1 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3 * cpp.texi: Update documentation for -include and -imacros.
4 * cppfiles.c (struct include_file): Remove "defined" memeber.
5 (find_or_create_entry): Make a copy of the file name, and
7 (open_file): Update to ensure we use the simplified filename.
8 (stack_include_file): Don't set search_from.
9 (cpp_included): Don't simplify the path name here.
10 (find_include_file): New prototype. Call search_from to
11 get the start of the "" include chain. Don't simplify the
13 (_cpp_execute_include): New prototype. Move diagnostics to
14 do_include_common. Update.
15 (_cpp_pop_file_buffer): Don't set defined.
16 (search_from): New prototype. Use the preprocessor's cwd
17 for files included from the command line.
18 (read_name_map): Don't simplify the pathname here.
19 * cpphash.h (enum include_type): New.
20 (struct buffer): Delete search from. New search_cached.
21 (_cpp_execute_include): Update prototype.
22 * cppinit.c (do_includes): Use _cpp_execute_include.
23 * cpplib.c (do_include_common): New function.
24 (do_include, do_include_next, do_import): Use it.
26 2001-03-14 Mark Mitchell <mark@codesourcery.com>
28 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
29 contents of the RTL, to determine the name of the object.
31 2001-03-14 Mark Mitchell <mark@codesourcery.com>
33 * tree.h (DECL_RTL): Allocate RTL lazily.
34 (SET_DECL_RTL): New macro.
35 (DECL_RTL_SET_P): Likewise.
36 (COPY_DECL_RTL): Likewise.
37 (DECL_RTL_IF_SET): Likewise.
38 * varasm.c (make_decl_rtl): Add assertions about the kind of
39 declaration we are processing.
40 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
41 (start_decl): Likewise.
42 (finish_decl): Likewise.
43 * c-semantics.c (emit_local_var): Likewise.
44 * calls.c (expand_call): Likewise.
45 * dbxout.c (dbxout_symbol): Likewise.
46 * emit-rtl.c (unshare_all_rtl): Likewise.
47 (unshare_all_decls): Likewise.
48 (reset_used_decls): Likewise.
49 * expr.c (store_constructor): Likewise.
50 (safe_from_p): Likewise.
51 (expand_expr): Likewise.
52 * function.c (put_var_into_stack): Likewise.
53 (instantiate_decls_1): Likewise.
54 (assign_parms): Likewise.
55 (expand_function_start): Likewise.
56 (expand_function_end): Likewise.
57 * ggc-common.c (gcc_mark_trees): Likewise.
58 * integrate.c (function_cannot_inline_p): Likewise.
59 (copy_decl_for_inlining): Likewise.
60 (expand_inline_function): Likewise.
61 (integrate_parm_decls): Likewise.
62 (integrate_decl_tree): Likewise.
63 * print-tree.c (print_node): Likewise.
64 * reg-stack.c (stack_result): Likewise.
65 * stmt.c (label_rtx): Likewise.
66 (expand_return): Likewise.
67 (expand_decl): Likewise.
68 (expand_decl_cleanup): Likewise.
69 (expand_anon_union_decl): Likewise.
70 * toplev.c (check_global_declarations): Likewise.
71 (rest_of_decl_compilation): Likewise.
72 * tree.c (simple_cst_equal): Likewise.
73 * objc/objc-act.c (generate_static_references): Likewise.
75 2001-03-14 Zack Weinberg <zackw@stanford.edu>
77 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
78 gcc_AC_C_FLOAT_FORMAT): New macros.
79 * configure.in: Add AC_PROG_CPP after CC tests;
80 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
81 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
82 * configure, config.in: Regenerate.
84 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
85 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
86 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
87 config/i370/xm-linux.h, config/i370/xm-oe.h,
88 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
89 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
90 config/pa/xm-linux.h, config/pa/xm-pa.h,
91 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
92 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
93 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
94 config/we32k/xm-we32k.h: Delete.
96 * config/i370/xm-mvs.h, config/m88k/m88k.h,
97 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
98 config/vax/xm-vms.h: Don't define any of:
99 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
101 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
103 * config.gcc: Remove references to deleted files.
104 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
105 FATAL_EXIT_CODE, which is the same between oe and mvs).
107 2001-03-14 DJ Delorie <dj@redhat.com>
108 Vladimir Makarov <vmakarov@redhat.com>
110 * config/i960/i960.c (i960_function_prologue): Compute size of
111 frame according to number of registers actually saved there.
113 2001-03-14 Richard Henderson <rth@redhat.com>
115 * expr.c (emit_move_insn_1): Fix else if around #endif.
117 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
120 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
123 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
125 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
126 (override_options): Parse cmodel string.
127 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
128 * i386.h (TARGET_OPTIONS): Add "cmodel".
129 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
131 (ix86_cmodel_string, ix86_cmodel): Declare.
133 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
136 * i386.h (GENERAL_REG_P): Add missing REG_P.
138 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
140 * configure.in: Use $gcc_cv_as instead of $as.
141 * configure: Regenerated.
143 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
145 * cppfiles.c (stack_include_file): Only increase the include
146 count if we actually process the file properly, as opposed
147 to treating it as length zero. Only call read_include_file
148 if not DO_NOT_REREAD. Handle the -H include file output
150 (read_include_file): Remove now redundant DO_NOT_REREAD check.
151 (cpp_included, find_include_file): Simplify pathnames after
152 remapping them. If remapping, don't use the remapped file
153 name's buffer as our scratch buffer.
154 (cpp_pop_file_buffer): Replace the multiple include macro
155 only if it isn't yet set.
156 (read_name_map): Simplify remapped names when reading in.
157 (remap_filename): Move code to code path that uses it.
158 (_cpp_simplify_pathname): Return the input pointer.
159 * cpphash.h (_cpp_simplify_pathname): Update prototype.
161 2001-03-14 Mark Mitchell <mark@codesourcery.com>
163 * expr.c (expand_expr): Revove bogus conditional.
165 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
167 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
169 2001-03-14 Jakub Jelinek <jakub@redhat.com>
171 * reg-stack.c (stack_result): Unconditionally use
172 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
174 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
176 * expr.c (emit_move_insn_1): Split push of complex value when
177 no suitable push instruction exist.
179 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
182 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
184 * alias.c (handled_component_p, can_address_p): New functions.
185 (get_alias_set): Use them.
187 2001-03-13 Jim Wilson <wilson@redhat.com>
189 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
190 from 80 in try_locals code.
191 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
193 2001-03-13 Zack Weinberg <zackw@stanford.edu>
195 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
196 gcc_AC_C_LONG_LONG): New.
197 * configure.in: Use them. Probe the size of short, int, long,
198 and long long/__int64 if we have them. Move all the AC_C_*
199 checks together, except gcc_AC_C_CHAR_BIT which has to go
200 after AC_CHECK_HEADERS(limits.h).
201 Take hwint.h out of host_xm_file and build_xm_file.
203 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
204 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
205 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
206 Move the HOST_WIDEST_INT setup logic here from system.h.
207 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
209 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
210 is now handled by hwint.h.
212 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
213 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
214 config/ia64/xm-ia64.h: Don't define any of:
215 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
216 HOST_BITS_PER_LONGLONG.
218 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
219 config/h8300/xm-h8300.h, config/mips/iris6.h,
220 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
221 config/sparc/xm-sp64.h: Delete.
222 * config.gcc: Remove references to deleted files.
224 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
225 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
226 * config/i370/xm-linux.h: Clarify floating-point situation in
229 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
231 * cppfiles.c (NO_INCLUDE_PATH): New macro.
232 (find_include_file): Decide here which part of the include
233 chain to start the search. Complain about an empty include
234 chain in all cases apart from an abolsute file name.
235 (_cpp_execute_include): Don't choose the search chain here.
236 Don't call handle_missing_include in the case of an empty
238 (_cpp_compare_file_date): Don't choose the search chain here.
239 * cpplib.c (do_include_next): Move the in-main-file diagnostic
240 here from _cpp_execute_include. Behave like #include if
241 we're in the main file.
243 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
245 * system.h (malloc, realloc, calloc, strdup): Only poison these
246 tokens when IN_GCC is defined.
248 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
250 * i386.md (abs?f expander): Support SSE case.
251 (abd?f_if): Add new "USE"; add splitters.
253 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
255 * cpp.texi (poison): Explain the macro expansion exception.
257 2001-03-13 Jakub Jelinek <jakub@redhat.com>
259 * expr.c (store_expr): Add dont_store_target. If temp is already in
260 target before copying to reg, don't store it into target again.
262 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
264 * cppinternals.texi: Update for file handling.
266 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
268 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
269 2001-02-24 which broke building the Java library.
270 * function.c (identify_blocks): Likewise.
271 (all_blocks): Likewise.
272 * integrate.c (integrate_decl_tree): Likewise.
273 * print-tree.c (print_node): Likewise.
274 * tree.h (BLOCK_NUMBER): Likewise.
275 (struct tree_block): Likewise.
277 2001-03-12 David Edelsohn <edelsohn@gnu.org>
279 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
280 __WCHAR_TYPE__ definition.
281 (WCHAR_TYPE_SIZE): #undef before #define.
283 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
285 * cppfiles.c: Update comments.
286 (destroy_include_file_node): Rename destroy_node.
287 (find_or_create_entry): New function.
288 (open_file, _cpp_fake_include): Use it.
289 (handle_missing_header): New function, broken out of
290 _cpp_execute include. Don't segfault if there is no
291 system or quoted path.
292 (_cpp_execute_include): Use handle_missing_header.
294 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
296 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
297 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
299 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
301 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
302 unless anti_dependence says they are.
303 * alias.c (objects_must_conflict): If neither has a type specified,
306 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
307 David Billinghurst <David.Billinghurst@riotinto.com>
309 * config/mips/iris5.h: Change WCHAR_TYPE to int.
311 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
313 * i386.md (trunctfdf2_2): Rename missnamed pattern.
314 (*_one_bit): Remove type on the match_operand in attributes.
316 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
318 * i386.c: Commit forgotten hunk in previous patch.
319 (regclass_map): Add extended registers.
320 (dbx_register_map): Add missing frame register.
322 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
324 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
326 * i386.md (x86_sahf_1): Disable for 64bit.
327 (popsi*, pophi*): Likewise.
328 (pushqi, pushhi): Likewise.
329 (movdi, pushdi): Likewise.
330 (zero extend DImode splitter): Likewise.
331 (adddi, minusdi splitter): Likewise.
332 (umulsidi): Likewise.
334 (mulsidi): Disable for 64bit
335 (lshift:DI/ashift:DI): Disable for 64bit.
336 (loop patterns): Likewise.
337 (call_pop, call_value_pop expanders and patterns): Likewise.
338 (prologue_get_pc): Likewise.
340 (fcmovDI pattern and splitter): Likewise.
341 (movdfcc_1_rex64): New.
343 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
345 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
346 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
347 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
348 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
349 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
350 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
351 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
352 (PUSH_ROUNDING): x86_64 rounds to 64bits.
353 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
354 (REGPARM_MAX): Set to 6 for x86_64.
355 (SSE_REGPARM_MAX): Set to 16 for x86_64.
356 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
359 * (patterns that does use upper halves): Update constraints
360 'q' to 'Q' and 'r' to 'R'.
361 (cmpqi_ext_1): Disable for 64bit.
362 (cmpqi_ext_3_insn): Likewise.
363 (movqi_extzv_1): Likewsie.
364 (addqi_ext_1): Liekwsie
365 (testqi_ext_1): Liekwsie
366 (andqi_ext_1): Liekwsie
367 (xorqi_ext_1): Liekwsie
368 (cmpqi_ext_1_rex64): New.
369 (cmpqi_ext_3_insn_rex64): Likewise.
370 (movqi_extzv_1_rex64): Likewsie.
371 (addqi_ext_1_rex64): Liekwsie
372 (testqi_ext_1_rex64): Liekwsie
373 (andqi_ext_1_rex64): Liekwsie
374 (xorqi_ext_1_rex64): Liekwsie
376 2001-03-11 Zack Weinberg <zackw@stanford.edu>
378 * configure.in: Move check for unsigned enumerated bitfields
379 to macro in aclocal.m4. Disable it for now.
380 * configure, config.in: Regenerate.
381 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
382 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
383 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
384 kind above its first use.
386 * config/xm-interix.h, config/alpha/xm-alpha.h,
387 config/i370/xm-linux.h, config/i386/xm-beos.h,
388 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
389 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
390 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
391 Don't define ONLY_INT_FIELDS under any circumstances.
393 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
395 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
396 config/sparc/xm-sysv4.h: Delete - now identical with some
398 * config.gcc (hppa targets): Replace xm-pahpux.h and
399 xm-papro.h with implicit xm-pa.h.
400 (sparc targets): Replace xm-sysv4.h with implicit or explicit
403 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
405 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
406 before reload_cse_noop_set_p.
408 2001-03-11 Zack Weinberg <zackw@stanford.edu>
410 * config.gcc: Where xm-host.h used to include another
411 xm-host.h, list the nested header directly in xm_file. Remove
412 references to deleted files. Can now use sparc/xm-sp64.h for
415 * config/xm-linux.h, config/arm/xm-linux.h,
416 config/i386/xm-dos.h, config/i386/xm-gnu.h,
417 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
418 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
419 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
420 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
423 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
424 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
425 bother to wrap #undef in #ifdef.
426 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
427 Don't include xm-linux.h.
428 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
430 * configure.in: Wrap regexps using [] in changequote block.
431 Use expr : not echo | grep. Simplify regexps.
432 * configure: Regenerate.
434 56 xm-files remain, 22 xm-arch.
436 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
438 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
439 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
440 (local_index, local_rindex): Delete, use strchr/strrchr instead.
441 (copy_object): Fix format specifier vs argument mismatch.
443 * mips-tdump.c: Make local functions static.
444 (rindex): Don't #undef.
445 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
446 (fatal, fancy_abort): Delete.
447 (read_seek): Avoid signed/unsigned compare.
449 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
451 * combine.c (try_combine): Fix error in change to try original
453 (gen_rtx_combine): Do same as gen_rtx for now.
455 2001-03-11 Zack Weinberg <zackw@stanford.edu>
457 * configure.in: AC_SUBST xm_defines.
458 * configure: Regenerate.
459 * Makefile.in: Set DEFINES=$(xm_defines) when building
462 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
464 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
465 (cpp_included, find_include_file): Update.
466 (_cpp_compare_file_date): Make else unconditional.
468 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
470 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
472 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
474 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
475 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
477 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
479 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
480 if it's a record type.
482 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
484 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
485 mingw includes slightly.
487 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
489 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
490 #undef token before poisoning it.
492 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
494 * alpha.c (check_float_value): Use memcpy, not bcopy.
496 * m32r.c (m32r_sched_reorder): Likewise.
498 * vax.c (check_float_value): Likewise.
500 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
502 * toplev.c (file_name_nondirectory): Remove.
503 * toplev.h: Similarly.
504 * dwarf2out.c (compute_section_prefix): Use lbasename instead
505 of file_name_nondirectory.
507 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
509 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
510 * mips-tfile.c: Don't #undef rindex; not used.
512 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
514 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
515 (dbx64_register_map): Declare.
516 (RETURN_ADDR_RTX): Fix for 64bit.
517 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
518 (INCOMING_FRAME_SP_OFFSET): Set to 8.
519 * i386.c (dbx64_register_map): New global array.
520 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
521 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
524 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
526 * cppfiles.c (search_from): Use lbasename.
527 * mkdeps.c (deps_add_default_target): Use lbasename.
529 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
531 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
532 xcalloc in lieu of malloc, realloc & calloc.
534 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
536 * gengenrtl.c (xmalloc): Likewise.
538 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
539 really_call_* memory allocation routines.
541 * stmt.c (check_for_full_enumeration_handling): Use
542 really_call_calloc, not calloc.
544 * system.h (really_call_malloc, really_call_calloc,
545 really_call_realloc): Define.
546 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
548 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
550 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
552 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
554 * configure: Rebuilt.
555 * configure.in: Only use `lang_requires' for languages athat are
558 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
560 * invoke.texi: Fix typo.
563 2001-03-09 Zack Weinberg <zackw@stanford.edu>
565 * configure.in: Prune nonexistent files from build_xm_file,
566 xm_file, and host_xm_file lists. Warn unless they're
568 Don't generate *config.h here.
569 AC_SUBST all variables needed to generate *config.h.
570 * configure: Regenerate.
571 * mkconfig.sh: New helper script, from code removed from
573 * Makefile.in: Zap all MALLOC variables - no longer used
574 anywhere, and malloc.c doesn't exist.
575 Substitute in variables needed to generate *config.h.
576 Stop lying about the dependencies contained in CONFIG_H and
578 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
579 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
580 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
581 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
582 $(TM_P_H), etc. as appropriate.
584 * config.gcc: Zap references to deleted files.
585 * ggc-none.c: Don't include rtl.h or tm_p.h.
587 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
588 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
589 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
590 config/i386/xm-linux.h, config/i386/xm-linux.h,
591 config/i386/xm-next.h, config/i386/xm-openbsd.h,
592 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
593 Don't include i386/xm-i386.h.
595 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
596 config/i386/xm-i386.h, config/i860/xm-i860.h,
597 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
598 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
599 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
600 Delete (empty except comments, #includes of other deleted
601 files, and macros used nowhere).
603 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
605 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
606 independent on TARGET_FLAGS.
608 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
610 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
612 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
614 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
616 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
617 LAST_REX_SSE_REG): define.
618 (enum reg_class): Add 'LEGACY_REGS'
619 (REG_CLASS_CONTENTS): Likewise; add extended registers.
620 (SSE_REGNO_P): Recognize extended registers.
621 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
622 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
623 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
624 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
625 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
626 REG_OK_FOR_STRREG_P): Remove.
627 (HI_REGISTER_NAMES): Add extended registers.
628 (ADDITIONAL_REGISTER_NAMES): Likewise.
629 (QI_REGISTER_NAMES): Add 8bit extended registers.
630 (DEBUG_REG): Support extended registers.
631 * i386.c (regclass_map): Add extended registers.
632 (dbx_register-map): Likewise.
633 (svr4_dbx_register_map): Likewise.
634 (print_reg): Support extended registers.
635 (print_operand): Support 64bit operands.
637 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
639 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
640 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
641 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
642 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
643 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
644 STACK_BOUNDARY): Set properly for 64bits.
645 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
646 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
647 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
648 (MOVE_MAX): Set to 16.
649 (MOVE_MAX_PIECES): 8 for 64bit.
650 (Pmode): Set to SImode.
652 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
654 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
656 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
658 * i386.h (mask_64bit): New constant.
659 (target_64bit): New macro.
660 (target_options): Add '64'/'32'
661 (target_default): Define.
662 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
663 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
664 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
666 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
668 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
670 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
672 * rtlanal.c (rtx_varies_p): Check operand 0 of a
673 LO_SUM unless for_alias is set.
675 2001-03-08 Stan Shebs <shebs@apple.com>
677 * objc/objc-act.c: Fix old typos in comments, add comments for
679 (hash_init): Fix file name in error message.
681 (hash_add_attr): Ditto.
682 (continue_class): Ditto.
684 2001-03-08 Bruce Korb <bkorb@gnu.org>
686 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
687 wait4() can receive the signal.
689 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
691 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
693 * fixinc/fixincl.x: Regenerate.
695 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
697 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
699 * fixinc/fixincl.x: Regenerate.
701 2001-03-08 Richard Henderson <rth@redhat.com>
703 * configure.in (HAVE_AS_LEB128): New assembler check.
704 * configure, config.in: Rebuilt.
706 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
708 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
711 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
713 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
714 references to the MAXPATHLEN macro.
716 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
717 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
720 * config/i386/xm-gnu.h, config/xm-gnu.h,
721 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
722 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
723 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
726 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
727 doing so in various xm-*.h files.
729 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
731 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
733 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
735 * configure.in (enable_shared): Support per-package shared-library
737 * configure: Rebuilt.
739 2001-03-07 David Edelsohn <edelsohn@gnu.org>
741 * rs6000.md (cr logic): Add original POWER mnemonic alternative
742 for crnot. Set operands[5] in splitter.
744 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
746 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
747 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
748 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
749 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
750 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
751 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
752 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
755 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
756 config/i370/xm-i370.h, config/i386/xm-dgux.h,
757 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
758 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
759 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
760 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
761 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
762 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
763 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
764 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
765 Delete unused and/or empty files.
767 * config.gcc: Define USG in xm_defines as appropriate. Define
768 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
769 macro. Remove deleted xm-* files from $xm_files variable.
771 2001-03-07 Tom Tromey <tromey@redhat.com>
773 * configure: Rebuilt.
774 * configure.in: Allow config-lang.in to set `lang_requires' to list
775 of other required languages.
777 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
779 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
781 (output_prologue): Use xmalloc not oballoc.
782 (output_epilog): Free a29k_first_epilogue_insn when finished.
783 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
785 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
787 * builtins.c (expand_builtin_mathfn): Check
788 flag_unsafe_math_optimizations, not flag_fast_math.
789 (expand_builtin): Likewise
790 * combine.c (combine_simplify_rtx): Likewise.
791 (simplify_if_then_else): Likewise.
792 * cse.c (fold_rtx): Likewise.
793 * flags.h: Remove flag_fast_math. Add
794 flag_unsafe_math_optimizations and flag_trapping_math.
795 * fold-const.c (negate_expr): Check
796 flag_unsafe_math_optimizations, not flag_fast_math.
797 (invert_truthvalue): Likewise.
798 (fold): Likewise. Before associating operands, check that
799 code == MULT_EXPR, not code != MULT_EXPR.
800 * ifcvt.c (noce_try_minmax): Check
801 flag_unsafe_math_optimizations, not flag_fast_math.
802 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
803 * invoke.texi: Document -funsafe-math-optimizations and
804 -fno-trapping-math. Change documentation for -ffast-math.
805 * jump.c (reversed_comparison_code_parts): Likewise.
806 (rtx_equal_for_thread_p): Likewise.
807 * optabs.c (emit_conditional_move): Likewise.
808 * simplify-rtx.c (simplify_binary_operation): Likewise.
809 (simplify_relational_operation): Likewise.
810 (simplify_ternary_operation): Likewise.
811 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
812 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
813 Add trapping-math and unsafe-math-optimizations entries to f_options.
814 (set_fast_math_flags): New, sets flags for -ffast-math.
815 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
816 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
817 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
819 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
820 (alpha_emit_conditional_move): Initialize local_fast_math to
821 flag_unsafe_math_optimizations, not flat_fast_math.
822 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
823 instead of setting flag_fast_math to 1.
824 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
826 * config/i386/i386.c (override_options): Likewise
827 * config/i386/i386.md: Likewise.
828 * config/m68k/m68k.md: Likewise.
829 * config/mips/mips.md: Likewise.
830 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
831 (rs6000_generate_compare): Likewise.
833 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
835 * Makefile.in: Set RANLIB to @RANLIB@.
838 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
840 * fixinc/inclhack.def (djgpp_wchar_h): New test.
841 * fixinc/fixincl.x: Regenerated.
843 2001-03-07 Richard Henderson <rth@redhat.com>
845 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
847 2001-03-07 Richard Henderson <rth@redhat.com>
849 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
850 of block notes and exception handling notes.
852 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
853 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
854 (compile_file): ... here.
856 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
858 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
860 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
861 config.h now. Include libiberty.h to handle alloca.
863 2001-03-06 Zack Weinberg <zackw@stanford.edu>
865 * c-parse.in (yylexname): New function, split out of _yylex.
866 (objc_rid_sans_at): New table.
867 (init_reswords): Initialize it.
868 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
869 retrieving the next token and checking it for significance as
870 an ObjC keyword or string constant.
872 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
873 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
875 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
878 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
880 * config/m68k/m68k.c (const_uint32_operand): Accept any
881 const_int on a 32-bit host.
883 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
885 * objc/objc-act.c (init_objc): Set save_lang_status,
886 restore_lang_status, and mark_lang_status.
888 2001-03-06 Krister Walfridsson <cato@df.lth.se>
890 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
892 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
894 * cppinternals.texi: Update.
896 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
898 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
899 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
900 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
901 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
902 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
903 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
904 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
905 config/i386/xm-i386.h, config/i860/xm-i860.h,
906 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
907 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
908 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
909 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
910 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
911 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
912 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
913 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
914 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
915 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
916 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
917 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
918 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
919 match the defaults provided in hwint.h.
921 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
922 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
924 * config.gcc (xm_file): Don't set to files which are deleted.
926 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
927 guard this file against these macros being undefined.
929 2001-03-06 Zack Weinberg <zackw@stanford.edu>
931 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
932 and DECL_DEFER_OUTPUT on the decl we create, before calling
933 rest_of_decl_compilation.
935 2001-03-06 Zack Weinberg <zackw@stanford.edu>
937 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
939 * configure, config.in: Regenerate.
940 * config.gcc: Remove references to deleted files.
942 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
943 genrecog.c, rtl.c: Do not use alloca anywhere.
945 * Makefile.in, build-make, system.h, config/x-interix,
946 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
947 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
948 config/arc/xm-arc.h, config/arm/xm-arm.h,
949 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
950 config/h8300/xm-h8300.h, config/i370/x-oe,
951 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
952 config/i386/x-ncr3000, config/i386/x-sco5,
953 config/i386/xm-dgux.h, config/i860/x-sysv4,
954 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
955 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
956 config/m68k/x-hp320g, config/m69k/x-mot3300,
957 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
958 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
959 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
960 config/m88k/x-sysv4, config/m88k/x-tekXD88,
961 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
962 config/mips/x-iris, config/mips/x-iris3,
963 config/mips/x-sni-svr4, config/mips/x-sysv,
964 config/mips/xm-iris6.h, config/mips/xm-mips.h,
965 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
966 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
967 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
968 config/pa/xm-papro.h, config/romp/xm-romp.h,
969 config/rs6000/x-aix31, config/rs6000/x-aix41,
970 config/rs6000/x-beos, config/rs6000/x-lynx,
971 config/rs6000/x-mach, config/rs6000/x-rs6000,
972 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
973 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
974 config/sparc/x-sysv4, config/sparc/xm-linux.h,
975 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
976 config/vax/xm-vms.h: Eradicate all references to alloca and
979 * config/xm-alloca.h, config/clipper/x-clix,
980 config/i386/xm-sysv4.h, config/i860/x-fx2800,
981 config/i860/x-sysv3, config/m88k/x-sysv3,
982 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
983 (contained only alloca related hacks).
985 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
988 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
990 * invoke.texi: Document __FAST_MATH__.
992 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
994 * crtstuff.c: Restore include of auto-host.h.
996 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
998 Put main() in a separate file, so that the language
999 front-end can use a different main().
1002 * toplev.c: (main): Rename as toplev_main.
1003 * toplev.h: Declare toplev_main.
1004 * Makefile.in (OBJS): add toplev.o.
1005 (BACKEND): remove toplev.o, add main.o.
1007 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1009 * cppfiles.c (search_from): Special case the empty string.
1011 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1013 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1014 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1015 strlen or strcpy; we already know the length.
1016 (_cpp_compare_file_date): Similarly.
1017 * cpphash.h (struct cpp_reader): Delete done_initialising.
1018 (CPP_PREV_BUFFER): Delete.
1019 * cppinit.c (cpp_start_read): Don't set done_initialising.
1020 * cpplex.c (parse_string): Guarantee null-termination.
1021 (_cpp_equiv_toklists): Remove.
1022 * cpplib.c (glue_header_name): Null-terminate.
1023 (do_line): Don't leak memory.
1024 * cpplib.h (BT_WEAK): Delete.
1025 * cppmain.c (cb_ident): Strings are now null-terminated.
1027 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1029 * gcc.c (convert_filename): Append executable suffix
1030 if NO_AUTO_EXE_SUFFIX is not defined.
1031 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1032 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1034 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1036 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1037 * c-parse.gperf, c-gperf.h: Delete.
1038 (c-gperf.h was accidently re-added to the CVS repo in the rev
1039 1.16 commit by tromey)
1041 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1043 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1044 macro arguments when looking for the '('.
1045 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1046 2 when really parsing arguments; 1 when looking for '('.
1047 Always restore the lexer position.
1049 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1051 * longlong.h (umul_ppmm): Don't use a multiline string.
1053 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1055 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1056 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1057 t_bool in declaration because pcc can't combine volatile with typedef
1060 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1062 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1063 until when it is really needed.
1064 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1065 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1066 * i386.md (float?i?f splitter): Don't force source operand to memory
1068 (sse_movdfcc): Fix constraint.
1069 (sse_movdfcc splitter): Handle properly the second alternative.
1071 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1073 * cpplex.c (parse_string): Unconditionally pedwarn.
1075 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1078 * cppexp.c (parse_number): Update.
1079 * cpplex.c (parse_string): Pedwarn if multiline string does not
1080 result from a system header's macro.
1081 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1082 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1083 for function-like macros too.
1084 * c-lex.c (lex_number): Update.
1086 2001-03-03 Richard Henderson <rth@redhat.com>
1088 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1090 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1092 * combine.c (try_combine): If split with mode-changed scratch
1093 register didn't work, try the original mode.
1095 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1097 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1098 * config/c4x/c4x.h: Likewise.
1099 * stor-layout.c (compute_record_mode): Likewise.
1100 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1102 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1104 * configure.in: Kill tm.h. Include the files in the $tm_file
1105 list in all three of config.h, hconfig.h, tconfig.h, after the
1106 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1107 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1108 * configure: Regenerate.
1109 * Makefile.in (clean): Don't delete tm.h.
1111 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1112 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1113 those are not defined, set SEC and FEC to 0 and 1.
1114 * gcc.texi: Update to match.
1116 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1117 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1118 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1119 Include tconfig.h, not tm.h.
1121 * config/xm-lynx.h, config/xm-std32.h,
1122 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1123 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1124 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1125 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1126 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1127 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1128 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1129 config/i386/xm-i386.h, config/i860/xm-i860.h,
1130 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1131 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1132 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1133 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1134 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1135 config/pa/xm-linux.h, config/pa/xm-pa.h,
1136 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1137 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1138 config/pj/xm-pj.h, config/romp/xm-romp.h,
1139 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1140 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1141 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1142 config/v850/xm-v850.h, config/vax/xm-vax.h,
1143 config/we32k/xm-we32k.h:
1145 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1147 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1148 config/i370/xm-oe.h: Don't include tm.h. Don't define
1150 * config/vax/xm-vms.h: Don't include tm.h.
1152 * config/xm-lynx.h, config/avr/xm-avr.h,
1153 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1154 Delete; made empty by above changes.
1155 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1156 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1157 Don't include config/xm-lynx.h or tm.h.
1159 * config/xm-gnu.h: Don't include fcntl.h.
1160 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1162 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1164 2001-03-02 Richard Henderson <rth@redhat.com>
1166 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1167 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1169 2001-03-02 Richard Henderson <rth@redhat.com>
1171 * Makefile.in (OBJS): Add dwarf2asm.o.
1172 * dwarf2asm.c, dwarf2asm.h: New files.
1173 * dwarf2out.c (*): Use them.
1174 (size_of_uleb128, size_of_sleb128): Remove.
1175 (output_uleb128, output_sleb128): Remove.
1176 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1177 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1178 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1179 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1180 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1181 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1182 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1183 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1184 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1185 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1186 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1187 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1188 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1189 (dwarf2out_frame_debug): Remove unused variables.
1190 (output_loc_operands): Don't abort on 8 byte constants if
1191 host integers are wide enough.
1192 (output_symbolic_ref): Remove.
1193 (size_of_die): Don't assume 4 byte host integers.
1194 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1196 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1197 something stupid with HOST_WIDE_INT to long truncation.
1198 [CONST_DOUBLE]: Likewise.
1200 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1201 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1202 * config/arm/unknown-elf.h: Likewise.
1203 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1204 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1205 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1206 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1207 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1208 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1209 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1210 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1211 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1212 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1213 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1214 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1216 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1218 * cselib.c (hash_rtx): Cast enums to unsigned int.
1220 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1222 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1223 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1225 * c-format.c (C_STD_VER): Cast to int for comparisons.
1226 (check_function_format): Cast various enums to int for &.
1227 (maybe_read_dollar_number): Likewise.
1228 (check_format_info): Likewise.
1229 (check_format_info_main): Likewise.
1230 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1231 (safe_from_p): Likewise.
1232 * varasm.c (const_hash): Cast enum to int for %.
1233 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1234 pcc enum problems with < and ++ operators.
1235 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1236 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1237 (regclass_init): Change enum class to int to iterate over reg_classes.
1238 * genrecog.c (merge_trees): Cast enums for comparison.
1239 * rtl.h (GET_CODE): Cast to enum rtx_code.
1240 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1241 (GET_MODE): Cast to enum machine_mode.
1242 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1243 (GET_NOTE_INSN_NAME): Cast enum to int.
1244 * tree.h (TREE_CODE): Cast to enum tree_code.
1245 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1246 * timevar.c (timevar_print): Change loop variable id from enum to
1248 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1249 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1250 * toplev.c (compile_file): Cast enum DFI to int.
1251 (decode_d_option): Likewise.
1253 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1255 * cppinit.c (append_include_chain): Mark "after" include file name list
1256 as a system directory.
1257 * cpp.texi: Document new behavior.
1259 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1261 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1263 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1265 * cppfiles.c (struct include_file): Update.
1266 (stack_include_file): Use search_from.
1267 (cpp_included, find_include_file): Update.
1268 (cpp_execute_include): Update. ptr->name may not be
1269 null terminated. Use the new search_from member variable
1271 (_cpp_compare_file_date): Similarly.
1272 (search_from): New function, similiar to actual_directory.
1273 (actual_directory): Delete.
1274 (remap_filename): Update. loc->name may not be null terminated.
1275 (struct file_name_list): Rename search_path. Update.
1276 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1277 search_from and dir.
1278 (struct cpp_reader): Remove actual_dirs.
1279 * cppinit.c (struct cpp_pending): Update for renamed objects.
1280 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1281 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1282 * cpplib.h (struct cpp_options): Similarly.
1284 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1286 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1287 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1288 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1289 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1290 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1291 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1292 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1293 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1294 config/i370/xm-oe.h, config/i386/xm-aix.h,
1295 config/i386/xm-i386.h, config/i386/xm-osf.h,
1296 config/i860/xm-i860.h, config/i960/xm-i960.h,
1297 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1298 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1299 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1300 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1301 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1302 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1303 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1304 config/pj/xm-pj.h, config/romp/xm-romp.h,
1305 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1306 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1307 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1308 config/v850/xm-v850.h, config/vax/xm-vax.h,
1309 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1310 Do not define TRUE or FALSE.
1312 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1313 empty by above change.
1314 * config.gcc: Remove references to these files.
1316 * configure.in: Detect stdbool.h.
1317 * configure, config.in: Regenerate.
1318 * system.h: Include stddef.h here if available.
1319 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1320 Then set up a sensible boolean type at the very end.
1322 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1323 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1325 * hash.h: Delete 'boolean' typedef and related #undefs.
1327 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1328 all uses of 'boolean' with 'bool'.
1330 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1332 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1333 * cppexp.c (lex): Cast enums for comparison.
1334 * cppinit.c (parse_option): Cast enum for comparison.
1335 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1336 (cpp_output_token): Likewise.
1337 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1338 (cpp_avoid_paste): Cast enums for minus and comparison.
1340 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1342 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1343 field to all array elements.
1345 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1347 * cpphash.h (struct cpp_reader): Add print_version field.
1348 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1349 just set print_version and other flags as appropriate.
1350 (cpp_post_options): Print version here if print_version is set.
1352 * toplev.c (exit_after_options): New flag.
1353 (independent_decode_option): Don't exit here; just set
1355 (main): Exit after calling lang_hooks.post_options if
1356 exit_after_options is true.
1358 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1359 (merge_include_chains): Adjust comment to match code.
1361 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1363 * stringpool.c (set_identifier): New function.
1364 * tree.h: Prototype it.
1366 * c-parse.in: Kill D_YES. If compiled for objc, call
1367 save_and_forget_protocol_qualifiers from init_reswords.
1368 * objc/objc-act.c (remember_protocol_qualifiers,
1369 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1370 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1372 (save_and_forget_protocol_qualifiers): New function.
1373 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1375 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1377 * c-semantics.c (prune_unused_decls): Return error_mark_node
1378 instead of (tree) 1 to stop traversing the tree chain.
1380 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1382 Fix a problem introduced by Kenner's Feb 18 change.
1383 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1384 flag_cse_skip_blocks only temporarily, not for ever.
1386 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1388 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1389 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1391 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1392 before determining its register class.
1394 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1396 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1397 from reg 4 if current_function_calls_setjmp.
1398 (gen_nop_type): New function.
1399 (ia64_emit_nops): New function.
1400 (ia64_reorg): Call it.
1401 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1403 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1404 code not to try to optimize adds with anything but a REG destination.
1406 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1407 (INSN_PRIORITY_KNOWN): New accessor macro.
1408 * haifa-sched.c (priority): Use it instead of testing priority against
1411 2001-02-28 DJ Delorie <dj@redhat.com>
1413 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1414 since that doesn't work the way gcc wants on a generic m68k.
1416 2001-02-28 Richard Henderson <rth@redhat.com>
1418 * caller-save.c (save_call_clobbered_regs): Fix typo in
1419 comparison last change.
1421 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1423 * i386.c (pentium4_cost): New.
1424 (m_PENT4): New macro.
1425 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1426 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1427 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1428 x86_memory_mismatch_stall): Add Pentium4
1429 (x86_use_q_reg, x86_use_any_reg): Kill.
1430 (override_options): Add pentium4.
1431 (incdec_operand): Return 0 for pentium4.
1432 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1433 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1434 (TARGET_PENTIUM4): Define.
1435 (enum processor_type): Add PROCESSOR_PENTIUM4.
1436 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1437 * i386.md (attribute "cpu"): Add pentium4.
1438 * invoke.texi (march): Add pentium4.
1440 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1442 * i386.md (sse_mov?fcc*): New patterns and splitters.
1443 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1444 the SSE based conditional moves.
1446 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1448 * i386.md (attribute mode): Add "TI".
1449 (movsf_1): Add pxor support; remove constant propagation splitter.
1450 (movdf_integer): Likewise.
1451 (movdf_nointeger): Likewise.
1452 (movxf constant prop splitter): Handle all modes; update for SSE.
1453 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1454 * i386.c (standard_80387_constant_p): Rewrite.
1455 (standard_sse_constant_p): New.
1456 * i386-protos.h (standard_sse_constant_p): New.
1458 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1460 * i386.md (sse_setccsf, sse_setccdf): New.
1461 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1463 * i386.c (sse_comparison_operator): Accept the supported unordered
1464 comparses; be ready for fast_math.
1465 (print_operand): Support 'D'.
1467 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1469 * jump.c (reversed_comparison_code): Kill.
1471 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1473 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1476 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1478 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1479 add missing '%' in constraints.
1481 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1483 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1484 for HOST_BITS_PER_WIDE_INT == 32 too.
1486 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1488 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1490 (insert_save, insert_restore): New parameter save_mode.
1491 (init_caller_save): Update initialization of reg_save_code
1492 and reg_restore_code.
1493 (save_call_clobbered_regs): Compute save_modes and update calls to
1494 reg_save_code and reg_restore_code.
1495 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1496 of spill; update use of reg_restore_code.
1497 (insert_save): Likewise.
1498 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1499 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1500 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1502 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1504 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1505 noce_try_store_flag_inc, noce_try_store_flag_mask,
1506 noce_try_cmove_arith):
1507 Use reversed_comparison_code instead of reverse_comparison and
1508 can_reverse_comparison_p.
1510 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1512 * jump.c (reversed_comparison_code_parts): Allow reversal of
1513 unordered compares in -ffast-math mode; reverse ordered compares
1514 for FP even w/o -ffast-math.
1516 2001-02-27 Richard Henderson <rth@redhat.com>
1518 * print-rtl.c (print_rtx) [i]: Don't print field five on
1519 NOTEs other than NOTE_INSN_DELETED_LABEL.
1521 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1523 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1524 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1526 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1528 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1529 even if walk_subtrees is 0.
1530 * c-semantics.c (prune_unused_decls): Return a non-null value to
1531 stop traversing the tree chain.
1533 2001-02-27 DJ Delorie <dj@redhat.com>
1535 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1536 register, *then* define it as the new CFA.
1538 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1540 * pa.c (override_options): Promote -fpic to -fPIC.
1541 (legitimize_pic_address): Simplify due to removal of
1542 small PIC as a code generation option.
1543 (secondary_reload_class): Similarly.
1544 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1545 (PRINT_OPERAND_ADDRESS): Similarly.
1546 * pa.md (various patterns): Similarly.
1547 (small pic lo_sum pattern): Remove.
1549 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1552 * md.texi (min, max): Document
1554 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1556 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1557 TARGET_PARTIAL_REG_DEPENDENCY.
1558 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1560 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1562 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1564 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1566 * mips.c (mips_make_temp_file): Fix thinko in last change.
1568 2001-02-26 Jason Eckhardt <jle@redhat.com>
1570 * combine.c (known_cond): Do not reverse the condition when
1571 SMAX/UMAX is being considered and the condition is for equality
1574 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1576 2001-02-26 Philip Blundell <philb@gnu.org>
1578 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1580 * config/arm/linux-elf.h: Remove historical relics related to
1581 above configurations.
1582 * config/arm/linux-oldld.h: Delete.
1583 * config/arm/linux-elf26.h: Delete.
1585 2001-02-26 Jason Merrill <jason@redhat.com>
1587 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1589 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1590 recognize a tentative definition. Lose obsolete code.
1592 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1593 variables unless necessary, either.
1595 2001-02-25 Richard Henderson <rth@redhat.com>
1597 * ifcvt.c (struct noce_if_info): Add test_bb.
1598 (noce_get_alt_condition): New.
1599 (noce_try_minmax, noce_try_abs): New.
1600 (noce_operand_ok): New.
1601 (noce_process_if_block): Use them.
1602 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1604 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1606 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1609 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1611 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1612 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1614 (mips_asm_file_end): Free temp_filename here.
1616 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1618 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1619 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1621 * config/i386/i386.md (movstrsi): Handle FAIL case.
1623 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1625 * cppinit.c (builtin_array): Update.
1626 (init_builtins): Flag builtins to warn if redefined or
1627 undefined. Define __GXX_WEAK as a normal macro.
1628 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1629 * cpplib.h (NODE_WARN): New flag.
1630 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1631 Handle __STDC__ as a builtin only on Solaris.
1632 (warn_of_redefinition): Renamed from check_macro_definition.
1633 Reverse sense of test. Always warn if NODE_WARN.
1634 (_cpp_create_definition): Use warn_of_redefinition. Flag
1635 any macro beginning with "__STDC_" to require a mandatory
1636 warning if redefined or undefined.
1638 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1640 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1641 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1642 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1643 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1644 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1645 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1646 Don't define any of:
1647 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1648 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1649 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1650 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1651 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1653 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1654 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1657 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1658 Delete now-empty file.
1660 * alpha/vms.h: Define NEED_ATEXIT here...
1661 * alpha/xm-vms.h: ...not here.
1663 * i386/cygwin.h: Don't define PARAMS.
1664 * mips/mips.c: Don't prototype mktemp. Don't define
1665 P_tmpdir. Use make_temp_file to create temporary files.
1666 Don't be clever and delete temporary files early.
1667 * config.gcc: Drop references to deleted files. Don't define
1669 * gcc.texi: Don't mention USE_PROTOTYPES.
1671 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1673 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1674 (ix86_set_move_mem_attrs_1): Likewise.
1675 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1676 * config/i386/i386.md (movstrsi): Call it.
1678 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1680 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1681 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1682 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1683 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1685 (i750a-*-*): Error here if hosting on i750a.
1686 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1688 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1689 Remove (empty modulo comments).
1691 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1692 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1693 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1694 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1695 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1696 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1698 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1699 Remove reference to winnt.h in comment.
1700 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1702 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1704 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1705 used to set another biv.
1707 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1709 * tree.h (BLOCK_DEAD): New macro.
1710 (struct tree_block): New flag, dead_flag.
1711 * print-tree.c (print_node, case 'b'): Print missing fields.
1712 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1713 * function.c (identify_blocks): Enable test for misplaced notes.
1714 (all_blocks): Skip BLOCK_DEAD blocks.
1715 * integrate.c (integrate_decl_tree): Likewise.
1717 * errors.c (internal_error, trim_filename): New functions.
1718 (fancy_abort): Call internal_error.
1719 * errors.h (internal_error, trim_filename): New declarations.
1721 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1723 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1725 (EXTRA_CONSTRAINT): Formatting changes.
1727 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1729 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1731 2001-02-23 Per Bothner <per@bothner.com>
1733 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1734 so they can be called from java/jvspec.c.
1735 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1737 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1739 * i386.c (ix86_frame): New structure.
1740 (ix86_compute_frame_size): Kill.
1741 (ix86_compute_frame_layout): New.
1742 (ix86_save_reg): New.
1743 (ix86_can_use_return_insn_p): Use frame layout stuff.
1744 (ix86_expand_prologue): Likewise.
1745 (ix86_expand_epilogue): Likewise.
1746 (ix86_initial_elimination_offset): Likewise.
1747 (ix86_nsaved_regs): Use ix86_save_reg.
1748 (ix86_emit_save_regs): Likewise.
1750 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1752 * flow.c (find_sub_basic_blocks): New function.
1753 (split_block): Be ready for basic block introduced by CODE_LABEL.
1754 (commit_one_edge_insertion): Call find_sub_basic_block.
1756 * flow.c (make_edges): Add edge from entry for blocks starting with
1757 label having ALTERNATE_NAME
1759 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1761 * function.c (epilogue_done): Be ready for first basic block not
1762 containing PROLOGUE_END note.
1763 (reposition_prologue_and_epilogue_notes): Avoid placing
1764 PROLOGUE_END note between BASIC_BLOCK.
1766 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1768 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1770 2001-02-21 DJ Delorie <dj@redhat.com>
1772 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1773 check for current_function_has_nonlocal_goto from 1999-11-12.
1775 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1777 * diagnostic.c (trim_filename): No longer static.
1778 * toplev.h (trim_filename): Declare.
1779 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1780 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1781 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1782 (rtvec_check_failed_bounds): Likewise.
1783 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1785 * convert.c (convert_to_integer): Don't do unsigned unless result or
1786 both inputs are unsigned.
1788 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1791 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1793 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1795 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1797 * Makefile.in (resource.o): Add params.h dependence.
1798 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1799 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1800 * resource.c: Add dependence on params.h.
1801 (current_live_regs): Fix explanatory comment.
1802 (find_basic_block): Add new parameter to permit limiting search
1804 (mark_target_live_regs): Add new argument to find_basic_block call.
1805 (incr_ticks_for_insn): Likewise.
1807 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1809 * diagnostic.c (output_to_stream): Rename to
1810 output_buffer_to_stream. Loses the stream parameter.
1811 (init_output_buffer): Set diagnosic_buffer's stream.
1812 (flush_diagnostic_buffer): Adjust.
1813 (default_print_error_function): Likewise.
1814 (finish_diagnostic): Likewise.
1815 (verbatim): Likewise.
1817 * diagnostic.h (struct output_buffer): Add `stream' field.
1818 (output_buffer_attached_stream): New macro.
1820 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1822 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1823 check if either operand is divisible by C.
1824 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1825 If type is signed, consider negative numbers as well.
1827 2001-02-22 Richard Henderson <rth@redhat.com>
1829 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1830 reach .text instead of gp-relative relocs.
1831 * config/ia64/crtend.asm (.init): Likewise.
1833 2001-02-22 Andreas Jaeger <aj@suse.de>
1835 * extend.texi (C++ Attributes): Fix typo.
1837 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1839 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1840 functions, drop current_function_args_info.words test.
1841 (ia64_compute_frame_size): Mark syscall_linkage functions as
1842 using eight input registers.
1844 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1845 Bruce Korb <bkorb@gnu.org>
1847 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1848 * fixinc/README: Document how to convert sed substitutions
1849 to format style c_fix-es.
1850 * fixinc/fixincl.x: regen
1852 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1854 * gcc.c: Add comment explaining how to add a command-line option.
1855 Add title to specs language comment.
1857 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1859 * gcc.c (cc1_options): Add "-param".
1860 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1861 (option_map): Likewise.
1862 * toplev.c (display_help): Add entry for "--param".
1863 (independent_decode_option): Fix typographical error.
1865 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1866 Bernd Schmidt <bernds@redhat.com>
1867 Jan Hubicka <jh@suse.cz>
1869 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1870 (function_arg): Likewise.
1872 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1874 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1876 2001-02-21 Kazu Hirata <kazu@hxi.com>
1878 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1882 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1884 * flow.c (init_propagate_block_info): Canon address and use single_set
1885 for killing dead memory stores.
1887 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1889 * Makefile.in (reorg.o): Add params.h dependence.
1890 * params.def: Fix typographical error in comment.
1891 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1892 * params.h: Modify introductory comment.
1893 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1894 * reorg.c: Add dependence on params.h.
1895 (redundant_insn): Add parameterized throttle for search.
1896 (fill_simple_delay_slots): Add a comment explaining a variable.
1897 Move conditional out of loop, simplifying code.
1898 (fill_eager_delay_slots): Fix typographical error in comment.
1900 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1902 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1904 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1905 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1907 2001-02-21 Jason Merrill <jason@redhat.com>
1909 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1910 (struct tree_decl): Add uninlinable bitfield.
1911 * c-decl.c (duplicate_decls): Set it.
1912 * integrate.c (function_cannot_inline_p): Check it.
1914 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1915 DW_AT_MIPS_linkage_name to abstract methods.
1916 (dwarf2out_abstract_function): Emit class context before calling
1917 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1918 (gen_subprogram_die): Remove obsolete code.
1919 (gen_member_die): Don't include clones in the member list.
1920 (gen_decl_die): Emit abstract info for clone origin.
1921 * dwarfout.c (output_type): Don't include clones in the member list.
1922 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1923 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1924 DECL_ABSTRACT on a function that already has it set.
1926 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1927 (get_subprogram_die): Pass it in.
1929 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1931 * flow.c (mark_set_1): Make not_dead unsigned long. For
1932 non-pseudos, use it as a bitmask of the hard regs that
1935 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1937 * cppfiles.c: Update comments.
1938 (_cpp_read_file): Don't check for NULL filenames any more.
1939 * cppinit.c (cpp_start_read): Don't do canonicalization of
1940 in_fname and out_fname. Use the passed file name exclusively.
1941 (_cpp_handle_options): Don't treat "-" as a command line option,
1942 but as a normal filename.
1943 (_cpp_post_options): Canonicalize in_fname and out_fname.
1944 * cppmain.c (printer_init): Don't check out_fname for NULL.
1945 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1946 (init_c_lex): Update, and use "" to represent stdin to CPP.
1949 2001-02-20 Will Cohen <wcohen@redhat.com>
1951 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1952 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1953 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1956 2001-02-20 Stan Shebs <shebs@apple.com>
1958 * config/rs6000/rs6000.c (output_cbranch): Output branches
1959 on separate lines instead of using ';' to separate.
1961 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1963 * cppinit.c (set_lang): Move builtin handling to...
1964 (init_builtins): ...here.
1965 (_cpp_create_reader): Move call to set_lang.
1967 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1969 * stmt.c (expand_return): If an attempt is made to return the
1970 error_mar_node, treat the return like a return without a value.
1972 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1974 * sibcall.c (skip_copy_to_return_value): Call
1975 identify_call_return_value here, and return orig_insn if it
1976 returns zero. Hardret and softret arguments now unnecessary.
1977 (call_ends_block_p): Don't call identify_call_return_value here.
1979 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1981 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1982 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1984 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1986 * pa.c (move_operand): Accept code to load the address of a
1987 symbol out of the DLT as a valid move operand.
1988 (print_operand, case 'A'): New to handle generating a DLT
1989 reference for a LO_SUM expression.
1990 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1991 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1993 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1995 * README, cpp.texi, gcc.texi, version.c: Update version number to
1997 * cpp.1, gcov.1, gcc.1: Regenerate.
1999 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2001 * cppfiles.c (stack_include_file): Generate dependencies
2002 here, and manage include_count here too.
2003 (PRINT_THIS_DEP): Delete.
2004 (_cpp_execute_include): Do not generate dependencies here,
2005 apart from the case of a missing header. Do not manage
2007 (_cpp_read_file): Leave dependency generation to
2010 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2012 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2013 target_cpu_default. Remove dead assignment to
2016 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2018 * regclass.c (contains_reg_of_mode): Make global.
2019 (init_reg_sets): Remove contains_reg_of_mode; take into account
2020 CLASS_MAX_NREGS when looking for the proper mode.
2021 (dump_regclass): Dump only classes considered for the pseudo.
2022 (regclass): Use contains_reg_of_mode.
2024 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2026 * gcc.c (do_spec_1): 'n' for printing notices.
2027 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2029 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2031 * reg-stack.c (next_flags_user): Use current_block->end
2032 (swap_rtx_condition): Look for next user if flags don't die;
2033 give up on CALL_INSNs; use current_block->end.
2035 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2037 * sibcall.c (call_ends_block_p): New function.
2038 (optimize_sibling_and_tail_recursive_call): Use it.
2040 2001-02-18 Kazu Hirata <kazu@hxi.com>
2042 * config/h8300/h8300.md: Update copyright.
2043 (andsi3): Do not output an extra newline character.
2045 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2047 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2048 FNDECL may be unused.
2050 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2051 follow jumps after first run.
2052 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2053 it doesn't change any jumps.
2055 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2057 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2058 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2059 (mostlyclean): Corresponding changes.
2060 * rtlanal.c (hard-reg-set.h): Include.
2061 (rtx_unstable_p): Do not treat the argument pointer specially
2062 if it is not a fixed register.
2063 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2065 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2067 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2068 against last real insn in basic block.
2069 Rework to avoid gotos.
2071 * Makefile.in (gcse.o): Now includes ggc.h.
2072 * gcse.c: Include ggc.h.
2073 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2074 (try_replace_reg): Remove warning of uninitialize variable.
2075 (process_insert_insn): Call invalid_insn_p to validate insn.
2076 * recog.c (insn_invalid_p): Now global.
2077 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2078 * recog.h (insn_invalid_p): New declaration.
2080 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2082 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2083 assignments from FP constants since 'Y' output code can't handle it.
2084 (eligible_for_sibcall_delay): Likewise.
2086 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2087 Call fancy_abort directly, passing args.
2088 (print_rtl_and_abort): Now a macro, like fancy_abort.
2090 * final.c (output_operand_lossage): Use internal_error, not error.
2092 2001-02-18 Shane Nay <shane@agendacomputing.com>
2094 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2095 structure shift insns.
2097 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2099 * invoke.texi (-fsquangle): Remove documentation.
2100 (-fname-mangling-version): Likewise.
2102 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2104 * optabs.c (expand_abs): Remove reference to
2105 HAVE_contitional_arithmetic.
2106 * combine.c (simplify_set): Likewise.
2108 2001-02-18 Richard Henderson <rth@redhat.com>
2110 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2113 2001-02-18 Richard Henderson <rth@redhat.com>
2115 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2117 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2119 * reload1.c (reload_cse_simplify_set): Fix typo.
2121 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2123 * diagnostic.c (_fatal_insn): Decrement errorcount.
2125 * invoke.texi (-I): Add note avoiding use for system header files.
2127 * rtl.h (add_clobbers): Remove duplicate declaration.
2128 * recog.h (added_clobbers_hard_reg_p): New declaration.
2129 * genemit.c (struct clobber_pat): New field has_hard_reg.
2130 (gen_insn): Record if added clobbers clobber hard reg.
2131 (gen_split): Avoid unused warning if number of operands is 0.
2132 (output_added_clobbers_hard_reg_p): New function.
2135 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2137 * pa.c (hppa_expand_prologue): Simplify code storing return
2138 pointer. For large (>=8k) frames with a post_store, adjust stack
2139 pointer by 8k-64 first rather than by 64. When testing with
2140 VAL_14_BITS_P, always use the actual value rather than the value
2141 negated. Add blockage to prevent scheduling of spills before
2142 stack frame has been created.
2143 (hppa_expand_epilogue): Simplify code loading return pointer.
2144 Allow a slightly larger range for merge_sp_adjust_with_load case.
2145 When testing with VAL_14_BITS_P, always use the actual value.
2147 * pa.c (pa_adjust_insn_length): Check that block move
2148 pattern is a set before looking at operands.
2150 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2152 * fold-const.c (fold_binary_op_with_conditional_arg): New
2153 function, split out from ...
2155 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2156 conditional arms that throw exceptions.
2158 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2161 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2163 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2164 define HAVE_DECL_* to 1 to mask potential backup declarations.
2165 * configure: Regenerated.
2167 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2169 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2171 2001-02-17 Richard Henderson <rth@redhat.com>
2173 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2174 when replacing a memory load with a register.
2176 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2177 Jan Hubicka <jh@suse.cz>
2179 * recog.c (validate_replace_src_1): New.
2180 (validate_replace_src_data): Likewise.
2181 (validate_replace_src): Use note_uses.
2182 * rtl.h (note_uses): Declare.
2183 * rtlanal.c (note_uses): New.
2185 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2187 * reg-stack.c (stack_def): Make field reg unsigned.
2188 (remove_regno_note): Unsignetize parameter.
2190 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2192 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2193 shladd_operand() call.
2195 2001-02-16 Bruce Korb <bkorb@gnu.org>
2196 Rodney Brown <RodneyBrown@mynd.com>
2198 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2199 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2200 machine restrictions
2201 * fixinc/fixincl.x: regen
2203 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2205 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2207 (hash_scan_insn): Clean up calls to hash_scan_set.
2208 (compute_kill_rd): REGNO now unsigned.
2209 (try_replace_reg): Rework to use simplify_replace_rtx.
2210 (cprop_jump, cprop_cc0_jump): Likewise.
2211 (cprop_insn): Call find_reg_equal_equiv_note.
2212 Reflect changes to cprop_jump and cprop_cc0_jump.
2214 * recog.c (validate_replace_src): Replace in operands of
2215 ZERO_EXTRACT in SET_DEST.
2217 * cse.c (new_label_ref): New variable.
2218 (insert): Set it instead of recorded_label_ref.
2219 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2220 CODE_LABEL for this function, and not already in REG_LABEL note.
2222 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2224 * resource.c (mark_referenced_resources): Fix typo in introductory
2226 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2229 2001-02-16 Jason Merrill <jason@redhat.com>
2231 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2233 (gen_subprogram_die): Don't abort on seeing a second definition if
2234 the previous one was abstract. Don't replace an abstract instance
2235 in the lookup table.
2237 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2238 gen_abstract_function.
2239 * dwarf2out.h: Declare it.
2240 * toplev.c (note_outlining_of_inline_function): New fn.
2241 * toplev.h: Declare it.
2242 * integrate.c (output_inline_function): Call it.
2243 * c-decl.c (duplicate_decls): Call it when redefining an extern
2244 inline. Don't inline the new defn.
2246 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2248 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2250 * .gdbinit: Rename to gdbinit.in.
2251 * gdbinit.in: New file,
2252 * configure.in: Generate .gdbinit from gdbinit.in.
2253 * configure: Regenerated.
2254 * Makefile.in (distclean): Always remove .gdbinit.
2256 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2258 * objc/objc-act.c (start_class): Register implemented_classes with
2261 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2263 * cppfiles.c (_cpp_make_system_header): Generate a file
2266 2001-02-15 Jim Meyering <meyering@lucent.com>
2268 * Makefile.in (install-common): Don't depend on installdirs here.
2269 Instead, make each of the lang.install-common targets (e.g.,
2270 c++.install-common in cp/Make-lang.in) depend on it.
2271 (install-driver): Depend on installdirs.
2273 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2275 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2277 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2280 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2282 * invoke.texi (--param): Document.
2284 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2286 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2288 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2290 * i386.md (extendsfdf2_2): Fix constraints.
2292 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2294 * i386.md (fop_df_3 splitter): Fix operand number.
2296 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2298 * invoke.texi (-mreg-alloc): Nuke.
2299 * i386.c (ix86_reg_alloc_order, regs_allocated,
2300 order_regs_for_local_alloc): Nuke.
2301 (override_options): Kill reg_alloc code.
2302 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2303 (REG_ALLOC_ORDER): SSE goes before I387.
2304 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2305 (ix86_reg_alloc_order): Likewise.
2306 * i386-protos.h (ix86_reg_alloc_order): Kill.
2308 2001-02-14 Richard Henderson <rth@redhat.com>
2310 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2312 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2314 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2316 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2318 * i386-protos.h (ix86_memory_move_cost): Move offline.
2319 * i386.c (ix86_register_move_cost): Compute properly cost of
2320 SSE, MMX and i387 instructions.
2321 (*_cost): Add costs of SSE/MMX moves.
2322 (ix86_memory_move_cost): Move offline from ....; Likewise.
2323 * i386.h (MEMORY_MOVE_COST): .... here;
2324 (struct processor costs): Add new fields to represent costs
2327 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2329 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2330 move_cost together with Matt Kraai's fix.
2332 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2334 * Makefile.in (OBJS): Add params.o.
2336 2001-02-14 Richard Henderson <rth@redhat.com>
2337 DJ Delorie <dj@redhat.com>
2339 * jump.c (jump_optimize_1): When we delete a conditional jump
2340 preceeding a non-conditional jump to effectively the same place,
2341 make sure that the combined jump skips any clobber insns between
2344 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2346 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2348 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2350 * Makefile.in (toplev.o): Depend on params.h.
2351 (intergate.o): Likewise.
2352 (params.o): New target.
2353 * flags.h (inline_max_insns): Remove.
2354 * integrate.c: Include params.h.
2355 Use MAX_INLINE_INSNS instead of inline_max_insns.
2356 * params.c: New file.
2357 * params.h: Likewise.
2358 * params.def: Likewise.
2359 * toplev.c: Include params.h.
2360 (lang_independent_params): New variable.
2361 (decode_f_option): Use the param machinery instead of setting
2363 (independent_decode_option): Handle "--param name=value".
2364 (main): Register language-independent parameters.
2366 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2368 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2370 2001-02-14 Richard Henderson <rth@redhat.com>
2372 * regclass.c (init_reg_sets_1): Revert last two changes.
2374 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2376 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2377 (variable_size): Call put_pending_size.
2378 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2379 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2380 sizes list, put newly created SAVE_EXPR there as well.
2382 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2384 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2385 (errata_find_address_regs): load_group has only 2 entries.
2386 (errata_emit_nops): Likewise. shladd is not problematic.
2387 Clear last_group if nop was emitted.
2388 (fixup_errata): load_group has only 2 entries.
2391 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2393 * c-lex.c (lex_number): Only warn traditionally for U suffix
2394 outside system macros.
2395 * cppexp.c (parse_number): Similarly.
2396 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2397 * cppmacro.c (struct cpp_macro): New member node.
2398 (parse_args): Only warn about missing rest args if not
2400 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2401 (cpp_sys_objmacro_p): New.
2402 (_cpp_create_definition): Store the node with the macro defn.
2403 Remember if the macro is defined in a system header.
2405 2001-02-13 DJ Delorie <dj@redhat.com>
2407 * configure.in (check_languages): determine languages to check
2408 * Makefile.in (check-c++): alias for check-g++
2409 (check-f77): alias for check-g77
2410 (CHECK_TARGETS): depend on configured languages
2412 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2414 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2415 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2416 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2417 (sqrtextendsfdf2): Disable for SSE2.
2419 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2421 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2422 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2423 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2424 (sqrtextendsfdf2): Disable for SSE2.
2426 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2428 * i386.md (movsfcc_1): Support integer cmove instruction.
2429 (movdfcc_1): Likewise; new splitter.
2431 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2433 * i386.c (output_fp_compare): Support SSE.
2434 (prepare_fp_compare_args): SSE comparisons always support memory.
2435 * i386.h (TARGET_CMOVE): SSE imply cmove.
2436 * i386.md (cmp?f2): Enable for SSE too.
2437 (cmpfp_i*): Support SSE.
2439 (cmpfp_i_sse_only): New.
2440 (s*, b* fp expanters): Enable for SSE too.
2441 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2444 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2446 * regclass.c (init_reg_sets_1): Silence warning.
2448 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2450 * i386.md (sqrt?f2): Change to expander.
2451 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2453 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2455 * rtlanal.c (find_reg_equal_equiv_note): New function.
2456 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2457 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2458 * rtl.h: Add declarations for above functions.
2460 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2462 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2464 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2465 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2466 * flow.c (mark_regs_live_at_end): Likewise.
2467 (calculate_global_regs_live): Likewise.
2468 * gcse.c (compute_hash_table): Likewise.
2469 (compute_kill_rd): Likewise.
2470 * resource.c (mark_target_live_regs): Likewise.
2471 * rtl.h (INVALID_REGNUM): New macro.
2473 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2475 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2477 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2479 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2482 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2484 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2486 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2487 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2488 (fop_sf_1_sse, fop_df_1_sse): New patterns
2489 (fop_*): Disable float_extend and float patterns for SSE compilation.
2490 * i386.c (output_387_binary_op): Support SSE.
2492 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2494 * i386.md (dummy_extendsfdf2): Support SSE2
2495 (extendsfdf2): Enable if 80387 or SSE2.
2496 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2497 and no MIX_I387_SSE2
2498 (extendsfdf2_1_sse_only): New pattern.
2499 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2501 (truncdfsf2_1): Support SSE.
2502 (truncdfsf2_2): Support SSE.
2503 (truncdfsf2_2_1_sse): New pattern.
2504 (fixtruncsfsi2): Always use SSE if available.
2505 (fix_truncsfsi_sse): New pattern.
2506 (fix_truncdfsi_sse): New pattern.
2507 (floatsis?f2): Support SSE.
2508 (floatsidf2_i387): New pattern.
2509 (floatsidf2_sse): Likewise.
2511 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2513 * configure.in: Use "have_gnat" variable, not "gnat".
2514 * configure: Regenerated.
2516 * config/sparc/sparc.c (function_value): Treat all non-record
2517 aggregate types like used to treat UNION_TYPE.
2519 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2521 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2522 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2524 (MASK_MIX_SSE_I387): New.
2525 (TARGET_SSE): SSE2 imply SSE.
2526 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2527 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2528 (enum reg_class): Add new classes.
2529 (REG_CLASS_NAMES): Likewise.
2530 (REG_CLASS_CONTENTS): Likewise.
2531 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2532 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2533 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2534 (CLASS_MAX_NREGS): Use new macros.
2535 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2536 * i386.md (pushsf, movsf): Support SSE.
2537 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2538 splitters to use ANY_FP_REGNO_P.
2539 (movdf_nointeger, movdf_integer): Likewise.
2541 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2543 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2544 (try_combine): Use it.
2546 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2548 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2549 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2550 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2551 (REGISTER_MOVE_COST): Likewise.
2552 * i386-protos.h (ix86_secondary_memory_needed,
2553 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2554 * i386.c (ix86_secondary_memory_needed,
2555 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2557 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2559 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2560 (HARD_REGNO_MODE_OK): Move offline to ....
2561 * i386.c (ix86_hard_regno_mode_ok) ... here;
2562 refuse all incorrect modes.
2563 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2565 2001-02-13 Richard Henderson <rth@redhat.com>
2567 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2568 entire operator; replicate that and match_dup the operands.
2569 (cmp_ccx_arith_op_set): Likewise.
2570 (cmp_cc_arith_op_not_set): Likewise.
2571 (cmp_ccx_arith_op_not_set): Likewise.
2573 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2575 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2577 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2579 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2580 (TARGET_NO_BITFIELD_WORD): New macro.
2581 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2582 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2584 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2586 * cselib.c: New file, from simplify-rtx.c.
2587 * simplify-rtx.c: Remove cselib parts.
2588 * Makefile.in: Add cselib.o.
2590 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2592 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2593 (setup_incoming_varargs): Remove warning.
2595 * config/rs6000/rs6000.c (validate_condition_mode): When
2596 flag_fast_math, allow floating-point conditionals to be reversed.
2597 (rs6000_generate_compare): When flag_fast_math, don't generate
2598 cror operations for FP conditionals.
2600 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2602 (ASM_SPEC): Likewise.
2603 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2604 (CC1_SPEC): Likewise.
2605 (LINK_TARGET_SPEC): Likewise.
2606 (CPP_ENDIAN_SPEC): Likewise.
2607 * Makefile.in (check-consistency): New target.
2609 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2611 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2612 "return type defaults" warning for functions with return type
2614 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2615 function declarations by default rather than only when pedantic.
2617 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2619 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2622 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2624 * extend.texi (Deprecated): Deprecate new initializer lists.
2626 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2628 * mkdeps.c (deps_add_default_target): Robustify. Add
2629 basename component only.
2630 * cpp.texi (-M): Describe how default target is generated.
2631 * invoke.texi (-M): Likewise.
2633 2001-02-12 Kazu Hirata <kazu@hxi.com>
2635 * toplev.c (push_float_handler): Remove.
2636 (pop_float_handler): Remove.
2637 * toplev.h: Remove prototypes for the above functions.
2639 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2641 * c-common.c (constant_fits_type_p): New function.
2642 (convert_and_check): Use it.
2644 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2646 * Makefile.in (GXX_ABI_FLAG): Don't define.
2647 * configure.in (--enable-new-gxx-abi): Remove option.
2648 * config.in: Regenerated.
2649 * configure: Likewise.
2651 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2653 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2655 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2656 regular basic block, and arrange for all edges into it to switch
2659 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2661 * Makefile.in (distclean): Do not remove .gdbinit.
2663 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2665 * Makefile.in (gcc.o): Fix typos.
2666 (protize.o): Likewise.
2667 (unprotoize.o): Likewise.
2669 2001-02-11 Richard Henderson <rth@redhat.com>
2671 * tree.c (build1): Check for null operand in last change.
2673 2001-02-11 Richard Henderson <rth@redhat.com>
2675 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2676 (fold): Don't assume a constant isn't foldable.
2677 * tree.c (build): Set TREE_CONSTANT for an expression with no
2678 side-effects and constant operands.
2681 2001-02-10 Richard Henderson <rth@redhat.com>
2683 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2685 2001-02-10 Anthony Green <green@redhat.com>
2687 * cpp.texi (Standard Predefined): Add documentation for
2690 * c-common.c (combine_strings): Improve warning message.
2692 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2694 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2696 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2698 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2700 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2703 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2705 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2708 2001-02-09 Nick Clifton <nickc@redhat.com>
2710 * config/arm/arm.md: Change output contraint on post inc
2711 load/store multiple patterns to be a read/write contraint.
2713 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2715 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2716 .o files when using the -M options.
2718 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2719 David Edelsohn <edelsohn@gnu.org>
2721 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2722 handle DImode constants. Use one TOC entry for SImode and smaller
2723 constants, aligned properly.
2725 2001-02-08 Jason Merrill <jason@redhat.com>
2727 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2728 about the SP adjustment for saving the static chain pointer.
2729 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2730 offset when setting a temporary CFA register.
2732 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2734 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2735 powerpc-*-chorusos* .
2736 * config/rs6000/chorus.h : New file.
2737 * config/i386/chorus.h : New file.
2738 * config/sparc/chorus.h : New file.
2739 * config/sparc/t-chorus-elf : New file.
2741 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2743 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2744 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2745 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2746 (__WCHAR_TYPE__): Correct macro name.
2748 2001-02-08 Richard Henderson <rth@redhat.com>
2750 * config/i386/i386.c (ix86_frame_pointer_required): New.
2751 (ix86_setup_frame_addresses): New.
2752 (struct machine_funciton): Add accesses_prev_frame.
2753 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2754 ix86_frame_pointer_required.
2755 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2756 (SETUP_FRAME_ADDRESSES): New.
2757 * config/i386/i386-protos.h: Update.
2758 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2759 from FRAME_POINTER_REQUIRED.
2760 * config/i386/svr3gas.h: Likewise.
2761 * config/i386/sysv3.h: Likewise.
2762 * config/i386/v3gas.h: Likewise.
2764 2001-02-08 Richard Henderson <rth@redhat.com>
2766 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2767 calculation of the number of integer registers required.
2768 (function_arg_record_value): Likewise.
2770 2001-02-08 Jason Merrill <jason@redhat.com>
2772 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2773 two. Print file and line with "confused" message.
2775 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2777 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2779 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2781 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2783 * final.c (cleanup_subreg_operands): The address of a MEM can
2786 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2789 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2791 * gcc.texi (Incompatibilities): Update documentation of
2792 preprocessing numbers.
2794 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2796 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2798 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2800 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2802 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2803 * gcc.c (struct compiler): Add cpp_spec field.
2804 (input_file_compiler): New variable.
2805 (do_spec_1): Allow a particular compiler to handle `%C'
2807 (main): Store the current compiler in input_file_compiler.
2808 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2810 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2812 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2813 * cppinit.c (cpp_create_reader): Initialize them.
2814 (append_include_chain): cxx_aware arg might be unused.
2815 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2816 keywords and give them their phase 7 meaning. Pedwarn about
2817 this unless '__bool_true_false_are_defined' is defined.
2819 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2821 * lcm.c (optimize_mode_switching): Emit mode_set before the
2822 JUMP_INSN of an abnormal edge.
2824 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2826 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2827 a scheduling barrier at the end.
2829 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2831 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2833 * config/sh/sh.md (reload_outsf): Removed.
2834 (movsf_ie): Introduce constraints for FPUL loads and stores.
2835 (reload_insf): Broaden the output constraint.
2837 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2839 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2840 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2842 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2844 * final.c: Revert my previous changes.
2845 * output.h: Make profile_label_no extern.
2846 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2847 for generating label.
2849 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2851 * config/i386/djgpp.h: Add comments about standard paths.
2852 (MD_EXEC_PREFIX): Undefine before defining.
2853 (MD_STARTFILE_PREFIX): New.
2855 2001-01-30 Bruce Korb <bkorb@gnu.org>
2857 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2858 (load_file): do not rely on load_file_data() to close file pointer
2859 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2860 fixinc/inclhack.def(irix_limits_const): add test_text
2862 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2864 * cppexp.c (parse_defined): Improve diagnostics for invalid
2867 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2869 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2871 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2873 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2874 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2875 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2876 (rs6000_output_symbol_ref): New function.
2877 (output_toc): Use VTABLE_NAME_P.
2879 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2881 * print-tree.c (print_node, case PARM_DECL):
2882 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2884 * stor-layout.c (reference_types_internal): New variable.
2885 (internal_reference_types): New function.
2886 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2887 * tree.h (internal_reference_types): New declaration.
2889 * cse.c (find_best_addr): Fix typo in computing cost.
2891 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2893 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2894 and this is the sum of a pointer and a constant, we know the result
2896 (num_sign_bit_copies, case PLUS): Likewise.
2897 * explow.c (convert_memory_address): Remove opposite SUBREG.
2898 * function.c (instantiate_new_reg): New function (from common code).
2899 (instantiate_virtual_regs_1): Call it.
2900 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2901 if pointers sign- or zero-extend.
2902 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2903 If pointers extend unsigned, use inside of SUBREG.
2904 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2906 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2908 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2909 subdir of gcc_gxx_include_dir.
2910 (gcc_gxx_target_include_dir): Remove.
2912 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2914 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2915 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2916 a high-level description.
2918 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2920 * final.c: Move the declaration of profile_label_no to ...
2921 * output.h: ... here.
2922 * function.c (expand_function_start): Call PROFILE_HOOK.
2923 * config/rs6000/aix.h: Define PROFILE_HOOK.
2924 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2925 * config/rs6000/rs6000.c (output_profile_hook): Define.
2926 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2927 output_profile_hook.
2928 tm.texi : Explain new macro PROFILE_HOOK.
2930 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2932 * extend.texi (Extended Asm): Do not say that semicolon is always
2933 a valid line-breaking character for GNU assemblers. Use
2934 newline-tab as the most commonly supported syntax. Use
2935 newline-tab rather than semicolon in multi-insn examples.
2937 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2939 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2941 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2942 David Edelsohn <edelsohn@gnu.org>
2944 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2945 code for AIX, even without flag_pic.
2947 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2949 * c-typeck.c (common_type): push and pop binding level around
2950 calling common_type on function parameters.
2952 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2954 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2956 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2958 * config/mips/mips.c (override_options): Fix typo in last change.
2959 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2960 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2962 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2964 * invoke.texi (-fdump-class-layout): Document.
2965 (-fdump-translation-unit): Use `=' as filename separator.
2967 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2969 * Makefile.in (s-mlib): Don't build multilibs if
2971 (DRIVER_DEFINES): Adjust accordingly.
2973 (protoize.o): Likewise.
2974 (unprotoize.o): Likewise.
2975 * configure.in: Recognize --enable-multilib.
2977 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2979 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2981 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2982 * configure.in: Remove --enable-libstdcxx_v3 support.
2983 * configure: Regenerated.
2985 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2987 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2988 Call abort instead of fatal.
2989 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2990 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2991 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2992 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2993 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2994 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2996 * diagnostic.h (set_internal_error_function): Renamed.
2997 * toplev.h (internal_error): Renamed from fatal.
2998 (pfatal_with_name): Deleted.
2999 (fatal_io_error): Now has printf-style arguments.
3000 * diagnostic.c (pfatal_with_name): Deleted.
3001 (fatal_io_error): Rework to have args in printf-style.
3002 (set_internal_error_function): Renamed from set_fatal_function.
3003 (internal_error): Renamed from fatal.
3004 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3005 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3006 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3007 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3008 * flow.c (verify_flow_info): Likewise.
3009 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3010 * config/mips/mips.c (save_restore_insns): Likewise.
3012 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3013 * flow.c (verify_flow_info): Likewise.
3014 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3015 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3016 (avr_normalize_condition): Likewise.
3017 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3018 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3019 (limit_reload_class, double_reg_to_memory): Likewise.
3020 (print_operand_address, emit_1600_code_shift): Likewise.
3021 (gen_tst_reg, gen_compare_reg): Likewise.
3022 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3023 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3025 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3027 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3028 * objc/objc-act.c (build_ivar_chain): Likewise.
3029 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3031 * graph.c (clean_graph_dump_file): Likewise.
3032 * profile.c (init_branch_prob): Likewise.
3033 * objc/objc-act.c (objc_init): Likewise.
3035 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3036 * config/avr/avr.c (avr_override_options): Likewise.
3037 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3038 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3039 * config/h8300/h8300.c (h8300_init_once): Likewise.
3040 * config/mips/mips.c (override_options): Likewise.
3041 * config/i386/i386.c (override_options): Likewise, rework.
3042 * config/m68k/m68k.c (override_options): Likewise.
3044 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3046 * config/mips/mips.c (print_operand): Likewise.
3047 * hash.c (hash_allocate): Don't check for failure returns from
3048 obstack functions that can't fail.
3049 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3050 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3051 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3052 (get_object_reference): Likewise.
3054 2001-02-04 Nick Clifton <nickc@redhat.com>
3056 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3057 StrongARM1110, 10TDMI, and 1020T.
3059 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3061 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3063 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3065 * config/sh/sh.md (movdf load split): Pass register number to
3066 FP_OR_XD_REGISTER_P.
3068 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3070 * cppinit.c (BC): New macro.
3071 (builtin_array): Add __GXX_WEAK__.
3072 * cpplib.h (builtin_type): Add BT_WEAK.
3073 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3074 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3075 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3077 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3079 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3081 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3083 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3084 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3086 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3088 * cpphash.h: Rename ALIGN _ALIGN.
3089 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3091 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3093 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3094 compilation environment.
3095 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3096 control over location of cygwin includes and libs.
3098 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3100 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3102 2001-02-02 lars brinkhoff <lars@nocrew.org>
3104 * md.texi (Standard Names): remove reference to spur.md.
3106 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3108 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3109 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3110 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3111 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3112 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3114 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3116 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3117 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3118 number before reload.
3119 (c4x_adjust_cost): Return zero before reload.
3120 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3121 split before reload.
3123 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3125 * c4x.c (c4x_hard_regno_rename_ok): New.
3126 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3127 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3129 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3131 * diagnostic.h: Add missing "extern" in all declarations.
3133 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3135 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3136 as for gcc_gxx_include_dir.
3138 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3140 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3142 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3144 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3145 label before alignment to be used as the braf base address.
3146 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3148 (casesi_jump_2): Require at least TARGET_SH2.
3150 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3151 truncation to 32-bit doubles on -m3e and -m4-single-only.
3153 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3155 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3156 the default when building a shared object.
3157 (init_spec): Use it.
3158 * testsuite/lib/g++.exp: Include the directory where libgcc
3159 is located to the LD_LIBRARY_PATH list.
3160 * invoke.texi (-shared-libgcc): Document the cases in which
3161 GCC defaults to using the shared libgcc.
3163 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3165 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3166 unsigned is wide enough.
3168 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3169 (si_to_float): Likewise.
3170 (float_to_si, float_to_usi): Use BITS_PER_SI.
3172 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3174 * dwarf2out.c: Added explanation of abbreviations.
3175 (def_cfa_1): Added comments listing DWARF2 instructions.
3176 (cfa_temp_reg): Removed in favor of cfa_temp.
3177 (cfa_temp_value): Removed in favor of cfa_temp.
3178 (cfa_temp): New global variable.
3179 (dwarf2out_frame_debug_expr): Added extensive introductory
3180 comments explaining the function's transformations. Revised to
3181 use cfa_temp. Added some rtx checking. Generalize IOR case.
3182 (dwarf2out_frame_debug): Revised to use cfa_temp.
3183 (output_aranges): Cast as "unsigned" to avoid warning.
3184 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3185 explain which instructions must be marked.
3187 2001-02-01 Richard Henderson <rth@redhat.com>
3189 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3192 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3194 * config/sh/crt1.asm (main_k): Modified so that start calls
3195 ___setup_argv_and_call_main.
3197 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3199 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3200 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3201 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3202 * cppmacro.c (builtin_macro): Set builtin flags here.
3203 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3204 (replace_args): Clarify intent.
3205 (cpp_get_token): Macro expansion tokens get the saved flags.
3207 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3210 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3212 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3215 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3217 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3218 returns Pmode pseudo, but we need ptr_mode.
3219 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3220 Remove bogus conversions; use HOST_WIDE_INT for size.
3221 Don't use TARGET if wrong mode.
3223 * config/i386/i386.c (ix86_compute_frame_size): Allow
3224 stack_alignment_needed to be non-default even if size is zero.
3226 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3228 * (hppa_init_pic_save): Emit the pic offset table
3229 reg save after last_parm_insn.
3230 * pa.c (hppa_init_pic_save): New function.
3231 * pa.h (hppa_init_pic_save): Declare.
3232 * pa.md (call, call_value, sibcall, sibcall_value): Use
3233 the above instead of duplicated code.
3235 * pa.c (hppa_encode_label): Correct size of alloca buffer
3236 so we don't overrun it. Correct leading `*' case.
3237 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3238 need to handle `*@'.
3239 (FUNCTION_NAME_P): Likewise.
3241 2001-01-31 Richard Henderson <rth@redhat.com>
3243 * config.gcc (alpha-osf5): Use float-i128.h.
3245 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3246 * config/float-i32.h: Likewise.
3247 * config/float-i64.h: Likewise.
3248 * config/float-sh.h: Likewise.
3249 * config/float-sparc.h: Likewise.
3251 2001-01-31 DJ Delorie <dj@redhat.com>
3253 * expmed.c (extract_bit_field): allow non-integral modes if we
3254 want to extract a whole register from itself.
3256 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3258 * c-typeck.c (set_init_index): If first is equal to last, assume as
3259 if it was not a range at all.
3261 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3263 * config/fp-bit.c: Include tm.h.
3264 (float_to_si): Don't assume SImode is 32-bits wide.
3265 (float_to_usi): Likewise.
3267 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3269 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3271 (typename): Call pending_xref_error after parsing typed_typespecs.
3272 * c-decl.c (lookup_tag): Give error immediately rather than
3273 leaving it pending if the tag of the wrong type is in the same
3275 (xref_tag): Don't pedwarn for forward declarations of enum types
3277 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3280 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3282 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3284 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3286 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3287 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3289 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3291 * cpphash.h (struct cpp_reader): New saved_flags.
3292 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3293 to avoid a paste after a pasted token.
3295 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3297 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3298 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3299 Wtype_MIN instead of LONG_MIN.
3301 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3303 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3305 * fixinc/fixincl.x: Regenerated.
3306 * fixinc/inclhack.def (irix_limits_const): New definition to
3307 convert "const" to "__const" in limits.h.
3309 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3311 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3313 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3315 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3316 when register dies in the insn.
3318 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3320 * diagnostic.c (fatal): Fix word wrap.
3322 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3324 * combine.c (try_combine): Fix SUBREG setting for
3325 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3327 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3329 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3332 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3334 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3336 * toplev.c (decode_W_option): Update warn_larger_than
3337 unconditionally for each processed switch.
3339 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3341 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3343 (hppa_expand_prologue): Delete code to save pic offset table register
3344 in the function prologue.
3345 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3346 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3347 table register at the beginning of the function after the prologue.
3349 2001-01-29 lars brinkhoff <lars@nocrew.org>
3351 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3353 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3354 Jeff Law <law@redhat.com>
3356 * pa.md (return): Revise comment for trivial return.
3357 (return_internal): Non-trivial return pattern for non-PIC code.
3358 (return_internal_pic): Non-trivial return pattern for PIC code.
3359 It uses the PIC register to ensure it is restored after
3361 (epilogue): Generate appropriate return for PIC and non-PIC code.
3363 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3365 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3367 2001-01-29 DJ Delorie <dj@redhat.com>
3369 * combine.c (if_then_else_cond): Pass the correct mode to
3370 operand_subword() for constants.
3372 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3374 * config/i386/cygwin.h: Add w32api to include search. Search different
3375 directories in a cross-build environment.
3377 2001-11-29 Tim Josling <tej@melbpc.org.au>
3379 * tree.h (TYPE_STUB_DECL): Add documentation.
3381 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3383 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3384 (sdbout_field_types): Likwise. Fix use of host_integerp.
3386 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3388 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3391 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3393 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3394 to use flag_gnu_linker.
3396 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3398 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3399 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3401 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3403 * tree.c, tree.h (build_parse_node): Remove; was identical to
3405 * c-lang.c (start_cdtor), objc/objc-act.c
3406 (build_module_descriptor): Use build_nt instead of
3409 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3411 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3412 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3413 not have any upper bits set.
3415 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3417 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3419 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3421 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3423 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3425 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3426 (integer_minus_one_node): Define.
3428 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3430 * Makefile.in (bootstrap2-lean): Fix typo.
3432 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3434 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3435 : Don't set fe_value.
3436 * cpplib.h (AVOID_LPASTE): New flag.
3437 (struct cpp_hashnode): Remove fe_value.
3438 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3439 * cppmacro.c (builtin_macro): Don't set flags here.
3440 (replace_args): Set AVOID_LPASTE flag on first token of an
3441 argument, and the token following it.
3442 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3443 macro expansion, and on the token following it. Do it for
3445 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3447 2001-01-27 Richard Henderson <rth@redhat.com>
3449 * config/alpha/t-ieee: Remove multilibbing.
3450 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3452 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3454 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3456 * Makefile.in: Remove all dependencies on defaults.h.
3457 * builtins.c: Don't include defaults.h.
3458 * c-common.c: Likewise.
3459 * c-decl.c: Likewise.
3460 * c-pragma.c: Likewise.
3461 * c-typeck.c: Likewise.
3462 * combine.c: Likewise.
3464 * frame-ia64.c: Likewise.
3465 * cppexp.c: Likewise.
3466 * crtstuff.c: Likewise.
3467 * dbxout.c: Likewise.
3468 * dwarf2out.c: Likewise.
3469 * dwarfout.c: Likewise.
3470 * emit-rtl.c: Likewise.
3471 * except.c: Likewise.
3473 * final.c: Likewise.
3474 * frame-dwarf2.c: Likewise.
3475 * libgcc2.c: Likewise.
3476 * optabs.c: Likewise.
3477 * profile.c: Likewise.
3478 * sdbout.c: Likewise.
3479 * toplev.c: Likewise.
3480 * tradcif.y: Likewise.
3482 * varasm.c: Likewise.
3484 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3486 * builtins.c (expand_builtin_fputs): Use size_one_node when
3487 transforming into fwrite.
3489 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3491 * extend.texi (Attribute Syntax): New section.
3493 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3495 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3496 they didn't need fixing.
3498 2001-01-27 Janis Johnson <janis@us.ibm.com>
3500 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3502 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3503 to remove macro definitions that are duplicated from elfos.h.
3505 2001-01-27 Richard Henderson <rth@redhat.com>
3507 * config/i386/sco5gas.h: Move ...
3508 * config/usegas.h: ... here.
3509 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3511 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3513 * c-typeck.c (struct constructor_stack): Add range_stack member.
3514 (really_start_incremental_init): Clear it.
3515 (push_init_level): Save constructor_range_stack and clear it if
3516 pushing explicit braces.
3517 (pop_init_level): abort if constructor_range_stack is non-zero at
3518 explicit closing brace. Restore saved constructor_range_stack if
3521 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3523 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3524 into register was forced into memory.
3526 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3528 * Makefile.in: Remove uses of + before $(MAKE).
3530 2001-01-26 Richard Henderson <rth@redhat.com>
3532 * stmt.c (cost_table): Remove.
3533 (COST_TABLE, cost_table_initialized): New.
3534 (estimate_case_costs): Use the later instead of the former.
3535 (balance_case_nodes): Likewise.
3537 2001-01-26 Richard Henderson <rth@redhat.com>
3539 * alias.c (objects_must_conflict_p): Read-only slots may not
3540 conflict despite having the same type.
3542 2001-01-27 Michael Hayes <mhayes@redhat.com>
3544 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3546 (check_ext_dependant_givs): Initialise u_start_val and
3548 (load_mems): Make last_max_reg unsigned.
3549 (try_swap_copy_prop): Use INSN_P and initialise set.
3551 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3553 * README.AVR : Removed.
3555 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3557 * pa-64.h (text_section): Remove declaration.
3559 * pa.md (return_internal): Remove mode on PIC register use.
3561 2001-01-25 lars brinkhoff <lars@nocrew.org>
3563 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3564 ASM_CLOSE_PAREN): fix typos.
3566 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3568 * acconfig.h: Define `const' to the empty string if neither
3569 __STDC__ nor __cplusplus is defined.
3570 * config.in: Regenerated.
3572 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3574 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3575 * collect2.c (main): Delete importf. Add ".obj" file extension.
3576 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3577 (aix_std_libs): Add additional AIX libraries to skip.
3578 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3579 * config/rs6000/aix51.h: New file.
3581 2001-01-25 Michael Hayes <mhayes@redhat.com>
3583 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3584 (loop_insn_emit_before): No longer static.
3585 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3586 (loop_givs_rescan, load_mems): Likewise.
3587 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3588 (maybe_eliminate_biv_1):
3589 (move_movables): Replace emit_call_insn_before with
3590 loop_call_insn_hoist.
3591 * loop.h (loop_insn_emit_before): Add.
3592 * unroll.c (copy_loop_body): Replace emit_insn_before with
3593 loop_insn_emit_before.
3595 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3597 * diagnostic.c (fatal): Request preprocessed source.
3599 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3601 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3602 olddecl has argument types and newdecl has none, use the argument
3605 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3607 * dwarf2out.c (prefix_of): New function. Determine longest common
3608 prefix of the two arguments. The units are whole path components.
3609 (output_file_names): When adding a new directory find the one entry
3610 with the longest common prefix already in the list. Artificially
3611 generate entry if there is none for this prefix.
3612 Fix test to check whether the zeroth directory entry is used.
3614 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3616 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3617 Changed all callers. Take it into account when deciding if a
3618 previously loaded value matches.
3620 2001-01-24 Richard Henderson <rth@redhat.com>
3622 * reload.c (find_reloads_subreg_address): Fail the substitution
3623 if the resulting address is insufficiently aligned.
3625 2001-01-24 DJ Delorie <dj@redhat.com>
3627 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3628 check the original operand's mode also.
3629 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3631 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3633 * c-parse.in (cast_expr): Move compound literals from here ...
3634 (primary): ... to here. Use standard terminology "compound
3635 literal" instead of "constructor expression".
3637 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3639 * gcc.1, cpp.1: Regenerate.
3641 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3643 * calls.c (emit_library_call_value_1): Memory slot for
3644 pass-by-reference argument should have the mode of the argument,
3645 not of the pointer to it.
3647 2001-01-24 Tom Tromey <tromey@redhat.com>
3649 * gcc.texi (G++ and GCC): Mention gcj manual.
3650 (Standards): Link to section of manual mentioning gcj/Java
3653 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3655 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3656 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3657 * tradcpp.c (main): Add -imacros or -include'd dependencies
3659 * cpp.texi (-M, -MM): Document -M -include behaviour.
3661 2001-01-24 Roger Collins <roger@ProProject.com>
3663 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3665 2001-01-24 Will Cohen <wcohen@redhat.com>
3667 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3668 whether registers are 32 bits or 64 bits in size.
3670 2001-01-24 Ben Elliston <bje@redhat.com>
3672 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3674 2001-01-24 Richard Henderson <rth@redhat.com>
3676 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3677 (builtin_longjmp): Use it instead of emit_indirect_jump.
3679 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3681 * bb-reorder.c (make_reorder_chain_1): Handle case where
3682 jump edge goes to the same block as the fallthru edge.
3684 2001-01-23 Jim Wilson <wilson@redhat.com>
3686 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3687 * frame.h (__ia64_personality_v1): Add prototype.
3688 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3689 prototype form. Add void * cast to first argument to personality
3691 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3692 (asctoe113): Likewise.
3693 * config/ia64/frame-ia64.c: Include eh-common.h.
3694 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3696 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3698 (itanium_split_issue): Add prototype.
3699 (gen_nop_type): Ifdef out.
3700 (find_best_packet): Initialize best_packet.
3701 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3703 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3704 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3705 (flushrs): Add explicit stop bit at end.
3706 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3709 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3711 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3713 * libgcc2.c (__terminate_func): Make variable static.
3714 (__terminate_set_func): New function to set __terminate_func.
3715 * libgcc2.h (__terminate_func_ptr): New typedef.
3716 (__terminate_set_func): New function.
3718 2001-01-23 Richard Henderson <rth@redhat.com>
3720 * flow.c (init_propagate_block_info): Don't consider unchanging
3721 memories for dead frame store elimination.
3723 2001-01-23 Richard Henderson <rth@redhat.com>
3725 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3726 * defaults.h: ... here.
3728 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3730 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3732 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3734 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3736 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3738 * rs6000.h (rs6000_return_addr): Move prototype from here...
3739 * rs6000-protos.h (rs6000_return_addr): ...to here.
3740 (rs6000_init_expanders): Delete prototype.
3742 2001-01-23 Nick Clifton <nickc@redhat.com>
3744 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3745 (Spec Files): Document %B and %j and %. and %v3 and %M and
3746 %{S*&T} spec switches.
3748 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3750 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3752 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3753 Neil Booth <neil@daikokuya.demon.co.uk>
3755 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3756 Have -Werror make pedantic warnings errors, like the
3759 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3761 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3763 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3765 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3766 * integrate.c (expand_inline_function): Initialize them.
3767 (subst_constants): If changing COMPARE so that both its arguments
3768 will be VOIDmode and the comparison mode will be lost, note
3769 compare_mode. Use the recorded compare_mode to optimize
3772 2001-01-23 Jason Merrill <jason@redhat.com>
3774 * dwarf2out.c (new_die): Use xcalloc.
3775 (output_die): Abort rather than emit a local reference to offset 0.
3777 2001-01-17 Andrew Haley <aph@redhat.com>
3779 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3780 of a saved register; return NULL instead.
3781 (copy_reg): Take a pointer to a source register rather than a
3783 (next_stack_level): Remember the address in the stack frame of all
3785 Use the saved register pointer array as the source of the CFA.
3786 (throw_helper): Rewrite. Unwind once rather than twice and keep
3787 track of saved registers as we go.
3789 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3791 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3792 * c4x.c (c4x_legitimize_reload_address): Remove.
3793 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3794 reload address for ldp(k) insn.
3796 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3798 * pa.md (return_internal): Add a USE of the PIC register to ensure
3799 it is restored after each call.
3800 (return expander): Corresponding changes.
3802 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3804 * rs6000.h (INIT_EXPANDERS): Delete.
3805 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3806 * rs6000.c (rs6000_override_options): Call *_machine_status from
3808 (rs6000_init_expanders): ...instead of here. Delete.
3809 (rs6000_mark_machine_status): New function.
3810 (rs6000_init_machine_status): Use xcalloc.
3811 (rs6000_return_addr): Generate RTX for the return address.
3812 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3813 (rs6000_stack_info): Use it.
3815 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3817 * gthr-win32.h: Include errno.h to get a declaration for
3818 EINVAL and _mingw.h if the target is mingw32.
3820 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3822 * cpp.texi: Correct typos.
3824 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3826 * explow.c (probe_stack_range): Ensure value passed to
3827 stack_check_libfunc is ptr_mode, not Pmode.
3829 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3831 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3832 case, don't use operand_subword to calculate a SUBREG that is
3835 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3837 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3839 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3840 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3841 valid. If not replace it by equivalent insns.
3843 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3845 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3846 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3847 (c4x_U_constraint, symbolic_address_operand): Likewise.
3848 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3850 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3851 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3852 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3853 anulling slot because of silicon bug.
3854 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3856 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3858 * cppexp.c (parse_charconst): Change `mask' type to agree
3861 2001-01-21 Richard Henderson <rth@redhat.com>
3863 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3864 pic_label_name in a linkonce section.
3866 2001-01-17 Philipp Thomas <pthomas@suse.de>
3868 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3870 * configure: Regenerate.
3872 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3874 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3875 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3877 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3879 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3880 If REVERSE nonzero then condition code in X must be reversed.
3881 (encode_section_info): Optimise if/else.
3882 (avr_function_value): Fix formatting.
3884 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3885 (difficult_branch): Likewise.
3886 (rvbranch): Likewise.
3887 (difficult_rvbranch): Likewise.
3889 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3891 * config/avr/libgcc.S: Fix comment.
3893 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3895 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3897 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3899 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3901 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3903 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3904 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3905 * configure, config.in: Regenerate.
3906 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3907 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3908 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3909 (doprint.o): New rule.
3911 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3913 * c-typeck.c (digest_init): Handle boolean types as scalars.
3915 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3917 * stmt.c (expand_return): Don't return anything if size is zero.
3918 Delete redundant assignment to BYTES.
3919 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3921 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3923 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3924 the same as the default library function names.
3925 * config/avr/avr.md: Document special characters after '%'.
3926 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3927 knowing which of the call-used registers are really clobbered.
3928 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3929 New. Both quotient and remainder from one libgcc.S call.
3930 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3931 clobber as few registers as possible.
3932 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3934 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3936 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3937 context of the top of the stack.
3939 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3941 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3942 (fixup_var_refs_insns): ...here.
3944 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3946 * function.c (fixup_var_refs_insns): Break up into
3947 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3948 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3949 [loop over hash table entries].
3950 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3951 fixup_var_refs_insns_with_hash, to match above changes.
3953 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3955 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3956 (libgcc.a): Likewise.
3957 (stmp-multilib): Likewise.
3958 (STAGE2_FLAGS_TO_PASS): Likewise.
3960 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3962 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3963 temporary if no_new_pseudos.
3965 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3967 * cppinternals.texi: Update.
3969 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3971 * arm.c (arm_init_builtins): Re-enable builtins.
3973 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3975 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3976 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3977 element to be null, and always expect an EXPR_LIST.
3978 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3979 * sched-deps.c (sched_analyze_1): Likewise.
3980 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3982 * regclass.c (max_set_parallel): New variable.
3983 (reg_scan): Take it into account in computation of max_parallel.
3984 (reg_scan_mark_refs, case SET): Compute it.
3986 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3988 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3989 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3991 2001-01-19 Jason Merrill <jason@redhat.com>
3993 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3994 for the abstract instance of an inline function.
3996 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3997 J"orn Rennecke <amylaar@redhat.com>
3999 * reload1.c (move2add_note_store): Treat all registers directly or
4000 indirectly derived from a base register as members of the same set
4002 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4003 of base register into account.
4005 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4007 * alias.c (find_base_value): Recognize TRUNCATE.
4008 (record_set): In PLUS case, invalidate if other summand is also a
4011 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4013 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4014 entry to be EXPR_LIST.
4015 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4016 be an EXPR_LIST (but not null, which other code doesn't allow).
4017 (note_stores): Properly handle PARALLEL in SET.
4018 Recursively call for top-level PARALLEL.
4019 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4020 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4022 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4024 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4026 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4027 not pfile->skipping (== 0).
4029 2001-01-17 Nick Clifton <nickc@redhat.com>
4031 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4034 2001-01-17 Jim Wilson <wilson@redhat.com>
4036 * invoke.texi (IA-64 options): Improve.
4038 2001-01-17 Tom Tromey <tromey@redhat.com>
4040 * invoke.texi (Optimize Options): Use `{}' to around @samp
4043 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4045 * invoke.texi (-fno-guess-branch-probability): New option.
4047 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4049 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4050 case of making new double-word constant.
4051 Revert last change: instead just test i3_subst_into_i2.
4053 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4055 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4056 Use q constraints instead of r.
4058 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4060 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4061 (machine_function): Define.
4062 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4063 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4064 pa_free_machine_status): New functions.
4065 (override_options): Set {init,mark,free}_machine_status to above.
4066 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4067 PIC_OFFSET_TABLE_REGNUM_SAVED.
4068 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4069 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4070 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4071 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4072 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4074 2001-01-15 DJ Delorie <dj@redhat.com>
4076 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4080 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4082 * flow.c (propagate_on_insn): Make trying to delete a prologue
4083 or epilogue insn an ICE, not a warning. Allow doing this if
4084 the current function returns with stack pointer depressed.
4086 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4087 I3 having more than one SET.
4089 2001-01-16 Jim Wilson <wilson@redhat.com>
4091 * invoke.texi: Document IA-64 options.
4093 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4094 (fixup_errata): Delete TARGET_A_STEP use.
4095 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4096 (TARGET_SWITCHES): Delete -ma-step option.
4097 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4098 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4099 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4100 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4101 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4102 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4104 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4105 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4106 cmovsi_internal): Delete ! TARGET_A_STEP check.
4108 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4110 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4111 possibility to report bugs via postal mail. Change a URL and
4112 merge in a nearly duplicate statement...
4113 (Bug Reporting): ...from here.
4114 (Service): Refer to the Bug Reporting section instead of
4116 (Contributing): Remove trivial explanations concerning snapshots.
4118 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4120 * cppmain.c (general_init): Don't use ANSI prototype.
4122 2001-01-16 Tom Tromey <tromey@redhat.com>
4124 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4126 2001-01-16 Richard Henderson <rth@redhat.com>
4128 * config/i386/i386.h: Fix comment typo.
4129 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4130 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4132 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4134 * gcc.c: Revert previous -fsyntax-only-related change; move
4137 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4139 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4140 inmode after checking GET_CODE (op).
4142 2001-01-16 Richard Henderson <rth@redhat.com>
4144 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4145 (MAX_MEM_SET_LIST_LEN): New.
4146 (propagate_one_insn): Update mem_set_list_len.
4147 (invalidate_mems_from_autoinc): Likewise.
4148 (invalidate_mems_from_set): Likewise.
4149 (mark_used_regs): Likewise.
4150 (init_propagate_block_info): Likewise. Stop collecting memories
4151 when we reach MAX_MEM_SET_LIST_LEN.
4152 (mark_set_1): Likewise.
4154 2001-01-16 Richard Henderson <rth@redhat.com>
4156 * unroll.c (precondition_loop_p): Fail if no iteration
4159 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4161 * gcc.c: When -fsyntax-only is given, do not complain about
4164 2001-01-15 Richard Henderson <rth@redhat.com>
4166 * config/i386/i386.c (asm_output_function_prefix): Remove.
4167 (ix86_asm_file_end): New.
4168 (load_pic_register): Generate pic_label_name into a
4169 staticly allocated buffer.
4170 * config/i386/i386-protos.h: Update.
4171 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4172 (ASM_FILE_END): New.
4173 * config/i386/i386afe.h: New file.
4174 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4175 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4176 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4177 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4178 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4179 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4180 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4182 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4184 * Makefile.in (install-man): Remove explicit dependency on
4187 * configure.in, configure: Revert previous patch requiring perl
4190 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4192 * toplev.c (flag_guess_branch_prob): New.
4193 (f_options): Add guess-branch-probability option.
4194 (rest_of_decl_compilation): Only estimate branch probability if
4196 (main): set flag_guess_branch_prob.
4198 * flags.h (flag_guess_branch_prob): New.
4200 2001-01-15 DJ Delorie <dj@redhat.com>
4202 * gcc.texi (Makefile): Add documentation for Makefile targets.
4204 2001-01-15 Philip Blundell <philb@gnu.org>
4206 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4208 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4209 (is_pic): Delete declaration.
4210 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4211 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4212 * config/arm/arm.md (builtin_setjmp_receiver): New.
4214 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4216 * arm.c (use_return_insn): Don't try to determine the function type
4217 until after reload has completed.
4218 (arm_output_epilogue): Don't adjust the sp value recovered from the
4220 (emit_multi_reg_push): Don't record dwarf information for the pc.
4221 * arm.md (eh_epilogue): The function type may have changed, so it
4222 needs to be recalculated.
4223 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4224 unwind tables on arm/netbsd.
4226 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4228 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4229 (negated_cbranchsi4): Likewise.
4231 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4233 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4234 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4235 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4236 pass -mapcs-* options to assembler.
4237 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4238 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4239 (ASM_SPEC): Call subtarget_extra_asm_spec.
4241 2001-01-15 Andreas Jaeger <aj@suse.de>
4243 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4245 (ix86_expand_builtin): Likewise.
4247 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4248 warning about comparison between signed and unsigned.
4250 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4252 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4254 2001-01-14 Ralf Baechle <ralf@gnu.org>
4256 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4257 SUBTARGET_CPP_SPEC apropriatly.
4259 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4261 * varasm.c (make_decl_rtl): Fix typo in last change.
4263 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4265 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4266 linker supports the init_priority C++ attribute.
4267 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4268 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4269 linker does not support init_priority C++ attribute.
4271 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4273 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4275 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4277 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4278 * cp/lex.c (finish_parse): Similarly.
4279 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4280 Return the number of errors encountered.
4281 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4282 * cppmain.c (main): Don't call cpp_destroy.
4284 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4286 * configure.in: Require at least perl 5.6.0 to regenerate
4288 * configure: Regenerate.
4290 2001-01-14 Richard Henderson <rth@redhat.com>
4292 * genrecog.c (DT_veclen_ge): New.
4293 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4294 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4295 (nodes_identical_1): Handle DT_veclen_ge.
4296 (write_cond, debug_decision_2): Likewise.
4298 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4300 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4302 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4304 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4306 * cppmain.c (do_preprocessing): New function; most of the old
4308 (main): Call it to do most of the work.
4309 (cb): Move from global scope to set_callbacks ().
4310 (setup_callbacks): Get the callback pointer.
4311 (general_init, printer_init): Clean up code and comments.
4313 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4315 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4318 2001-01-14 Kazu Hirata <kazu@hxi.com>
4320 * config/h8300/h8300.c (get_shift_alg): Update comments.
4322 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4324 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4325 (alloc_page, ggc_alloc): Add casts to remove warnings.
4327 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4329 * combine.c (simplify_comparison): Don't change `code' when
4330 can't reverse comparison.
4332 2001-01-14 Richard Henderson <rth@redhat.com>
4334 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4335 update all call sites. Return true for all non-label constants.
4337 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4339 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4341 (ix86_expand_branch): Update.
4342 (ix86_expand_setcc): Update to handle multiple test conditions.
4343 (expand_int_movcc): Likewise.
4344 (expand_fp_movcc): Likewise.
4345 * i386-protos.h (ix86_expand_compare): New.
4346 * i386.md (andqi_?_slp, orqi_?_slp): New.
4347 (conditional trap expander): Update call to ix86_expand_compare.
4349 2001-01-14 Richard Henderson <rth@redhat.com>
4351 * config/vax/vax.md: Use nonimmediate_operand instead of
4352 general_operand in destinations.
4354 * config/vax/vax.md (indirect_jump): Use register_operand.
4356 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4357 * config/vax/vax.md (call_pop): Turn into an expander.
4358 (call_value_pop): Likewise.
4359 (call, call_value): New.
4361 2001-01-14 Andreas Jaeger <aj@suse.de>
4363 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4365 (ix86_fp_compare_mode): Add unused attribute.
4366 (ix86_expand_fp_movcc): Remove unused variable.
4367 (ix86_expand_builtin): Make fcode unsigned.
4369 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4370 (expand_expr): Add cast to avoid signed warning.
4371 (store_field): Likewise.
4372 (store_constructor_field): Likewise.
4373 (store_constructor): Likewise.
4374 (store_expr): Likewise.
4375 (clear_storage): Likewise.
4376 (emit_group_store): Likewise.
4377 (emit_group_load): Likewise.
4379 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4381 * c-common.c: Move format checking code to ...
4382 * c-format.c: ... here. New file. Reorder some functions and
4384 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4386 * c-common.h (decl_handle_format_attribute,
4387 decl_handle_format_arg_attribute): Declare.
4388 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4389 (c-common.o): Adjust dependencies.
4390 (c-format.o): New list of dependencies.
4392 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4394 * unroll.c (loop_iterations): If we cannot prove iteration variable
4395 is set once in each iteration, punt.
4397 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4399 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4400 (*strlenhi): Remove clobber (which was buggy) of output address.
4402 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4404 * Makefile.in (generated-manpages): Add gcc.1
4405 ($(srcdir)/gcc.1): New target.
4406 (maintainer-clean): Delete $(srcdir)/gcc.1.
4407 * gcc.texi: Add macros @gccoptlist and @gol.
4408 * invoke.texi: Include option summary in manpage. Mark up option
4409 summary with @gccoptlist and @gol. Use @r in one place where
4411 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4412 * gcc.1: Generate from invoke.texi.
4414 2001-01-13 Richard Henderson <rth@redhat.com>
4416 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4417 (struct page_entry): Add group member.
4418 (struct page_group): New.
4419 (struct globals): Add page_groups member.
4420 (alloc_anon): Only define for using mmap; remove valloc call.
4421 (page_group_index): New.
4422 (set_page_group_in_use): New.
4423 (clear_page_group_in_use): New.
4424 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4425 (free_page, release_pages): Likewise.
4426 * configure.in (with-gc): Default to ggc-page always.
4428 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4430 * reload1.c (replace_pseudos_in_call_usage): Use
4431 reg_equiv_constant and reg_equiv_address, and don't try
4432 regno_reg_rtx first.
4434 2001-01-13 Richard Henderson <rth@redhat.com>
4436 * ggc-page.c (alloc_page): Round up allocation size to one page.
4437 Set e->order on extra pages.
4439 2001-01-13 Richard Henderson <rth@redhat.com>
4441 * genrecog.c (nodes_identical): Expand commentary.
4442 (write_switch): Watch out for identical nodes.
4444 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4446 * cppfiles.c (_cpp_fake_include): New function.
4447 * cpphash.h (_cpp_fake_include): New.
4448 * cpplib.c (do_line): Call _cpp_fake_include when entering
4449 header files in preprocessed input.
4450 * cppmain.c (cb_pragma_implementation): Remove handling.
4451 (setup_callbacks): Don't register pragmas.
4453 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4455 * extend.texi: Udate for CPP.
4457 2001-01-13 Andreas Jaeger <aj@suse.de>
4459 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4461 * regmove.c: Add prototype for replace_in_call_usage.
4463 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4465 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4466 struct cpp_chunk, struct htab, struct toklist,
4467 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4468 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4469 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4470 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4471 (struct macro_args): Delete.
4472 * cpphash.h: See above.
4474 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4476 * cppmain.c (struct printer): Remove no_line_dirs.
4478 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4479 : Use options rather than CPP_OPTION.
4480 (setup_callbacks): Use cb rather than pfile->cb.
4481 (main): No need to check for a buffer. Use cpp_errors.
4482 (printer_init): Don't set no_line_dirs.
4483 (maybe_print_line): Use options not no_line_dirs.
4484 (cb_file_change): Don't call print_line if -P.
4486 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4488 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4490 * c-parse.in (finish_parse): Use cpp_errors.
4491 (__yylex): Use return value of cpp_pop_buffer.
4492 * cp/lex.c (finish_parse): Use cpp_errors.
4493 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4495 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4497 * README.AVR: URLs corrected.
4499 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4501 * c-decl.c (start_function): Don't warn if old prototype is builtin
4502 that's not in C's namespace.
4503 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4504 (_bb): Add prototype for ctime.
4505 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4507 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4509 * i386.c (ix86_fp_comparison_arithmetics_cost,
4510 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4511 ix86_fp_comparison_cost): New functions.
4512 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4513 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4514 two-branch sequences; make static.
4515 (ix86_use_fcomi_compare): Do decision according to the costs.
4516 (split_fp_branch): New.
4517 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4518 * i386-protos.h (ix86_expand_fp_compare): Remove
4519 (ix86_split_fp_branch): Declare.
4521 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4522 and ix86_comparison_operator.
4524 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4527 * i386.c (put_condition_code): Output properly the unordered/ordered
4528 compares in fp case.
4529 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4531 * tm.texi (REVERSE_CONDITION): Document.
4532 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4533 in -ffast-math mode.
4534 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4536 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4538 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4540 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4543 * config/sh/sh.c (mova_p): Fix test for mova_const.
4545 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4547 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4548 cpp_get_options rather than dereferencing pfile and using
4550 * scan-decls.c (scan_decls): Use return value of
4551 cpp_pop_buffer rather than CPP_BUFFER.
4553 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4555 * cppinit.c (cpp_handle_option): help_only is now part of the
4556 cpp_options structure.
4557 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4558 cpp_set_callbacks): New functions.
4559 * cpplib.h (cpp_callbacks): Break out as a named structure.
4560 (cpp_options): Move help_only here from cpp_reader.
4561 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4562 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4563 cpp_set_callbacks): New prototypes.
4564 * cppmain.c (main): Update for help_only.
4566 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4568 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4569 Also build and remove and install and uninstall c-tree.info and
4571 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4572 ($(srcdir)/cppinternals.info): New target.
4573 * c-tree.texi: Change file name used when makeinfo used without -o
4574 from ir.info to c-tree.info. Add info directory entry.
4575 * cppinternals.texi: Add info directory entry.
4576 * .cvsignore: Update.
4578 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4580 * c-typeck.c (store_init_value): Don't require constant initializer
4581 elements with -pedantic -std=c99.
4582 (digest_init): Change error about non-constant initializer elements
4584 (constructor_range_end): Remove.
4585 (constructor_incremental, designator_depth,
4586 designator_errorneous): New variables.
4587 (struct constructor_stack): Remove range_end, add incremental.
4588 (struct constructor_range_stack, constructor_range_stack): New.
4589 (struct initializer_stack): Add constructor_range_stack.
4590 (finish_init): Set it.
4591 (start_init): Likewise. require_constant_elements for non-static
4592 trees only if not flag_isoc99.
4593 (really_start_incremental_init): Remove constructor_range_end, add
4594 constructor_incremental.
4595 (pop_init_level): Likewise.
4596 (push_init_level): Likewise. If implicit and the subobject had some
4597 value set already, preinitialize the level with it.
4598 Warn about missing braces only if not pushing due to designators.
4599 (set_designator, push_range_stack): New functions.
4600 (set_init_label): Use them.
4601 (set_init_index): Likewise. Remove constructor_range_end.
4602 Error if designator index is outside of array bounds.
4603 (add_pending_init): Compare values of purpose index trees, not the
4604 trees themselves. Allow overwriting of already initialized element.
4605 Issue a warning if it had side-effects.
4606 (set_nonincremental_init, set_nonincremental_init_from_string): New
4608 (pending_init_member): Rename to...
4609 (find_init_member): ...this function. Call set_nonincremental_init
4610 if necessary. Compare values of purpose index trees, not the trees
4611 themselves. Return the actual value, not just non-zero if something
4613 (output_init_element): Remove checks for duplicates.
4614 If field has zero size, only check the initializer for correctness.
4615 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4616 if constructor_incremental is zero. Change error about initializers
4617 not computable at load time into pedwarn.
4618 (output_pending_init_elements): Compare bit positions, not
4619 FIELD_DECLs to take into account zero-sized fields.
4620 (process_init_element): Use constructor_range_stack to fill all
4621 ranges in the designator lists from current level up.
4622 * extend.texi: Update documentation for labeled elements.
4624 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4626 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4627 to function usage for arguments passed by reference. Optimize
4628 callee-copied arguments.
4629 * regmove.c (replace_in_call_usage): New function.
4630 (fixup_match_1): Call it.
4631 * cse.c (cse_insn): Canonicalize registers in function usage.
4632 * reload1.c (replace_pseudos_in_call_usage): New function.
4635 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4638 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4640 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4643 2001-01-12 DJ Delorie <dj@redhat.com>
4645 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4646 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4649 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4651 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4652 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4653 -std options alongside references to -ansi. Update some
4654 documentation for C99.
4655 * cpp.1: Regenerate.
4657 2001-01-12 Andreas Jaeger <aj@suse.de>
4659 * haifa-sched.c (restore_line_notes): Remove argument block B
4661 * sched-ebb.c (schedule_ebb): Change caller.
4662 * sched-rgn.c (schedule_region): Likewise.
4663 * sched-int.h (restore_line_notes): Adjust prototype.
4665 * loop.h: Remove wrong declaration of doloop_condition_get.
4667 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4669 * extend.texi: Move C++-extension-related node from the C section
4670 into the C++ section.
4672 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4674 * extend.texi: Refer to an array of pointers to functions instead
4675 of one of functions.
4677 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4678 Jan Hubicka <jh@suse.cz>
4680 * combine.c (reversed_comparison): Fix typo in last patch.
4682 (combine_reversed_comparison_code): Make static to follow
4683 prototype declaration.
4685 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4687 * install.texi: Remove misplaced duplicate entry.
4689 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4691 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4693 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4695 * final.c: (leaf_function_p): Fix typo.
4697 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4699 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4700 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4702 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4703 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4704 mmap_anon, and valloc is available.
4705 * ggc-page.c: Restructure ifdef logic to match new autoconf
4706 spec. Don't throw away the test page in init_ggc.
4708 * configure, config.in: Regenerate.
4710 2001-01-12 Michael Hayes <mhayes@redhat.com>
4712 * loop.h (total_biv_increment): Constify iv_class pointer.
4713 (struct induction): Replace `mem_mode' with `mem' rtx.
4714 * unroll.c (total_biv_increment): Constify iv_class pointer.
4715 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4716 (find_mem_givs, combine_givs_p): Likewise.
4717 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4719 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4721 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4723 (__gthread_getspecific): Ditto.
4725 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4727 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4728 put_condition_code): Convert fp comparison codes to integer
4730 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4733 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4734 * i386-protos.h (no_comparison_operator): Kill.
4736 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4738 * combine.c (REVERSIBLE_CC_MODE): Remove.
4739 (reversible_comparison_p): Remove.
4740 (combine_reversed_comparison_code): New.
4741 (reversed_comparison): New.
4742 (combine_simplify_rtx): Use
4743 combine_reversed_comparison_code/reversed_comparison instead
4744 of reversible_comparison_p.
4745 (simplify_if_then_else): Likewise.
4746 (simplify_set): Likewise.
4747 (simplify_logical): Likewise.
4748 (if_then_else_cond): Likewise.
4749 (known_cond): Likewise.
4750 (simplify_comparison): Likewise.
4752 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4754 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4755 sizeof (int) is larger than sizeof(__word__).
4757 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4759 * cppinit.c (do_includes): Fix typo.
4761 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4763 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4764 in S_REGS does not occur because not all sources are possible
4765 when a S_REGS is a destination (sometimes needs a clobber).
4766 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4767 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4768 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4769 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4770 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4771 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4772 (lshrdi_const1, lshrsi3_const16): Likewise.
4773 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4774 (*movhi_68hc12, *movqi_68hc12): Likewise.
4775 (movstrictqi): Make sure reloading in D_REGS as a destination
4778 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4780 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4782 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4784 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4785 -D, -U and -A, and don't initialize the builtins.
4786 (do_includes): Error if -include or -imacros with -fpreprocessed.
4787 * cppmain.c (cb_define, cb_undef): Unconditionally process
4789 * tradcpp.c (main): Fix typo.
4791 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4793 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4794 (read_name_map): Use IS_ABSOLUTE_PATH.
4795 * tradcpp.c (get_filename): Likewise.
4797 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4799 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4800 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4801 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4802 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4803 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4804 (cmphi_z_used): Don't use '@' for the output.
4805 (tstqi_z_used): Likewise.
4806 (cmpqi_z_used): Likewise.
4807 (one_cmplsi2): Likewise.
4809 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4811 * config/sh/sh.c (barrier_align): Recognize branch around far
4812 branch and redundant insn.
4814 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4816 * invoke.texi: Restore documentation of the drivers' switches -MD
4819 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4821 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4823 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4824 check-objc//%): Support parallel testing of multilibs.
4825 (TESTSUITEDIR): Set to testsuite by default, but override for
4827 (check-gcc, check-g++, check-g77, check-objc): Enter
4830 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4832 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4833 * sched-deps.c (deps_may_trap_p): Likewise.
4834 * basic-block.h: Remove a comment.
4835 * flow.c (PROP_POSTRELOAD): Remove.
4836 (update_life_info): Don't add it to prop_flags.
4837 (mark_set_1): Lose the code that was enabled by it.
4839 2001-01-11 Michael Hayes <mhayes@redhat.com>
4841 * flow.c (flow_call_edges_add): New.
4842 * basic_block.h (flow_call_edges_add): New.
4844 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4846 * reload1.c (move2add_note_store): Update reg_set_luid even if
4847 base reg remains the same.
4849 2001-01-10 Nick Clifton <nickc@redhat.com>
4851 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4852 machine_function structure to zero.
4853 Add prototypes for machine_status functions.
4855 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4857 * c-common.h (CTI_VOID_LIST): Remove.
4858 (void_list_node): Likewise.
4859 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4860 (void_list_node): New macro.
4861 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4862 * config/i386/i386.c (ix86_init_builtins): Likewise.
4863 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4865 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4867 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4868 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4870 * tradcpp.c: Include mkdeps.h.
4871 (deps, print_deps_phony_targets, deps_append, output_deps,
4872 init_dependency_output, output_deps): New.
4873 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4874 deps_output): Delete.
4875 (print_deps_missing_files): Rename deps_missing_files.
4876 (inhibit_output): Make global.
4877 (main): Delete inhibit_output, deps_stream, deps_target.
4878 Use mkdeps functionality in the same way as cpplib. Remove
4879 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4880 -M and -MM. Remove old handling of deps via deps_out, and
4881 old reading of environment variables.
4882 (get_filename): Update to use deps_add_dep.
4884 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4886 * output.h (make_function_rtl): Remove prototype.
4887 (make_decl_rtl): Likewise.
4888 * varasm.c (make_function_rtl): Remove.
4889 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4890 than from a third parameter.
4891 * tree.h (make_decl_rtl): Remove last parameter.
4892 * c-decl.c (builtin_function): Remove last argument in call to
4893 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4894 (start_function): Likewise.
4895 * except.c (call_get_eh_context): Likewise.
4896 * expr.c (emit_block_move): Likewise.
4897 (clear_storage): Likewise.
4898 * profile.c (output_func_start_profiler): Likewise.
4899 * toplev.c (rest_of_decl_compilation): Likewise.
4900 * objc/objc-act.c (create_builtin_decl): Likewise.
4901 (synth_module_prologue): Likewise.
4902 (generate_static_reference): Likewise.
4903 (build_selector_reference_decl): Likewise.
4904 (build_class_reference_decl): Likewise.
4905 (build_objc_string_decl): Likewise.
4906 (build_protocol_reference): Likewise.
4908 2001-01-10 Richard Henderson <rth@redhat.com>
4910 * hwint.h: Revert yesterday's change.
4912 2001-01-10 Nick Clifton <nickc@redhat.com>
4914 * function.h (save_machine_status): Delete.
4915 (restore_machine_status): Delete.
4916 Amend comment describing {init|mark|free}_machine_status.
4918 * function.c (save_machine_status): Delete.
4919 (restore_machine_status): Delete.
4920 Amend comment describing {init|mark|free}_machine_status.
4921 (push_function_context_to): Remove invocation of
4922 save_machine_status.
4923 (pop_function_context_from): Remove invocation of
4924 restore_machine_status.
4926 * emit-rtl.c (init_emit_once): Amend comment describing
4927 {init|mark|free}_machine_status.
4929 * tm.texi (Per-Function Data): New node. Describe the
4930 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4933 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4935 * cppinit.c (OPT_g): Remove.
4936 (cpp_handle_option): Update for removed -g3.
4937 (print_help): Update.
4938 * cpplib.h (struct cpp_options): Remove debug_output.
4939 * cppmain.c (setup_callbacks, cb_define): Update.
4940 * gcc.c (cpp_options): Translate -g3 to -dD.
4942 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4944 * config/i960/i960.md: Change modifier to + on the zero_extract
4945 pattern after the (rotate -2 reg) canonicalization pattern.
4947 2001-01-10 Richard Henderson <rth@redhat.com>
4949 * config/alpha/alpha.c (alpha_free_machine_status): New.
4950 (override_options): Install it.
4951 (alpha_mark_machine_status): Verify machine non-null.
4952 * config/i386/i386.c (ix86_free_machine_status): New.
4953 (override_options): Install it.
4954 (ix86_init_machine_status): Use xcalloc.
4955 (ix86_mark_machine_status): Verify machine non-null.
4956 * config/ia64/ia64.c (ia64_free_machine_status): New.
4957 (ia64_override_options): Install it.
4958 (ia64_mark_machine_status): Verify machine non-null.
4960 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4962 * function.c (instantiate_virtual_regs): Instantiate virtual
4963 registers found in CALL_INSN_FUNCTION_USAGE.
4965 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4967 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4968 equivalent to -ansi in disabling -Di386.
4970 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4972 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4974 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4976 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4978 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4980 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4982 * invoke.texi: Document that -fcond-mismatch isn't supported for
4985 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4987 * gcc.texi: Define macro gcctabopt.
4988 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4989 @command, @env and @option in some places where appropriate. Use
4990 @gcctabopt where appropriate. Put URLs and email addresses inside
4993 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4995 * gcc.c (cpp_options): Set MD file name from output
4996 filename, if specified.
4997 (suffix_subst): New static variable.
4998 (do_spec): Clear it.
4999 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5001 (give_switch): Handle suffix_subst.
5003 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5005 * invoke.texi: Fix another typo.
5007 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5009 * invoke.texi: Fix typo.
5011 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5013 * c-lang.c (lang_hooks): Update.
5014 (lang_decode_option): Remove.
5015 (lang_init_options): Rename c_init_options.
5016 * toplev.c (main): Use lang_hooks for lang_init_options
5017 and lang_decode_option.
5018 * toplev.h (lang_hooks): Add 2 new hooks.
5019 * tree.h: Remove lang_init_options and lang_decode_option.
5020 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5021 * cp/decl2.c: Similarly.
5022 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5023 (lang_hooks): Update.
5024 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5026 (lang_init_options): Rename ffe_init_options.
5027 (lang_hooks): Update.
5028 (lang_decode_option): Remove.
5029 * java/lang.c (lang_init_options): Rename java_init_options.
5030 (lang_decode_option): Rename java_decode_option.
5031 (lang_hooks): Update.
5032 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5033 (lang_decode_option): Rename objc_decode_option.
5034 (lang_hooks): Update.
5036 2001-01-09 Nick Clifton <nickc@redhat.com>
5038 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5039 (d30v_return_addr_rtx): Delete.
5040 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5041 cfun->machine structure.
5042 (struct machine_function): Move to d30v.h
5043 (d30v_save_machine_status): Delete.
5044 (d30v_restore_machine_status): Delete.
5045 (d30v_init_machine_status): New Function.
5046 (d30v_mark_machine_status): New Function.
5047 (d30v_free_machine_status): New Function.
5048 (d30v_init_expanders): Use new functions.
5049 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5050 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5051 d30v_return_addr_rtx.
5053 * config/d30v/d30v.h (struct_machine): Move here.
5054 Add eh_epilogue_sp_ofs field.
5056 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5057 field in cfun->machine structure.
5059 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5061 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5062 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5063 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5065 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5067 * objc/lang-options.h: Remove bogus reference to
5070 2001-01-09 Kazu Hirata <kazu@hxi.com>
5072 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5075 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5077 * reload.c (find_reloads_address): Check for eliminable registers
5078 when substituting a constant expression for a pseudo.
5080 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5082 * c-common.c (enum format_type): Add format_type_error.
5083 (decode_format_type): New function.
5084 (decl_attributes): Use it.
5085 (format_kind_info): Adjust comment.
5087 2001-01-09 David O'Brien <obrien@BSDi.com>
5089 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5090 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5092 * config/i386/gnu.h: Don't include required platform specific .h files,
5093 tm.h will do it instead.
5094 * config/i386/i386elf.h: Likewise.
5095 * config/i386/linux.h: Likewise.
5096 * config/i386/moss.h: Likewise.
5097 * config/mips/gnu.h: Likewise.
5099 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5101 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5102 (rs6000-ibm-aix3.[01]*): Likewise.
5103 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5104 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5105 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5106 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5107 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5108 (powerpc-*-eabiaix*): Likewise.
5109 (powerpc-*-eabisim*): Likewise.
5110 (powerpc-*-elf*): Likewise.
5111 (powerpc-*-eabi*): Likewise.
5112 (powerpc-*-rtems*): Likewise.
5113 (powerpc-*-linux*libc1): Likewise.
5114 (powerpc-*-linux*): Likewise.
5115 (powerpc-wrs-vxworks*): Likewise.
5116 (powerpcle-wrs-vxworks*): Likewise.
5117 (powerpcle-*-sysv*): Likewise.
5118 (powerpcle-*-elf*): Likewise.
5119 (powerpcle-*-eabisim*): Likewise.
5120 (powerpcle-*-eabi*): Likewise.
5121 (powerpcle-*-solaris2*): Likewise.
5122 * config/rs6000/aix31.h: Delete includes.
5123 * config/rs6000/aix3newas.h: Likewise.
5124 * config/rs6000/aix41.h: Likewise.
5125 * config/rs6000/aix43.h: Likewise.
5126 * config/rs6000/beos.h: Likewise.
5127 * config/rs6000/rtems.h: Likewise.
5128 * config/rs6000/sysv4.h: Likewise.
5130 2001-01-09 Kazu Hirata <kazu@hxi.com>
5132 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5133 Change an argument mode of machine_mode to shift_mode of
5134 shift_mode. Remove an extra error check.
5135 (emit_a_shift): Adopt to the new calling prototype of
5137 (function_prologue): Fix code for a monitor
5138 function. Support H8/S.
5139 (function_epilogue): Do not output pop for a monitor function.
5141 2001-01-09 Nick Clifton <nickc@redhat.com>
5143 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5144 (setup_incoming_varargs): Use sysv_varargs_p field of the
5145 cfun->machine structure.
5146 (struct machine_function): Move to rs6000.h
5147 (rs6000_save_machine_status): Delete.
5148 (rs6000_restore_machine_status): Delete.
5149 (rs6000_init_machine_status): New Function.
5150 (rs6000_free_machine_status): New Function.
5151 (rs6000_init_expanders): Use new functions.
5153 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5155 (struct machine_function): Move here.
5157 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5158 sysv_varargs_p field of the cfun->machine structure.
5160 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5162 (rs6000_restore_machine_status): Remove prototype.
5164 2001-01-09 Richard Henderson <rth@redhat.com>
5166 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5167 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5168 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5169 (sched_analyze_2, sched_analyze_insn): Likewise.
5170 (sched_analyze, init_deps): Likewise.
5171 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5172 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5173 (compute_block_backward_dependences): Update propagate_deps call.
5175 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5177 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5179 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5181 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5182 (cpp_handle_option): Handle them.
5183 (cpp_post_options): Ensure one of -M or -MM is specified with
5184 any other -M? option.
5185 (init_dependency_output): Suppress output with -MG.
5187 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5190 * invoke.texi: Update.
5192 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5194 * sh.md (reload_outsf): Generate recognizable patterns for
5197 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5199 * c-lang.c (lang_hooks): Update.
5200 (lang_init): Rename c_init.
5201 (lang_finish): Remove.
5202 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5204 * toplev.h (lang_hooks): Add init () and finish ().
5205 * tree.h (lang_init, lang_finish): Remove.
5206 * cp/tree.h (lang_init, lang_finish): Remove.
5207 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5208 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5210 (lang_init, lang_finish): Remove.
5211 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5212 (lang_hooks): Update.
5213 * java/lang.c (lang_init): Rename java_init.
5214 (lang_finish): Remove.
5215 (lang_hooks): Update.
5216 * objc/objc-act.c (lang_init): Rename objc_init.
5217 (lang_finish): Remove.
5218 (lang_hoooks): Update.
5220 20001-01-09 Graham Stott <grahams@redhat.com>
5222 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5223 after `ptr` is initialised.
5225 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5227 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5228 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5229 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5230 stack adjusts, instead of r3.
5232 2001-01-09 Michael Hayes <mhayes@redhat.com>
5234 * flow.c (flow_loop_scan): Break out of ...
5235 (flow_loops_find) ... here.
5236 * basic-block.h (flow_loop_scan): New.
5237 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5238 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5240 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5242 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5244 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5245 realloc()ing macro_buffer.
5247 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5248 if it's wider than long and the target's long is wider than the
5251 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5253 Remove support for using UWIN as a host machine.
5254 * configure.in: Issue an error message.
5255 * configure: Regenerated.
5256 * config.gcc: Remove xm_* UWIN configury.
5257 * config/i386/xm-uwin.h: Remove.
5259 2001-01-08 Nick Clifton <nickc@redhat.com>
5261 * config/v850/v850.c (ra_rtx): Delete.
5262 (v850_save_machine_status): Delete.
5263 (v850_restore_machine_status): Delete.
5264 (v850_init_machine_status): New function.
5265 (v850_mark_machine_status): New function.
5266 (v850_free_machine_status): New function.
5267 (v850_return_addr): Use ra_rtx field in machine structure.
5268 (v850_init_expanders): Use new functions.
5270 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5271 * config/v850/v850.c: Change arguments to v850_output+* functions
5272 to take a const char *, to avoid compile time warning.
5273 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5274 (USER_LABEL_PREFIX): Redefine.
5276 2000-01-08 Jim Wilson <wilson@redhat.com>
5278 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5279 1 to unsigned HOST_WIDE_INT before left shift.
5281 2001-01-08 Nick Clifton <nickc@redhat.com>
5283 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5284 the machine structure has been allocated.
5285 (arm_free_machine_status): New function: Free the machine
5286 specific function structure.
5288 2001-01-08 Richard Henderson <rth@redhat.com>
5290 * jump.c (simplejump_p): Revert last change.
5292 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5294 * cppinit.c (init): Rename init_library.
5295 (cpp_create_reader): Update.
5296 * gcc.c (cpp_options): If -o given, use it as the target of
5299 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5301 * arm.c (arm_arch5e): New variable.
5302 (all_cores): XScale is a 5TE device.
5303 (arm_override_options): Set arm_arch5e.
5304 (arm_init_builtins): __builtin_prefetch is in arch5e.
5305 * arm.h (arm_arch5e): Declare it.
5307 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5309 * arm.md (define_constants): Add defines for UNSPEC and
5310 UNSPEC_VOLATILE insns. Update all users.
5311 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5312 * arm.c (multi_register_push, note_invalid_constants)
5313 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5314 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5315 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5317 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5319 * jump.c (jump_optimize_1): Use reversed_comparison_code
5320 instead of can_reverse_comparison_p.
5321 (jump_back_p): Likewise.
5322 (invert_exp_1): Likewise.
5323 (thread_jumps): Likewise.
5324 * simplify-rtx.c (simplify_unary_operation): Likewise.
5325 (simplify_ternary_operation): Likewise.
5326 * cse.c (find_comparison_args): Convert to use
5327 can_reverse_comparison_p.
5328 (record_jump_equiv): Likewise.
5330 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5332 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5333 (EPILOGUE_USES): Define.
5334 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5335 automatically stack the LR if it isn't live.
5337 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5339 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5342 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5344 * ggc-page.c (max_alignment): New structure.
5345 (MAX_ALIGNMENT): New macro.
5346 (init_ggc): Use it to round up the sizes in the
5347 extra_order_size_table.
5349 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5351 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5354 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5356 * builtins.def (BUILT_IN_FPRINTF): New entry.
5358 * c-common.c (c_expand_builtin_fprintf): New function.
5359 (init_function_format_info): Handle __builtin_fprintf.
5360 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5361 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5363 * c-decl.c (duplicate_decls): Adjust comment.
5365 * extend.texi (fprintf): Document new builtin.
5367 2001-01-07 Richard Henderson <rth@redhat.com>
5369 * jump.c (simplejump_p): Recognize any single_set jump
5372 2001-01-07 Richard Henderson <rth@redhat.com>
5374 * configure.in (slibdir): Accept an --with-slibdir option.
5375 Use "test" not "[" in configure. Default to $(libdir).
5377 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5379 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5380 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5381 (SHLIB_LINK): Create links for the soname.
5382 * config/mips/t-iris6: Likewise.
5383 * config/sparc/t-slibgcc: Likewise.
5384 * config/sparc/t-slibgcc-sld: Likewise.
5386 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5388 * config/i386/i386.c (constant_call_address_operand): Accept
5389 (const (plus (symbol_ref) (const_int))).
5390 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5391 constant_call_address_operand.
5393 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5395 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5396 and LONG_LONG_TYPE_SIZE > 32.
5398 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5400 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5401 the previous change.
5403 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5405 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5407 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5408 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5409 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5412 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5414 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5416 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5418 * c-lang.c (c_post_options): Call cpp_post_options.
5419 * objc/objc-act.c (objc_post_options): Similarly.
5420 * cppmain.c (main): Similarly.
5421 * fix-header.c (read_scan_file): Similarly.
5422 * cppinit.c (cpp_start_read): Move option consistency checks
5423 to cpp_post_options. Don't call init_dependency_output.
5424 If needed, add default target and main file dependency.
5425 (OPT_MD, OPT_MMD): Remove.
5427 (cpp_handle_option): Update for OPT_* changes.
5428 (cpp_post_options): New.
5429 (init_dependency_output): Command line -MF overrides environment
5430 variables. Don't set default target etc. Suppress output
5431 if dependencies are going to stdout.
5432 (print_help): Update.
5433 * cpplib.h (cpp_post_options): New.
5434 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5436 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5438 * jump.c (comparison_dominates_p): Support unordered compares.
5440 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5442 * simplify-rtx.c (simplify_relational_operation): Always simplify
5443 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5446 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5448 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5449 (nonzero_bits): Likewise.
5450 (simplify_comparison): Likewise.
5451 (num_sign_bit_copies): Likewise; return more sane value depending
5452 on STORE_FLAG_VALUE.
5453 (known_cond): Do not assume EQ to be always true for equivalent
5456 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5458 * cse.c (fold_rtx): Handle unordered comparisons.
5460 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5462 * rtlanal.c (set_of_1): New static function.
5463 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5464 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5465 reg_set_last_last_regno): Remove.
5466 (set_of): New global function.
5467 (set_of_data): New structure.
5468 (reg_set_p, reg_set_last): Revamp for set_of.
5469 * rtl.h (set_of): New.
5471 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5473 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5474 * extend.texi: Document _Exit builtin.
5476 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5478 * (initialize, initialize_builtins,
5479 initialize_dependency_output, initialize_standard_includes):
5480 Rename s/initialize/init. Update.
5481 (init_dependency_output): Move to after
5482 cpp_handle_options, the correct location temporally at least.
5483 (opt_comp): Move next to init (), its caller. Fix prototype.
5484 (init): Make "initialized" local scope.
5485 (cpp_create_reader): Always call init ().
5486 (cpp_start_read): Update.
5487 (output_deps): New function, broken out of cpp_finish.
5488 (cpp_finish): Break out output_deps.
5490 2001-01-07 Richard Henderson <rth@redhat.com>
5492 * collect2.c (COFF specific stuff): Revert 12-06 patch
5493 to prototype system functions.
5495 2001-01-07 Michael Hayes <mhayes@redhat.com>
5497 * hard-reg-set.h: Add multiple include guard.
5498 * basic-block.h (struct loop): Add `sink' field.
5499 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5500 (emit_iv_add_mult): Delete.
5501 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5502 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5503 (unroll_loop): Remove end_insert_before argument.
5504 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5505 (maybe_eliminate_biv_1): Likewise.
5506 (emit_iv_add_mult): Delete.
5507 (gen_add_mult, loop_regs_update): New.
5508 (loop_insn_emit_after, loop_insn_emit_before): New.
5509 (loop_insn_sink, loop_insn_sink_or_swim): New.
5510 (emit_iv_add_mult): Delete.
5511 (scan_loop): Set loop->sink.
5512 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5513 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5514 (maybe_eliminate_biv_1): Likewise.
5515 (maybe_eliminate_biv_1): Add basic block argument.
5516 * unroll.c (unroll_loop): Remove end_insert_before argument.
5517 (find_splittable_regs): Likewise.
5518 (find_splittable_regs): Use loop_insn_sink and its ilk.
5519 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5521 2001-01-07 Michael Hayes <mhayes@redhat.com>
5523 * loop.h (loop_insn_hoist): New prototype.
5524 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5525 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5526 (check_dbra_loop, load_mems): Likewise.
5527 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5528 (find_splittable_givs): Likewise.
5530 2001-01-07 Michael Hayes <mhayes@redhat.com>
5532 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5534 2001-01-07 Richard Henderson <rth@redhat.com>
5536 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5538 2001-01-07 Richard Henderson <rth@redhat.com>
5540 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5541 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5542 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5543 variant that handles a shared libgcc.
5544 (process_command): Always validate -{static,shared}-libgcc.
5545 (do_spec_1): New 'M' case.
5546 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5548 2001-01-07 Richard Henderson <rth@redhat.com>
5550 * Makefile.in (slibdir): New variable.
5551 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5552 (installdirs): Create slibdir.
5553 (install-libgcc, install-multilib): Defer to libgcc.mk.
5554 * configure.in (slibdir): Substitute.
5555 * mklibgcc.in (install): New target.
5557 * config/t-linux (SHLIB_LINK): Create links for the soname.
5558 (SHLIB_INSTALL): New.
5559 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5560 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5561 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5562 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5563 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5565 2001-01-07 Richard Henderson <rth@redhat.com>
5567 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5568 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5569 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5571 2001-01-07 Michael Hayes <mhayes@redhat.com>
5573 * loop.c (count_loop_regs_set): Delete.
5574 (load_mems_and_recount_loop_regs_set): Delete.
5575 (loop_regs_scan): Merge common code from count_loop_regs_set,
5576 scan_loop, and load_mems_and_recount_loop_regs_set.
5577 (scan_loop): Call load_mems directly and loop_regs_scan
5578 again if new registers created.
5580 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5582 * toplev.c (main): Call the front-end specific post_options
5583 hook if one is given.
5584 * toplev.h (struct_lang_hooks, lang_hooks): New.
5585 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5586 for the C front end.
5587 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5588 lang_hooks for the C++ front end.
5589 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5590 lang_hooks for the ObjC front end.
5591 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5592 * java/lang.c (lang_hooks): Hooks for the Java front end.
5594 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5596 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5597 for verbose DWARF[2] debugging.
5598 (cb_define, cb_undef): The new callbacks.
5599 * toplev.h (debug_define, debug_undef): Make const correct.
5600 * toplev.c (debug_define, debug_undef): Similarly. Do not
5601 perform the verbosity tests here anymore.
5603 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5605 * reload.c (subst_reloads): Take INSN argument. When
5606 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5607 * reload.h (subst_reloads): Adjust prototype.
5608 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5609 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5610 present in JUMP_INSNs and copy them to JUMP_LABEL.
5611 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5612 JUMP_INSNs and insns with REG_LABELs that are followed by
5613 JUMP_INSNs with the same REG_LABEL.
5614 * sched-rgn.c (is_cfg_nonregular): Likewise.
5615 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5617 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5619 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5621 2001-01-06 Richard Henderson <rth@redhat.com>
5623 * loop.c (scan_loop): Use xcalloc for the regs array.
5624 (load_mems_and_recount_loop_regs_set): Zero the new memory
5625 received from xrealloc.
5627 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5629 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5631 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5633 * integrate.c (copy_rtx_and_substitute): When copying
5634 an ignored return value, strip REG_FUNCTION_VALUE_P.
5636 2001-01-06 Michael Hayes <mhayes@redhat.com>
5638 * loop.c (debug_biv, debug_giv): New.
5639 (loop_biv_dump): Break out from ...
5640 (record_biv): ... here.
5641 (loop_giv_dump): Break out from ...
5642 (record_giv): ... here.
5643 (loop_bivs_check): Use print_simple_rtl.
5644 * unroll.c (loop_iterations): Use print_simple_rtl.
5646 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5648 * pa.md (return, return_internal): Modify patterns to prevent regrename
5649 mucking with the return pointer.
5651 2001-01-05 Richard Henderson <rth@redhat.com>
5653 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5655 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5657 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5658 version supplied by Matteo Frigo.
5660 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5662 * cpp.texi: Update for -MQ.
5663 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5664 (cpp_cleanup): Always free pfile->deps.
5665 (initialize_dependency_output): Don't create pfile->deps.
5666 (cpp_handle_option): Similarly.
5668 * gcc.c (cpp_options): Handle -MQ.
5669 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5670 * mkdeps.c (base_name): Remove.
5671 (deps_init): Don't allocate vector space until it's needed.
5672 (deps_free): Only free vectors if allocated.
5673 (deps_add_target, deps_add_dep): Update for initial allocation.
5674 (deps_add_default_target): Don't strip to the base_name.
5676 2001-01-05 DJ Delorie <dj@redhat.com>
5678 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5679 (INIT_EXPANDERS): Define.
5681 * config/v850/v850.c (struct machine_function): Define.
5682 (v850_save_machine_status): New function.
5683 (v850_restore_machine_status): New function.
5684 (v850_return_addr): New function.
5685 (v850_init_expanders): New function.
5687 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5688 and v850_init_expanders.
5690 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5692 * cpplib.h (struct cpp_reader): Add help_only field.
5693 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5694 (cpp_handle_option): Set pfile->help_only if we see -h,
5695 --help, -target-help, or --version. Print version string but
5696 do not set help_only if we see -v or -version. Make text
5697 printed by -v match that printed by (-)-version.
5699 * cppmain.c (main): Exit after option parsing if
5700 pfile->help_only is true.
5702 * toplev.c (independent_decode_option): Call print_version,
5703 then exit, if we see --version (but not -version).
5704 (print_version): Split lengthy message into two lines.
5706 2001-01-05 Nick Clifton <nickc@redhat.com>
5708 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5709 temporary string for initialisation before calling ggc_alloc_string.
5711 2001-01-06 Michael Hayes <mhayes@redhat.com>
5713 * rtl.h (print_simple_rtl): New.
5714 * print-rtl.c (print_simple_rtl): New.
5716 (print_rtx): Disable printing of flags and modes, etc.,
5717 if `flag_simple` nonzero.
5719 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5721 * function.c (fixup_var_refs): Use push_to_full_sequence where
5724 2001-01-05 Michael Meissner <meissner@redhat.com>
5726 * flags.h (flag_reorder_blocks): Add declaration.
5727 (flag_rename_block): Ditto.
5729 2001-01-05 DJ Delorie <dj@redhat.com>
5731 * function.c (reorder_blocks): Make sure the flags are all reset
5732 before using them to mark blocks, else a second invocation will
5733 corrupt the block chain.
5734 (reorder_blocks_0): New, resets the flags.
5736 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5738 * cse.c (find_comparison_args): Stop if the argument is known to
5741 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5743 * config/sh/sh.md (movdf): When splitting load into pair of
5744 registers, don't clobber the register used in the address too
5747 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5749 * varasm.c (mark_constant_pool): Improve initial comments.
5750 (mark_constants): Move marking of constants to mark_constant.
5751 (mark_constant): New function to recursively mark all constants
5752 referred to by a constant.
5754 2001-01-05 Catherine Moore <clm@redhat.com>
5756 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5758 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5760 * cp/lang-options.h: Bring comment in line with reality.
5761 * f/lang-options.h: Likewise.
5762 * java/lang-options.h: Likewise.
5763 * objc/lang-options.h: Likewise.
5764 * ch/lang-options.h: Likewise.
5765 * f/g77.texi: And update the manual.
5767 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5768 Denis Chertykov <denisc@overta.ru>
5770 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5771 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5772 * config/avr/avr.md (all peepholes that request a scratch register):
5773 Call it, FAIL the peephole if not safe (in interrupt functions).
5775 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5777 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5779 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5781 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5783 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5784 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5785 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5786 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5787 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5789 * extend.texi: Document these builtins.
5791 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5793 * c-common.c (lang_get_alias_set): Say we know nothing of
5794 VECTOR_TYPE aliasing.
5796 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5798 2001-01-05 Bruce Korb <bkorb@gnu.org>
5800 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5801 their x* equivalent versions for atexit-less systems
5802 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5803 systems (or any other system any more).
5805 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5807 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5808 output operands. Use arm_hard_register_operand for operand 4.
5809 (stmsi_postinc): Similarly.
5810 (ldmsi): Use arm_hard_register_operand for opernand 2.
5812 * arm.c (arm_hard_register_operand): New function.
5813 * arm-protos.h (arm_hard_register_operand): Prototype it.
5815 * arm.h (HARD_REGNO_RENAME_OK): Define.
5817 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5819 * simplify-rtx.c (cfc_args): add "unordered" field.
5820 (check_fold_consts): Set unordered field.
5821 (simplify_relational_operation): Simplify the unordered
5824 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5827 * emit-rtl.c (try_split): Fix code to mark labels.
5828 * jump.c (mark_jump_label): Make global.
5829 * rtl.h (mark_jump_label): Declare.
5831 * predict.c (estimate_probability): Handle unordred comparisons.
5833 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5835 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5836 * cppinit.c (initialize_dependency_output): Update.
5837 (cpp_finish): Output dummy targets for -MP.
5839 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5840 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5841 * gcc.c (cpp_options): Update to handle -MP.
5842 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5843 to quote only the default target.
5844 (deps_phony_targets): Insert a preceding newline. Rename from
5845 deps_dummy_targets for consistency.
5848 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5850 * calls.c (emit_library_call_value_1): Support
5851 INIT_CUMULATIVE_LIBCALL_ARGS.
5852 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5854 2001-01-04 Richard Henderson <rth@redhat.com>
5856 * c-decl.c (finish_struct): Detect flexible array members
5857 used in an inappropriate context.
5858 * c-typeck.c (really_start_incremental_init): Special case
5859 constructor_max_index for zero length arrays.
5860 (pop_init_level): Allow initialization of flexible array
5861 members. Deprecate initialization of zero length arrays.
5862 Don't issue missing initializer warning for flexible array
5863 members or zero length arrays.
5864 (process_init_element): Don't dereference null DECL_SIZE.
5865 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5866 Don't abort for empty constructors. Use size_binop
5867 (output_constructor): Add commentary regarding zero length
5868 array futures. Abort if we try to initialize an array of
5869 unspecified length with a non-empty constructor in the middle
5872 * extend.texi (Zero Length): Update and clarify documentation
5873 on static initialization.
5875 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5877 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5878 with more than 32767 words of local storage.
5880 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5882 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5883 for 'abs', 'labs', and 'fabs'.
5884 (c4x_expand_builtin): Likewise.
5885 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5887 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5889 * config/sh/sh.md (prget, prset): New insn types.
5890 (return delay slot): Dont' allow prset.
5891 (call, sfunc delay slot): Don't allow prget.
5892 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5893 for prset and prget.
5895 2001-01-05 Michael Hayes <mhayes@redhat.com>
5897 * loop.h (struct loop_reg): New.
5898 (struct loop_regs): Change to use array of `struct loop_reg'.
5899 * loop.c: Replace assortment of varrays with single regs array.
5900 (count_one_set): Delete may_not_move array argument
5901 and use regs array instead. All caller's changed.
5902 (count_loop_regs_set): Delete may_not_move and single_usage
5903 arguments and use regs array instead. All caller's changed.
5904 (find_single_use_in_loop): Replace usage array argument with pointer
5905 to regs structure. All caller's changed.
5906 (loop_optimize): Delete `moved_once' array.
5908 2001-01-05 Michael Hayes <mhayes@redhat.com>
5910 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5911 Use it instead of loop_info->has_call for scanning loop mems.
5912 (check_dbra_loop): Replace loop_info->has_call test with
5913 loop_info->has_nonconst_call.
5915 2000-01-04 Matthew Hiller <hiller@redhat.com>
5917 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5920 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5922 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5923 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5925 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5927 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5928 (flag_short_double, flag_short_wchar): Define.
5929 (c_common_nodes_and_builtins): Create many tree nodes shared
5930 between C and C++ here instead of in cp/decl.c and ...
5931 * c-decl.c (init_decl_processing): ... here.
5932 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5933 (flag_short_double, flag_short_wchar): Don't define.
5934 (record_builtin_type): New function.
5935 (build_void_list_node): New function.
5936 * c-common.h (flag_short_double, flag_short_wchar,
5937 record_builtin_type, build_void_list_node): Declare.
5939 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5941 * integrate.c (expand_inline_function): Don't put a virtual
5942 register into the reg map.
5944 * function.c (fixup_var_refs_1): If force_operand didn't put
5945 the address into the target, move it there.
5947 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5949 Special-case tree_decl/tree_list allocations.
5950 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5951 (OBJECT_SIZE): New macro.
5952 (NUM_EXTRA_ORDER): Likewise.
5953 (extra_order_size_table): New variable.
5954 (NUM_ORDERS): New macro.
5955 (objects_per_page_table): New variable.
5956 (object_size_table): New variable.
5957 (G.pages): Use NUM_ORDERS to bound the array.
5958 (G.page_tails): Likewise.
5959 (DIV_ROUND_UP): Remove.
5960 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5961 (alloc_page): Use OBJECT_SIZE.
5962 (size_lookup): Don't make it const.
5963 (ggc_alloc): Use OBJECT_SIZE.
5964 (ggc_set_mark): Likewise.
5965 (ggc_get_size): Likewise.
5966 (init_ggc): Set up the object_size_table, objects_per_page_table,
5967 and adjust size_lookup.
5968 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5969 (ggc_pop_context): Use NUM_ORDERS.
5970 (clear_marks): Likewise.
5971 (sweep_pages): Likewise.
5972 (poison_pages): Likewise.
5973 (ggc_print_statistics): Use OBJECT_SIZE.
5975 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5977 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5978 Only call array_size_for_constructor if last field and array type
5979 with no upper bound.
5981 2001-01-04 Philip Blundell <philb@gnu.org>
5983 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5984 from bit 31 downwards, if this requires no more insns.
5985 (count_insns_for_constant): New helper function for above.
5987 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5989 * gencodes.c (output_predicate_decls): Remove empty initializer.
5991 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5993 * tree.c (copy_node): Remove documentation about obstacks.
5994 (buidl1): Check that nobody tries to build 2-argument nodes this
5997 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5999 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6002 * gencodes.c (output_predicate_decls): Fill empty initializer
6005 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6007 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6008 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6010 (do_include): Handle missing headers like cpp0.
6011 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6012 paths with first include pathname. Don't strcat to uninitialized
6015 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6017 * regrename.c (regrename_optimize): Don't rename from frame pointer
6018 if frame_pointer_needed.
6019 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6020 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6021 (ia64_reorg): Use it instead of scheduling if ! optimize.
6022 (errata_emit_nops): Properly call asm_noperands.
6023 (ia64_sched_reorder): Finish cycle if we see an asm.
6024 (ia64_variable_issue): Clear scheduling state after asms.
6026 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6028 * cpp.texi: Update for -MT.
6029 * cppinit.c (initialize_dependency_output): Add a default
6030 target if none has been given already.
6031 (no_tgt, OPT_MT): New.
6032 (cpp_handle_option): Handle -MT. Update -M etc.
6033 * cpplib.h (struct cpp_options): Remove deps_target.
6034 * gcc.c (cpp_options): Handle -MT.
6035 * mkdeps.c (struct deps): Move from mkdeps.h.
6036 (deps_calc_target): Rename deps_add_default_target. Add a
6037 default target if none has been specified already.
6038 * mkdeps.h (struct deps): Move to mkdeps.c.
6039 (deps_calc_target): Rename deps_add_default_target.
6041 2000-01-03 Richard Henderson <rth@redhat.com>
6043 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6045 * c-typeck.c (push_init_level): Move checks for flexible array
6046 members and zero length arrays ...
6047 (pop_init_level): ... here. Silently discard empty initializations.
6049 * varasm.c (output_constructor): Update for sizeof change to
6052 * extend.texi (Zero Length): Clarify semantics.
6054 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6056 * configure.in (tm.h): Include isns-codes.h last.
6057 * configure: Rebuilt.
6059 2001-01-03 Richard Henderson <rth@redhat.com>
6061 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6062 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6064 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6066 * tradcpp.c (main): Make sure finclude() is called with a valid
6067 indepth value while handling -include.
6069 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6071 * gencodes.c (output_predicate_decls): New function.
6073 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6074 even if it is not the first time machmode.h is #included.
6075 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6076 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6077 * gcc.texi (Copyright): Added 2001.
6079 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6081 * c-common.c (c_common_lang_init): New function. Warn if format
6082 warning options which only have effects when used with -Wformat
6083 are used without -Wformat.
6084 * c-common.h (c_common_lang_init): Declare.
6085 * c-lang.c (lang_init): Call c_common_lang_init.
6086 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6088 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6090 * configure.in: Check for the mktemp command.
6091 * configure: Regenerate.
6092 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6093 $TEMP. Create temporary files with mktemp, if available at
6094 configure time; otherwise use set -C. Remove temporary files
6097 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6099 * configure.in: Require at least texinfo 4.0. Check for whether
6100 Pod::Man is sufficiently recent to regenerate GCC manpages.
6101 * configure: Regenerate.
6102 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6104 (GENERATED_MANPAGES): Define.
6105 (generated-manpages): New target. Depend on cpp.1 as well as
6107 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6108 configure to generated-manpages or empty) rather than on the
6109 manpages directly. Remove execute permission from installed
6110 gcov.1 as well as cpp.1.
6111 * cpp.1, gcov.1: Regenerate.
6113 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6115 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6116 tree_low_cst. Allow using cmpstrsi in more cases.
6118 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6120 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6123 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6125 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6126 * Makefile.in (HOST_CFLAGS): Mention build-make.
6128 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6130 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6133 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6135 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6138 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6141 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6142 reg_base_value and reg_known_value arrays.
6143 (init_alias_analysis): Add more cases to detect known values.
6144 * sched-deps.c (deps_may_trap_p): New function.
6145 (sched_analyze_2): Use it.
6147 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6149 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6150 don't discard an ASHIFTRT if we're shifting in a wider mode.
6152 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6154 * toplev.c (rest_of_compilation): Don't print basic block information
6155 when CFG isn't up to date.
6157 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6159 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6160 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6161 (UNALIGNED_SHORT_ASM_OP): Define.
6162 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6164 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6166 * fold-const.c (fold_convert): Fix typo.
6168 2001-01-02 Richard Henderson <rth@redhat.com>
6170 * c-common.h (ASM_INPUT_P): New.
6171 * c-parse.in (asm): Set it when needed.
6172 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6173 existance of an operand.
6175 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6177 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6178 (dwarf2out_frame_debug_expr): Likewise.
6179 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6181 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6183 * i386.c (ix86_split_to_parts): Return number of part required;
6185 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6187 (ix86_split_long_move): Use number of part returned
6188 by ix86_split_to_parts
6189 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6191 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6192 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6193 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6194 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6195 (ALIGN_MODE_128): Add TFmode.
6196 (IS_STACK_MODE): Likewise.
6197 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6198 (HARD_REGNO_OK): Support TFmodes.
6199 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6200 * i386.md (scheduler definitions): Use memory operand to determine
6201 fst/fld instructions; use mode attribute to determine real mode of
6203 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6204 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6206 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6208 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6210 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6212 * expr.c (store_constructor_field): Update ALIGN before calling
6215 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6217 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6220 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6222 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6225 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6227 * c-decl.c (start_function): Don't warn on third parameter to main.
6229 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6231 * tsystem.h: Define HAVE_DECL_GETOPT.
6233 2001-01-02 Philip Blundell <pb@futuretv.com>
6235 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6238 2001-01-02 Richard Henderson <rth@redhat.com>
6240 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6242 2001-01-02 Andreas Jaeger <aj@suse.de>
6244 * c-decl.c (c_decode_option): Remove support of
6247 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6248 (W_options): Add -Wmissing-noreturn here.
6250 * flow.c: Define lang_missing_noreturn_ok_p.
6251 (check_function_return_warnings): Use it.
6253 * c-common.h: Declare lang_missing_noreturn_ok_p.
6255 * c-lang.c (c_missing_noreturn_ok_p): New function.
6256 (lang_init): Set lang_missing_noreturn_ok_p.
6258 * invoke.texi (Warning Options): Document this.
6260 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6262 * extend.texi (C++ Extensions): New node for C++ attributes;
6263 describe init_priority and com_interface.
6264 * invoke.texi: Remove -finit-priority as it now has zero effect.
6265 * install.texi: Fix xref syntax.
6266 * md.texi: Likewise.
6268 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6270 * config.gcc (sparc64-wrs-vxworks*): New case.
6271 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6273 * config/sparc/sparc.c (sparc_override_options): Do support different
6274 pointer and architecture size.
6275 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6276 (POINTERS_EXTEND_UNSIGNED): Define.
6277 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6278 (FUNCTION_MODE): Define to be Pmode.
6279 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6281 * function.c (expand_function_end): Properly handle DECL_RESULT
6282 and copy when ptr_mode != Pmode.
6283 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6285 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6287 * c-common.c (c_common_nodes_and_builtins): Set prototype
6288 parameters for __builtin_fputs, __builtin_fputc and
6289 __builtin_fwrite. Don't declare plain fputc as a builtin.
6291 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6293 * loop.c (add_label_notes): Increment the label usage count when
6294 a note is added to an insn which refers to a CODE_LABEL.
6295 * gcse.c (add_label_notes): Likewise.
6297 2001-01-01 Andreas Jaeger <aj@suse.de>
6299 * loop.c (scan_loop): Use xmalloc to allocate movables.
6301 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6303 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6304 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6305 * reload1.c (REGISTER_MOVE_COST): Likewise.
6306 * regclass.c (REGISTER_MOVE_COST): Likewise.
6307 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6308 dimension. Adjust all users.
6309 (init_reg_sets_1): Iterate on all modes.
6310 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6311 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6312 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6313 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6314 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6315 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6316 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6317 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6318 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6319 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6320 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6321 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6322 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6323 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6324 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6325 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6326 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6327 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6328 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6329 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6330 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6331 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6332 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6333 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6334 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6335 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6336 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6338 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6340 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6341 arg VARIES_P. Call it with extra arg.
6342 (true_dependence): Likewise.
6343 * rtl.h (rtx_addr_can_trap_p): Declare.
6344 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6346 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6347 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6348 pic offset table register if it's zero. All callers changed.
6349 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6351 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6353 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6354 STRING_POOL_ADDRESS_P.
6356 * config/sparc/sparc.c (input_operand): Properly test for short op.
6358 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6359 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6360 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6361 * config/sparc/elf.h: No longer include sol2.h.
6362 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6363 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6365 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6367 2001-01-01 Michael Hayes <mhayes@redhat.com>
6369 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6370 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6371 (record_initial): Likewise.
6372 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6373 (remap_split_bivs): Likewise.
6375 2001-01-01 Michael Hayes <mhayes@redhat.com>
6377 * loop.c (loop_ivs_free): New function.
6378 (strength_reduce): Break out from...
6380 2001-01-01 Michael Hayes <mhayes@redhat.com>
6382 * loop.h (struct iv): New.
6383 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6384 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6385 'reg_biv_class' fields with 'regs' and 'n_regs'.
6386 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6387 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6388 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6390 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6392 * resource.c (mark_referenced_resources): Abort() before
6393 attempting to mark a pseudo register.
6394 (mark_set_resources): Likewise.
6396 2001-01-01 Michael Hayes <mhayes@redhat.com>
6398 * loop.h (REG_IV_CLASS): New accessor macro.
6399 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6400 * unroll.c (REG_IV_CLASS): Likewise.
6402 See ChangeLog.4 for earlier changes.