1 2001-03-15 Bruce Korb <bkorb@gnu.org>
3 * gcc.c(main): make more rigorous
4 * collect2.c(main): guard against ignoring SIGCHLD
5 * protoize.c(main): ditto
6 * gcc/fixinc/fixincl.c(initialize): ditto
8 2001-03-15 Mark Mitchell <mark@codesourcery.com>
10 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
11 (sdbout_parms): Likewise.
13 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
15 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
16 "widen" a destination that is already wider than a word. Also do
17 not widen if LOAD_EXTEND_OP is NIL for the given mode.
19 2001-03-15 Bernd Schmidt <bernds@redhat.com>
21 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
23 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
25 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
27 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
29 * i960.h (i960_maxbitalignment,
30 i960_last_maxbitalignment): Declare.
31 * i960.c (i960_maxbitalignment,
32 i960_last_maxbitalignment): Make global.
33 (process_pragma): Delete.
34 (i960_pr_align, i960_pr_noalign): Move from here ...
35 * i960-c.c: ... to this new file.
36 * t-960bare (i960-c.o): New rule.
37 * t-vxworks960 (i960-c.o): Likewise.
38 * config.gcc (i960-*-*): Define c_target_objs and
41 2001-03-15 Bernd Schmidt <bernds@redhat.com>
43 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
44 without adding in rtx code and mode.
46 * alias.c (init_alias_analysis): Don't use any rtx whose value
47 varies as a known value.
48 Delete a superfluous test.
50 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
52 (ia64_sched_reorder): Call maybe_rotate; also rotate after
53 scheduling a stop bit.
54 (ia64_emit_nops): Correctly handle ASMs.
56 2001-03-15 Mark Mitchell <mark@codesourcery.com>
58 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
60 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
62 * cpp.texi: Update documentation for -include and -imacros.
63 * cppfiles.c (struct include_file): Remove "defined" memeber.
64 (find_or_create_entry): Make a copy of the file name, and
66 (open_file): Update to ensure we use the simplified filename.
67 (stack_include_file): Don't set search_from.
68 (cpp_included): Don't simplify the path name here.
69 (find_include_file): New prototype. Call search_from to
70 get the start of the "" include chain. Don't simplify the
72 (_cpp_execute_include): New prototype. Move diagnostics to
73 do_include_common. Update.
74 (_cpp_pop_file_buffer): Don't set defined.
75 (search_from): New prototype. Use the preprocessor's cwd
76 for files included from the command line.
77 (read_name_map): Don't simplify the pathname here.
78 * cpphash.h (enum include_type): New.
79 (struct buffer): Delete search from. New search_cached.
80 (_cpp_execute_include): Update prototype.
81 * cppinit.c (do_includes): Use _cpp_execute_include.
82 * cpplib.c (do_include_common): New function.
83 (do_include, do_include_next, do_import): Use it.
85 2001-03-14 Mark Mitchell <mark@codesourcery.com>
87 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
88 contents of the RTL, to determine the name of the object.
90 2001-03-14 Mark Mitchell <mark@codesourcery.com>
92 * tree.h (DECL_RTL): Allocate RTL lazily.
93 (SET_DECL_RTL): New macro.
94 (DECL_RTL_SET_P): Likewise.
95 (COPY_DECL_RTL): Likewise.
96 (DECL_RTL_IF_SET): Likewise.
97 * varasm.c (make_decl_rtl): Add assertions about the kind of
98 declaration we are processing.
99 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
100 (start_decl): Likewise.
101 (finish_decl): Likewise.
102 * c-semantics.c (emit_local_var): Likewise.
103 * calls.c (expand_call): Likewise.
104 * dbxout.c (dbxout_symbol): Likewise.
105 * emit-rtl.c (unshare_all_rtl): Likewise.
106 (unshare_all_decls): Likewise.
107 (reset_used_decls): Likewise.
108 * expr.c (store_constructor): Likewise.
109 (safe_from_p): Likewise.
110 (expand_expr): Likewise.
111 * function.c (put_var_into_stack): Likewise.
112 (instantiate_decls_1): Likewise.
113 (assign_parms): Likewise.
114 (expand_function_start): Likewise.
115 (expand_function_end): Likewise.
116 * ggc-common.c (gcc_mark_trees): Likewise.
117 * integrate.c (function_cannot_inline_p): Likewise.
118 (copy_decl_for_inlining): Likewise.
119 (expand_inline_function): Likewise.
120 (integrate_parm_decls): Likewise.
121 (integrate_decl_tree): Likewise.
122 * print-tree.c (print_node): Likewise.
123 * reg-stack.c (stack_result): Likewise.
124 * stmt.c (label_rtx): Likewise.
125 (expand_return): Likewise.
126 (expand_decl): Likewise.
127 (expand_decl_cleanup): Likewise.
128 (expand_anon_union_decl): Likewise.
129 * toplev.c (check_global_declarations): Likewise.
130 (rest_of_decl_compilation): Likewise.
131 * tree.c (simple_cst_equal): Likewise.
132 * objc/objc-act.c (generate_static_references): Likewise.
134 2001-03-14 Zack Weinberg <zackw@stanford.edu>
136 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
137 gcc_AC_C_FLOAT_FORMAT): New macros.
138 * configure.in: Add AC_PROG_CPP after CC tests;
139 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
140 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
141 * configure, config.in: Regenerate.
143 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
144 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
145 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
146 config/i370/xm-linux.h, config/i370/xm-oe.h,
147 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
148 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
149 config/pa/xm-linux.h, config/pa/xm-pa.h,
150 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
151 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
152 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
153 config/we32k/xm-we32k.h: Delete.
155 * config/i370/xm-mvs.h, config/m88k/m88k.h,
156 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
157 config/vax/xm-vms.h: Don't define any of:
158 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
160 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
162 * config.gcc: Remove references to deleted files.
163 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
164 FATAL_EXIT_CODE, which is the same between oe and mvs).
166 2001-03-14 DJ Delorie <dj@redhat.com>
167 Vladimir Makarov <vmakarov@redhat.com>
169 * config/i960/i960.c (i960_function_prologue): Compute size of
170 frame according to number of registers actually saved there.
172 2001-03-14 Richard Henderson <rth@redhat.com>
174 * expr.c (emit_move_insn_1): Fix else if around #endif.
176 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
179 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
182 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
184 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
185 (override_options): Parse cmodel string.
186 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
187 * i386.h (TARGET_OPTIONS): Add "cmodel".
188 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
190 (ix86_cmodel_string, ix86_cmodel): Declare.
192 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
195 * i386.h (GENERAL_REG_P): Add missing REG_P.
197 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
199 * configure.in: Use $gcc_cv_as instead of $as.
200 * configure: Regenerated.
202 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
204 * cppfiles.c (stack_include_file): Only increase the include
205 count if we actually process the file properly, as opposed
206 to treating it as length zero. Only call read_include_file
207 if not DO_NOT_REREAD. Handle the -H include file output
209 (read_include_file): Remove now redundant DO_NOT_REREAD check.
210 (cpp_included, find_include_file): Simplify pathnames after
211 remapping them. If remapping, don't use the remapped file
212 name's buffer as our scratch buffer.
213 (cpp_pop_file_buffer): Replace the multiple include macro
214 only if it isn't yet set.
215 (read_name_map): Simplify remapped names when reading in.
216 (remap_filename): Move code to code path that uses it.
217 (_cpp_simplify_pathname): Return the input pointer.
218 * cpphash.h (_cpp_simplify_pathname): Update prototype.
220 2001-03-14 Mark Mitchell <mark@codesourcery.com>
222 * expr.c (expand_expr): Revove bogus conditional.
224 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
226 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
228 2001-03-14 Jakub Jelinek <jakub@redhat.com>
230 * reg-stack.c (stack_result): Unconditionally use
231 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
233 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
235 * expr.c (emit_move_insn_1): Split push of complex value when
236 no suitable push instruction exist.
238 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
241 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
243 * alias.c (handled_component_p, can_address_p): New functions.
244 (get_alias_set): Use them.
246 2001-03-13 Jim Wilson <wilson@redhat.com>
248 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
249 from 80 in try_locals code.
250 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
252 2001-03-13 Zack Weinberg <zackw@stanford.edu>
254 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
255 gcc_AC_C_LONG_LONG): New.
256 * configure.in: Use them. Probe the size of short, int, long,
257 and long long/__int64 if we have them. Move all the AC_C_*
258 checks together, except gcc_AC_C_CHAR_BIT which has to go
259 after AC_CHECK_HEADERS(limits.h).
260 Take hwint.h out of host_xm_file and build_xm_file.
262 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
263 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
264 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
265 Move the HOST_WIDEST_INT setup logic here from system.h.
266 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
268 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
269 is now handled by hwint.h.
271 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
272 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
273 config/ia64/xm-ia64.h: Don't define any of:
274 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
275 HOST_BITS_PER_LONGLONG.
277 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
278 config/h8300/xm-h8300.h, config/mips/iris6.h,
279 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
280 config/sparc/xm-sp64.h: Delete.
281 * config.gcc: Remove references to deleted files.
283 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
284 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
285 * config/i370/xm-linux.h: Clarify floating-point situation in
288 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
290 * cppfiles.c (NO_INCLUDE_PATH): New macro.
291 (find_include_file): Decide here which part of the include
292 chain to start the search. Complain about an empty include
293 chain in all cases apart from an abolsute file name.
294 (_cpp_execute_include): Don't choose the search chain here.
295 Don't call handle_missing_include in the case of an empty
297 (_cpp_compare_file_date): Don't choose the search chain here.
298 * cpplib.c (do_include_next): Move the in-main-file diagnostic
299 here from _cpp_execute_include. Behave like #include if
300 we're in the main file.
302 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
304 * system.h (malloc, realloc, calloc, strdup): Only poison these
305 tokens when IN_GCC is defined.
307 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
309 * i386.md (abs?f expander): Support SSE case.
310 (abd?f_if): Add new "USE"; add splitters.
312 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
314 * cpp.texi (poison): Explain the macro expansion exception.
316 2001-03-13 Jakub Jelinek <jakub@redhat.com>
318 * expr.c (store_expr): Add dont_store_target. If temp is already in
319 target before copying to reg, don't store it into target again.
321 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
323 * cppinternals.texi: Update for file handling.
325 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
327 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
328 2001-02-24 which broke building the Java library.
329 * function.c (identify_blocks): Likewise.
330 (all_blocks): Likewise.
331 * integrate.c (integrate_decl_tree): Likewise.
332 * print-tree.c (print_node): Likewise.
333 * tree.h (BLOCK_NUMBER): Likewise.
334 (struct tree_block): Likewise.
336 2001-03-12 David Edelsohn <edelsohn@gnu.org>
338 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
339 __WCHAR_TYPE__ definition.
340 (WCHAR_TYPE_SIZE): #undef before #define.
342 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
344 * cppfiles.c: Update comments.
345 (destroy_include_file_node): Rename destroy_node.
346 (find_or_create_entry): New function.
347 (open_file, _cpp_fake_include): Use it.
348 (handle_missing_header): New function, broken out of
349 _cpp_execute include. Don't segfault if there is no
350 system or quoted path.
351 (_cpp_execute_include): Use handle_missing_header.
353 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
355 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
356 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
358 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
360 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
361 unless anti_dependence says they are.
362 * alias.c (objects_must_conflict): If neither has a type specified,
365 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
366 David Billinghurst <David.Billinghurst@riotinto.com>
368 * config/mips/iris5.h: Change WCHAR_TYPE to int.
370 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
372 * i386.md (trunctfdf2_2): Rename missnamed pattern.
373 (*_one_bit): Remove type on the match_operand in attributes.
375 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
377 * i386.c: Commit forgotten hunk in previous patch.
378 (regclass_map): Add extended registers.
379 (dbx_register_map): Add missing frame register.
381 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
383 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
385 * i386.md (x86_sahf_1): Disable for 64bit.
386 (popsi*, pophi*): Likewise.
387 (pushqi, pushhi): Likewise.
388 (movdi, pushdi): Likewise.
389 (zero extend DImode splitter): Likewise.
390 (adddi, minusdi splitter): Likewise.
391 (umulsidi): Likewise.
393 (mulsidi): Disable for 64bit
394 (lshift:DI/ashift:DI): Disable for 64bit.
395 (loop patterns): Likewise.
396 (call_pop, call_value_pop expanders and patterns): Likewise.
397 (prologue_get_pc): Likewise.
399 (fcmovDI pattern and splitter): Likewise.
400 (movdfcc_1_rex64): New.
402 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
404 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
405 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
406 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
407 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
408 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
409 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
410 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
411 (PUSH_ROUNDING): x86_64 rounds to 64bits.
412 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
413 (REGPARM_MAX): Set to 6 for x86_64.
414 (SSE_REGPARM_MAX): Set to 16 for x86_64.
415 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
418 * (patterns that does use upper halves): Update constraints
419 'q' to 'Q' and 'r' to 'R'.
420 (cmpqi_ext_1): Disable for 64bit.
421 (cmpqi_ext_3_insn): Likewise.
422 (movqi_extzv_1): Likewsie.
423 (addqi_ext_1): Liekwsie
424 (testqi_ext_1): Liekwsie
425 (andqi_ext_1): Liekwsie
426 (xorqi_ext_1): Liekwsie
427 (cmpqi_ext_1_rex64): New.
428 (cmpqi_ext_3_insn_rex64): Likewise.
429 (movqi_extzv_1_rex64): Likewsie.
430 (addqi_ext_1_rex64): Liekwsie
431 (testqi_ext_1_rex64): Liekwsie
432 (andqi_ext_1_rex64): Liekwsie
433 (xorqi_ext_1_rex64): Liekwsie
435 2001-03-11 Zack Weinberg <zackw@stanford.edu>
437 * configure.in: Move check for unsigned enumerated bitfields
438 to macro in aclocal.m4. Disable it for now.
439 * configure, config.in: Regenerate.
440 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
441 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
442 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
443 kind above its first use.
445 * config/xm-interix.h, config/alpha/xm-alpha.h,
446 config/i370/xm-linux.h, config/i386/xm-beos.h,
447 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
448 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
449 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
450 Don't define ONLY_INT_FIELDS under any circumstances.
452 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
454 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
455 config/sparc/xm-sysv4.h: Delete - now identical with some
457 * config.gcc (hppa targets): Replace xm-pahpux.h and
458 xm-papro.h with implicit xm-pa.h.
459 (sparc targets): Replace xm-sysv4.h with implicit or explicit
462 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
464 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
465 before reload_cse_noop_set_p.
467 2001-03-11 Zack Weinberg <zackw@stanford.edu>
469 * config.gcc: Where xm-host.h used to include another
470 xm-host.h, list the nested header directly in xm_file. Remove
471 references to deleted files. Can now use sparc/xm-sp64.h for
474 * config/xm-linux.h, config/arm/xm-linux.h,
475 config/i386/xm-dos.h, config/i386/xm-gnu.h,
476 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
477 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
478 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
479 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
482 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
483 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
484 bother to wrap #undef in #ifdef.
485 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
486 Don't include xm-linux.h.
487 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
489 * configure.in: Wrap regexps using [] in changequote block.
490 Use expr : not echo | grep. Simplify regexps.
491 * configure: Regenerate.
493 56 xm-files remain, 22 xm-arch.
495 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
497 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
498 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
499 (local_index, local_rindex): Delete, use strchr/strrchr instead.
500 (copy_object): Fix format specifier vs argument mismatch.
502 * mips-tdump.c: Make local functions static.
503 (rindex): Don't #undef.
504 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
505 (fatal, fancy_abort): Delete.
506 (read_seek): Avoid signed/unsigned compare.
508 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
510 * combine.c (try_combine): Fix error in change to try original
512 (gen_rtx_combine): Do same as gen_rtx for now.
514 2001-03-11 Zack Weinberg <zackw@stanford.edu>
516 * configure.in: AC_SUBST xm_defines.
517 * configure: Regenerate.
518 * Makefile.in: Set DEFINES=$(xm_defines) when building
521 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
523 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
524 (cpp_included, find_include_file): Update.
525 (_cpp_compare_file_date): Make else unconditional.
527 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
529 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
531 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
533 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
534 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
536 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
538 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
539 if it's a record type.
541 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
543 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
544 mingw includes slightly.
546 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
548 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
549 #undef token before poisoning it.
551 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
553 * alpha.c (check_float_value): Use memcpy, not bcopy.
555 * m32r.c (m32r_sched_reorder): Likewise.
557 * vax.c (check_float_value): Likewise.
559 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
561 * toplev.c (file_name_nondirectory): Remove.
562 * toplev.h: Similarly.
563 * dwarf2out.c (compute_section_prefix): Use lbasename instead
564 of file_name_nondirectory.
566 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
568 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
569 * mips-tfile.c: Don't #undef rindex; not used.
571 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
573 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
574 (dbx64_register_map): Declare.
575 (RETURN_ADDR_RTX): Fix for 64bit.
576 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
577 (INCOMING_FRAME_SP_OFFSET): Set to 8.
578 * i386.c (dbx64_register_map): New global array.
579 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
580 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
583 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
585 * cppfiles.c (search_from): Use lbasename.
586 * mkdeps.c (deps_add_default_target): Use lbasename.
588 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
590 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
591 xcalloc in lieu of malloc, realloc & calloc.
593 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
595 * gengenrtl.c (xmalloc): Likewise.
597 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
598 really_call_* memory allocation routines.
600 * stmt.c (check_for_full_enumeration_handling): Use
601 really_call_calloc, not calloc.
603 * system.h (really_call_malloc, really_call_calloc,
604 really_call_realloc): Define.
605 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
607 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
609 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
611 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
613 * configure: Rebuilt.
614 * configure.in: Only use `lang_requires' for languages athat are
617 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
619 * invoke.texi: Fix typo.
622 2001-03-09 Zack Weinberg <zackw@stanford.edu>
624 * configure.in: Prune nonexistent files from build_xm_file,
625 xm_file, and host_xm_file lists. Warn unless they're
627 Don't generate *config.h here.
628 AC_SUBST all variables needed to generate *config.h.
629 * configure: Regenerate.
630 * mkconfig.sh: New helper script, from code removed from
632 * Makefile.in: Zap all MALLOC variables - no longer used
633 anywhere, and malloc.c doesn't exist.
634 Substitute in variables needed to generate *config.h.
635 Stop lying about the dependencies contained in CONFIG_H and
637 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
638 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
639 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
640 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
641 $(TM_P_H), etc. as appropriate.
643 * config.gcc: Zap references to deleted files.
644 * ggc-none.c: Don't include rtl.h or tm_p.h.
646 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
647 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
648 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
649 config/i386/xm-linux.h, config/i386/xm-linux.h,
650 config/i386/xm-next.h, config/i386/xm-openbsd.h,
651 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
652 Don't include i386/xm-i386.h.
654 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
655 config/i386/xm-i386.h, config/i860/xm-i860.h,
656 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
657 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
658 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
659 Delete (empty except comments, #includes of other deleted
660 files, and macros used nowhere).
662 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
664 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
665 independent on TARGET_FLAGS.
667 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
669 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
671 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
673 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
675 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
676 LAST_REX_SSE_REG): define.
677 (enum reg_class): Add 'LEGACY_REGS'
678 (REG_CLASS_CONTENTS): Likewise; add extended registers.
679 (SSE_REGNO_P): Recognize extended registers.
680 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
681 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
682 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
683 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
684 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
685 REG_OK_FOR_STRREG_P): Remove.
686 (HI_REGISTER_NAMES): Add extended registers.
687 (ADDITIONAL_REGISTER_NAMES): Likewise.
688 (QI_REGISTER_NAMES): Add 8bit extended registers.
689 (DEBUG_REG): Support extended registers.
690 * i386.c (regclass_map): Add extended registers.
691 (dbx_register-map): Likewise.
692 (svr4_dbx_register_map): Likewise.
693 (print_reg): Support extended registers.
694 (print_operand): Support 64bit operands.
696 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
698 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
699 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
700 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
701 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
702 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
703 STACK_BOUNDARY): Set properly for 64bits.
704 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
705 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
706 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
707 (MOVE_MAX): Set to 16.
708 (MOVE_MAX_PIECES): 8 for 64bit.
709 (Pmode): Set to SImode.
711 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
713 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
715 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
717 * i386.h (mask_64bit): New constant.
718 (target_64bit): New macro.
719 (target_options): Add '64'/'32'
720 (target_default): Define.
721 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
722 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
723 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
725 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
727 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
729 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
731 * rtlanal.c (rtx_varies_p): Check operand 0 of a
732 LO_SUM unless for_alias is set.
734 2001-03-08 Stan Shebs <shebs@apple.com>
736 * objc/objc-act.c: Fix old typos in comments, add comments for
738 (hash_init): Fix file name in error message.
740 (hash_add_attr): Ditto.
741 (continue_class): Ditto.
743 2001-03-08 Bruce Korb <bkorb@gnu.org>
745 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
746 wait4() can receive the signal.
748 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
750 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
752 * fixinc/fixincl.x: Regenerate.
754 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
756 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
758 * fixinc/fixincl.x: Regenerate.
760 2001-03-08 Richard Henderson <rth@redhat.com>
762 * configure.in (HAVE_AS_LEB128): New assembler check.
763 * configure, config.in: Rebuilt.
765 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
767 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
770 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
772 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
773 references to the MAXPATHLEN macro.
775 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
776 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
779 * config/i386/xm-gnu.h, config/xm-gnu.h,
780 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
781 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
782 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
785 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
786 doing so in various xm-*.h files.
788 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
790 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
792 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
794 * configure.in (enable_shared): Support per-package shared-library
796 * configure: Rebuilt.
798 2001-03-07 David Edelsohn <edelsohn@gnu.org>
800 * rs6000.md (cr logic): Add original POWER mnemonic alternative
801 for crnot. Set operands[5] in splitter.
803 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
805 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
806 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
807 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
808 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
809 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
810 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
811 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
814 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
815 config/i370/xm-i370.h, config/i386/xm-dgux.h,
816 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
817 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
818 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
819 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
820 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
821 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
822 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
823 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
824 Delete unused and/or empty files.
826 * config.gcc: Define USG in xm_defines as appropriate. Define
827 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
828 macro. Remove deleted xm-* files from $xm_files variable.
830 2001-03-07 Tom Tromey <tromey@redhat.com>
832 * configure: Rebuilt.
833 * configure.in: Allow config-lang.in to set `lang_requires' to list
834 of other required languages.
836 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
838 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
840 (output_prologue): Use xmalloc not oballoc.
841 (output_epilog): Free a29k_first_epilogue_insn when finished.
842 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
844 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
846 * builtins.c (expand_builtin_mathfn): Check
847 flag_unsafe_math_optimizations, not flag_fast_math.
848 (expand_builtin): Likewise
849 * combine.c (combine_simplify_rtx): Likewise.
850 (simplify_if_then_else): Likewise.
851 * cse.c (fold_rtx): Likewise.
852 * flags.h: Remove flag_fast_math. Add
853 flag_unsafe_math_optimizations and flag_trapping_math.
854 * fold-const.c (negate_expr): Check
855 flag_unsafe_math_optimizations, not flag_fast_math.
856 (invert_truthvalue): Likewise.
857 (fold): Likewise. Before associating operands, check that
858 code == MULT_EXPR, not code != MULT_EXPR.
859 * ifcvt.c (noce_try_minmax): Check
860 flag_unsafe_math_optimizations, not flag_fast_math.
861 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
862 * invoke.texi: Document -funsafe-math-optimizations and
863 -fno-trapping-math. Change documentation for -ffast-math.
864 * jump.c (reversed_comparison_code_parts): Likewise.
865 (rtx_equal_for_thread_p): Likewise.
866 * optabs.c (emit_conditional_move): Likewise.
867 * simplify-rtx.c (simplify_binary_operation): Likewise.
868 (simplify_relational_operation): Likewise.
869 (simplify_ternary_operation): Likewise.
870 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
871 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
872 Add trapping-math and unsafe-math-optimizations entries to f_options.
873 (set_fast_math_flags): New, sets flags for -ffast-math.
874 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
875 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
876 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
878 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
879 (alpha_emit_conditional_move): Initialize local_fast_math to
880 flag_unsafe_math_optimizations, not flat_fast_math.
881 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
882 instead of setting flag_fast_math to 1.
883 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
885 * config/i386/i386.c (override_options): Likewise
886 * config/i386/i386.md: Likewise.
887 * config/m68k/m68k.md: Likewise.
888 * config/mips/mips.md: Likewise.
889 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
890 (rs6000_generate_compare): Likewise.
892 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
894 * Makefile.in: Set RANLIB to @RANLIB@.
897 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
899 * fixinc/inclhack.def (djgpp_wchar_h): New test.
900 * fixinc/fixincl.x: Regenerated.
902 2001-03-07 Richard Henderson <rth@redhat.com>
904 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
906 2001-03-07 Richard Henderson <rth@redhat.com>
908 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
909 of block notes and exception handling notes.
911 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
912 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
913 (compile_file): ... here.
915 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
917 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
919 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
920 config.h now. Include libiberty.h to handle alloca.
922 2001-03-06 Zack Weinberg <zackw@stanford.edu>
924 * c-parse.in (yylexname): New function, split out of _yylex.
925 (objc_rid_sans_at): New table.
926 (init_reswords): Initialize it.
927 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
928 retrieving the next token and checking it for significance as
929 an ObjC keyword or string constant.
931 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
932 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
934 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
937 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
939 * config/m68k/m68k.c (const_uint32_operand): Accept any
940 const_int on a 32-bit host.
942 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
944 * objc/objc-act.c (init_objc): Set save_lang_status,
945 restore_lang_status, and mark_lang_status.
947 2001-03-06 Krister Walfridsson <cato@df.lth.se>
949 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
951 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
953 * cppinternals.texi: Update.
955 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
957 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
958 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
959 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
960 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
961 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
962 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
963 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
964 config/i386/xm-i386.h, config/i860/xm-i860.h,
965 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
966 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
967 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
968 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
969 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
970 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
971 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
972 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
973 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
974 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
975 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
976 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
977 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
978 match the defaults provided in hwint.h.
980 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
981 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
983 * config.gcc (xm_file): Don't set to files which are deleted.
985 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
986 guard this file against these macros being undefined.
988 2001-03-06 Zack Weinberg <zackw@stanford.edu>
990 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
991 and DECL_DEFER_OUTPUT on the decl we create, before calling
992 rest_of_decl_compilation.
994 2001-03-06 Zack Weinberg <zackw@stanford.edu>
996 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
998 * configure, config.in: Regenerate.
999 * config.gcc: Remove references to deleted files.
1001 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
1002 genrecog.c, rtl.c: Do not use alloca anywhere.
1004 * Makefile.in, build-make, system.h, config/x-interix,
1005 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
1006 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
1007 config/arc/xm-arc.h, config/arm/xm-arm.h,
1008 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1009 config/h8300/xm-h8300.h, config/i370/x-oe,
1010 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
1011 config/i386/x-ncr3000, config/i386/x-sco5,
1012 config/i386/xm-dgux.h, config/i860/x-sysv4,
1013 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
1014 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
1015 config/m68k/x-hp320g, config/m69k/x-mot3300,
1016 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
1017 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
1018 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
1019 config/m88k/x-sysv4, config/m88k/x-tekXD88,
1020 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1021 config/mips/x-iris, config/mips/x-iris3,
1022 config/mips/x-sni-svr4, config/mips/x-sysv,
1023 config/mips/xm-iris6.h, config/mips/xm-mips.h,
1024 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
1025 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
1026 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1027 config/pa/xm-papro.h, config/romp/xm-romp.h,
1028 config/rs6000/x-aix31, config/rs6000/x-aix41,
1029 config/rs6000/x-beos, config/rs6000/x-lynx,
1030 config/rs6000/x-mach, config/rs6000/x-rs6000,
1031 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
1032 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1033 config/sparc/x-sysv4, config/sparc/xm-linux.h,
1034 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
1035 config/vax/xm-vms.h: Eradicate all references to alloca and
1038 * config/xm-alloca.h, config/clipper/x-clix,
1039 config/i386/xm-sysv4.h, config/i860/x-fx2800,
1040 config/i860/x-sysv3, config/m88k/x-sysv3,
1041 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
1042 (contained only alloca related hacks).
1044 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
1047 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
1049 * invoke.texi: Document __FAST_MATH__.
1051 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1053 * crtstuff.c: Restore include of auto-host.h.
1055 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
1057 Put main() in a separate file, so that the language
1058 front-end can use a different main().
1061 * toplev.c: (main): Rename as toplev_main.
1062 * toplev.h: Declare toplev_main.
1063 * Makefile.in (OBJS): add toplev.o.
1064 (BACKEND): remove toplev.o, add main.o.
1066 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1068 * cppfiles.c (search_from): Special case the empty string.
1070 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1072 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1073 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1074 strlen or strcpy; we already know the length.
1075 (_cpp_compare_file_date): Similarly.
1076 * cpphash.h (struct cpp_reader): Delete done_initialising.
1077 (CPP_PREV_BUFFER): Delete.
1078 * cppinit.c (cpp_start_read): Don't set done_initialising.
1079 * cpplex.c (parse_string): Guarantee null-termination.
1080 (_cpp_equiv_toklists): Remove.
1081 * cpplib.c (glue_header_name): Null-terminate.
1082 (do_line): Don't leak memory.
1083 * cpplib.h (BT_WEAK): Delete.
1084 * cppmain.c (cb_ident): Strings are now null-terminated.
1086 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1088 * gcc.c (convert_filename): Append executable suffix
1089 if NO_AUTO_EXE_SUFFIX is not defined.
1090 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1091 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1093 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1095 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1096 * c-parse.gperf, c-gperf.h: Delete.
1097 (c-gperf.h was accidently re-added to the CVS repo in the rev
1098 1.16 commit by tromey)
1100 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1102 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1103 macro arguments when looking for the '('.
1104 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1105 2 when really parsing arguments; 1 when looking for '('.
1106 Always restore the lexer position.
1108 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1110 * longlong.h (umul_ppmm): Don't use a multiline string.
1112 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1114 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1115 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1116 t_bool in declaration because pcc can't combine volatile with typedef
1119 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1121 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1122 until when it is really needed.
1123 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1124 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1125 * i386.md (float?i?f splitter): Don't force source operand to memory
1127 (sse_movdfcc): Fix constraint.
1128 (sse_movdfcc splitter): Handle properly the second alternative.
1130 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1132 * cpplex.c (parse_string): Unconditionally pedwarn.
1134 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1137 * cppexp.c (parse_number): Update.
1138 * cpplex.c (parse_string): Pedwarn if multiline string does not
1139 result from a system header's macro.
1140 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1141 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1142 for function-like macros too.
1143 * c-lex.c (lex_number): Update.
1145 2001-03-03 Richard Henderson <rth@redhat.com>
1147 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1149 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1151 * combine.c (try_combine): If split with mode-changed scratch
1152 register didn't work, try the original mode.
1154 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1156 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1157 * config/c4x/c4x.h: Likewise.
1158 * stor-layout.c (compute_record_mode): Likewise.
1159 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1161 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1163 * configure.in: Kill tm.h. Include the files in the $tm_file
1164 list in all three of config.h, hconfig.h, tconfig.h, after the
1165 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1166 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1167 * configure: Regenerate.
1168 * Makefile.in (clean): Don't delete tm.h.
1170 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1171 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1172 those are not defined, set SEC and FEC to 0 and 1.
1173 * gcc.texi: Update to match.
1175 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1176 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1177 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1178 Include tconfig.h, not tm.h.
1180 * config/xm-lynx.h, config/xm-std32.h,
1181 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1182 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1183 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1184 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1185 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1186 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1187 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1188 config/i386/xm-i386.h, config/i860/xm-i860.h,
1189 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1190 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1191 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1192 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1193 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1194 config/pa/xm-linux.h, config/pa/xm-pa.h,
1195 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1196 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1197 config/pj/xm-pj.h, config/romp/xm-romp.h,
1198 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1199 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1200 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1201 config/v850/xm-v850.h, config/vax/xm-vax.h,
1202 config/we32k/xm-we32k.h:
1204 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1206 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1207 config/i370/xm-oe.h: Don't include tm.h. Don't define
1209 * config/vax/xm-vms.h: Don't include tm.h.
1211 * config/xm-lynx.h, config/avr/xm-avr.h,
1212 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1213 Delete; made empty by above changes.
1214 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1215 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1216 Don't include config/xm-lynx.h or tm.h.
1218 * config/xm-gnu.h: Don't include fcntl.h.
1219 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1221 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1223 2001-03-02 Richard Henderson <rth@redhat.com>
1225 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1226 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1228 2001-03-02 Richard Henderson <rth@redhat.com>
1230 * Makefile.in (OBJS): Add dwarf2asm.o.
1231 * dwarf2asm.c, dwarf2asm.h: New files.
1232 * dwarf2out.c (*): Use them.
1233 (size_of_uleb128, size_of_sleb128): Remove.
1234 (output_uleb128, output_sleb128): Remove.
1235 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1236 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1237 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1238 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1239 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1240 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1241 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1242 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1243 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1244 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1245 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1246 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1247 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1248 (dwarf2out_frame_debug): Remove unused variables.
1249 (output_loc_operands): Don't abort on 8 byte constants if
1250 host integers are wide enough.
1251 (output_symbolic_ref): Remove.
1252 (size_of_die): Don't assume 4 byte host integers.
1253 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1255 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1256 something stupid with HOST_WIDE_INT to long truncation.
1257 [CONST_DOUBLE]: Likewise.
1259 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1260 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1261 * config/arm/unknown-elf.h: Likewise.
1262 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1263 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1264 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1265 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1266 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1267 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1268 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1269 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1270 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1271 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1272 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1273 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1275 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1277 * cselib.c (hash_rtx): Cast enums to unsigned int.
1279 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1281 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1282 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1284 * c-format.c (C_STD_VER): Cast to int for comparisons.
1285 (check_function_format): Cast various enums to int for &.
1286 (maybe_read_dollar_number): Likewise.
1287 (check_format_info): Likewise.
1288 (check_format_info_main): Likewise.
1289 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1290 (safe_from_p): Likewise.
1291 * varasm.c (const_hash): Cast enum to int for %.
1292 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1293 pcc enum problems with < and ++ operators.
1294 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1295 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1296 (regclass_init): Change enum class to int to iterate over reg_classes.
1297 * genrecog.c (merge_trees): Cast enums for comparison.
1298 * rtl.h (GET_CODE): Cast to enum rtx_code.
1299 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1300 (GET_MODE): Cast to enum machine_mode.
1301 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1302 (GET_NOTE_INSN_NAME): Cast enum to int.
1303 * tree.h (TREE_CODE): Cast to enum tree_code.
1304 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1305 * timevar.c (timevar_print): Change loop variable id from enum to
1307 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1308 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1309 * toplev.c (compile_file): Cast enum DFI to int.
1310 (decode_d_option): Likewise.
1312 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1314 * cppinit.c (append_include_chain): Mark "after" include file name list
1315 as a system directory.
1316 * cpp.texi: Document new behavior.
1318 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1320 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1322 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1324 * cppfiles.c (struct include_file): Update.
1325 (stack_include_file): Use search_from.
1326 (cpp_included, find_include_file): Update.
1327 (cpp_execute_include): Update. ptr->name may not be
1328 null terminated. Use the new search_from member variable
1330 (_cpp_compare_file_date): Similarly.
1331 (search_from): New function, similiar to actual_directory.
1332 (actual_directory): Delete.
1333 (remap_filename): Update. loc->name may not be null terminated.
1334 (struct file_name_list): Rename search_path. Update.
1335 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1336 search_from and dir.
1337 (struct cpp_reader): Remove actual_dirs.
1338 * cppinit.c (struct cpp_pending): Update for renamed objects.
1339 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1340 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1341 * cpplib.h (struct cpp_options): Similarly.
1343 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1345 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1346 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1347 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1348 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1349 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1350 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1351 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1352 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1353 config/i370/xm-oe.h, config/i386/xm-aix.h,
1354 config/i386/xm-i386.h, config/i386/xm-osf.h,
1355 config/i860/xm-i860.h, config/i960/xm-i960.h,
1356 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1357 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1358 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1359 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1360 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1361 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1362 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1363 config/pj/xm-pj.h, config/romp/xm-romp.h,
1364 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1365 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1366 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1367 config/v850/xm-v850.h, config/vax/xm-vax.h,
1368 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1369 Do not define TRUE or FALSE.
1371 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1372 empty by above change.
1373 * config.gcc: Remove references to these files.
1375 * configure.in: Detect stdbool.h.
1376 * configure, config.in: Regenerate.
1377 * system.h: Include stddef.h here if available.
1378 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1379 Then set up a sensible boolean type at the very end.
1381 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1382 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1384 * hash.h: Delete 'boolean' typedef and related #undefs.
1386 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1387 all uses of 'boolean' with 'bool'.
1389 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1391 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1392 * cppexp.c (lex): Cast enums for comparison.
1393 * cppinit.c (parse_option): Cast enum for comparison.
1394 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1395 (cpp_output_token): Likewise.
1396 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1397 (cpp_avoid_paste): Cast enums for minus and comparison.
1399 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1401 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1402 field to all array elements.
1404 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1406 * cpphash.h (struct cpp_reader): Add print_version field.
1407 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1408 just set print_version and other flags as appropriate.
1409 (cpp_post_options): Print version here if print_version is set.
1411 * toplev.c (exit_after_options): New flag.
1412 (independent_decode_option): Don't exit here; just set
1414 (main): Exit after calling lang_hooks.post_options if
1415 exit_after_options is true.
1417 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1418 (merge_include_chains): Adjust comment to match code.
1420 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1422 * stringpool.c (set_identifier): New function.
1423 * tree.h: Prototype it.
1425 * c-parse.in: Kill D_YES. If compiled for objc, call
1426 save_and_forget_protocol_qualifiers from init_reswords.
1427 * objc/objc-act.c (remember_protocol_qualifiers,
1428 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1429 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1431 (save_and_forget_protocol_qualifiers): New function.
1432 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1434 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1436 * c-semantics.c (prune_unused_decls): Return error_mark_node
1437 instead of (tree) 1 to stop traversing the tree chain.
1439 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1441 Fix a problem introduced by Kenner's Feb 18 change.
1442 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1443 flag_cse_skip_blocks only temporarily, not for ever.
1445 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1447 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1448 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1450 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1451 before determining its register class.
1453 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1455 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1456 from reg 4 if current_function_calls_setjmp.
1457 (gen_nop_type): New function.
1458 (ia64_emit_nops): New function.
1459 (ia64_reorg): Call it.
1460 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1462 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1463 code not to try to optimize adds with anything but a REG destination.
1465 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1466 (INSN_PRIORITY_KNOWN): New accessor macro.
1467 * haifa-sched.c (priority): Use it instead of testing priority against
1470 2001-02-28 DJ Delorie <dj@redhat.com>
1472 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1473 since that doesn't work the way gcc wants on a generic m68k.
1475 2001-02-28 Richard Henderson <rth@redhat.com>
1477 * caller-save.c (save_call_clobbered_regs): Fix typo in
1478 comparison last change.
1480 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1482 * i386.c (pentium4_cost): New.
1483 (m_PENT4): New macro.
1484 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1485 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1486 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1487 x86_memory_mismatch_stall): Add Pentium4
1488 (x86_use_q_reg, x86_use_any_reg): Kill.
1489 (override_options): Add pentium4.
1490 (incdec_operand): Return 0 for pentium4.
1491 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1492 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1493 (TARGET_PENTIUM4): Define.
1494 (enum processor_type): Add PROCESSOR_PENTIUM4.
1495 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1496 * i386.md (attribute "cpu"): Add pentium4.
1497 * invoke.texi (march): Add pentium4.
1499 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1501 * i386.md (sse_mov?fcc*): New patterns and splitters.
1502 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1503 the SSE based conditional moves.
1505 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1507 * i386.md (attribute mode): Add "TI".
1508 (movsf_1): Add pxor support; remove constant propagation splitter.
1509 (movdf_integer): Likewise.
1510 (movdf_nointeger): Likewise.
1511 (movxf constant prop splitter): Handle all modes; update for SSE.
1512 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1513 * i386.c (standard_80387_constant_p): Rewrite.
1514 (standard_sse_constant_p): New.
1515 * i386-protos.h (standard_sse_constant_p): New.
1517 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1519 * i386.md (sse_setccsf, sse_setccdf): New.
1520 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1522 * i386.c (sse_comparison_operator): Accept the supported unordered
1523 comparses; be ready for fast_math.
1524 (print_operand): Support 'D'.
1526 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1528 * jump.c (reversed_comparison_code): Kill.
1530 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1532 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1535 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1537 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1538 add missing '%' in constraints.
1540 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1542 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1543 for HOST_BITS_PER_WIDE_INT == 32 too.
1545 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1547 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1549 (insert_save, insert_restore): New parameter save_mode.
1550 (init_caller_save): Update initialization of reg_save_code
1551 and reg_restore_code.
1552 (save_call_clobbered_regs): Compute save_modes and update calls to
1553 reg_save_code and reg_restore_code.
1554 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1555 of spill; update use of reg_restore_code.
1556 (insert_save): Likewise.
1557 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1558 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1559 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1561 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1563 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1564 noce_try_store_flag_inc, noce_try_store_flag_mask,
1565 noce_try_cmove_arith):
1566 Use reversed_comparison_code instead of reverse_comparison and
1567 can_reverse_comparison_p.
1569 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1571 * jump.c (reversed_comparison_code_parts): Allow reversal of
1572 unordered compares in -ffast-math mode; reverse ordered compares
1573 for FP even w/o -ffast-math.
1575 2001-02-27 Richard Henderson <rth@redhat.com>
1577 * print-rtl.c (print_rtx) [i]: Don't print field five on
1578 NOTEs other than NOTE_INSN_DELETED_LABEL.
1580 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1582 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1583 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1585 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1587 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1588 even if walk_subtrees is 0.
1589 * c-semantics.c (prune_unused_decls): Return a non-null value to
1590 stop traversing the tree chain.
1592 2001-02-27 DJ Delorie <dj@redhat.com>
1594 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1595 register, *then* define it as the new CFA.
1597 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1599 * pa.c (override_options): Promote -fpic to -fPIC.
1600 (legitimize_pic_address): Simplify due to removal of
1601 small PIC as a code generation option.
1602 (secondary_reload_class): Similarly.
1603 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1604 (PRINT_OPERAND_ADDRESS): Similarly.
1605 * pa.md (various patterns): Similarly.
1606 (small pic lo_sum pattern): Remove.
1608 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1611 * md.texi (min, max): Document
1613 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1615 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1616 TARGET_PARTIAL_REG_DEPENDENCY.
1617 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1619 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1621 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1623 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1625 * mips.c (mips_make_temp_file): Fix thinko in last change.
1627 2001-02-26 Jason Eckhardt <jle@redhat.com>
1629 * combine.c (known_cond): Do not reverse the condition when
1630 SMAX/UMAX is being considered and the condition is for equality
1633 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1635 2001-02-26 Philip Blundell <philb@gnu.org>
1637 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1639 * config/arm/linux-elf.h: Remove historical relics related to
1640 above configurations.
1641 * config/arm/linux-oldld.h: Delete.
1642 * config/arm/linux-elf26.h: Delete.
1644 2001-02-26 Jason Merrill <jason@redhat.com>
1646 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1648 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1649 recognize a tentative definition. Lose obsolete code.
1651 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1652 variables unless necessary, either.
1654 2001-02-25 Richard Henderson <rth@redhat.com>
1656 * ifcvt.c (struct noce_if_info): Add test_bb.
1657 (noce_get_alt_condition): New.
1658 (noce_try_minmax, noce_try_abs): New.
1659 (noce_operand_ok): New.
1660 (noce_process_if_block): Use them.
1661 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1663 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1665 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1668 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1670 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1671 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1673 (mips_asm_file_end): Free temp_filename here.
1675 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1677 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1678 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1680 * config/i386/i386.md (movstrsi): Handle FAIL case.
1682 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1684 * cppinit.c (builtin_array): Update.
1685 (init_builtins): Flag builtins to warn if redefined or
1686 undefined. Define __GXX_WEAK as a normal macro.
1687 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1688 * cpplib.h (NODE_WARN): New flag.
1689 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1690 Handle __STDC__ as a builtin only on Solaris.
1691 (warn_of_redefinition): Renamed from check_macro_definition.
1692 Reverse sense of test. Always warn if NODE_WARN.
1693 (_cpp_create_definition): Use warn_of_redefinition. Flag
1694 any macro beginning with "__STDC_" to require a mandatory
1695 warning if redefined or undefined.
1697 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1699 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1700 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1701 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1702 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1703 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1704 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1705 Don't define any of:
1706 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1707 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1708 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1709 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1710 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1712 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1713 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1716 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1717 Delete now-empty file.
1719 * alpha/vms.h: Define NEED_ATEXIT here...
1720 * alpha/xm-vms.h: ...not here.
1722 * i386/cygwin.h: Don't define PARAMS.
1723 * mips/mips.c: Don't prototype mktemp. Don't define
1724 P_tmpdir. Use make_temp_file to create temporary files.
1725 Don't be clever and delete temporary files early.
1726 * config.gcc: Drop references to deleted files. Don't define
1728 * gcc.texi: Don't mention USE_PROTOTYPES.
1730 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1732 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1733 (ix86_set_move_mem_attrs_1): Likewise.
1734 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1735 * config/i386/i386.md (movstrsi): Call it.
1737 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1739 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1740 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1741 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1742 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1744 (i750a-*-*): Error here if hosting on i750a.
1745 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1747 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1748 Remove (empty modulo comments).
1750 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1751 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1752 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1753 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1754 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1755 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1757 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1758 Remove reference to winnt.h in comment.
1759 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1761 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1763 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1764 used to set another biv.
1766 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1768 * tree.h (BLOCK_DEAD): New macro.
1769 (struct tree_block): New flag, dead_flag.
1770 * print-tree.c (print_node, case 'b'): Print missing fields.
1771 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1772 * function.c (identify_blocks): Enable test for misplaced notes.
1773 (all_blocks): Skip BLOCK_DEAD blocks.
1774 * integrate.c (integrate_decl_tree): Likewise.
1776 * errors.c (internal_error, trim_filename): New functions.
1777 (fancy_abort): Call internal_error.
1778 * errors.h (internal_error, trim_filename): New declarations.
1780 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1782 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1784 (EXTRA_CONSTRAINT): Formatting changes.
1786 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1788 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1790 2001-02-23 Per Bothner <per@bothner.com>
1792 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1793 so they can be called from java/jvspec.c.
1794 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1796 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1798 * i386.c (ix86_frame): New structure.
1799 (ix86_compute_frame_size): Kill.
1800 (ix86_compute_frame_layout): New.
1801 (ix86_save_reg): New.
1802 (ix86_can_use_return_insn_p): Use frame layout stuff.
1803 (ix86_expand_prologue): Likewise.
1804 (ix86_expand_epilogue): Likewise.
1805 (ix86_initial_elimination_offset): Likewise.
1806 (ix86_nsaved_regs): Use ix86_save_reg.
1807 (ix86_emit_save_regs): Likewise.
1809 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1811 * flow.c (find_sub_basic_blocks): New function.
1812 (split_block): Be ready for basic block introduced by CODE_LABEL.
1813 (commit_one_edge_insertion): Call find_sub_basic_block.
1815 * flow.c (make_edges): Add edge from entry for blocks starting with
1816 label having ALTERNATE_NAME
1818 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1820 * function.c (epilogue_done): Be ready for first basic block not
1821 containing PROLOGUE_END note.
1822 (reposition_prologue_and_epilogue_notes): Avoid placing
1823 PROLOGUE_END note between BASIC_BLOCK.
1825 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1827 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1829 2001-02-21 DJ Delorie <dj@redhat.com>
1831 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1832 check for current_function_has_nonlocal_goto from 1999-11-12.
1834 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1836 * diagnostic.c (trim_filename): No longer static.
1837 * toplev.h (trim_filename): Declare.
1838 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1839 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1840 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1841 (rtvec_check_failed_bounds): Likewise.
1842 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1844 * convert.c (convert_to_integer): Don't do unsigned unless result or
1845 both inputs are unsigned.
1847 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1850 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1852 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1854 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1856 * Makefile.in (resource.o): Add params.h dependence.
1857 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1858 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1859 * resource.c: Add dependence on params.h.
1860 (current_live_regs): Fix explanatory comment.
1861 (find_basic_block): Add new parameter to permit limiting search
1863 (mark_target_live_regs): Add new argument to find_basic_block call.
1864 (incr_ticks_for_insn): Likewise.
1866 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1868 * diagnostic.c (output_to_stream): Rename to
1869 output_buffer_to_stream. Loses the stream parameter.
1870 (init_output_buffer): Set diagnosic_buffer's stream.
1871 (flush_diagnostic_buffer): Adjust.
1872 (default_print_error_function): Likewise.
1873 (finish_diagnostic): Likewise.
1874 (verbatim): Likewise.
1876 * diagnostic.h (struct output_buffer): Add `stream' field.
1877 (output_buffer_attached_stream): New macro.
1879 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1881 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1882 check if either operand is divisible by C.
1883 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1884 If type is signed, consider negative numbers as well.
1886 2001-02-22 Richard Henderson <rth@redhat.com>
1888 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1889 reach .text instead of gp-relative relocs.
1890 * config/ia64/crtend.asm (.init): Likewise.
1892 2001-02-22 Andreas Jaeger <aj@suse.de>
1894 * extend.texi (C++ Attributes): Fix typo.
1896 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1898 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1899 functions, drop current_function_args_info.words test.
1900 (ia64_compute_frame_size): Mark syscall_linkage functions as
1901 using eight input registers.
1903 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1904 Bruce Korb <bkorb@gnu.org>
1906 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1907 * fixinc/README: Document how to convert sed substitutions
1908 to format style c_fix-es.
1909 * fixinc/fixincl.x: regen
1911 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1913 * gcc.c: Add comment explaining how to add a command-line option.
1914 Add title to specs language comment.
1916 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1918 * gcc.c (cc1_options): Add "-param".
1919 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1920 (option_map): Likewise.
1921 * toplev.c (display_help): Add entry for "--param".
1922 (independent_decode_option): Fix typographical error.
1924 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1925 Bernd Schmidt <bernds@redhat.com>
1926 Jan Hubicka <jh@suse.cz>
1928 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1929 (function_arg): Likewise.
1931 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1933 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1935 2001-02-21 Kazu Hirata <kazu@hxi.com>
1937 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1941 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1943 * flow.c (init_propagate_block_info): Canon address and use single_set
1944 for killing dead memory stores.
1946 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1948 * Makefile.in (reorg.o): Add params.h dependence.
1949 * params.def: Fix typographical error in comment.
1950 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1951 * params.h: Modify introductory comment.
1952 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1953 * reorg.c: Add dependence on params.h.
1954 (redundant_insn): Add parameterized throttle for search.
1955 (fill_simple_delay_slots): Add a comment explaining a variable.
1956 Move conditional out of loop, simplifying code.
1957 (fill_eager_delay_slots): Fix typographical error in comment.
1959 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1961 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1963 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1964 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1966 2001-02-21 Jason Merrill <jason@redhat.com>
1968 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1969 (struct tree_decl): Add uninlinable bitfield.
1970 * c-decl.c (duplicate_decls): Set it.
1971 * integrate.c (function_cannot_inline_p): Check it.
1973 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1974 DW_AT_MIPS_linkage_name to abstract methods.
1975 (dwarf2out_abstract_function): Emit class context before calling
1976 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1977 (gen_subprogram_die): Remove obsolete code.
1978 (gen_member_die): Don't include clones in the member list.
1979 (gen_decl_die): Emit abstract info for clone origin.
1980 * dwarfout.c (output_type): Don't include clones in the member list.
1981 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1982 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1983 DECL_ABSTRACT on a function that already has it set.
1985 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1986 (get_subprogram_die): Pass it in.
1988 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1990 * flow.c (mark_set_1): Make not_dead unsigned long. For
1991 non-pseudos, use it as a bitmask of the hard regs that
1994 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1996 * cppfiles.c: Update comments.
1997 (_cpp_read_file): Don't check for NULL filenames any more.
1998 * cppinit.c (cpp_start_read): Don't do canonicalization of
1999 in_fname and out_fname. Use the passed file name exclusively.
2000 (_cpp_handle_options): Don't treat "-" as a command line option,
2001 but as a normal filename.
2002 (_cpp_post_options): Canonicalize in_fname and out_fname.
2003 * cppmain.c (printer_init): Don't check out_fname for NULL.
2004 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2005 (init_c_lex): Update, and use "" to represent stdin to CPP.
2008 2001-02-20 Will Cohen <wcohen@redhat.com>
2010 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2011 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2012 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2015 2001-02-20 Stan Shebs <shebs@apple.com>
2017 * config/rs6000/rs6000.c (output_cbranch): Output branches
2018 on separate lines instead of using ';' to separate.
2020 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
2022 * cppinit.c (set_lang): Move builtin handling to...
2023 (init_builtins): ...here.
2024 (_cpp_create_reader): Move call to set_lang.
2026 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2028 * stmt.c (expand_return): If an attempt is made to return the
2029 error_mar_node, treat the return like a return without a value.
2031 2001-02-19 Zack Weinberg <zackw@stanford.edu>
2033 * sibcall.c (skip_copy_to_return_value): Call
2034 identify_call_return_value here, and return orig_insn if it
2035 returns zero. Hardret and softret arguments now unnecessary.
2036 (call_ends_block_p): Don't call identify_call_return_value here.
2038 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2040 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2041 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2043 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
2045 * pa.c (move_operand): Accept code to load the address of a
2046 symbol out of the DLT as a valid move operand.
2047 (print_operand, case 'A'): New to handle generating a DLT
2048 reference for a LO_SUM expression.
2049 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2050 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2052 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2054 * README, cpp.texi, gcc.texi, version.c: Update version number to
2056 * cpp.1, gcov.1, gcc.1: Regenerate.
2058 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2060 * cppfiles.c (stack_include_file): Generate dependencies
2061 here, and manage include_count here too.
2062 (PRINT_THIS_DEP): Delete.
2063 (_cpp_execute_include): Do not generate dependencies here,
2064 apart from the case of a missing header. Do not manage
2066 (_cpp_read_file): Leave dependency generation to
2069 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2071 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2072 target_cpu_default. Remove dead assignment to
2075 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2077 * regclass.c (contains_reg_of_mode): Make global.
2078 (init_reg_sets): Remove contains_reg_of_mode; take into account
2079 CLASS_MAX_NREGS when looking for the proper mode.
2080 (dump_regclass): Dump only classes considered for the pseudo.
2081 (regclass): Use contains_reg_of_mode.
2083 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2085 * gcc.c (do_spec_1): 'n' for printing notices.
2086 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2088 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2090 * reg-stack.c (next_flags_user): Use current_block->end
2091 (swap_rtx_condition): Look for next user if flags don't die;
2092 give up on CALL_INSNs; use current_block->end.
2094 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2096 * sibcall.c (call_ends_block_p): New function.
2097 (optimize_sibling_and_tail_recursive_call): Use it.
2099 2001-02-18 Kazu Hirata <kazu@hxi.com>
2101 * config/h8300/h8300.md: Update copyright.
2102 (andsi3): Do not output an extra newline character.
2104 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2106 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2107 FNDECL may be unused.
2109 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2110 follow jumps after first run.
2111 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2112 it doesn't change any jumps.
2114 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2116 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2117 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2118 (mostlyclean): Corresponding changes.
2119 * rtlanal.c (hard-reg-set.h): Include.
2120 (rtx_unstable_p): Do not treat the argument pointer specially
2121 if it is not a fixed register.
2122 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2124 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2126 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2127 against last real insn in basic block.
2128 Rework to avoid gotos.
2130 * Makefile.in (gcse.o): Now includes ggc.h.
2131 * gcse.c: Include ggc.h.
2132 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2133 (try_replace_reg): Remove warning of uninitialize variable.
2134 (process_insert_insn): Call invalid_insn_p to validate insn.
2135 * recog.c (insn_invalid_p): Now global.
2136 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2137 * recog.h (insn_invalid_p): New declaration.
2139 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2141 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2142 assignments from FP constants since 'Y' output code can't handle it.
2143 (eligible_for_sibcall_delay): Likewise.
2145 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2146 Call fancy_abort directly, passing args.
2147 (print_rtl_and_abort): Now a macro, like fancy_abort.
2149 * final.c (output_operand_lossage): Use internal_error, not error.
2151 2001-02-18 Shane Nay <shane@agendacomputing.com>
2153 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2154 structure shift insns.
2156 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2158 * invoke.texi (-fsquangle): Remove documentation.
2159 (-fname-mangling-version): Likewise.
2161 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2163 * optabs.c (expand_abs): Remove reference to
2164 HAVE_contitional_arithmetic.
2165 * combine.c (simplify_set): Likewise.
2167 2001-02-18 Richard Henderson <rth@redhat.com>
2169 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2172 2001-02-18 Richard Henderson <rth@redhat.com>
2174 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2176 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2178 * reload1.c (reload_cse_simplify_set): Fix typo.
2180 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2182 * diagnostic.c (_fatal_insn): Decrement errorcount.
2184 * invoke.texi (-I): Add note avoiding use for system header files.
2186 * rtl.h (add_clobbers): Remove duplicate declaration.
2187 * recog.h (added_clobbers_hard_reg_p): New declaration.
2188 * genemit.c (struct clobber_pat): New field has_hard_reg.
2189 (gen_insn): Record if added clobbers clobber hard reg.
2190 (gen_split): Avoid unused warning if number of operands is 0.
2191 (output_added_clobbers_hard_reg_p): New function.
2194 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2196 * pa.c (hppa_expand_prologue): Simplify code storing return
2197 pointer. For large (>=8k) frames with a post_store, adjust stack
2198 pointer by 8k-64 first rather than by 64. When testing with
2199 VAL_14_BITS_P, always use the actual value rather than the value
2200 negated. Add blockage to prevent scheduling of spills before
2201 stack frame has been created.
2202 (hppa_expand_epilogue): Simplify code loading return pointer.
2203 Allow a slightly larger range for merge_sp_adjust_with_load case.
2204 When testing with VAL_14_BITS_P, always use the actual value.
2206 * pa.c (pa_adjust_insn_length): Check that block move
2207 pattern is a set before looking at operands.
2209 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2211 * fold-const.c (fold_binary_op_with_conditional_arg): New
2212 function, split out from ...
2214 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2215 conditional arms that throw exceptions.
2217 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2220 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2222 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2223 define HAVE_DECL_* to 1 to mask potential backup declarations.
2224 * configure: Regenerated.
2226 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2228 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2230 2001-02-17 Richard Henderson <rth@redhat.com>
2232 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2233 when replacing a memory load with a register.
2235 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2236 Jan Hubicka <jh@suse.cz>
2238 * recog.c (validate_replace_src_1): New.
2239 (validate_replace_src_data): Likewise.
2240 (validate_replace_src): Use note_uses.
2241 * rtl.h (note_uses): Declare.
2242 * rtlanal.c (note_uses): New.
2244 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2246 * reg-stack.c (stack_def): Make field reg unsigned.
2247 (remove_regno_note): Unsignetize parameter.
2249 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2251 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2252 shladd_operand() call.
2254 2001-02-16 Bruce Korb <bkorb@gnu.org>
2255 Rodney Brown <RodneyBrown@mynd.com>
2257 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2258 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2259 machine restrictions
2260 * fixinc/fixincl.x: regen
2262 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2264 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2266 (hash_scan_insn): Clean up calls to hash_scan_set.
2267 (compute_kill_rd): REGNO now unsigned.
2268 (try_replace_reg): Rework to use simplify_replace_rtx.
2269 (cprop_jump, cprop_cc0_jump): Likewise.
2270 (cprop_insn): Call find_reg_equal_equiv_note.
2271 Reflect changes to cprop_jump and cprop_cc0_jump.
2273 * recog.c (validate_replace_src): Replace in operands of
2274 ZERO_EXTRACT in SET_DEST.
2276 * cse.c (new_label_ref): New variable.
2277 (insert): Set it instead of recorded_label_ref.
2278 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2279 CODE_LABEL for this function, and not already in REG_LABEL note.
2281 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2283 * resource.c (mark_referenced_resources): Fix typo in introductory
2285 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2288 2001-02-16 Jason Merrill <jason@redhat.com>
2290 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2292 (gen_subprogram_die): Don't abort on seeing a second definition if
2293 the previous one was abstract. Don't replace an abstract instance
2294 in the lookup table.
2296 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2297 gen_abstract_function.
2298 * dwarf2out.h: Declare it.
2299 * toplev.c (note_outlining_of_inline_function): New fn.
2300 * toplev.h: Declare it.
2301 * integrate.c (output_inline_function): Call it.
2302 * c-decl.c (duplicate_decls): Call it when redefining an extern
2303 inline. Don't inline the new defn.
2305 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2307 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2309 * .gdbinit: Rename to gdbinit.in.
2310 * gdbinit.in: New file,
2311 * configure.in: Generate .gdbinit from gdbinit.in.
2312 * configure: Regenerated.
2313 * Makefile.in (distclean): Always remove .gdbinit.
2315 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2317 * objc/objc-act.c (start_class): Register implemented_classes with
2320 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2322 * cppfiles.c (_cpp_make_system_header): Generate a file
2325 2001-02-15 Jim Meyering <meyering@lucent.com>
2327 * Makefile.in (install-common): Don't depend on installdirs here.
2328 Instead, make each of the lang.install-common targets (e.g.,
2329 c++.install-common in cp/Make-lang.in) depend on it.
2330 (install-driver): Depend on installdirs.
2332 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2334 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2336 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2339 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2341 * invoke.texi (--param): Document.
2343 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2345 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2347 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2349 * i386.md (extendsfdf2_2): Fix constraints.
2351 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2353 * i386.md (fop_df_3 splitter): Fix operand number.
2355 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2357 * invoke.texi (-mreg-alloc): Nuke.
2358 * i386.c (ix86_reg_alloc_order, regs_allocated,
2359 order_regs_for_local_alloc): Nuke.
2360 (override_options): Kill reg_alloc code.
2361 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2362 (REG_ALLOC_ORDER): SSE goes before I387.
2363 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2364 (ix86_reg_alloc_order): Likewise.
2365 * i386-protos.h (ix86_reg_alloc_order): Kill.
2367 2001-02-14 Richard Henderson <rth@redhat.com>
2369 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2371 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2373 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2375 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2377 * i386-protos.h (ix86_memory_move_cost): Move offline.
2378 * i386.c (ix86_register_move_cost): Compute properly cost of
2379 SSE, MMX and i387 instructions.
2380 (*_cost): Add costs of SSE/MMX moves.
2381 (ix86_memory_move_cost): Move offline from ....; Likewise.
2382 * i386.h (MEMORY_MOVE_COST): .... here;
2383 (struct processor costs): Add new fields to represent costs
2386 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2388 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2389 move_cost together with Matt Kraai's fix.
2391 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2393 * Makefile.in (OBJS): Add params.o.
2395 2001-02-14 Richard Henderson <rth@redhat.com>
2396 DJ Delorie <dj@redhat.com>
2398 * jump.c (jump_optimize_1): When we delete a conditional jump
2399 preceeding a non-conditional jump to effectively the same place,
2400 make sure that the combined jump skips any clobber insns between
2403 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2405 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2407 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2409 * Makefile.in (toplev.o): Depend on params.h.
2410 (intergate.o): Likewise.
2411 (params.o): New target.
2412 * flags.h (inline_max_insns): Remove.
2413 * integrate.c: Include params.h.
2414 Use MAX_INLINE_INSNS instead of inline_max_insns.
2415 * params.c: New file.
2416 * params.h: Likewise.
2417 * params.def: Likewise.
2418 * toplev.c: Include params.h.
2419 (lang_independent_params): New variable.
2420 (decode_f_option): Use the param machinery instead of setting
2422 (independent_decode_option): Handle "--param name=value".
2423 (main): Register language-independent parameters.
2425 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2427 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2429 2001-02-14 Richard Henderson <rth@redhat.com>
2431 * regclass.c (init_reg_sets_1): Revert last two changes.
2433 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2435 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2436 (variable_size): Call put_pending_size.
2437 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2438 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2439 sizes list, put newly created SAVE_EXPR there as well.
2441 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2443 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2444 (errata_find_address_regs): load_group has only 2 entries.
2445 (errata_emit_nops): Likewise. shladd is not problematic.
2446 Clear last_group if nop was emitted.
2447 (fixup_errata): load_group has only 2 entries.
2450 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2452 * c-lex.c (lex_number): Only warn traditionally for U suffix
2453 outside system macros.
2454 * cppexp.c (parse_number): Similarly.
2455 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2456 * cppmacro.c (struct cpp_macro): New member node.
2457 (parse_args): Only warn about missing rest args if not
2459 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2460 (cpp_sys_objmacro_p): New.
2461 (_cpp_create_definition): Store the node with the macro defn.
2462 Remember if the macro is defined in a system header.
2464 2001-02-13 DJ Delorie <dj@redhat.com>
2466 * configure.in (check_languages): determine languages to check
2467 * Makefile.in (check-c++): alias for check-g++
2468 (check-f77): alias for check-g77
2469 (CHECK_TARGETS): depend on configured languages
2471 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2473 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2474 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2475 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2476 (sqrtextendsfdf2): Disable for SSE2.
2478 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2480 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2481 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2482 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2483 (sqrtextendsfdf2): Disable for SSE2.
2485 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2487 * i386.md (movsfcc_1): Support integer cmove instruction.
2488 (movdfcc_1): Likewise; new splitter.
2490 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2492 * i386.c (output_fp_compare): Support SSE.
2493 (prepare_fp_compare_args): SSE comparisons always support memory.
2494 * i386.h (TARGET_CMOVE): SSE imply cmove.
2495 * i386.md (cmp?f2): Enable for SSE too.
2496 (cmpfp_i*): Support SSE.
2498 (cmpfp_i_sse_only): New.
2499 (s*, b* fp expanters): Enable for SSE too.
2500 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2503 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2505 * regclass.c (init_reg_sets_1): Silence warning.
2507 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2509 * i386.md (sqrt?f2): Change to expander.
2510 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2512 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2514 * rtlanal.c (find_reg_equal_equiv_note): New function.
2515 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2516 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2517 * rtl.h: Add declarations for above functions.
2519 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2521 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2523 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2524 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2525 * flow.c (mark_regs_live_at_end): Likewise.
2526 (calculate_global_regs_live): Likewise.
2527 * gcse.c (compute_hash_table): Likewise.
2528 (compute_kill_rd): Likewise.
2529 * resource.c (mark_target_live_regs): Likewise.
2530 * rtl.h (INVALID_REGNUM): New macro.
2532 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2534 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2536 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2538 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2541 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2543 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2545 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2546 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2547 (fop_sf_1_sse, fop_df_1_sse): New patterns
2548 (fop_*): Disable float_extend and float patterns for SSE compilation.
2549 * i386.c (output_387_binary_op): Support SSE.
2551 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2553 * i386.md (dummy_extendsfdf2): Support SSE2
2554 (extendsfdf2): Enable if 80387 or SSE2.
2555 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2556 and no MIX_I387_SSE2
2557 (extendsfdf2_1_sse_only): New pattern.
2558 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2560 (truncdfsf2_1): Support SSE.
2561 (truncdfsf2_2): Support SSE.
2562 (truncdfsf2_2_1_sse): New pattern.
2563 (fixtruncsfsi2): Always use SSE if available.
2564 (fix_truncsfsi_sse): New pattern.
2565 (fix_truncdfsi_sse): New pattern.
2566 (floatsis?f2): Support SSE.
2567 (floatsidf2_i387): New pattern.
2568 (floatsidf2_sse): Likewise.
2570 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2572 * configure.in: Use "have_gnat" variable, not "gnat".
2573 * configure: Regenerated.
2575 * config/sparc/sparc.c (function_value): Treat all non-record
2576 aggregate types like used to treat UNION_TYPE.
2578 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2580 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2581 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2583 (MASK_MIX_SSE_I387): New.
2584 (TARGET_SSE): SSE2 imply SSE.
2585 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2586 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2587 (enum reg_class): Add new classes.
2588 (REG_CLASS_NAMES): Likewise.
2589 (REG_CLASS_CONTENTS): Likewise.
2590 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2591 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2592 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2593 (CLASS_MAX_NREGS): Use new macros.
2594 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2595 * i386.md (pushsf, movsf): Support SSE.
2596 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2597 splitters to use ANY_FP_REGNO_P.
2598 (movdf_nointeger, movdf_integer): Likewise.
2600 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2602 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2603 (try_combine): Use it.
2605 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2607 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2608 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2609 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2610 (REGISTER_MOVE_COST): Likewise.
2611 * i386-protos.h (ix86_secondary_memory_needed,
2612 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2613 * i386.c (ix86_secondary_memory_needed,
2614 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2616 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2618 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2619 (HARD_REGNO_MODE_OK): Move offline to ....
2620 * i386.c (ix86_hard_regno_mode_ok) ... here;
2621 refuse all incorrect modes.
2622 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2624 2001-02-13 Richard Henderson <rth@redhat.com>
2626 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2627 entire operator; replicate that and match_dup the operands.
2628 (cmp_ccx_arith_op_set): Likewise.
2629 (cmp_cc_arith_op_not_set): Likewise.
2630 (cmp_ccx_arith_op_not_set): Likewise.
2632 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2634 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2636 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2638 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2639 (TARGET_NO_BITFIELD_WORD): New macro.
2640 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2641 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2643 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2645 * cselib.c: New file, from simplify-rtx.c.
2646 * simplify-rtx.c: Remove cselib parts.
2647 * Makefile.in: Add cselib.o.
2649 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2651 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2652 (setup_incoming_varargs): Remove warning.
2654 * config/rs6000/rs6000.c (validate_condition_mode): When
2655 flag_fast_math, allow floating-point conditionals to be reversed.
2656 (rs6000_generate_compare): When flag_fast_math, don't generate
2657 cror operations for FP conditionals.
2659 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2661 (ASM_SPEC): Likewise.
2662 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2663 (CC1_SPEC): Likewise.
2664 (LINK_TARGET_SPEC): Likewise.
2665 (CPP_ENDIAN_SPEC): Likewise.
2666 * Makefile.in (check-consistency): New target.
2668 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2670 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2671 "return type defaults" warning for functions with return type
2673 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2674 function declarations by default rather than only when pedantic.
2676 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2678 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2681 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2683 * extend.texi (Deprecated): Deprecate new initializer lists.
2685 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2687 * mkdeps.c (deps_add_default_target): Robustify. Add
2688 basename component only.
2689 * cpp.texi (-M): Describe how default target is generated.
2690 * invoke.texi (-M): Likewise.
2692 2001-02-12 Kazu Hirata <kazu@hxi.com>
2694 * toplev.c (push_float_handler): Remove.
2695 (pop_float_handler): Remove.
2696 * toplev.h: Remove prototypes for the above functions.
2698 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2700 * c-common.c (constant_fits_type_p): New function.
2701 (convert_and_check): Use it.
2703 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2705 * Makefile.in (GXX_ABI_FLAG): Don't define.
2706 * configure.in (--enable-new-gxx-abi): Remove option.
2707 * config.in: Regenerated.
2708 * configure: Likewise.
2710 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2712 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2714 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2715 regular basic block, and arrange for all edges into it to switch
2718 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2720 * Makefile.in (distclean): Do not remove .gdbinit.
2722 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2724 * Makefile.in (gcc.o): Fix typos.
2725 (protize.o): Likewise.
2726 (unprotoize.o): Likewise.
2728 2001-02-11 Richard Henderson <rth@redhat.com>
2730 * tree.c (build1): Check for null operand in last change.
2732 2001-02-11 Richard Henderson <rth@redhat.com>
2734 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2735 (fold): Don't assume a constant isn't foldable.
2736 * tree.c (build): Set TREE_CONSTANT for an expression with no
2737 side-effects and constant operands.
2740 2001-02-10 Richard Henderson <rth@redhat.com>
2742 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2744 2001-02-10 Anthony Green <green@redhat.com>
2746 * cpp.texi (Standard Predefined): Add documentation for
2749 * c-common.c (combine_strings): Improve warning message.
2751 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2753 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2755 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2757 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2759 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2762 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2764 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2767 2001-02-09 Nick Clifton <nickc@redhat.com>
2769 * config/arm/arm.md: Change output contraint on post inc
2770 load/store multiple patterns to be a read/write contraint.
2772 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2774 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2775 .o files when using the -M options.
2777 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2778 David Edelsohn <edelsohn@gnu.org>
2780 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2781 handle DImode constants. Use one TOC entry for SImode and smaller
2782 constants, aligned properly.
2784 2001-02-08 Jason Merrill <jason@redhat.com>
2786 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2787 about the SP adjustment for saving the static chain pointer.
2788 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2789 offset when setting a temporary CFA register.
2791 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2793 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2794 powerpc-*-chorusos* .
2795 * config/rs6000/chorus.h : New file.
2796 * config/i386/chorus.h : New file.
2797 * config/sparc/chorus.h : New file.
2798 * config/sparc/t-chorus-elf : New file.
2800 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2802 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2803 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2804 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2805 (__WCHAR_TYPE__): Correct macro name.
2807 2001-02-08 Richard Henderson <rth@redhat.com>
2809 * config/i386/i386.c (ix86_frame_pointer_required): New.
2810 (ix86_setup_frame_addresses): New.
2811 (struct machine_funciton): Add accesses_prev_frame.
2812 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2813 ix86_frame_pointer_required.
2814 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2815 (SETUP_FRAME_ADDRESSES): New.
2816 * config/i386/i386-protos.h: Update.
2817 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2818 from FRAME_POINTER_REQUIRED.
2819 * config/i386/svr3gas.h: Likewise.
2820 * config/i386/sysv3.h: Likewise.
2821 * config/i386/v3gas.h: Likewise.
2823 2001-02-08 Richard Henderson <rth@redhat.com>
2825 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2826 calculation of the number of integer registers required.
2827 (function_arg_record_value): Likewise.
2829 2001-02-08 Jason Merrill <jason@redhat.com>
2831 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2832 two. Print file and line with "confused" message.
2834 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2836 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2838 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2840 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2842 * final.c (cleanup_subreg_operands): The address of a MEM can
2845 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2848 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2850 * gcc.texi (Incompatibilities): Update documentation of
2851 preprocessing numbers.
2853 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2855 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2857 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2859 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2861 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2862 * gcc.c (struct compiler): Add cpp_spec field.
2863 (input_file_compiler): New variable.
2864 (do_spec_1): Allow a particular compiler to handle `%C'
2866 (main): Store the current compiler in input_file_compiler.
2867 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2869 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2871 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2872 * cppinit.c (cpp_create_reader): Initialize them.
2873 (append_include_chain): cxx_aware arg might be unused.
2874 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2875 keywords and give them their phase 7 meaning. Pedwarn about
2876 this unless '__bool_true_false_are_defined' is defined.
2878 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2880 * lcm.c (optimize_mode_switching): Emit mode_set before the
2881 JUMP_INSN of an abnormal edge.
2883 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2885 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2886 a scheduling barrier at the end.
2888 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2890 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2892 * config/sh/sh.md (reload_outsf): Removed.
2893 (movsf_ie): Introduce constraints for FPUL loads and stores.
2894 (reload_insf): Broaden the output constraint.
2896 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2898 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2899 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2901 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2903 * final.c: Revert my previous changes.
2904 * output.h: Make profile_label_no extern.
2905 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2906 for generating label.
2908 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2910 * config/i386/djgpp.h: Add comments about standard paths.
2911 (MD_EXEC_PREFIX): Undefine before defining.
2912 (MD_STARTFILE_PREFIX): New.
2914 2001-01-30 Bruce Korb <bkorb@gnu.org>
2916 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2917 (load_file): do not rely on load_file_data() to close file pointer
2918 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2919 fixinc/inclhack.def(irix_limits_const): add test_text
2921 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2923 * cppexp.c (parse_defined): Improve diagnostics for invalid
2926 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2928 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2930 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2932 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2933 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2934 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2935 (rs6000_output_symbol_ref): New function.
2936 (output_toc): Use VTABLE_NAME_P.
2938 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2940 * print-tree.c (print_node, case PARM_DECL):
2941 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2943 * stor-layout.c (reference_types_internal): New variable.
2944 (internal_reference_types): New function.
2945 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2946 * tree.h (internal_reference_types): New declaration.
2948 * cse.c (find_best_addr): Fix typo in computing cost.
2950 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2952 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2953 and this is the sum of a pointer and a constant, we know the result
2955 (num_sign_bit_copies, case PLUS): Likewise.
2956 * explow.c (convert_memory_address): Remove opposite SUBREG.
2957 * function.c (instantiate_new_reg): New function (from common code).
2958 (instantiate_virtual_regs_1): Call it.
2959 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2960 if pointers sign- or zero-extend.
2961 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2962 If pointers extend unsigned, use inside of SUBREG.
2963 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2965 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2967 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2968 subdir of gcc_gxx_include_dir.
2969 (gcc_gxx_target_include_dir): Remove.
2971 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2973 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2974 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2975 a high-level description.
2977 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2979 * final.c: Move the declaration of profile_label_no to ...
2980 * output.h: ... here.
2981 * function.c (expand_function_start): Call PROFILE_HOOK.
2982 * config/rs6000/aix.h: Define PROFILE_HOOK.
2983 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2984 * config/rs6000/rs6000.c (output_profile_hook): Define.
2985 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2986 output_profile_hook.
2987 tm.texi : Explain new macro PROFILE_HOOK.
2989 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2991 * extend.texi (Extended Asm): Do not say that semicolon is always
2992 a valid line-breaking character for GNU assemblers. Use
2993 newline-tab as the most commonly supported syntax. Use
2994 newline-tab rather than semicolon in multi-insn examples.
2996 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2998 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3000 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3001 David Edelsohn <edelsohn@gnu.org>
3003 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3004 code for AIX, even without flag_pic.
3006 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3008 * c-typeck.c (common_type): push and pop binding level around
3009 calling common_type on function parameters.
3011 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3013 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3015 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3017 * config/mips/mips.c (override_options): Fix typo in last change.
3018 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3019 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3021 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3023 * invoke.texi (-fdump-class-layout): Document.
3024 (-fdump-translation-unit): Use `=' as filename separator.
3026 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3028 * Makefile.in (s-mlib): Don't build multilibs if
3030 (DRIVER_DEFINES): Adjust accordingly.
3032 (protoize.o): Likewise.
3033 (unprotoize.o): Likewise.
3034 * configure.in: Recognize --enable-multilib.
3036 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3038 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3040 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3041 * configure.in: Remove --enable-libstdcxx_v3 support.
3042 * configure: Regenerated.
3044 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3046 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3047 Call abort instead of fatal.
3048 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3049 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3050 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3051 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3052 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3053 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3055 * diagnostic.h (set_internal_error_function): Renamed.
3056 * toplev.h (internal_error): Renamed from fatal.
3057 (pfatal_with_name): Deleted.
3058 (fatal_io_error): Now has printf-style arguments.
3059 * diagnostic.c (pfatal_with_name): Deleted.
3060 (fatal_io_error): Rework to have args in printf-style.
3061 (set_internal_error_function): Renamed from set_fatal_function.
3062 (internal_error): Renamed from fatal.
3063 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3064 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3065 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3066 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3067 * flow.c (verify_flow_info): Likewise.
3068 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3069 * config/mips/mips.c (save_restore_insns): Likewise.
3071 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3072 * flow.c (verify_flow_info): Likewise.
3073 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3074 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3075 (avr_normalize_condition): Likewise.
3076 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3077 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3078 (limit_reload_class, double_reg_to_memory): Likewise.
3079 (print_operand_address, emit_1600_code_shift): Likewise.
3080 (gen_tst_reg, gen_compare_reg): Likewise.
3081 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3082 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3084 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3086 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3087 * objc/objc-act.c (build_ivar_chain): Likewise.
3088 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3090 * graph.c (clean_graph_dump_file): Likewise.
3091 * profile.c (init_branch_prob): Likewise.
3092 * objc/objc-act.c (objc_init): Likewise.
3094 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3095 * config/avr/avr.c (avr_override_options): Likewise.
3096 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3097 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3098 * config/h8300/h8300.c (h8300_init_once): Likewise.
3099 * config/mips/mips.c (override_options): Likewise.
3100 * config/i386/i386.c (override_options): Likewise, rework.
3101 * config/m68k/m68k.c (override_options): Likewise.
3103 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3105 * config/mips/mips.c (print_operand): Likewise.
3106 * hash.c (hash_allocate): Don't check for failure returns from
3107 obstack functions that can't fail.
3108 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3109 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3110 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3111 (get_object_reference): Likewise.
3113 2001-02-04 Nick Clifton <nickc@redhat.com>
3115 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3116 StrongARM1110, 10TDMI, and 1020T.
3118 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3120 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3122 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3124 * config/sh/sh.md (movdf load split): Pass register number to
3125 FP_OR_XD_REGISTER_P.
3127 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3129 * cppinit.c (BC): New macro.
3130 (builtin_array): Add __GXX_WEAK__.
3131 * cpplib.h (builtin_type): Add BT_WEAK.
3132 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3133 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3134 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3136 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3138 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3140 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3142 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3143 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3145 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3147 * cpphash.h: Rename ALIGN _ALIGN.
3148 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3150 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3152 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3153 compilation environment.
3154 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3155 control over location of cygwin includes and libs.
3157 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3159 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3161 2001-02-02 lars brinkhoff <lars@nocrew.org>
3163 * md.texi (Standard Names): remove reference to spur.md.
3165 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3167 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3168 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3169 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3170 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3171 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3173 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3175 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3176 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3177 number before reload.
3178 (c4x_adjust_cost): Return zero before reload.
3179 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3180 split before reload.
3182 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3184 * c4x.c (c4x_hard_regno_rename_ok): New.
3185 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3186 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3188 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3190 * diagnostic.h: Add missing "extern" in all declarations.
3192 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3194 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3195 as for gcc_gxx_include_dir.
3197 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3199 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3201 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3203 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3204 label before alignment to be used as the braf base address.
3205 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3207 (casesi_jump_2): Require at least TARGET_SH2.
3209 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3210 truncation to 32-bit doubles on -m3e and -m4-single-only.
3212 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3214 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3215 the default when building a shared object.
3216 (init_spec): Use it.
3217 * testsuite/lib/g++.exp: Include the directory where libgcc
3218 is located to the LD_LIBRARY_PATH list.
3219 * invoke.texi (-shared-libgcc): Document the cases in which
3220 GCC defaults to using the shared libgcc.
3222 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3224 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3225 unsigned is wide enough.
3227 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3228 (si_to_float): Likewise.
3229 (float_to_si, float_to_usi): Use BITS_PER_SI.
3231 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3233 * dwarf2out.c: Added explanation of abbreviations.
3234 (def_cfa_1): Added comments listing DWARF2 instructions.
3235 (cfa_temp_reg): Removed in favor of cfa_temp.
3236 (cfa_temp_value): Removed in favor of cfa_temp.
3237 (cfa_temp): New global variable.
3238 (dwarf2out_frame_debug_expr): Added extensive introductory
3239 comments explaining the function's transformations. Revised to
3240 use cfa_temp. Added some rtx checking. Generalize IOR case.
3241 (dwarf2out_frame_debug): Revised to use cfa_temp.
3242 (output_aranges): Cast as "unsigned" to avoid warning.
3243 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3244 explain which instructions must be marked.
3246 2001-02-01 Richard Henderson <rth@redhat.com>
3248 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3251 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3253 * config/sh/crt1.asm (main_k): Modified so that start calls
3254 ___setup_argv_and_call_main.
3256 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3258 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3259 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3260 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3261 * cppmacro.c (builtin_macro): Set builtin flags here.
3262 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3263 (replace_args): Clarify intent.
3264 (cpp_get_token): Macro expansion tokens get the saved flags.
3266 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3269 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3271 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3274 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3276 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3277 returns Pmode pseudo, but we need ptr_mode.
3278 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3279 Remove bogus conversions; use HOST_WIDE_INT for size.
3280 Don't use TARGET if wrong mode.
3282 * config/i386/i386.c (ix86_compute_frame_size): Allow
3283 stack_alignment_needed to be non-default even if size is zero.
3285 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3287 * (hppa_init_pic_save): Emit the pic offset table
3288 reg save after last_parm_insn.
3289 * pa.c (hppa_init_pic_save): New function.
3290 * pa.h (hppa_init_pic_save): Declare.
3291 * pa.md (call, call_value, sibcall, sibcall_value): Use
3292 the above instead of duplicated code.
3294 * pa.c (hppa_encode_label): Correct size of alloca buffer
3295 so we don't overrun it. Correct leading `*' case.
3296 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3297 need to handle `*@'.
3298 (FUNCTION_NAME_P): Likewise.
3300 2001-01-31 Richard Henderson <rth@redhat.com>
3302 * config.gcc (alpha-osf5): Use float-i128.h.
3304 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3305 * config/float-i32.h: Likewise.
3306 * config/float-i64.h: Likewise.
3307 * config/float-sh.h: Likewise.
3308 * config/float-sparc.h: Likewise.
3310 2001-01-31 DJ Delorie <dj@redhat.com>
3312 * expmed.c (extract_bit_field): allow non-integral modes if we
3313 want to extract a whole register from itself.
3315 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3317 * c-typeck.c (set_init_index): If first is equal to last, assume as
3318 if it was not a range at all.
3320 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3322 * config/fp-bit.c: Include tm.h.
3323 (float_to_si): Don't assume SImode is 32-bits wide.
3324 (float_to_usi): Likewise.
3326 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3328 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3330 (typename): Call pending_xref_error after parsing typed_typespecs.
3331 * c-decl.c (lookup_tag): Give error immediately rather than
3332 leaving it pending if the tag of the wrong type is in the same
3334 (xref_tag): Don't pedwarn for forward declarations of enum types
3336 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3339 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3341 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3343 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3345 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3346 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3348 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3350 * cpphash.h (struct cpp_reader): New saved_flags.
3351 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3352 to avoid a paste after a pasted token.
3354 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3356 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3357 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3358 Wtype_MIN instead of LONG_MIN.
3360 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3362 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3364 * fixinc/fixincl.x: Regenerated.
3365 * fixinc/inclhack.def (irix_limits_const): New definition to
3366 convert "const" to "__const" in limits.h.
3368 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3370 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3372 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3374 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3375 when register dies in the insn.
3377 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3379 * diagnostic.c (fatal): Fix word wrap.
3381 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3383 * combine.c (try_combine): Fix SUBREG setting for
3384 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3386 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3388 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3391 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3393 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3395 * toplev.c (decode_W_option): Update warn_larger_than
3396 unconditionally for each processed switch.
3398 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3400 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3402 (hppa_expand_prologue): Delete code to save pic offset table register
3403 in the function prologue.
3404 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3405 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3406 table register at the beginning of the function after the prologue.
3408 2001-01-29 lars brinkhoff <lars@nocrew.org>
3410 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3412 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3413 Jeff Law <law@redhat.com>
3415 * pa.md (return): Revise comment for trivial return.
3416 (return_internal): Non-trivial return pattern for non-PIC code.
3417 (return_internal_pic): Non-trivial return pattern for PIC code.
3418 It uses the PIC register to ensure it is restored after
3420 (epilogue): Generate appropriate return for PIC and non-PIC code.
3422 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3424 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3426 2001-01-29 DJ Delorie <dj@redhat.com>
3428 * combine.c (if_then_else_cond): Pass the correct mode to
3429 operand_subword() for constants.
3431 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3433 * config/i386/cygwin.h: Add w32api to include search. Search different
3434 directories in a cross-build environment.
3436 2001-11-29 Tim Josling <tej@melbpc.org.au>
3438 * tree.h (TYPE_STUB_DECL): Add documentation.
3440 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3442 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3443 (sdbout_field_types): Likwise. Fix use of host_integerp.
3445 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3447 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3450 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3452 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3453 to use flag_gnu_linker.
3455 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3457 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3458 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3460 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3462 * tree.c, tree.h (build_parse_node): Remove; was identical to
3464 * c-lang.c (start_cdtor), objc/objc-act.c
3465 (build_module_descriptor): Use build_nt instead of
3468 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3470 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3471 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3472 not have any upper bits set.
3474 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3476 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3478 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3480 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3482 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3484 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3485 (integer_minus_one_node): Define.
3487 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3489 * Makefile.in (bootstrap2-lean): Fix typo.
3491 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3493 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3494 : Don't set fe_value.
3495 * cpplib.h (AVOID_LPASTE): New flag.
3496 (struct cpp_hashnode): Remove fe_value.
3497 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3498 * cppmacro.c (builtin_macro): Don't set flags here.
3499 (replace_args): Set AVOID_LPASTE flag on first token of an
3500 argument, and the token following it.
3501 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3502 macro expansion, and on the token following it. Do it for
3504 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3506 2001-01-27 Richard Henderson <rth@redhat.com>
3508 * config/alpha/t-ieee: Remove multilibbing.
3509 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3511 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3513 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3515 * Makefile.in: Remove all dependencies on defaults.h.
3516 * builtins.c: Don't include defaults.h.
3517 * c-common.c: Likewise.
3518 * c-decl.c: Likewise.
3519 * c-pragma.c: Likewise.
3520 * c-typeck.c: Likewise.
3521 * combine.c: Likewise.
3523 * frame-ia64.c: Likewise.
3524 * cppexp.c: Likewise.
3525 * crtstuff.c: Likewise.
3526 * dbxout.c: Likewise.
3527 * dwarf2out.c: Likewise.
3528 * dwarfout.c: Likewise.
3529 * emit-rtl.c: Likewise.
3530 * except.c: Likewise.
3532 * final.c: Likewise.
3533 * frame-dwarf2.c: Likewise.
3534 * libgcc2.c: Likewise.
3535 * optabs.c: Likewise.
3536 * profile.c: Likewise.
3537 * sdbout.c: Likewise.
3538 * toplev.c: Likewise.
3539 * tradcif.y: Likewise.
3541 * varasm.c: Likewise.
3543 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3545 * builtins.c (expand_builtin_fputs): Use size_one_node when
3546 transforming into fwrite.
3548 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3550 * extend.texi (Attribute Syntax): New section.
3552 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3554 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3555 they didn't need fixing.
3557 2001-01-27 Janis Johnson <janis@us.ibm.com>
3559 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3561 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3562 to remove macro definitions that are duplicated from elfos.h.
3564 2001-01-27 Richard Henderson <rth@redhat.com>
3566 * config/i386/sco5gas.h: Move ...
3567 * config/usegas.h: ... here.
3568 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3570 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3572 * c-typeck.c (struct constructor_stack): Add range_stack member.
3573 (really_start_incremental_init): Clear it.
3574 (push_init_level): Save constructor_range_stack and clear it if
3575 pushing explicit braces.
3576 (pop_init_level): abort if constructor_range_stack is non-zero at
3577 explicit closing brace. Restore saved constructor_range_stack if
3580 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3582 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3583 into register was forced into memory.
3585 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3587 * Makefile.in: Remove uses of + before $(MAKE).
3589 2001-01-26 Richard Henderson <rth@redhat.com>
3591 * stmt.c (cost_table): Remove.
3592 (COST_TABLE, cost_table_initialized): New.
3593 (estimate_case_costs): Use the later instead of the former.
3594 (balance_case_nodes): Likewise.
3596 2001-01-26 Richard Henderson <rth@redhat.com>
3598 * alias.c (objects_must_conflict_p): Read-only slots may not
3599 conflict despite having the same type.
3601 2001-01-27 Michael Hayes <mhayes@redhat.com>
3603 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3605 (check_ext_dependant_givs): Initialise u_start_val and
3607 (load_mems): Make last_max_reg unsigned.
3608 (try_swap_copy_prop): Use INSN_P and initialise set.
3610 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3612 * README.AVR : Removed.
3614 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3616 * pa-64.h (text_section): Remove declaration.
3618 * pa.md (return_internal): Remove mode on PIC register use.
3620 2001-01-25 lars brinkhoff <lars@nocrew.org>
3622 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3623 ASM_CLOSE_PAREN): fix typos.
3625 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3627 * acconfig.h: Define `const' to the empty string if neither
3628 __STDC__ nor __cplusplus is defined.
3629 * config.in: Regenerated.
3631 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3633 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3634 * collect2.c (main): Delete importf. Add ".obj" file extension.
3635 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3636 (aix_std_libs): Add additional AIX libraries to skip.
3637 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3638 * config/rs6000/aix51.h: New file.
3640 2001-01-25 Michael Hayes <mhayes@redhat.com>
3642 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3643 (loop_insn_emit_before): No longer static.
3644 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3645 (loop_givs_rescan, load_mems): Likewise.
3646 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3647 (maybe_eliminate_biv_1):
3648 (move_movables): Replace emit_call_insn_before with
3649 loop_call_insn_hoist.
3650 * loop.h (loop_insn_emit_before): Add.
3651 * unroll.c (copy_loop_body): Replace emit_insn_before with
3652 loop_insn_emit_before.
3654 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3656 * diagnostic.c (fatal): Request preprocessed source.
3658 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3660 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3661 olddecl has argument types and newdecl has none, use the argument
3664 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3666 * dwarf2out.c (prefix_of): New function. Determine longest common
3667 prefix of the two arguments. The units are whole path components.
3668 (output_file_names): When adding a new directory find the one entry
3669 with the longest common prefix already in the list. Artificially
3670 generate entry if there is none for this prefix.
3671 Fix test to check whether the zeroth directory entry is used.
3673 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3675 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3676 Changed all callers. Take it into account when deciding if a
3677 previously loaded value matches.
3679 2001-01-24 Richard Henderson <rth@redhat.com>
3681 * reload.c (find_reloads_subreg_address): Fail the substitution
3682 if the resulting address is insufficiently aligned.
3684 2001-01-24 DJ Delorie <dj@redhat.com>
3686 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3687 check the original operand's mode also.
3688 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3690 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3692 * c-parse.in (cast_expr): Move compound literals from here ...
3693 (primary): ... to here. Use standard terminology "compound
3694 literal" instead of "constructor expression".
3696 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3698 * gcc.1, cpp.1: Regenerate.
3700 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3702 * calls.c (emit_library_call_value_1): Memory slot for
3703 pass-by-reference argument should have the mode of the argument,
3704 not of the pointer to it.
3706 2001-01-24 Tom Tromey <tromey@redhat.com>
3708 * gcc.texi (G++ and GCC): Mention gcj manual.
3709 (Standards): Link to section of manual mentioning gcj/Java
3712 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3714 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3715 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3716 * tradcpp.c (main): Add -imacros or -include'd dependencies
3718 * cpp.texi (-M, -MM): Document -M -include behaviour.
3720 2001-01-24 Roger Collins <roger@ProProject.com>
3722 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3724 2001-01-24 Will Cohen <wcohen@redhat.com>
3726 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3727 whether registers are 32 bits or 64 bits in size.
3729 2001-01-24 Ben Elliston <bje@redhat.com>
3731 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3733 2001-01-24 Richard Henderson <rth@redhat.com>
3735 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3736 (builtin_longjmp): Use it instead of emit_indirect_jump.
3738 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3740 * bb-reorder.c (make_reorder_chain_1): Handle case where
3741 jump edge goes to the same block as the fallthru edge.
3743 2001-01-23 Jim Wilson <wilson@redhat.com>
3745 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3746 * frame.h (__ia64_personality_v1): Add prototype.
3747 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3748 prototype form. Add void * cast to first argument to personality
3750 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3751 (asctoe113): Likewise.
3752 * config/ia64/frame-ia64.c: Include eh-common.h.
3753 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3755 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3757 (itanium_split_issue): Add prototype.
3758 (gen_nop_type): Ifdef out.
3759 (find_best_packet): Initialize best_packet.
3760 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3762 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3763 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3764 (flushrs): Add explicit stop bit at end.
3765 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3768 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3770 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3772 * libgcc2.c (__terminate_func): Make variable static.
3773 (__terminate_set_func): New function to set __terminate_func.
3774 * libgcc2.h (__terminate_func_ptr): New typedef.
3775 (__terminate_set_func): New function.
3777 2001-01-23 Richard Henderson <rth@redhat.com>
3779 * flow.c (init_propagate_block_info): Don't consider unchanging
3780 memories for dead frame store elimination.
3782 2001-01-23 Richard Henderson <rth@redhat.com>
3784 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3785 * defaults.h: ... here.
3787 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3789 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3791 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3793 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3795 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3797 * rs6000.h (rs6000_return_addr): Move prototype from here...
3798 * rs6000-protos.h (rs6000_return_addr): ...to here.
3799 (rs6000_init_expanders): Delete prototype.
3801 2001-01-23 Nick Clifton <nickc@redhat.com>
3803 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3804 (Spec Files): Document %B and %j and %. and %v3 and %M and
3805 %{S*&T} spec switches.
3807 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3809 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3811 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3812 Neil Booth <neil@daikokuya.demon.co.uk>
3814 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3815 Have -Werror make pedantic warnings errors, like the
3818 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3820 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3822 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3824 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3825 * integrate.c (expand_inline_function): Initialize them.
3826 (subst_constants): If changing COMPARE so that both its arguments
3827 will be VOIDmode and the comparison mode will be lost, note
3828 compare_mode. Use the recorded compare_mode to optimize
3831 2001-01-23 Jason Merrill <jason@redhat.com>
3833 * dwarf2out.c (new_die): Use xcalloc.
3834 (output_die): Abort rather than emit a local reference to offset 0.
3836 2001-01-17 Andrew Haley <aph@redhat.com>
3838 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3839 of a saved register; return NULL instead.
3840 (copy_reg): Take a pointer to a source register rather than a
3842 (next_stack_level): Remember the address in the stack frame of all
3844 Use the saved register pointer array as the source of the CFA.
3845 (throw_helper): Rewrite. Unwind once rather than twice and keep
3846 track of saved registers as we go.
3848 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3850 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3851 * c4x.c (c4x_legitimize_reload_address): Remove.
3852 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3853 reload address for ldp(k) insn.
3855 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3857 * pa.md (return_internal): Add a USE of the PIC register to ensure
3858 it is restored after each call.
3859 (return expander): Corresponding changes.
3861 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3863 * rs6000.h (INIT_EXPANDERS): Delete.
3864 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3865 * rs6000.c (rs6000_override_options): Call *_machine_status from
3867 (rs6000_init_expanders): ...instead of here. Delete.
3868 (rs6000_mark_machine_status): New function.
3869 (rs6000_init_machine_status): Use xcalloc.
3870 (rs6000_return_addr): Generate RTX for the return address.
3871 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3872 (rs6000_stack_info): Use it.
3874 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3876 * gthr-win32.h: Include errno.h to get a declaration for
3877 EINVAL and _mingw.h if the target is mingw32.
3879 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3881 * cpp.texi: Correct typos.
3883 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3885 * explow.c (probe_stack_range): Ensure value passed to
3886 stack_check_libfunc is ptr_mode, not Pmode.
3888 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3890 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3891 case, don't use operand_subword to calculate a SUBREG that is
3894 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3896 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3898 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3899 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3900 valid. If not replace it by equivalent insns.
3902 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3904 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3905 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3906 (c4x_U_constraint, symbolic_address_operand): Likewise.
3907 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3909 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3910 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3911 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3912 anulling slot because of silicon bug.
3913 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3915 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3917 * cppexp.c (parse_charconst): Change `mask' type to agree
3920 2001-01-21 Richard Henderson <rth@redhat.com>
3922 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3923 pic_label_name in a linkonce section.
3925 2001-01-17 Philipp Thomas <pthomas@suse.de>
3927 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3929 * configure: Regenerate.
3931 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3933 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3934 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3936 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3938 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3939 If REVERSE nonzero then condition code in X must be reversed.
3940 (encode_section_info): Optimise if/else.
3941 (avr_function_value): Fix formatting.
3943 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3944 (difficult_branch): Likewise.
3945 (rvbranch): Likewise.
3946 (difficult_rvbranch): Likewise.
3948 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3950 * config/avr/libgcc.S: Fix comment.
3952 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3954 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3956 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3958 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3960 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3962 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3963 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3964 * configure, config.in: Regenerate.
3965 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3966 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3967 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3968 (doprint.o): New rule.
3970 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3972 * c-typeck.c (digest_init): Handle boolean types as scalars.
3974 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3976 * stmt.c (expand_return): Don't return anything if size is zero.
3977 Delete redundant assignment to BYTES.
3978 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3980 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3982 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3983 the same as the default library function names.
3984 * config/avr/avr.md: Document special characters after '%'.
3985 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3986 knowing which of the call-used registers are really clobbered.
3987 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3988 New. Both quotient and remainder from one libgcc.S call.
3989 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3990 clobber as few registers as possible.
3991 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3993 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3995 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3996 context of the top of the stack.
3998 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4000 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4001 (fixup_var_refs_insns): ...here.
4003 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4005 * function.c (fixup_var_refs_insns): Break up into
4006 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4007 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4008 [loop over hash table entries].
4009 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4010 fixup_var_refs_insns_with_hash, to match above changes.
4012 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4014 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4015 (libgcc.a): Likewise.
4016 (stmp-multilib): Likewise.
4017 (STAGE2_FLAGS_TO_PASS): Likewise.
4019 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4021 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4022 temporary if no_new_pseudos.
4024 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4026 * cppinternals.texi: Update.
4028 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4030 * arm.c (arm_init_builtins): Re-enable builtins.
4032 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4034 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4035 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4036 element to be null, and always expect an EXPR_LIST.
4037 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4038 * sched-deps.c (sched_analyze_1): Likewise.
4039 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4041 * regclass.c (max_set_parallel): New variable.
4042 (reg_scan): Take it into account in computation of max_parallel.
4043 (reg_scan_mark_refs, case SET): Compute it.
4045 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4047 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4048 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4050 2001-01-19 Jason Merrill <jason@redhat.com>
4052 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4053 for the abstract instance of an inline function.
4055 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4056 J"orn Rennecke <amylaar@redhat.com>
4058 * reload1.c (move2add_note_store): Treat all registers directly or
4059 indirectly derived from a base register as members of the same set
4061 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4062 of base register into account.
4064 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4066 * alias.c (find_base_value): Recognize TRUNCATE.
4067 (record_set): In PLUS case, invalidate if other summand is also a
4070 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4072 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4073 entry to be EXPR_LIST.
4074 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4075 be an EXPR_LIST (but not null, which other code doesn't allow).
4076 (note_stores): Properly handle PARALLEL in SET.
4077 Recursively call for top-level PARALLEL.
4078 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4079 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4081 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4083 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4085 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4086 not pfile->skipping (== 0).
4088 2001-01-17 Nick Clifton <nickc@redhat.com>
4090 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4093 2001-01-17 Jim Wilson <wilson@redhat.com>
4095 * invoke.texi (IA-64 options): Improve.
4097 2001-01-17 Tom Tromey <tromey@redhat.com>
4099 * invoke.texi (Optimize Options): Use `{}' to around @samp
4102 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4104 * invoke.texi (-fno-guess-branch-probability): New option.
4106 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4108 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4109 case of making new double-word constant.
4110 Revert last change: instead just test i3_subst_into_i2.
4112 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4114 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4115 Use q constraints instead of r.
4117 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4119 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4120 (machine_function): Define.
4121 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4122 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4123 pa_free_machine_status): New functions.
4124 (override_options): Set {init,mark,free}_machine_status to above.
4125 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4126 PIC_OFFSET_TABLE_REGNUM_SAVED.
4127 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4128 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4129 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4130 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4131 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4133 2001-01-15 DJ Delorie <dj@redhat.com>
4135 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4139 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4141 * flow.c (propagate_on_insn): Make trying to delete a prologue
4142 or epilogue insn an ICE, not a warning. Allow doing this if
4143 the current function returns with stack pointer depressed.
4145 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4146 I3 having more than one SET.
4148 2001-01-16 Jim Wilson <wilson@redhat.com>
4150 * invoke.texi: Document IA-64 options.
4152 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4153 (fixup_errata): Delete TARGET_A_STEP use.
4154 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4155 (TARGET_SWITCHES): Delete -ma-step option.
4156 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4157 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4158 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4159 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4160 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4161 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4163 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4164 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4165 cmovsi_internal): Delete ! TARGET_A_STEP check.
4167 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4169 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4170 possibility to report bugs via postal mail. Change a URL and
4171 merge in a nearly duplicate statement...
4172 (Bug Reporting): ...from here.
4173 (Service): Refer to the Bug Reporting section instead of
4175 (Contributing): Remove trivial explanations concerning snapshots.
4177 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4179 * cppmain.c (general_init): Don't use ANSI prototype.
4181 2001-01-16 Tom Tromey <tromey@redhat.com>
4183 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4185 2001-01-16 Richard Henderson <rth@redhat.com>
4187 * config/i386/i386.h: Fix comment typo.
4188 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4189 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4191 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4193 * gcc.c: Revert previous -fsyntax-only-related change; move
4196 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4198 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4199 inmode after checking GET_CODE (op).
4201 2001-01-16 Richard Henderson <rth@redhat.com>
4203 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4204 (MAX_MEM_SET_LIST_LEN): New.
4205 (propagate_one_insn): Update mem_set_list_len.
4206 (invalidate_mems_from_autoinc): Likewise.
4207 (invalidate_mems_from_set): Likewise.
4208 (mark_used_regs): Likewise.
4209 (init_propagate_block_info): Likewise. Stop collecting memories
4210 when we reach MAX_MEM_SET_LIST_LEN.
4211 (mark_set_1): Likewise.
4213 2001-01-16 Richard Henderson <rth@redhat.com>
4215 * unroll.c (precondition_loop_p): Fail if no iteration
4218 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4220 * gcc.c: When -fsyntax-only is given, do not complain about
4223 2001-01-15 Richard Henderson <rth@redhat.com>
4225 * config/i386/i386.c (asm_output_function_prefix): Remove.
4226 (ix86_asm_file_end): New.
4227 (load_pic_register): Generate pic_label_name into a
4228 staticly allocated buffer.
4229 * config/i386/i386-protos.h: Update.
4230 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4231 (ASM_FILE_END): New.
4232 * config/i386/i386afe.h: New file.
4233 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4234 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4235 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4236 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4237 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4238 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4239 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4241 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4243 * Makefile.in (install-man): Remove explicit dependency on
4246 * configure.in, configure: Revert previous patch requiring perl
4249 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4251 * toplev.c (flag_guess_branch_prob): New.
4252 (f_options): Add guess-branch-probability option.
4253 (rest_of_decl_compilation): Only estimate branch probability if
4255 (main): set flag_guess_branch_prob.
4257 * flags.h (flag_guess_branch_prob): New.
4259 2001-01-15 DJ Delorie <dj@redhat.com>
4261 * gcc.texi (Makefile): Add documentation for Makefile targets.
4263 2001-01-15 Philip Blundell <philb@gnu.org>
4265 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4267 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4268 (is_pic): Delete declaration.
4269 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4270 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4271 * config/arm/arm.md (builtin_setjmp_receiver): New.
4273 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4275 * arm.c (use_return_insn): Don't try to determine the function type
4276 until after reload has completed.
4277 (arm_output_epilogue): Don't adjust the sp value recovered from the
4279 (emit_multi_reg_push): Don't record dwarf information for the pc.
4280 * arm.md (eh_epilogue): The function type may have changed, so it
4281 needs to be recalculated.
4282 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4283 unwind tables on arm/netbsd.
4285 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4287 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4288 (negated_cbranchsi4): Likewise.
4290 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4292 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4293 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4294 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4295 pass -mapcs-* options to assembler.
4296 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4297 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4298 (ASM_SPEC): Call subtarget_extra_asm_spec.
4300 2001-01-15 Andreas Jaeger <aj@suse.de>
4302 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4304 (ix86_expand_builtin): Likewise.
4306 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4307 warning about comparison between signed and unsigned.
4309 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4311 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4313 2001-01-14 Ralf Baechle <ralf@gnu.org>
4315 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4316 SUBTARGET_CPP_SPEC apropriatly.
4318 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4320 * varasm.c (make_decl_rtl): Fix typo in last change.
4322 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4324 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4325 linker supports the init_priority C++ attribute.
4326 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4327 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4328 linker does not support init_priority C++ attribute.
4330 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4332 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4334 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4336 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4337 * cp/lex.c (finish_parse): Similarly.
4338 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4339 Return the number of errors encountered.
4340 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4341 * cppmain.c (main): Don't call cpp_destroy.
4343 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4345 * configure.in: Require at least perl 5.6.0 to regenerate
4347 * configure: Regenerate.
4349 2001-01-14 Richard Henderson <rth@redhat.com>
4351 * genrecog.c (DT_veclen_ge): New.
4352 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4353 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4354 (nodes_identical_1): Handle DT_veclen_ge.
4355 (write_cond, debug_decision_2): Likewise.
4357 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4359 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4361 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4363 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4365 * cppmain.c (do_preprocessing): New function; most of the old
4367 (main): Call it to do most of the work.
4368 (cb): Move from global scope to set_callbacks ().
4369 (setup_callbacks): Get the callback pointer.
4370 (general_init, printer_init): Clean up code and comments.
4372 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4374 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4377 2001-01-14 Kazu Hirata <kazu@hxi.com>
4379 * config/h8300/h8300.c (get_shift_alg): Update comments.
4381 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4383 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4384 (alloc_page, ggc_alloc): Add casts to remove warnings.
4386 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4388 * combine.c (simplify_comparison): Don't change `code' when
4389 can't reverse comparison.
4391 2001-01-14 Richard Henderson <rth@redhat.com>
4393 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4394 update all call sites. Return true for all non-label constants.
4396 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4398 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4400 (ix86_expand_branch): Update.
4401 (ix86_expand_setcc): Update to handle multiple test conditions.
4402 (expand_int_movcc): Likewise.
4403 (expand_fp_movcc): Likewise.
4404 * i386-protos.h (ix86_expand_compare): New.
4405 * i386.md (andqi_?_slp, orqi_?_slp): New.
4406 (conditional trap expander): Update call to ix86_expand_compare.
4408 2001-01-14 Richard Henderson <rth@redhat.com>
4410 * config/vax/vax.md: Use nonimmediate_operand instead of
4411 general_operand in destinations.
4413 * config/vax/vax.md (indirect_jump): Use register_operand.
4415 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4416 * config/vax/vax.md (call_pop): Turn into an expander.
4417 (call_value_pop): Likewise.
4418 (call, call_value): New.
4420 2001-01-14 Andreas Jaeger <aj@suse.de>
4422 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4424 (ix86_fp_compare_mode): Add unused attribute.
4425 (ix86_expand_fp_movcc): Remove unused variable.
4426 (ix86_expand_builtin): Make fcode unsigned.
4428 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4429 (expand_expr): Add cast to avoid signed warning.
4430 (store_field): Likewise.
4431 (store_constructor_field): Likewise.
4432 (store_constructor): Likewise.
4433 (store_expr): Likewise.
4434 (clear_storage): Likewise.
4435 (emit_group_store): Likewise.
4436 (emit_group_load): Likewise.
4438 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4440 * c-common.c: Move format checking code to ...
4441 * c-format.c: ... here. New file. Reorder some functions and
4443 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4445 * c-common.h (decl_handle_format_attribute,
4446 decl_handle_format_arg_attribute): Declare.
4447 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4448 (c-common.o): Adjust dependencies.
4449 (c-format.o): New list of dependencies.
4451 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4453 * unroll.c (loop_iterations): If we cannot prove iteration variable
4454 is set once in each iteration, punt.
4456 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4458 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4459 (*strlenhi): Remove clobber (which was buggy) of output address.
4461 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4463 * Makefile.in (generated-manpages): Add gcc.1
4464 ($(srcdir)/gcc.1): New target.
4465 (maintainer-clean): Delete $(srcdir)/gcc.1.
4466 * gcc.texi: Add macros @gccoptlist and @gol.
4467 * invoke.texi: Include option summary in manpage. Mark up option
4468 summary with @gccoptlist and @gol. Use @r in one place where
4470 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4471 * gcc.1: Generate from invoke.texi.
4473 2001-01-13 Richard Henderson <rth@redhat.com>
4475 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4476 (struct page_entry): Add group member.
4477 (struct page_group): New.
4478 (struct globals): Add page_groups member.
4479 (alloc_anon): Only define for using mmap; remove valloc call.
4480 (page_group_index): New.
4481 (set_page_group_in_use): New.
4482 (clear_page_group_in_use): New.
4483 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4484 (free_page, release_pages): Likewise.
4485 * configure.in (with-gc): Default to ggc-page always.
4487 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4489 * reload1.c (replace_pseudos_in_call_usage): Use
4490 reg_equiv_constant and reg_equiv_address, and don't try
4491 regno_reg_rtx first.
4493 2001-01-13 Richard Henderson <rth@redhat.com>
4495 * ggc-page.c (alloc_page): Round up allocation size to one page.
4496 Set e->order on extra pages.
4498 2001-01-13 Richard Henderson <rth@redhat.com>
4500 * genrecog.c (nodes_identical): Expand commentary.
4501 (write_switch): Watch out for identical nodes.
4503 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4505 * cppfiles.c (_cpp_fake_include): New function.
4506 * cpphash.h (_cpp_fake_include): New.
4507 * cpplib.c (do_line): Call _cpp_fake_include when entering
4508 header files in preprocessed input.
4509 * cppmain.c (cb_pragma_implementation): Remove handling.
4510 (setup_callbacks): Don't register pragmas.
4512 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4514 * extend.texi: Udate for CPP.
4516 2001-01-13 Andreas Jaeger <aj@suse.de>
4518 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4520 * regmove.c: Add prototype for replace_in_call_usage.
4522 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4524 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4525 struct cpp_chunk, struct htab, struct toklist,
4526 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4527 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4528 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4529 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4530 (struct macro_args): Delete.
4531 * cpphash.h: See above.
4533 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4535 * cppmain.c (struct printer): Remove no_line_dirs.
4537 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4538 : Use options rather than CPP_OPTION.
4539 (setup_callbacks): Use cb rather than pfile->cb.
4540 (main): No need to check for a buffer. Use cpp_errors.
4541 (printer_init): Don't set no_line_dirs.
4542 (maybe_print_line): Use options not no_line_dirs.
4543 (cb_file_change): Don't call print_line if -P.
4545 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4547 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4549 * c-parse.in (finish_parse): Use cpp_errors.
4550 (__yylex): Use return value of cpp_pop_buffer.
4551 * cp/lex.c (finish_parse): Use cpp_errors.
4552 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4554 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4556 * README.AVR: URLs corrected.
4558 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4560 * c-decl.c (start_function): Don't warn if old prototype is builtin
4561 that's not in C's namespace.
4562 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4563 (_bb): Add prototype for ctime.
4564 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4566 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4568 * i386.c (ix86_fp_comparison_arithmetics_cost,
4569 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4570 ix86_fp_comparison_cost): New functions.
4571 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4572 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4573 two-branch sequences; make static.
4574 (ix86_use_fcomi_compare): Do decision according to the costs.
4575 (split_fp_branch): New.
4576 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4577 * i386-protos.h (ix86_expand_fp_compare): Remove
4578 (ix86_split_fp_branch): Declare.
4580 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4581 and ix86_comparison_operator.
4583 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4586 * i386.c (put_condition_code): Output properly the unordered/ordered
4587 compares in fp case.
4588 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4590 * tm.texi (REVERSE_CONDITION): Document.
4591 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4592 in -ffast-math mode.
4593 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4595 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4597 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4599 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4602 * config/sh/sh.c (mova_p): Fix test for mova_const.
4604 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4606 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4607 cpp_get_options rather than dereferencing pfile and using
4609 * scan-decls.c (scan_decls): Use return value of
4610 cpp_pop_buffer rather than CPP_BUFFER.
4612 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4614 * cppinit.c (cpp_handle_option): help_only is now part of the
4615 cpp_options structure.
4616 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4617 cpp_set_callbacks): New functions.
4618 * cpplib.h (cpp_callbacks): Break out as a named structure.
4619 (cpp_options): Move help_only here from cpp_reader.
4620 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4621 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4622 cpp_set_callbacks): New prototypes.
4623 * cppmain.c (main): Update for help_only.
4625 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4627 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4628 Also build and remove and install and uninstall c-tree.info and
4630 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4631 ($(srcdir)/cppinternals.info): New target.
4632 * c-tree.texi: Change file name used when makeinfo used without -o
4633 from ir.info to c-tree.info. Add info directory entry.
4634 * cppinternals.texi: Add info directory entry.
4635 * .cvsignore: Update.
4637 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4639 * c-typeck.c (store_init_value): Don't require constant initializer
4640 elements with -pedantic -std=c99.
4641 (digest_init): Change error about non-constant initializer elements
4643 (constructor_range_end): Remove.
4644 (constructor_incremental, designator_depth,
4645 designator_errorneous): New variables.
4646 (struct constructor_stack): Remove range_end, add incremental.
4647 (struct constructor_range_stack, constructor_range_stack): New.
4648 (struct initializer_stack): Add constructor_range_stack.
4649 (finish_init): Set it.
4650 (start_init): Likewise. require_constant_elements for non-static
4651 trees only if not flag_isoc99.
4652 (really_start_incremental_init): Remove constructor_range_end, add
4653 constructor_incremental.
4654 (pop_init_level): Likewise.
4655 (push_init_level): Likewise. If implicit and the subobject had some
4656 value set already, preinitialize the level with it.
4657 Warn about missing braces only if not pushing due to designators.
4658 (set_designator, push_range_stack): New functions.
4659 (set_init_label): Use them.
4660 (set_init_index): Likewise. Remove constructor_range_end.
4661 Error if designator index is outside of array bounds.
4662 (add_pending_init): Compare values of purpose index trees, not the
4663 trees themselves. Allow overwriting of already initialized element.
4664 Issue a warning if it had side-effects.
4665 (set_nonincremental_init, set_nonincremental_init_from_string): New
4667 (pending_init_member): Rename to...
4668 (find_init_member): ...this function. Call set_nonincremental_init
4669 if necessary. Compare values of purpose index trees, not the trees
4670 themselves. Return the actual value, not just non-zero if something
4672 (output_init_element): Remove checks for duplicates.
4673 If field has zero size, only check the initializer for correctness.
4674 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4675 if constructor_incremental is zero. Change error about initializers
4676 not computable at load time into pedwarn.
4677 (output_pending_init_elements): Compare bit positions, not
4678 FIELD_DECLs to take into account zero-sized fields.
4679 (process_init_element): Use constructor_range_stack to fill all
4680 ranges in the designator lists from current level up.
4681 * extend.texi: Update documentation for labeled elements.
4683 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4685 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4686 to function usage for arguments passed by reference. Optimize
4687 callee-copied arguments.
4688 * regmove.c (replace_in_call_usage): New function.
4689 (fixup_match_1): Call it.
4690 * cse.c (cse_insn): Canonicalize registers in function usage.
4691 * reload1.c (replace_pseudos_in_call_usage): New function.
4694 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4697 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4699 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4702 2001-01-12 DJ Delorie <dj@redhat.com>
4704 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4705 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4708 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4710 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4711 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4712 -std options alongside references to -ansi. Update some
4713 documentation for C99.
4714 * cpp.1: Regenerate.
4716 2001-01-12 Andreas Jaeger <aj@suse.de>
4718 * haifa-sched.c (restore_line_notes): Remove argument block B
4720 * sched-ebb.c (schedule_ebb): Change caller.
4721 * sched-rgn.c (schedule_region): Likewise.
4722 * sched-int.h (restore_line_notes): Adjust prototype.
4724 * loop.h: Remove wrong declaration of doloop_condition_get.
4726 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4728 * extend.texi: Move C++-extension-related node from the C section
4729 into the C++ section.
4731 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4733 * extend.texi: Refer to an array of pointers to functions instead
4734 of one of functions.
4736 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4737 Jan Hubicka <jh@suse.cz>
4739 * combine.c (reversed_comparison): Fix typo in last patch.
4741 (combine_reversed_comparison_code): Make static to follow
4742 prototype declaration.
4744 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4746 * install.texi: Remove misplaced duplicate entry.
4748 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4750 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4752 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4754 * final.c: (leaf_function_p): Fix typo.
4756 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4758 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4759 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4761 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4762 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4763 mmap_anon, and valloc is available.
4764 * ggc-page.c: Restructure ifdef logic to match new autoconf
4765 spec. Don't throw away the test page in init_ggc.
4767 * configure, config.in: Regenerate.
4769 2001-01-12 Michael Hayes <mhayes@redhat.com>
4771 * loop.h (total_biv_increment): Constify iv_class pointer.
4772 (struct induction): Replace `mem_mode' with `mem' rtx.
4773 * unroll.c (total_biv_increment): Constify iv_class pointer.
4774 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4775 (find_mem_givs, combine_givs_p): Likewise.
4776 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4778 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4780 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4782 (__gthread_getspecific): Ditto.
4784 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4786 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4787 put_condition_code): Convert fp comparison codes to integer
4789 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4792 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4793 * i386-protos.h (no_comparison_operator): Kill.
4795 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4797 * combine.c (REVERSIBLE_CC_MODE): Remove.
4798 (reversible_comparison_p): Remove.
4799 (combine_reversed_comparison_code): New.
4800 (reversed_comparison): New.
4801 (combine_simplify_rtx): Use
4802 combine_reversed_comparison_code/reversed_comparison instead
4803 of reversible_comparison_p.
4804 (simplify_if_then_else): Likewise.
4805 (simplify_set): Likewise.
4806 (simplify_logical): Likewise.
4807 (if_then_else_cond): Likewise.
4808 (known_cond): Likewise.
4809 (simplify_comparison): Likewise.
4811 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4813 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4814 sizeof (int) is larger than sizeof(__word__).
4816 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4818 * cppinit.c (do_includes): Fix typo.
4820 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4822 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4823 in S_REGS does not occur because not all sources are possible
4824 when a S_REGS is a destination (sometimes needs a clobber).
4825 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4826 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4827 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4828 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4829 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4830 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4831 (lshrdi_const1, lshrsi3_const16): Likewise.
4832 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4833 (*movhi_68hc12, *movqi_68hc12): Likewise.
4834 (movstrictqi): Make sure reloading in D_REGS as a destination
4837 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4839 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4841 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4843 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4844 -D, -U and -A, and don't initialize the builtins.
4845 (do_includes): Error if -include or -imacros with -fpreprocessed.
4846 * cppmain.c (cb_define, cb_undef): Unconditionally process
4848 * tradcpp.c (main): Fix typo.
4850 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4852 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4853 (read_name_map): Use IS_ABSOLUTE_PATH.
4854 * tradcpp.c (get_filename): Likewise.
4856 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4858 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4859 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4860 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4861 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4862 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4863 (cmphi_z_used): Don't use '@' for the output.
4864 (tstqi_z_used): Likewise.
4865 (cmpqi_z_used): Likewise.
4866 (one_cmplsi2): Likewise.
4868 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4870 * config/sh/sh.c (barrier_align): Recognize branch around far
4871 branch and redundant insn.
4873 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4875 * invoke.texi: Restore documentation of the drivers' switches -MD
4878 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4880 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4882 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4883 check-objc//%): Support parallel testing of multilibs.
4884 (TESTSUITEDIR): Set to testsuite by default, but override for
4886 (check-gcc, check-g++, check-g77, check-objc): Enter
4889 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4891 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4892 * sched-deps.c (deps_may_trap_p): Likewise.
4893 * basic-block.h: Remove a comment.
4894 * flow.c (PROP_POSTRELOAD): Remove.
4895 (update_life_info): Don't add it to prop_flags.
4896 (mark_set_1): Lose the code that was enabled by it.
4898 2001-01-11 Michael Hayes <mhayes@redhat.com>
4900 * flow.c (flow_call_edges_add): New.
4901 * basic_block.h (flow_call_edges_add): New.
4903 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4905 * reload1.c (move2add_note_store): Update reg_set_luid even if
4906 base reg remains the same.
4908 2001-01-10 Nick Clifton <nickc@redhat.com>
4910 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4911 machine_function structure to zero.
4912 Add prototypes for machine_status functions.
4914 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4916 * c-common.h (CTI_VOID_LIST): Remove.
4917 (void_list_node): Likewise.
4918 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4919 (void_list_node): New macro.
4920 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4921 * config/i386/i386.c (ix86_init_builtins): Likewise.
4922 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4924 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4926 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4927 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4929 * tradcpp.c: Include mkdeps.h.
4930 (deps, print_deps_phony_targets, deps_append, output_deps,
4931 init_dependency_output, output_deps): New.
4932 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4933 deps_output): Delete.
4934 (print_deps_missing_files): Rename deps_missing_files.
4935 (inhibit_output): Make global.
4936 (main): Delete inhibit_output, deps_stream, deps_target.
4937 Use mkdeps functionality in the same way as cpplib. Remove
4938 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4939 -M and -MM. Remove old handling of deps via deps_out, and
4940 old reading of environment variables.
4941 (get_filename): Update to use deps_add_dep.
4943 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4945 * output.h (make_function_rtl): Remove prototype.
4946 (make_decl_rtl): Likewise.
4947 * varasm.c (make_function_rtl): Remove.
4948 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4949 than from a third parameter.
4950 * tree.h (make_decl_rtl): Remove last parameter.
4951 * c-decl.c (builtin_function): Remove last argument in call to
4952 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4953 (start_function): Likewise.
4954 * except.c (call_get_eh_context): Likewise.
4955 * expr.c (emit_block_move): Likewise.
4956 (clear_storage): Likewise.
4957 * profile.c (output_func_start_profiler): Likewise.
4958 * toplev.c (rest_of_decl_compilation): Likewise.
4959 * objc/objc-act.c (create_builtin_decl): Likewise.
4960 (synth_module_prologue): Likewise.
4961 (generate_static_reference): Likewise.
4962 (build_selector_reference_decl): Likewise.
4963 (build_class_reference_decl): Likewise.
4964 (build_objc_string_decl): Likewise.
4965 (build_protocol_reference): Likewise.
4967 2001-01-10 Richard Henderson <rth@redhat.com>
4969 * hwint.h: Revert yesterday's change.
4971 2001-01-10 Nick Clifton <nickc@redhat.com>
4973 * function.h (save_machine_status): Delete.
4974 (restore_machine_status): Delete.
4975 Amend comment describing {init|mark|free}_machine_status.
4977 * function.c (save_machine_status): Delete.
4978 (restore_machine_status): Delete.
4979 Amend comment describing {init|mark|free}_machine_status.
4980 (push_function_context_to): Remove invocation of
4981 save_machine_status.
4982 (pop_function_context_from): Remove invocation of
4983 restore_machine_status.
4985 * emit-rtl.c (init_emit_once): Amend comment describing
4986 {init|mark|free}_machine_status.
4988 * tm.texi (Per-Function Data): New node. Describe the
4989 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4992 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4994 * cppinit.c (OPT_g): Remove.
4995 (cpp_handle_option): Update for removed -g3.
4996 (print_help): Update.
4997 * cpplib.h (struct cpp_options): Remove debug_output.
4998 * cppmain.c (setup_callbacks, cb_define): Update.
4999 * gcc.c (cpp_options): Translate -g3 to -dD.
5001 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5003 * config/i960/i960.md: Change modifier to + on the zero_extract
5004 pattern after the (rotate -2 reg) canonicalization pattern.
5006 2001-01-10 Richard Henderson <rth@redhat.com>
5008 * config/alpha/alpha.c (alpha_free_machine_status): New.
5009 (override_options): Install it.
5010 (alpha_mark_machine_status): Verify machine non-null.
5011 * config/i386/i386.c (ix86_free_machine_status): New.
5012 (override_options): Install it.
5013 (ix86_init_machine_status): Use xcalloc.
5014 (ix86_mark_machine_status): Verify machine non-null.
5015 * config/ia64/ia64.c (ia64_free_machine_status): New.
5016 (ia64_override_options): Install it.
5017 (ia64_mark_machine_status): Verify machine non-null.
5019 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5021 * function.c (instantiate_virtual_regs): Instantiate virtual
5022 registers found in CALL_INSN_FUNCTION_USAGE.
5024 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5026 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5027 equivalent to -ansi in disabling -Di386.
5029 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5031 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5033 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5035 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5037 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5039 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5041 * invoke.texi: Document that -fcond-mismatch isn't supported for
5044 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5046 * gcc.texi: Define macro gcctabopt.
5047 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5048 @command, @env and @option in some places where appropriate. Use
5049 @gcctabopt where appropriate. Put URLs and email addresses inside
5052 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5054 * gcc.c (cpp_options): Set MD file name from output
5055 filename, if specified.
5056 (suffix_subst): New static variable.
5057 (do_spec): Clear it.
5058 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5060 (give_switch): Handle suffix_subst.
5062 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5064 * invoke.texi: Fix another typo.
5066 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5068 * invoke.texi: Fix typo.
5070 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5072 * c-lang.c (lang_hooks): Update.
5073 (lang_decode_option): Remove.
5074 (lang_init_options): Rename c_init_options.
5075 * toplev.c (main): Use lang_hooks for lang_init_options
5076 and lang_decode_option.
5077 * toplev.h (lang_hooks): Add 2 new hooks.
5078 * tree.h: Remove lang_init_options and lang_decode_option.
5079 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5080 * cp/decl2.c: Similarly.
5081 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5082 (lang_hooks): Update.
5083 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5085 (lang_init_options): Rename ffe_init_options.
5086 (lang_hooks): Update.
5087 (lang_decode_option): Remove.
5088 * java/lang.c (lang_init_options): Rename java_init_options.
5089 (lang_decode_option): Rename java_decode_option.
5090 (lang_hooks): Update.
5091 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5092 (lang_decode_option): Rename objc_decode_option.
5093 (lang_hooks): Update.
5095 2001-01-09 Nick Clifton <nickc@redhat.com>
5097 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5098 (d30v_return_addr_rtx): Delete.
5099 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5100 cfun->machine structure.
5101 (struct machine_function): Move to d30v.h
5102 (d30v_save_machine_status): Delete.
5103 (d30v_restore_machine_status): Delete.
5104 (d30v_init_machine_status): New Function.
5105 (d30v_mark_machine_status): New Function.
5106 (d30v_free_machine_status): New Function.
5107 (d30v_init_expanders): Use new functions.
5108 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5109 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5110 d30v_return_addr_rtx.
5112 * config/d30v/d30v.h (struct_machine): Move here.
5113 Add eh_epilogue_sp_ofs field.
5115 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5116 field in cfun->machine structure.
5118 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5120 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5121 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5122 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5124 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5126 * objc/lang-options.h: Remove bogus reference to
5129 2001-01-09 Kazu Hirata <kazu@hxi.com>
5131 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5134 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5136 * reload.c (find_reloads_address): Check for eliminable registers
5137 when substituting a constant expression for a pseudo.
5139 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5141 * c-common.c (enum format_type): Add format_type_error.
5142 (decode_format_type): New function.
5143 (decl_attributes): Use it.
5144 (format_kind_info): Adjust comment.
5146 2001-01-09 David O'Brien <obrien@BSDi.com>
5148 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5149 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5151 * config/i386/gnu.h: Don't include required platform specific .h files,
5152 tm.h will do it instead.
5153 * config/i386/i386elf.h: Likewise.
5154 * config/i386/linux.h: Likewise.
5155 * config/i386/moss.h: Likewise.
5156 * config/mips/gnu.h: Likewise.
5158 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5160 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5161 (rs6000-ibm-aix3.[01]*): Likewise.
5162 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5163 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5164 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5165 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5166 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5167 (powerpc-*-eabiaix*): Likewise.
5168 (powerpc-*-eabisim*): Likewise.
5169 (powerpc-*-elf*): Likewise.
5170 (powerpc-*-eabi*): Likewise.
5171 (powerpc-*-rtems*): Likewise.
5172 (powerpc-*-linux*libc1): Likewise.
5173 (powerpc-*-linux*): Likewise.
5174 (powerpc-wrs-vxworks*): Likewise.
5175 (powerpcle-wrs-vxworks*): Likewise.
5176 (powerpcle-*-sysv*): Likewise.
5177 (powerpcle-*-elf*): Likewise.
5178 (powerpcle-*-eabisim*): Likewise.
5179 (powerpcle-*-eabi*): Likewise.
5180 (powerpcle-*-solaris2*): Likewise.
5181 * config/rs6000/aix31.h: Delete includes.
5182 * config/rs6000/aix3newas.h: Likewise.
5183 * config/rs6000/aix41.h: Likewise.
5184 * config/rs6000/aix43.h: Likewise.
5185 * config/rs6000/beos.h: Likewise.
5186 * config/rs6000/rtems.h: Likewise.
5187 * config/rs6000/sysv4.h: Likewise.
5189 2001-01-09 Kazu Hirata <kazu@hxi.com>
5191 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5192 Change an argument mode of machine_mode to shift_mode of
5193 shift_mode. Remove an extra error check.
5194 (emit_a_shift): Adopt to the new calling prototype of
5196 (function_prologue): Fix code for a monitor
5197 function. Support H8/S.
5198 (function_epilogue): Do not output pop for a monitor function.
5200 2001-01-09 Nick Clifton <nickc@redhat.com>
5202 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5203 (setup_incoming_varargs): Use sysv_varargs_p field of the
5204 cfun->machine structure.
5205 (struct machine_function): Move to rs6000.h
5206 (rs6000_save_machine_status): Delete.
5207 (rs6000_restore_machine_status): Delete.
5208 (rs6000_init_machine_status): New Function.
5209 (rs6000_free_machine_status): New Function.
5210 (rs6000_init_expanders): Use new functions.
5212 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5214 (struct machine_function): Move here.
5216 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5217 sysv_varargs_p field of the cfun->machine structure.
5219 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5221 (rs6000_restore_machine_status): Remove prototype.
5223 2001-01-09 Richard Henderson <rth@redhat.com>
5225 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5226 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5227 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5228 (sched_analyze_2, sched_analyze_insn): Likewise.
5229 (sched_analyze, init_deps): Likewise.
5230 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5231 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5232 (compute_block_backward_dependences): Update propagate_deps call.
5234 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5236 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5238 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5240 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5241 (cpp_handle_option): Handle them.
5242 (cpp_post_options): Ensure one of -M or -MM is specified with
5243 any other -M? option.
5244 (init_dependency_output): Suppress output with -MG.
5246 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5249 * invoke.texi: Update.
5251 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5253 * sh.md (reload_outsf): Generate recognizable patterns for
5256 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5258 * c-lang.c (lang_hooks): Update.
5259 (lang_init): Rename c_init.
5260 (lang_finish): Remove.
5261 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5263 * toplev.h (lang_hooks): Add init () and finish ().
5264 * tree.h (lang_init, lang_finish): Remove.
5265 * cp/tree.h (lang_init, lang_finish): Remove.
5266 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5267 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5269 (lang_init, lang_finish): Remove.
5270 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5271 (lang_hooks): Update.
5272 * java/lang.c (lang_init): Rename java_init.
5273 (lang_finish): Remove.
5274 (lang_hooks): Update.
5275 * objc/objc-act.c (lang_init): Rename objc_init.
5276 (lang_finish): Remove.
5277 (lang_hoooks): Update.
5279 20001-01-09 Graham Stott <grahams@redhat.com>
5281 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5282 after `ptr` is initialised.
5284 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5286 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5287 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5288 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5289 stack adjusts, instead of r3.
5291 2001-01-09 Michael Hayes <mhayes@redhat.com>
5293 * flow.c (flow_loop_scan): Break out of ...
5294 (flow_loops_find) ... here.
5295 * basic-block.h (flow_loop_scan): New.
5296 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5297 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5299 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5301 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5303 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5304 realloc()ing macro_buffer.
5306 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5307 if it's wider than long and the target's long is wider than the
5310 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5312 Remove support for using UWIN as a host machine.
5313 * configure.in: Issue an error message.
5314 * configure: Regenerated.
5315 * config.gcc: Remove xm_* UWIN configury.
5316 * config/i386/xm-uwin.h: Remove.
5318 2001-01-08 Nick Clifton <nickc@redhat.com>
5320 * config/v850/v850.c (ra_rtx): Delete.
5321 (v850_save_machine_status): Delete.
5322 (v850_restore_machine_status): Delete.
5323 (v850_init_machine_status): New function.
5324 (v850_mark_machine_status): New function.
5325 (v850_free_machine_status): New function.
5326 (v850_return_addr): Use ra_rtx field in machine structure.
5327 (v850_init_expanders): Use new functions.
5329 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5330 * config/v850/v850.c: Change arguments to v850_output+* functions
5331 to take a const char *, to avoid compile time warning.
5332 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5333 (USER_LABEL_PREFIX): Redefine.
5335 2000-01-08 Jim Wilson <wilson@redhat.com>
5337 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5338 1 to unsigned HOST_WIDE_INT before left shift.
5340 2001-01-08 Nick Clifton <nickc@redhat.com>
5342 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5343 the machine structure has been allocated.
5344 (arm_free_machine_status): New function: Free the machine
5345 specific function structure.
5347 2001-01-08 Richard Henderson <rth@redhat.com>
5349 * jump.c (simplejump_p): Revert last change.
5351 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5353 * cppinit.c (init): Rename init_library.
5354 (cpp_create_reader): Update.
5355 * gcc.c (cpp_options): If -o given, use it as the target of
5358 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5360 * arm.c (arm_arch5e): New variable.
5361 (all_cores): XScale is a 5TE device.
5362 (arm_override_options): Set arm_arch5e.
5363 (arm_init_builtins): __builtin_prefetch is in arch5e.
5364 * arm.h (arm_arch5e): Declare it.
5366 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5368 * arm.md (define_constants): Add defines for UNSPEC and
5369 UNSPEC_VOLATILE insns. Update all users.
5370 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5371 * arm.c (multi_register_push, note_invalid_constants)
5372 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5373 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5374 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5376 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5378 * jump.c (jump_optimize_1): Use reversed_comparison_code
5379 instead of can_reverse_comparison_p.
5380 (jump_back_p): Likewise.
5381 (invert_exp_1): Likewise.
5382 (thread_jumps): Likewise.
5383 * simplify-rtx.c (simplify_unary_operation): Likewise.
5384 (simplify_ternary_operation): Likewise.
5385 * cse.c (find_comparison_args): Convert to use
5386 can_reverse_comparison_p.
5387 (record_jump_equiv): Likewise.
5389 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5391 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5392 (EPILOGUE_USES): Define.
5393 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5394 automatically stack the LR if it isn't live.
5396 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5398 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5401 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5403 * ggc-page.c (max_alignment): New structure.
5404 (MAX_ALIGNMENT): New macro.
5405 (init_ggc): Use it to round up the sizes in the
5406 extra_order_size_table.
5408 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5410 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5413 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5415 * builtins.def (BUILT_IN_FPRINTF): New entry.
5417 * c-common.c (c_expand_builtin_fprintf): New function.
5418 (init_function_format_info): Handle __builtin_fprintf.
5419 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5420 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5422 * c-decl.c (duplicate_decls): Adjust comment.
5424 * extend.texi (fprintf): Document new builtin.
5426 2001-01-07 Richard Henderson <rth@redhat.com>
5428 * jump.c (simplejump_p): Recognize any single_set jump
5431 2001-01-07 Richard Henderson <rth@redhat.com>
5433 * configure.in (slibdir): Accept an --with-slibdir option.
5434 Use "test" not "[" in configure. Default to $(libdir).
5436 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5438 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5439 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5440 (SHLIB_LINK): Create links for the soname.
5441 * config/mips/t-iris6: Likewise.
5442 * config/sparc/t-slibgcc: Likewise.
5443 * config/sparc/t-slibgcc-sld: Likewise.
5445 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5447 * config/i386/i386.c (constant_call_address_operand): Accept
5448 (const (plus (symbol_ref) (const_int))).
5449 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5450 constant_call_address_operand.
5452 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5454 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5455 and LONG_LONG_TYPE_SIZE > 32.
5457 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5459 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5460 the previous change.
5462 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5464 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5466 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5467 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5468 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5471 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5473 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5475 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5477 * c-lang.c (c_post_options): Call cpp_post_options.
5478 * objc/objc-act.c (objc_post_options): Similarly.
5479 * cppmain.c (main): Similarly.
5480 * fix-header.c (read_scan_file): Similarly.
5481 * cppinit.c (cpp_start_read): Move option consistency checks
5482 to cpp_post_options. Don't call init_dependency_output.
5483 If needed, add default target and main file dependency.
5484 (OPT_MD, OPT_MMD): Remove.
5486 (cpp_handle_option): Update for OPT_* changes.
5487 (cpp_post_options): New.
5488 (init_dependency_output): Command line -MF overrides environment
5489 variables. Don't set default target etc. Suppress output
5490 if dependencies are going to stdout.
5491 (print_help): Update.
5492 * cpplib.h (cpp_post_options): New.
5493 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5495 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5497 * jump.c (comparison_dominates_p): Support unordered compares.
5499 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5501 * simplify-rtx.c (simplify_relational_operation): Always simplify
5502 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5505 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5507 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5508 (nonzero_bits): Likewise.
5509 (simplify_comparison): Likewise.
5510 (num_sign_bit_copies): Likewise; return more sane value depending
5511 on STORE_FLAG_VALUE.
5512 (known_cond): Do not assume EQ to be always true for equivalent
5515 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5517 * cse.c (fold_rtx): Handle unordered comparisons.
5519 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5521 * rtlanal.c (set_of_1): New static function.
5522 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5523 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5524 reg_set_last_last_regno): Remove.
5525 (set_of): New global function.
5526 (set_of_data): New structure.
5527 (reg_set_p, reg_set_last): Revamp for set_of.
5528 * rtl.h (set_of): New.
5530 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5532 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5533 * extend.texi: Document _Exit builtin.
5535 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5537 * (initialize, initialize_builtins,
5538 initialize_dependency_output, initialize_standard_includes):
5539 Rename s/initialize/init. Update.
5540 (init_dependency_output): Move to after
5541 cpp_handle_options, the correct location temporally at least.
5542 (opt_comp): Move next to init (), its caller. Fix prototype.
5543 (init): Make "initialized" local scope.
5544 (cpp_create_reader): Always call init ().
5545 (cpp_start_read): Update.
5546 (output_deps): New function, broken out of cpp_finish.
5547 (cpp_finish): Break out output_deps.
5549 2001-01-07 Richard Henderson <rth@redhat.com>
5551 * collect2.c (COFF specific stuff): Revert 12-06 patch
5552 to prototype system functions.
5554 2001-01-07 Michael Hayes <mhayes@redhat.com>
5556 * hard-reg-set.h: Add multiple include guard.
5557 * basic-block.h (struct loop): Add `sink' field.
5558 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5559 (emit_iv_add_mult): Delete.
5560 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5561 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5562 (unroll_loop): Remove end_insert_before argument.
5563 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5564 (maybe_eliminate_biv_1): Likewise.
5565 (emit_iv_add_mult): Delete.
5566 (gen_add_mult, loop_regs_update): New.
5567 (loop_insn_emit_after, loop_insn_emit_before): New.
5568 (loop_insn_sink, loop_insn_sink_or_swim): New.
5569 (emit_iv_add_mult): Delete.
5570 (scan_loop): Set loop->sink.
5571 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5572 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5573 (maybe_eliminate_biv_1): Likewise.
5574 (maybe_eliminate_biv_1): Add basic block argument.
5575 * unroll.c (unroll_loop): Remove end_insert_before argument.
5576 (find_splittable_regs): Likewise.
5577 (find_splittable_regs): Use loop_insn_sink and its ilk.
5578 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5580 2001-01-07 Michael Hayes <mhayes@redhat.com>
5582 * loop.h (loop_insn_hoist): New prototype.
5583 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5584 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5585 (check_dbra_loop, load_mems): Likewise.
5586 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5587 (find_splittable_givs): Likewise.
5589 2001-01-07 Michael Hayes <mhayes@redhat.com>
5591 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5593 2001-01-07 Richard Henderson <rth@redhat.com>
5595 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5597 2001-01-07 Richard Henderson <rth@redhat.com>
5599 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5600 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5601 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5602 variant that handles a shared libgcc.
5603 (process_command): Always validate -{static,shared}-libgcc.
5604 (do_spec_1): New 'M' case.
5605 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5607 2001-01-07 Richard Henderson <rth@redhat.com>
5609 * Makefile.in (slibdir): New variable.
5610 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5611 (installdirs): Create slibdir.
5612 (install-libgcc, install-multilib): Defer to libgcc.mk.
5613 * configure.in (slibdir): Substitute.
5614 * mklibgcc.in (install): New target.
5616 * config/t-linux (SHLIB_LINK): Create links for the soname.
5617 (SHLIB_INSTALL): New.
5618 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5619 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5620 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5621 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5622 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5624 2001-01-07 Richard Henderson <rth@redhat.com>
5626 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5627 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5628 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5630 2001-01-07 Michael Hayes <mhayes@redhat.com>
5632 * loop.c (count_loop_regs_set): Delete.
5633 (load_mems_and_recount_loop_regs_set): Delete.
5634 (loop_regs_scan): Merge common code from count_loop_regs_set,
5635 scan_loop, and load_mems_and_recount_loop_regs_set.
5636 (scan_loop): Call load_mems directly and loop_regs_scan
5637 again if new registers created.
5639 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5641 * toplev.c (main): Call the front-end specific post_options
5642 hook if one is given.
5643 * toplev.h (struct_lang_hooks, lang_hooks): New.
5644 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5645 for the C front end.
5646 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5647 lang_hooks for the C++ front end.
5648 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5649 lang_hooks for the ObjC front end.
5650 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5651 * java/lang.c (lang_hooks): Hooks for the Java front end.
5653 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5655 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5656 for verbose DWARF[2] debugging.
5657 (cb_define, cb_undef): The new callbacks.
5658 * toplev.h (debug_define, debug_undef): Make const correct.
5659 * toplev.c (debug_define, debug_undef): Similarly. Do not
5660 perform the verbosity tests here anymore.
5662 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5664 * reload.c (subst_reloads): Take INSN argument. When
5665 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5666 * reload.h (subst_reloads): Adjust prototype.
5667 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5668 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5669 present in JUMP_INSNs and copy them to JUMP_LABEL.
5670 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5671 JUMP_INSNs and insns with REG_LABELs that are followed by
5672 JUMP_INSNs with the same REG_LABEL.
5673 * sched-rgn.c (is_cfg_nonregular): Likewise.
5674 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5676 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5678 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5680 2001-01-06 Richard Henderson <rth@redhat.com>
5682 * loop.c (scan_loop): Use xcalloc for the regs array.
5683 (load_mems_and_recount_loop_regs_set): Zero the new memory
5684 received from xrealloc.
5686 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5688 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5690 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5692 * integrate.c (copy_rtx_and_substitute): When copying
5693 an ignored return value, strip REG_FUNCTION_VALUE_P.
5695 2001-01-06 Michael Hayes <mhayes@redhat.com>
5697 * loop.c (debug_biv, debug_giv): New.
5698 (loop_biv_dump): Break out from ...
5699 (record_biv): ... here.
5700 (loop_giv_dump): Break out from ...
5701 (record_giv): ... here.
5702 (loop_bivs_check): Use print_simple_rtl.
5703 * unroll.c (loop_iterations): Use print_simple_rtl.
5705 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5707 * pa.md (return, return_internal): Modify patterns to prevent regrename
5708 mucking with the return pointer.
5710 2001-01-05 Richard Henderson <rth@redhat.com>
5712 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5714 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5716 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5717 version supplied by Matteo Frigo.
5719 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5721 * cpp.texi: Update for -MQ.
5722 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5723 (cpp_cleanup): Always free pfile->deps.
5724 (initialize_dependency_output): Don't create pfile->deps.
5725 (cpp_handle_option): Similarly.
5727 * gcc.c (cpp_options): Handle -MQ.
5728 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5729 * mkdeps.c (base_name): Remove.
5730 (deps_init): Don't allocate vector space until it's needed.
5731 (deps_free): Only free vectors if allocated.
5732 (deps_add_target, deps_add_dep): Update for initial allocation.
5733 (deps_add_default_target): Don't strip to the base_name.
5735 2001-01-05 DJ Delorie <dj@redhat.com>
5737 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5738 (INIT_EXPANDERS): Define.
5740 * config/v850/v850.c (struct machine_function): Define.
5741 (v850_save_machine_status): New function.
5742 (v850_restore_machine_status): New function.
5743 (v850_return_addr): New function.
5744 (v850_init_expanders): New function.
5746 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5747 and v850_init_expanders.
5749 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5751 * cpplib.h (struct cpp_reader): Add help_only field.
5752 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5753 (cpp_handle_option): Set pfile->help_only if we see -h,
5754 --help, -target-help, or --version. Print version string but
5755 do not set help_only if we see -v or -version. Make text
5756 printed by -v match that printed by (-)-version.
5758 * cppmain.c (main): Exit after option parsing if
5759 pfile->help_only is true.
5761 * toplev.c (independent_decode_option): Call print_version,
5762 then exit, if we see --version (but not -version).
5763 (print_version): Split lengthy message into two lines.
5765 2001-01-05 Nick Clifton <nickc@redhat.com>
5767 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5768 temporary string for initialisation before calling ggc_alloc_string.
5770 2001-01-06 Michael Hayes <mhayes@redhat.com>
5772 * rtl.h (print_simple_rtl): New.
5773 * print-rtl.c (print_simple_rtl): New.
5775 (print_rtx): Disable printing of flags and modes, etc.,
5776 if `flag_simple` nonzero.
5778 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5780 * function.c (fixup_var_refs): Use push_to_full_sequence where
5783 2001-01-05 Michael Meissner <meissner@redhat.com>
5785 * flags.h (flag_reorder_blocks): Add declaration.
5786 (flag_rename_block): Ditto.
5788 2001-01-05 DJ Delorie <dj@redhat.com>
5790 * function.c (reorder_blocks): Make sure the flags are all reset
5791 before using them to mark blocks, else a second invocation will
5792 corrupt the block chain.
5793 (reorder_blocks_0): New, resets the flags.
5795 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5797 * cse.c (find_comparison_args): Stop if the argument is known to
5800 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5802 * config/sh/sh.md (movdf): When splitting load into pair of
5803 registers, don't clobber the register used in the address too
5806 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5808 * varasm.c (mark_constant_pool): Improve initial comments.
5809 (mark_constants): Move marking of constants to mark_constant.
5810 (mark_constant): New function to recursively mark all constants
5811 referred to by a constant.
5813 2001-01-05 Catherine Moore <clm@redhat.com>
5815 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5817 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5819 * cp/lang-options.h: Bring comment in line with reality.
5820 * f/lang-options.h: Likewise.
5821 * java/lang-options.h: Likewise.
5822 * objc/lang-options.h: Likewise.
5823 * ch/lang-options.h: Likewise.
5824 * f/g77.texi: And update the manual.
5826 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5827 Denis Chertykov <denisc@overta.ru>
5829 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5830 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5831 * config/avr/avr.md (all peepholes that request a scratch register):
5832 Call it, FAIL the peephole if not safe (in interrupt functions).
5834 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5836 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5838 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5840 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5842 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5843 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5844 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5845 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5846 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5848 * extend.texi: Document these builtins.
5850 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5852 * c-common.c (lang_get_alias_set): Say we know nothing of
5853 VECTOR_TYPE aliasing.
5855 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5857 2001-01-05 Bruce Korb <bkorb@gnu.org>
5859 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5860 their x* equivalent versions for atexit-less systems
5861 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5862 systems (or any other system any more).
5864 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5866 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5867 output operands. Use arm_hard_register_operand for operand 4.
5868 (stmsi_postinc): Similarly.
5869 (ldmsi): Use arm_hard_register_operand for opernand 2.
5871 * arm.c (arm_hard_register_operand): New function.
5872 * arm-protos.h (arm_hard_register_operand): Prototype it.
5874 * arm.h (HARD_REGNO_RENAME_OK): Define.
5876 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5878 * simplify-rtx.c (cfc_args): add "unordered" field.
5879 (check_fold_consts): Set unordered field.
5880 (simplify_relational_operation): Simplify the unordered
5883 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5886 * emit-rtl.c (try_split): Fix code to mark labels.
5887 * jump.c (mark_jump_label): Make global.
5888 * rtl.h (mark_jump_label): Declare.
5890 * predict.c (estimate_probability): Handle unordred comparisons.
5892 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5894 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5895 * cppinit.c (initialize_dependency_output): Update.
5896 (cpp_finish): Output dummy targets for -MP.
5898 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5899 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5900 * gcc.c (cpp_options): Update to handle -MP.
5901 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5902 to quote only the default target.
5903 (deps_phony_targets): Insert a preceding newline. Rename from
5904 deps_dummy_targets for consistency.
5907 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5909 * calls.c (emit_library_call_value_1): Support
5910 INIT_CUMULATIVE_LIBCALL_ARGS.
5911 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5913 2001-01-04 Richard Henderson <rth@redhat.com>
5915 * c-decl.c (finish_struct): Detect flexible array members
5916 used in an inappropriate context.
5917 * c-typeck.c (really_start_incremental_init): Special case
5918 constructor_max_index for zero length arrays.
5919 (pop_init_level): Allow initialization of flexible array
5920 members. Deprecate initialization of zero length arrays.
5921 Don't issue missing initializer warning for flexible array
5922 members or zero length arrays.
5923 (process_init_element): Don't dereference null DECL_SIZE.
5924 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5925 Don't abort for empty constructors. Use size_binop
5926 (output_constructor): Add commentary regarding zero length
5927 array futures. Abort if we try to initialize an array of
5928 unspecified length with a non-empty constructor in the middle
5931 * extend.texi (Zero Length): Update and clarify documentation
5932 on static initialization.
5934 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5936 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5937 with more than 32767 words of local storage.
5939 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5941 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5942 for 'abs', 'labs', and 'fabs'.
5943 (c4x_expand_builtin): Likewise.
5944 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5946 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5948 * config/sh/sh.md (prget, prset): New insn types.
5949 (return delay slot): Dont' allow prset.
5950 (call, sfunc delay slot): Don't allow prget.
5951 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5952 for prset and prget.
5954 2001-01-05 Michael Hayes <mhayes@redhat.com>
5956 * loop.h (struct loop_reg): New.
5957 (struct loop_regs): Change to use array of `struct loop_reg'.
5958 * loop.c: Replace assortment of varrays with single regs array.
5959 (count_one_set): Delete may_not_move array argument
5960 and use regs array instead. All caller's changed.
5961 (count_loop_regs_set): Delete may_not_move and single_usage
5962 arguments and use regs array instead. All caller's changed.
5963 (find_single_use_in_loop): Replace usage array argument with pointer
5964 to regs structure. All caller's changed.
5965 (loop_optimize): Delete `moved_once' array.
5967 2001-01-05 Michael Hayes <mhayes@redhat.com>
5969 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5970 Use it instead of loop_info->has_call for scanning loop mems.
5971 (check_dbra_loop): Replace loop_info->has_call test with
5972 loop_info->has_nonconst_call.
5974 2000-01-04 Matthew Hiller <hiller@redhat.com>
5976 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5979 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5981 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5982 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5984 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5986 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5987 (flag_short_double, flag_short_wchar): Define.
5988 (c_common_nodes_and_builtins): Create many tree nodes shared
5989 between C and C++ here instead of in cp/decl.c and ...
5990 * c-decl.c (init_decl_processing): ... here.
5991 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5992 (flag_short_double, flag_short_wchar): Don't define.
5993 (record_builtin_type): New function.
5994 (build_void_list_node): New function.
5995 * c-common.h (flag_short_double, flag_short_wchar,
5996 record_builtin_type, build_void_list_node): Declare.
5998 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6000 * integrate.c (expand_inline_function): Don't put a virtual
6001 register into the reg map.
6003 * function.c (fixup_var_refs_1): If force_operand didn't put
6004 the address into the target, move it there.
6006 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6008 Special-case tree_decl/tree_list allocations.
6009 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6010 (OBJECT_SIZE): New macro.
6011 (NUM_EXTRA_ORDER): Likewise.
6012 (extra_order_size_table): New variable.
6013 (NUM_ORDERS): New macro.
6014 (objects_per_page_table): New variable.
6015 (object_size_table): New variable.
6016 (G.pages): Use NUM_ORDERS to bound the array.
6017 (G.page_tails): Likewise.
6018 (DIV_ROUND_UP): Remove.
6019 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6020 (alloc_page): Use OBJECT_SIZE.
6021 (size_lookup): Don't make it const.
6022 (ggc_alloc): Use OBJECT_SIZE.
6023 (ggc_set_mark): Likewise.
6024 (ggc_get_size): Likewise.
6025 (init_ggc): Set up the object_size_table, objects_per_page_table,
6026 and adjust size_lookup.
6027 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6028 (ggc_pop_context): Use NUM_ORDERS.
6029 (clear_marks): Likewise.
6030 (sweep_pages): Likewise.
6031 (poison_pages): Likewise.
6032 (ggc_print_statistics): Use OBJECT_SIZE.
6034 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6036 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6037 Only call array_size_for_constructor if last field and array type
6038 with no upper bound.
6040 2001-01-04 Philip Blundell <philb@gnu.org>
6042 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6043 from bit 31 downwards, if this requires no more insns.
6044 (count_insns_for_constant): New helper function for above.
6046 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6048 * gencodes.c (output_predicate_decls): Remove empty initializer.
6050 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6052 * tree.c (copy_node): Remove documentation about obstacks.
6053 (buidl1): Check that nobody tries to build 2-argument nodes this
6056 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6058 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6061 * gencodes.c (output_predicate_decls): Fill empty initializer
6064 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6066 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6067 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6069 (do_include): Handle missing headers like cpp0.
6070 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6071 paths with first include pathname. Don't strcat to uninitialized
6074 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6076 * regrename.c (regrename_optimize): Don't rename from frame pointer
6077 if frame_pointer_needed.
6078 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6079 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6080 (ia64_reorg): Use it instead of scheduling if ! optimize.
6081 (errata_emit_nops): Properly call asm_noperands.
6082 (ia64_sched_reorder): Finish cycle if we see an asm.
6083 (ia64_variable_issue): Clear scheduling state after asms.
6085 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6087 * cpp.texi: Update for -MT.
6088 * cppinit.c (initialize_dependency_output): Add a default
6089 target if none has been given already.
6090 (no_tgt, OPT_MT): New.
6091 (cpp_handle_option): Handle -MT. Update -M etc.
6092 * cpplib.h (struct cpp_options): Remove deps_target.
6093 * gcc.c (cpp_options): Handle -MT.
6094 * mkdeps.c (struct deps): Move from mkdeps.h.
6095 (deps_calc_target): Rename deps_add_default_target. Add a
6096 default target if none has been specified already.
6097 * mkdeps.h (struct deps): Move to mkdeps.c.
6098 (deps_calc_target): Rename deps_add_default_target.
6100 2000-01-03 Richard Henderson <rth@redhat.com>
6102 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6104 * c-typeck.c (push_init_level): Move checks for flexible array
6105 members and zero length arrays ...
6106 (pop_init_level): ... here. Silently discard empty initializations.
6108 * varasm.c (output_constructor): Update for sizeof change to
6111 * extend.texi (Zero Length): Clarify semantics.
6113 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6115 * configure.in (tm.h): Include isns-codes.h last.
6116 * configure: Rebuilt.
6118 2001-01-03 Richard Henderson <rth@redhat.com>
6120 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6121 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6123 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6125 * tradcpp.c (main): Make sure finclude() is called with a valid
6126 indepth value while handling -include.
6128 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6130 * gencodes.c (output_predicate_decls): New function.
6132 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6133 even if it is not the first time machmode.h is #included.
6134 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6135 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6136 * gcc.texi (Copyright): Added 2001.
6138 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6140 * c-common.c (c_common_lang_init): New function. Warn if format
6141 warning options which only have effects when used with -Wformat
6142 are used without -Wformat.
6143 * c-common.h (c_common_lang_init): Declare.
6144 * c-lang.c (lang_init): Call c_common_lang_init.
6145 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6147 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6149 * configure.in: Check for the mktemp command.
6150 * configure: Regenerate.
6151 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6152 $TEMP. Create temporary files with mktemp, if available at
6153 configure time; otherwise use set -C. Remove temporary files
6156 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6158 * configure.in: Require at least texinfo 4.0. Check for whether
6159 Pod::Man is sufficiently recent to regenerate GCC manpages.
6160 * configure: Regenerate.
6161 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6163 (GENERATED_MANPAGES): Define.
6164 (generated-manpages): New target. Depend on cpp.1 as well as
6166 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6167 configure to generated-manpages or empty) rather than on the
6168 manpages directly. Remove execute permission from installed
6169 gcov.1 as well as cpp.1.
6170 * cpp.1, gcov.1: Regenerate.
6172 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6174 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6175 tree_low_cst. Allow using cmpstrsi in more cases.
6177 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6179 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6182 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6184 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6185 * Makefile.in (HOST_CFLAGS): Mention build-make.
6187 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6189 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6192 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6194 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6197 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6200 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6201 reg_base_value and reg_known_value arrays.
6202 (init_alias_analysis): Add more cases to detect known values.
6203 * sched-deps.c (deps_may_trap_p): New function.
6204 (sched_analyze_2): Use it.
6206 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6208 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6209 don't discard an ASHIFTRT if we're shifting in a wider mode.
6211 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6213 * toplev.c (rest_of_compilation): Don't print basic block information
6214 when CFG isn't up to date.
6216 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6218 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6219 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6220 (UNALIGNED_SHORT_ASM_OP): Define.
6221 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6223 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6225 * fold-const.c (fold_convert): Fix typo.
6227 2001-01-02 Richard Henderson <rth@redhat.com>
6229 * c-common.h (ASM_INPUT_P): New.
6230 * c-parse.in (asm): Set it when needed.
6231 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6232 existance of an operand.
6234 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6236 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6237 (dwarf2out_frame_debug_expr): Likewise.
6238 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6240 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6242 * i386.c (ix86_split_to_parts): Return number of part required;
6244 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6246 (ix86_split_long_move): Use number of part returned
6247 by ix86_split_to_parts
6248 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6250 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6251 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6252 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6253 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6254 (ALIGN_MODE_128): Add TFmode.
6255 (IS_STACK_MODE): Likewise.
6256 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6257 (HARD_REGNO_OK): Support TFmodes.
6258 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6259 * i386.md (scheduler definitions): Use memory operand to determine
6260 fst/fld instructions; use mode attribute to determine real mode of
6262 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6263 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6265 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6267 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6269 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6271 * expr.c (store_constructor_field): Update ALIGN before calling
6274 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6276 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6279 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6281 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6284 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6286 * c-decl.c (start_function): Don't warn on third parameter to main.
6288 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6290 * tsystem.h: Define HAVE_DECL_GETOPT.
6292 2001-01-02 Philip Blundell <pb@futuretv.com>
6294 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6297 2001-01-02 Richard Henderson <rth@redhat.com>
6299 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6301 2001-01-02 Andreas Jaeger <aj@suse.de>
6303 * c-decl.c (c_decode_option): Remove support of
6306 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6307 (W_options): Add -Wmissing-noreturn here.
6309 * flow.c: Define lang_missing_noreturn_ok_p.
6310 (check_function_return_warnings): Use it.
6312 * c-common.h: Declare lang_missing_noreturn_ok_p.
6314 * c-lang.c (c_missing_noreturn_ok_p): New function.
6315 (lang_init): Set lang_missing_noreturn_ok_p.
6317 * invoke.texi (Warning Options): Document this.
6319 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6321 * extend.texi (C++ Extensions): New node for C++ attributes;
6322 describe init_priority and com_interface.
6323 * invoke.texi: Remove -finit-priority as it now has zero effect.
6324 * install.texi: Fix xref syntax.
6325 * md.texi: Likewise.
6327 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6329 * config.gcc (sparc64-wrs-vxworks*): New case.
6330 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6332 * config/sparc/sparc.c (sparc_override_options): Do support different
6333 pointer and architecture size.
6334 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6335 (POINTERS_EXTEND_UNSIGNED): Define.
6336 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6337 (FUNCTION_MODE): Define to be Pmode.
6338 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6340 * function.c (expand_function_end): Properly handle DECL_RESULT
6341 and copy when ptr_mode != Pmode.
6342 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6344 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6346 * c-common.c (c_common_nodes_and_builtins): Set prototype
6347 parameters for __builtin_fputs, __builtin_fputc and
6348 __builtin_fwrite. Don't declare plain fputc as a builtin.
6350 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6352 * loop.c (add_label_notes): Increment the label usage count when
6353 a note is added to an insn which refers to a CODE_LABEL.
6354 * gcse.c (add_label_notes): Likewise.
6356 2001-01-01 Andreas Jaeger <aj@suse.de>
6358 * loop.c (scan_loop): Use xmalloc to allocate movables.
6360 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6362 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6363 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6364 * reload1.c (REGISTER_MOVE_COST): Likewise.
6365 * regclass.c (REGISTER_MOVE_COST): Likewise.
6366 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6367 dimension. Adjust all users.
6368 (init_reg_sets_1): Iterate on all modes.
6369 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6370 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6371 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6372 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6373 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6374 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6375 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6376 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6377 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6378 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6379 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6380 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6381 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6382 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6383 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6384 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6385 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6386 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6387 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6388 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6389 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6390 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6391 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6392 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6393 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6394 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6395 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6397 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6399 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6400 arg VARIES_P. Call it with extra arg.
6401 (true_dependence): Likewise.
6402 * rtl.h (rtx_addr_can_trap_p): Declare.
6403 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6405 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6406 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6407 pic offset table register if it's zero. All callers changed.
6408 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6410 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6412 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6413 STRING_POOL_ADDRESS_P.
6415 * config/sparc/sparc.c (input_operand): Properly test for short op.
6417 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6418 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6419 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6420 * config/sparc/elf.h: No longer include sol2.h.
6421 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6422 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6424 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6426 2001-01-01 Michael Hayes <mhayes@redhat.com>
6428 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6429 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6430 (record_initial): Likewise.
6431 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6432 (remap_split_bivs): Likewise.
6434 2001-01-01 Michael Hayes <mhayes@redhat.com>
6436 * loop.c (loop_ivs_free): New function.
6437 (strength_reduce): Break out from...
6439 2001-01-01 Michael Hayes <mhayes@redhat.com>
6441 * loop.h (struct iv): New.
6442 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6443 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6444 'reg_biv_class' fields with 'regs' and 'n_regs'.
6445 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6446 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6447 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6449 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6451 * resource.c (mark_referenced_resources): Abort() before
6452 attempting to mark a pseudo register.
6453 (mark_set_resources): Likewise.
6455 2001-01-01 Michael Hayes <mhayes@redhat.com>
6457 * loop.h (REG_IV_CLASS): New accessor macro.
6458 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6459 * unroll.c (REG_IV_CLASS): Likewise.
6461 See ChangeLog.4 for earlier changes.
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