO_NOT_REREAD check.
9 (cpp_included, find_include_file): Simplify pathnames after
10 remapping them. If remapping, don't use the remapped file
11 name's buffer as our scratch buffer.
12 (cpp_pop_file_buffer): Replace the multiple include macro
13 only if it isn't yet set.
14 (read_name_map): Simplify remapped names when reading in.
15 (remap_filename): Move code to code path that uses it.
16 (_cpp_simplify_pathname): Return the input pointer.
17 * cpphash.h (_cpp_simplify_pathname): Update prototype.
19 2001-03-14 Mark Mitchell <mark@codesourcery.com>
21 * expr.c (expand_expr): Revove bogus conditional.
23 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
25 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
27 2001-03-14 Jakub Jelinek <jakub@redhat.com>
29 * reg-stack.c (stack_result): Unconditionally use
30 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
32 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
34 * expr.c (emit_move_insn_1): Split push of complex value when
35 no suitable push instruction exist.
37 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
40 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
42 * alias.c (handled_component_p, can_address_p): New functions.
43 (get_alias_set): Use them.
45 2001-03-13 Jim Wilson <wilson@redhat.com>
47 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
48 from 80 in try_locals code.
49 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
51 2001-03-13 Zack Weinberg <zackw@stanford.edu>
53 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
54 gcc_AC_C_LONG_LONG): New.
55 * configure.in: Use them. Probe the size of short, int, long,
56 and long long/__int64 if we have them. Move all the AC_C_*
57 checks together, except gcc_AC_C_CHAR_BIT which has to go
58 after AC_CHECK_HEADERS(limits.h).
59 Take hwint.h out of host_xm_file and build_xm_file.
61 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
62 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
63 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
64 Move the HOST_WIDEST_INT setup logic here from system.h.
65 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
67 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
68 is now handled by hwint.h.
70 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
71 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
72 config/ia64/xm-ia64.h: Don't define any of:
73 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
74 HOST_BITS_PER_LONGLONG.
76 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
77 config/h8300/xm-h8300.h, config/mips/iris6.h,
78 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
79 config/sparc/xm-sp64.h: Delete.
80 * config.gcc: Remove references to deleted files.
82 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
83 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
84 * config/i370/xm-linux.h: Clarify floating-point situation in
87 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
89 * cppfiles.c (NO_INCLUDE_PATH): New macro.
90 (find_include_file): Decide here which part of the include
91 chain to start the search. Complain about an empty include
92 chain in all cases apart from an abolsute file name.
93 (_cpp_execute_include): Don't choose the search chain here.
94 Don't call handle_missing_include in the case of an empty
96 (_cpp_compare_file_date): Don't choose the search chain here.
97 * cpplib.c (do_include_next): Move the in-main-file diagnostic
98 here from _cpp_execute_include. Behave like #include if
99 we're in the main file.
101 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
103 * system.h (malloc, realloc, calloc, strdup): Only poison these
104 tokens when IN_GCC is defined.
106 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
108 * i386.md (abs?f expander): Support SSE case.
109 (abd?f_if): Add new "USE"; add splitters.
111 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
113 * cpp.texi (poison): Explain the macro expansion exception.
115 2001-03-13 Jakub Jelinek <jakub@redhat.com>
117 * expr.c (store_expr): Add dont_store_target. If temp is already in
118 target before copying to reg, don't store it into target again.
120 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
122 * cppinternals.texi: Update for file handling.
124 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
126 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
127 2001-02-24 which broke building the Java library.
128 * function.c (identify_blocks): Likewise.
129 (all_blocks): Likewise.
130 * integrate.c (integrate_decl_tree): Likewise.
131 * print-tree.c (print_node): Likewise.
132 * tree.h (BLOCK_NUMBER): Likewise.
133 (struct tree_block): Likewise.
135 2001-03-12 David Edelsohn <edelsohn@gnu.org>
137 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
138 __WCHAR_TYPE__ definition.
139 (WCHAR_TYPE_SIZE): #undef before #define.
141 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
143 * cppfiles.c: Update comments.
144 (destroy_include_file_node): Rename destroy_node.
145 (find_or_create_entry): New function.
146 (open_file, _cpp_fake_include): Use it.
147 (handle_missing_header): New function, broken out of
148 _cpp_execute include. Don't segfault if there is no
149 system or quoted path.
150 (_cpp_execute_include): Use handle_missing_header.
152 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
154 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
155 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
157 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
159 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
160 unless anti_dependence says they are.
161 * alias.c (objects_must_conflict): If neither has a type specified,
164 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
165 David Billinghurst <David.Billinghurst@riotinto.com>
167 * config/mips/iris5.h: Change WCHAR_TYPE to int.
169 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
171 * i386.md (trunctfdf2_2): Rename missnamed pattern.
172 (*_one_bit): Remove type on the match_operand in attributes.
174 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
176 * i386.c: Commit forgotten hunk in previous patch.
177 (regclass_map): Add extended registers.
178 (dbx_register_map): Add missing frame register.
180 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
182 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
184 * i386.md (x86_sahf_1): Disable for 64bit.
185 (popsi*, pophi*): Likewise.
186 (pushqi, pushhi): Likewise.
187 (movdi, pushdi): Likewise.
188 (zero extend DImode splitter): Likewise.
189 (adddi, minusdi splitter): Likewise.
190 (umulsidi): Likewise.
192 (mulsidi): Disable for 64bit
193 (lshift:DI/ashift:DI): Disable for 64bit.
194 (loop patterns): Likewise.
195 (call_pop, call_value_pop expanders and patterns): Likewise.
196 (prologue_get_pc): Likewise.
198 (fcmovDI pattern and splitter): Likewise.
199 (movdfcc_1_rex64): New.
201 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
203 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
204 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
205 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
206 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
207 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
208 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
209 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
210 (PUSH_ROUNDING): x86_64 rounds to 64bits.
211 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
212 (REGPARM_MAX): Set to 6 for x86_64.
213 (SSE_REGPARM_MAX): Set to 16 for x86_64.
214 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
217 * (patterns that does use upper halves): Update constraints
218 'q' to 'Q' and 'r' to 'R'.
219 (cmpqi_ext_1): Disable for 64bit.
220 (cmpqi_ext_3_insn): Likewise.
221 (movqi_extzv_1): Likewsie.
222 (addqi_ext_1): Liekwsie
223 (testqi_ext_1): Liekwsie
224 (andqi_ext_1): Liekwsie
225 (xorqi_ext_1): Liekwsie
226 (cmpqi_ext_1_rex64): New.
227 (cmpqi_ext_3_insn_rex64): Likewise.
228 (movqi_extzv_1_rex64): Likewsie.
229 (addqi_ext_1_rex64): Liekwsie
230 (testqi_ext_1_rex64): Liekwsie
231 (andqi_ext_1_rex64): Liekwsie
232 (xorqi_ext_1_rex64): Liekwsie
234 2001-03-11 Zack Weinberg <zackw@stanford.edu>
236 * configure.in: Move check for unsigned enumerated bitfields
237 to macro in aclocal.m4. Disable it for now.
238 * configure, config.in: Regenerate.
239 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
240 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
241 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
242 kind above its first use.
244 * config/xm-interix.h, config/alpha/xm-alpha.h,
245 config/i370/xm-linux.h, config/i386/xm-beos.h,
246 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
247 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
248 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
249 Don't define ONLY_INT_FIELDS under any circumstances.
251 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
253 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
254 config/sparc/xm-sysv4.h: Delete - now identical with some
256 * config.gcc (hppa targets): Replace xm-pahpux.h and
257 xm-papro.h with implicit xm-pa.h.
258 (sparc targets): Replace xm-sysv4.h with implicit or explicit
261 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
263 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
264 before reload_cse_noop_set_p.
266 2001-03-11 Zack Weinberg <zackw@stanford.edu>
268 * config.gcc: Where xm-host.h used to include another
269 xm-host.h, list the nested header directly in xm_file. Remove
270 references to deleted files. Can now use sparc/xm-sp64.h for
273 * config/xm-linux.h, config/arm/xm-linux.h,
274 config/i386/xm-dos.h, config/i386/xm-gnu.h,
275 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
276 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
277 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
278 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
281 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
282 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
283 bother to wrap #undef in #ifdef.
284 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
285 Don't include xm-linux.h.
286 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
288 * configure.in: Wrap regexps using [] in changequote block.
289 Use expr : not echo | grep. Simplify regexps.
290 * configure: Regenerate.
292 56 xm-files remain, 22 xm-arch.
294 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
296 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
297 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
298 (local_index, local_rindex): Delete, use strchr/strrchr instead.
299 (copy_object): Fix format specifier vs argument mismatch.
301 * mips-tdump.c: Make local functions static.
302 (rindex): Don't #undef.
303 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
304 (fatal, fancy_abort): Delete.
305 (read_seek): Avoid signed/unsigned compare.
307 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
309 * combine.c (try_combine): Fix error in change to try original
311 (gen_rtx_combine): Do same as gen_rtx for now.
313 2001-03-11 Zack Weinberg <zackw@stanford.edu>
315 * configure.in: AC_SUBST xm_defines.
316 * configure: Regenerate.
317 * Makefile.in: Set DEFINES=$(xm_defines) when building
320 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
322 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
323 (cpp_included, find_include_file): Update.
324 (_cpp_compare_file_date): Make else unconditional.
326 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
328 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
330 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
332 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
333 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
335 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
337 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
338 if it's a record type.
340 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
342 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
343 mingw includes slightly.
345 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
347 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
348 #undef token before poisoning it.
350 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
352 * alpha.c (check_float_value): Use memcpy, not bcopy.
354 * m32r.c (m32r_sched_reorder): Likewise.
356 * vax.c (check_float_value): Likewise.
358 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
360 * toplev.c (file_name_nondirectory): Remove.
361 * toplev.h: Similarly.
362 * dwarf2out.c (compute_section_prefix): Use lbasename instead
363 of file_name_nondirectory.
365 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
367 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
368 * mips-tfile.c: Don't #undef rindex; not used.
370 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
372 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
373 (dbx64_register_map): Declare.
374 (RETURN_ADDR_RTX): Fix for 64bit.
375 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
376 (INCOMING_FRAME_SP_OFFSET): Set to 8.
377 * i386.c (dbx64_register_map): New global array.
378 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
379 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
382 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
384 * cppfiles.c (search_from): Use lbasename.
385 * mkdeps.c (deps_add_default_target): Use lbasename.
387 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
389 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
390 xcalloc in lieu of malloc, realloc & calloc.
392 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
394 * gengenrtl.c (xmalloc): Likewise.
396 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
397 really_call_* memory allocation routines.
399 * stmt.c (check_for_full_enumeration_handling): Use
400 really_call_calloc, not calloc.
402 * system.h (really_call_malloc, really_call_calloc,
403 really_call_realloc): Define.
404 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
406 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
408 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
410 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
412 * configure: Rebuilt.
413 * configure.in: Only use `lang_requires' for languages athat are
416 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
418 * invoke.texi: Fix typo.
421 2001-03-09 Zack Weinberg <zackw@stanford.edu>
423 * configure.in: Prune nonexistent files from build_xm_file,
424 xm_file, and host_xm_file lists. Warn unless they're
426 Don't generate *config.h here.
427 AC_SUBST all variables needed to generate *config.h.
428 * configure: Regenerate.
429 * mkconfig.sh: New helper script, from code removed from
431 * Makefile.in: Zap all MALLOC variables - no longer used
432 anywhere, and malloc.c doesn't exist.
433 Substitute in variables needed to generate *config.h.
434 Stop lying about the dependencies contained in CONFIG_H and
436 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
437 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
438 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
439 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
440 $(TM_P_H), etc. as appropriate.
442 * config.gcc: Zap references to deleted files.
443 * ggc-none.c: Don't include rtl.h or tm_p.h.
445 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
446 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
447 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
448 config/i386/xm-linux.h, config/i386/xm-linux.h,
449 config/i386/xm-next.h, config/i386/xm-openbsd.h,
450 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
451 Don't include i386/xm-i386.h.
453 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
454 config/i386/xm-i386.h, config/i860/xm-i860.h,
455 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
456 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
457 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
458 Delete (empty except comments, #includes of other deleted
459 files, and macros used nowhere).
461 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
463 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
464 independent on TARGET_FLAGS.
466 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
468 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
470 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
472 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
474 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
475 LAST_REX_SSE_REG): define.
476 (enum reg_class): Add 'LEGACY_REGS'
477 (REG_CLASS_CONTENTS): Likewise; add extended registers.
478 (SSE_REGNO_P): Recognize extended registers.
479 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
480 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
481 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
482 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
483 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
484 REG_OK_FOR_STRREG_P): Remove.
485 (HI_REGISTER_NAMES): Add extended registers.
486 (ADDITIONAL_REGISTER_NAMES): Likewise.
487 (QI_REGISTER_NAMES): Add 8bit extended registers.
488 (DEBUG_REG): Support extended registers.
489 * i386.c (regclass_map): Add extended registers.
490 (dbx_register-map): Likewise.
491 (svr4_dbx_register_map): Likewise.
492 (print_reg): Support extended registers.
493 (print_operand): Support 64bit operands.
495 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
497 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
498 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
499 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
500 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
501 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
502 STACK_BOUNDARY): Set properly for 64bits.
503 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
504 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
505 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
506 (MOVE_MAX): Set to 16.
507 (MOVE_MAX_PIECES): 8 for 64bit.
508 (Pmode): Set to SImode.
510 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
512 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
514 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
516 * i386.h (mask_64bit): New constant.
517 (target_64bit): New macro.
518 (target_options): Add '64'/'32'
519 (target_default): Define.
520 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
521 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
522 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
524 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
526 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
528 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
530 * rtlanal.c (rtx_varies_p): Check operand 0 of a
531 LO_SUM unless for_alias is set.
533 2001-03-08 Stan Shebs <shebs@apple.com>
535 * objc/objc-act.c: Fix old typos in comments, add comments for
537 (hash_init): Fix file name in error message.
539 (hash_add_attr): Ditto.
540 (continue_class): Ditto.
542 2001-03-08 Bruce Korb <bkorb@gnu.org>
544 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
545 wait4() can receive the signal.
547 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
549 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
551 * fixinc/fixincl.x: Regenerate.
553 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
555 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
557 * fixinc/fixincl.x: Regenerate.
559 2001-03-08 Richard Henderson <rth@redhat.com>
561 * configure.in (HAVE_AS_LEB128): New assembler check.
562 * configure, config.in: Rebuilt.
564 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
566 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
569 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
571 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
572 references to the MAXPATHLEN macro.
574 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
575 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
578 * config/i386/xm-gnu.h, config/xm-gnu.h,
579 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
580 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
581 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
584 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
585 doing so in various xm-*.h files.
587 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
589 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
591 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
593 * configure.in (enable_shared): Support per-package shared-library
595 * configure: Rebuilt.
597 2001-03-07 David Edelsohn <edelsohn@gnu.org>
599 * rs6000.md (cr logic): Add original POWER mnemonic alternative
600 for crnot. Set operands[5] in splitter.
602 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
604 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
605 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
606 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
607 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
608 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
609 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
610 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
613 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
614 config/i370/xm-i370.h, config/i386/xm-dgux.h,
615 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
616 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
617 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
618 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
619 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
620 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
621 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
622 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
623 Delete unused and/or empty files.
625 * config.gcc: Define USG in xm_defines as appropriate. Define
626 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
627 macro. Remove deleted xm-* files from $xm_files variable.
629 2001-03-07 Tom Tromey <tromey@redhat.com>
631 * configure: Rebuilt.
632 * configure.in: Allow config-lang.in to set `lang_requires' to list
633 of other required languages.
635 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
637 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
639 (output_prologue): Use xmalloc not oballoc.
640 (output_epilog): Free a29k_first_epilogue_insn when finished.
641 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
643 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
645 * builtins.c (expand_builtin_mathfn): Check
646 flag_unsafe_math_optimizations, not flag_fast_math.
647 (expand_builtin): Likewise
648 * combine.c (combine_simplify_rtx): Likewise.
649 (simplify_if_then_else): Likewise.
650 * cse.c (fold_rtx): Likewise.
651 * flags.h: Remove flag_fast_math. Add
652 flag_unsafe_math_optimizations and flag_trapping_math.
653 * fold-const.c (negate_expr): Check
654 flag_unsafe_math_optimizations, not flag_fast_math.
655 (invert_truthvalue): Likewise.
656 (fold): Likewise. Before associating operands, check that
657 code == MULT_EXPR, not code != MULT_EXPR.
658 * ifcvt.c (noce_try_minmax): Check
659 flag_unsafe_math_optimizations, not flag_fast_math.
660 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
661 * invoke.texi: Document -funsafe-math-optimizations and
662 -fno-trapping-math. Change documentation for -ffast-math.
663 * jump.c (reversed_comparison_code_parts): Likewise.
664 (rtx_equal_for_thread_p): Likewise.
665 * optabs.c (emit_conditional_move): Likewise.
666 * simplify-rtx.c (simplify_binary_operation): Likewise.
667 (simplify_relational_operation): Likewise.
668 (simplify_ternary_operation): Likewise.
669 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
670 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
671 Add trapping-math and unsafe-math-optimizations entries to f_options.
672 (set_fast_math_flags): New, sets flags for -ffast-math.
673 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
674 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
675 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
677 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
678 (alpha_emit_conditional_move): Initialize local_fast_math to
679 flag_unsafe_math_optimizations, not flat_fast_math.
680 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
681 instead of setting flag_fast_math to 1.
682 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
684 * config/i386/i386.c (override_options): Likewise
685 * config/i386/i386.md: Likewise.
686 * config/m68k/m68k.md: Likewise.
687 * config/mips/mips.md: Likewise.
688 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
689 (rs6000_generate_compare): Likewise.
691 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
693 * Makefile.in: Set RANLIB to @RANLIB@.
696 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
698 * fixinc/inclhack.def (djgpp_wchar_h): New test.
699 * fixinc/fixincl.x: Regenerated.
701 2001-03-07 Richard Henderson <rth@redhat.com>
703 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
705 2001-03-07 Richard Henderson <rth@redhat.com>
707 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
708 of block notes and exception handling notes.
710 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
711 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
712 (compile_file): ... here.
714 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
716 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
718 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
719 config.h now. Include libiberty.h to handle alloca.
721 2001-03-06 Zack Weinberg <zackw@stanford.edu>
723 * c-parse.in (yylexname): New function, split out of _yylex.
724 (objc_rid_sans_at): New table.
725 (init_reswords): Initialize it.
726 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
727 retrieving the next token and checking it for significance as
728 an ObjC keyword or string constant.
730 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
731 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
733 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
736 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
738 * config/m68k/m68k.c (const_uint32_operand): Accept any
739 const_int on a 32-bit host.
741 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
743 * objc/objc-act.c (init_objc): Set save_lang_status,
744 restore_lang_status, and mark_lang_status.
746 2001-03-06 Krister Walfridsson <cato@df.lth.se>
748 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
750 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
752 * cppinternals.texi: Update.
754 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
756 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
757 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
758 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
759 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
760 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
761 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
762 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
763 config/i386/xm-i386.h, config/i860/xm-i860.h,
764 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
765 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
766 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
767 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
768 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
769 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
770 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
771 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
772 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
773 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
774 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
775 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
776 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
777 match the defaults provided in hwint.h.
779 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
780 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
782 * config.gcc (xm_file): Don't set to files which are deleted.
784 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
785 guard this file against these macros being undefined.
787 2001-03-06 Zack Weinberg <zackw@stanford.edu>
789 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
790 and DECL_DEFER_OUTPUT on the decl we create, before calling
791 rest_of_decl_compilation.
793 2001-03-06 Zack Weinberg <zackw@stanford.edu>
795 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
797 * configure, config.in: Regenerate.
798 * config.gcc: Remove references to deleted files.
800 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
801 genrecog.c, rtl.c: Do not use alloca anywhere.
803 * Makefile.in, build-make, system.h, config/x-interix,
804 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
805 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
806 config/arc/xm-arc.h, config/arm/xm-arm.h,
807 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
808 config/h8300/xm-h8300.h, config/i370/x-oe,
809 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
810 config/i386/x-ncr3000, config/i386/x-sco5,
811 config/i386/xm-dgux.h, config/i860/x-sysv4,
812 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
813 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
814 config/m68k/x-hp320g, config/m69k/x-mot3300,
815 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
816 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
817 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
818 config/m88k/x-sysv4, config/m88k/x-tekXD88,
819 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
820 config/mips/x-iris, config/mips/x-iris3,
821 config/mips/x-sni-svr4, config/mips/x-sysv,
822 config/mips/xm-iris6.h, config/mips/xm-mips.h,
823 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
824 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
825 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
826 config/pa/xm-papro.h, config/romp/xm-romp.h,
827 config/rs6000/x-aix31, config/rs6000/x-aix41,
828 config/rs6000/x-beos, config/rs6000/x-lynx,
829 config/rs6000/x-mach, config/rs6000/x-rs6000,
830 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
831 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
832 config/sparc/x-sysv4, config/sparc/xm-linux.h,
833 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
834 config/vax/xm-vms.h: Eradicate all references to alloca and
837 * config/xm-alloca.h, config/clipper/x-clix,
838 config/i386/xm-sysv4.h, config/i860/x-fx2800,
839 config/i860/x-sysv3, config/m88k/x-sysv3,
840 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
841 (contained only alloca related hacks).
843 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
846 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
848 * invoke.texi: Document __FAST_MATH__.
850 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
852 * crtstuff.c: Restore include of auto-host.h.
854 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
856 Put main() in a separate file, so that the language
857 front-end can use a different main().
860 * toplev.c: (main): Rename as toplev_main.
861 * toplev.h: Declare toplev_main.
862 * Makefile.in (OBJS): add toplev.o.
863 (BACKEND): remove toplev.o, add main.o.
865 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
867 * cppfiles.c (search_from): Special case the empty string.
869 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
871 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
872 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
873 strlen or strcpy; we already know the length.
874 (_cpp_compare_file_date): Similarly.
875 * cpphash.h (struct cpp_reader): Delete done_initialising.
876 (CPP_PREV_BUFFER): Delete.
877 * cppinit.c (cpp_start_read): Don't set done_initialising.
878 * cpplex.c (parse_string): Guarantee null-termination.
879 (_cpp_equiv_toklists): Remove.
880 * cpplib.c (glue_header_name): Null-terminate.
881 (do_line): Don't leak memory.
882 * cpplib.h (BT_WEAK): Delete.
883 * cppmain.c (cb_ident): Strings are now null-terminated.
885 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
887 * gcc.c (convert_filename): Append executable suffix
888 if NO_AUTO_EXE_SUFFIX is not defined.
889 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
890 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
892 2001-03-03 David O'Brien <obrien@FreeBSD.org>
894 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
895 * c-parse.gperf, c-gperf.h: Delete.
896 (c-gperf.h was accidently re-added to the CVS repo in the rev
897 1.16 commit by tromey)
899 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
901 * cpplex.c (_cpp_lex_token): Don't warn about directives in
902 macro arguments when looking for the '('.
903 * cppmacro.c (funlike_invocation_p): Set parsing_args to
904 2 when really parsing arguments; 1 when looking for '('.
905 Always restore the lexer position.
907 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
909 * longlong.h (umul_ppmm): Don't use a multiline string.
911 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
913 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
914 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
915 t_bool in declaration because pcc can't combine volatile with typedef
918 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
920 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
921 until when it is really needed.
922 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
923 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
924 * i386.md (float?i?f splitter): Don't force source operand to memory
926 (sse_movdfcc): Fix constraint.
927 (sse_movdfcc splitter): Handle properly the second alternative.
929 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
931 * cpplex.c (parse_string): Unconditionally pedwarn.
933 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
936 * cppexp.c (parse_number): Update.
937 * cpplex.c (parse_string): Pedwarn if multiline string does not
938 result from a system header's macro.
939 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
940 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
941 for function-like macros too.
942 * c-lex.c (lex_number): Update.
944 2001-03-03 Richard Henderson <rth@redhat.com>
946 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
948 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
950 * combine.c (try_combine): If split with mode-changed scratch
951 register didn't work, try the original mode.
953 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
955 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
956 * config/c4x/c4x.h: Likewise.
957 * stor-layout.c (compute_record_mode): Likewise.
958 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
960 2001-03-02 Zack Weinberg <zackw@stanford.edu>
962 * configure.in: Kill tm.h. Include the files in the $tm_file
963 list in all three of config.h, hconfig.h, tconfig.h, after the
964 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
965 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
966 * configure: Regenerate.
967 * Makefile.in (clean): Don't delete tm.h.
969 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
970 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
971 those are not defined, set SEC and FEC to 0 and 1.
972 * gcc.texi: Update to match.
974 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
975 * config/fp-bit.c, config/m68k/aux-crt2.asm,
976 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
977 Include tconfig.h, not tm.h.
979 * config/xm-lynx.h, config/xm-std32.h,
980 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
981 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
982 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
983 config/clipper/xm-clix.h, config/convex/xm-convex.h,
984 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
985 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
986 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
987 config/i386/xm-i386.h, config/i860/xm-i860.h,
988 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
989 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
990 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
991 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
992 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
993 config/pa/xm-linux.h, config/pa/xm-pa.h,
994 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
995 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
996 config/pj/xm-pj.h, config/romp/xm-romp.h,
997 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
998 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
999 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1000 config/v850/xm-v850.h, config/vax/xm-vax.h,
1001 config/we32k/xm-we32k.h:
1003 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1005 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1006 config/i370/xm-oe.h: Don't include tm.h. Don't define
1008 * config/vax/xm-vms.h: Don't include tm.h.
1010 * config/xm-lynx.h, config/avr/xm-avr.h,
1011 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1012 Delete; made empty by above changes.
1013 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1014 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1015 Don't include config/xm-lynx.h or tm.h.
1017 * config/xm-gnu.h: Don't include fcntl.h.
1018 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1020 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1022 2001-03-02 Richard Henderson <rth@redhat.com>
1024 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1025 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1027 2001-03-02 Richard Henderson <rth@redhat.com>
1029 * Makefile.in (OBJS): Add dwarf2asm.o.
1030 * dwarf2asm.c, dwarf2asm.h: New files.
1031 * dwarf2out.c (*): Use them.
1032 (size_of_uleb128, size_of_sleb128): Remove.
1033 (output_uleb128, output_sleb128): Remove.
1034 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1035 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1036 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1037 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1038 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1039 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1040 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1041 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1042 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1043 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1044 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1045 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1046 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1047 (dwarf2out_frame_debug): Remove unused variables.
1048 (output_loc_operands): Don't abort on 8 byte constants if
1049 host integers are wide enough.
1050 (output_symbolic_ref): Remove.
1051 (size_of_die): Don't assume 4 byte host integers.
1052 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1054 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1055 something stupid with HOST_WIDE_INT to long truncation.
1056 [CONST_DOUBLE]: Likewise.
1058 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1059 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1060 * config/arm/unknown-elf.h: Likewise.
1061 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1062 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1063 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1064 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1065 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1066 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1067 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1068 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1069 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1070 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1071 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1072 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1074 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1076 * cselib.c (hash_rtx): Cast enums to unsigned int.
1078 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1080 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1081 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1083 * c-format.c (C_STD_VER): Cast to int for comparisons.
1084 (check_function_format): Cast various enums to int for &.
1085 (maybe_read_dollar_number): Likewise.
1086 (check_format_info): Likewise.
1087 (check_format_info_main): Likewise.
1088 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1089 (safe_from_p): Likewise.
1090 * varasm.c (const_hash): Cast enum to int for %.
1091 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1092 pcc enum problems with < and ++ operators.
1093 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1094 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1095 (regclass_init): Change enum class to int to iterate over reg_classes.
1096 * genrecog.c (merge_trees): Cast enums for comparison.
1097 * rtl.h (GET_CODE): Cast to enum rtx_code.
1098 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1099 (GET_MODE): Cast to enum machine_mode.
1100 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1101 (GET_NOTE_INSN_NAME): Cast enum to int.
1102 * tree.h (TREE_CODE): Cast to enum tree_code.
1103 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1104 * timevar.c (timevar_print): Change loop variable id from enum to
1106 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1107 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1108 * toplev.c (compile_file): Cast enum DFI to int.
1109 (decode_d_option): Likewise.
1111 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1113 * cppinit.c (append_include_chain): Mark "after" include file name list
1114 as a system directory.
1115 * cpp.texi: Document new behavior.
1117 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1119 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1121 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1123 * cppfiles.c (struct include_file): Update.
1124 (stack_include_file): Use search_from.
1125 (cpp_included, find_include_file): Update.
1126 (cpp_execute_include): Update. ptr->name may not be
1127 null terminated. Use the new search_from member variable
1129 (_cpp_compare_file_date): Similarly.
1130 (search_from): New function, similiar to actual_directory.
1131 (actual_directory): Delete.
1132 (remap_filename): Update. loc->name may not be null terminated.
1133 (struct file_name_list): Rename search_path. Update.
1134 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1135 search_from and dir.
1136 (struct cpp_reader): Remove actual_dirs.
1137 * cppinit.c (struct cpp_pending): Update for renamed objects.
1138 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1139 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1140 * cpplib.h (struct cpp_options): Similarly.
1142 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1144 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1145 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1146 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1147 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1148 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1149 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1150 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1151 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1152 config/i370/xm-oe.h, config/i386/xm-aix.h,
1153 config/i386/xm-i386.h, config/i386/xm-osf.h,
1154 config/i860/xm-i860.h, config/i960/xm-i960.h,
1155 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1156 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1157 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1158 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1159 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1160 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1161 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1162 config/pj/xm-pj.h, config/romp/xm-romp.h,
1163 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1164 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1165 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1166 config/v850/xm-v850.h, config/vax/xm-vax.h,
1167 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1168 Do not define TRUE or FALSE.
1170 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1171 empty by above change.
1172 * config.gcc: Remove references to these files.
1174 * configure.in: Detect stdbool.h.
1175 * configure, config.in: Regenerate.
1176 * system.h: Include stddef.h here if available.
1177 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1178 Then set up a sensible boolean type at the very end.
1180 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1181 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1183 * hash.h: Delete 'boolean' typedef and related #undefs.
1185 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1186 all uses of 'boolean' with 'bool'.
1188 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1190 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1191 * cppexp.c (lex): Cast enums for comparison.
1192 * cppinit.c (parse_option): Cast enum for comparison.
1193 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1194 (cpp_output_token): Likewise.
1195 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1196 (cpp_avoid_paste): Cast enums for minus and comparison.
1198 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1200 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1201 field to all array elements.
1203 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1205 * cpphash.h (struct cpp_reader): Add print_version field.
1206 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1207 just set print_version and other flags as appropriate.
1208 (cpp_post_options): Print version here if print_version is set.
1210 * toplev.c (exit_after_options): New flag.
1211 (independent_decode_option): Don't exit here; just set
1213 (main): Exit after calling lang_hooks.post_options if
1214 exit_after_options is true.
1216 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1217 (merge_include_chains): Adjust comment to match code.
1219 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1221 * stringpool.c (set_identifier): New function.
1222 * tree.h: Prototype it.
1224 * c-parse.in: Kill D_YES. If compiled for objc, call
1225 save_and_forget_protocol_qualifiers from init_reswords.
1226 * objc/objc-act.c (remember_protocol_qualifiers,
1227 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1228 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1230 (save_and_forget_protocol_qualifiers): New function.
1231 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1233 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1235 * c-semantics.c (prune_unused_decls): Return error_mark_node
1236 instead of (tree) 1 to stop traversing the tree chain.
1238 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1240 Fix a problem introduced by Kenner's Feb 18 change.
1241 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1242 flag_cse_skip_blocks only temporarily, not for ever.
1244 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1246 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1247 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1249 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1250 before determining its register class.
1252 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1254 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1255 from reg 4 if current_function_calls_setjmp.
1256 (gen_nop_type): New function.
1257 (ia64_emit_nops): New function.
1258 (ia64_reorg): Call it.
1259 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1261 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1262 code not to try to optimize adds with anything but a REG destination.
1264 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1265 (INSN_PRIORITY_KNOWN): New accessor macro.
1266 * haifa-sched.c (priority): Use it instead of testing priority against
1269 2001-02-28 DJ Delorie <dj@redhat.com>
1271 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1272 since that doesn't work the way gcc wants on a generic m68k.
1274 2001-02-28 Richard Henderson <rth@redhat.com>
1276 * caller-save.c (save_call_clobbered_regs): Fix typo in
1277 comparison last change.
1279 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1281 * i386.c (pentium4_cost): New.
1282 (m_PENT4): New macro.
1283 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1284 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1285 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1286 x86_memory_mismatch_stall): Add Pentium4
1287 (x86_use_q_reg, x86_use_any_reg): Kill.
1288 (override_options): Add pentium4.
1289 (incdec_operand): Return 0 for pentium4.
1290 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1291 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1292 (TARGET_PENTIUM4): Define.
1293 (enum processor_type): Add PROCESSOR_PENTIUM4.
1294 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1295 * i386.md (attribute "cpu"): Add pentium4.
1296 * invoke.texi (march): Add pentium4.
1298 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1300 * i386.md (sse_mov?fcc*): New patterns and splitters.
1301 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1302 the SSE based conditional moves.
1304 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1306 * i386.md (attribute mode): Add "TI".
1307 (movsf_1): Add pxor support; remove constant propagation splitter.
1308 (movdf_integer): Likewise.
1309 (movdf_nointeger): Likewise.
1310 (movxf constant prop splitter): Handle all modes; update for SSE.
1311 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1312 * i386.c (standard_80387_constant_p): Rewrite.
1313 (standard_sse_constant_p): New.
1314 * i386-protos.h (standard_sse_constant_p): New.
1316 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1318 * i386.md (sse_setccsf, sse_setccdf): New.
1319 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1321 * i386.c (sse_comparison_operator): Accept the supported unordered
1322 comparses; be ready for fast_math.
1323 (print_operand): Support 'D'.
1325 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1327 * jump.c (reversed_comparison_code): Kill.
1329 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1331 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1334 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1336 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1337 add missing '%' in constraints.
1339 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1341 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1342 for HOST_BITS_PER_WIDE_INT == 32 too.
1344 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1346 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1348 (insert_save, insert_restore): New parameter save_mode.
1349 (init_caller_save): Update initialization of reg_save_code
1350 and reg_restore_code.
1351 (save_call_clobbered_regs): Compute save_modes and update calls to
1352 reg_save_code and reg_restore_code.
1353 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1354 of spill; update use of reg_restore_code.
1355 (insert_save): Likewise.
1356 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1357 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1358 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1360 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1362 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1363 noce_try_store_flag_inc, noce_try_store_flag_mask,
1364 noce_try_cmove_arith):
1365 Use reversed_comparison_code instead of reverse_comparison and
1366 can_reverse_comparison_p.
1368 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1370 * jump.c (reversed_comparison_code_parts): Allow reversal of
1371 unordered compares in -ffast-math mode; reverse ordered compares
1372 for FP even w/o -ffast-math.
1374 2001-02-27 Richard Henderson <rth@redhat.com>
1376 * print-rtl.c (print_rtx) [i]: Don't print field five on
1377 NOTEs other than NOTE_INSN_DELETED_LABEL.
1379 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1381 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1382 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1384 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1386 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1387 even if walk_subtrees is 0.
1388 * c-semantics.c (prune_unused_decls): Return a non-null value to
1389 stop traversing the tree chain.
1391 2001-02-27 DJ Delorie <dj@redhat.com>
1393 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1394 register, *then* define it as the new CFA.
1396 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1398 * pa.c (override_options): Promote -fpic to -fPIC.
1399 (legitimize_pic_address): Simplify due to removal of
1400 small PIC as a code generation option.
1401 (secondary_reload_class): Similarly.
1402 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1403 (PRINT_OPERAND_ADDRESS): Similarly.
1404 * pa.md (various patterns): Similarly.
1405 (small pic lo_sum pattern): Remove.
1407 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1410 * md.texi (min, max): Document
1412 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1414 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1415 TARGET_PARTIAL_REG_DEPENDENCY.
1416 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1418 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1420 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1422 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1424 * mips.c (mips_make_temp_file): Fix thinko in last change.
1426 2001-02-26 Jason Eckhardt <jle@redhat.com>
1428 * combine.c (known_cond): Do not reverse the condition when
1429 SMAX/UMAX is being considered and the condition is for equality
1432 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1434 2001-02-26 Philip Blundell <philb@gnu.org>
1436 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1438 * config/arm/linux-elf.h: Remove historical relics related to
1439 above configurations.
1440 * config/arm/linux-oldld.h: Delete.
1441 * config/arm/linux-elf26.h: Delete.
1443 2001-02-26 Jason Merrill <jason@redhat.com>
1445 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1447 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1448 recognize a tentative definition. Lose obsolete code.
1450 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1451 variables unless necessary, either.
1453 2001-02-25 Richard Henderson <rth@redhat.com>
1455 * ifcvt.c (struct noce_if_info): Add test_bb.
1456 (noce_get_alt_condition): New.
1457 (noce_try_minmax, noce_try_abs): New.
1458 (noce_operand_ok): New.
1459 (noce_process_if_block): Use them.
1460 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1462 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1464 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1467 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1469 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1470 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1472 (mips_asm_file_end): Free temp_filename here.
1474 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1476 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1477 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1479 * config/i386/i386.md (movstrsi): Handle FAIL case.
1481 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1483 * cppinit.c (builtin_array): Update.
1484 (init_builtins): Flag builtins to warn if redefined or
1485 undefined. Define __GXX_WEAK as a normal macro.
1486 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1487 * cpplib.h (NODE_WARN): New flag.
1488 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1489 Handle __STDC__ as a builtin only on Solaris.
1490 (warn_of_redefinition): Renamed from check_macro_definition.
1491 Reverse sense of test. Always warn if NODE_WARN.
1492 (_cpp_create_definition): Use warn_of_redefinition. Flag
1493 any macro beginning with "__STDC_" to require a mandatory
1494 warning if redefined or undefined.
1496 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1498 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1499 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1500 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1501 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1502 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1503 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1504 Don't define any of:
1505 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1506 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1507 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1508 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1509 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1511 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1512 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1515 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1516 Delete now-empty file.
1518 * alpha/vms.h: Define NEED_ATEXIT here...
1519 * alpha/xm-vms.h: ...not here.
1521 * i386/cygwin.h: Don't define PARAMS.
1522 * mips/mips.c: Don't prototype mktemp. Don't define
1523 P_tmpdir. Use make_temp_file to create temporary files.
1524 Don't be clever and delete temporary files early.
1525 * config.gcc: Drop references to deleted files. Don't define
1527 * gcc.texi: Don't mention USE_PROTOTYPES.
1529 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1531 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1532 (ix86_set_move_mem_attrs_1): Likewise.
1533 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1534 * config/i386/i386.md (movstrsi): Call it.
1536 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1538 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1539 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1540 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1541 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1543 (i750a-*-*): Error here if hosting on i750a.
1544 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1546 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1547 Remove (empty modulo comments).
1549 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1550 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1551 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1552 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1553 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1554 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1556 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1557 Remove reference to winnt.h in comment.
1558 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1560 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1562 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1563 used to set another biv.
1565 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1567 * tree.h (BLOCK_DEAD): New macro.
1568 (struct tree_block): New flag, dead_flag.
1569 * print-tree.c (print_node, case 'b'): Print missing fields.
1570 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1571 * function.c (identify_blocks): Enable test for misplaced notes.
1572 (all_blocks): Skip BLOCK_DEAD blocks.
1573 * integrate.c (integrate_decl_tree): Likewise.
1575 * errors.c (internal_error, trim_filename): New functions.
1576 (fancy_abort): Call internal_error.
1577 * errors.h (internal_error, trim_filename): New declarations.
1579 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1581 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1583 (EXTRA_CONSTRAINT): Formatting changes.
1585 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1587 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1589 2001-02-23 Per Bothner <per@bothner.com>
1591 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1592 so they can be called from java/jvspec.c.
1593 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1595 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1597 * i386.c (ix86_frame): New structure.
1598 (ix86_compute_frame_size): Kill.
1599 (ix86_compute_frame_layout): New.
1600 (ix86_save_reg): New.
1601 (ix86_can_use_return_insn_p): Use frame layout stuff.
1602 (ix86_expand_prologue): Likewise.
1603 (ix86_expand_epilogue): Likewise.
1604 (ix86_initial_elimination_offset): Likewise.
1605 (ix86_nsaved_regs): Use ix86_save_reg.
1606 (ix86_emit_save_regs): Likewise.
1608 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1610 * flow.c (find_sub_basic_blocks): New function.
1611 (split_block): Be ready for basic block introduced by CODE_LABEL.
1612 (commit_one_edge_insertion): Call find_sub_basic_block.
1614 * flow.c (make_edges): Add edge from entry for blocks starting with
1615 label having ALTERNATE_NAME
1617 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1619 * function.c (epilogue_done): Be ready for first basic block not
1620 containing PROLOGUE_END note.
1621 (reposition_prologue_and_epilogue_notes): Avoid placing
1622 PROLOGUE_END note between BASIC_BLOCK.
1624 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1626 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1628 2001-02-21 DJ Delorie <dj@redhat.com>
1630 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1631 check for current_function_has_nonlocal_goto from 1999-11-12.
1633 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1635 * diagnostic.c (trim_filename): No longer static.
1636 * toplev.h (trim_filename): Declare.
1637 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1638 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1639 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1640 (rtvec_check_failed_bounds): Likewise.
1641 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1643 * convert.c (convert_to_integer): Don't do unsigned unless result or
1644 both inputs are unsigned.
1646 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1649 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1651 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1653 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1655 * Makefile.in (resource.o): Add params.h dependence.
1656 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1657 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1658 * resource.c: Add dependence on params.h.
1659 (current_live_regs): Fix explanatory comment.
1660 (find_basic_block): Add new parameter to permit limiting search
1662 (mark_target_live_regs): Add new argument to find_basic_block call.
1663 (incr_ticks_for_insn): Likewise.
1665 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1667 * diagnostic.c (output_to_stream): Rename to
1668 output_buffer_to_stream. Loses the stream parameter.
1669 (init_output_buffer): Set diagnosic_buffer's stream.
1670 (flush_diagnostic_buffer): Adjust.
1671 (default_print_error_function): Likewise.
1672 (finish_diagnostic): Likewise.
1673 (verbatim): Likewise.
1675 * diagnostic.h (struct output_buffer): Add `stream' field.
1676 (output_buffer_attached_stream): New macro.
1678 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1680 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1681 check if either operand is divisible by C.
1682 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1683 If type is signed, consider negative numbers as well.
1685 2001-02-22 Richard Henderson <rth@redhat.com>
1687 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1688 reach .text instead of gp-relative relocs.
1689 * config/ia64/crtend.asm (.init): Likewise.
1691 2001-02-22 Andreas Jaeger <aj@suse.de>
1693 * extend.texi (C++ Attributes): Fix typo.
1695 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1697 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1698 functions, drop current_function_args_info.words test.
1699 (ia64_compute_frame_size): Mark syscall_linkage functions as
1700 using eight input registers.
1702 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1703 Bruce Korb <bkorb@gnu.org>
1705 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1706 * fixinc/README: Document how to convert sed substitutions
1707 to format style c_fix-es.
1708 * fixinc/fixincl.x: regen
1710 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1712 * gcc.c: Add comment explaining how to add a command-line option.
1713 Add title to specs language comment.
1715 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1717 * gcc.c (cc1_options): Add "-param".
1718 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1719 (option_map): Likewise.
1720 * toplev.c (display_help): Add entry for "--param".
1721 (independent_decode_option): Fix typographical error.
1723 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1724 Bernd Schmidt <bernds@redhat.com>
1725 Jan Hubicka <jh@suse.cz>
1727 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1728 (function_arg): Likewise.
1730 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1732 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1734 2001-02-21 Kazu Hirata <kazu@hxi.com>
1736 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1740 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1742 * flow.c (init_propagate_block_info): Canon address and use single_set
1743 for killing dead memory stores.
1745 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1747 * Makefile.in (reorg.o): Add params.h dependence.
1748 * params.def: Fix typographical error in comment.
1749 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1750 * params.h: Modify introductory comment.
1751 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1752 * reorg.c: Add dependence on params.h.
1753 (redundant_insn): Add parameterized throttle for search.
1754 (fill_simple_delay_slots): Add a comment explaining a variable.
1755 Move conditional out of loop, simplifying code.
1756 (fill_eager_delay_slots): Fix typographical error in comment.
1758 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1760 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1762 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1763 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1765 2001-02-21 Jason Merrill <jason@redhat.com>
1767 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1768 (struct tree_decl): Add uninlinable bitfield.
1769 * c-decl.c (duplicate_decls): Set it.
1770 * integrate.c (function_cannot_inline_p): Check it.
1772 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1773 DW_AT_MIPS_linkage_name to abstract methods.
1774 (dwarf2out_abstract_function): Emit class context before calling
1775 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1776 (gen_subprogram_die): Remove obsolete code.
1777 (gen_member_die): Don't include clones in the member list.
1778 (gen_decl_die): Emit abstract info for clone origin.
1779 * dwarfout.c (output_type): Don't include clones in the member list.
1780 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1781 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1782 DECL_ABSTRACT on a function that already has it set.
1784 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1785 (get_subprogram_die): Pass it in.
1787 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1789 * flow.c (mark_set_1): Make not_dead unsigned long. For
1790 non-pseudos, use it as a bitmask of the hard regs that
1793 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1795 * cppfiles.c: Update comments.
1796 (_cpp_read_file): Don't check for NULL filenames any more.
1797 * cppinit.c (cpp_start_read): Don't do canonicalization of
1798 in_fname and out_fname. Use the passed file name exclusively.
1799 (_cpp_handle_options): Don't treat "-" as a command line option,
1800 but as a normal filename.
1801 (_cpp_post_options): Canonicalize in_fname and out_fname.
1802 * cppmain.c (printer_init): Don't check out_fname for NULL.
1803 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1804 (init_c_lex): Update, and use "" to represent stdin to CPP.
1807 2001-02-20 Will Cohen <wcohen@redhat.com>
1809 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1810 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1811 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1814 2001-02-20 Stan Shebs <shebs@apple.com>
1816 * config/rs6000/rs6000.c (output_cbranch): Output branches
1817 on separate lines instead of using ';' to separate.
1819 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1821 * cppinit.c (set_lang): Move builtin handling to...
1822 (init_builtins): ...here.
1823 (_cpp_create_reader): Move call to set_lang.
1825 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1827 * stmt.c (expand_return): If an attempt is made to return the
1828 error_mar_node, treat the return like a return without a value.
1830 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1832 * sibcall.c (skip_copy_to_return_value): Call
1833 identify_call_return_value here, and return orig_insn if it
1834 returns zero. Hardret and softret arguments now unnecessary.
1835 (call_ends_block_p): Don't call identify_call_return_value here.
1837 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1839 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1840 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1842 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1844 * pa.c (move_operand): Accept code to load the address of a
1845 symbol out of the DLT as a valid move operand.
1846 (print_operand, case 'A'): New to handle generating a DLT
1847 reference for a LO_SUM expression.
1848 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1849 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1851 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1853 * README, cpp.texi, gcc.texi, version.c: Update version number to
1855 * cpp.1, gcov.1, gcc.1: Regenerate.
1857 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1859 * cppfiles.c (stack_include_file): Generate dependencies
1860 here, and manage include_count here too.
1861 (PRINT_THIS_DEP): Delete.
1862 (_cpp_execute_include): Do not generate dependencies here,
1863 apart from the case of a missing header. Do not manage
1865 (_cpp_read_file): Leave dependency generation to
1868 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1870 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1871 target_cpu_default. Remove dead assignment to
1874 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1876 * regclass.c (contains_reg_of_mode): Make global.
1877 (init_reg_sets): Remove contains_reg_of_mode; take into account
1878 CLASS_MAX_NREGS when looking for the proper mode.
1879 (dump_regclass): Dump only classes considered for the pseudo.
1880 (regclass): Use contains_reg_of_mode.
1882 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1884 * gcc.c (do_spec_1): 'n' for printing notices.
1885 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1887 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1889 * reg-stack.c (next_flags_user): Use current_block->end
1890 (swap_rtx_condition): Look for next user if flags don't die;
1891 give up on CALL_INSNs; use current_block->end.
1893 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1895 * sibcall.c (call_ends_block_p): New function.
1896 (optimize_sibling_and_tail_recursive_call): Use it.
1898 2001-02-18 Kazu Hirata <kazu@hxi.com>
1900 * config/h8300/h8300.md: Update copyright.
1901 (andsi3): Do not output an extra newline character.
1903 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1905 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1906 FNDECL may be unused.
1908 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1909 follow jumps after first run.
1910 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1911 it doesn't change any jumps.
1913 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1915 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1916 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1917 (mostlyclean): Corresponding changes.
1918 * rtlanal.c (hard-reg-set.h): Include.
1919 (rtx_unstable_p): Do not treat the argument pointer specially
1920 if it is not a fixed register.
1921 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1923 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1925 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1926 against last real insn in basic block.
1927 Rework to avoid gotos.
1929 * Makefile.in (gcse.o): Now includes ggc.h.
1930 * gcse.c: Include ggc.h.
1931 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1932 (try_replace_reg): Remove warning of uninitialize variable.
1933 (process_insert_insn): Call invalid_insn_p to validate insn.
1934 * recog.c (insn_invalid_p): Now global.
1935 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1936 * recog.h (insn_invalid_p): New declaration.
1938 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1940 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1941 assignments from FP constants since 'Y' output code can't handle it.
1942 (eligible_for_sibcall_delay): Likewise.
1944 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1945 Call fancy_abort directly, passing args.
1946 (print_rtl_and_abort): Now a macro, like fancy_abort.
1948 * final.c (output_operand_lossage): Use internal_error, not error.
1950 2001-02-18 Shane Nay <shane@agendacomputing.com>
1952 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1953 structure shift insns.
1955 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1957 * invoke.texi (-fsquangle): Remove documentation.
1958 (-fname-mangling-version): Likewise.
1960 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1962 * optabs.c (expand_abs): Remove reference to
1963 HAVE_contitional_arithmetic.
1964 * combine.c (simplify_set): Likewise.
1966 2001-02-18 Richard Henderson <rth@redhat.com>
1968 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1971 2001-02-18 Richard Henderson <rth@redhat.com>
1973 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1975 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1977 * reload1.c (reload_cse_simplify_set): Fix typo.
1979 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1981 * diagnostic.c (_fatal_insn): Decrement errorcount.
1983 * invoke.texi (-I): Add note avoiding use for system header files.
1985 * rtl.h (add_clobbers): Remove duplicate declaration.
1986 * recog.h (added_clobbers_hard_reg_p): New declaration.
1987 * genemit.c (struct clobber_pat): New field has_hard_reg.
1988 (gen_insn): Record if added clobbers clobber hard reg.
1989 (gen_split): Avoid unused warning if number of operands is 0.
1990 (output_added_clobbers_hard_reg_p): New function.
1993 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1995 * pa.c (hppa_expand_prologue): Simplify code storing return
1996 pointer. For large (>=8k) frames with a post_store, adjust stack
1997 pointer by 8k-64 first rather than by 64. When testing with
1998 VAL_14_BITS_P, always use the actual value rather than the value
1999 negated. Add blockage to prevent scheduling of spills before
2000 stack frame has been created.
2001 (hppa_expand_epilogue): Simplify code loading return pointer.
2002 Allow a slightly larger range for merge_sp_adjust_with_load case.
2003 When testing with VAL_14_BITS_P, always use the actual value.
2005 * pa.c (pa_adjust_insn_length): Check that block move
2006 pattern is a set before looking at operands.
2008 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2010 * fold-const.c (fold_binary_op_with_conditional_arg): New
2011 function, split out from ...
2013 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2014 conditional arms that throw exceptions.
2016 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2019 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2021 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2022 define HAVE_DECL_* to 1 to mask potential backup declarations.
2023 * configure: Regenerated.
2025 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2027 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2029 2001-02-17 Richard Henderson <rth@redhat.com>
2031 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2032 when replacing a memory load with a register.
2034 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2035 Jan Hubicka <jh@suse.cz>
2037 * recog.c (validate_replace_src_1): New.
2038 (validate_replace_src_data): Likewise.
2039 (validate_replace_src): Use note_uses.
2040 * rtl.h (note_uses): Declare.
2041 * rtlanal.c (note_uses): New.
2043 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2045 * reg-stack.c (stack_def): Make field reg unsigned.
2046 (remove_regno_note): Unsignetize parameter.
2048 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2050 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2051 shladd_operand() call.
2053 2001-02-16 Bruce Korb <bkorb@gnu.org>
2054 Rodney Brown <RodneyBrown@mynd.com>
2056 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2057 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2058 machine restrictions
2059 * fixinc/fixincl.x: regen
2061 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2063 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2065 (hash_scan_insn): Clean up calls to hash_scan_set.
2066 (compute_kill_rd): REGNO now unsigned.
2067 (try_replace_reg): Rework to use simplify_replace_rtx.
2068 (cprop_jump, cprop_cc0_jump): Likewise.
2069 (cprop_insn): Call find_reg_equal_equiv_note.
2070 Reflect changes to cprop_jump and cprop_cc0_jump.
2072 * recog.c (validate_replace_src): Replace in operands of
2073 ZERO_EXTRACT in SET_DEST.
2075 * cse.c (new_label_ref): New variable.
2076 (insert): Set it instead of recorded_label_ref.
2077 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2078 CODE_LABEL for this function, and not already in REG_LABEL note.
2080 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2082 * resource.c (mark_referenced_resources): Fix typo in introductory
2084 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2087 2001-02-16 Jason Merrill <jason@redhat.com>
2089 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2091 (gen_subprogram_die): Don't abort on seeing a second definition if
2092 the previous one was abstract. Don't replace an abstract instance
2093 in the lookup table.
2095 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2096 gen_abstract_function.
2097 * dwarf2out.h: Declare it.
2098 * toplev.c (note_outlining_of_inline_function): New fn.
2099 * toplev.h: Declare it.
2100 * integrate.c (output_inline_function): Call it.
2101 * c-decl.c (duplicate_decls): Call it when redefining an extern
2102 inline. Don't inline the new defn.
2104 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2106 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2108 * .gdbinit: Rename to gdbinit.in.
2109 * gdbinit.in: New file,
2110 * configure.in: Generate .gdbinit from gdbinit.in.
2111 * configure: Regenerated.
2112 * Makefile.in (distclean): Always remove .gdbinit.
2114 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2116 * objc/objc-act.c (start_class): Register implemented_classes with
2119 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2121 * cppfiles.c (_cpp_make_system_header): Generate a file
2124 2001-02-15 Jim Meyering <meyering@lucent.com>
2126 * Makefile.in (install-common): Don't depend on installdirs here.
2127 Instead, make each of the lang.install-common targets (e.g.,
2128 c++.install-common in cp/Make-lang.in) depend on it.
2129 (install-driver): Depend on installdirs.
2131 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2133 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2135 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2138 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2140 * invoke.texi (--param): Document.
2142 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2144 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2146 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2148 * i386.md (extendsfdf2_2): Fix constraints.
2150 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2152 * i386.md (fop_df_3 splitter): Fix operand number.
2154 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2156 * invoke.texi (-mreg-alloc): Nuke.
2157 * i386.c (ix86_reg_alloc_order, regs_allocated,
2158 order_regs_for_local_alloc): Nuke.
2159 (override_options): Kill reg_alloc code.
2160 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2161 (REG_ALLOC_ORDER): SSE goes before I387.
2162 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2163 (ix86_reg_alloc_order): Likewise.
2164 * i386-protos.h (ix86_reg_alloc_order): Kill.
2166 2001-02-14 Richard Henderson <rth@redhat.com>
2168 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2170 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2172 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2174 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2176 * i386-protos.h (ix86_memory_move_cost): Move offline.
2177 * i386.c (ix86_register_move_cost): Compute properly cost of
2178 SSE, MMX and i387 instructions.
2179 (*_cost): Add costs of SSE/MMX moves.
2180 (ix86_memory_move_cost): Move offline from ....; Likewise.
2181 * i386.h (MEMORY_MOVE_COST): .... here;
2182 (struct processor costs): Add new fields to represent costs
2185 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2187 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2188 move_cost together with Matt Kraai's fix.
2190 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2192 * Makefile.in (OBJS): Add params.o.
2194 2001-02-14 Richard Henderson <rth@redhat.com>
2195 DJ Delorie <dj@redhat.com>
2197 * jump.c (jump_optimize_1): When we delete a conditional jump
2198 preceeding a non-conditional jump to effectively the same place,
2199 make sure that the combined jump skips any clobber insns between
2202 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2204 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2206 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2208 * Makefile.in (toplev.o): Depend on params.h.
2209 (intergate.o): Likewise.
2210 (params.o): New target.
2211 * flags.h (inline_max_insns): Remove.
2212 * integrate.c: Include params.h.
2213 Use MAX_INLINE_INSNS instead of inline_max_insns.
2214 * params.c: New file.
2215 * params.h: Likewise.
2216 * params.def: Likewise.
2217 * toplev.c: Include params.h.
2218 (lang_independent_params): New variable.
2219 (decode_f_option): Use the param machinery instead of setting
2221 (independent_decode_option): Handle "--param name=value".
2222 (main): Register language-independent parameters.
2224 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2226 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2228 2001-02-14 Richard Henderson <rth@redhat.com>
2230 * regclass.c (init_reg_sets_1): Revert last two changes.
2232 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2234 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2235 (variable_size): Call put_pending_size.
2236 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2237 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2238 sizes list, put newly created SAVE_EXPR there as well.
2240 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2242 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2243 (errata_find_address_regs): load_group has only 2 entries.
2244 (errata_emit_nops): Likewise. shladd is not problematic.
2245 Clear last_group if nop was emitted.
2246 (fixup_errata): load_group has only 2 entries.
2249 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2251 * c-lex.c (lex_number): Only warn traditionally for U suffix
2252 outside system macros.
2253 * cppexp.c (parse_number): Similarly.
2254 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2255 * cppmacro.c (struct cpp_macro): New member node.
2256 (parse_args): Only warn about missing rest args if not
2258 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2259 (cpp_sys_objmacro_p): New.
2260 (_cpp_create_definition): Store the node with the macro defn.
2261 Remember if the macro is defined in a system header.
2263 2001-02-13 DJ Delorie <dj@redhat.com>
2265 * configure.in (check_languages): determine languages to check
2266 * Makefile.in (check-c++): alias for check-g++
2267 (check-f77): alias for check-g77
2268 (CHECK_TARGETS): depend on configured languages
2270 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2272 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2273 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2274 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2275 (sqrtextendsfdf2): Disable for SSE2.
2277 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2279 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2280 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2281 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2282 (sqrtextendsfdf2): Disable for SSE2.
2284 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2286 * i386.md (movsfcc_1): Support integer cmove instruction.
2287 (movdfcc_1): Likewise; new splitter.
2289 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2291 * i386.c (output_fp_compare): Support SSE.
2292 (prepare_fp_compare_args): SSE comparisons always support memory.
2293 * i386.h (TARGET_CMOVE): SSE imply cmove.
2294 * i386.md (cmp?f2): Enable for SSE too.
2295 (cmpfp_i*): Support SSE.
2297 (cmpfp_i_sse_only): New.
2298 (s*, b* fp expanters): Enable for SSE too.
2299 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2302 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2304 * regclass.c (init_reg_sets_1): Silence warning.
2306 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2308 * i386.md (sqrt?f2): Change to expander.
2309 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2311 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2313 * rtlanal.c (find_reg_equal_equiv_note): New function.
2314 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2315 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2316 * rtl.h: Add declarations for above functions.
2318 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2320 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2322 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2323 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2324 * flow.c (mark_regs_live_at_end): Likewise.
2325 (calculate_global_regs_live): Likewise.
2326 * gcse.c (compute_hash_table): Likewise.
2327 (compute_kill_rd): Likewise.
2328 * resource.c (mark_target_live_regs): Likewise.
2329 * rtl.h (INVALID_REGNUM): New macro.
2331 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2333 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2335 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2337 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2340 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2342 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2344 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2345 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2346 (fop_sf_1_sse, fop_df_1_sse): New patterns
2347 (fop_*): Disable float_extend and float patterns for SSE compilation.
2348 * i386.c (output_387_binary_op): Support SSE.
2350 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2352 * i386.md (dummy_extendsfdf2): Support SSE2
2353 (extendsfdf2): Enable if 80387 or SSE2.
2354 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2355 and no MIX_I387_SSE2
2356 (extendsfdf2_1_sse_only): New pattern.
2357 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2359 (truncdfsf2_1): Support SSE.
2360 (truncdfsf2_2): Support SSE.
2361 (truncdfsf2_2_1_sse): New pattern.
2362 (fixtruncsfsi2): Always use SSE if available.
2363 (fix_truncsfsi_sse): New pattern.
2364 (fix_truncdfsi_sse): New pattern.
2365 (floatsis?f2): Support SSE.
2366 (floatsidf2_i387): New pattern.
2367 (floatsidf2_sse): Likewise.
2369 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2371 * configure.in: Use "have_gnat" variable, not "gnat".
2372 * configure: Regenerated.
2374 * config/sparc/sparc.c (function_value): Treat all non-record
2375 aggregate types like used to treat UNION_TYPE.
2377 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2379 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2380 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2382 (MASK_MIX_SSE_I387): New.
2383 (TARGET_SSE): SSE2 imply SSE.
2384 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2385 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2386 (enum reg_class): Add new classes.
2387 (REG_CLASS_NAMES): Likewise.
2388 (REG_CLASS_CONTENTS): Likewise.
2389 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2390 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2391 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2392 (CLASS_MAX_NREGS): Use new macros.
2393 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2394 * i386.md (pushsf, movsf): Support SSE.
2395 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2396 splitters to use ANY_FP_REGNO_P.
2397 (movdf_nointeger, movdf_integer): Likewise.
2399 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2401 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2402 (try_combine): Use it.
2404 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2406 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2407 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2408 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2409 (REGISTER_MOVE_COST): Likewise.
2410 * i386-protos.h (ix86_secondary_memory_needed,
2411 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2412 * i386.c (ix86_secondary_memory_needed,
2413 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2415 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2417 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2418 (HARD_REGNO_MODE_OK): Move offline to ....
2419 * i386.c (ix86_hard_regno_mode_ok) ... here;
2420 refuse all incorrect modes.
2421 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2423 2001-02-13 Richard Henderson <rth@redhat.com>
2425 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2426 entire operator; replicate that and match_dup the operands.
2427 (cmp_ccx_arith_op_set): Likewise.
2428 (cmp_cc_arith_op_not_set): Likewise.
2429 (cmp_ccx_arith_op_not_set): Likewise.
2431 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2433 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2435 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2437 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2438 (TARGET_NO_BITFIELD_WORD): New macro.
2439 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2440 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2442 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2444 * cselib.c: New file, from simplify-rtx.c.
2445 * simplify-rtx.c: Remove cselib parts.
2446 * Makefile.in: Add cselib.o.
2448 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2450 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2451 (setup_incoming_varargs): Remove warning.
2453 * config/rs6000/rs6000.c (validate_condition_mode): When
2454 flag_fast_math, allow floating-point conditionals to be reversed.
2455 (rs6000_generate_compare): When flag_fast_math, don't generate
2456 cror operations for FP conditionals.
2458 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2460 (ASM_SPEC): Likewise.
2461 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2462 (CC1_SPEC): Likewise.
2463 (LINK_TARGET_SPEC): Likewise.
2464 (CPP_ENDIAN_SPEC): Likewise.
2465 * Makefile.in (check-consistency): New target.
2467 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2469 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2470 "return type defaults" warning for functions with return type
2472 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2473 function declarations by default rather than only when pedantic.
2475 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2477 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2480 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2482 * extend.texi (Deprecated): Deprecate new initializer lists.
2484 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2486 * mkdeps.c (deps_add_default_target): Robustify. Add
2487 basename component only.
2488 * cpp.texi (-M): Describe how default target is generated.
2489 * invoke.texi (-M): Likewise.
2491 2001-02-12 Kazu Hirata <kazu@hxi.com>
2493 * toplev.c (push_float_handler): Remove.
2494 (pop_float_handler): Remove.
2495 * toplev.h: Remove prototypes for the above functions.
2497 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2499 * c-common.c (constant_fits_type_p): New function.
2500 (convert_and_check): Use it.
2502 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2504 * Makefile.in (GXX_ABI_FLAG): Don't define.
2505 * configure.in (--enable-new-gxx-abi): Remove option.
2506 * config.in: Regenerated.
2507 * configure: Likewise.
2509 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2511 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2513 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2514 regular basic block, and arrange for all edges into it to switch
2517 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2519 * Makefile.in (distclean): Do not remove .gdbinit.
2521 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2523 * Makefile.in (gcc.o): Fix typos.
2524 (protize.o): Likewise.
2525 (unprotoize.o): Likewise.
2527 2001-02-11 Richard Henderson <rth@redhat.com>
2529 * tree.c (build1): Check for null operand in last change.
2531 2001-02-11 Richard Henderson <rth@redhat.com>
2533 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2534 (fold): Don't assume a constant isn't foldable.
2535 * tree.c (build): Set TREE_CONSTANT for an expression with no
2536 side-effects and constant operands.
2539 2001-02-10 Richard Henderson <rth@redhat.com>
2541 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2543 2001-02-10 Anthony Green <green@redhat.com>
2545 * cpp.texi (Standard Predefined): Add documentation for
2548 * c-common.c (combine_strings): Improve warning message.
2550 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2552 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2554 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2556 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2558 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2561 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2563 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2566 2001-02-09 Nick Clifton <nickc@redhat.com>
2568 * config/arm/arm.md: Change output contraint on post inc
2569 load/store multiple patterns to be a read/write contraint.
2571 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2573 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2574 .o files when using the -M options.
2576 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2577 David Edelsohn <edelsohn@gnu.org>
2579 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2580 handle DImode constants. Use one TOC entry for SImode and smaller
2581 constants, aligned properly.
2583 2001-02-08 Jason Merrill <jason@redhat.com>
2585 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2586 about the SP adjustment for saving the static chain pointer.
2587 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2588 offset when setting a temporary CFA register.
2590 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2592 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2593 powerpc-*-chorusos* .
2594 * config/rs6000/chorus.h : New file.
2595 * config/i386/chorus.h : New file.
2596 * config/sparc/chorus.h : New file.
2597 * config/sparc/t-chorus-elf : New file.
2599 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2601 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2602 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2603 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2604 (__WCHAR_TYPE__): Correct macro name.
2606 2001-02-08 Richard Henderson <rth@redhat.com>
2608 * config/i386/i386.c (ix86_frame_pointer_required): New.
2609 (ix86_setup_frame_addresses): New.
2610 (struct machine_funciton): Add accesses_prev_frame.
2611 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2612 ix86_frame_pointer_required.
2613 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2614 (SETUP_FRAME_ADDRESSES): New.
2615 * config/i386/i386-protos.h: Update.
2616 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2617 from FRAME_POINTER_REQUIRED.
2618 * config/i386/svr3gas.h: Likewise.
2619 * config/i386/sysv3.h: Likewise.
2620 * config/i386/v3gas.h: Likewise.
2622 2001-02-08 Richard Henderson <rth@redhat.com>
2624 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2625 calculation of the number of integer registers required.
2626 (function_arg_record_value): Likewise.
2628 2001-02-08 Jason Merrill <jason@redhat.com>
2630 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2631 two. Print file and line with "confused" message.
2633 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2635 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2637 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2639 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2641 * final.c (cleanup_subreg_operands): The address of a MEM can
2644 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2647 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2649 * gcc.texi (Incompatibilities): Update documentation of
2650 preprocessing numbers.
2652 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2654 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2656 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2658 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2660 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2661 * gcc.c (struct compiler): Add cpp_spec field.
2662 (input_file_compiler): New variable.
2663 (do_spec_1): Allow a particular compiler to handle `%C'
2665 (main): Store the current compiler in input_file_compiler.
2666 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2668 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2670 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2671 * cppinit.c (cpp_create_reader): Initialize them.
2672 (append_include_chain): cxx_aware arg might be unused.
2673 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2674 keywords and give them their phase 7 meaning. Pedwarn about
2675 this unless '__bool_true_false_are_defined' is defined.
2677 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2679 * lcm.c (optimize_mode_switching): Emit mode_set before the
2680 JUMP_INSN of an abnormal edge.
2682 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2684 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2685 a scheduling barrier at the end.
2687 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2689 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2691 * config/sh/sh.md (reload_outsf): Removed.
2692 (movsf_ie): Introduce constraints for FPUL loads and stores.
2693 (reload_insf): Broaden the output constraint.
2695 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2697 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2698 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2700 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2702 * final.c: Revert my previous changes.
2703 * output.h: Make profile_label_no extern.
2704 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2705 for generating label.
2707 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2709 * config/i386/djgpp.h: Add comments about standard paths.
2710 (MD_EXEC_PREFIX): Undefine before defining.
2711 (MD_STARTFILE_PREFIX): New.
2713 2001-01-30 Bruce Korb <bkorb@gnu.org>
2715 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2716 (load_file): do not rely on load_file_data() to close file pointer
2717 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2718 fixinc/inclhack.def(irix_limits_const): add test_text
2720 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2722 * cppexp.c (parse_defined): Improve diagnostics for invalid
2725 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2727 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2729 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2731 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2732 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2733 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2734 (rs6000_output_symbol_ref): New function.
2735 (output_toc): Use VTABLE_NAME_P.
2737 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2739 * print-tree.c (print_node, case PARM_DECL):
2740 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2742 * stor-layout.c (reference_types_internal): New variable.
2743 (internal_reference_types): New function.
2744 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2745 * tree.h (internal_reference_types): New declaration.
2747 * cse.c (find_best_addr): Fix typo in computing cost.
2749 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2751 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2752 and this is the sum of a pointer and a constant, we know the result
2754 (num_sign_bit_copies, case PLUS): Likewise.
2755 * explow.c (convert_memory_address): Remove opposite SUBREG.
2756 * function.c (instantiate_new_reg): New function (from common code).
2757 (instantiate_virtual_regs_1): Call it.
2758 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2759 if pointers sign- or zero-extend.
2760 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2761 If pointers extend unsigned, use inside of SUBREG.
2762 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2764 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2766 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2767 subdir of gcc_gxx_include_dir.
2768 (gcc_gxx_target_include_dir): Remove.
2770 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2772 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2773 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2774 a high-level description.
2776 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2778 * final.c: Move the declaration of profile_label_no to ...
2779 * output.h: ... here.
2780 * function.c (expand_function_start): Call PROFILE_HOOK.
2781 * config/rs6000/aix.h: Define PROFILE_HOOK.
2782 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2783 * config/rs6000/rs6000.c (output_profile_hook): Define.
2784 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2785 output_profile_hook.
2786 tm.texi : Explain new macro PROFILE_HOOK.
2788 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2790 * extend.texi (Extended Asm): Do not say that semicolon is always
2791 a valid line-breaking character for GNU assemblers. Use
2792 newline-tab as the most commonly supported syntax. Use
2793 newline-tab rather than semicolon in multi-insn examples.
2795 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2797 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2799 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2800 David Edelsohn <edelsohn@gnu.org>
2802 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2803 code for AIX, even without flag_pic.
2805 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2807 * c-typeck.c (common_type): push and pop binding level around
2808 calling common_type on function parameters.
2810 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2812 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2814 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2816 * config/mips/mips.c (override_options): Fix typo in last change.
2817 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2818 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2820 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2822 * invoke.texi (-fdump-class-layout): Document.
2823 (-fdump-translation-unit): Use `=' as filename separator.
2825 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2827 * Makefile.in (s-mlib): Don't build multilibs if
2829 (DRIVER_DEFINES): Adjust accordingly.
2831 (protoize.o): Likewise.
2832 (unprotoize.o): Likewise.
2833 * configure.in: Recognize --enable-multilib.
2835 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2837 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2839 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2840 * configure.in: Remove --enable-libstdcxx_v3 support.
2841 * configure: Regenerated.
2843 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2845 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2846 Call abort instead of fatal.
2847 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2848 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2849 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2850 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2851 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2852 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2854 * diagnostic.h (set_internal_error_function): Renamed.
2855 * toplev.h (internal_error): Renamed from fatal.
2856 (pfatal_with_name): Deleted.
2857 (fatal_io_error): Now has printf-style arguments.
2858 * diagnostic.c (pfatal_with_name): Deleted.
2859 (fatal_io_error): Rework to have args in printf-style.
2860 (set_internal_error_function): Renamed from set_fatal_function.
2861 (internal_error): Renamed from fatal.
2862 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2863 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2864 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2865 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2866 * flow.c (verify_flow_info): Likewise.
2867 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2868 * config/mips/mips.c (save_restore_insns): Likewise.
2870 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2871 * flow.c (verify_flow_info): Likewise.
2872 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2873 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2874 (avr_normalize_condition): Likewise.
2875 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2876 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2877 (limit_reload_class, double_reg_to_memory): Likewise.
2878 (print_operand_address, emit_1600_code_shift): Likewise.
2879 (gen_tst_reg, gen_compare_reg): Likewise.
2880 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2881 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2883 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2885 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2886 * objc/objc-act.c (build_ivar_chain): Likewise.
2887 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2889 * graph.c (clean_graph_dump_file): Likewise.
2890 * profile.c (init_branch_prob): Likewise.
2891 * objc/objc-act.c (objc_init): Likewise.
2893 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2894 * config/avr/avr.c (avr_override_options): Likewise.
2895 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2896 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2897 * config/h8300/h8300.c (h8300_init_once): Likewise.
2898 * config/mips/mips.c (override_options): Likewise.
2899 * config/i386/i386.c (override_options): Likewise, rework.
2900 * config/m68k/m68k.c (override_options): Likewise.
2902 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2904 * config/mips/mips.c (print_operand): Likewise.
2905 * hash.c (hash_allocate): Don't check for failure returns from
2906 obstack functions that can't fail.
2907 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2908 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2909 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2910 (get_object_reference): Likewise.
2912 2001-02-04 Nick Clifton <nickc@redhat.com>
2914 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2915 StrongARM1110, 10TDMI, and 1020T.
2917 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2919 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2921 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2923 * config/sh/sh.md (movdf load split): Pass register number to
2924 FP_OR_XD_REGISTER_P.
2926 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2928 * cppinit.c (BC): New macro.
2929 (builtin_array): Add __GXX_WEAK__.
2930 * cpplib.h (builtin_type): Add BT_WEAK.
2931 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2932 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2933 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2935 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2937 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2939 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2941 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2942 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2944 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2946 * cpphash.h: Rename ALIGN _ALIGN.
2947 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2949 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2951 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2952 compilation environment.
2953 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2954 control over location of cygwin includes and libs.
2956 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2958 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2960 2001-02-02 lars brinkhoff <lars@nocrew.org>
2962 * md.texi (Standard Names): remove reference to spur.md.
2964 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2966 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2967 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2968 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2969 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2970 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2972 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2974 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2975 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2976 number before reload.
2977 (c4x_adjust_cost): Return zero before reload.
2978 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2979 split before reload.
2981 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2983 * c4x.c (c4x_hard_regno_rename_ok): New.
2984 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2985 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2987 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2989 * diagnostic.h: Add missing "extern" in all declarations.
2991 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2993 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2994 as for gcc_gxx_include_dir.
2996 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2998 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3000 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3002 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3003 label before alignment to be used as the braf base address.
3004 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3006 (casesi_jump_2): Require at least TARGET_SH2.
3008 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3009 truncation to 32-bit doubles on -m3e and -m4-single-only.
3011 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3013 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3014 the default when building a shared object.
3015 (init_spec): Use it.
3016 * testsuite/lib/g++.exp: Include the directory where libgcc
3017 is located to the LD_LIBRARY_PATH list.
3018 * invoke.texi (-shared-libgcc): Document the cases in which
3019 GCC defaults to using the shared libgcc.
3021 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3023 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3024 unsigned is wide enough.
3026 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3027 (si_to_float): Likewise.
3028 (float_to_si, float_to_usi): Use BITS_PER_SI.
3030 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3032 * dwarf2out.c: Added explanation of abbreviations.
3033 (def_cfa_1): Added comments listing DWARF2 instructions.
3034 (cfa_temp_reg): Removed in favor of cfa_temp.
3035 (cfa_temp_value): Removed in favor of cfa_temp.
3036 (cfa_temp): New global variable.
3037 (dwarf2out_frame_debug_expr): Added extensive introductory
3038 comments explaining the function's transformations. Revised to
3039 use cfa_temp. Added some rtx checking. Generalize IOR case.
3040 (dwarf2out_frame_debug): Revised to use cfa_temp.
3041 (output_aranges): Cast as "unsigned" to avoid warning.
3042 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3043 explain which instructions must be marked.
3045 2001-02-01 Richard Henderson <rth@redhat.com>
3047 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3050 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3052 * config/sh/crt1.asm (main_k): Modified so that start calls
3053 ___setup_argv_and_call_main.
3055 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3057 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3058 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3059 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3060 * cppmacro.c (builtin_macro): Set builtin flags here.
3061 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3062 (replace_args): Clarify intent.
3063 (cpp_get_token): Macro expansion tokens get the saved flags.
3065 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3068 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3070 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3073 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3075 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3076 returns Pmode pseudo, but we need ptr_mode.
3077 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3078 Remove bogus conversions; use HOST_WIDE_INT for size.
3079 Don't use TARGET if wrong mode.
3081 * config/i386/i386.c (ix86_compute_frame_size): Allow
3082 stack_alignment_needed to be non-default even if size is zero.
3084 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3086 * (hppa_init_pic_save): Emit the pic offset table
3087 reg save after last_parm_insn.
3088 * pa.c (hppa_init_pic_save): New function.
3089 * pa.h (hppa_init_pic_save): Declare.
3090 * pa.md (call, call_value, sibcall, sibcall_value): Use
3091 the above instead of duplicated code.
3093 * pa.c (hppa_encode_label): Correct size of alloca buffer
3094 so we don't overrun it. Correct leading `*' case.
3095 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3096 need to handle `*@'.
3097 (FUNCTION_NAME_P): Likewise.
3099 2001-01-31 Richard Henderson <rth@redhat.com>
3101 * config.gcc (alpha-osf5): Use float-i128.h.
3103 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3104 * config/float-i32.h: Likewise.
3105 * config/float-i64.h: Likewise.
3106 * config/float-sh.h: Likewise.
3107 * config/float-sparc.h: Likewise.
3109 2001-01-31 DJ Delorie <dj@redhat.com>
3111 * expmed.c (extract_bit_field): allow non-integral modes if we
3112 want to extract a whole register from itself.
3114 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3116 * c-typeck.c (set_init_index): If first is equal to last, assume as
3117 if it was not a range at all.
3119 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3121 * config/fp-bit.c: Include tm.h.
3122 (float_to_si): Don't assume SImode is 32-bits wide.
3123 (float_to_usi): Likewise.
3125 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3127 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3129 (typename): Call pending_xref_error after parsing typed_typespecs.
3130 * c-decl.c (lookup_tag): Give error immediately rather than
3131 leaving it pending if the tag of the wrong type is in the same
3133 (xref_tag): Don't pedwarn for forward declarations of enum types
3135 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3138 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3140 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3142 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3144 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3145 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3147 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3149 * cpphash.h (struct cpp_reader): New saved_flags.
3150 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3151 to avoid a paste after a pasted token.
3153 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3155 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3156 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3157 Wtype_MIN instead of LONG_MIN.
3159 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3161 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3163 * fixinc/fixincl.x: Regenerated.
3164 * fixinc/inclhack.def (irix_limits_const): New definition to
3165 convert "const" to "__const" in limits.h.
3167 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3169 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3171 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3173 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3174 when register dies in the insn.
3176 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3178 * diagnostic.c (fatal): Fix word wrap.
3180 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3182 * combine.c (try_combine): Fix SUBREG setting for
3183 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3185 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3187 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3190 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3192 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3194 * toplev.c (decode_W_option): Update warn_larger_than
3195 unconditionally for each processed switch.
3197 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3199 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3201 (hppa_expand_prologue): Delete code to save pic offset table register
3202 in the function prologue.
3203 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3204 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3205 table register at the beginning of the function after the prologue.
3207 2001-01-29 lars brinkhoff <lars@nocrew.org>
3209 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3211 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3212 Jeff Law <law@redhat.com>
3214 * pa.md (return): Revise comment for trivial return.
3215 (return_internal): Non-trivial return pattern for non-PIC code.
3216 (return_internal_pic): Non-trivial return pattern for PIC code.
3217 It uses the PIC register to ensure it is restored after
3219 (epilogue): Generate appropriate return for PIC and non-PIC code.
3221 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3223 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3225 2001-01-29 DJ Delorie <dj@redhat.com>
3227 * combine.c (if_then_else_cond): Pass the correct mode to
3228 operand_subword() for constants.
3230 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3232 * config/i386/cygwin.h: Add w32api to include search. Search different
3233 directories in a cross-build environment.
3235 2001-11-29 Tim Josling <tej@melbpc.org.au>
3237 * tree.h (TYPE_STUB_DECL): Add documentation.
3239 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3241 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3242 (sdbout_field_types): Likwise. Fix use of host_integerp.
3244 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3246 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3249 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3251 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3252 to use flag_gnu_linker.
3254 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3256 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3257 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3259 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3261 * tree.c, tree.h (build_parse_node): Remove; was identical to
3263 * c-lang.c (start_cdtor), objc/objc-act.c
3264 (build_module_descriptor): Use build_nt instead of
3267 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3269 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3270 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3271 not have any upper bits set.
3273 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3275 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3277 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3279 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3281 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3283 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3284 (integer_minus_one_node): Define.
3286 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3288 * Makefile.in (bootstrap2-lean): Fix typo.
3290 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3292 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3293 : Don't set fe_value.
3294 * cpplib.h (AVOID_LPASTE): New flag.
3295 (struct cpp_hashnode): Remove fe_value.
3296 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3297 * cppmacro.c (builtin_macro): Don't set flags here.
3298 (replace_args): Set AVOID_LPASTE flag on first token of an
3299 argument, and the token following it.
3300 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3301 macro expansion, and on the token following it. Do it for
3303 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3305 2001-01-27 Richard Henderson <rth@redhat.com>
3307 * config/alpha/t-ieee: Remove multilibbing.
3308 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3310 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3312 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3314 * Makefile.in: Remove all dependencies on defaults.h.
3315 * builtins.c: Don't include defaults.h.
3316 * c-common.c: Likewise.
3317 * c-decl.c: Likewise.
3318 * c-pragma.c: Likewise.
3319 * c-typeck.c: Likewise.
3320 * combine.c: Likewise.
3322 * frame-ia64.c: Likewise.
3323 * cppexp.c: Likewise.
3324 * crtstuff.c: Likewise.
3325 * dbxout.c: Likewise.
3326 * dwarf2out.c: Likewise.
3327 * dwarfout.c: Likewise.
3328 * emit-rtl.c: Likewise.
3329 * except.c: Likewise.
3331 * final.c: Likewise.
3332 * frame-dwarf2.c: Likewise.
3333 * libgcc2.c: Likewise.
3334 * optabs.c: Likewise.
3335 * profile.c: Likewise.
3336 * sdbout.c: Likewise.
3337 * toplev.c: Likewise.
3338 * tradcif.y: Likewise.
3340 * varasm.c: Likewise.
3342 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3344 * builtins.c (expand_builtin_fputs): Use size_one_node when
3345 transforming into fwrite.
3347 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3349 * extend.texi (Attribute Syntax): New section.
3351 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3353 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3354 they didn't need fixing.
3356 2001-01-27 Janis Johnson <janis@us.ibm.com>
3358 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3360 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3361 to remove macro definitions that are duplicated from elfos.h.
3363 2001-01-27 Richard Henderson <rth@redhat.com>
3365 * config/i386/sco5gas.h: Move ...
3366 * config/usegas.h: ... here.
3367 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3369 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3371 * c-typeck.c (struct constructor_stack): Add range_stack member.
3372 (really_start_incremental_init): Clear it.
3373 (push_init_level): Save constructor_range_stack and clear it if
3374 pushing explicit braces.
3375 (pop_init_level): abort if constructor_range_stack is non-zero at
3376 explicit closing brace. Restore saved constructor_range_stack if
3379 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3381 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3382 into register was forced into memory.
3384 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3386 * Makefile.in: Remove uses of + before $(MAKE).
3388 2001-01-26 Richard Henderson <rth@redhat.com>
3390 * stmt.c (cost_table): Remove.
3391 (COST_TABLE, cost_table_initialized): New.
3392 (estimate_case_costs): Use the later instead of the former.
3393 (balance_case_nodes): Likewise.
3395 2001-01-26 Richard Henderson <rth@redhat.com>
3397 * alias.c (objects_must_conflict_p): Read-only slots may not
3398 conflict despite having the same type.
3400 2001-01-27 Michael Hayes <mhayes@redhat.com>
3402 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3404 (check_ext_dependant_givs): Initialise u_start_val and
3406 (load_mems): Make last_max_reg unsigned.
3407 (try_swap_copy_prop): Use INSN_P and initialise set.
3409 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3411 * README.AVR : Removed.
3413 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3415 * pa-64.h (text_section): Remove declaration.
3417 * pa.md (return_internal): Remove mode on PIC register use.
3419 2001-01-25 lars brinkhoff <lars@nocrew.org>
3421 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3422 ASM_CLOSE_PAREN): fix typos.
3424 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3426 * acconfig.h: Define `const' to the empty string if neither
3427 __STDC__ nor __cplusplus is defined.
3428 * config.in: Regenerated.
3430 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3432 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3433 * collect2.c (main): Delete importf. Add ".obj" file extension.
3434 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3435 (aix_std_libs): Add additional AIX libraries to skip.
3436 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3437 * config/rs6000/aix51.h: New file.
3439 2001-01-25 Michael Hayes <mhayes@redhat.com>
3441 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3442 (loop_insn_emit_before): No longer static.
3443 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3444 (loop_givs_rescan, load_mems): Likewise.
3445 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3446 (maybe_eliminate_biv_1):
3447 (move_movables): Replace emit_call_insn_before with
3448 loop_call_insn_hoist.
3449 * loop.h (loop_insn_emit_before): Add.
3450 * unroll.c (copy_loop_body): Replace emit_insn_before with
3451 loop_insn_emit_before.
3453 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3455 * diagnostic.c (fatal): Request preprocessed source.
3457 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3459 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3460 olddecl has argument types and newdecl has none, use the argument
3463 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3465 * dwarf2out.c (prefix_of): New function. Determine longest common
3466 prefix of the two arguments. The units are whole path components.
3467 (output_file_names): When adding a new directory find the one entry
3468 with the longest common prefix already in the list. Artificially
3469 generate entry if there is none for this prefix.
3470 Fix test to check whether the zeroth directory entry is used.
3472 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3474 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3475 Changed all callers. Take it into account when deciding if a
3476 previously loaded value matches.
3478 2001-01-24 Richard Henderson <rth@redhat.com>
3480 * reload.c (find_reloads_subreg_address): Fail the substitution
3481 if the resulting address is insufficiently aligned.
3483 2001-01-24 DJ Delorie <dj@redhat.com>
3485 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3486 check the original operand's mode also.
3487 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3489 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3491 * c-parse.in (cast_expr): Move compound literals from here ...
3492 (primary): ... to here. Use standard terminology "compound
3493 literal" instead of "constructor expression".
3495 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3497 * gcc.1, cpp.1: Regenerate.
3499 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3501 * calls.c (emit_library_call_value_1): Memory slot for
3502 pass-by-reference argument should have the mode of the argument,
3503 not of the pointer to it.
3505 2001-01-24 Tom Tromey <tromey@redhat.com>
3507 * gcc.texi (G++ and GCC): Mention gcj manual.
3508 (Standards): Link to section of manual mentioning gcj/Java
3511 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3513 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3514 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3515 * tradcpp.c (main): Add -imacros or -include'd dependencies
3517 * cpp.texi (-M, -MM): Document -M -include behaviour.
3519 2001-01-24 Roger Collins <roger@ProProject.com>
3521 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3523 2001-01-24 Will Cohen <wcohen@redhat.com>
3525 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3526 whether registers are 32 bits or 64 bits in size.
3528 2001-01-24 Ben Elliston <bje@redhat.com>
3530 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3532 2001-01-24 Richard Henderson <rth@redhat.com>
3534 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3535 (builtin_longjmp): Use it instead of emit_indirect_jump.
3537 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3539 * bb-reorder.c (make_reorder_chain_1): Handle case where
3540 jump edge goes to the same block as the fallthru edge.
3542 2001-01-23 Jim Wilson <wilson@redhat.com>
3544 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3545 * frame.h (__ia64_personality_v1): Add prototype.
3546 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3547 prototype form. Add void * cast to first argument to personality
3549 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3550 (asctoe113): Likewise.
3551 * config/ia64/frame-ia64.c: Include eh-common.h.
3552 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3554 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3556 (itanium_split_issue): Add prototype.
3557 (gen_nop_type): Ifdef out.
3558 (find_best_packet): Initialize best_packet.
3559 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3561 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3562 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3563 (flushrs): Add explicit stop bit at end.
3564 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3567 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3569 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3571 * libgcc2.c (__terminate_func): Make variable static.
3572 (__terminate_set_func): New function to set __terminate_func.
3573 * libgcc2.h (__terminate_func_ptr): New typedef.
3574 (__terminate_set_func): New function.
3576 2001-01-23 Richard Henderson <rth@redhat.com>
3578 * flow.c (init_propagate_block_info): Don't consider unchanging
3579 memories for dead frame store elimination.
3581 2001-01-23 Richard Henderson <rth@redhat.com>
3583 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3584 * defaults.h: ... here.
3586 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3588 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3590 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3592 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3594 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3596 * rs6000.h (rs6000_return_addr): Move prototype from here...
3597 * rs6000-protos.h (rs6000_return_addr): ...to here.
3598 (rs6000_init_expanders): Delete prototype.
3600 2001-01-23 Nick Clifton <nickc@redhat.com>
3602 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3603 (Spec Files): Document %B and %j and %. and %v3 and %M and
3604 %{S*&T} spec switches.
3606 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3608 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3610 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3611 Neil Booth <neil@daikokuya.demon.co.uk>
3613 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3614 Have -Werror make pedantic warnings errors, like the
3617 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3619 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3621 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3623 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3624 * integrate.c (expand_inline_function): Initialize them.
3625 (subst_constants): If changing COMPARE so that both its arguments
3626 will be VOIDmode and the comparison mode will be lost, note
3627 compare_mode. Use the recorded compare_mode to optimize
3630 2001-01-23 Jason Merrill <jason@redhat.com>
3632 * dwarf2out.c (new_die): Use xcalloc.
3633 (output_die): Abort rather than emit a local reference to offset 0.
3635 2001-01-17 Andrew Haley <aph@redhat.com>
3637 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3638 of a saved register; return NULL instead.
3639 (copy_reg): Take a pointer to a source register rather than a
3641 (next_stack_level): Remember the address in the stack frame of all
3643 Use the saved register pointer array as the source of the CFA.
3644 (throw_helper): Rewrite. Unwind once rather than twice and keep
3645 track of saved registers as we go.
3647 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3649 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3650 * c4x.c (c4x_legitimize_reload_address): Remove.
3651 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3652 reload address for ldp(k) insn.
3654 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3656 * pa.md (return_internal): Add a USE of the PIC register to ensure
3657 it is restored after each call.
3658 (return expander): Corresponding changes.
3660 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3662 * rs6000.h (INIT_EXPANDERS): Delete.
3663 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3664 * rs6000.c (rs6000_override_options): Call *_machine_status from
3666 (rs6000_init_expanders): ...instead of here. Delete.
3667 (rs6000_mark_machine_status): New function.
3668 (rs6000_init_machine_status): Use xcalloc.
3669 (rs6000_return_addr): Generate RTX for the return address.
3670 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3671 (rs6000_stack_info): Use it.
3673 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3675 * gthr-win32.h: Include errno.h to get a declaration for
3676 EINVAL and _mingw.h if the target is mingw32.
3678 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3680 * cpp.texi: Correct typos.
3682 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3684 * explow.c (probe_stack_range): Ensure value passed to
3685 stack_check_libfunc is ptr_mode, not Pmode.
3687 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3689 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3690 case, don't use operand_subword to calculate a SUBREG that is
3693 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3695 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3697 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3698 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3699 valid. If not replace it by equivalent insns.
3701 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3703 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3704 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3705 (c4x_U_constraint, symbolic_address_operand): Likewise.
3706 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3708 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3709 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3710 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3711 anulling slot because of silicon bug.
3712 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3714 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3716 * cppexp.c (parse_charconst): Change `mask' type to agree
3719 2001-01-21 Richard Henderson <rth@redhat.com>
3721 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3722 pic_label_name in a linkonce section.
3724 2001-01-17 Philipp Thomas <pthomas@suse.de>
3726 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3728 * configure: Regenerate.
3730 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3732 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3733 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3735 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3737 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3738 If REVERSE nonzero then condition code in X must be reversed.
3739 (encode_section_info): Optimise if/else.
3740 (avr_function_value): Fix formatting.
3742 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3743 (difficult_branch): Likewise.
3744 (rvbranch): Likewise.
3745 (difficult_rvbranch): Likewise.
3747 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3749 * config/avr/libgcc.S: Fix comment.
3751 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3753 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3755 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3757 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3759 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3761 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3762 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3763 * configure, config.in: Regenerate.
3764 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3765 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3766 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3767 (doprint.o): New rule.
3769 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3771 * c-typeck.c (digest_init): Handle boolean types as scalars.
3773 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3775 * stmt.c (expand_return): Don't return anything if size is zero.
3776 Delete redundant assignment to BYTES.
3777 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3779 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3781 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3782 the same as the default library function names.
3783 * config/avr/avr.md: Document special characters after '%'.
3784 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3785 knowing which of the call-used registers are really clobbered.
3786 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3787 New. Both quotient and remainder from one libgcc.S call.
3788 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3789 clobber as few registers as possible.
3790 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3792 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3794 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3795 context of the top of the stack.
3797 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3799 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3800 (fixup_var_refs_insns): ...here.
3802 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3804 * function.c (fixup_var_refs_insns): Break up into
3805 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3806 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3807 [loop over hash table entries].
3808 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3809 fixup_var_refs_insns_with_hash, to match above changes.
3811 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3813 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3814 (libgcc.a): Likewise.
3815 (stmp-multilib): Likewise.
3816 (STAGE2_FLAGS_TO_PASS): Likewise.
3818 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3820 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3821 temporary if no_new_pseudos.
3823 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3825 * cppinternals.texi: Update.
3827 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3829 * arm.c (arm_init_builtins): Re-enable builtins.
3831 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3833 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3834 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3835 element to be null, and always expect an EXPR_LIST.
3836 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3837 * sched-deps.c (sched_analyze_1): Likewise.
3838 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3840 * regclass.c (max_set_parallel): New variable.
3841 (reg_scan): Take it into account in computation of max_parallel.
3842 (reg_scan_mark_refs, case SET): Compute it.
3844 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3846 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3847 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3849 2001-01-19 Jason Merrill <jason@redhat.com>
3851 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3852 for the abstract instance of an inline function.
3854 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3855 J"orn Rennecke <amylaar@redhat.com>
3857 * reload1.c (move2add_note_store): Treat all registers directly or
3858 indirectly derived from a base register as members of the same set
3860 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3861 of base register into account.
3863 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3865 * alias.c (find_base_value): Recognize TRUNCATE.
3866 (record_set): In PLUS case, invalidate if other summand is also a
3869 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3871 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3872 entry to be EXPR_LIST.
3873 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3874 be an EXPR_LIST (but not null, which other code doesn't allow).
3875 (note_stores): Properly handle PARALLEL in SET.
3876 Recursively call for top-level PARALLEL.
3877 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3878 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3880 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3882 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3884 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3885 not pfile->skipping (== 0).
3887 2001-01-17 Nick Clifton <nickc@redhat.com>
3889 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3892 2001-01-17 Jim Wilson <wilson@redhat.com>
3894 * invoke.texi (IA-64 options): Improve.
3896 2001-01-17 Tom Tromey <tromey@redhat.com>
3898 * invoke.texi (Optimize Options): Use `{}' to around @samp
3901 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3903 * invoke.texi (-fno-guess-branch-probability): New option.
3905 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3907 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3908 case of making new double-word constant.
3909 Revert last change: instead just test i3_subst_into_i2.
3911 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3913 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3914 Use q constraints instead of r.
3916 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3918 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3919 (machine_function): Define.
3920 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3921 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3922 pa_free_machine_status): New functions.
3923 (override_options): Set {init,mark,free}_machine_status to above.
3924 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3925 PIC_OFFSET_TABLE_REGNUM_SAVED.
3926 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3927 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3928 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3929 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3930 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3932 2001-01-15 DJ Delorie <dj@redhat.com>
3934 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3938 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3940 * flow.c (propagate_on_insn): Make trying to delete a prologue
3941 or epilogue insn an ICE, not a warning. Allow doing this if
3942 the current function returns with stack pointer depressed.
3944 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3945 I3 having more than one SET.
3947 2001-01-16 Jim Wilson <wilson@redhat.com>
3949 * invoke.texi: Document IA-64 options.
3951 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3952 (fixup_errata): Delete TARGET_A_STEP use.
3953 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3954 (TARGET_SWITCHES): Delete -ma-step option.
3955 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3956 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3957 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3958 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3959 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3960 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3962 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3963 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3964 cmovsi_internal): Delete ! TARGET_A_STEP check.
3966 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3968 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3969 possibility to report bugs via postal mail. Change a URL and
3970 merge in a nearly duplicate statement...
3971 (Bug Reporting): ...from here.
3972 (Service): Refer to the Bug Reporting section instead of
3974 (Contributing): Remove trivial explanations concerning snapshots.
3976 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3978 * cppmain.c (general_init): Don't use ANSI prototype.
3980 2001-01-16 Tom Tromey <tromey@redhat.com>
3982 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3984 2001-01-16 Richard Henderson <rth@redhat.com>
3986 * config/i386/i386.h: Fix comment typo.
3987 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3988 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3990 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3992 * gcc.c: Revert previous -fsyntax-only-related change; move
3995 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3997 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3998 inmode after checking GET_CODE (op).
4000 2001-01-16 Richard Henderson <rth@redhat.com>
4002 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4003 (MAX_MEM_SET_LIST_LEN): New.
4004 (propagate_one_insn): Update mem_set_list_len.
4005 (invalidate_mems_from_autoinc): Likewise.
4006 (invalidate_mems_from_set): Likewise.
4007 (mark_used_regs): Likewise.
4008 (init_propagate_block_info): Likewise. Stop collecting memories
4009 when we reach MAX_MEM_SET_LIST_LEN.
4010 (mark_set_1): Likewise.
4012 2001-01-16 Richard Henderson <rth@redhat.com>
4014 * unroll.c (precondition_loop_p): Fail if no iteration
4017 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4019 * gcc.c: When -fsyntax-only is given, do not complain about
4022 2001-01-15 Richard Henderson <rth@redhat.com>
4024 * config/i386/i386.c (asm_output_function_prefix): Remove.
4025 (ix86_asm_file_end): New.
4026 (load_pic_register): Generate pic_label_name into a
4027 staticly allocated buffer.
4028 * config/i386/i386-protos.h: Update.
4029 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4030 (ASM_FILE_END): New.
4031 * config/i386/i386afe.h: New file.
4032 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4033 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4034 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4035 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4036 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4037 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4038 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4040 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4042 * Makefile.in (install-man): Remove explicit dependency on
4045 * configure.in, configure: Revert previous patch requiring perl
4048 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4050 * toplev.c (flag_guess_branch_prob): New.
4051 (f_options): Add guess-branch-probability option.
4052 (rest_of_decl_compilation): Only estimate branch probability if
4054 (main): set flag_guess_branch_prob.
4056 * flags.h (flag_guess_branch_prob): New.
4058 2001-01-15 DJ Delorie <dj@redhat.com>
4060 * gcc.texi (Makefile): Add documentation for Makefile targets.
4062 2001-01-15 Philip Blundell <philb@gnu.org>
4064 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4066 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4067 (is_pic): Delete declaration.
4068 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4069 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4070 * config/arm/arm.md (builtin_setjmp_receiver): New.
4072 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4074 * arm.c (use_return_insn): Don't try to determine the function type
4075 until after reload has completed.
4076 (arm_output_epilogue): Don't adjust the sp value recovered from the
4078 (emit_multi_reg_push): Don't record dwarf information for the pc.
4079 * arm.md (eh_epilogue): The function type may have changed, so it
4080 needs to be recalculated.
4081 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4082 unwind tables on arm/netbsd.
4084 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4086 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4087 (negated_cbranchsi4): Likewise.
4089 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4091 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4092 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4093 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4094 pass -mapcs-* options to assembler.
4095 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4096 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4097 (ASM_SPEC): Call subtarget_extra_asm_spec.
4099 2001-01-15 Andreas Jaeger <aj@suse.de>
4101 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4103 (ix86_expand_builtin): Likewise.
4105 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4106 warning about comparison between signed and unsigned.
4108 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4110 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4112 2001-01-14 Ralf Baechle <ralf@gnu.org>
4114 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4115 SUBTARGET_CPP_SPEC apropriatly.
4117 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4119 * varasm.c (make_decl_rtl): Fix typo in last change.
4121 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4123 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4124 linker supports the init_priority C++ attribute.
4125 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4126 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4127 linker does not support init_priority C++ attribute.
4129 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4131 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4133 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4135 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4136 * cp/lex.c (finish_parse): Similarly.
4137 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4138 Return the number of errors encountered.
4139 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4140 * cppmain.c (main): Don't call cpp_destroy.
4142 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4144 * configure.in: Require at least perl 5.6.0 to regenerate
4146 * configure: Regenerate.
4148 2001-01-14 Richard Henderson <rth@redhat.com>
4150 * genrecog.c (DT_veclen_ge): New.
4151 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4152 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4153 (nodes_identical_1): Handle DT_veclen_ge.
4154 (write_cond, debug_decision_2): Likewise.
4156 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4158 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4160 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4162 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4164 * cppmain.c (do_preprocessing): New function; most of the old
4166 (main): Call it to do most of the work.
4167 (cb): Move from global scope to set_callbacks ().
4168 (setup_callbacks): Get the callback pointer.
4169 (general_init, printer_init): Clean up code and comments.
4171 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4173 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4176 2001-01-14 Kazu Hirata <kazu@hxi.com>
4178 * config/h8300/h8300.c (get_shift_alg): Update comments.
4180 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4182 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4183 (alloc_page, ggc_alloc): Add casts to remove warnings.
4185 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4187 * combine.c (simplify_comparison): Don't change `code' when
4188 can't reverse comparison.
4190 2001-01-14 Richard Henderson <rth@redhat.com>
4192 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4193 update all call sites. Return true for all non-label constants.
4195 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4197 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4199 (ix86_expand_branch): Update.
4200 (ix86_expand_setcc): Update to handle multiple test conditions.
4201 (expand_int_movcc): Likewise.
4202 (expand_fp_movcc): Likewise.
4203 * i386-protos.h (ix86_expand_compare): New.
4204 * i386.md (andqi_?_slp, orqi_?_slp): New.
4205 (conditional trap expander): Update call to ix86_expand_compare.
4207 2001-01-14 Richard Henderson <rth@redhat.com>
4209 * config/vax/vax.md: Use nonimmediate_operand instead of
4210 general_operand in destinations.
4212 * config/vax/vax.md (indirect_jump): Use register_operand.
4214 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4215 * config/vax/vax.md (call_pop): Turn into an expander.
4216 (call_value_pop): Likewise.
4217 (call, call_value): New.
4219 2001-01-14 Andreas Jaeger <aj@suse.de>
4221 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4223 (ix86_fp_compare_mode): Add unused attribute.
4224 (ix86_expand_fp_movcc): Remove unused variable.
4225 (ix86_expand_builtin): Make fcode unsigned.
4227 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4228 (expand_expr): Add cast to avoid signed warning.
4229 (store_field): Likewise.
4230 (store_constructor_field): Likewise.
4231 (store_constructor): Likewise.
4232 (store_expr): Likewise.
4233 (clear_storage): Likewise.
4234 (emit_group_store): Likewise.
4235 (emit_group_load): Likewise.
4237 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4239 * c-common.c: Move format checking code to ...
4240 * c-format.c: ... here. New file. Reorder some functions and
4242 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4244 * c-common.h (decl_handle_format_attribute,
4245 decl_handle_format_arg_attribute): Declare.
4246 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4247 (c-common.o): Adjust dependencies.
4248 (c-format.o): New list of dependencies.
4250 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4252 * unroll.c (loop_iterations): If we cannot prove iteration variable
4253 is set once in each iteration, punt.
4255 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4257 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4258 (*strlenhi): Remove clobber (which was buggy) of output address.
4260 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4262 * Makefile.in (generated-manpages): Add gcc.1
4263 ($(srcdir)/gcc.1): New target.
4264 (maintainer-clean): Delete $(srcdir)/gcc.1.
4265 * gcc.texi: Add macros @gccoptlist and @gol.
4266 * invoke.texi: Include option summary in manpage. Mark up option
4267 summary with @gccoptlist and @gol. Use @r in one place where
4269 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4270 * gcc.1: Generate from invoke.texi.
4272 2001-01-13 Richard Henderson <rth@redhat.com>
4274 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4275 (struct page_entry): Add group member.
4276 (struct page_group): New.
4277 (struct globals): Add page_groups member.
4278 (alloc_anon): Only define for using mmap; remove valloc call.
4279 (page_group_index): New.
4280 (set_page_group_in_use): New.
4281 (clear_page_group_in_use): New.
4282 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4283 (free_page, release_pages): Likewise.
4284 * configure.in (with-gc): Default to ggc-page always.
4286 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4288 * reload1.c (replace_pseudos_in_call_usage): Use
4289 reg_equiv_constant and reg_equiv_address, and don't try
4290 regno_reg_rtx first.
4292 2001-01-13 Richard Henderson <rth@redhat.com>
4294 * ggc-page.c (alloc_page): Round up allocation size to one page.
4295 Set e->order on extra pages.
4297 2001-01-13 Richard Henderson <rth@redhat.com>
4299 * genrecog.c (nodes_identical): Expand commentary.
4300 (write_switch): Watch out for identical nodes.
4302 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4304 * cppfiles.c (_cpp_fake_include): New function.
4305 * cpphash.h (_cpp_fake_include): New.
4306 * cpplib.c (do_line): Call _cpp_fake_include when entering
4307 header files in preprocessed input.
4308 * cppmain.c (cb_pragma_implementation): Remove handling.
4309 (setup_callbacks): Don't register pragmas.
4311 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4313 * extend.texi: Udate for CPP.
4315 2001-01-13 Andreas Jaeger <aj@suse.de>
4317 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4319 * regmove.c: Add prototype for replace_in_call_usage.
4321 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4323 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4324 struct cpp_chunk, struct htab, struct toklist,
4325 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4326 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4327 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4328 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4329 (struct macro_args): Delete.
4330 * cpphash.h: See above.
4332 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4334 * cppmain.c (struct printer): Remove no_line_dirs.
4336 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4337 : Use options rather than CPP_OPTION.
4338 (setup_callbacks): Use cb rather than pfile->cb.
4339 (main): No need to check for a buffer. Use cpp_errors.
4340 (printer_init): Don't set no_line_dirs.
4341 (maybe_print_line): Use options not no_line_dirs.
4342 (cb_file_change): Don't call print_line if -P.
4344 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4346 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4348 * c-parse.in (finish_parse): Use cpp_errors.
4349 (__yylex): Use return value of cpp_pop_buffer.
4350 * cp/lex.c (finish_parse): Use cpp_errors.
4351 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4353 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4355 * README.AVR: URLs corrected.
4357 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4359 * c-decl.c (start_function): Don't warn if old prototype is builtin
4360 that's not in C's namespace.
4361 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4362 (_bb): Add prototype for ctime.
4363 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4365 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4367 * i386.c (ix86_fp_comparison_arithmetics_cost,
4368 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4369 ix86_fp_comparison_cost): New functions.
4370 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4371 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4372 two-branch sequences; make static.
4373 (ix86_use_fcomi_compare): Do decision according to the costs.
4374 (split_fp_branch): New.
4375 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4376 * i386-protos.h (ix86_expand_fp_compare): Remove
4377 (ix86_split_fp_branch): Declare.
4379 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4380 and ix86_comparison_operator.
4382 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4385 * i386.c (put_condition_code): Output properly the unordered/ordered
4386 compares in fp case.
4387 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4389 * tm.texi (REVERSE_CONDITION): Document.
4390 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4391 in -ffast-math mode.
4392 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4394 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4396 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4398 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4401 * config/sh/sh.c (mova_p): Fix test for mova_const.
4403 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4405 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4406 cpp_get_options rather than dereferencing pfile and using
4408 * scan-decls.c (scan_decls): Use return value of
4409 cpp_pop_buffer rather than CPP_BUFFER.
4411 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4413 * cppinit.c (cpp_handle_option): help_only is now part of the
4414 cpp_options structure.
4415 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4416 cpp_set_callbacks): New functions.
4417 * cpplib.h (cpp_callbacks): Break out as a named structure.
4418 (cpp_options): Move help_only here from cpp_reader.
4419 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4420 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4421 cpp_set_callbacks): New prototypes.
4422 * cppmain.c (main): Update for help_only.
4424 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4426 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4427 Also build and remove and install and uninstall c-tree.info and
4429 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4430 ($(srcdir)/cppinternals.info): New target.
4431 * c-tree.texi: Change file name used when makeinfo used without -o
4432 from ir.info to c-tree.info. Add info directory entry.
4433 * cppinternals.texi: Add info directory entry.
4434 * .cvsignore: Update.
4436 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4438 * c-typeck.c (store_init_value): Don't require constant initializer
4439 elements with -pedantic -std=c99.
4440 (digest_init): Change error about non-constant initializer elements
4442 (constructor_range_end): Remove.
4443 (constructor_incremental, designator_depth,
4444 designator_errorneous): New variables.
4445 (struct constructor_stack): Remove range_end, add incremental.
4446 (struct constructor_range_stack, constructor_range_stack): New.
4447 (struct initializer_stack): Add constructor_range_stack.
4448 (finish_init): Set it.
4449 (start_init): Likewise. require_constant_elements for non-static
4450 trees only if not flag_isoc99.
4451 (really_start_incremental_init): Remove constructor_range_end, add
4452 constructor_incremental.
4453 (pop_init_level): Likewise.
4454 (push_init_level): Likewise. If implicit and the subobject had some
4455 value set already, preinitialize the level with it.
4456 Warn about missing braces only if not pushing due to designators.
4457 (set_designator, push_range_stack): New functions.
4458 (set_init_label): Use them.
4459 (set_init_index): Likewise. Remove constructor_range_end.
4460 Error if designator index is outside of array bounds.
4461 (add_pending_init): Compare values of purpose index trees, not the
4462 trees themselves. Allow overwriting of already initialized element.
4463 Issue a warning if it had side-effects.
4464 (set_nonincremental_init, set_nonincremental_init_from_string): New
4466 (pending_init_member): Rename to...
4467 (find_init_member): ...this function. Call set_nonincremental_init
4468 if necessary. Compare values of purpose index trees, not the trees
4469 themselves. Return the actual value, not just non-zero if something
4471 (output_init_element): Remove checks for duplicates.
4472 If field has zero size, only check the initializer for correctness.
4473 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4474 if constructor_incremental is zero. Change error about initializers
4475 not computable at load time into pedwarn.
4476 (output_pending_init_elements): Compare bit positions, not
4477 FIELD_DECLs to take into account zero-sized fields.
4478 (process_init_element): Use constructor_range_stack to fill all
4479 ranges in the designator lists from current level up.
4480 * extend.texi: Update documentation for labeled elements.
4482 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4484 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4485 to function usage for arguments passed by reference. Optimize
4486 callee-copied arguments.
4487 * regmove.c (replace_in_call_usage): New function.
4488 (fixup_match_1): Call it.
4489 * cse.c (cse_insn): Canonicalize registers in function usage.
4490 * reload1.c (replace_pseudos_in_call_usage): New function.
4493 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4496 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4498 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4501 2001-01-12 DJ Delorie <dj@redhat.com>
4503 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4504 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4507 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4509 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4510 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4511 -std options alongside references to -ansi. Update some
4512 documentation for C99.
4513 * cpp.1: Regenerate.
4515 2001-01-12 Andreas Jaeger <aj@suse.de>
4517 * haifa-sched.c (restore_line_notes): Remove argument block B
4519 * sched-ebb.c (schedule_ebb): Change caller.
4520 * sched-rgn.c (schedule_region): Likewise.
4521 * sched-int.h (restore_line_notes): Adjust prototype.
4523 * loop.h: Remove wrong declaration of doloop_condition_get.
4525 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4527 * extend.texi: Move C++-extension-related node from the C section
4528 into the C++ section.
4530 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4532 * extend.texi: Refer to an array of pointers to functions instead
4533 of one of functions.
4535 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4536 Jan Hubicka <jh@suse.cz>
4538 * combine.c (reversed_comparison): Fix typo in last patch.
4540 (combine_reversed_comparison_code): Make static to follow
4541 prototype declaration.
4543 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4545 * install.texi: Remove misplaced duplicate entry.
4547 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4549 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4551 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4553 * final.c: (leaf_function_p): Fix typo.
4555 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4557 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4558 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4560 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4561 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4562 mmap_anon, and valloc is available.
4563 * ggc-page.c: Restructure ifdef logic to match new autoconf
4564 spec. Don't throw away the test page in init_ggc.
4566 * configure, config.in: Regenerate.
4568 2001-01-12 Michael Hayes <mhayes@redhat.com>
4570 * loop.h (total_biv_increment): Constify iv_class pointer.
4571 (struct induction): Replace `mem_mode' with `mem' rtx.
4572 * unroll.c (total_biv_increment): Constify iv_class pointer.
4573 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4574 (find_mem_givs, combine_givs_p): Likewise.
4575 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4577 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4579 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4581 (__gthread_getspecific): Ditto.
4583 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4585 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4586 put_condition_code): Convert fp comparison codes to integer
4588 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4591 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4592 * i386-protos.h (no_comparison_operator): Kill.
4594 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4596 * combine.c (REVERSIBLE_CC_MODE): Remove.
4597 (reversible_comparison_p): Remove.
4598 (combine_reversed_comparison_code): New.
4599 (reversed_comparison): New.
4600 (combine_simplify_rtx): Use
4601 combine_reversed_comparison_code/reversed_comparison instead
4602 of reversible_comparison_p.
4603 (simplify_if_then_else): Likewise.
4604 (simplify_set): Likewise.
4605 (simplify_logical): Likewise.
4606 (if_then_else_cond): Likewise.
4607 (known_cond): Likewise.
4608 (simplify_comparison): Likewise.
4610 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4612 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4613 sizeof (int) is larger than sizeof(__word__).
4615 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4617 * cppinit.c (do_includes): Fix typo.
4619 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4621 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4622 in S_REGS does not occur because not all sources are possible
4623 when a S_REGS is a destination (sometimes needs a clobber).
4624 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4625 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4626 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4627 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4628 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4629 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4630 (lshrdi_const1, lshrsi3_const16): Likewise.
4631 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4632 (*movhi_68hc12, *movqi_68hc12): Likewise.
4633 (movstrictqi): Make sure reloading in D_REGS as a destination
4636 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4638 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4640 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4642 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4643 -D, -U and -A, and don't initialize the builtins.
4644 (do_includes): Error if -include or -imacros with -fpreprocessed.
4645 * cppmain.c (cb_define, cb_undef): Unconditionally process
4647 * tradcpp.c (main): Fix typo.
4649 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4651 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4652 (read_name_map): Use IS_ABSOLUTE_PATH.
4653 * tradcpp.c (get_filename): Likewise.
4655 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4657 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4658 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4659 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4660 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4661 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4662 (cmphi_z_used): Don't use '@' for the output.
4663 (tstqi_z_used): Likewise.
4664 (cmpqi_z_used): Likewise.
4665 (one_cmplsi2): Likewise.
4667 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4669 * config/sh/sh.c (barrier_align): Recognize branch around far
4670 branch and redundant insn.
4672 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4674 * invoke.texi: Restore documentation of the drivers' switches -MD
4677 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4679 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4681 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4682 check-objc//%): Support parallel testing of multilibs.
4683 (TESTSUITEDIR): Set to testsuite by default, but override for
4685 (check-gcc, check-g++, check-g77, check-objc): Enter
4688 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4690 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4691 * sched-deps.c (deps_may_trap_p): Likewise.
4692 * basic-block.h: Remove a comment.
4693 * flow.c (PROP_POSTRELOAD): Remove.
4694 (update_life_info): Don't add it to prop_flags.
4695 (mark_set_1): Lose the code that was enabled by it.
4697 2001-01-11 Michael Hayes <mhayes@redhat.com>
4699 * flow.c (flow_call_edges_add): New.
4700 * basic_block.h (flow_call_edges_add): New.
4702 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4704 * reload1.c (move2add_note_store): Update reg_set_luid even if
4705 base reg remains the same.
4707 2001-01-10 Nick Clifton <nickc@redhat.com>
4709 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4710 machine_function structure to zero.
4711 Add prototypes for machine_status functions.
4713 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4715 * c-common.h (CTI_VOID_LIST): Remove.
4716 (void_list_node): Likewise.
4717 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4718 (void_list_node): New macro.
4719 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4720 * config/i386/i386.c (ix86_init_builtins): Likewise.
4721 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4723 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4725 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4726 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4728 * tradcpp.c: Include mkdeps.h.
4729 (deps, print_deps_phony_targets, deps_append, output_deps,
4730 init_dependency_output, output_deps): New.
4731 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4732 deps_output): Delete.
4733 (print_deps_missing_files): Rename deps_missing_files.
4734 (inhibit_output): Make global.
4735 (main): Delete inhibit_output, deps_stream, deps_target.
4736 Use mkdeps functionality in the same way as cpplib. Remove
4737 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4738 -M and -MM. Remove old handling of deps via deps_out, and
4739 old reading of environment variables.
4740 (get_filename): Update to use deps_add_dep.
4742 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4744 * output.h (make_function_rtl): Remove prototype.
4745 (make_decl_rtl): Likewise.
4746 * varasm.c (make_function_rtl): Remove.
4747 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4748 than from a third parameter.
4749 * tree.h (make_decl_rtl): Remove last parameter.
4750 * c-decl.c (builtin_function): Remove last argument in call to
4751 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4752 (start_function): Likewise.
4753 * except.c (call_get_eh_context): Likewise.
4754 * expr.c (emit_block_move): Likewise.
4755 (clear_storage): Likewise.
4756 * profile.c (output_func_start_profiler): Likewise.
4757 * toplev.c (rest_of_decl_compilation): Likewise.
4758 * objc/objc-act.c (create_builtin_decl): Likewise.
4759 (synth_module_prologue): Likewise.
4760 (generate_static_reference): Likewise.
4761 (build_selector_reference_decl): Likewise.
4762 (build_class_reference_decl): Likewise.
4763 (build_objc_string_decl): Likewise.
4764 (build_protocol_reference): Likewise.
4766 2001-01-10 Richard Henderson <rth@redhat.com>
4768 * hwint.h: Revert yesterday's change.
4770 2001-01-10 Nick Clifton <nickc@redhat.com>
4772 * function.h (save_machine_status): Delete.
4773 (restore_machine_status): Delete.
4774 Amend comment describing {init|mark|free}_machine_status.
4776 * function.c (save_machine_status): Delete.
4777 (restore_machine_status): Delete.
4778 Amend comment describing {init|mark|free}_machine_status.
4779 (push_function_context_to): Remove invocation of
4780 save_machine_status.
4781 (pop_function_context_from): Remove invocation of
4782 restore_machine_status.
4784 * emit-rtl.c (init_emit_once): Amend comment describing
4785 {init|mark|free}_machine_status.
4787 * tm.texi (Per-Function Data): New node. Describe the
4788 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4791 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4793 * cppinit.c (OPT_g): Remove.
4794 (cpp_handle_option): Update for removed -g3.
4795 (print_help): Update.
4796 * cpplib.h (struct cpp_options): Remove debug_output.
4797 * cppmain.c (setup_callbacks, cb_define): Update.
4798 * gcc.c (cpp_options): Translate -g3 to -dD.
4800 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4802 * config/i960/i960.md: Change modifier to + on the zero_extract
4803 pattern after the (rotate -2 reg) canonicalization pattern.
4805 2001-01-10 Richard Henderson <rth@redhat.com>
4807 * config/alpha/alpha.c (alpha_free_machine_status): New.
4808 (override_options): Install it.
4809 (alpha_mark_machine_status): Verify machine non-null.
4810 * config/i386/i386.c (ix86_free_machine_status): New.
4811 (override_options): Install it.
4812 (ix86_init_machine_status): Use xcalloc.
4813 (ix86_mark_machine_status): Verify machine non-null.
4814 * config/ia64/ia64.c (ia64_free_machine_status): New.
4815 (ia64_override_options): Install it.
4816 (ia64_mark_machine_status): Verify machine non-null.
4818 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4820 * function.c (instantiate_virtual_regs): Instantiate virtual
4821 registers found in CALL_INSN_FUNCTION_USAGE.
4823 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4825 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4826 equivalent to -ansi in disabling -Di386.
4828 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4830 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4832 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4834 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4836 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4838 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4840 * invoke.texi: Document that -fcond-mismatch isn't supported for
4843 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4845 * gcc.texi: Define macro gcctabopt.
4846 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4847 @command, @env and @option in some places where appropriate. Use
4848 @gcctabopt where appropriate. Put URLs and email addresses inside
4851 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4853 * gcc.c (cpp_options): Set MD file name from output
4854 filename, if specified.
4855 (suffix_subst): New static variable.
4856 (do_spec): Clear it.
4857 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4859 (give_switch): Handle suffix_subst.
4861 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4863 * invoke.texi: Fix another typo.
4865 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4867 * invoke.texi: Fix typo.
4869 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4871 * c-lang.c (lang_hooks): Update.
4872 (lang_decode_option): Remove.
4873 (lang_init_options): Rename c_init_options.
4874 * toplev.c (main): Use lang_hooks for lang_init_options
4875 and lang_decode_option.
4876 * toplev.h (lang_hooks): Add 2 new hooks.
4877 * tree.h: Remove lang_init_options and lang_decode_option.
4878 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4879 * cp/decl2.c: Similarly.
4880 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4881 (lang_hooks): Update.
4882 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4884 (lang_init_options): Rename ffe_init_options.
4885 (lang_hooks): Update.
4886 (lang_decode_option): Remove.
4887 * java/lang.c (lang_init_options): Rename java_init_options.
4888 (lang_decode_option): Rename java_decode_option.
4889 (lang_hooks): Update.
4890 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4891 (lang_decode_option): Rename objc_decode_option.
4892 (lang_hooks): Update.
4894 2001-01-09 Nick Clifton <nickc@redhat.com>
4896 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4897 (d30v_return_addr_rtx): Delete.
4898 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4899 cfun->machine structure.
4900 (struct machine_function): Move to d30v.h
4901 (d30v_save_machine_status): Delete.
4902 (d30v_restore_machine_status): Delete.
4903 (d30v_init_machine_status): New Function.
4904 (d30v_mark_machine_status): New Function.
4905 (d30v_free_machine_status): New Function.
4906 (d30v_init_expanders): Use new functions.
4907 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4908 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4909 d30v_return_addr_rtx.
4911 * config/d30v/d30v.h (struct_machine): Move here.
4912 Add eh_epilogue_sp_ofs field.
4914 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4915 field in cfun->machine structure.
4917 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4919 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4920 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4921 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4923 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4925 * objc/lang-options.h: Remove bogus reference to
4928 2001-01-09 Kazu Hirata <kazu@hxi.com>
4930 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4933 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4935 * reload.c (find_reloads_address): Check for eliminable registers
4936 when substituting a constant expression for a pseudo.
4938 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4940 * c-common.c (enum format_type): Add format_type_error.
4941 (decode_format_type): New function.
4942 (decl_attributes): Use it.
4943 (format_kind_info): Adjust comment.
4945 2001-01-09 David O'Brien <obrien@BSDi.com>
4947 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4948 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4950 * config/i386/gnu.h: Don't include required platform specific .h files,
4951 tm.h will do it instead.
4952 * config/i386/i386elf.h: Likewise.
4953 * config/i386/linux.h: Likewise.
4954 * config/i386/moss.h: Likewise.
4955 * config/mips/gnu.h: Likewise.
4957 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4959 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4960 (rs6000-ibm-aix3.[01]*): Likewise.
4961 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4962 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4963 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4964 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4965 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4966 (powerpc-*-eabiaix*): Likewise.
4967 (powerpc-*-eabisim*): Likewise.
4968 (powerpc-*-elf*): Likewise.
4969 (powerpc-*-eabi*): Likewise.
4970 (powerpc-*-rtems*): Likewise.
4971 (powerpc-*-linux*libc1): Likewise.
4972 (powerpc-*-linux*): Likewise.
4973 (powerpc-wrs-vxworks*): Likewise.
4974 (powerpcle-wrs-vxworks*): Likewise.
4975 (powerpcle-*-sysv*): Likewise.
4976 (powerpcle-*-elf*): Likewise.
4977 (powerpcle-*-eabisim*): Likewise.
4978 (powerpcle-*-eabi*): Likewise.
4979 (powerpcle-*-solaris2*): Likewise.
4980 * config/rs6000/aix31.h: Delete includes.
4981 * config/rs6000/aix3newas.h: Likewise.
4982 * config/rs6000/aix41.h: Likewise.
4983 * config/rs6000/aix43.h: Likewise.
4984 * config/rs6000/beos.h: Likewise.
4985 * config/rs6000/rtems.h: Likewise.
4986 * config/rs6000/sysv4.h: Likewise.
4988 2001-01-09 Kazu Hirata <kazu@hxi.com>
4990 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4991 Change an argument mode of machine_mode to shift_mode of
4992 shift_mode. Remove an extra error check.
4993 (emit_a_shift): Adopt to the new calling prototype of
4995 (function_prologue): Fix code for a monitor
4996 function. Support H8/S.
4997 (function_epilogue): Do not output pop for a monitor function.
4999 2001-01-09 Nick Clifton <nickc@redhat.com>
5001 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5002 (setup_incoming_varargs): Use sysv_varargs_p field of the
5003 cfun->machine structure.
5004 (struct machine_function): Move to rs6000.h
5005 (rs6000_save_machine_status): Delete.
5006 (rs6000_restore_machine_status): Delete.
5007 (rs6000_init_machine_status): New Function.
5008 (rs6000_free_machine_status): New Function.
5009 (rs6000_init_expanders): Use new functions.
5011 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5013 (struct machine_function): Move here.
5015 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5016 sysv_varargs_p field of the cfun->machine structure.
5018 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5020 (rs6000_restore_machine_status): Remove prototype.
5022 2001-01-09 Richard Henderson <rth@redhat.com>
5024 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5025 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5026 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5027 (sched_analyze_2, sched_analyze_insn): Likewise.
5028 (sched_analyze, init_deps): Likewise.
5029 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5030 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5031 (compute_block_backward_dependences): Update propagate_deps call.
5033 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5035 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5037 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5039 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5040 (cpp_handle_option): Handle them.
5041 (cpp_post_options): Ensure one of -M or -MM is specified with
5042 any other -M? option.
5043 (init_dependency_output): Suppress output with -MG.
5045 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5048 * invoke.texi: Update.
5050 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5052 * sh.md (reload_outsf): Generate recognizable patterns for
5055 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5057 * c-lang.c (lang_hooks): Update.
5058 (lang_init): Rename c_init.
5059 (lang_finish): Remove.
5060 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5062 * toplev.h (lang_hooks): Add init () and finish ().
5063 * tree.h (lang_init, lang_finish): Remove.
5064 * cp/tree.h (lang_init, lang_finish): Remove.
5065 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5066 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5068 (lang_init, lang_finish): Remove.
5069 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5070 (lang_hooks): Update.
5071 * java/lang.c (lang_init): Rename java_init.
5072 (lang_finish): Remove.
5073 (lang_hooks): Update.
5074 * objc/objc-act.c (lang_init): Rename objc_init.
5075 (lang_finish): Remove.
5076 (lang_hoooks): Update.
5078 20001-01-09 Graham Stott <grahams@redhat.com>
5080 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5081 after `ptr` is initialised.
5083 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5085 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5086 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5087 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5088 stack adjusts, instead of r3.
5090 2001-01-09 Michael Hayes <mhayes@redhat.com>
5092 * flow.c (flow_loop_scan): Break out of ...
5093 (flow_loops_find) ... here.
5094 * basic-block.h (flow_loop_scan): New.
5095 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5096 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5098 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5100 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5102 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5103 realloc()ing macro_buffer.
5105 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5106 if it's wider than long and the target's long is wider than the
5109 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5111 Remove support for using UWIN as a host machine.
5112 * configure.in: Issue an error message.
5113 * configure: Regenerated.
5114 * config.gcc: Remove xm_* UWIN configury.
5115 * config/i386/xm-uwin.h: Remove.
5117 2001-01-08 Nick Clifton <nickc@redhat.com>
5119 * config/v850/v850.c (ra_rtx): Delete.
5120 (v850_save_machine_status): Delete.
5121 (v850_restore_machine_status): Delete.
5122 (v850_init_machine_status): New function.
5123 (v850_mark_machine_status): New function.
5124 (v850_free_machine_status): New function.
5125 (v850_return_addr): Use ra_rtx field in machine structure.
5126 (v850_init_expanders): Use new functions.
5128 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5129 * config/v850/v850.c: Change arguments to v850_output+* functions
5130 to take a const char *, to avoid compile time warning.
5131 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5132 (USER_LABEL_PREFIX): Redefine.
5134 2000-01-08 Jim Wilson <wilson@redhat.com>
5136 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5137 1 to unsigned HOST_WIDE_INT before left shift.
5139 2001-01-08 Nick Clifton <nickc@redhat.com>
5141 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5142 the machine structure has been allocated.
5143 (arm_free_machine_status): New function: Free the machine
5144 specific function structure.
5146 2001-01-08 Richard Henderson <rth@redhat.com>
5148 * jump.c (simplejump_p): Revert last change.
5150 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5152 * cppinit.c (init): Rename init_library.
5153 (cpp_create_reader): Update.
5154 * gcc.c (cpp_options): If -o given, use it as the target of
5157 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5159 * arm.c (arm_arch5e): New variable.
5160 (all_cores): XScale is a 5TE device.
5161 (arm_override_options): Set arm_arch5e.
5162 (arm_init_builtins): __builtin_prefetch is in arch5e.
5163 * arm.h (arm_arch5e): Declare it.
5165 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5167 * arm.md (define_constants): Add defines for UNSPEC and
5168 UNSPEC_VOLATILE insns. Update all users.
5169 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5170 * arm.c (multi_register_push, note_invalid_constants)
5171 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5172 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5173 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5175 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5177 * jump.c (jump_optimize_1): Use reversed_comparison_code
5178 instead of can_reverse_comparison_p.
5179 (jump_back_p): Likewise.
5180 (invert_exp_1): Likewise.
5181 (thread_jumps): Likewise.
5182 * simplify-rtx.c (simplify_unary_operation): Likewise.
5183 (simplify_ternary_operation): Likewise.
5184 * cse.c (find_comparison_args): Convert to use
5185 can_reverse_comparison_p.
5186 (record_jump_equiv): Likewise.
5188 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5190 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5191 (EPILOGUE_USES): Define.
5192 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5193 automatically stack the LR if it isn't live.
5195 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5197 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5200 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5202 * ggc-page.c (max_alignment): New structure.
5203 (MAX_ALIGNMENT): New macro.
5204 (init_ggc): Use it to round up the sizes in the
5205 extra_order_size_table.
5207 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5209 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5212 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5214 * builtins.def (BUILT_IN_FPRINTF): New entry.
5216 * c-common.c (c_expand_builtin_fprintf): New function.
5217 (init_function_format_info): Handle __builtin_fprintf.
5218 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5219 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5221 * c-decl.c (duplicate_decls): Adjust comment.
5223 * extend.texi (fprintf): Document new builtin.
5225 2001-01-07 Richard Henderson <rth@redhat.com>
5227 * jump.c (simplejump_p): Recognize any single_set jump
5230 2001-01-07 Richard Henderson <rth@redhat.com>
5232 * configure.in (slibdir): Accept an --with-slibdir option.
5233 Use "test" not "[" in configure. Default to $(libdir).
5235 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5237 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5238 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5239 (SHLIB_LINK): Create links for the soname.
5240 * config/mips/t-iris6: Likewise.
5241 * config/sparc/t-slibgcc: Likewise.
5242 * config/sparc/t-slibgcc-sld: Likewise.
5244 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5246 * config/i386/i386.c (constant_call_address_operand): Accept
5247 (const (plus (symbol_ref) (const_int))).
5248 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5249 constant_call_address_operand.
5251 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5253 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5254 and LONG_LONG_TYPE_SIZE > 32.
5256 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5258 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5259 the previous change.
5261 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5263 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5265 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5266 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5267 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5270 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5272 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5274 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5276 * c-lang.c (c_post_options): Call cpp_post_options.
5277 * objc/objc-act.c (objc_post_options): Similarly.
5278 * cppmain.c (main): Similarly.
5279 * fix-header.c (read_scan_file): Similarly.
5280 * cppinit.c (cpp_start_read): Move option consistency checks
5281 to cpp_post_options. Don't call init_dependency_output.
5282 If needed, add default target and main file dependency.
5283 (OPT_MD, OPT_MMD): Remove.
5285 (cpp_handle_option): Update for OPT_* changes.
5286 (cpp_post_options): New.
5287 (init_dependency_output): Command line -MF overrides environment
5288 variables. Don't set default target etc. Suppress output
5289 if dependencies are going to stdout.
5290 (print_help): Update.
5291 * cpplib.h (cpp_post_options): New.
5292 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5294 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5296 * jump.c (comparison_dominates_p): Support unordered compares.
5298 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5300 * simplify-rtx.c (simplify_relational_operation): Always simplify
5301 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5304 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5306 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5307 (nonzero_bits): Likewise.
5308 (simplify_comparison): Likewise.
5309 (num_sign_bit_copies): Likewise; return more sane value depending
5310 on STORE_FLAG_VALUE.
5311 (known_cond): Do not assume EQ to be always true for equivalent
5314 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5316 * cse.c (fold_rtx): Handle unordered comparisons.
5318 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5320 * rtlanal.c (set_of_1): New static function.
5321 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5322 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5323 reg_set_last_last_regno): Remove.
5324 (set_of): New global function.
5325 (set_of_data): New structure.
5326 (reg_set_p, reg_set_last): Revamp for set_of.
5327 * rtl.h (set_of): New.
5329 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5331 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5332 * extend.texi: Document _Exit builtin.
5334 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5336 * (initialize, initialize_builtins,
5337 initialize_dependency_output, initialize_standard_includes):
5338 Rename s/initialize/init. Update.
5339 (init_dependency_output): Move to after
5340 cpp_handle_options, the correct location temporally at least.
5341 (opt_comp): Move next to init (), its caller. Fix prototype.
5342 (init): Make "initialized" local scope.
5343 (cpp_create_reader): Always call init ().
5344 (cpp_start_read): Update.
5345 (output_deps): New function, broken out of cpp_finish.
5346 (cpp_finish): Break out output_deps.
5348 2001-01-07 Richard Henderson <rth@redhat.com>
5350 * collect2.c (COFF specific stuff): Revert 12-06 patch
5351 to prototype system functions.
5353 2001-01-07 Michael Hayes <mhayes@redhat.com>
5355 * hard-reg-set.h: Add multiple include guard.
5356 * basic-block.h (struct loop): Add `sink' field.
5357 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5358 (emit_iv_add_mult): Delete.
5359 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5360 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5361 (unroll_loop): Remove end_insert_before argument.
5362 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5363 (maybe_eliminate_biv_1): Likewise.
5364 (emit_iv_add_mult): Delete.
5365 (gen_add_mult, loop_regs_update): New.
5366 (loop_insn_emit_after, loop_insn_emit_before): New.
5367 (loop_insn_sink, loop_insn_sink_or_swim): New.
5368 (emit_iv_add_mult): Delete.
5369 (scan_loop): Set loop->sink.
5370 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5371 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5372 (maybe_eliminate_biv_1): Likewise.
5373 (maybe_eliminate_biv_1): Add basic block argument.
5374 * unroll.c (unroll_loop): Remove end_insert_before argument.
5375 (find_splittable_regs): Likewise.
5376 (find_splittable_regs): Use loop_insn_sink and its ilk.
5377 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5379 2001-01-07 Michael Hayes <mhayes@redhat.com>
5381 * loop.h (loop_insn_hoist): New prototype.
5382 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5383 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5384 (check_dbra_loop, load_mems): Likewise.
5385 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5386 (find_splittable_givs): Likewise.
5388 2001-01-07 Michael Hayes <mhayes@redhat.com>
5390 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5392 2001-01-07 Richard Henderson <rth@redhat.com>
5394 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5396 2001-01-07 Richard Henderson <rth@redhat.com>
5398 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5399 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5400 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5401 variant that handles a shared libgcc.
5402 (process_command): Always validate -{static,shared}-libgcc.
5403 (do_spec_1): New 'M' case.
5404 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5406 2001-01-07 Richard Henderson <rth@redhat.com>
5408 * Makefile.in (slibdir): New variable.
5409 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5410 (installdirs): Create slibdir.
5411 (install-libgcc, install-multilib): Defer to libgcc.mk.
5412 * configure.in (slibdir): Substitute.
5413 * mklibgcc.in (install): New target.
5415 * config/t-linux (SHLIB_LINK): Create links for the soname.
5416 (SHLIB_INSTALL): New.
5417 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5418 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5419 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5420 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5421 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5423 2001-01-07 Richard Henderson <rth@redhat.com>
5425 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5426 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5427 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5429 2001-01-07 Michael Hayes <mhayes@redhat.com>
5431 * loop.c (count_loop_regs_set): Delete.
5432 (load_mems_and_recount_loop_regs_set): Delete.
5433 (loop_regs_scan): Merge common code from count_loop_regs_set,
5434 scan_loop, and load_mems_and_recount_loop_regs_set.
5435 (scan_loop): Call load_mems directly and loop_regs_scan
5436 again if new registers created.
5438 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5440 * toplev.c (main): Call the front-end specific post_options
5441 hook if one is given.
5442 * toplev.h (struct_lang_hooks, lang_hooks): New.
5443 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5444 for the C front end.
5445 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5446 lang_hooks for the C++ front end.
5447 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5448 lang_hooks for the ObjC front end.
5449 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5450 * java/lang.c (lang_hooks): Hooks for the Java front end.
5452 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5454 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5455 for verbose DWARF[2] debugging.
5456 (cb_define, cb_undef): The new callbacks.
5457 * toplev.h (debug_define, debug_undef): Make const correct.
5458 * toplev.c (debug_define, debug_undef): Similarly. Do not
5459 perform the verbosity tests here anymore.
5461 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5463 * reload.c (subst_reloads): Take INSN argument. When
5464 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5465 * reload.h (subst_reloads): Adjust prototype.
5466 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5467 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5468 present in JUMP_INSNs and copy them to JUMP_LABEL.
5469 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5470 JUMP_INSNs and insns with REG_LABELs that are followed by
5471 JUMP_INSNs with the same REG_LABEL.
5472 * sched-rgn.c (is_cfg_nonregular): Likewise.
5473 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5475 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5477 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5479 2001-01-06 Richard Henderson <rth@redhat.com>
5481 * loop.c (scan_loop): Use xcalloc for the regs array.
5482 (load_mems_and_recount_loop_regs_set): Zero the new memory
5483 received from xrealloc.
5485 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5487 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5489 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5491 * integrate.c (copy_rtx_and_substitute): When copying
5492 an ignored return value, strip REG_FUNCTION_VALUE_P.
5494 2001-01-06 Michael Hayes <mhayes@redhat.com>
5496 * loop.c (debug_biv, debug_giv): New.
5497 (loop_biv_dump): Break out from ...
5498 (record_biv): ... here.
5499 (loop_giv_dump): Break out from ...
5500 (record_giv): ... here.
5501 (loop_bivs_check): Use print_simple_rtl.
5502 * unroll.c (loop_iterations): Use print_simple_rtl.
5504 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5506 * pa.md (return, return_internal): Modify patterns to prevent regrename
5507 mucking with the return pointer.
5509 2001-01-05 Richard Henderson <rth@redhat.com>
5511 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5513 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5515 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5516 version supplied by Matteo Frigo.
5518 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5520 * cpp.texi: Update for -MQ.
5521 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5522 (cpp_cleanup): Always free pfile->deps.
5523 (initialize_dependency_output): Don't create pfile->deps.
5524 (cpp_handle_option): Similarly.
5526 * gcc.c (cpp_options): Handle -MQ.
5527 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5528 * mkdeps.c (base_name): Remove.
5529 (deps_init): Don't allocate vector space until it's needed.
5530 (deps_free): Only free vectors if allocated.
5531 (deps_add_target, deps_add_dep): Update for initial allocation.
5532 (deps_add_default_target): Don't strip to the base_name.
5534 2001-01-05 DJ Delorie <dj@redhat.com>
5536 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5537 (INIT_EXPANDERS): Define.
5539 * config/v850/v850.c (struct machine_function): Define.
5540 (v850_save_machine_status): New function.
5541 (v850_restore_machine_status): New function.
5542 (v850_return_addr): New function.
5543 (v850_init_expanders): New function.
5545 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5546 and v850_init_expanders.
5548 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5550 * cpplib.h (struct cpp_reader): Add help_only field.
5551 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5552 (cpp_handle_option): Set pfile->help_only if we see -h,
5553 --help, -target-help, or --version. Print version string but
5554 do not set help_only if we see -v or -version. Make text
5555 printed by -v match that printed by (-)-version.
5557 * cppmain.c (main): Exit after option parsing if
5558 pfile->help_only is true.
5560 * toplev.c (independent_decode_option): Call print_version,
5561 then exit, if we see --version (but not -version).
5562 (print_version): Split lengthy message into two lines.
5564 2001-01-05 Nick Clifton <nickc@redhat.com>
5566 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5567 temporary string for initialisation before calling ggc_alloc_string.
5569 2001-01-06 Michael Hayes <mhayes@redhat.com>
5571 * rtl.h (print_simple_rtl): New.
5572 * print-rtl.c (print_simple_rtl): New.
5574 (print_rtx): Disable printing of flags and modes, etc.,
5575 if `flag_simple` nonzero.
5577 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5579 * function.c (fixup_var_refs): Use push_to_full_sequence where
5582 2001-01-05 Michael Meissner <meissner@redhat.com>
5584 * flags.h (flag_reorder_blocks): Add declaration.
5585 (flag_rename_block): Ditto.
5587 2001-01-05 DJ Delorie <dj@redhat.com>
5589 * function.c (reorder_blocks): Make sure the flags are all reset
5590 before using them to mark blocks, else a second invocation will
5591 corrupt the block chain.
5592 (reorder_blocks_0): New, resets the flags.
5594 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5596 * cse.c (find_comparison_args): Stop if the argument is known to
5599 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5601 * config/sh/sh.md (movdf): When splitting load into pair of
5602 registers, don't clobber the register used in the address too
5605 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5607 * varasm.c (mark_constant_pool): Improve initial comments.
5608 (mark_constants): Move marking of constants to mark_constant.
5609 (mark_constant): New function to recursively mark all constants
5610 referred to by a constant.
5612 2001-01-05 Catherine Moore <clm@redhat.com>
5614 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5616 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5618 * cp/lang-options.h: Bring comment in line with reality.
5619 * f/lang-options.h: Likewise.
5620 * java/lang-options.h: Likewise.
5621 * objc/lang-options.h: Likewise.
5622 * ch/lang-options.h: Likewise.
5623 * f/g77.texi: And update the manual.
5625 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5626 Denis Chertykov <denisc@overta.ru>
5628 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5629 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5630 * config/avr/avr.md (all peepholes that request a scratch register):
5631 Call it, FAIL the peephole if not safe (in interrupt functions).
5633 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5635 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5637 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5639 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5641 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5642 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5643 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5644 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5645 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5647 * extend.texi: Document these builtins.
5649 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5651 * c-common.c (lang_get_alias_set): Say we know nothing of
5652 VECTOR_TYPE aliasing.
5654 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5656 2001-01-05 Bruce Korb <bkorb@gnu.org>
5658 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5659 their x* equivalent versions for atexit-less systems
5660 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5661 systems (or any other system any more).
5663 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5665 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5666 output operands. Use arm_hard_register_operand for operand 4.
5667 (stmsi_postinc): Similarly.
5668 (ldmsi): Use arm_hard_register_operand for opernand 2.
5670 * arm.c (arm_hard_register_operand): New function.
5671 * arm-protos.h (arm_hard_register_operand): Prototype it.
5673 * arm.h (HARD_REGNO_RENAME_OK): Define.
5675 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5677 * simplify-rtx.c (cfc_args): add "unordered" field.
5678 (check_fold_consts): Set unordered field.
5679 (simplify_relational_operation): Simplify the unordered
5682 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5685 * emit-rtl.c (try_split): Fix code to mark labels.
5686 * jump.c (mark_jump_label): Make global.
5687 * rtl.h (mark_jump_label): Declare.
5689 * predict.c (estimate_probability): Handle unordred comparisons.
5691 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5693 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5694 * cppinit.c (initialize_dependency_output): Update.
5695 (cpp_finish): Output dummy targets for -MP.
5697 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5698 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5699 * gcc.c (cpp_options): Update to handle -MP.
5700 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5701 to quote only the default target.
5702 (deps_phony_targets): Insert a preceding newline. Rename from
5703 deps_dummy_targets for consistency.
5706 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5708 * calls.c (emit_library_call_value_1): Support
5709 INIT_CUMULATIVE_LIBCALL_ARGS.
5710 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5712 2001-01-04 Richard Henderson <rth@redhat.com>
5714 * c-decl.c (finish_struct): Detect flexible array members
5715 used in an inappropriate context.
5716 * c-typeck.c (really_start_incremental_init): Special case
5717 constructor_max_index for zero length arrays.
5718 (pop_init_level): Allow initialization of flexible array
5719 members. Deprecate initialization of zero length arrays.
5720 Don't issue missing initializer warning for flexible array
5721 members or zero length arrays.
5722 (process_init_element): Don't dereference null DECL_SIZE.
5723 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5724 Don't abort for empty constructors. Use size_binop
5725 (output_constructor): Add commentary regarding zero length
5726 array futures. Abort if we try to initialize an array of
5727 unspecified length with a non-empty constructor in the middle
5730 * extend.texi (Zero Length): Update and clarify documentation
5731 on static initialization.
5733 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5735 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5736 with more than 32767 words of local storage.
5738 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5740 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5741 for 'abs', 'labs', and 'fabs'.
5742 (c4x_expand_builtin): Likewise.
5743 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5745 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5747 * config/sh/sh.md (prget, prset): New insn types.
5748 (return delay slot): Dont' allow prset.
5749 (call, sfunc delay slot): Don't allow prget.
5750 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5751 for prset and prget.
5753 2001-01-05 Michael Hayes <mhayes@redhat.com>
5755 * loop.h (struct loop_reg): New.
5756 (struct loop_regs): Change to use array of `struct loop_reg'.
5757 * loop.c: Replace assortment of varrays with single regs array.
5758 (count_one_set): Delete may_not_move array argument
5759 and use regs array instead. All caller's changed.
5760 (count_loop_regs_set): Delete may_not_move and single_usage
5761 arguments and use regs array instead. All caller's changed.
5762 (find_single_use_in_loop): Replace usage array argument with pointer
5763 to regs structure. All caller's changed.
5764 (loop_optimize): Delete `moved_once' array.
5766 2001-01-05 Michael Hayes <mhayes@redhat.com>
5768 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5769 Use it instead of loop_info->has_call for scanning loop mems.
5770 (check_dbra_loop): Replace loop_info->has_call test with
5771 loop_info->has_nonconst_call.
5773 2000-01-04 Matthew Hiller <hiller@redhat.com>
5775 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5778 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5780 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5781 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5783 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5785 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5786 (flag_short_double, flag_short_wchar): Define.
5787 (c_common_nodes_and_builtins): Create many tree nodes shared
5788 between C and C++ here instead of in cp/decl.c and ...
5789 * c-decl.c (init_decl_processing): ... here.
5790 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5791 (flag_short_double, flag_short_wchar): Don't define.
5792 (record_builtin_type): New function.
5793 (build_void_list_node): New function.
5794 * c-common.h (flag_short_double, flag_short_wchar,
5795 record_builtin_type, build_void_list_node): Declare.
5797 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5799 * integrate.c (expand_inline_function): Don't put a virtual
5800 register into the reg map.
5802 * function.c (fixup_var_refs_1): If force_operand didn't put
5803 the address into the target, move it there.
5805 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5807 Special-case tree_decl/tree_list allocations.
5808 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5809 (OBJECT_SIZE): New macro.
5810 (NUM_EXTRA_ORDER): Likewise.
5811 (extra_order_size_table): New variable.
5812 (NUM_ORDERS): New macro.
5813 (objects_per_page_table): New variable.
5814 (object_size_table): New variable.
5815 (G.pages): Use NUM_ORDERS to bound the array.
5816 (G.page_tails): Likewise.
5817 (DIV_ROUND_UP): Remove.
5818 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5819 (alloc_page): Use OBJECT_SIZE.
5820 (size_lookup): Don't make it const.
5821 (ggc_alloc): Use OBJECT_SIZE.
5822 (ggc_set_mark): Likewise.
5823 (ggc_get_size): Likewise.
5824 (init_ggc): Set up the object_size_table, objects_per_page_table,
5825 and adjust size_lookup.
5826 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5827 (ggc_pop_context): Use NUM_ORDERS.
5828 (clear_marks): Likewise.
5829 (sweep_pages): Likewise.
5830 (poison_pages): Likewise.
5831 (ggc_print_statistics): Use OBJECT_SIZE.
5833 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5835 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5836 Only call array_size_for_constructor if last field and array type
5837 with no upper bound.
5839 2001-01-04 Philip Blundell <philb@gnu.org>
5841 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5842 from bit 31 downwards, if this requires no more insns.
5843 (count_insns_for_constant): New helper function for above.
5845 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5847 * gencodes.c (output_predicate_decls): Remove empty initializer.
5849 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5851 * tree.c (copy_node): Remove documentation about obstacks.
5852 (buidl1): Check that nobody tries to build 2-argument nodes this
5855 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5857 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5860 * gencodes.c (output_predicate_decls): Fill empty initializer
5863 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5865 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5866 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5868 (do_include): Handle missing headers like cpp0.
5869 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5870 paths with first include pathname. Don't strcat to uninitialized
5873 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5875 * regrename.c (regrename_optimize): Don't rename from frame pointer
5876 if frame_pointer_needed.
5877 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5878 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5879 (ia64_reorg): Use it instead of scheduling if ! optimize.
5880 (errata_emit_nops): Properly call asm_noperands.
5881 (ia64_sched_reorder): Finish cycle if we see an asm.
5882 (ia64_variable_issue): Clear scheduling state after asms.
5884 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5886 * cpp.texi: Update for -MT.
5887 * cppinit.c (initialize_dependency_output): Add a default
5888 target if none has been given already.
5889 (no_tgt, OPT_MT): New.
5890 (cpp_handle_option): Handle -MT. Update -M etc.
5891 * cpplib.h (struct cpp_options): Remove deps_target.
5892 * gcc.c (cpp_options): Handle -MT.
5893 * mkdeps.c (struct deps): Move from mkdeps.h.
5894 (deps_calc_target): Rename deps_add_default_target. Add a
5895 default target if none has been specified already.
5896 * mkdeps.h (struct deps): Move to mkdeps.c.
5897 (deps_calc_target): Rename deps_add_default_target.
5899 2000-01-03 Richard Henderson <rth@redhat.com>
5901 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5903 * c-typeck.c (push_init_level): Move checks for flexible array
5904 members and zero length arrays ...
5905 (pop_init_level): ... here. Silently discard empty initializations.
5907 * varasm.c (output_constructor): Update for sizeof change to
5910 * extend.texi (Zero Length): Clarify semantics.
5912 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5914 * configure.in (tm.h): Include isns-codes.h last.
5915 * configure: Rebuilt.
5917 2001-01-03 Richard Henderson <rth@redhat.com>
5919 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5920 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5922 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5924 * tradcpp.c (main): Make sure finclude() is called with a valid
5925 indepth value while handling -include.
5927 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5929 * gencodes.c (output_predicate_decls): New function.
5931 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5932 even if it is not the first time machmode.h is #included.
5933 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5934 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5935 * gcc.texi (Copyright): Added 2001.
5937 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5939 * c-common.c (c_common_lang_init): New function. Warn if format
5940 warning options which only have effects when used with -Wformat
5941 are used without -Wformat.
5942 * c-common.h (c_common_lang_init): Declare.
5943 * c-lang.c (lang_init): Call c_common_lang_init.
5944 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5946 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5948 * configure.in: Check for the mktemp command.
5949 * configure: Regenerate.
5950 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5951 $TEMP. Create temporary files with mktemp, if available at
5952 configure time; otherwise use set -C. Remove temporary files
5955 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5957 * configure.in: Require at least texinfo 4.0. Check for whether
5958 Pod::Man is sufficiently recent to regenerate GCC manpages.
5959 * configure: Regenerate.
5960 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5962 (GENERATED_MANPAGES): Define.
5963 (generated-manpages): New target. Depend on cpp.1 as well as
5965 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5966 configure to generated-manpages or empty) rather than on the
5967 manpages directly. Remove execute permission from installed
5968 gcov.1 as well as cpp.1.
5969 * cpp.1, gcov.1: Regenerate.
5971 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5973 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5974 tree_low_cst. Allow using cmpstrsi in more cases.
5976 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5978 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5981 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5983 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5984 * Makefile.in (HOST_CFLAGS): Mention build-make.
5986 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5988 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5991 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5993 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5996 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5999 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6000 reg_base_value and reg_known_value arrays.
6001 (init_alias_analysis): Add more cases to detect known values.
6002 * sched-deps.c (deps_may_trap_p): New function.
6003 (sched_analyze_2): Use it.
6005 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6007 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6008 don't discard an ASHIFTRT if we're shifting in a wider mode.
6010 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6012 * toplev.c (rest_of_compilation): Don't print basic block information
6013 when CFG isn't up to date.
6015 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6017 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6018 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6019 (UNALIGNED_SHORT_ASM_OP): Define.
6020 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6022 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6024 * fold-const.c (fold_convert): Fix typo.
6026 2001-01-02 Richard Henderson <rth@redhat.com>
6028 * c-common.h (ASM_INPUT_P): New.
6029 * c-parse.in (asm): Set it when needed.
6030 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6031 existance of an operand.
6033 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6035 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6036 (dwarf2out_frame_debug_expr): Likewise.
6037 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6039 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6041 * i386.c (ix86_split_to_parts): Return number of part required;
6043 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6045 (ix86_split_long_move): Use number of part returned
6046 by ix86_split_to_parts
6047 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6049 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6050 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6051 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6052 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6053 (ALIGN_MODE_128): Add TFmode.
6054 (IS_STACK_MODE): Likewise.
6055 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6056 (HARD_REGNO_OK): Support TFmodes.
6057 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6058 * i386.md (scheduler definitions): Use memory operand to determine
6059 fst/fld instructions; use mode attribute to determine real mode of
6061 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6062 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6064 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6066 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6068 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6070 * expr.c (store_constructor_field): Update ALIGN before calling
6073 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6075 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6078 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6080 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6083 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6085 * c-decl.c (start_function): Don't warn on third parameter to main.
6087 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6089 * tsystem.h: Define HAVE_DECL_GETOPT.
6091 2001-01-02 Philip Blundell <pb@futuretv.com>
6093 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6096 2001-01-02 Richard Henderson <rth@redhat.com>
6098 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6100 2001-01-02 Andreas Jaeger <aj@suse.de>
6102 * c-decl.c (c_decode_option): Remove support of
6105 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6106 (W_options): Add -Wmissing-noreturn here.
6108 * flow.c: Define lang_missing_noreturn_ok_p.
6109 (check_function_return_warnings): Use it.
6111 * c-common.h: Declare lang_missing_noreturn_ok_p.
6113 * c-lang.c (c_missing_noreturn_ok_p): New function.
6114 (lang_init): Set lang_missing_noreturn_ok_p.
6116 * invoke.texi (Warning Options): Document this.
6118 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6120 * extend.texi (C++ Extensions): New node for C++ attributes;
6121 describe init_priority and com_interface.
6122 * invoke.texi: Remove -finit-priority as it now has zero effect.
6123 * install.texi: Fix xref syntax.
6124 * md.texi: Likewise.
6126 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6128 * config.gcc (sparc64-wrs-vxworks*): New case.
6129 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6131 * config/sparc/sparc.c (sparc_override_options): Do support different
6132 pointer and architecture size.
6133 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6134 (POINTERS_EXTEND_UNSIGNED): Define.
6135 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6136 (FUNCTION_MODE): Define to be Pmode.
6137 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6139 * function.c (expand_function_end): Properly handle DECL_RESULT
6140 and copy when ptr_mode != Pmode.
6141 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6143 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6145 * c-common.c (c_common_nodes_and_builtins): Set prototype
6146 parameters for __builtin_fputs, __builtin_fputc and
6147 __builtin_fwrite. Don't declare plain fputc as a builtin.
6149 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6151 * loop.c (add_label_notes): Increment the label usage count when
6152 a note is added to an insn which refers to a CODE_LABEL.
6153 * gcse.c (add_label_notes): Likewise.
6155 2001-01-01 Andreas Jaeger <aj@suse.de>
6157 * loop.c (scan_loop): Use xmalloc to allocate movables.
6159 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6161 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6162 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6163 * reload1.c (REGISTER_MOVE_COST): Likewise.
6164 * regclass.c (REGISTER_MOVE_COST): Likewise.
6165 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6166 dimension. Adjust all users.
6167 (init_reg_sets_1): Iterate on all modes.
6168 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6169 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6170 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6171 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6172 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6173 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6174 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6175 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6176 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6177 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6178 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6179 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6180 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6181 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6182 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6183 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6184 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6185 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6186 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6187 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6188 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6189 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6190 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6191 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6192 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6193 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6194 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6196 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6198 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6199 arg VARIES_P. Call it with extra arg.
6200 (true_dependence): Likewise.
6201 * rtl.h (rtx_addr_can_trap_p): Declare.
6202 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6204 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6205 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6206 pic offset table register if it's zero. All callers changed.
6207 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6209 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6211 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6212 STRING_POOL_ADDRESS_P.
6214 * config/sparc/sparc.c (input_operand): Properly test for short op.
6216 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6217 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6218 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6219 * config/sparc/elf.h: No longer include sol2.h.
6220 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6221 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6223 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6225 2001-01-01 Michael Hayes <mhayes@redhat.com>
6227 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6228 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6229 (record_initial): Likewise.
6230 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6231 (remap_split_bivs): Likewise.
6233 2001-01-01 Michael Hayes <mhayes@redhat.com>
6235 * loop.c (loop_ivs_free): New function.
6236 (strength_reduce): Break out from...
6238 2001-01-01 Michael Hayes <mhayes@redhat.com>
6240 * loop.h (struct iv): New.
6241 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6242 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6243 'reg_biv_class' fields with 'regs' and 'n_regs'.
6244 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6245 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6246 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6248 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6250 * resource.c (mark_referenced_resources): Abort() before
6251 attempting to mark a pseudo register.
6252 (mark_set_resources): Likewise.
6254 2001-01-01 Michael Hayes <mhayes@redhat.com>
6256 * loop.h (REG_IV_CLASS): New accessor macro.
6257 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6258 * unroll.c (REG_IV_CLASS): Likewise.
6260 See ChangeLog.4 for earlier changes.