1 2001-03-16 Richard Henderson <rth@redhat.com>
3 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
4 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5 (size_of_line_prolog): Remove.
6 (output_line_info): Compute prologue size via label difference.
7 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
9 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
10 assembler error when redefining file numbers.
11 * config.in, configure: Rebuild.
13 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
14 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
15 (dw2_asm_output_delta_uleb128): Likewise.
16 (dw2_asm_output_delta_sleb128): Similarly.
17 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
19 2001-03-16 Michael Meissner <meissner@redhat.com>
21 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
23 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
25 (BITMASK_LOWER16): Replacement for 0x0000ffff.
27 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
28 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
29 being unsigned in ISO C and signed in traditional.
30 (expand_prologue): Ditto.
31 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
33 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
35 (divsi3,divdi3): Ditto.
36 (modsi3,moddi3): Ditto.
37 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
38 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
39 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
42 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
44 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
45 SSE based conditional moves on LTGT/UNEQ conditions;
46 Canonicalize EQ to NE.
47 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
48 (sse_mov?fcc_ne): New.
50 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
52 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
54 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
57 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
59 * Makefile.in (hash.o): Depend on CONFIG_H.
61 2001-03-15 Mark Mitchell <mark@codesourcery.com>
63 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
65 2001-03-15 Richard Henderson <rth@redhat.com>
67 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
68 (ASM_OUTPUT_DWARF_PCREL): New.
69 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
71 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
73 * cppfiles.c (stack_include_file): Use MAX of sysp.
75 2001-03-15 Steve Ellcey <sje@cup.hp.com>
77 * config.gcc (ia64*-*-hpux*): New case.
78 * config/ia64/hpux.h: New file for HP-UX support.
79 * config/ia64/t-hpux: New file for HP-UX support.
81 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
83 * fixinc/inclhack.def (irix_stdio_va_list): New.
84 * fixinc/fixincl.x: Rebuilt.
86 2001-03-15 Richard Henderson <rth@redhat.com>
88 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
89 if provided by the target.
90 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
91 (dw2_asm_output_addr): New.
92 * dwarf2asm.h (dw2_asm_output_addr): Declare.
93 * dwarf2out.c (output_cfi): Use it for program addresses.
94 (output_call_frame_info, output_die): Likewise.
95 (output_aranges, output_line_info): Likewise.
97 2001-03-15 Bruce Korb <bkorb@gnu.org>
99 * gcc.c(main): make more rigorous
100 * collect2.c(main): guard against ignoring SIGCHLD
101 * protoize.c(main): ditto
102 * gcc/fixinc/fixincl.c(initialize): ditto
104 2001-03-15 Mark Mitchell <mark@codesourcery.com>
106 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
107 (sdbout_parms): Likewise.
109 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
111 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
112 "widen" a destination that is already wider than a word. Also do
113 not widen if LOAD_EXTEND_OP is NIL for the given mode.
115 2001-03-15 Bernd Schmidt <bernds@redhat.com>
117 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
119 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
121 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
123 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
125 * i960.h (i960_maxbitalignment,
126 i960_last_maxbitalignment): Declare.
127 * i960.c (i960_maxbitalignment,
128 i960_last_maxbitalignment): Make global.
129 (process_pragma): Delete.
130 (i960_pr_align, i960_pr_noalign): Move from here ...
131 * i960-c.c: ... to this new file.
132 * t-960bare (i960-c.o): New rule.
133 * t-vxworks960 (i960-c.o): Likewise.
134 * config.gcc (i960-*-*): Define c_target_objs and
137 2001-03-15 Bernd Schmidt <bernds@redhat.com>
139 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
140 without adding in rtx code and mode.
142 * alias.c (init_alias_analysis): Don't use any rtx whose value
143 varies as a known value.
144 Delete a superfluous test.
146 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
148 (ia64_sched_reorder): Call maybe_rotate; also rotate after
149 scheduling a stop bit.
150 (ia64_emit_nops): Correctly handle ASMs.
152 2001-03-15 Mark Mitchell <mark@codesourcery.com>
154 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
156 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
158 * cpp.texi: Update documentation for -include and -imacros.
159 * cppfiles.c (struct include_file): Remove "defined" memeber.
160 (find_or_create_entry): Make a copy of the file name, and
162 (open_file): Update to ensure we use the simplified filename.
163 (stack_include_file): Don't set search_from.
164 (cpp_included): Don't simplify the path name here.
165 (find_include_file): New prototype. Call search_from to
166 get the start of the "" include chain. Don't simplify the
168 (_cpp_execute_include): New prototype. Move diagnostics to
169 do_include_common. Update.
170 (_cpp_pop_file_buffer): Don't set defined.
171 (search_from): New prototype. Use the preprocessor's cwd
172 for files included from the command line.
173 (read_name_map): Don't simplify the pathname here.
174 * cpphash.h (enum include_type): New.
175 (struct buffer): Delete search from. New search_cached.
176 (_cpp_execute_include): Update prototype.
177 * cppinit.c (do_includes): Use _cpp_execute_include.
178 * cpplib.c (do_include_common): New function.
179 (do_include, do_include_next, do_import): Use it.
181 2001-03-14 Mark Mitchell <mark@codesourcery.com>
183 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
184 contents of the RTL, to determine the name of the object.
186 2001-03-14 Mark Mitchell <mark@codesourcery.com>
188 * tree.h (DECL_RTL): Allocate RTL lazily.
189 (SET_DECL_RTL): New macro.
190 (DECL_RTL_SET_P): Likewise.
191 (COPY_DECL_RTL): Likewise.
192 (DECL_RTL_IF_SET): Likewise.
193 * varasm.c (make_decl_rtl): Add assertions about the kind of
194 declaration we are processing.
195 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
196 (start_decl): Likewise.
197 (finish_decl): Likewise.
198 * c-semantics.c (emit_local_var): Likewise.
199 * calls.c (expand_call): Likewise.
200 * dbxout.c (dbxout_symbol): Likewise.
201 * emit-rtl.c (unshare_all_rtl): Likewise.
202 (unshare_all_decls): Likewise.
203 (reset_used_decls): Likewise.
204 * expr.c (store_constructor): Likewise.
205 (safe_from_p): Likewise.
206 (expand_expr): Likewise.
207 * function.c (put_var_into_stack): Likewise.
208 (instantiate_decls_1): Likewise.
209 (assign_parms): Likewise.
210 (expand_function_start): Likewise.
211 (expand_function_end): Likewise.
212 * ggc-common.c (gcc_mark_trees): Likewise.
213 * integrate.c (function_cannot_inline_p): Likewise.
214 (copy_decl_for_inlining): Likewise.
215 (expand_inline_function): Likewise.
216 (integrate_parm_decls): Likewise.
217 (integrate_decl_tree): Likewise.
218 * print-tree.c (print_node): Likewise.
219 * reg-stack.c (stack_result): Likewise.
220 * stmt.c (label_rtx): Likewise.
221 (expand_return): Likewise.
222 (expand_decl): Likewise.
223 (expand_decl_cleanup): Likewise.
224 (expand_anon_union_decl): Likewise.
225 * toplev.c (check_global_declarations): Likewise.
226 (rest_of_decl_compilation): Likewise.
227 * tree.c (simple_cst_equal): Likewise.
228 * objc/objc-act.c (generate_static_references): Likewise.
230 2001-03-14 Zack Weinberg <zackw@stanford.edu>
232 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
233 gcc_AC_C_FLOAT_FORMAT): New macros.
234 * configure.in: Add AC_PROG_CPP after CC tests;
235 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
236 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
237 * configure, config.in: Regenerate.
239 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
240 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
241 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
242 config/i370/xm-linux.h, config/i370/xm-oe.h,
243 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
244 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
245 config/pa/xm-linux.h, config/pa/xm-pa.h,
246 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
247 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
248 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
249 config/we32k/xm-we32k.h: Delete.
251 * config/i370/xm-mvs.h, config/m88k/m88k.h,
252 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
253 config/vax/xm-vms.h: Don't define any of:
254 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
256 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
258 * config.gcc: Remove references to deleted files.
259 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
260 FATAL_EXIT_CODE, which is the same between oe and mvs).
262 2001-03-14 DJ Delorie <dj@redhat.com>
263 Vladimir Makarov <vmakarov@redhat.com>
265 * config/i960/i960.c (i960_function_prologue): Compute size of
266 frame according to number of registers actually saved there.
268 2001-03-14 Richard Henderson <rth@redhat.com>
270 * expr.c (emit_move_insn_1): Fix else if around #endif.
272 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
275 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
278 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
280 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
281 (override_options): Parse cmodel string.
282 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
283 * i386.h (TARGET_OPTIONS): Add "cmodel".
284 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
286 (ix86_cmodel_string, ix86_cmodel): Declare.
288 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
291 * i386.h (GENERAL_REG_P): Add missing REG_P.
293 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
295 * configure.in: Use $gcc_cv_as instead of $as.
296 * configure: Regenerated.
298 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
300 * cppfiles.c (stack_include_file): Only increase the include
301 count if we actually process the file properly, as opposed
302 to treating it as length zero. Only call read_include_file
303 if not DO_NOT_REREAD. Handle the -H include file output
305 (read_include_file): Remove now redundant DO_NOT_REREAD check.
306 (cpp_included, find_include_file): Simplify pathnames after
307 remapping them. If remapping, don't use the remapped file
308 name's buffer as our scratch buffer.
309 (cpp_pop_file_buffer): Replace the multiple include macro
310 only if it isn't yet set.
311 (read_name_map): Simplify remapped names when reading in.
312 (remap_filename): Move code to code path that uses it.
313 (_cpp_simplify_pathname): Return the input pointer.
314 * cpphash.h (_cpp_simplify_pathname): Update prototype.
316 2001-03-14 Mark Mitchell <mark@codesourcery.com>
318 * expr.c (expand_expr): Revove bogus conditional.
320 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
322 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
324 2001-03-14 Jakub Jelinek <jakub@redhat.com>
326 * reg-stack.c (stack_result): Unconditionally use
327 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
329 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
331 * expr.c (emit_move_insn_1): Split push of complex value when
332 no suitable push instruction exist.
334 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
337 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
339 * alias.c (handled_component_p, can_address_p): New functions.
340 (get_alias_set): Use them.
342 2001-03-13 Jim Wilson <wilson@redhat.com>
344 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
345 from 80 in try_locals code.
346 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
348 2001-03-13 Zack Weinberg <zackw@stanford.edu>
350 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
351 gcc_AC_C_LONG_LONG): New.
352 * configure.in: Use them. Probe the size of short, int, long,
353 and long long/__int64 if we have them. Move all the AC_C_*
354 checks together, except gcc_AC_C_CHAR_BIT which has to go
355 after AC_CHECK_HEADERS(limits.h).
356 Take hwint.h out of host_xm_file and build_xm_file.
358 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
359 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
360 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
361 Move the HOST_WIDEST_INT setup logic here from system.h.
362 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
364 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
365 is now handled by hwint.h.
367 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
368 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
369 config/ia64/xm-ia64.h: Don't define any of:
370 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
371 HOST_BITS_PER_LONGLONG.
373 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
374 config/h8300/xm-h8300.h, config/mips/iris6.h,
375 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
376 config/sparc/xm-sp64.h: Delete.
377 * config.gcc: Remove references to deleted files.
379 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
380 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
381 * config/i370/xm-linux.h: Clarify floating-point situation in
384 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
386 * cppfiles.c (NO_INCLUDE_PATH): New macro.
387 (find_include_file): Decide here which part of the include
388 chain to start the search. Complain about an empty include
389 chain in all cases apart from an abolsute file name.
390 (_cpp_execute_include): Don't choose the search chain here.
391 Don't call handle_missing_include in the case of an empty
393 (_cpp_compare_file_date): Don't choose the search chain here.
394 * cpplib.c (do_include_next): Move the in-main-file diagnostic
395 here from _cpp_execute_include. Behave like #include if
396 we're in the main file.
398 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
400 * system.h (malloc, realloc, calloc, strdup): Only poison these
401 tokens when IN_GCC is defined.
403 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
405 * i386.md (abs?f expander): Support SSE case.
406 (abd?f_if): Add new "USE"; add splitters.
408 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
410 * cpp.texi (poison): Explain the macro expansion exception.
412 2001-03-13 Jakub Jelinek <jakub@redhat.com>
414 * expr.c (store_expr): Add dont_store_target. If temp is already in
415 target before copying to reg, don't store it into target again.
417 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
419 * cppinternals.texi: Update for file handling.
421 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
423 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
424 2001-02-24 which broke building the Java library.
425 * function.c (identify_blocks): Likewise.
426 (all_blocks): Likewise.
427 * integrate.c (integrate_decl_tree): Likewise.
428 * print-tree.c (print_node): Likewise.
429 * tree.h (BLOCK_NUMBER): Likewise.
430 (struct tree_block): Likewise.
432 2001-03-12 David Edelsohn <edelsohn@gnu.org>
434 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
435 __WCHAR_TYPE__ definition.
436 (WCHAR_TYPE_SIZE): #undef before #define.
438 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
440 * cppfiles.c: Update comments.
441 (destroy_include_file_node): Rename destroy_node.
442 (find_or_create_entry): New function.
443 (open_file, _cpp_fake_include): Use it.
444 (handle_missing_header): New function, broken out of
445 _cpp_execute include. Don't segfault if there is no
446 system or quoted path.
447 (_cpp_execute_include): Use handle_missing_header.
449 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
451 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
452 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
454 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
456 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
457 unless anti_dependence says they are.
458 * alias.c (objects_must_conflict): If neither has a type specified,
461 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
462 David Billinghurst <David.Billinghurst@riotinto.com>
464 * config/mips/iris5.h: Change WCHAR_TYPE to int.
466 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
468 * i386.md (trunctfdf2_2): Rename missnamed pattern.
469 (*_one_bit): Remove type on the match_operand in attributes.
471 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
473 * i386.c: Commit forgotten hunk in previous patch.
474 (regclass_map): Add extended registers.
475 (dbx_register_map): Add missing frame register.
477 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
479 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
481 * i386.md (x86_sahf_1): Disable for 64bit.
482 (popsi*, pophi*): Likewise.
483 (pushqi, pushhi): Likewise.
484 (movdi, pushdi): Likewise.
485 (zero extend DImode splitter): Likewise.
486 (adddi, minusdi splitter): Likewise.
487 (umulsidi): Likewise.
489 (mulsidi): Disable for 64bit
490 (lshift:DI/ashift:DI): Disable for 64bit.
491 (loop patterns): Likewise.
492 (call_pop, call_value_pop expanders and patterns): Likewise.
493 (prologue_get_pc): Likewise.
495 (fcmovDI pattern and splitter): Likewise.
496 (movdfcc_1_rex64): New.
498 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
500 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
501 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
502 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
503 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
504 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
505 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
506 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
507 (PUSH_ROUNDING): x86_64 rounds to 64bits.
508 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
509 (REGPARM_MAX): Set to 6 for x86_64.
510 (SSE_REGPARM_MAX): Set to 16 for x86_64.
511 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
514 * (patterns that does use upper halves): Update constraints
515 'q' to 'Q' and 'r' to 'R'.
516 (cmpqi_ext_1): Disable for 64bit.
517 (cmpqi_ext_3_insn): Likewise.
518 (movqi_extzv_1): Likewsie.
519 (addqi_ext_1): Liekwsie
520 (testqi_ext_1): Liekwsie
521 (andqi_ext_1): Liekwsie
522 (xorqi_ext_1): Liekwsie
523 (cmpqi_ext_1_rex64): New.
524 (cmpqi_ext_3_insn_rex64): Likewise.
525 (movqi_extzv_1_rex64): Likewsie.
526 (addqi_ext_1_rex64): Liekwsie
527 (testqi_ext_1_rex64): Liekwsie
528 (andqi_ext_1_rex64): Liekwsie
529 (xorqi_ext_1_rex64): Liekwsie
531 2001-03-11 Zack Weinberg <zackw@stanford.edu>
533 * configure.in: Move check for unsigned enumerated bitfields
534 to macro in aclocal.m4. Disable it for now.
535 * configure, config.in: Regenerate.
536 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
537 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
538 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
539 kind above its first use.
541 * config/xm-interix.h, config/alpha/xm-alpha.h,
542 config/i370/xm-linux.h, config/i386/xm-beos.h,
543 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
544 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
545 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
546 Don't define ONLY_INT_FIELDS under any circumstances.
548 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
550 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
551 config/sparc/xm-sysv4.h: Delete - now identical with some
553 * config.gcc (hppa targets): Replace xm-pahpux.h and
554 xm-papro.h with implicit xm-pa.h.
555 (sparc targets): Replace xm-sysv4.h with implicit or explicit
558 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
560 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
561 before reload_cse_noop_set_p.
563 2001-03-11 Zack Weinberg <zackw@stanford.edu>
565 * config.gcc: Where xm-host.h used to include another
566 xm-host.h, list the nested header directly in xm_file. Remove
567 references to deleted files. Can now use sparc/xm-sp64.h for
570 * config/xm-linux.h, config/arm/xm-linux.h,
571 config/i386/xm-dos.h, config/i386/xm-gnu.h,
572 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
573 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
574 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
575 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
578 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
579 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
580 bother to wrap #undef in #ifdef.
581 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
582 Don't include xm-linux.h.
583 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
585 * configure.in: Wrap regexps using [] in changequote block.
586 Use expr : not echo | grep. Simplify regexps.
587 * configure: Regenerate.
589 56 xm-files remain, 22 xm-arch.
591 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
593 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
594 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
595 (local_index, local_rindex): Delete, use strchr/strrchr instead.
596 (copy_object): Fix format specifier vs argument mismatch.
598 * mips-tdump.c: Make local functions static.
599 (rindex): Don't #undef.
600 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
601 (fatal, fancy_abort): Delete.
602 (read_seek): Avoid signed/unsigned compare.
604 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
606 * combine.c (try_combine): Fix error in change to try original
608 (gen_rtx_combine): Do same as gen_rtx for now.
610 2001-03-11 Zack Weinberg <zackw@stanford.edu>
612 * configure.in: AC_SUBST xm_defines.
613 * configure: Regenerate.
614 * Makefile.in: Set DEFINES=$(xm_defines) when building
617 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
619 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
620 (cpp_included, find_include_file): Update.
621 (_cpp_compare_file_date): Make else unconditional.
623 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
625 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
627 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
629 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
630 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
632 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
634 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
635 if it's a record type.
637 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
639 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
640 mingw includes slightly.
642 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
644 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
645 #undef token before poisoning it.
647 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
649 * alpha.c (check_float_value): Use memcpy, not bcopy.
651 * m32r.c (m32r_sched_reorder): Likewise.
653 * vax.c (check_float_value): Likewise.
655 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
657 * toplev.c (file_name_nondirectory): Remove.
658 * toplev.h: Similarly.
659 * dwarf2out.c (compute_section_prefix): Use lbasename instead
660 of file_name_nondirectory.
662 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
664 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
665 * mips-tfile.c: Don't #undef rindex; not used.
667 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
669 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
670 (dbx64_register_map): Declare.
671 (RETURN_ADDR_RTX): Fix for 64bit.
672 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
673 (INCOMING_FRAME_SP_OFFSET): Set to 8.
674 * i386.c (dbx64_register_map): New global array.
675 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
676 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
679 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
681 * cppfiles.c (search_from): Use lbasename.
682 * mkdeps.c (deps_add_default_target): Use lbasename.
684 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
686 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
687 xcalloc in lieu of malloc, realloc & calloc.
689 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
691 * gengenrtl.c (xmalloc): Likewise.
693 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
694 really_call_* memory allocation routines.
696 * stmt.c (check_for_full_enumeration_handling): Use
697 really_call_calloc, not calloc.
699 * system.h (really_call_malloc, really_call_calloc,
700 really_call_realloc): Define.
701 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
703 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
705 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
707 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
709 * configure: Rebuilt.
710 * configure.in: Only use `lang_requires' for languages athat are
713 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
715 * invoke.texi: Fix typo.
718 2001-03-09 Zack Weinberg <zackw@stanford.edu>
720 * configure.in: Prune nonexistent files from build_xm_file,
721 xm_file, and host_xm_file lists. Warn unless they're
723 Don't generate *config.h here.
724 AC_SUBST all variables needed to generate *config.h.
725 * configure: Regenerate.
726 * mkconfig.sh: New helper script, from code removed from
728 * Makefile.in: Zap all MALLOC variables - no longer used
729 anywhere, and malloc.c doesn't exist.
730 Substitute in variables needed to generate *config.h.
731 Stop lying about the dependencies contained in CONFIG_H and
733 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
734 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
735 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
736 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
737 $(TM_P_H), etc. as appropriate.
739 * config.gcc: Zap references to deleted files.
740 * ggc-none.c: Don't include rtl.h or tm_p.h.
742 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
743 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
744 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
745 config/i386/xm-linux.h, config/i386/xm-linux.h,
746 config/i386/xm-next.h, config/i386/xm-openbsd.h,
747 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
748 Don't include i386/xm-i386.h.
750 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
751 config/i386/xm-i386.h, config/i860/xm-i860.h,
752 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
753 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
754 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
755 Delete (empty except comments, #includes of other deleted
756 files, and macros used nowhere).
758 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
760 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
761 independent on TARGET_FLAGS.
763 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
765 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
767 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
769 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
771 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
772 LAST_REX_SSE_REG): define.
773 (enum reg_class): Add 'LEGACY_REGS'
774 (REG_CLASS_CONTENTS): Likewise; add extended registers.
775 (SSE_REGNO_P): Recognize extended registers.
776 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
777 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
778 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
779 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
780 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
781 REG_OK_FOR_STRREG_P): Remove.
782 (HI_REGISTER_NAMES): Add extended registers.
783 (ADDITIONAL_REGISTER_NAMES): Likewise.
784 (QI_REGISTER_NAMES): Add 8bit extended registers.
785 (DEBUG_REG): Support extended registers.
786 * i386.c (regclass_map): Add extended registers.
787 (dbx_register-map): Likewise.
788 (svr4_dbx_register_map): Likewise.
789 (print_reg): Support extended registers.
790 (print_operand): Support 64bit operands.
792 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
794 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
795 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
796 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
797 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
798 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
799 STACK_BOUNDARY): Set properly for 64bits.
800 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
801 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
802 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
803 (MOVE_MAX): Set to 16.
804 (MOVE_MAX_PIECES): 8 for 64bit.
805 (Pmode): Set to SImode.
807 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
809 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
811 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
813 * i386.h (mask_64bit): New constant.
814 (target_64bit): New macro.
815 (target_options): Add '64'/'32'
816 (target_default): Define.
817 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
818 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
819 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
821 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
823 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
825 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
827 * rtlanal.c (rtx_varies_p): Check operand 0 of a
828 LO_SUM unless for_alias is set.
830 2001-03-08 Stan Shebs <shebs@apple.com>
832 * objc/objc-act.c: Fix old typos in comments, add comments for
834 (hash_init): Fix file name in error message.
836 (hash_add_attr): Ditto.
837 (continue_class): Ditto.
839 2001-03-08 Bruce Korb <bkorb@gnu.org>
841 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
842 wait4() can receive the signal.
844 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
846 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
848 * fixinc/fixincl.x: Regenerate.
850 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
852 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
854 * fixinc/fixincl.x: Regenerate.
856 2001-03-08 Richard Henderson <rth@redhat.com>
858 * configure.in (HAVE_AS_LEB128): New assembler check.
859 * configure, config.in: Rebuilt.
861 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
863 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
866 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
868 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
869 references to the MAXPATHLEN macro.
871 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
872 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
875 * config/i386/xm-gnu.h, config/xm-gnu.h,
876 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
877 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
878 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
881 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
882 doing so in various xm-*.h files.
884 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
886 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
888 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
890 * configure.in (enable_shared): Support per-package shared-library
892 * configure: Rebuilt.
894 2001-03-07 David Edelsohn <edelsohn@gnu.org>
896 * rs6000.md (cr logic): Add original POWER mnemonic alternative
897 for crnot. Set operands[5] in splitter.
899 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
901 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
902 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
903 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
904 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
905 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
906 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
907 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
910 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
911 config/i370/xm-i370.h, config/i386/xm-dgux.h,
912 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
913 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
914 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
915 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
916 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
917 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
918 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
919 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
920 Delete unused and/or empty files.
922 * config.gcc: Define USG in xm_defines as appropriate. Define
923 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
924 macro. Remove deleted xm-* files from $xm_files variable.
926 2001-03-07 Tom Tromey <tromey@redhat.com>
928 * configure: Rebuilt.
929 * configure.in: Allow config-lang.in to set `lang_requires' to list
930 of other required languages.
932 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
934 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
936 (output_prologue): Use xmalloc not oballoc.
937 (output_epilog): Free a29k_first_epilogue_insn when finished.
938 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
940 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
942 * builtins.c (expand_builtin_mathfn): Check
943 flag_unsafe_math_optimizations, not flag_fast_math.
944 (expand_builtin): Likewise
945 * combine.c (combine_simplify_rtx): Likewise.
946 (simplify_if_then_else): Likewise.
947 * cse.c (fold_rtx): Likewise.
948 * flags.h: Remove flag_fast_math. Add
949 flag_unsafe_math_optimizations and flag_trapping_math.
950 * fold-const.c (negate_expr): Check
951 flag_unsafe_math_optimizations, not flag_fast_math.
952 (invert_truthvalue): Likewise.
953 (fold): Likewise. Before associating operands, check that
954 code == MULT_EXPR, not code != MULT_EXPR.
955 * ifcvt.c (noce_try_minmax): Check
956 flag_unsafe_math_optimizations, not flag_fast_math.
957 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
958 * invoke.texi: Document -funsafe-math-optimizations and
959 -fno-trapping-math. Change documentation for -ffast-math.
960 * jump.c (reversed_comparison_code_parts): Likewise.
961 (rtx_equal_for_thread_p): Likewise.
962 * optabs.c (emit_conditional_move): Likewise.
963 * simplify-rtx.c (simplify_binary_operation): Likewise.
964 (simplify_relational_operation): Likewise.
965 (simplify_ternary_operation): Likewise.
966 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
967 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
968 Add trapping-math and unsafe-math-optimizations entries to f_options.
969 (set_fast_math_flags): New, sets flags for -ffast-math.
970 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
971 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
972 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
974 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
975 (alpha_emit_conditional_move): Initialize local_fast_math to
976 flag_unsafe_math_optimizations, not flat_fast_math.
977 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
978 instead of setting flag_fast_math to 1.
979 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
981 * config/i386/i386.c (override_options): Likewise
982 * config/i386/i386.md: Likewise.
983 * config/m68k/m68k.md: Likewise.
984 * config/mips/mips.md: Likewise.
985 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
986 (rs6000_generate_compare): Likewise.
988 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
990 * Makefile.in: Set RANLIB to @RANLIB@.
993 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
995 * fixinc/inclhack.def (djgpp_wchar_h): New test.
996 * fixinc/fixincl.x: Regenerated.
998 2001-03-07 Richard Henderson <rth@redhat.com>
1000 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
1002 2001-03-07 Richard Henderson <rth@redhat.com>
1004 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
1005 of block notes and exception handling notes.
1007 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
1008 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
1009 (compile_file): ... here.
1011 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1013 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
1015 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
1016 config.h now. Include libiberty.h to handle alloca.
1018 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1020 * c-parse.in (yylexname): New function, split out of _yylex.
1021 (objc_rid_sans_at): New table.
1022 (init_reswords): Initialize it.
1023 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
1024 retrieving the next token and checking it for significance as
1025 an ObjC keyword or string constant.
1027 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
1028 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
1030 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
1033 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
1035 * config/m68k/m68k.c (const_uint32_operand): Accept any
1036 const_int on a 32-bit host.
1038 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
1040 * objc/objc-act.c (init_objc): Set save_lang_status,
1041 restore_lang_status, and mark_lang_status.
1043 2001-03-06 Krister Walfridsson <cato@df.lth.se>
1045 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
1047 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
1049 * cppinternals.texi: Update.
1051 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1053 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1054 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
1055 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
1056 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1057 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
1058 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1059 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
1060 config/i386/xm-i386.h, config/i860/xm-i860.h,
1061 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1062 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
1063 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1064 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1065 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1066 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1067 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
1068 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1069 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
1070 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1071 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1072 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
1073 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
1074 match the defaults provided in hwint.h.
1076 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1077 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
1079 * config.gcc (xm_file): Don't set to files which are deleted.
1081 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
1082 guard this file against these macros being undefined.
1084 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1086 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
1087 and DECL_DEFER_OUTPUT on the decl we create, before calling
1088 rest_of_decl_compilation.
1090 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1092 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
1094 * configure, config.in: Regenerate.
1095 * config.gcc: Remove references to deleted files.
1097 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
1098 genrecog.c, rtl.c: Do not use alloca anywhere.
1100 * Makefile.in, build-make, system.h, config/x-interix,
1101 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
1102 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
1103 config/arc/xm-arc.h, config/arm/xm-arm.h,
1104 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1105 config/h8300/xm-h8300.h, config/i370/x-oe,
1106 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
1107 config/i386/x-ncr3000, config/i386/x-sco5,
1108 config/i386/xm-dgux.h, config/i860/x-sysv4,
1109 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
1110 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
1111 config/m68k/x-hp320g, config/m69k/x-mot3300,
1112 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
1113 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
1114 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
1115 config/m88k/x-sysv4, config/m88k/x-tekXD88,
1116 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1117 config/mips/x-iris, config/mips/x-iris3,
1118 config/mips/x-sni-svr4, config/mips/x-sysv,
1119 config/mips/xm-iris6.h, config/mips/xm-mips.h,
1120 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
1121 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
1122 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1123 config/pa/xm-papro.h, config/romp/xm-romp.h,
1124 config/rs6000/x-aix31, config/rs6000/x-aix41,
1125 config/rs6000/x-beos, config/rs6000/x-lynx,
1126 config/rs6000/x-mach, config/rs6000/x-rs6000,
1127 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
1128 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1129 config/sparc/x-sysv4, config/sparc/xm-linux.h,
1130 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
1131 config/vax/xm-vms.h: Eradicate all references to alloca and
1134 * config/xm-alloca.h, config/clipper/x-clix,
1135 config/i386/xm-sysv4.h, config/i860/x-fx2800,
1136 config/i860/x-sysv3, config/m88k/x-sysv3,
1137 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
1138 (contained only alloca related hacks).
1140 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
1143 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
1145 * invoke.texi: Document __FAST_MATH__.
1147 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1149 * crtstuff.c: Restore include of auto-host.h.
1151 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
1153 Put main() in a separate file, so that the language
1154 front-end can use a different main().
1157 * toplev.c: (main): Rename as toplev_main.
1158 * toplev.h: Declare toplev_main.
1159 * Makefile.in (OBJS): add toplev.o.
1160 (BACKEND): remove toplev.o, add main.o.
1162 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1164 * cppfiles.c (search_from): Special case the empty string.
1166 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1168 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1169 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1170 strlen or strcpy; we already know the length.
1171 (_cpp_compare_file_date): Similarly.
1172 * cpphash.h (struct cpp_reader): Delete done_initialising.
1173 (CPP_PREV_BUFFER): Delete.
1174 * cppinit.c (cpp_start_read): Don't set done_initialising.
1175 * cpplex.c (parse_string): Guarantee null-termination.
1176 (_cpp_equiv_toklists): Remove.
1177 * cpplib.c (glue_header_name): Null-terminate.
1178 (do_line): Don't leak memory.
1179 * cpplib.h (BT_WEAK): Delete.
1180 * cppmain.c (cb_ident): Strings are now null-terminated.
1182 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1184 * gcc.c (convert_filename): Append executable suffix
1185 if NO_AUTO_EXE_SUFFIX is not defined.
1186 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1187 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1189 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1191 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1192 * c-parse.gperf, c-gperf.h: Delete.
1193 (c-gperf.h was accidently re-added to the CVS repo in the rev
1194 1.16 commit by tromey)
1196 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1198 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1199 macro arguments when looking for the '('.
1200 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1201 2 when really parsing arguments; 1 when looking for '('.
1202 Always restore the lexer position.
1204 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1206 * longlong.h (umul_ppmm): Don't use a multiline string.
1208 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1210 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1211 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1212 t_bool in declaration because pcc can't combine volatile with typedef
1215 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1217 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1218 until when it is really needed.
1219 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1220 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1221 * i386.md (float?i?f splitter): Don't force source operand to memory
1223 (sse_movdfcc): Fix constraint.
1224 (sse_movdfcc splitter): Handle properly the second alternative.
1226 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1228 * cpplex.c (parse_string): Unconditionally pedwarn.
1230 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1233 * cppexp.c (parse_number): Update.
1234 * cpplex.c (parse_string): Pedwarn if multiline string does not
1235 result from a system header's macro.
1236 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1237 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1238 for function-like macros too.
1239 * c-lex.c (lex_number): Update.
1241 2001-03-03 Richard Henderson <rth@redhat.com>
1243 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1245 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1247 * combine.c (try_combine): If split with mode-changed scratch
1248 register didn't work, try the original mode.
1250 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1252 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1253 * config/c4x/c4x.h: Likewise.
1254 * stor-layout.c (compute_record_mode): Likewise.
1255 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1257 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1259 * configure.in: Kill tm.h. Include the files in the $tm_file
1260 list in all three of config.h, hconfig.h, tconfig.h, after the
1261 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1262 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1263 * configure: Regenerate.
1264 * Makefile.in (clean): Don't delete tm.h.
1266 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1267 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1268 those are not defined, set SEC and FEC to 0 and 1.
1269 * gcc.texi: Update to match.
1271 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1272 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1273 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1274 Include tconfig.h, not tm.h.
1276 * config/xm-lynx.h, config/xm-std32.h,
1277 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1278 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1279 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1280 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1281 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1282 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1283 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1284 config/i386/xm-i386.h, config/i860/xm-i860.h,
1285 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1286 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1287 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1288 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1289 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1290 config/pa/xm-linux.h, config/pa/xm-pa.h,
1291 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1292 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1293 config/pj/xm-pj.h, config/romp/xm-romp.h,
1294 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1295 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1296 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1297 config/v850/xm-v850.h, config/vax/xm-vax.h,
1298 config/we32k/xm-we32k.h:
1300 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1302 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1303 config/i370/xm-oe.h: Don't include tm.h. Don't define
1305 * config/vax/xm-vms.h: Don't include tm.h.
1307 * config/xm-lynx.h, config/avr/xm-avr.h,
1308 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1309 Delete; made empty by above changes.
1310 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1311 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1312 Don't include config/xm-lynx.h or tm.h.
1314 * config/xm-gnu.h: Don't include fcntl.h.
1315 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1317 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1319 2001-03-02 Richard Henderson <rth@redhat.com>
1321 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1322 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1324 2001-03-02 Richard Henderson <rth@redhat.com>
1326 * Makefile.in (OBJS): Add dwarf2asm.o.
1327 * dwarf2asm.c, dwarf2asm.h: New files.
1328 * dwarf2out.c (*): Use them.
1329 (size_of_uleb128, size_of_sleb128): Remove.
1330 (output_uleb128, output_sleb128): Remove.
1331 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1332 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1333 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1334 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1335 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1336 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1337 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1338 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1339 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1340 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1341 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1342 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1343 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1344 (dwarf2out_frame_debug): Remove unused variables.
1345 (output_loc_operands): Don't abort on 8 byte constants if
1346 host integers are wide enough.
1347 (output_symbolic_ref): Remove.
1348 (size_of_die): Don't assume 4 byte host integers.
1349 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1351 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1352 something stupid with HOST_WIDE_INT to long truncation.
1353 [CONST_DOUBLE]: Likewise.
1355 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1356 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1357 * config/arm/unknown-elf.h: Likewise.
1358 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1359 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1360 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1361 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1362 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1363 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1364 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1365 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1366 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1367 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1368 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1369 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1371 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1373 * cselib.c (hash_rtx): Cast enums to unsigned int.
1375 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1377 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1378 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1380 * c-format.c (C_STD_VER): Cast to int for comparisons.
1381 (check_function_format): Cast various enums to int for &.
1382 (maybe_read_dollar_number): Likewise.
1383 (check_format_info): Likewise.
1384 (check_format_info_main): Likewise.
1385 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1386 (safe_from_p): Likewise.
1387 * varasm.c (const_hash): Cast enum to int for %.
1388 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1389 pcc enum problems with < and ++ operators.
1390 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1391 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1392 (regclass_init): Change enum class to int to iterate over reg_classes.
1393 * genrecog.c (merge_trees): Cast enums for comparison.
1394 * rtl.h (GET_CODE): Cast to enum rtx_code.
1395 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1396 (GET_MODE): Cast to enum machine_mode.
1397 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1398 (GET_NOTE_INSN_NAME): Cast enum to int.
1399 * tree.h (TREE_CODE): Cast to enum tree_code.
1400 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1401 * timevar.c (timevar_print): Change loop variable id from enum to
1403 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1404 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1405 * toplev.c (compile_file): Cast enum DFI to int.
1406 (decode_d_option): Likewise.
1408 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1410 * cppinit.c (append_include_chain): Mark "after" include file name list
1411 as a system directory.
1412 * cpp.texi: Document new behavior.
1414 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1416 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1418 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1420 * cppfiles.c (struct include_file): Update.
1421 (stack_include_file): Use search_from.
1422 (cpp_included, find_include_file): Update.
1423 (cpp_execute_include): Update. ptr->name may not be
1424 null terminated. Use the new search_from member variable
1426 (_cpp_compare_file_date): Similarly.
1427 (search_from): New function, similiar to actual_directory.
1428 (actual_directory): Delete.
1429 (remap_filename): Update. loc->name may not be null terminated.
1430 (struct file_name_list): Rename search_path. Update.
1431 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1432 search_from and dir.
1433 (struct cpp_reader): Remove actual_dirs.
1434 * cppinit.c (struct cpp_pending): Update for renamed objects.
1435 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1436 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1437 * cpplib.h (struct cpp_options): Similarly.
1439 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1441 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1442 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1443 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1444 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1445 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1446 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1447 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1448 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1449 config/i370/xm-oe.h, config/i386/xm-aix.h,
1450 config/i386/xm-i386.h, config/i386/xm-osf.h,
1451 config/i860/xm-i860.h, config/i960/xm-i960.h,
1452 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1453 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1454 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1455 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1456 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1457 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1458 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1459 config/pj/xm-pj.h, config/romp/xm-romp.h,
1460 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1461 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1462 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1463 config/v850/xm-v850.h, config/vax/xm-vax.h,
1464 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1465 Do not define TRUE or FALSE.
1467 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1468 empty by above change.
1469 * config.gcc: Remove references to these files.
1471 * configure.in: Detect stdbool.h.
1472 * configure, config.in: Regenerate.
1473 * system.h: Include stddef.h here if available.
1474 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1475 Then set up a sensible boolean type at the very end.
1477 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1478 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1480 * hash.h: Delete 'boolean' typedef and related #undefs.
1482 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1483 all uses of 'boolean' with 'bool'.
1485 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1487 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1488 * cppexp.c (lex): Cast enums for comparison.
1489 * cppinit.c (parse_option): Cast enum for comparison.
1490 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1491 (cpp_output_token): Likewise.
1492 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1493 (cpp_avoid_paste): Cast enums for minus and comparison.
1495 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1497 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1498 field to all array elements.
1500 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1502 * cpphash.h (struct cpp_reader): Add print_version field.
1503 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1504 just set print_version and other flags as appropriate.
1505 (cpp_post_options): Print version here if print_version is set.
1507 * toplev.c (exit_after_options): New flag.
1508 (independent_decode_option): Don't exit here; just set
1510 (main): Exit after calling lang_hooks.post_options if
1511 exit_after_options is true.
1513 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1514 (merge_include_chains): Adjust comment to match code.
1516 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1518 * stringpool.c (set_identifier): New function.
1519 * tree.h: Prototype it.
1521 * c-parse.in: Kill D_YES. If compiled for objc, call
1522 save_and_forget_protocol_qualifiers from init_reswords.
1523 * objc/objc-act.c (remember_protocol_qualifiers,
1524 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1525 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1527 (save_and_forget_protocol_qualifiers): New function.
1528 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1530 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1532 * c-semantics.c (prune_unused_decls): Return error_mark_node
1533 instead of (tree) 1 to stop traversing the tree chain.
1535 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1537 Fix a problem introduced by Kenner's Feb 18 change.
1538 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1539 flag_cse_skip_blocks only temporarily, not for ever.
1541 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1543 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1544 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1546 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1547 before determining its register class.
1549 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1551 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1552 from reg 4 if current_function_calls_setjmp.
1553 (gen_nop_type): New function.
1554 (ia64_emit_nops): New function.
1555 (ia64_reorg): Call it.
1556 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1558 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1559 code not to try to optimize adds with anything but a REG destination.
1561 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1562 (INSN_PRIORITY_KNOWN): New accessor macro.
1563 * haifa-sched.c (priority): Use it instead of testing priority against
1566 2001-02-28 DJ Delorie <dj@redhat.com>
1568 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1569 since that doesn't work the way gcc wants on a generic m68k.
1571 2001-02-28 Richard Henderson <rth@redhat.com>
1573 * caller-save.c (save_call_clobbered_regs): Fix typo in
1574 comparison last change.
1576 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1578 * i386.c (pentium4_cost): New.
1579 (m_PENT4): New macro.
1580 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1581 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1582 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1583 x86_memory_mismatch_stall): Add Pentium4
1584 (x86_use_q_reg, x86_use_any_reg): Kill.
1585 (override_options): Add pentium4.
1586 (incdec_operand): Return 0 for pentium4.
1587 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1588 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1589 (TARGET_PENTIUM4): Define.
1590 (enum processor_type): Add PROCESSOR_PENTIUM4.
1591 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1592 * i386.md (attribute "cpu"): Add pentium4.
1593 * invoke.texi (march): Add pentium4.
1595 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1597 * i386.md (sse_mov?fcc*): New patterns and splitters.
1598 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1599 the SSE based conditional moves.
1601 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1603 * i386.md (attribute mode): Add "TI".
1604 (movsf_1): Add pxor support; remove constant propagation splitter.
1605 (movdf_integer): Likewise.
1606 (movdf_nointeger): Likewise.
1607 (movxf constant prop splitter): Handle all modes; update for SSE.
1608 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1609 * i386.c (standard_80387_constant_p): Rewrite.
1610 (standard_sse_constant_p): New.
1611 * i386-protos.h (standard_sse_constant_p): New.
1613 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1615 * i386.md (sse_setccsf, sse_setccdf): New.
1616 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1618 * i386.c (sse_comparison_operator): Accept the supported unordered
1619 comparses; be ready for fast_math.
1620 (print_operand): Support 'D'.
1622 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1624 * jump.c (reversed_comparison_code): Kill.
1626 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1628 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1631 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1633 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1634 add missing '%' in constraints.
1636 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1638 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1639 for HOST_BITS_PER_WIDE_INT == 32 too.
1641 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1643 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1645 (insert_save, insert_restore): New parameter save_mode.
1646 (init_caller_save): Update initialization of reg_save_code
1647 and reg_restore_code.
1648 (save_call_clobbered_regs): Compute save_modes and update calls to
1649 reg_save_code and reg_restore_code.
1650 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1651 of spill; update use of reg_restore_code.
1652 (insert_save): Likewise.
1653 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1654 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1655 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1657 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1659 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1660 noce_try_store_flag_inc, noce_try_store_flag_mask,
1661 noce_try_cmove_arith):
1662 Use reversed_comparison_code instead of reverse_comparison and
1663 can_reverse_comparison_p.
1665 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1667 * jump.c (reversed_comparison_code_parts): Allow reversal of
1668 unordered compares in -ffast-math mode; reverse ordered compares
1669 for FP even w/o -ffast-math.
1671 2001-02-27 Richard Henderson <rth@redhat.com>
1673 * print-rtl.c (print_rtx) [i]: Don't print field five on
1674 NOTEs other than NOTE_INSN_DELETED_LABEL.
1676 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1678 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1679 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1681 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1683 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1684 even if walk_subtrees is 0.
1685 * c-semantics.c (prune_unused_decls): Return a non-null value to
1686 stop traversing the tree chain.
1688 2001-02-27 DJ Delorie <dj@redhat.com>
1690 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1691 register, *then* define it as the new CFA.
1693 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1695 * pa.c (override_options): Promote -fpic to -fPIC.
1696 (legitimize_pic_address): Simplify due to removal of
1697 small PIC as a code generation option.
1698 (secondary_reload_class): Similarly.
1699 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1700 (PRINT_OPERAND_ADDRESS): Similarly.
1701 * pa.md (various patterns): Similarly.
1702 (small pic lo_sum pattern): Remove.
1704 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1707 * md.texi (min, max): Document
1709 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1711 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1712 TARGET_PARTIAL_REG_DEPENDENCY.
1713 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1715 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1717 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1719 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1721 * mips.c (mips_make_temp_file): Fix thinko in last change.
1723 2001-02-26 Jason Eckhardt <jle@redhat.com>
1725 * combine.c (known_cond): Do not reverse the condition when
1726 SMAX/UMAX is being considered and the condition is for equality
1729 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1731 2001-02-26 Philip Blundell <philb@gnu.org>
1733 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1735 * config/arm/linux-elf.h: Remove historical relics related to
1736 above configurations.
1737 * config/arm/linux-oldld.h: Delete.
1738 * config/arm/linux-elf26.h: Delete.
1740 2001-02-26 Jason Merrill <jason@redhat.com>
1742 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1744 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1745 recognize a tentative definition. Lose obsolete code.
1747 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1748 variables unless necessary, either.
1750 2001-02-25 Richard Henderson <rth@redhat.com>
1752 * ifcvt.c (struct noce_if_info): Add test_bb.
1753 (noce_get_alt_condition): New.
1754 (noce_try_minmax, noce_try_abs): New.
1755 (noce_operand_ok): New.
1756 (noce_process_if_block): Use them.
1757 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1759 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1761 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1764 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1766 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1767 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1769 (mips_asm_file_end): Free temp_filename here.
1771 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1773 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1774 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1776 * config/i386/i386.md (movstrsi): Handle FAIL case.
1778 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1780 * cppinit.c (builtin_array): Update.
1781 (init_builtins): Flag builtins to warn if redefined or
1782 undefined. Define __GXX_WEAK as a normal macro.
1783 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1784 * cpplib.h (NODE_WARN): New flag.
1785 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1786 Handle __STDC__ as a builtin only on Solaris.
1787 (warn_of_redefinition): Renamed from check_macro_definition.
1788 Reverse sense of test. Always warn if NODE_WARN.
1789 (_cpp_create_definition): Use warn_of_redefinition. Flag
1790 any macro beginning with "__STDC_" to require a mandatory
1791 warning if redefined or undefined.
1793 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1795 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1796 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1797 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1798 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1799 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1800 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1801 Don't define any of:
1802 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1803 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1804 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1805 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1806 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1808 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1809 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1812 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1813 Delete now-empty file.
1815 * alpha/vms.h: Define NEED_ATEXIT here...
1816 * alpha/xm-vms.h: ...not here.
1818 * i386/cygwin.h: Don't define PARAMS.
1819 * mips/mips.c: Don't prototype mktemp. Don't define
1820 P_tmpdir. Use make_temp_file to create temporary files.
1821 Don't be clever and delete temporary files early.
1822 * config.gcc: Drop references to deleted files. Don't define
1824 * gcc.texi: Don't mention USE_PROTOTYPES.
1826 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1828 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1829 (ix86_set_move_mem_attrs_1): Likewise.
1830 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1831 * config/i386/i386.md (movstrsi): Call it.
1833 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1835 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1836 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1837 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1838 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1840 (i750a-*-*): Error here if hosting on i750a.
1841 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1843 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1844 Remove (empty modulo comments).
1846 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1847 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1848 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1849 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1850 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1851 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1853 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1854 Remove reference to winnt.h in comment.
1855 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1857 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1859 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1860 used to set another biv.
1862 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1864 * tree.h (BLOCK_DEAD): New macro.
1865 (struct tree_block): New flag, dead_flag.
1866 * print-tree.c (print_node, case 'b'): Print missing fields.
1867 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1868 * function.c (identify_blocks): Enable test for misplaced notes.
1869 (all_blocks): Skip BLOCK_DEAD blocks.
1870 * integrate.c (integrate_decl_tree): Likewise.
1872 * errors.c (internal_error, trim_filename): New functions.
1873 (fancy_abort): Call internal_error.
1874 * errors.h (internal_error, trim_filename): New declarations.
1876 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1878 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1880 (EXTRA_CONSTRAINT): Formatting changes.
1882 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1884 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1886 2001-02-23 Per Bothner <per@bothner.com>
1888 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1889 so they can be called from java/jvspec.c.
1890 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1892 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1894 * i386.c (ix86_frame): New structure.
1895 (ix86_compute_frame_size): Kill.
1896 (ix86_compute_frame_layout): New.
1897 (ix86_save_reg): New.
1898 (ix86_can_use_return_insn_p): Use frame layout stuff.
1899 (ix86_expand_prologue): Likewise.
1900 (ix86_expand_epilogue): Likewise.
1901 (ix86_initial_elimination_offset): Likewise.
1902 (ix86_nsaved_regs): Use ix86_save_reg.
1903 (ix86_emit_save_regs): Likewise.
1905 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1907 * flow.c (find_sub_basic_blocks): New function.
1908 (split_block): Be ready for basic block introduced by CODE_LABEL.
1909 (commit_one_edge_insertion): Call find_sub_basic_block.
1911 * flow.c (make_edges): Add edge from entry for blocks starting with
1912 label having ALTERNATE_NAME
1914 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1916 * function.c (epilogue_done): Be ready for first basic block not
1917 containing PROLOGUE_END note.
1918 (reposition_prologue_and_epilogue_notes): Avoid placing
1919 PROLOGUE_END note between BASIC_BLOCK.
1921 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1923 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1925 2001-02-21 DJ Delorie <dj@redhat.com>
1927 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1928 check for current_function_has_nonlocal_goto from 1999-11-12.
1930 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1932 * diagnostic.c (trim_filename): No longer static.
1933 * toplev.h (trim_filename): Declare.
1934 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1935 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1936 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1937 (rtvec_check_failed_bounds): Likewise.
1938 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1940 * convert.c (convert_to_integer): Don't do unsigned unless result or
1941 both inputs are unsigned.
1943 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1946 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1948 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1950 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1952 * Makefile.in (resource.o): Add params.h dependence.
1953 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1954 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1955 * resource.c: Add dependence on params.h.
1956 (current_live_regs): Fix explanatory comment.
1957 (find_basic_block): Add new parameter to permit limiting search
1959 (mark_target_live_regs): Add new argument to find_basic_block call.
1960 (incr_ticks_for_insn): Likewise.
1962 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1964 * diagnostic.c (output_to_stream): Rename to
1965 output_buffer_to_stream. Loses the stream parameter.
1966 (init_output_buffer): Set diagnosic_buffer's stream.
1967 (flush_diagnostic_buffer): Adjust.
1968 (default_print_error_function): Likewise.
1969 (finish_diagnostic): Likewise.
1970 (verbatim): Likewise.
1972 * diagnostic.h (struct output_buffer): Add `stream' field.
1973 (output_buffer_attached_stream): New macro.
1975 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1977 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1978 check if either operand is divisible by C.
1979 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1980 If type is signed, consider negative numbers as well.
1982 2001-02-22 Richard Henderson <rth@redhat.com>
1984 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1985 reach .text instead of gp-relative relocs.
1986 * config/ia64/crtend.asm (.init): Likewise.
1988 2001-02-22 Andreas Jaeger <aj@suse.de>
1990 * extend.texi (C++ Attributes): Fix typo.
1992 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1994 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1995 functions, drop current_function_args_info.words test.
1996 (ia64_compute_frame_size): Mark syscall_linkage functions as
1997 using eight input registers.
1999 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
2000 Bruce Korb <bkorb@gnu.org>
2002 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
2003 * fixinc/README: Document how to convert sed substitutions
2004 to format style c_fix-es.
2005 * fixinc/fixincl.x: regen
2007 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
2009 * gcc.c: Add comment explaining how to add a command-line option.
2010 Add title to specs language comment.
2012 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2014 * gcc.c (cc1_options): Add "-param".
2015 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
2016 (option_map): Likewise.
2017 * toplev.c (display_help): Add entry for "--param".
2018 (independent_decode_option): Fix typographical error.
2020 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2021 Bernd Schmidt <bernds@redhat.com>
2022 Jan Hubicka <jh@suse.cz>
2024 * i386.c (function_arg_advance): Pass SSE arguments in registers.
2025 (function_arg): Likewise.
2027 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
2029 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2031 2001-02-21 Kazu Hirata <kazu@hxi.com>
2033 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2037 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
2039 * flow.c (init_propagate_block_info): Canon address and use single_set
2040 for killing dead memory stores.
2042 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2044 * Makefile.in (reorg.o): Add params.h dependence.
2045 * params.def: Fix typographical error in comment.
2046 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2047 * params.h: Modify introductory comment.
2048 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2049 * reorg.c: Add dependence on params.h.
2050 (redundant_insn): Add parameterized throttle for search.
2051 (fill_simple_delay_slots): Add a comment explaining a variable.
2052 Move conditional out of loop, simplifying code.
2053 (fill_eager_delay_slots): Fix typographical error in comment.
2055 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
2057 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
2059 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
2060 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
2062 2001-02-21 Jason Merrill <jason@redhat.com>
2064 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
2065 (struct tree_decl): Add uninlinable bitfield.
2066 * c-decl.c (duplicate_decls): Set it.
2067 * integrate.c (function_cannot_inline_p): Check it.
2069 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
2070 DW_AT_MIPS_linkage_name to abstract methods.
2071 (dwarf2out_abstract_function): Emit class context before calling
2072 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
2073 (gen_subprogram_die): Remove obsolete code.
2074 (gen_member_die): Don't include clones in the member list.
2075 (gen_decl_die): Emit abstract info for clone origin.
2076 * dwarfout.c (output_type): Don't include clones in the member list.
2077 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
2078 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
2079 DECL_ABSTRACT on a function that already has it set.
2081 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
2082 (get_subprogram_die): Pass it in.
2084 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
2086 * flow.c (mark_set_1): Make not_dead unsigned long. For
2087 non-pseudos, use it as a bitmask of the hard regs that
2090 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
2092 * cppfiles.c: Update comments.
2093 (_cpp_read_file): Don't check for NULL filenames any more.
2094 * cppinit.c (cpp_start_read): Don't do canonicalization of
2095 in_fname and out_fname. Use the passed file name exclusively.
2096 (_cpp_handle_options): Don't treat "-" as a command line option,
2097 but as a normal filename.
2098 (_cpp_post_options): Canonicalize in_fname and out_fname.
2099 * cppmain.c (printer_init): Don't check out_fname for NULL.
2100 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2101 (init_c_lex): Update, and use "" to represent stdin to CPP.
2104 2001-02-20 Will Cohen <wcohen@redhat.com>
2106 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2107 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2108 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2111 2001-02-20 Stan Shebs <shebs@apple.com>
2113 * config/rs6000/rs6000.c (output_cbranch): Output branches
2114 on separate lines instead of using ';' to separate.
2116 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
2118 * cppinit.c (set_lang): Move builtin handling to...
2119 (init_builtins): ...here.
2120 (_cpp_create_reader): Move call to set_lang.
2122 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2124 * stmt.c (expand_return): If an attempt is made to return the
2125 error_mar_node, treat the return like a return without a value.
2127 2001-02-19 Zack Weinberg <zackw@stanford.edu>
2129 * sibcall.c (skip_copy_to_return_value): Call
2130 identify_call_return_value here, and return orig_insn if it
2131 returns zero. Hardret and softret arguments now unnecessary.
2132 (call_ends_block_p): Don't call identify_call_return_value here.
2134 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2136 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2137 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2139 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
2141 * pa.c (move_operand): Accept code to load the address of a
2142 symbol out of the DLT as a valid move operand.
2143 (print_operand, case 'A'): New to handle generating a DLT
2144 reference for a LO_SUM expression.
2145 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2146 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2148 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2150 * README, cpp.texi, gcc.texi, version.c: Update version number to
2152 * cpp.1, gcov.1, gcc.1: Regenerate.
2154 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2156 * cppfiles.c (stack_include_file): Generate dependencies
2157 here, and manage include_count here too.
2158 (PRINT_THIS_DEP): Delete.
2159 (_cpp_execute_include): Do not generate dependencies here,
2160 apart from the case of a missing header. Do not manage
2162 (_cpp_read_file): Leave dependency generation to
2165 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2167 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2168 target_cpu_default. Remove dead assignment to
2171 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2173 * regclass.c (contains_reg_of_mode): Make global.
2174 (init_reg_sets): Remove contains_reg_of_mode; take into account
2175 CLASS_MAX_NREGS when looking for the proper mode.
2176 (dump_regclass): Dump only classes considered for the pseudo.
2177 (regclass): Use contains_reg_of_mode.
2179 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2181 * gcc.c (do_spec_1): 'n' for printing notices.
2182 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2184 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2186 * reg-stack.c (next_flags_user): Use current_block->end
2187 (swap_rtx_condition): Look for next user if flags don't die;
2188 give up on CALL_INSNs; use current_block->end.
2190 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2192 * sibcall.c (call_ends_block_p): New function.
2193 (optimize_sibling_and_tail_recursive_call): Use it.
2195 2001-02-18 Kazu Hirata <kazu@hxi.com>
2197 * config/h8300/h8300.md: Update copyright.
2198 (andsi3): Do not output an extra newline character.
2200 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2202 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2203 FNDECL may be unused.
2205 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2206 follow jumps after first run.
2207 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2208 it doesn't change any jumps.
2210 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2212 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2213 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2214 (mostlyclean): Corresponding changes.
2215 * rtlanal.c (hard-reg-set.h): Include.
2216 (rtx_unstable_p): Do not treat the argument pointer specially
2217 if it is not a fixed register.
2218 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2220 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2222 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2223 against last real insn in basic block.
2224 Rework to avoid gotos.
2226 * Makefile.in (gcse.o): Now includes ggc.h.
2227 * gcse.c: Include ggc.h.
2228 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2229 (try_replace_reg): Remove warning of uninitialize variable.
2230 (process_insert_insn): Call invalid_insn_p to validate insn.
2231 * recog.c (insn_invalid_p): Now global.
2232 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2233 * recog.h (insn_invalid_p): New declaration.
2235 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2237 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2238 assignments from FP constants since 'Y' output code can't handle it.
2239 (eligible_for_sibcall_delay): Likewise.
2241 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2242 Call fancy_abort directly, passing args.
2243 (print_rtl_and_abort): Now a macro, like fancy_abort.
2245 * final.c (output_operand_lossage): Use internal_error, not error.
2247 2001-02-18 Shane Nay <shane@agendacomputing.com>
2249 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2250 structure shift insns.
2252 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2254 * invoke.texi (-fsquangle): Remove documentation.
2255 (-fname-mangling-version): Likewise.
2257 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2259 * optabs.c (expand_abs): Remove reference to
2260 HAVE_contitional_arithmetic.
2261 * combine.c (simplify_set): Likewise.
2263 2001-02-18 Richard Henderson <rth@redhat.com>
2265 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2268 2001-02-18 Richard Henderson <rth@redhat.com>
2270 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2272 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2274 * reload1.c (reload_cse_simplify_set): Fix typo.
2276 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2278 * diagnostic.c (_fatal_insn): Decrement errorcount.
2280 * invoke.texi (-I): Add note avoiding use for system header files.
2282 * rtl.h (add_clobbers): Remove duplicate declaration.
2283 * recog.h (added_clobbers_hard_reg_p): New declaration.
2284 * genemit.c (struct clobber_pat): New field has_hard_reg.
2285 (gen_insn): Record if added clobbers clobber hard reg.
2286 (gen_split): Avoid unused warning if number of operands is 0.
2287 (output_added_clobbers_hard_reg_p): New function.
2290 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2292 * pa.c (hppa_expand_prologue): Simplify code storing return
2293 pointer. For large (>=8k) frames with a post_store, adjust stack
2294 pointer by 8k-64 first rather than by 64. When testing with
2295 VAL_14_BITS_P, always use the actual value rather than the value
2296 negated. Add blockage to prevent scheduling of spills before
2297 stack frame has been created.
2298 (hppa_expand_epilogue): Simplify code loading return pointer.
2299 Allow a slightly larger range for merge_sp_adjust_with_load case.
2300 When testing with VAL_14_BITS_P, always use the actual value.
2302 * pa.c (pa_adjust_insn_length): Check that block move
2303 pattern is a set before looking at operands.
2305 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2307 * fold-const.c (fold_binary_op_with_conditional_arg): New
2308 function, split out from ...
2310 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2311 conditional arms that throw exceptions.
2313 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2316 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2318 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2319 define HAVE_DECL_* to 1 to mask potential backup declarations.
2320 * configure: Regenerated.
2322 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2324 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2326 2001-02-17 Richard Henderson <rth@redhat.com>
2328 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2329 when replacing a memory load with a register.
2331 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2332 Jan Hubicka <jh@suse.cz>
2334 * recog.c (validate_replace_src_1): New.
2335 (validate_replace_src_data): Likewise.
2336 (validate_replace_src): Use note_uses.
2337 * rtl.h (note_uses): Declare.
2338 * rtlanal.c (note_uses): New.
2340 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2342 * reg-stack.c (stack_def): Make field reg unsigned.
2343 (remove_regno_note): Unsignetize parameter.
2345 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2347 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2348 shladd_operand() call.
2350 2001-02-16 Bruce Korb <bkorb@gnu.org>
2351 Rodney Brown <RodneyBrown@mynd.com>
2353 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2354 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2355 machine restrictions
2356 * fixinc/fixincl.x: regen
2358 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2360 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2362 (hash_scan_insn): Clean up calls to hash_scan_set.
2363 (compute_kill_rd): REGNO now unsigned.
2364 (try_replace_reg): Rework to use simplify_replace_rtx.
2365 (cprop_jump, cprop_cc0_jump): Likewise.
2366 (cprop_insn): Call find_reg_equal_equiv_note.
2367 Reflect changes to cprop_jump and cprop_cc0_jump.
2369 * recog.c (validate_replace_src): Replace in operands of
2370 ZERO_EXTRACT in SET_DEST.
2372 * cse.c (new_label_ref): New variable.
2373 (insert): Set it instead of recorded_label_ref.
2374 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2375 CODE_LABEL for this function, and not already in REG_LABEL note.
2377 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2379 * resource.c (mark_referenced_resources): Fix typo in introductory
2381 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2384 2001-02-16 Jason Merrill <jason@redhat.com>
2386 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2388 (gen_subprogram_die): Don't abort on seeing a second definition if
2389 the previous one was abstract. Don't replace an abstract instance
2390 in the lookup table.
2392 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2393 gen_abstract_function.
2394 * dwarf2out.h: Declare it.
2395 * toplev.c (note_outlining_of_inline_function): New fn.
2396 * toplev.h: Declare it.
2397 * integrate.c (output_inline_function): Call it.
2398 * c-decl.c (duplicate_decls): Call it when redefining an extern
2399 inline. Don't inline the new defn.
2401 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2403 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2405 * .gdbinit: Rename to gdbinit.in.
2406 * gdbinit.in: New file,
2407 * configure.in: Generate .gdbinit from gdbinit.in.
2408 * configure: Regenerated.
2409 * Makefile.in (distclean): Always remove .gdbinit.
2411 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2413 * objc/objc-act.c (start_class): Register implemented_classes with
2416 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2418 * cppfiles.c (_cpp_make_system_header): Generate a file
2421 2001-02-15 Jim Meyering <meyering@lucent.com>
2423 * Makefile.in (install-common): Don't depend on installdirs here.
2424 Instead, make each of the lang.install-common targets (e.g.,
2425 c++.install-common in cp/Make-lang.in) depend on it.
2426 (install-driver): Depend on installdirs.
2428 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2430 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2432 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2435 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2437 * invoke.texi (--param): Document.
2439 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2441 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2443 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2445 * i386.md (extendsfdf2_2): Fix constraints.
2447 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2449 * i386.md (fop_df_3 splitter): Fix operand number.
2451 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2453 * invoke.texi (-mreg-alloc): Nuke.
2454 * i386.c (ix86_reg_alloc_order, regs_allocated,
2455 order_regs_for_local_alloc): Nuke.
2456 (override_options): Kill reg_alloc code.
2457 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2458 (REG_ALLOC_ORDER): SSE goes before I387.
2459 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2460 (ix86_reg_alloc_order): Likewise.
2461 * i386-protos.h (ix86_reg_alloc_order): Kill.
2463 2001-02-14 Richard Henderson <rth@redhat.com>
2465 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2467 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2469 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2471 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2473 * i386-protos.h (ix86_memory_move_cost): Move offline.
2474 * i386.c (ix86_register_move_cost): Compute properly cost of
2475 SSE, MMX and i387 instructions.
2476 (*_cost): Add costs of SSE/MMX moves.
2477 (ix86_memory_move_cost): Move offline from ....; Likewise.
2478 * i386.h (MEMORY_MOVE_COST): .... here;
2479 (struct processor costs): Add new fields to represent costs
2482 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2484 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2485 move_cost together with Matt Kraai's fix.
2487 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2489 * Makefile.in (OBJS): Add params.o.
2491 2001-02-14 Richard Henderson <rth@redhat.com>
2492 DJ Delorie <dj@redhat.com>
2494 * jump.c (jump_optimize_1): When we delete a conditional jump
2495 preceeding a non-conditional jump to effectively the same place,
2496 make sure that the combined jump skips any clobber insns between
2499 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2501 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2503 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2505 * Makefile.in (toplev.o): Depend on params.h.
2506 (intergate.o): Likewise.
2507 (params.o): New target.
2508 * flags.h (inline_max_insns): Remove.
2509 * integrate.c: Include params.h.
2510 Use MAX_INLINE_INSNS instead of inline_max_insns.
2511 * params.c: New file.
2512 * params.h: Likewise.
2513 * params.def: Likewise.
2514 * toplev.c: Include params.h.
2515 (lang_independent_params): New variable.
2516 (decode_f_option): Use the param machinery instead of setting
2518 (independent_decode_option): Handle "--param name=value".
2519 (main): Register language-independent parameters.
2521 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2523 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2525 2001-02-14 Richard Henderson <rth@redhat.com>
2527 * regclass.c (init_reg_sets_1): Revert last two changes.
2529 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2531 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2532 (variable_size): Call put_pending_size.
2533 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2534 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2535 sizes list, put newly created SAVE_EXPR there as well.
2537 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2539 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2540 (errata_find_address_regs): load_group has only 2 entries.
2541 (errata_emit_nops): Likewise. shladd is not problematic.
2542 Clear last_group if nop was emitted.
2543 (fixup_errata): load_group has only 2 entries.
2546 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2548 * c-lex.c (lex_number): Only warn traditionally for U suffix
2549 outside system macros.
2550 * cppexp.c (parse_number): Similarly.
2551 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2552 * cppmacro.c (struct cpp_macro): New member node.
2553 (parse_args): Only warn about missing rest args if not
2555 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2556 (cpp_sys_objmacro_p): New.
2557 (_cpp_create_definition): Store the node with the macro defn.
2558 Remember if the macro is defined in a system header.
2560 2001-02-13 DJ Delorie <dj@redhat.com>
2562 * configure.in (check_languages): determine languages to check
2563 * Makefile.in (check-c++): alias for check-g++
2564 (check-f77): alias for check-g77
2565 (CHECK_TARGETS): depend on configured languages
2567 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2569 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2570 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2571 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2572 (sqrtextendsfdf2): Disable for SSE2.
2574 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2576 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2577 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2578 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2579 (sqrtextendsfdf2): Disable for SSE2.
2581 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2583 * i386.md (movsfcc_1): Support integer cmove instruction.
2584 (movdfcc_1): Likewise; new splitter.
2586 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2588 * i386.c (output_fp_compare): Support SSE.
2589 (prepare_fp_compare_args): SSE comparisons always support memory.
2590 * i386.h (TARGET_CMOVE): SSE imply cmove.
2591 * i386.md (cmp?f2): Enable for SSE too.
2592 (cmpfp_i*): Support SSE.
2594 (cmpfp_i_sse_only): New.
2595 (s*, b* fp expanters): Enable for SSE too.
2596 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2599 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2601 * regclass.c (init_reg_sets_1): Silence warning.
2603 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2605 * i386.md (sqrt?f2): Change to expander.
2606 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2608 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2610 * rtlanal.c (find_reg_equal_equiv_note): New function.
2611 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2612 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2613 * rtl.h: Add declarations for above functions.
2615 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2617 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2619 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2620 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2621 * flow.c (mark_regs_live_at_end): Likewise.
2622 (calculate_global_regs_live): Likewise.
2623 * gcse.c (compute_hash_table): Likewise.
2624 (compute_kill_rd): Likewise.
2625 * resource.c (mark_target_live_regs): Likewise.
2626 * rtl.h (INVALID_REGNUM): New macro.
2628 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2630 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2632 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2634 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2637 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2639 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2641 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2642 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2643 (fop_sf_1_sse, fop_df_1_sse): New patterns
2644 (fop_*): Disable float_extend and float patterns for SSE compilation.
2645 * i386.c (output_387_binary_op): Support SSE.
2647 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2649 * i386.md (dummy_extendsfdf2): Support SSE2
2650 (extendsfdf2): Enable if 80387 or SSE2.
2651 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2652 and no MIX_I387_SSE2
2653 (extendsfdf2_1_sse_only): New pattern.
2654 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2656 (truncdfsf2_1): Support SSE.
2657 (truncdfsf2_2): Support SSE.
2658 (truncdfsf2_2_1_sse): New pattern.
2659 (fixtruncsfsi2): Always use SSE if available.
2660 (fix_truncsfsi_sse): New pattern.
2661 (fix_truncdfsi_sse): New pattern.
2662 (floatsis?f2): Support SSE.
2663 (floatsidf2_i387): New pattern.
2664 (floatsidf2_sse): Likewise.
2666 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2668 * configure.in: Use "have_gnat" variable, not "gnat".
2669 * configure: Regenerated.
2671 * config/sparc/sparc.c (function_value): Treat all non-record
2672 aggregate types like used to treat UNION_TYPE.
2674 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2676 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2677 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2679 (MASK_MIX_SSE_I387): New.
2680 (TARGET_SSE): SSE2 imply SSE.
2681 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2682 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2683 (enum reg_class): Add new classes.
2684 (REG_CLASS_NAMES): Likewise.
2685 (REG_CLASS_CONTENTS): Likewise.
2686 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2687 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2688 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2689 (CLASS_MAX_NREGS): Use new macros.
2690 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2691 * i386.md (pushsf, movsf): Support SSE.
2692 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2693 splitters to use ANY_FP_REGNO_P.
2694 (movdf_nointeger, movdf_integer): Likewise.
2696 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2698 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2699 (try_combine): Use it.
2701 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2703 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2704 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2705 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2706 (REGISTER_MOVE_COST): Likewise.
2707 * i386-protos.h (ix86_secondary_memory_needed,
2708 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2709 * i386.c (ix86_secondary_memory_needed,
2710 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2712 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2714 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2715 (HARD_REGNO_MODE_OK): Move offline to ....
2716 * i386.c (ix86_hard_regno_mode_ok) ... here;
2717 refuse all incorrect modes.
2718 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2720 2001-02-13 Richard Henderson <rth@redhat.com>
2722 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2723 entire operator; replicate that and match_dup the operands.
2724 (cmp_ccx_arith_op_set): Likewise.
2725 (cmp_cc_arith_op_not_set): Likewise.
2726 (cmp_ccx_arith_op_not_set): Likewise.
2728 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2730 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2732 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2734 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2735 (TARGET_NO_BITFIELD_WORD): New macro.
2736 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2737 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2739 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2741 * cselib.c: New file, from simplify-rtx.c.
2742 * simplify-rtx.c: Remove cselib parts.
2743 * Makefile.in: Add cselib.o.
2745 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2747 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2748 (setup_incoming_varargs): Remove warning.
2750 * config/rs6000/rs6000.c (validate_condition_mode): When
2751 flag_fast_math, allow floating-point conditionals to be reversed.
2752 (rs6000_generate_compare): When flag_fast_math, don't generate
2753 cror operations for FP conditionals.
2755 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2757 (ASM_SPEC): Likewise.
2758 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2759 (CC1_SPEC): Likewise.
2760 (LINK_TARGET_SPEC): Likewise.
2761 (CPP_ENDIAN_SPEC): Likewise.
2762 * Makefile.in (check-consistency): New target.
2764 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2766 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2767 "return type defaults" warning for functions with return type
2769 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2770 function declarations by default rather than only when pedantic.
2772 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2774 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2777 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2779 * extend.texi (Deprecated): Deprecate new initializer lists.
2781 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2783 * mkdeps.c (deps_add_default_target): Robustify. Add
2784 basename component only.
2785 * cpp.texi (-M): Describe how default target is generated.
2786 * invoke.texi (-M): Likewise.
2788 2001-02-12 Kazu Hirata <kazu@hxi.com>
2790 * toplev.c (push_float_handler): Remove.
2791 (pop_float_handler): Remove.
2792 * toplev.h: Remove prototypes for the above functions.
2794 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2796 * c-common.c (constant_fits_type_p): New function.
2797 (convert_and_check): Use it.
2799 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2801 * Makefile.in (GXX_ABI_FLAG): Don't define.
2802 * configure.in (--enable-new-gxx-abi): Remove option.
2803 * config.in: Regenerated.
2804 * configure: Likewise.
2806 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2808 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2810 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2811 regular basic block, and arrange for all edges into it to switch
2814 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2816 * Makefile.in (distclean): Do not remove .gdbinit.
2818 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2820 * Makefile.in (gcc.o): Fix typos.
2821 (protize.o): Likewise.
2822 (unprotoize.o): Likewise.
2824 2001-02-11 Richard Henderson <rth@redhat.com>
2826 * tree.c (build1): Check for null operand in last change.
2828 2001-02-11 Richard Henderson <rth@redhat.com>
2830 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2831 (fold): Don't assume a constant isn't foldable.
2832 * tree.c (build): Set TREE_CONSTANT for an expression with no
2833 side-effects and constant operands.
2836 2001-02-10 Richard Henderson <rth@redhat.com>
2838 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2840 2001-02-10 Anthony Green <green@redhat.com>
2842 * cpp.texi (Standard Predefined): Add documentation for
2845 * c-common.c (combine_strings): Improve warning message.
2847 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2849 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2851 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2853 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2855 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2858 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2860 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2863 2001-02-09 Nick Clifton <nickc@redhat.com>
2865 * config/arm/arm.md: Change output contraint on post inc
2866 load/store multiple patterns to be a read/write contraint.
2868 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2870 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2871 .o files when using the -M options.
2873 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2874 David Edelsohn <edelsohn@gnu.org>
2876 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2877 handle DImode constants. Use one TOC entry for SImode and smaller
2878 constants, aligned properly.
2880 2001-02-08 Jason Merrill <jason@redhat.com>
2882 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2883 about the SP adjustment for saving the static chain pointer.
2884 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2885 offset when setting a temporary CFA register.
2887 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2889 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2890 powerpc-*-chorusos* .
2891 * config/rs6000/chorus.h : New file.
2892 * config/i386/chorus.h : New file.
2893 * config/sparc/chorus.h : New file.
2894 * config/sparc/t-chorus-elf : New file.
2896 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2898 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2899 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2900 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2901 (__WCHAR_TYPE__): Correct macro name.
2903 2001-02-08 Richard Henderson <rth@redhat.com>
2905 * config/i386/i386.c (ix86_frame_pointer_required): New.
2906 (ix86_setup_frame_addresses): New.
2907 (struct machine_funciton): Add accesses_prev_frame.
2908 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2909 ix86_frame_pointer_required.
2910 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2911 (SETUP_FRAME_ADDRESSES): New.
2912 * config/i386/i386-protos.h: Update.
2913 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2914 from FRAME_POINTER_REQUIRED.
2915 * config/i386/svr3gas.h: Likewise.
2916 * config/i386/sysv3.h: Likewise.
2917 * config/i386/v3gas.h: Likewise.
2919 2001-02-08 Richard Henderson <rth@redhat.com>
2921 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2922 calculation of the number of integer registers required.
2923 (function_arg_record_value): Likewise.
2925 2001-02-08 Jason Merrill <jason@redhat.com>
2927 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2928 two. Print file and line with "confused" message.
2930 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2932 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2934 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2936 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2938 * final.c (cleanup_subreg_operands): The address of a MEM can
2941 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2944 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2946 * gcc.texi (Incompatibilities): Update documentation of
2947 preprocessing numbers.
2949 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2951 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2953 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2955 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2957 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2958 * gcc.c (struct compiler): Add cpp_spec field.
2959 (input_file_compiler): New variable.
2960 (do_spec_1): Allow a particular compiler to handle `%C'
2962 (main): Store the current compiler in input_file_compiler.
2963 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2965 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2967 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2968 * cppinit.c (cpp_create_reader): Initialize them.
2969 (append_include_chain): cxx_aware arg might be unused.
2970 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2971 keywords and give them their phase 7 meaning. Pedwarn about
2972 this unless '__bool_true_false_are_defined' is defined.
2974 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2976 * lcm.c (optimize_mode_switching): Emit mode_set before the
2977 JUMP_INSN of an abnormal edge.
2979 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2981 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2982 a scheduling barrier at the end.
2984 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2986 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2988 * config/sh/sh.md (reload_outsf): Removed.
2989 (movsf_ie): Introduce constraints for FPUL loads and stores.
2990 (reload_insf): Broaden the output constraint.
2992 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2994 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2995 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2997 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2999 * final.c: Revert my previous changes.
3000 * output.h: Make profile_label_no extern.
3001 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3002 for generating label.
3004 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3006 * config/i386/djgpp.h: Add comments about standard paths.
3007 (MD_EXEC_PREFIX): Undefine before defining.
3008 (MD_STARTFILE_PREFIX): New.
3010 2001-01-30 Bruce Korb <bkorb@gnu.org>
3012 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3013 (load_file): do not rely on load_file_data() to close file pointer
3014 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3015 fixinc/inclhack.def(irix_limits_const): add test_text
3017 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3019 * cppexp.c (parse_defined): Improve diagnostics for invalid
3022 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3024 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3026 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3028 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3029 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3030 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3031 (rs6000_output_symbol_ref): New function.
3032 (output_toc): Use VTABLE_NAME_P.
3034 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3036 * print-tree.c (print_node, case PARM_DECL):
3037 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3039 * stor-layout.c (reference_types_internal): New variable.
3040 (internal_reference_types): New function.
3041 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3042 * tree.h (internal_reference_types): New declaration.
3044 * cse.c (find_best_addr): Fix typo in computing cost.
3046 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3048 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3049 and this is the sum of a pointer and a constant, we know the result
3051 (num_sign_bit_copies, case PLUS): Likewise.
3052 * explow.c (convert_memory_address): Remove opposite SUBREG.
3053 * function.c (instantiate_new_reg): New function (from common code).
3054 (instantiate_virtual_regs_1): Call it.
3055 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3056 if pointers sign- or zero-extend.
3057 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3058 If pointers extend unsigned, use inside of SUBREG.
3059 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3061 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3063 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3064 subdir of gcc_gxx_include_dir.
3065 (gcc_gxx_target_include_dir): Remove.
3067 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3069 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3070 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3071 a high-level description.
3073 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3075 * final.c: Move the declaration of profile_label_no to ...
3076 * output.h: ... here.
3077 * function.c (expand_function_start): Call PROFILE_HOOK.
3078 * config/rs6000/aix.h: Define PROFILE_HOOK.
3079 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3080 * config/rs6000/rs6000.c (output_profile_hook): Define.
3081 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3082 output_profile_hook.
3083 tm.texi : Explain new macro PROFILE_HOOK.
3085 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3087 * extend.texi (Extended Asm): Do not say that semicolon is always
3088 a valid line-breaking character for GNU assemblers. Use
3089 newline-tab as the most commonly supported syntax. Use
3090 newline-tab rather than semicolon in multi-insn examples.
3092 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3094 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3096 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3097 David Edelsohn <edelsohn@gnu.org>
3099 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3100 code for AIX, even without flag_pic.
3102 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3104 * c-typeck.c (common_type): push and pop binding level around
3105 calling common_type on function parameters.
3107 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3109 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3111 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3113 * config/mips/mips.c (override_options): Fix typo in last change.
3114 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3115 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3117 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3119 * invoke.texi (-fdump-class-layout): Document.
3120 (-fdump-translation-unit): Use `=' as filename separator.
3122 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3124 * Makefile.in (s-mlib): Don't build multilibs if
3126 (DRIVER_DEFINES): Adjust accordingly.
3128 (protoize.o): Likewise.
3129 (unprotoize.o): Likewise.
3130 * configure.in: Recognize --enable-multilib.
3132 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3134 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3136 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3137 * configure.in: Remove --enable-libstdcxx_v3 support.
3138 * configure: Regenerated.
3140 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3142 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3143 Call abort instead of fatal.
3144 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3145 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3146 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3147 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3148 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3149 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3151 * diagnostic.h (set_internal_error_function): Renamed.
3152 * toplev.h (internal_error): Renamed from fatal.
3153 (pfatal_with_name): Deleted.
3154 (fatal_io_error): Now has printf-style arguments.
3155 * diagnostic.c (pfatal_with_name): Deleted.
3156 (fatal_io_error): Rework to have args in printf-style.
3157 (set_internal_error_function): Renamed from set_fatal_function.
3158 (internal_error): Renamed from fatal.
3159 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3160 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3161 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3162 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3163 * flow.c (verify_flow_info): Likewise.
3164 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3165 * config/mips/mips.c (save_restore_insns): Likewise.
3167 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3168 * flow.c (verify_flow_info): Likewise.
3169 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3170 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3171 (avr_normalize_condition): Likewise.
3172 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3173 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3174 (limit_reload_class, double_reg_to_memory): Likewise.
3175 (print_operand_address, emit_1600_code_shift): Likewise.
3176 (gen_tst_reg, gen_compare_reg): Likewise.
3177 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3178 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3180 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3182 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3183 * objc/objc-act.c (build_ivar_chain): Likewise.
3184 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3186 * graph.c (clean_graph_dump_file): Likewise.
3187 * profile.c (init_branch_prob): Likewise.
3188 * objc/objc-act.c (objc_init): Likewise.
3190 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3191 * config/avr/avr.c (avr_override_options): Likewise.
3192 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3193 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3194 * config/h8300/h8300.c (h8300_init_once): Likewise.
3195 * config/mips/mips.c (override_options): Likewise.
3196 * config/i386/i386.c (override_options): Likewise, rework.
3197 * config/m68k/m68k.c (override_options): Likewise.
3199 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3201 * config/mips/mips.c (print_operand): Likewise.
3202 * hash.c (hash_allocate): Don't check for failure returns from
3203 obstack functions that can't fail.
3204 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3205 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3206 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3207 (get_object_reference): Likewise.
3209 2001-02-04 Nick Clifton <nickc@redhat.com>
3211 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3212 StrongARM1110, 10TDMI, and 1020T.
3214 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3216 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3218 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3220 * config/sh/sh.md (movdf load split): Pass register number to
3221 FP_OR_XD_REGISTER_P.
3223 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3225 * cppinit.c (BC): New macro.
3226 (builtin_array): Add __GXX_WEAK__.
3227 * cpplib.h (builtin_type): Add BT_WEAK.
3228 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3229 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3230 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3232 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3234 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3236 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3238 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3239 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3241 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3243 * cpphash.h: Rename ALIGN _ALIGN.
3244 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3246 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3248 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3249 compilation environment.
3250 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3251 control over location of cygwin includes and libs.
3253 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3255 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3257 2001-02-02 lars brinkhoff <lars@nocrew.org>
3259 * md.texi (Standard Names): remove reference to spur.md.
3261 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3263 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3264 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3265 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3266 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3267 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3269 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3271 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3272 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3273 number before reload.
3274 (c4x_adjust_cost): Return zero before reload.
3275 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3276 split before reload.
3278 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3280 * c4x.c (c4x_hard_regno_rename_ok): New.
3281 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3282 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3284 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3286 * diagnostic.h: Add missing "extern" in all declarations.
3288 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3290 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3291 as for gcc_gxx_include_dir.
3293 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3295 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3297 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3299 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3300 label before alignment to be used as the braf base address.
3301 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3303 (casesi_jump_2): Require at least TARGET_SH2.
3305 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3306 truncation to 32-bit doubles on -m3e and -m4-single-only.
3308 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3310 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3311 the default when building a shared object.
3312 (init_spec): Use it.
3313 * testsuite/lib/g++.exp: Include the directory where libgcc
3314 is located to the LD_LIBRARY_PATH list.
3315 * invoke.texi (-shared-libgcc): Document the cases in which
3316 GCC defaults to using the shared libgcc.
3318 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3320 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3321 unsigned is wide enough.
3323 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3324 (si_to_float): Likewise.
3325 (float_to_si, float_to_usi): Use BITS_PER_SI.
3327 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3329 * dwarf2out.c: Added explanation of abbreviations.
3330 (def_cfa_1): Added comments listing DWARF2 instructions.
3331 (cfa_temp_reg): Removed in favor of cfa_temp.
3332 (cfa_temp_value): Removed in favor of cfa_temp.
3333 (cfa_temp): New global variable.
3334 (dwarf2out_frame_debug_expr): Added extensive introductory
3335 comments explaining the function's transformations. Revised to
3336 use cfa_temp. Added some rtx checking. Generalize IOR case.
3337 (dwarf2out_frame_debug): Revised to use cfa_temp.
3338 (output_aranges): Cast as "unsigned" to avoid warning.
3339 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3340 explain which instructions must be marked.
3342 2001-02-01 Richard Henderson <rth@redhat.com>
3344 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3347 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3349 * config/sh/crt1.asm (main_k): Modified so that start calls
3350 ___setup_argv_and_call_main.
3352 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3354 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3355 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3356 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3357 * cppmacro.c (builtin_macro): Set builtin flags here.
3358 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3359 (replace_args): Clarify intent.
3360 (cpp_get_token): Macro expansion tokens get the saved flags.
3362 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3365 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3367 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3370 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3372 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3373 returns Pmode pseudo, but we need ptr_mode.
3374 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3375 Remove bogus conversions; use HOST_WIDE_INT for size.
3376 Don't use TARGET if wrong mode.
3378 * config/i386/i386.c (ix86_compute_frame_size): Allow
3379 stack_alignment_needed to be non-default even if size is zero.
3381 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3383 * (hppa_init_pic_save): Emit the pic offset table
3384 reg save after last_parm_insn.
3385 * pa.c (hppa_init_pic_save): New function.
3386 * pa.h (hppa_init_pic_save): Declare.
3387 * pa.md (call, call_value, sibcall, sibcall_value): Use
3388 the above instead of duplicated code.
3390 * pa.c (hppa_encode_label): Correct size of alloca buffer
3391 so we don't overrun it. Correct leading `*' case.
3392 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3393 need to handle `*@'.
3394 (FUNCTION_NAME_P): Likewise.
3396 2001-01-31 Richard Henderson <rth@redhat.com>
3398 * config.gcc (alpha-osf5): Use float-i128.h.
3400 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3401 * config/float-i32.h: Likewise.
3402 * config/float-i64.h: Likewise.
3403 * config/float-sh.h: Likewise.
3404 * config/float-sparc.h: Likewise.
3406 2001-01-31 DJ Delorie <dj@redhat.com>
3408 * expmed.c (extract_bit_field): allow non-integral modes if we
3409 want to extract a whole register from itself.
3411 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3413 * c-typeck.c (set_init_index): If first is equal to last, assume as
3414 if it was not a range at all.
3416 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3418 * config/fp-bit.c: Include tm.h.
3419 (float_to_si): Don't assume SImode is 32-bits wide.
3420 (float_to_usi): Likewise.
3422 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3424 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3426 (typename): Call pending_xref_error after parsing typed_typespecs.
3427 * c-decl.c (lookup_tag): Give error immediately rather than
3428 leaving it pending if the tag of the wrong type is in the same
3430 (xref_tag): Don't pedwarn for forward declarations of enum types
3432 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3435 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3437 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3439 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3441 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3442 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3444 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3446 * cpphash.h (struct cpp_reader): New saved_flags.
3447 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3448 to avoid a paste after a pasted token.
3450 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3452 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3453 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3454 Wtype_MIN instead of LONG_MIN.
3456 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3458 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3460 * fixinc/fixincl.x: Regenerated.
3461 * fixinc/inclhack.def (irix_limits_const): New definition to
3462 convert "const" to "__const" in limits.h.
3464 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3466 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3468 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3470 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3471 when register dies in the insn.
3473 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3475 * diagnostic.c (fatal): Fix word wrap.
3477 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3479 * combine.c (try_combine): Fix SUBREG setting for
3480 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3482 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3484 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3487 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3489 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3491 * toplev.c (decode_W_option): Update warn_larger_than
3492 unconditionally for each processed switch.
3494 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3496 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3498 (hppa_expand_prologue): Delete code to save pic offset table register
3499 in the function prologue.
3500 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3501 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3502 table register at the beginning of the function after the prologue.
3504 2001-01-29 lars brinkhoff <lars@nocrew.org>
3506 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3508 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3509 Jeff Law <law@redhat.com>
3511 * pa.md (return): Revise comment for trivial return.
3512 (return_internal): Non-trivial return pattern for non-PIC code.
3513 (return_internal_pic): Non-trivial return pattern for PIC code.
3514 It uses the PIC register to ensure it is restored after
3516 (epilogue): Generate appropriate return for PIC and non-PIC code.
3518 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3520 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3522 2001-01-29 DJ Delorie <dj@redhat.com>
3524 * combine.c (if_then_else_cond): Pass the correct mode to
3525 operand_subword() for constants.
3527 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3529 * config/i386/cygwin.h: Add w32api to include search. Search different
3530 directories in a cross-build environment.
3532 2001-11-29 Tim Josling <tej@melbpc.org.au>
3534 * tree.h (TYPE_STUB_DECL): Add documentation.
3536 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3538 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3539 (sdbout_field_types): Likwise. Fix use of host_integerp.
3541 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3543 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3546 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3548 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3549 to use flag_gnu_linker.
3551 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3553 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3554 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3556 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3558 * tree.c, tree.h (build_parse_node): Remove; was identical to
3560 * c-lang.c (start_cdtor), objc/objc-act.c
3561 (build_module_descriptor): Use build_nt instead of
3564 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3566 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3567 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3568 not have any upper bits set.
3570 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3572 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3574 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3576 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3578 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3580 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3581 (integer_minus_one_node): Define.
3583 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3585 * Makefile.in (bootstrap2-lean): Fix typo.
3587 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3589 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3590 : Don't set fe_value.
3591 * cpplib.h (AVOID_LPASTE): New flag.
3592 (struct cpp_hashnode): Remove fe_value.
3593 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3594 * cppmacro.c (builtin_macro): Don't set flags here.
3595 (replace_args): Set AVOID_LPASTE flag on first token of an
3596 argument, and the token following it.
3597 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3598 macro expansion, and on the token following it. Do it for
3600 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3602 2001-01-27 Richard Henderson <rth@redhat.com>
3604 * config/alpha/t-ieee: Remove multilibbing.
3605 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3607 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3609 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3611 * Makefile.in: Remove all dependencies on defaults.h.
3612 * builtins.c: Don't include defaults.h.
3613 * c-common.c: Likewise.
3614 * c-decl.c: Likewise.
3615 * c-pragma.c: Likewise.
3616 * c-typeck.c: Likewise.
3617 * combine.c: Likewise.
3619 * frame-ia64.c: Likewise.
3620 * cppexp.c: Likewise.
3621 * crtstuff.c: Likewise.
3622 * dbxout.c: Likewise.
3623 * dwarf2out.c: Likewise.
3624 * dwarfout.c: Likewise.
3625 * emit-rtl.c: Likewise.
3626 * except.c: Likewise.
3628 * final.c: Likewise.
3629 * frame-dwarf2.c: Likewise.
3630 * libgcc2.c: Likewise.
3631 * optabs.c: Likewise.
3632 * profile.c: Likewise.
3633 * sdbout.c: Likewise.
3634 * toplev.c: Likewise.
3635 * tradcif.y: Likewise.
3637 * varasm.c: Likewise.
3639 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3641 * builtins.c (expand_builtin_fputs): Use size_one_node when
3642 transforming into fwrite.
3644 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3646 * extend.texi (Attribute Syntax): New section.
3648 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3650 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3651 they didn't need fixing.
3653 2001-01-27 Janis Johnson <janis@us.ibm.com>
3655 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3657 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3658 to remove macro definitions that are duplicated from elfos.h.
3660 2001-01-27 Richard Henderson <rth@redhat.com>
3662 * config/i386/sco5gas.h: Move ...
3663 * config/usegas.h: ... here.
3664 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3666 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3668 * c-typeck.c (struct constructor_stack): Add range_stack member.
3669 (really_start_incremental_init): Clear it.
3670 (push_init_level): Save constructor_range_stack and clear it if
3671 pushing explicit braces.
3672 (pop_init_level): abort if constructor_range_stack is non-zero at
3673 explicit closing brace. Restore saved constructor_range_stack if
3676 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3678 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3679 into register was forced into memory.
3681 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3683 * Makefile.in: Remove uses of + before $(MAKE).
3685 2001-01-26 Richard Henderson <rth@redhat.com>
3687 * stmt.c (cost_table): Remove.
3688 (COST_TABLE, cost_table_initialized): New.
3689 (estimate_case_costs): Use the later instead of the former.
3690 (balance_case_nodes): Likewise.
3692 2001-01-26 Richard Henderson <rth@redhat.com>
3694 * alias.c (objects_must_conflict_p): Read-only slots may not
3695 conflict despite having the same type.
3697 2001-01-27 Michael Hayes <mhayes@redhat.com>
3699 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3701 (check_ext_dependant_givs): Initialise u_start_val and
3703 (load_mems): Make last_max_reg unsigned.
3704 (try_swap_copy_prop): Use INSN_P and initialise set.
3706 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3708 * README.AVR : Removed.
3710 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3712 * pa-64.h (text_section): Remove declaration.
3714 * pa.md (return_internal): Remove mode on PIC register use.
3716 2001-01-25 lars brinkhoff <lars@nocrew.org>
3718 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3719 ASM_CLOSE_PAREN): fix typos.
3721 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3723 * acconfig.h: Define `const' to the empty string if neither
3724 __STDC__ nor __cplusplus is defined.
3725 * config.in: Regenerated.
3727 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3729 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3730 * collect2.c (main): Delete importf. Add ".obj" file extension.
3731 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3732 (aix_std_libs): Add additional AIX libraries to skip.
3733 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3734 * config/rs6000/aix51.h: New file.
3736 2001-01-25 Michael Hayes <mhayes@redhat.com>
3738 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3739 (loop_insn_emit_before): No longer static.
3740 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3741 (loop_givs_rescan, load_mems): Likewise.
3742 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3743 (maybe_eliminate_biv_1):
3744 (move_movables): Replace emit_call_insn_before with
3745 loop_call_insn_hoist.
3746 * loop.h (loop_insn_emit_before): Add.
3747 * unroll.c (copy_loop_body): Replace emit_insn_before with
3748 loop_insn_emit_before.
3750 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3752 * diagnostic.c (fatal): Request preprocessed source.
3754 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3756 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3757 olddecl has argument types and newdecl has none, use the argument
3760 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3762 * dwarf2out.c (prefix_of): New function. Determine longest common
3763 prefix of the two arguments. The units are whole path components.
3764 (output_file_names): When adding a new directory find the one entry
3765 with the longest common prefix already in the list. Artificially
3766 generate entry if there is none for this prefix.
3767 Fix test to check whether the zeroth directory entry is used.
3769 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3771 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3772 Changed all callers. Take it into account when deciding if a
3773 previously loaded value matches.
3775 2001-01-24 Richard Henderson <rth@redhat.com>
3777 * reload.c (find_reloads_subreg_address): Fail the substitution
3778 if the resulting address is insufficiently aligned.
3780 2001-01-24 DJ Delorie <dj@redhat.com>
3782 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3783 check the original operand's mode also.
3784 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3786 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3788 * c-parse.in (cast_expr): Move compound literals from here ...
3789 (primary): ... to here. Use standard terminology "compound
3790 literal" instead of "constructor expression".
3792 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3794 * gcc.1, cpp.1: Regenerate.
3796 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3798 * calls.c (emit_library_call_value_1): Memory slot for
3799 pass-by-reference argument should have the mode of the argument,
3800 not of the pointer to it.
3802 2001-01-24 Tom Tromey <tromey@redhat.com>
3804 * gcc.texi (G++ and GCC): Mention gcj manual.
3805 (Standards): Link to section of manual mentioning gcj/Java
3808 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3810 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3811 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3812 * tradcpp.c (main): Add -imacros or -include'd dependencies
3814 * cpp.texi (-M, -MM): Document -M -include behaviour.
3816 2001-01-24 Roger Collins <roger@ProProject.com>
3818 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3820 2001-01-24 Will Cohen <wcohen@redhat.com>
3822 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3823 whether registers are 32 bits or 64 bits in size.
3825 2001-01-24 Ben Elliston <bje@redhat.com>
3827 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3829 2001-01-24 Richard Henderson <rth@redhat.com>
3831 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3832 (builtin_longjmp): Use it instead of emit_indirect_jump.
3834 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3836 * bb-reorder.c (make_reorder_chain_1): Handle case where
3837 jump edge goes to the same block as the fallthru edge.
3839 2001-01-23 Jim Wilson <wilson@redhat.com>
3841 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3842 * frame.h (__ia64_personality_v1): Add prototype.
3843 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3844 prototype form. Add void * cast to first argument to personality
3846 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3847 (asctoe113): Likewise.
3848 * config/ia64/frame-ia64.c: Include eh-common.h.
3849 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3851 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3853 (itanium_split_issue): Add prototype.
3854 (gen_nop_type): Ifdef out.
3855 (find_best_packet): Initialize best_packet.
3856 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3858 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3859 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3860 (flushrs): Add explicit stop bit at end.
3861 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3864 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3866 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3868 * libgcc2.c (__terminate_func): Make variable static.
3869 (__terminate_set_func): New function to set __terminate_func.
3870 * libgcc2.h (__terminate_func_ptr): New typedef.
3871 (__terminate_set_func): New function.
3873 2001-01-23 Richard Henderson <rth@redhat.com>
3875 * flow.c (init_propagate_block_info): Don't consider unchanging
3876 memories for dead frame store elimination.
3878 2001-01-23 Richard Henderson <rth@redhat.com>
3880 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3881 * defaults.h: ... here.
3883 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3885 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3887 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3889 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3891 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3893 * rs6000.h (rs6000_return_addr): Move prototype from here...
3894 * rs6000-protos.h (rs6000_return_addr): ...to here.
3895 (rs6000_init_expanders): Delete prototype.
3897 2001-01-23 Nick Clifton <nickc@redhat.com>
3899 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3900 (Spec Files): Document %B and %j and %. and %v3 and %M and
3901 %{S*&T} spec switches.
3903 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3905 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3907 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3908 Neil Booth <neil@daikokuya.demon.co.uk>
3910 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3911 Have -Werror make pedantic warnings errors, like the
3914 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3916 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3918 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3920 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3921 * integrate.c (expand_inline_function): Initialize them.
3922 (subst_constants): If changing COMPARE so that both its arguments
3923 will be VOIDmode and the comparison mode will be lost, note
3924 compare_mode. Use the recorded compare_mode to optimize
3927 2001-01-23 Jason Merrill <jason@redhat.com>
3929 * dwarf2out.c (new_die): Use xcalloc.
3930 (output_die): Abort rather than emit a local reference to offset 0.
3932 2001-01-17 Andrew Haley <aph@redhat.com>
3934 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3935 of a saved register; return NULL instead.
3936 (copy_reg): Take a pointer to a source register rather than a
3938 (next_stack_level): Remember the address in the stack frame of all
3940 Use the saved register pointer array as the source of the CFA.
3941 (throw_helper): Rewrite. Unwind once rather than twice and keep
3942 track of saved registers as we go.
3944 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3946 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3947 * c4x.c (c4x_legitimize_reload_address): Remove.
3948 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3949 reload address for ldp(k) insn.
3951 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3953 * pa.md (return_internal): Add a USE of the PIC register to ensure
3954 it is restored after each call.
3955 (return expander): Corresponding changes.
3957 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3959 * rs6000.h (INIT_EXPANDERS): Delete.
3960 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3961 * rs6000.c (rs6000_override_options): Call *_machine_status from
3963 (rs6000_init_expanders): ...instead of here. Delete.
3964 (rs6000_mark_machine_status): New function.
3965 (rs6000_init_machine_status): Use xcalloc.
3966 (rs6000_return_addr): Generate RTX for the return address.
3967 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3968 (rs6000_stack_info): Use it.
3970 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3972 * gthr-win32.h: Include errno.h to get a declaration for
3973 EINVAL and _mingw.h if the target is mingw32.
3975 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3977 * cpp.texi: Correct typos.
3979 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3981 * explow.c (probe_stack_range): Ensure value passed to
3982 stack_check_libfunc is ptr_mode, not Pmode.
3984 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3986 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3987 case, don't use operand_subword to calculate a SUBREG that is
3990 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3992 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3994 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3995 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3996 valid. If not replace it by equivalent insns.
3998 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4000 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4001 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4002 (c4x_U_constraint, symbolic_address_operand): Likewise.
4003 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4005 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4006 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4007 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4008 anulling slot because of silicon bug.
4009 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4011 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4013 * cppexp.c (parse_charconst): Change `mask' type to agree
4016 2001-01-21 Richard Henderson <rth@redhat.com>
4018 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4019 pic_label_name in a linkonce section.
4021 2001-01-17 Philipp Thomas <pthomas@suse.de>
4023 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4025 * configure: Regenerate.
4027 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4029 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4030 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4032 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4034 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4035 If REVERSE nonzero then condition code in X must be reversed.
4036 (encode_section_info): Optimise if/else.
4037 (avr_function_value): Fix formatting.
4039 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4040 (difficult_branch): Likewise.
4041 (rvbranch): Likewise.
4042 (difficult_rvbranch): Likewise.
4044 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4046 * config/avr/libgcc.S: Fix comment.
4048 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4050 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4052 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4054 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4056 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4058 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4059 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4060 * configure, config.in: Regenerate.
4061 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4062 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4063 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4064 (doprint.o): New rule.
4066 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4068 * c-typeck.c (digest_init): Handle boolean types as scalars.
4070 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4072 * stmt.c (expand_return): Don't return anything if size is zero.
4073 Delete redundant assignment to BYTES.
4074 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4076 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4078 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4079 the same as the default library function names.
4080 * config/avr/avr.md: Document special characters after '%'.
4081 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4082 knowing which of the call-used registers are really clobbered.
4083 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4084 New. Both quotient and remainder from one libgcc.S call.
4085 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4086 clobber as few registers as possible.
4087 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4089 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4091 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4092 context of the top of the stack.
4094 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4096 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4097 (fixup_var_refs_insns): ...here.
4099 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4101 * function.c (fixup_var_refs_insns): Break up into
4102 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4103 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4104 [loop over hash table entries].
4105 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4106 fixup_var_refs_insns_with_hash, to match above changes.
4108 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4110 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4111 (libgcc.a): Likewise.
4112 (stmp-multilib): Likewise.
4113 (STAGE2_FLAGS_TO_PASS): Likewise.
4115 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4117 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4118 temporary if no_new_pseudos.
4120 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4122 * cppinternals.texi: Update.
4124 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4126 * arm.c (arm_init_builtins): Re-enable builtins.
4128 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4130 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4131 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4132 element to be null, and always expect an EXPR_LIST.
4133 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4134 * sched-deps.c (sched_analyze_1): Likewise.
4135 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4137 * regclass.c (max_set_parallel): New variable.
4138 (reg_scan): Take it into account in computation of max_parallel.
4139 (reg_scan_mark_refs, case SET): Compute it.
4141 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4143 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4144 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4146 2001-01-19 Jason Merrill <jason@redhat.com>
4148 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4149 for the abstract instance of an inline function.
4151 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4152 J"orn Rennecke <amylaar@redhat.com>
4154 * reload1.c (move2add_note_store): Treat all registers directly or
4155 indirectly derived from a base register as members of the same set
4157 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4158 of base register into account.
4160 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4162 * alias.c (find_base_value): Recognize TRUNCATE.
4163 (record_set): In PLUS case, invalidate if other summand is also a
4166 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4168 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4169 entry to be EXPR_LIST.
4170 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4171 be an EXPR_LIST (but not null, which other code doesn't allow).
4172 (note_stores): Properly handle PARALLEL in SET.
4173 Recursively call for top-level PARALLEL.
4174 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4175 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4177 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4179 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4181 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4182 not pfile->skipping (== 0).
4184 2001-01-17 Nick Clifton <nickc@redhat.com>
4186 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4189 2001-01-17 Jim Wilson <wilson@redhat.com>
4191 * invoke.texi (IA-64 options): Improve.
4193 2001-01-17 Tom Tromey <tromey@redhat.com>
4195 * invoke.texi (Optimize Options): Use `{}' to around @samp
4198 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4200 * invoke.texi (-fno-guess-branch-probability): New option.
4202 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4204 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4205 case of making new double-word constant.
4206 Revert last change: instead just test i3_subst_into_i2.
4208 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4210 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4211 Use q constraints instead of r.
4213 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4215 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4216 (machine_function): Define.
4217 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4218 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4219 pa_free_machine_status): New functions.
4220 (override_options): Set {init,mark,free}_machine_status to above.
4221 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4222 PIC_OFFSET_TABLE_REGNUM_SAVED.
4223 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4224 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4225 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4226 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4227 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4229 2001-01-15 DJ Delorie <dj@redhat.com>
4231 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4235 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4237 * flow.c (propagate_on_insn): Make trying to delete a prologue
4238 or epilogue insn an ICE, not a warning. Allow doing this if
4239 the current function returns with stack pointer depressed.
4241 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4242 I3 having more than one SET.
4244 2001-01-16 Jim Wilson <wilson@redhat.com>
4246 * invoke.texi: Document IA-64 options.
4248 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4249 (fixup_errata): Delete TARGET_A_STEP use.
4250 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4251 (TARGET_SWITCHES): Delete -ma-step option.
4252 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4253 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4254 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4255 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4256 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4257 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4259 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4260 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4261 cmovsi_internal): Delete ! TARGET_A_STEP check.
4263 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4265 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4266 possibility to report bugs via postal mail. Change a URL and
4267 merge in a nearly duplicate statement...
4268 (Bug Reporting): ...from here.
4269 (Service): Refer to the Bug Reporting section instead of
4271 (Contributing): Remove trivial explanations concerning snapshots.
4273 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4275 * cppmain.c (general_init): Don't use ANSI prototype.
4277 2001-01-16 Tom Tromey <tromey@redhat.com>
4279 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4281 2001-01-16 Richard Henderson <rth@redhat.com>
4283 * config/i386/i386.h: Fix comment typo.
4284 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4285 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4287 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4289 * gcc.c: Revert previous -fsyntax-only-related change; move
4292 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4294 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4295 inmode after checking GET_CODE (op).
4297 2001-01-16 Richard Henderson <rth@redhat.com>
4299 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4300 (MAX_MEM_SET_LIST_LEN): New.
4301 (propagate_one_insn): Update mem_set_list_len.
4302 (invalidate_mems_from_autoinc): Likewise.
4303 (invalidate_mems_from_set): Likewise.
4304 (mark_used_regs): Likewise.
4305 (init_propagate_block_info): Likewise. Stop collecting memories
4306 when we reach MAX_MEM_SET_LIST_LEN.
4307 (mark_set_1): Likewise.
4309 2001-01-16 Richard Henderson <rth@redhat.com>
4311 * unroll.c (precondition_loop_p): Fail if no iteration
4314 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4316 * gcc.c: When -fsyntax-only is given, do not complain about
4319 2001-01-15 Richard Henderson <rth@redhat.com>
4321 * config/i386/i386.c (asm_output_function_prefix): Remove.
4322 (ix86_asm_file_end): New.
4323 (load_pic_register): Generate pic_label_name into a
4324 staticly allocated buffer.
4325 * config/i386/i386-protos.h: Update.
4326 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4327 (ASM_FILE_END): New.
4328 * config/i386/i386afe.h: New file.
4329 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4330 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4331 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4332 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4333 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4334 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4335 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4337 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4339 * Makefile.in (install-man): Remove explicit dependency on
4342 * configure.in, configure: Revert previous patch requiring perl
4345 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4347 * toplev.c (flag_guess_branch_prob): New.
4348 (f_options): Add guess-branch-probability option.
4349 (rest_of_decl_compilation): Only estimate branch probability if
4351 (main): set flag_guess_branch_prob.
4353 * flags.h (flag_guess_branch_prob): New.
4355 2001-01-15 DJ Delorie <dj@redhat.com>
4357 * gcc.texi (Makefile): Add documentation for Makefile targets.
4359 2001-01-15 Philip Blundell <philb@gnu.org>
4361 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4363 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4364 (is_pic): Delete declaration.
4365 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4366 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4367 * config/arm/arm.md (builtin_setjmp_receiver): New.
4369 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4371 * arm.c (use_return_insn): Don't try to determine the function type
4372 until after reload has completed.
4373 (arm_output_epilogue): Don't adjust the sp value recovered from the
4375 (emit_multi_reg_push): Don't record dwarf information for the pc.
4376 * arm.md (eh_epilogue): The function type may have changed, so it
4377 needs to be recalculated.
4378 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4379 unwind tables on arm/netbsd.
4381 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4383 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4384 (negated_cbranchsi4): Likewise.
4386 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4388 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4389 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4390 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4391 pass -mapcs-* options to assembler.
4392 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4393 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4394 (ASM_SPEC): Call subtarget_extra_asm_spec.
4396 2001-01-15 Andreas Jaeger <aj@suse.de>
4398 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4400 (ix86_expand_builtin): Likewise.
4402 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4403 warning about comparison between signed and unsigned.
4405 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4407 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4409 2001-01-14 Ralf Baechle <ralf@gnu.org>
4411 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4412 SUBTARGET_CPP_SPEC apropriatly.
4414 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4416 * varasm.c (make_decl_rtl): Fix typo in last change.
4418 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4420 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4421 linker supports the init_priority C++ attribute.
4422 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4423 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4424 linker does not support init_priority C++ attribute.
4426 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4428 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4430 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4432 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4433 * cp/lex.c (finish_parse): Similarly.
4434 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4435 Return the number of errors encountered.
4436 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4437 * cppmain.c (main): Don't call cpp_destroy.
4439 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4441 * configure.in: Require at least perl 5.6.0 to regenerate
4443 * configure: Regenerate.
4445 2001-01-14 Richard Henderson <rth@redhat.com>
4447 * genrecog.c (DT_veclen_ge): New.
4448 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4449 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4450 (nodes_identical_1): Handle DT_veclen_ge.
4451 (write_cond, debug_decision_2): Likewise.
4453 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4455 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4457 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4459 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4461 * cppmain.c (do_preprocessing): New function; most of the old
4463 (main): Call it to do most of the work.
4464 (cb): Move from global scope to set_callbacks ().
4465 (setup_callbacks): Get the callback pointer.
4466 (general_init, printer_init): Clean up code and comments.
4468 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4470 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4473 2001-01-14 Kazu Hirata <kazu@hxi.com>
4475 * config/h8300/h8300.c (get_shift_alg): Update comments.
4477 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4479 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4480 (alloc_page, ggc_alloc): Add casts to remove warnings.
4482 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4484 * combine.c (simplify_comparison): Don't change `code' when
4485 can't reverse comparison.
4487 2001-01-14 Richard Henderson <rth@redhat.com>
4489 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4490 update all call sites. Return true for all non-label constants.
4492 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4494 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4496 (ix86_expand_branch): Update.
4497 (ix86_expand_setcc): Update to handle multiple test conditions.
4498 (expand_int_movcc): Likewise.
4499 (expand_fp_movcc): Likewise.
4500 * i386-protos.h (ix86_expand_compare): New.
4501 * i386.md (andqi_?_slp, orqi_?_slp): New.
4502 (conditional trap expander): Update call to ix86_expand_compare.
4504 2001-01-14 Richard Henderson <rth@redhat.com>
4506 * config/vax/vax.md: Use nonimmediate_operand instead of
4507 general_operand in destinations.
4509 * config/vax/vax.md (indirect_jump): Use register_operand.
4511 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4512 * config/vax/vax.md (call_pop): Turn into an expander.
4513 (call_value_pop): Likewise.
4514 (call, call_value): New.
4516 2001-01-14 Andreas Jaeger <aj@suse.de>
4518 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4520 (ix86_fp_compare_mode): Add unused attribute.
4521 (ix86_expand_fp_movcc): Remove unused variable.
4522 (ix86_expand_builtin): Make fcode unsigned.
4524 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4525 (expand_expr): Add cast to avoid signed warning.
4526 (store_field): Likewise.
4527 (store_constructor_field): Likewise.
4528 (store_constructor): Likewise.
4529 (store_expr): Likewise.
4530 (clear_storage): Likewise.
4531 (emit_group_store): Likewise.
4532 (emit_group_load): Likewise.
4534 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4536 * c-common.c: Move format checking code to ...
4537 * c-format.c: ... here. New file. Reorder some functions and
4539 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4541 * c-common.h (decl_handle_format_attribute,
4542 decl_handle_format_arg_attribute): Declare.
4543 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4544 (c-common.o): Adjust dependencies.
4545 (c-format.o): New list of dependencies.
4547 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4549 * unroll.c (loop_iterations): If we cannot prove iteration variable
4550 is set once in each iteration, punt.
4552 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4554 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4555 (*strlenhi): Remove clobber (which was buggy) of output address.
4557 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4559 * Makefile.in (generated-manpages): Add gcc.1
4560 ($(srcdir)/gcc.1): New target.
4561 (maintainer-clean): Delete $(srcdir)/gcc.1.
4562 * gcc.texi: Add macros @gccoptlist and @gol.
4563 * invoke.texi: Include option summary in manpage. Mark up option
4564 summary with @gccoptlist and @gol. Use @r in one place where
4566 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4567 * gcc.1: Generate from invoke.texi.
4569 2001-01-13 Richard Henderson <rth@redhat.com>
4571 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4572 (struct page_entry): Add group member.
4573 (struct page_group): New.
4574 (struct globals): Add page_groups member.
4575 (alloc_anon): Only define for using mmap; remove valloc call.
4576 (page_group_index): New.
4577 (set_page_group_in_use): New.
4578 (clear_page_group_in_use): New.
4579 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4580 (free_page, release_pages): Likewise.
4581 * configure.in (with-gc): Default to ggc-page always.
4583 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4585 * reload1.c (replace_pseudos_in_call_usage): Use
4586 reg_equiv_constant and reg_equiv_address, and don't try
4587 regno_reg_rtx first.
4589 2001-01-13 Richard Henderson <rth@redhat.com>
4591 * ggc-page.c (alloc_page): Round up allocation size to one page.
4592 Set e->order on extra pages.
4594 2001-01-13 Richard Henderson <rth@redhat.com>
4596 * genrecog.c (nodes_identical): Expand commentary.
4597 (write_switch): Watch out for identical nodes.
4599 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4601 * cppfiles.c (_cpp_fake_include): New function.
4602 * cpphash.h (_cpp_fake_include): New.
4603 * cpplib.c (do_line): Call _cpp_fake_include when entering
4604 header files in preprocessed input.
4605 * cppmain.c (cb_pragma_implementation): Remove handling.
4606 (setup_callbacks): Don't register pragmas.
4608 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4610 * extend.texi: Udate for CPP.
4612 2001-01-13 Andreas Jaeger <aj@suse.de>
4614 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4616 * regmove.c: Add prototype for replace_in_call_usage.
4618 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4620 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4621 struct cpp_chunk, struct htab, struct toklist,
4622 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4623 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4624 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4625 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4626 (struct macro_args): Delete.
4627 * cpphash.h: See above.
4629 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4631 * cppmain.c (struct printer): Remove no_line_dirs.
4633 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4634 : Use options rather than CPP_OPTION.
4635 (setup_callbacks): Use cb rather than pfile->cb.
4636 (main): No need to check for a buffer. Use cpp_errors.
4637 (printer_init): Don't set no_line_dirs.
4638 (maybe_print_line): Use options not no_line_dirs.
4639 (cb_file_change): Don't call print_line if -P.
4641 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4643 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4645 * c-parse.in (finish_parse): Use cpp_errors.
4646 (__yylex): Use return value of cpp_pop_buffer.
4647 * cp/lex.c (finish_parse): Use cpp_errors.
4648 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4650 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4652 * README.AVR: URLs corrected.
4654 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4656 * c-decl.c (start_function): Don't warn if old prototype is builtin
4657 that's not in C's namespace.
4658 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4659 (_bb): Add prototype for ctime.
4660 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4662 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4664 * i386.c (ix86_fp_comparison_arithmetics_cost,
4665 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4666 ix86_fp_comparison_cost): New functions.
4667 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4668 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4669 two-branch sequences; make static.
4670 (ix86_use_fcomi_compare): Do decision according to the costs.
4671 (split_fp_branch): New.
4672 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4673 * i386-protos.h (ix86_expand_fp_compare): Remove
4674 (ix86_split_fp_branch): Declare.
4676 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4677 and ix86_comparison_operator.
4679 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4682 * i386.c (put_condition_code): Output properly the unordered/ordered
4683 compares in fp case.
4684 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4686 * tm.texi (REVERSE_CONDITION): Document.
4687 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4688 in -ffast-math mode.
4689 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4691 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4693 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4695 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4698 * config/sh/sh.c (mova_p): Fix test for mova_const.
4700 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4702 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4703 cpp_get_options rather than dereferencing pfile and using
4705 * scan-decls.c (scan_decls): Use return value of
4706 cpp_pop_buffer rather than CPP_BUFFER.
4708 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4710 * cppinit.c (cpp_handle_option): help_only is now part of the
4711 cpp_options structure.
4712 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4713 cpp_set_callbacks): New functions.
4714 * cpplib.h (cpp_callbacks): Break out as a named structure.
4715 (cpp_options): Move help_only here from cpp_reader.
4716 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4717 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4718 cpp_set_callbacks): New prototypes.
4719 * cppmain.c (main): Update for help_only.
4721 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4723 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4724 Also build and remove and install and uninstall c-tree.info and
4726 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4727 ($(srcdir)/cppinternals.info): New target.
4728 * c-tree.texi: Change file name used when makeinfo used without -o
4729 from ir.info to c-tree.info. Add info directory entry.
4730 * cppinternals.texi: Add info directory entry.
4731 * .cvsignore: Update.
4733 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4735 * c-typeck.c (store_init_value): Don't require constant initializer
4736 elements with -pedantic -std=c99.
4737 (digest_init): Change error about non-constant initializer elements
4739 (constructor_range_end): Remove.
4740 (constructor_incremental, designator_depth,
4741 designator_errorneous): New variables.
4742 (struct constructor_stack): Remove range_end, add incremental.
4743 (struct constructor_range_stack, constructor_range_stack): New.
4744 (struct initializer_stack): Add constructor_range_stack.
4745 (finish_init): Set it.
4746 (start_init): Likewise. require_constant_elements for non-static
4747 trees only if not flag_isoc99.
4748 (really_start_incremental_init): Remove constructor_range_end, add
4749 constructor_incremental.
4750 (pop_init_level): Likewise.
4751 (push_init_level): Likewise. If implicit and the subobject had some
4752 value set already, preinitialize the level with it.
4753 Warn about missing braces only if not pushing due to designators.
4754 (set_designator, push_range_stack): New functions.
4755 (set_init_label): Use them.
4756 (set_init_index): Likewise. Remove constructor_range_end.
4757 Error if designator index is outside of array bounds.
4758 (add_pending_init): Compare values of purpose index trees, not the
4759 trees themselves. Allow overwriting of already initialized element.
4760 Issue a warning if it had side-effects.
4761 (set_nonincremental_init, set_nonincremental_init_from_string): New
4763 (pending_init_member): Rename to...
4764 (find_init_member): ...this function. Call set_nonincremental_init
4765 if necessary. Compare values of purpose index trees, not the trees
4766 themselves. Return the actual value, not just non-zero if something
4768 (output_init_element): Remove checks for duplicates.
4769 If field has zero size, only check the initializer for correctness.
4770 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4771 if constructor_incremental is zero. Change error about initializers
4772 not computable at load time into pedwarn.
4773 (output_pending_init_elements): Compare bit positions, not
4774 FIELD_DECLs to take into account zero-sized fields.
4775 (process_init_element): Use constructor_range_stack to fill all
4776 ranges in the designator lists from current level up.
4777 * extend.texi: Update documentation for labeled elements.
4779 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4781 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4782 to function usage for arguments passed by reference. Optimize
4783 callee-copied arguments.
4784 * regmove.c (replace_in_call_usage): New function.
4785 (fixup_match_1): Call it.
4786 * cse.c (cse_insn): Canonicalize registers in function usage.
4787 * reload1.c (replace_pseudos_in_call_usage): New function.
4790 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4793 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4795 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4798 2001-01-12 DJ Delorie <dj@redhat.com>
4800 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4801 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4804 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4806 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4807 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4808 -std options alongside references to -ansi. Update some
4809 documentation for C99.
4810 * cpp.1: Regenerate.
4812 2001-01-12 Andreas Jaeger <aj@suse.de>
4814 * haifa-sched.c (restore_line_notes): Remove argument block B
4816 * sched-ebb.c (schedule_ebb): Change caller.
4817 * sched-rgn.c (schedule_region): Likewise.
4818 * sched-int.h (restore_line_notes): Adjust prototype.
4820 * loop.h: Remove wrong declaration of doloop_condition_get.
4822 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4824 * extend.texi: Move C++-extension-related node from the C section
4825 into the C++ section.
4827 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4829 * extend.texi: Refer to an array of pointers to functions instead
4830 of one of functions.
4832 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4833 Jan Hubicka <jh@suse.cz>
4835 * combine.c (reversed_comparison): Fix typo in last patch.
4837 (combine_reversed_comparison_code): Make static to follow
4838 prototype declaration.
4840 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4842 * install.texi: Remove misplaced duplicate entry.
4844 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4846 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4848 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4850 * final.c: (leaf_function_p): Fix typo.
4852 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4854 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4855 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4857 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4858 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4859 mmap_anon, and valloc is available.
4860 * ggc-page.c: Restructure ifdef logic to match new autoconf
4861 spec. Don't throw away the test page in init_ggc.
4863 * configure, config.in: Regenerate.
4865 2001-01-12 Michael Hayes <mhayes@redhat.com>
4867 * loop.h (total_biv_increment): Constify iv_class pointer.
4868 (struct induction): Replace `mem_mode' with `mem' rtx.
4869 * unroll.c (total_biv_increment): Constify iv_class pointer.
4870 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4871 (find_mem_givs, combine_givs_p): Likewise.
4872 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4874 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4876 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4878 (__gthread_getspecific): Ditto.
4880 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4882 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4883 put_condition_code): Convert fp comparison codes to integer
4885 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4888 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4889 * i386-protos.h (no_comparison_operator): Kill.
4891 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4893 * combine.c (REVERSIBLE_CC_MODE): Remove.
4894 (reversible_comparison_p): Remove.
4895 (combine_reversed_comparison_code): New.
4896 (reversed_comparison): New.
4897 (combine_simplify_rtx): Use
4898 combine_reversed_comparison_code/reversed_comparison instead
4899 of reversible_comparison_p.
4900 (simplify_if_then_else): Likewise.
4901 (simplify_set): Likewise.
4902 (simplify_logical): Likewise.
4903 (if_then_else_cond): Likewise.
4904 (known_cond): Likewise.
4905 (simplify_comparison): Likewise.
4907 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4909 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4910 sizeof (int) is larger than sizeof(__word__).
4912 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4914 * cppinit.c (do_includes): Fix typo.
4916 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4918 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4919 in S_REGS does not occur because not all sources are possible
4920 when a S_REGS is a destination (sometimes needs a clobber).
4921 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4922 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4923 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4924 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4925 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4926 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4927 (lshrdi_const1, lshrsi3_const16): Likewise.
4928 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4929 (*movhi_68hc12, *movqi_68hc12): Likewise.
4930 (movstrictqi): Make sure reloading in D_REGS as a destination
4933 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4935 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4937 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4939 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4940 -D, -U and -A, and don't initialize the builtins.
4941 (do_includes): Error if -include or -imacros with -fpreprocessed.
4942 * cppmain.c (cb_define, cb_undef): Unconditionally process
4944 * tradcpp.c (main): Fix typo.
4946 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4948 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4949 (read_name_map): Use IS_ABSOLUTE_PATH.
4950 * tradcpp.c (get_filename): Likewise.
4952 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4954 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4955 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4956 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4957 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4958 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4959 (cmphi_z_used): Don't use '@' for the output.
4960 (tstqi_z_used): Likewise.
4961 (cmpqi_z_used): Likewise.
4962 (one_cmplsi2): Likewise.
4964 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4966 * config/sh/sh.c (barrier_align): Recognize branch around far
4967 branch and redundant insn.
4969 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4971 * invoke.texi: Restore documentation of the drivers' switches -MD
4974 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4976 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4978 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4979 check-objc//%): Support parallel testing of multilibs.
4980 (TESTSUITEDIR): Set to testsuite by default, but override for
4982 (check-gcc, check-g++, check-g77, check-objc): Enter
4985 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4987 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4988 * sched-deps.c (deps_may_trap_p): Likewise.
4989 * basic-block.h: Remove a comment.
4990 * flow.c (PROP_POSTRELOAD): Remove.
4991 (update_life_info): Don't add it to prop_flags.
4992 (mark_set_1): Lose the code that was enabled by it.
4994 2001-01-11 Michael Hayes <mhayes@redhat.com>
4996 * flow.c (flow_call_edges_add): New.
4997 * basic_block.h (flow_call_edges_add): New.
4999 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5001 * reload1.c (move2add_note_store): Update reg_set_luid even if
5002 base reg remains the same.
5004 2001-01-10 Nick Clifton <nickc@redhat.com>
5006 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5007 machine_function structure to zero.
5008 Add prototypes for machine_status functions.
5010 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5012 * c-common.h (CTI_VOID_LIST): Remove.
5013 (void_list_node): Likewise.
5014 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5015 (void_list_node): New macro.
5016 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5017 * config/i386/i386.c (ix86_init_builtins): Likewise.
5018 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5020 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5022 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5023 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5025 * tradcpp.c: Include mkdeps.h.
5026 (deps, print_deps_phony_targets, deps_append, output_deps,
5027 init_dependency_output, output_deps): New.
5028 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5029 deps_output): Delete.
5030 (print_deps_missing_files): Rename deps_missing_files.
5031 (inhibit_output): Make global.
5032 (main): Delete inhibit_output, deps_stream, deps_target.
5033 Use mkdeps functionality in the same way as cpplib. Remove
5034 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5035 -M and -MM. Remove old handling of deps via deps_out, and
5036 old reading of environment variables.
5037 (get_filename): Update to use deps_add_dep.
5039 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5041 * output.h (make_function_rtl): Remove prototype.
5042 (make_decl_rtl): Likewise.
5043 * varasm.c (make_function_rtl): Remove.
5044 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5045 than from a third parameter.
5046 * tree.h (make_decl_rtl): Remove last parameter.
5047 * c-decl.c (builtin_function): Remove last argument in call to
5048 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5049 (start_function): Likewise.
5050 * except.c (call_get_eh_context): Likewise.
5051 * expr.c (emit_block_move): Likewise.
5052 (clear_storage): Likewise.
5053 * profile.c (output_func_start_profiler): Likewise.
5054 * toplev.c (rest_of_decl_compilation): Likewise.
5055 * objc/objc-act.c (create_builtin_decl): Likewise.
5056 (synth_module_prologue): Likewise.
5057 (generate_static_reference): Likewise.
5058 (build_selector_reference_decl): Likewise.
5059 (build_class_reference_decl): Likewise.
5060 (build_objc_string_decl): Likewise.
5061 (build_protocol_reference): Likewise.
5063 2001-01-10 Richard Henderson <rth@redhat.com>
5065 * hwint.h: Revert yesterday's change.
5067 2001-01-10 Nick Clifton <nickc@redhat.com>
5069 * function.h (save_machine_status): Delete.
5070 (restore_machine_status): Delete.
5071 Amend comment describing {init|mark|free}_machine_status.
5073 * function.c (save_machine_status): Delete.
5074 (restore_machine_status): Delete.
5075 Amend comment describing {init|mark|free}_machine_status.
5076 (push_function_context_to): Remove invocation of
5077 save_machine_status.
5078 (pop_function_context_from): Remove invocation of
5079 restore_machine_status.
5081 * emit-rtl.c (init_emit_once): Amend comment describing
5082 {init|mark|free}_machine_status.
5084 * tm.texi (Per-Function Data): New node. Describe the
5085 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5088 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5090 * cppinit.c (OPT_g): Remove.
5091 (cpp_handle_option): Update for removed -g3.
5092 (print_help): Update.
5093 * cpplib.h (struct cpp_options): Remove debug_output.
5094 * cppmain.c (setup_callbacks, cb_define): Update.
5095 * gcc.c (cpp_options): Translate -g3 to -dD.
5097 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5099 * config/i960/i960.md: Change modifier to + on the zero_extract
5100 pattern after the (rotate -2 reg) canonicalization pattern.
5102 2001-01-10 Richard Henderson <rth@redhat.com>
5104 * config/alpha/alpha.c (alpha_free_machine_status): New.
5105 (override_options): Install it.
5106 (alpha_mark_machine_status): Verify machine non-null.
5107 * config/i386/i386.c (ix86_free_machine_status): New.
5108 (override_options): Install it.
5109 (ix86_init_machine_status): Use xcalloc.
5110 (ix86_mark_machine_status): Verify machine non-null.
5111 * config/ia64/ia64.c (ia64_free_machine_status): New.
5112 (ia64_override_options): Install it.
5113 (ia64_mark_machine_status): Verify machine non-null.
5115 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5117 * function.c (instantiate_virtual_regs): Instantiate virtual
5118 registers found in CALL_INSN_FUNCTION_USAGE.
5120 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5122 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5123 equivalent to -ansi in disabling -Di386.
5125 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5127 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5129 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5131 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5133 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5135 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5137 * invoke.texi: Document that -fcond-mismatch isn't supported for
5140 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5142 * gcc.texi: Define macro gcctabopt.
5143 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5144 @command, @env and @option in some places where appropriate. Use
5145 @gcctabopt where appropriate. Put URLs and email addresses inside
5148 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5150 * gcc.c (cpp_options): Set MD file name from output
5151 filename, if specified.
5152 (suffix_subst): New static variable.
5153 (do_spec): Clear it.
5154 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5156 (give_switch): Handle suffix_subst.
5158 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5160 * invoke.texi: Fix another typo.
5162 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5164 * invoke.texi: Fix typo.
5166 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5168 * c-lang.c (lang_hooks): Update.
5169 (lang_decode_option): Remove.
5170 (lang_init_options): Rename c_init_options.
5171 * toplev.c (main): Use lang_hooks for lang_init_options
5172 and lang_decode_option.
5173 * toplev.h (lang_hooks): Add 2 new hooks.
5174 * tree.h: Remove lang_init_options and lang_decode_option.
5175 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5176 * cp/decl2.c: Similarly.
5177 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5178 (lang_hooks): Update.
5179 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5181 (lang_init_options): Rename ffe_init_options.
5182 (lang_hooks): Update.
5183 (lang_decode_option): Remove.
5184 * java/lang.c (lang_init_options): Rename java_init_options.
5185 (lang_decode_option): Rename java_decode_option.
5186 (lang_hooks): Update.
5187 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5188 (lang_decode_option): Rename objc_decode_option.
5189 (lang_hooks): Update.
5191 2001-01-09 Nick Clifton <nickc@redhat.com>
5193 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5194 (d30v_return_addr_rtx): Delete.
5195 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5196 cfun->machine structure.
5197 (struct machine_function): Move to d30v.h
5198 (d30v_save_machine_status): Delete.
5199 (d30v_restore_machine_status): Delete.
5200 (d30v_init_machine_status): New Function.
5201 (d30v_mark_machine_status): New Function.
5202 (d30v_free_machine_status): New Function.
5203 (d30v_init_expanders): Use new functions.
5204 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5205 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5206 d30v_return_addr_rtx.
5208 * config/d30v/d30v.h (struct_machine): Move here.
5209 Add eh_epilogue_sp_ofs field.
5211 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5212 field in cfun->machine structure.
5214 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5216 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5217 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5218 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5220 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5222 * objc/lang-options.h: Remove bogus reference to
5225 2001-01-09 Kazu Hirata <kazu@hxi.com>
5227 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5230 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5232 * reload.c (find_reloads_address): Check for eliminable registers
5233 when substituting a constant expression for a pseudo.
5235 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5237 * c-common.c (enum format_type): Add format_type_error.
5238 (decode_format_type): New function.
5239 (decl_attributes): Use it.
5240 (format_kind_info): Adjust comment.
5242 2001-01-09 David O'Brien <obrien@BSDi.com>
5244 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5245 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5247 * config/i386/gnu.h: Don't include required platform specific .h files,
5248 tm.h will do it instead.
5249 * config/i386/i386elf.h: Likewise.
5250 * config/i386/linux.h: Likewise.
5251 * config/i386/moss.h: Likewise.
5252 * config/mips/gnu.h: Likewise.
5254 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5256 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5257 (rs6000-ibm-aix3.[01]*): Likewise.
5258 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5259 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5260 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5261 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5262 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5263 (powerpc-*-eabiaix*): Likewise.
5264 (powerpc-*-eabisim*): Likewise.
5265 (powerpc-*-elf*): Likewise.
5266 (powerpc-*-eabi*): Likewise.
5267 (powerpc-*-rtems*): Likewise.
5268 (powerpc-*-linux*libc1): Likewise.
5269 (powerpc-*-linux*): Likewise.
5270 (powerpc-wrs-vxworks*): Likewise.
5271 (powerpcle-wrs-vxworks*): Likewise.
5272 (powerpcle-*-sysv*): Likewise.
5273 (powerpcle-*-elf*): Likewise.
5274 (powerpcle-*-eabisim*): Likewise.
5275 (powerpcle-*-eabi*): Likewise.
5276 (powerpcle-*-solaris2*): Likewise.
5277 * config/rs6000/aix31.h: Delete includes.
5278 * config/rs6000/aix3newas.h: Likewise.
5279 * config/rs6000/aix41.h: Likewise.
5280 * config/rs6000/aix43.h: Likewise.
5281 * config/rs6000/beos.h: Likewise.
5282 * config/rs6000/rtems.h: Likewise.
5283 * config/rs6000/sysv4.h: Likewise.
5285 2001-01-09 Kazu Hirata <kazu@hxi.com>
5287 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5288 Change an argument mode of machine_mode to shift_mode of
5289 shift_mode. Remove an extra error check.
5290 (emit_a_shift): Adopt to the new calling prototype of
5292 (function_prologue): Fix code for a monitor
5293 function. Support H8/S.
5294 (function_epilogue): Do not output pop for a monitor function.
5296 2001-01-09 Nick Clifton <nickc@redhat.com>
5298 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5299 (setup_incoming_varargs): Use sysv_varargs_p field of the
5300 cfun->machine structure.
5301 (struct machine_function): Move to rs6000.h
5302 (rs6000_save_machine_status): Delete.
5303 (rs6000_restore_machine_status): Delete.
5304 (rs6000_init_machine_status): New Function.
5305 (rs6000_free_machine_status): New Function.
5306 (rs6000_init_expanders): Use new functions.
5308 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5310 (struct machine_function): Move here.
5312 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5313 sysv_varargs_p field of the cfun->machine structure.
5315 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5317 (rs6000_restore_machine_status): Remove prototype.
5319 2001-01-09 Richard Henderson <rth@redhat.com>
5321 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5322 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5323 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5324 (sched_analyze_2, sched_analyze_insn): Likewise.
5325 (sched_analyze, init_deps): Likewise.
5326 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5327 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5328 (compute_block_backward_dependences): Update propagate_deps call.
5330 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5332 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5334 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5336 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5337 (cpp_handle_option): Handle them.
5338 (cpp_post_options): Ensure one of -M or -MM is specified with
5339 any other -M? option.
5340 (init_dependency_output): Suppress output with -MG.
5342 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5345 * invoke.texi: Update.
5347 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5349 * sh.md (reload_outsf): Generate recognizable patterns for
5352 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5354 * c-lang.c (lang_hooks): Update.
5355 (lang_init): Rename c_init.
5356 (lang_finish): Remove.
5357 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5359 * toplev.h (lang_hooks): Add init () and finish ().
5360 * tree.h (lang_init, lang_finish): Remove.
5361 * cp/tree.h (lang_init, lang_finish): Remove.
5362 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5363 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5365 (lang_init, lang_finish): Remove.
5366 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5367 (lang_hooks): Update.
5368 * java/lang.c (lang_init): Rename java_init.
5369 (lang_finish): Remove.
5370 (lang_hooks): Update.
5371 * objc/objc-act.c (lang_init): Rename objc_init.
5372 (lang_finish): Remove.
5373 (lang_hoooks): Update.
5375 20001-01-09 Graham Stott <grahams@redhat.com>
5377 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5378 after `ptr` is initialised.
5380 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5382 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5383 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5384 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5385 stack adjusts, instead of r3.
5387 2001-01-09 Michael Hayes <mhayes@redhat.com>
5389 * flow.c (flow_loop_scan): Break out of ...
5390 (flow_loops_find) ... here.
5391 * basic-block.h (flow_loop_scan): New.
5392 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5393 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5395 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5397 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5399 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5400 realloc()ing macro_buffer.
5402 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5403 if it's wider than long and the target's long is wider than the
5406 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5408 Remove support for using UWIN as a host machine.
5409 * configure.in: Issue an error message.
5410 * configure: Regenerated.
5411 * config.gcc: Remove xm_* UWIN configury.
5412 * config/i386/xm-uwin.h: Remove.
5414 2001-01-08 Nick Clifton <nickc@redhat.com>
5416 * config/v850/v850.c (ra_rtx): Delete.
5417 (v850_save_machine_status): Delete.
5418 (v850_restore_machine_status): Delete.
5419 (v850_init_machine_status): New function.
5420 (v850_mark_machine_status): New function.
5421 (v850_free_machine_status): New function.
5422 (v850_return_addr): Use ra_rtx field in machine structure.
5423 (v850_init_expanders): Use new functions.
5425 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5426 * config/v850/v850.c: Change arguments to v850_output+* functions
5427 to take a const char *, to avoid compile time warning.
5428 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5429 (USER_LABEL_PREFIX): Redefine.
5431 2000-01-08 Jim Wilson <wilson@redhat.com>
5433 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5434 1 to unsigned HOST_WIDE_INT before left shift.
5436 2001-01-08 Nick Clifton <nickc@redhat.com>
5438 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5439 the machine structure has been allocated.
5440 (arm_free_machine_status): New function: Free the machine
5441 specific function structure.
5443 2001-01-08 Richard Henderson <rth@redhat.com>
5445 * jump.c (simplejump_p): Revert last change.
5447 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5449 * cppinit.c (init): Rename init_library.
5450 (cpp_create_reader): Update.
5451 * gcc.c (cpp_options): If -o given, use it as the target of
5454 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5456 * arm.c (arm_arch5e): New variable.
5457 (all_cores): XScale is a 5TE device.
5458 (arm_override_options): Set arm_arch5e.
5459 (arm_init_builtins): __builtin_prefetch is in arch5e.
5460 * arm.h (arm_arch5e): Declare it.
5462 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5464 * arm.md (define_constants): Add defines for UNSPEC and
5465 UNSPEC_VOLATILE insns. Update all users.
5466 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5467 * arm.c (multi_register_push, note_invalid_constants)
5468 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5469 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5470 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5472 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5474 * jump.c (jump_optimize_1): Use reversed_comparison_code
5475 instead of can_reverse_comparison_p.
5476 (jump_back_p): Likewise.
5477 (invert_exp_1): Likewise.
5478 (thread_jumps): Likewise.
5479 * simplify-rtx.c (simplify_unary_operation): Likewise.
5480 (simplify_ternary_operation): Likewise.
5481 * cse.c (find_comparison_args): Convert to use
5482 can_reverse_comparison_p.
5483 (record_jump_equiv): Likewise.
5485 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5487 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5488 (EPILOGUE_USES): Define.
5489 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5490 automatically stack the LR if it isn't live.
5492 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5494 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5497 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5499 * ggc-page.c (max_alignment): New structure.
5500 (MAX_ALIGNMENT): New macro.
5501 (init_ggc): Use it to round up the sizes in the
5502 extra_order_size_table.
5504 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5506 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5509 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5511 * builtins.def (BUILT_IN_FPRINTF): New entry.
5513 * c-common.c (c_expand_builtin_fprintf): New function.
5514 (init_function_format_info): Handle __builtin_fprintf.
5515 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5516 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5518 * c-decl.c (duplicate_decls): Adjust comment.
5520 * extend.texi (fprintf): Document new builtin.
5522 2001-01-07 Richard Henderson <rth@redhat.com>
5524 * jump.c (simplejump_p): Recognize any single_set jump
5527 2001-01-07 Richard Henderson <rth@redhat.com>
5529 * configure.in (slibdir): Accept an --with-slibdir option.
5530 Use "test" not "[" in configure. Default to $(libdir).
5532 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5534 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5535 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5536 (SHLIB_LINK): Create links for the soname.
5537 * config/mips/t-iris6: Likewise.
5538 * config/sparc/t-slibgcc: Likewise.
5539 * config/sparc/t-slibgcc-sld: Likewise.
5541 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5543 * config/i386/i386.c (constant_call_address_operand): Accept
5544 (const (plus (symbol_ref) (const_int))).
5545 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5546 constant_call_address_operand.
5548 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5550 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5551 and LONG_LONG_TYPE_SIZE > 32.
5553 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5555 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5556 the previous change.
5558 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5560 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5562 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5563 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5564 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5567 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5569 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5571 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5573 * c-lang.c (c_post_options): Call cpp_post_options.
5574 * objc/objc-act.c (objc_post_options): Similarly.
5575 * cppmain.c (main): Similarly.
5576 * fix-header.c (read_scan_file): Similarly.
5577 * cppinit.c (cpp_start_read): Move option consistency checks
5578 to cpp_post_options. Don't call init_dependency_output.
5579 If needed, add default target and main file dependency.
5580 (OPT_MD, OPT_MMD): Remove.
5582 (cpp_handle_option): Update for OPT_* changes.
5583 (cpp_post_options): New.
5584 (init_dependency_output): Command line -MF overrides environment
5585 variables. Don't set default target etc. Suppress output
5586 if dependencies are going to stdout.
5587 (print_help): Update.
5588 * cpplib.h (cpp_post_options): New.
5589 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5591 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5593 * jump.c (comparison_dominates_p): Support unordered compares.
5595 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5597 * simplify-rtx.c (simplify_relational_operation): Always simplify
5598 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5601 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5603 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5604 (nonzero_bits): Likewise.
5605 (simplify_comparison): Likewise.
5606 (num_sign_bit_copies): Likewise; return more sane value depending
5607 on STORE_FLAG_VALUE.
5608 (known_cond): Do not assume EQ to be always true for equivalent
5611 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5613 * cse.c (fold_rtx): Handle unordered comparisons.
5615 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5617 * rtlanal.c (set_of_1): New static function.
5618 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5619 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5620 reg_set_last_last_regno): Remove.
5621 (set_of): New global function.
5622 (set_of_data): New structure.
5623 (reg_set_p, reg_set_last): Revamp for set_of.
5624 * rtl.h (set_of): New.
5626 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5628 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5629 * extend.texi: Document _Exit builtin.
5631 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5633 * (initialize, initialize_builtins,
5634 initialize_dependency_output, initialize_standard_includes):
5635 Rename s/initialize/init. Update.
5636 (init_dependency_output): Move to after
5637 cpp_handle_options, the correct location temporally at least.
5638 (opt_comp): Move next to init (), its caller. Fix prototype.
5639 (init): Make "initialized" local scope.
5640 (cpp_create_reader): Always call init ().
5641 (cpp_start_read): Update.
5642 (output_deps): New function, broken out of cpp_finish.
5643 (cpp_finish): Break out output_deps.
5645 2001-01-07 Richard Henderson <rth@redhat.com>
5647 * collect2.c (COFF specific stuff): Revert 12-06 patch
5648 to prototype system functions.
5650 2001-01-07 Michael Hayes <mhayes@redhat.com>
5652 * hard-reg-set.h: Add multiple include guard.
5653 * basic-block.h (struct loop): Add `sink' field.
5654 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5655 (emit_iv_add_mult): Delete.
5656 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5657 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5658 (unroll_loop): Remove end_insert_before argument.
5659 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5660 (maybe_eliminate_biv_1): Likewise.
5661 (emit_iv_add_mult): Delete.
5662 (gen_add_mult, loop_regs_update): New.
5663 (loop_insn_emit_after, loop_insn_emit_before): New.
5664 (loop_insn_sink, loop_insn_sink_or_swim): New.
5665 (emit_iv_add_mult): Delete.
5666 (scan_loop): Set loop->sink.
5667 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5668 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5669 (maybe_eliminate_biv_1): Likewise.
5670 (maybe_eliminate_biv_1): Add basic block argument.
5671 * unroll.c (unroll_loop): Remove end_insert_before argument.
5672 (find_splittable_regs): Likewise.
5673 (find_splittable_regs): Use loop_insn_sink and its ilk.
5674 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5676 2001-01-07 Michael Hayes <mhayes@redhat.com>
5678 * loop.h (loop_insn_hoist): New prototype.
5679 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5680 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5681 (check_dbra_loop, load_mems): Likewise.
5682 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5683 (find_splittable_givs): Likewise.
5685 2001-01-07 Michael Hayes <mhayes@redhat.com>
5687 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5689 2001-01-07 Richard Henderson <rth@redhat.com>
5691 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5693 2001-01-07 Richard Henderson <rth@redhat.com>
5695 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5696 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5697 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5698 variant that handles a shared libgcc.
5699 (process_command): Always validate -{static,shared}-libgcc.
5700 (do_spec_1): New 'M' case.
5701 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5703 2001-01-07 Richard Henderson <rth@redhat.com>
5705 * Makefile.in (slibdir): New variable.
5706 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5707 (installdirs): Create slibdir.
5708 (install-libgcc, install-multilib): Defer to libgcc.mk.
5709 * configure.in (slibdir): Substitute.
5710 * mklibgcc.in (install): New target.
5712 * config/t-linux (SHLIB_LINK): Create links for the soname.
5713 (SHLIB_INSTALL): New.
5714 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5715 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5716 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5717 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5718 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5720 2001-01-07 Richard Henderson <rth@redhat.com>
5722 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5723 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5724 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5726 2001-01-07 Michael Hayes <mhayes@redhat.com>
5728 * loop.c (count_loop_regs_set): Delete.
5729 (load_mems_and_recount_loop_regs_set): Delete.
5730 (loop_regs_scan): Merge common code from count_loop_regs_set,
5731 scan_loop, and load_mems_and_recount_loop_regs_set.
5732 (scan_loop): Call load_mems directly and loop_regs_scan
5733 again if new registers created.
5735 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5737 * toplev.c (main): Call the front-end specific post_options
5738 hook if one is given.
5739 * toplev.h (struct_lang_hooks, lang_hooks): New.
5740 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5741 for the C front end.
5742 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5743 lang_hooks for the C++ front end.
5744 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5745 lang_hooks for the ObjC front end.
5746 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5747 * java/lang.c (lang_hooks): Hooks for the Java front end.
5749 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5751 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5752 for verbose DWARF[2] debugging.
5753 (cb_define, cb_undef): The new callbacks.
5754 * toplev.h (debug_define, debug_undef): Make const correct.
5755 * toplev.c (debug_define, debug_undef): Similarly. Do not
5756 perform the verbosity tests here anymore.
5758 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5760 * reload.c (subst_reloads): Take INSN argument. When
5761 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5762 * reload.h (subst_reloads): Adjust prototype.
5763 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5764 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5765 present in JUMP_INSNs and copy them to JUMP_LABEL.
5766 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5767 JUMP_INSNs and insns with REG_LABELs that are followed by
5768 JUMP_INSNs with the same REG_LABEL.
5769 * sched-rgn.c (is_cfg_nonregular): Likewise.
5770 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5772 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5774 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5776 2001-01-06 Richard Henderson <rth@redhat.com>
5778 * loop.c (scan_loop): Use xcalloc for the regs array.
5779 (load_mems_and_recount_loop_regs_set): Zero the new memory
5780 received from xrealloc.
5782 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5784 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5786 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5788 * integrate.c (copy_rtx_and_substitute): When copying
5789 an ignored return value, strip REG_FUNCTION_VALUE_P.
5791 2001-01-06 Michael Hayes <mhayes@redhat.com>
5793 * loop.c (debug_biv, debug_giv): New.
5794 (loop_biv_dump): Break out from ...
5795 (record_biv): ... here.
5796 (loop_giv_dump): Break out from ...
5797 (record_giv): ... here.
5798 (loop_bivs_check): Use print_simple_rtl.
5799 * unroll.c (loop_iterations): Use print_simple_rtl.
5801 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5803 * pa.md (return, return_internal): Modify patterns to prevent regrename
5804 mucking with the return pointer.
5806 2001-01-05 Richard Henderson <rth@redhat.com>
5808 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5810 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5812 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5813 version supplied by Matteo Frigo.
5815 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5817 * cpp.texi: Update for -MQ.
5818 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5819 (cpp_cleanup): Always free pfile->deps.
5820 (initialize_dependency_output): Don't create pfile->deps.
5821 (cpp_handle_option): Similarly.
5823 * gcc.c (cpp_options): Handle -MQ.
5824 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5825 * mkdeps.c (base_name): Remove.
5826 (deps_init): Don't allocate vector space until it's needed.
5827 (deps_free): Only free vectors if allocated.
5828 (deps_add_target, deps_add_dep): Update for initial allocation.
5829 (deps_add_default_target): Don't strip to the base_name.
5831 2001-01-05 DJ Delorie <dj@redhat.com>
5833 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5834 (INIT_EXPANDERS): Define.
5836 * config/v850/v850.c (struct machine_function): Define.
5837 (v850_save_machine_status): New function.
5838 (v850_restore_machine_status): New function.
5839 (v850_return_addr): New function.
5840 (v850_init_expanders): New function.
5842 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5843 and v850_init_expanders.
5845 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5847 * cpplib.h (struct cpp_reader): Add help_only field.
5848 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5849 (cpp_handle_option): Set pfile->help_only if we see -h,
5850 --help, -target-help, or --version. Print version string but
5851 do not set help_only if we see -v or -version. Make text
5852 printed by -v match that printed by (-)-version.
5854 * cppmain.c (main): Exit after option parsing if
5855 pfile->help_only is true.
5857 * toplev.c (independent_decode_option): Call print_version,
5858 then exit, if we see --version (but not -version).
5859 (print_version): Split lengthy message into two lines.
5861 2001-01-05 Nick Clifton <nickc@redhat.com>
5863 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5864 temporary string for initialisation before calling ggc_alloc_string.
5866 2001-01-06 Michael Hayes <mhayes@redhat.com>
5868 * rtl.h (print_simple_rtl): New.
5869 * print-rtl.c (print_simple_rtl): New.
5871 (print_rtx): Disable printing of flags and modes, etc.,
5872 if `flag_simple` nonzero.
5874 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5876 * function.c (fixup_var_refs): Use push_to_full_sequence where
5879 2001-01-05 Michael Meissner <meissner@redhat.com>
5881 * flags.h (flag_reorder_blocks): Add declaration.
5882 (flag_rename_block): Ditto.
5884 2001-01-05 DJ Delorie <dj@redhat.com>
5886 * function.c (reorder_blocks): Make sure the flags are all reset
5887 before using them to mark blocks, else a second invocation will
5888 corrupt the block chain.
5889 (reorder_blocks_0): New, resets the flags.
5891 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5893 * cse.c (find_comparison_args): Stop if the argument is known to
5896 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5898 * config/sh/sh.md (movdf): When splitting load into pair of
5899 registers, don't clobber the register used in the address too
5902 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5904 * varasm.c (mark_constant_pool): Improve initial comments.
5905 (mark_constants): Move marking of constants to mark_constant.
5906 (mark_constant): New function to recursively mark all constants
5907 referred to by a constant.
5909 2001-01-05 Catherine Moore <clm@redhat.com>
5911 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5913 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5915 * cp/lang-options.h: Bring comment in line with reality.
5916 * f/lang-options.h: Likewise.
5917 * java/lang-options.h: Likewise.
5918 * objc/lang-options.h: Likewise.
5919 * ch/lang-options.h: Likewise.
5920 * f/g77.texi: And update the manual.
5922 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5923 Denis Chertykov <denisc@overta.ru>
5925 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5926 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5927 * config/avr/avr.md (all peepholes that request a scratch register):
5928 Call it, FAIL the peephole if not safe (in interrupt functions).
5930 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5932 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5934 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5936 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5938 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5939 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5940 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5941 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5942 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5944 * extend.texi: Document these builtins.
5946 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5948 * c-common.c (lang_get_alias_set): Say we know nothing of
5949 VECTOR_TYPE aliasing.
5951 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5953 2001-01-05 Bruce Korb <bkorb@gnu.org>
5955 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5956 their x* equivalent versions for atexit-less systems
5957 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5958 systems (or any other system any more).
5960 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5962 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5963 output operands. Use arm_hard_register_operand for operand 4.
5964 (stmsi_postinc): Similarly.
5965 (ldmsi): Use arm_hard_register_operand for opernand 2.
5967 * arm.c (arm_hard_register_operand): New function.
5968 * arm-protos.h (arm_hard_register_operand): Prototype it.
5970 * arm.h (HARD_REGNO_RENAME_OK): Define.
5972 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5974 * simplify-rtx.c (cfc_args): add "unordered" field.
5975 (check_fold_consts): Set unordered field.
5976 (simplify_relational_operation): Simplify the unordered
5979 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5982 * emit-rtl.c (try_split): Fix code to mark labels.
5983 * jump.c (mark_jump_label): Make global.
5984 * rtl.h (mark_jump_label): Declare.
5986 * predict.c (estimate_probability): Handle unordred comparisons.
5988 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5990 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5991 * cppinit.c (initialize_dependency_output): Update.
5992 (cpp_finish): Output dummy targets for -MP.
5994 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5995 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5996 * gcc.c (cpp_options): Update to handle -MP.
5997 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5998 to quote only the default target.
5999 (deps_phony_targets): Insert a preceding newline. Rename from
6000 deps_dummy_targets for consistency.
6003 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6005 * calls.c (emit_library_call_value_1): Support
6006 INIT_CUMULATIVE_LIBCALL_ARGS.
6007 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6009 2001-01-04 Richard Henderson <rth@redhat.com>
6011 * c-decl.c (finish_struct): Detect flexible array members
6012 used in an inappropriate context.
6013 * c-typeck.c (really_start_incremental_init): Special case
6014 constructor_max_index for zero length arrays.
6015 (pop_init_level): Allow initialization of flexible array
6016 members. Deprecate initialization of zero length arrays.
6017 Don't issue missing initializer warning for flexible array
6018 members or zero length arrays.
6019 (process_init_element): Don't dereference null DECL_SIZE.
6020 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6021 Don't abort for empty constructors. Use size_binop
6022 (output_constructor): Add commentary regarding zero length
6023 array futures. Abort if we try to initialize an array of
6024 unspecified length with a non-empty constructor in the middle
6027 * extend.texi (Zero Length): Update and clarify documentation
6028 on static initialization.
6030 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6032 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6033 with more than 32767 words of local storage.
6035 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6037 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6038 for 'abs', 'labs', and 'fabs'.
6039 (c4x_expand_builtin): Likewise.
6040 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6042 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6044 * config/sh/sh.md (prget, prset): New insn types.
6045 (return delay slot): Dont' allow prset.
6046 (call, sfunc delay slot): Don't allow prget.
6047 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6048 for prset and prget.
6050 2001-01-05 Michael Hayes <mhayes@redhat.com>
6052 * loop.h (struct loop_reg): New.
6053 (struct loop_regs): Change to use array of `struct loop_reg'.
6054 * loop.c: Replace assortment of varrays with single regs array.
6055 (count_one_set): Delete may_not_move array argument
6056 and use regs array instead. All caller's changed.
6057 (count_loop_regs_set): Delete may_not_move and single_usage
6058 arguments and use regs array instead. All caller's changed.
6059 (find_single_use_in_loop): Replace usage array argument with pointer
6060 to regs structure. All caller's changed.
6061 (loop_optimize): Delete `moved_once' array.
6063 2001-01-05 Michael Hayes <mhayes@redhat.com>
6065 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6066 Use it instead of loop_info->has_call for scanning loop mems.
6067 (check_dbra_loop): Replace loop_info->has_call test with
6068 loop_info->has_nonconst_call.
6070 2000-01-04 Matthew Hiller <hiller@redhat.com>
6072 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6075 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6077 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6078 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6080 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6082 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6083 (flag_short_double, flag_short_wchar): Define.
6084 (c_common_nodes_and_builtins): Create many tree nodes shared
6085 between C and C++ here instead of in cp/decl.c and ...
6086 * c-decl.c (init_decl_processing): ... here.
6087 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6088 (flag_short_double, flag_short_wchar): Don't define.
6089 (record_builtin_type): New function.
6090 (build_void_list_node): New function.
6091 * c-common.h (flag_short_double, flag_short_wchar,
6092 record_builtin_type, build_void_list_node): Declare.
6094 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6096 * integrate.c (expand_inline_function): Don't put a virtual
6097 register into the reg map.
6099 * function.c (fixup_var_refs_1): If force_operand didn't put
6100 the address into the target, move it there.
6102 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6104 Special-case tree_decl/tree_list allocations.
6105 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6106 (OBJECT_SIZE): New macro.
6107 (NUM_EXTRA_ORDER): Likewise.
6108 (extra_order_size_table): New variable.
6109 (NUM_ORDERS): New macro.
6110 (objects_per_page_table): New variable.
6111 (object_size_table): New variable.
6112 (G.pages): Use NUM_ORDERS to bound the array.
6113 (G.page_tails): Likewise.
6114 (DIV_ROUND_UP): Remove.
6115 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6116 (alloc_page): Use OBJECT_SIZE.
6117 (size_lookup): Don't make it const.
6118 (ggc_alloc): Use OBJECT_SIZE.
6119 (ggc_set_mark): Likewise.
6120 (ggc_get_size): Likewise.
6121 (init_ggc): Set up the object_size_table, objects_per_page_table,
6122 and adjust size_lookup.
6123 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6124 (ggc_pop_context): Use NUM_ORDERS.
6125 (clear_marks): Likewise.
6126 (sweep_pages): Likewise.
6127 (poison_pages): Likewise.
6128 (ggc_print_statistics): Use OBJECT_SIZE.
6130 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6132 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6133 Only call array_size_for_constructor if last field and array type
6134 with no upper bound.
6136 2001-01-04 Philip Blundell <philb@gnu.org>
6138 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6139 from bit 31 downwards, if this requires no more insns.
6140 (count_insns_for_constant): New helper function for above.
6142 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6144 * gencodes.c (output_predicate_decls): Remove empty initializer.
6146 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6148 * tree.c (copy_node): Remove documentation about obstacks.
6149 (buidl1): Check that nobody tries to build 2-argument nodes this
6152 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6154 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6157 * gencodes.c (output_predicate_decls): Fill empty initializer
6160 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6162 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6163 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6165 (do_include): Handle missing headers like cpp0.
6166 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6167 paths with first include pathname. Don't strcat to uninitialized
6170 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6172 * regrename.c (regrename_optimize): Don't rename from frame pointer
6173 if frame_pointer_needed.
6174 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6175 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6176 (ia64_reorg): Use it instead of scheduling if ! optimize.
6177 (errata_emit_nops): Properly call asm_noperands.
6178 (ia64_sched_reorder): Finish cycle if we see an asm.
6179 (ia64_variable_issue): Clear scheduling state after asms.
6181 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6183 * cpp.texi: Update for -MT.
6184 * cppinit.c (initialize_dependency_output): Add a default
6185 target if none has been given already.
6186 (no_tgt, OPT_MT): New.
6187 (cpp_handle_option): Handle -MT. Update -M etc.
6188 * cpplib.h (struct cpp_options): Remove deps_target.
6189 * gcc.c (cpp_options): Handle -MT.
6190 * mkdeps.c (struct deps): Move from mkdeps.h.
6191 (deps_calc_target): Rename deps_add_default_target. Add a
6192 default target if none has been specified already.
6193 * mkdeps.h (struct deps): Move to mkdeps.c.
6194 (deps_calc_target): Rename deps_add_default_target.
6196 2000-01-03 Richard Henderson <rth@redhat.com>
6198 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6200 * c-typeck.c (push_init_level): Move checks for flexible array
6201 members and zero length arrays ...
6202 (pop_init_level): ... here. Silently discard empty initializations.
6204 * varasm.c (output_constructor): Update for sizeof change to
6207 * extend.texi (Zero Length): Clarify semantics.
6209 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6211 * configure.in (tm.h): Include isns-codes.h last.
6212 * configure: Rebuilt.
6214 2001-01-03 Richard Henderson <rth@redhat.com>
6216 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6217 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6219 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6221 * tradcpp.c (main): Make sure finclude() is called with a valid
6222 indepth value while handling -include.
6224 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6226 * gencodes.c (output_predicate_decls): New function.
6228 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6229 even if it is not the first time machmode.h is #included.
6230 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6231 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6232 * gcc.texi (Copyright): Added 2001.
6234 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6236 * c-common.c (c_common_lang_init): New function. Warn if format
6237 warning options which only have effects when used with -Wformat
6238 are used without -Wformat.
6239 * c-common.h (c_common_lang_init): Declare.
6240 * c-lang.c (lang_init): Call c_common_lang_init.
6241 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6243 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6245 * configure.in: Check for the mktemp command.
6246 * configure: Regenerate.
6247 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6248 $TEMP. Create temporary files with mktemp, if available at
6249 configure time; otherwise use set -C. Remove temporary files
6252 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6254 * configure.in: Require at least texinfo 4.0. Check for whether
6255 Pod::Man is sufficiently recent to regenerate GCC manpages.
6256 * configure: Regenerate.
6257 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6259 (GENERATED_MANPAGES): Define.
6260 (generated-manpages): New target. Depend on cpp.1 as well as
6262 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6263 configure to generated-manpages or empty) rather than on the
6264 manpages directly. Remove execute permission from installed
6265 gcov.1 as well as cpp.1.
6266 * cpp.1, gcov.1: Regenerate.
6268 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6270 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6271 tree_low_cst. Allow using cmpstrsi in more cases.
6273 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6275 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6278 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6280 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6281 * Makefile.in (HOST_CFLAGS): Mention build-make.
6283 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6285 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6288 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6290 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6293 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6296 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6297 reg_base_value and reg_known_value arrays.
6298 (init_alias_analysis): Add more cases to detect known values.
6299 * sched-deps.c (deps_may_trap_p): New function.
6300 (sched_analyze_2): Use it.
6302 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6304 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6305 don't discard an ASHIFTRT if we're shifting in a wider mode.
6307 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6309 * toplev.c (rest_of_compilation): Don't print basic block information
6310 when CFG isn't up to date.
6312 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6314 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6315 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6316 (UNALIGNED_SHORT_ASM_OP): Define.
6317 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6319 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6321 * fold-const.c (fold_convert): Fix typo.
6323 2001-01-02 Richard Henderson <rth@redhat.com>
6325 * c-common.h (ASM_INPUT_P): New.
6326 * c-parse.in (asm): Set it when needed.
6327 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6328 existance of an operand.
6330 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6332 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6333 (dwarf2out_frame_debug_expr): Likewise.
6334 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6336 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6338 * i386.c (ix86_split_to_parts): Return number of part required;
6340 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6342 (ix86_split_long_move): Use number of part returned
6343 by ix86_split_to_parts
6344 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6346 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6347 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6348 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6349 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6350 (ALIGN_MODE_128): Add TFmode.
6351 (IS_STACK_MODE): Likewise.
6352 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6353 (HARD_REGNO_OK): Support TFmodes.
6354 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6355 * i386.md (scheduler definitions): Use memory operand to determine
6356 fst/fld instructions; use mode attribute to determine real mode of
6358 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6359 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6361 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6363 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6365 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6367 * expr.c (store_constructor_field): Update ALIGN before calling
6370 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6372 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6375 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6377 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6380 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6382 * c-decl.c (start_function): Don't warn on third parameter to main.
6384 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6386 * tsystem.h: Define HAVE_DECL_GETOPT.
6388 2001-01-02 Philip Blundell <pb@futuretv.com>
6390 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6393 2001-01-02 Richard Henderson <rth@redhat.com>
6395 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6397 2001-01-02 Andreas Jaeger <aj@suse.de>
6399 * c-decl.c (c_decode_option): Remove support of
6402 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6403 (W_options): Add -Wmissing-noreturn here.
6405 * flow.c: Define lang_missing_noreturn_ok_p.
6406 (check_function_return_warnings): Use it.
6408 * c-common.h: Declare lang_missing_noreturn_ok_p.
6410 * c-lang.c (c_missing_noreturn_ok_p): New function.
6411 (lang_init): Set lang_missing_noreturn_ok_p.
6413 * invoke.texi (Warning Options): Document this.
6415 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6417 * extend.texi (C++ Extensions): New node for C++ attributes;
6418 describe init_priority and com_interface.
6419 * invoke.texi: Remove -finit-priority as it now has zero effect.
6420 * install.texi: Fix xref syntax.
6421 * md.texi: Likewise.
6423 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6425 * config.gcc (sparc64-wrs-vxworks*): New case.
6426 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6428 * config/sparc/sparc.c (sparc_override_options): Do support different
6429 pointer and architecture size.
6430 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6431 (POINTERS_EXTEND_UNSIGNED): Define.
6432 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6433 (FUNCTION_MODE): Define to be Pmode.
6434 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6436 * function.c (expand_function_end): Properly handle DECL_RESULT
6437 and copy when ptr_mode != Pmode.
6438 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6440 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6442 * c-common.c (c_common_nodes_and_builtins): Set prototype
6443 parameters for __builtin_fputs, __builtin_fputc and
6444 __builtin_fwrite. Don't declare plain fputc as a builtin.
6446 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6448 * loop.c (add_label_notes): Increment the label usage count when
6449 a note is added to an insn which refers to a CODE_LABEL.
6450 * gcse.c (add_label_notes): Likewise.
6452 2001-01-01 Andreas Jaeger <aj@suse.de>
6454 * loop.c (scan_loop): Use xmalloc to allocate movables.
6456 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6458 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6459 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6460 * reload1.c (REGISTER_MOVE_COST): Likewise.
6461 * regclass.c (REGISTER_MOVE_COST): Likewise.
6462 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6463 dimension. Adjust all users.
6464 (init_reg_sets_1): Iterate on all modes.
6465 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6466 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6467 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6468 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6469 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6470 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6471 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6472 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6473 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6474 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6475 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6476 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6477 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6478 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6479 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6480 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6481 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6482 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6483 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6484 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6485 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6486 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6487 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6488 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6489 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6490 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6491 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6493 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6495 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6496 arg VARIES_P. Call it with extra arg.
6497 (true_dependence): Likewise.
6498 * rtl.h (rtx_addr_can_trap_p): Declare.
6499 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6501 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6502 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6503 pic offset table register if it's zero. All callers changed.
6504 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6506 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6508 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6509 STRING_POOL_ADDRESS_P.
6511 * config/sparc/sparc.c (input_operand): Properly test for short op.
6513 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6514 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6515 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6516 * config/sparc/elf.h: No longer include sol2.h.
6517 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6518 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6520 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6522 2001-01-01 Michael Hayes <mhayes@redhat.com>
6524 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6525 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6526 (record_initial): Likewise.
6527 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6528 (remap_split_bivs): Likewise.
6530 2001-01-01 Michael Hayes <mhayes@redhat.com>
6532 * loop.c (loop_ivs_free): New function.
6533 (strength_reduce): Break out from...
6535 2001-01-01 Michael Hayes <mhayes@redhat.com>
6537 * loop.h (struct iv): New.
6538 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6539 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6540 'reg_biv_class' fields with 'regs' and 'n_regs'.
6541 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6542 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6543 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6545 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6547 * resource.c (mark_referenced_resources): Abort() before
6548 attempting to mark a pseudo register.
6549 (mark_set_resources): Likewise.
6551 2001-01-01 Michael Hayes <mhayes@redhat.com>
6553 * loop.h (REG_IV_CLASS): New accessor macro.
6554 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6555 * unroll.c (REG_IV_CLASS): Likewise.
6557 See ChangeLog.4 for earlier changes.