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 2001-03-16 Michael Meissner <meissner@redhat.com>
15 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
17 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
19 (BITMASK_LOWER16): Replacement for 0x0000ffff.
21 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
22 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
23 being unsigned in ISO C and signed in traditional.
24 (expand_prologue): Ditto.
25 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
27 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
29 (divsi3,divdi3): Ditto.
30 (modsi3,moddi3): Ditto.
31 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
32 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
33 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
36 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
38 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
39 SSE based conditional moves on LTGT/UNEQ conditions;
40 Canonicalize EQ to NE.
41 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
42 (sse_mov?fcc_ne): New.
44 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
46 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
48 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
51 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
53 * Makefile.in (hash.o): Depend on CONFIG_H.
55 2001-03-15 Mark Mitchell <mark@codesourcery.com>
57 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
59 2001-03-15 Richard Henderson <rth@redhat.com>
61 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
62 (ASM_OUTPUT_DWARF_PCREL): New.
63 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
65 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
67 * cppfiles.c (stack_include_file): Use MAX of sysp.
69 2001-03-15 Steve Ellcey <sje@cup.hp.com>
71 * config.gcc (ia64*-*-hpux*): New case.
72 * config/ia64/hpux.h: New file for HP-UX support.
73 * config/ia64/t-hpux: New file for HP-UX support.
75 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
77 * fixinc/inclhack.def (irix_stdio_va_list): New.
78 * fixinc/fixincl.x: Rebuilt.
80 2001-03-15 Richard Henderson <rth@redhat.com>
82 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
83 if provided by the target.
84 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
85 (dw2_asm_output_addr): New.
86 * dwarf2asm.h (dw2_asm_output_addr): Declare.
87 * dwarf2out.c (output_cfi): Use it for program addresses.
88 (output_call_frame_info, output_die): Likewise.
89 (output_aranges, output_line_info): Likewise.
91 2001-03-15 Bruce Korb <bkorb@gnu.org>
93 * gcc.c(main): make more rigorous
94 * collect2.c(main): guard against ignoring SIGCHLD
95 * protoize.c(main): ditto
96 * gcc/fixinc/fixincl.c(initialize): ditto
98 2001-03-15 Mark Mitchell <mark@codesourcery.com>
100 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
101 (sdbout_parms): Likewise.
103 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
105 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
106 "widen" a destination that is already wider than a word. Also do
107 not widen if LOAD_EXTEND_OP is NIL for the given mode.
109 2001-03-15 Bernd Schmidt <bernds@redhat.com>
111 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
113 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
115 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
117 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
119 * i960.h (i960_maxbitalignment,
120 i960_last_maxbitalignment): Declare.
121 * i960.c (i960_maxbitalignment,
122 i960_last_maxbitalignment): Make global.
123 (process_pragma): Delete.
124 (i960_pr_align, i960_pr_noalign): Move from here ...
125 * i960-c.c: ... to this new file.
126 * t-960bare (i960-c.o): New rule.
127 * t-vxworks960 (i960-c.o): Likewise.
128 * config.gcc (i960-*-*): Define c_target_objs and
131 2001-03-15 Bernd Schmidt <bernds@redhat.com>
133 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
134 without adding in rtx code and mode.
136 * alias.c (init_alias_analysis): Don't use any rtx whose value
137 varies as a known value.
138 Delete a superfluous test.
140 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
142 (ia64_sched_reorder): Call maybe_rotate; also rotate after
143 scheduling a stop bit.
144 (ia64_emit_nops): Correctly handle ASMs.
146 2001-03-15 Mark Mitchell <mark@codesourcery.com>
148 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
150 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
152 * cpp.texi: Update documentation for -include and -imacros.
153 * cppfiles.c (struct include_file): Remove "defined" memeber.
154 (find_or_create_entry): Make a copy of the file name, and
156 (open_file): Update to ensure we use the simplified filename.
157 (stack_include_file): Don't set search_from.
158 (cpp_included): Don't simplify the path name here.
159 (find_include_file): New prototype. Call search_from to
160 get the start of the "" include chain. Don't simplify the
162 (_cpp_execute_include): New prototype. Move diagnostics to
163 do_include_common. Update.
164 (_cpp_pop_file_buffer): Don't set defined.
165 (search_from): New prototype. Use the preprocessor's cwd
166 for files included from the command line.
167 (read_name_map): Don't simplify the pathname here.
168 * cpphash.h (enum include_type): New.
169 (struct buffer): Delete search from. New search_cached.
170 (_cpp_execute_include): Update prototype.
171 * cppinit.c (do_includes): Use _cpp_execute_include.
172 * cpplib.c (do_include_common): New function.
173 (do_include, do_include_next, do_import): Use it.
175 2001-03-14 Mark Mitchell <mark@codesourcery.com>
177 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
178 contents of the RTL, to determine the name of the object.
180 2001-03-14 Mark Mitchell <mark@codesourcery.com>
182 * tree.h (DECL_RTL): Allocate RTL lazily.
183 (SET_DECL_RTL): New macro.
184 (DECL_RTL_SET_P): Likewise.
185 (COPY_DECL_RTL): Likewise.
186 (DECL_RTL_IF_SET): Likewise.
187 * varasm.c (make_decl_rtl): Add assertions about the kind of
188 declaration we are processing.
189 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
190 (start_decl): Likewise.
191 (finish_decl): Likewise.
192 * c-semantics.c (emit_local_var): Likewise.
193 * calls.c (expand_call): Likewise.
194 * dbxout.c (dbxout_symbol): Likewise.
195 * emit-rtl.c (unshare_all_rtl): Likewise.
196 (unshare_all_decls): Likewise.
197 (reset_used_decls): Likewise.
198 * expr.c (store_constructor): Likewise.
199 (safe_from_p): Likewise.
200 (expand_expr): Likewise.
201 * function.c (put_var_into_stack): Likewise.
202 (instantiate_decls_1): Likewise.
203 (assign_parms): Likewise.
204 (expand_function_start): Likewise.
205 (expand_function_end): Likewise.
206 * ggc-common.c (gcc_mark_trees): Likewise.
207 * integrate.c (function_cannot_inline_p): Likewise.
208 (copy_decl_for_inlining): Likewise.
209 (expand_inline_function): Likewise.
210 (integrate_parm_decls): Likewise.
211 (integrate_decl_tree): Likewise.
212 * print-tree.c (print_node): Likewise.
213 * reg-stack.c (stack_result): Likewise.
214 * stmt.c (label_rtx): Likewise.
215 (expand_return): Likewise.
216 (expand_decl): Likewise.
217 (expand_decl_cleanup): Likewise.
218 (expand_anon_union_decl): Likewise.
219 * toplev.c (check_global_declarations): Likewise.
220 (rest_of_decl_compilation): Likewise.
221 * tree.c (simple_cst_equal): Likewise.
222 * objc/objc-act.c (generate_static_references): Likewise.
224 2001-03-14 Zack Weinberg <zackw@stanford.edu>
226 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
227 gcc_AC_C_FLOAT_FORMAT): New macros.
228 * configure.in: Add AC_PROG_CPP after CC tests;
229 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
230 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
231 * configure, config.in: Regenerate.
233 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
234 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
235 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
236 config/i370/xm-linux.h, config/i370/xm-oe.h,
237 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
238 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
239 config/pa/xm-linux.h, config/pa/xm-pa.h,
240 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
241 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
242 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
243 config/we32k/xm-we32k.h: Delete.
245 * config/i370/xm-mvs.h, config/m88k/m88k.h,
246 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
247 config/vax/xm-vms.h: Don't define any of:
248 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
250 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
252 * config.gcc: Remove references to deleted files.
253 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
254 FATAL_EXIT_CODE, which is the same between oe and mvs).
256 2001-03-14 DJ Delorie <dj@redhat.com>
257 Vladimir Makarov <vmakarov@redhat.com>
259 * config/i960/i960.c (i960_function_prologue): Compute size of
260 frame according to number of registers actually saved there.
262 2001-03-14 Richard Henderson <rth@redhat.com>
264 * expr.c (emit_move_insn_1): Fix else if around #endif.
266 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
269 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
272 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
274 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
275 (override_options): Parse cmodel string.
276 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
277 * i386.h (TARGET_OPTIONS): Add "cmodel".
278 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
280 (ix86_cmodel_string, ix86_cmodel): Declare.
282 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
285 * i386.h (GENERAL_REG_P): Add missing REG_P.
287 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
289 * configure.in: Use $gcc_cv_as instead of $as.
290 * configure: Regenerated.
292 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
294 * cppfiles.c (stack_include_file): Only increase the include
295 count if we actually process the file properly, as opposed
296 to treating it as length zero. Only call read_include_file
297 if not DO_NOT_REREAD. Handle the -H include file output
299 (read_include_file): Remove now redundant DO_NOT_REREAD check.
300 (cpp_included, find_include_file): Simplify pathnames after
301 remapping them. If remapping, don't use the remapped file
302 name's buffer as our scratch buffer.
303 (cpp_pop_file_buffer): Replace the multiple include macro
304 only if it isn't yet set.
305 (read_name_map): Simplify remapped names when reading in.
306 (remap_filename): Move code to code path that uses it.
307 (_cpp_simplify_pathname): Return the input pointer.
308 * cpphash.h (_cpp_simplify_pathname): Update prototype.
310 2001-03-14 Mark Mitchell <mark@codesourcery.com>
312 * expr.c (expand_expr): Revove bogus conditional.
314 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
316 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
318 2001-03-14 Jakub Jelinek <jakub@redhat.com>
320 * reg-stack.c (stack_result): Unconditionally use
321 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
323 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
325 * expr.c (emit_move_insn_1): Split push of complex value when
326 no suitable push instruction exist.
328 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
331 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
333 * alias.c (handled_component_p, can_address_p): New functions.
334 (get_alias_set): Use them.
336 2001-03-13 Jim Wilson <wilson@redhat.com>
338 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
339 from 80 in try_locals code.
340 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
342 2001-03-13 Zack Weinberg <zackw@stanford.edu>
344 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
345 gcc_AC_C_LONG_LONG): New.
346 * configure.in: Use them. Probe the size of short, int, long,
347 and long long/__int64 if we have them. Move all the AC_C_*
348 checks together, except gcc_AC_C_CHAR_BIT which has to go
349 after AC_CHECK_HEADERS(limits.h).
350 Take hwint.h out of host_xm_file and build_xm_file.
352 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
353 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
354 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
355 Move the HOST_WIDEST_INT setup logic here from system.h.
356 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
358 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
359 is now handled by hwint.h.
361 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
362 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
363 config/ia64/xm-ia64.h: Don't define any of:
364 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
365 HOST_BITS_PER_LONGLONG.
367 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
368 config/h8300/xm-h8300.h, config/mips/iris6.h,
369 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
370 config/sparc/xm-sp64.h: Delete.
371 * config.gcc: Remove references to deleted files.
373 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
374 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
375 * config/i370/xm-linux.h: Clarify floating-point situation in
378 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
380 * cppfiles.c (NO_INCLUDE_PATH): New macro.
381 (find_include_file): Decide here which part of the include
382 chain to start the search. Complain about an empty include
383 chain in all cases apart from an abolsute file name.
384 (_cpp_execute_include): Don't choose the search chain here.
385 Don't call handle_missing_include in the case of an empty
387 (_cpp_compare_file_date): Don't choose the search chain here.
388 * cpplib.c (do_include_next): Move the in-main-file diagnostic
389 here from _cpp_execute_include. Behave like #include if
390 we're in the main file.
392 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
394 * system.h (malloc, realloc, calloc, strdup): Only poison these
395 tokens when IN_GCC is defined.
397 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
399 * i386.md (abs?f expander): Support SSE case.
400 (abd?f_if): Add new "USE"; add splitters.
402 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
404 * cpp.texi (poison): Explain the macro expansion exception.
406 2001-03-13 Jakub Jelinek <jakub@redhat.com>
408 * expr.c (store_expr): Add dont_store_target. If temp is already in
409 target before copying to reg, don't store it into target again.
411 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
413 * cppinternals.texi: Update for file handling.
415 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
417 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
418 2001-02-24 which broke building the Java library.
419 * function.c (identify_blocks): Likewise.
420 (all_blocks): Likewise.
421 * integrate.c (integrate_decl_tree): Likewise.
422 * print-tree.c (print_node): Likewise.
423 * tree.h (BLOCK_NUMBER): Likewise.
424 (struct tree_block): Likewise.
426 2001-03-12 David Edelsohn <edelsohn@gnu.org>
428 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
429 __WCHAR_TYPE__ definition.
430 (WCHAR_TYPE_SIZE): #undef before #define.
432 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
434 * cppfiles.c: Update comments.
435 (destroy_include_file_node): Rename destroy_node.
436 (find_or_create_entry): New function.
437 (open_file, _cpp_fake_include): Use it.
438 (handle_missing_header): New function, broken out of
439 _cpp_execute include. Don't segfault if there is no
440 system or quoted path.
441 (_cpp_execute_include): Use handle_missing_header.
443 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
445 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
446 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
448 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
450 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
451 unless anti_dependence says they are.
452 * alias.c (objects_must_conflict): If neither has a type specified,
455 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
456 David Billinghurst <David.Billinghurst@riotinto.com>
458 * config/mips/iris5.h: Change WCHAR_TYPE to int.
460 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
462 * i386.md (trunctfdf2_2): Rename missnamed pattern.
463 (*_one_bit): Remove type on the match_operand in attributes.
465 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
467 * i386.c: Commit forgotten hunk in previous patch.
468 (regclass_map): Add extended registers.
469 (dbx_register_map): Add missing frame register.
471 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
473 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
475 * i386.md (x86_sahf_1): Disable for 64bit.
476 (popsi*, pophi*): Likewise.
477 (pushqi, pushhi): Likewise.
478 (movdi, pushdi): Likewise.
479 (zero extend DImode splitter): Likewise.
480 (adddi, minusdi splitter): Likewise.
481 (umulsidi): Likewise.
483 (mulsidi): Disable for 64bit
484 (lshift:DI/ashift:DI): Disable for 64bit.
485 (loop patterns): Likewise.
486 (call_pop, call_value_pop expanders and patterns): Likewise.
487 (prologue_get_pc): Likewise.
489 (fcmovDI pattern and splitter): Likewise.
490 (movdfcc_1_rex64): New.
492 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
494 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
495 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
496 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
497 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
498 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
499 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
500 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
501 (PUSH_ROUNDING): x86_64 rounds to 64bits.
502 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
503 (REGPARM_MAX): Set to 6 for x86_64.
504 (SSE_REGPARM_MAX): Set to 16 for x86_64.
505 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
508 * (patterns that does use upper halves): Update constraints
509 'q' to 'Q' and 'r' to 'R'.
510 (cmpqi_ext_1): Disable for 64bit.
511 (cmpqi_ext_3_insn): Likewise.
512 (movqi_extzv_1): Likewsie.
513 (addqi_ext_1): Liekwsie
514 (testqi_ext_1): Liekwsie
515 (andqi_ext_1): Liekwsie
516 (xorqi_ext_1): Liekwsie
517 (cmpqi_ext_1_rex64): New.
518 (cmpqi_ext_3_insn_rex64): Likewise.
519 (movqi_extzv_1_rex64): Likewsie.
520 (addqi_ext_1_rex64): Liekwsie
521 (testqi_ext_1_rex64): Liekwsie
522 (andqi_ext_1_rex64): Liekwsie
523 (xorqi_ext_1_rex64): Liekwsie
525 2001-03-11 Zack Weinberg <zackw@stanford.edu>
527 * configure.in: Move check for unsigned enumerated bitfields
528 to macro in aclocal.m4. Disable it for now.
529 * configure, config.in: Regenerate.
530 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
531 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
532 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
533 kind above its first use.
535 * config/xm-interix.h, config/alpha/xm-alpha.h,
536 config/i370/xm-linux.h, config/i386/xm-beos.h,
537 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
538 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
539 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
540 Don't define ONLY_INT_FIELDS under any circumstances.
542 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
544 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
545 config/sparc/xm-sysv4.h: Delete - now identical with some
547 * config.gcc (hppa targets): Replace xm-pahpux.h and
548 xm-papro.h with implicit xm-pa.h.
549 (sparc targets): Replace xm-sysv4.h with implicit or explicit
552 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
554 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
555 before reload_cse_noop_set_p.
557 2001-03-11 Zack Weinberg <zackw@stanford.edu>
559 * config.gcc: Where xm-host.h used to include another
560 xm-host.h, list the nested header directly in xm_file. Remove
561 references to deleted files. Can now use sparc/xm-sp64.h for
564 * config/xm-linux.h, config/arm/xm-linux.h,
565 config/i386/xm-dos.h, config/i386/xm-gnu.h,
566 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
567 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
568 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
569 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
572 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
573 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
574 bother to wrap #undef in #ifdef.
575 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
576 Don't include xm-linux.h.
577 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
579 * configure.in: Wrap regexps using [] in changequote block.
580 Use expr : not echo | grep. Simplify regexps.
581 * configure: Regenerate.
583 56 xm-files remain, 22 xm-arch.
585 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
587 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
588 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
589 (local_index, local_rindex): Delete, use strchr/strrchr instead.
590 (copy_object): Fix format specifier vs argument mismatch.
592 * mips-tdump.c: Make local functions static.
593 (rindex): Don't #undef.
594 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
595 (fatal, fancy_abort): Delete.
596 (read_seek): Avoid signed/unsigned compare.
598 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
600 * combine.c (try_combine): Fix error in change to try original
602 (gen_rtx_combine): Do same as gen_rtx for now.
604 2001-03-11 Zack Weinberg <zackw@stanford.edu>
606 * configure.in: AC_SUBST xm_defines.
607 * configure: Regenerate.
608 * Makefile.in: Set DEFINES=$(xm_defines) when building
611 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
613 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
614 (cpp_included, find_include_file): Update.
615 (_cpp_compare_file_date): Make else unconditional.
617 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
619 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
621 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
623 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
624 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
626 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
628 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
629 if it's a record type.
631 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
633 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
634 mingw includes slightly.
636 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
638 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
639 #undef token before poisoning it.
641 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
643 * alpha.c (check_float_value): Use memcpy, not bcopy.
645 * m32r.c (m32r_sched_reorder): Likewise.
647 * vax.c (check_float_value): Likewise.
649 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
651 * toplev.c (file_name_nondirectory): Remove.
652 * toplev.h: Similarly.
653 * dwarf2out.c (compute_section_prefix): Use lbasename instead
654 of file_name_nondirectory.
656 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
658 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
659 * mips-tfile.c: Don't #undef rindex; not used.
661 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
663 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
664 (dbx64_register_map): Declare.
665 (RETURN_ADDR_RTX): Fix for 64bit.
666 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
667 (INCOMING_FRAME_SP_OFFSET): Set to 8.
668 * i386.c (dbx64_register_map): New global array.
669 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
670 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
673 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
675 * cppfiles.c (search_from): Use lbasename.
676 * mkdeps.c (deps_add_default_target): Use lbasename.
678 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
680 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
681 xcalloc in lieu of malloc, realloc & calloc.
683 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
685 * gengenrtl.c (xmalloc): Likewise.
687 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
688 really_call_* memory allocation routines.
690 * stmt.c (check_for_full_enumeration_handling): Use
691 really_call_calloc, not calloc.
693 * system.h (really_call_malloc, really_call_calloc,
694 really_call_realloc): Define.
695 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
697 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
699 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
701 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
703 * configure: Rebuilt.
704 * configure.in: Only use `lang_requires' for languages athat are
707 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
709 * invoke.texi: Fix typo.
712 2001-03-09 Zack Weinberg <zackw@stanford.edu>
714 * configure.in: Prune nonexistent files from build_xm_file,
715 xm_file, and host_xm_file lists. Warn unless they're
717 Don't generate *config.h here.
718 AC_SUBST all variables needed to generate *config.h.
719 * configure: Regenerate.
720 * mkconfig.sh: New helper script, from code removed from
722 * Makefile.in: Zap all MALLOC variables - no longer used
723 anywhere, and malloc.c doesn't exist.
724 Substitute in variables needed to generate *config.h.
725 Stop lying about the dependencies contained in CONFIG_H and
727 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
728 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
729 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
730 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
731 $(TM_P_H), etc. as appropriate.
733 * config.gcc: Zap references to deleted files.
734 * ggc-none.c: Don't include rtl.h or tm_p.h.
736 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
737 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
738 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
739 config/i386/xm-linux.h, config/i386/xm-linux.h,
740 config/i386/xm-next.h, config/i386/xm-openbsd.h,
741 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
742 Don't include i386/xm-i386.h.
744 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
745 config/i386/xm-i386.h, config/i860/xm-i860.h,
746 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
747 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
748 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
749 Delete (empty except comments, #includes of other deleted
750 files, and macros used nowhere).
752 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
754 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
755 independent on TARGET_FLAGS.
757 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
759 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
761 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
763 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
765 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
766 LAST_REX_SSE_REG): define.
767 (enum reg_class): Add 'LEGACY_REGS'
768 (REG_CLASS_CONTENTS): Likewise; add extended registers.
769 (SSE_REGNO_P): Recognize extended registers.
770 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
771 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
772 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
773 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
774 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
775 REG_OK_FOR_STRREG_P): Remove.
776 (HI_REGISTER_NAMES): Add extended registers.
777 (ADDITIONAL_REGISTER_NAMES): Likewise.
778 (QI_REGISTER_NAMES): Add 8bit extended registers.
779 (DEBUG_REG): Support extended registers.
780 * i386.c (regclass_map): Add extended registers.
781 (dbx_register-map): Likewise.
782 (svr4_dbx_register_map): Likewise.
783 (print_reg): Support extended registers.
784 (print_operand): Support 64bit operands.
786 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
788 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
789 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
790 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
791 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
792 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
793 STACK_BOUNDARY): Set properly for 64bits.
794 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
795 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
796 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
797 (MOVE_MAX): Set to 16.
798 (MOVE_MAX_PIECES): 8 for 64bit.
799 (Pmode): Set to SImode.
801 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
803 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
805 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
807 * i386.h (mask_64bit): New constant.
808 (target_64bit): New macro.
809 (target_options): Add '64'/'32'
810 (target_default): Define.
811 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
812 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
813 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
815 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
817 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
819 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
821 * rtlanal.c (rtx_varies_p): Check operand 0 of a
822 LO_SUM unless for_alias is set.
824 2001-03-08 Stan Shebs <shebs@apple.com>
826 * objc/objc-act.c: Fix old typos in comments, add comments for
828 (hash_init): Fix file name in error message.
830 (hash_add_attr): Ditto.
831 (continue_class): Ditto.
833 2001-03-08 Bruce Korb <bkorb@gnu.org>
835 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
836 wait4() can receive the signal.
838 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
840 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
842 * fixinc/fixincl.x: Regenerate.
844 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
846 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
848 * fixinc/fixincl.x: Regenerate.
850 2001-03-08 Richard Henderson <rth@redhat.com>
852 * configure.in (HAVE_AS_LEB128): New assembler check.
853 * configure, config.in: Rebuilt.
855 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
857 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
860 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
862 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
863 references to the MAXPATHLEN macro.
865 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
866 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
869 * config/i386/xm-gnu.h, config/xm-gnu.h,
870 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
871 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
872 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
875 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
876 doing so in various xm-*.h files.
878 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
880 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
882 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
884 * configure.in (enable_shared): Support per-package shared-library
886 * configure: Rebuilt.
888 2001-03-07 David Edelsohn <edelsohn@gnu.org>
890 * rs6000.md (cr logic): Add original POWER mnemonic alternative
891 for crnot. Set operands[5] in splitter.
893 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
895 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
896 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
897 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
898 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
899 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
900 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
901 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
904 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
905 config/i370/xm-i370.h, config/i386/xm-dgux.h,
906 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
907 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
908 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
909 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
910 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
911 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
912 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
913 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
914 Delete unused and/or empty files.
916 * config.gcc: Define USG in xm_defines as appropriate. Define
917 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
918 macro. Remove deleted xm-* files from $xm_files variable.
920 2001-03-07 Tom Tromey <tromey@redhat.com>
922 * configure: Rebuilt.
923 * configure.in: Allow config-lang.in to set `lang_requires' to list
924 of other required languages.
926 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
928 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
930 (output_prologue): Use xmalloc not oballoc.
931 (output_epilog): Free a29k_first_epilogue_insn when finished.
932 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
934 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
936 * builtins.c (expand_builtin_mathfn): Check
937 flag_unsafe_math_optimizations, not flag_fast_math.
938 (expand_builtin): Likewise
939 * combine.c (combine_simplify_rtx): Likewise.
940 (simplify_if_then_else): Likewise.
941 * cse.c (fold_rtx): Likewise.
942 * flags.h: Remove flag_fast_math. Add
943 flag_unsafe_math_optimizations and flag_trapping_math.
944 * fold-const.c (negate_expr): Check
945 flag_unsafe_math_optimizations, not flag_fast_math.
946 (invert_truthvalue): Likewise.
947 (fold): Likewise. Before associating operands, check that
948 code == MULT_EXPR, not code != MULT_EXPR.
949 * ifcvt.c (noce_try_minmax): Check
950 flag_unsafe_math_optimizations, not flag_fast_math.
951 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
952 * invoke.texi: Document -funsafe-math-optimizations and
953 -fno-trapping-math. Change documentation for -ffast-math.
954 * jump.c (reversed_comparison_code_parts): Likewise.
955 (rtx_equal_for_thread_p): Likewise.
956 * optabs.c (emit_conditional_move): Likewise.
957 * simplify-rtx.c (simplify_binary_operation): Likewise.
958 (simplify_relational_operation): Likewise.
959 (simplify_ternary_operation): Likewise.
960 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
961 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
962 Add trapping-math and unsafe-math-optimizations entries to f_options.
963 (set_fast_math_flags): New, sets flags for -ffast-math.
964 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
965 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
966 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
968 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
969 (alpha_emit_conditional_move): Initialize local_fast_math to
970 flag_unsafe_math_optimizations, not flat_fast_math.
971 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
972 instead of setting flag_fast_math to 1.
973 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
975 * config/i386/i386.c (override_options): Likewise
976 * config/i386/i386.md: Likewise.
977 * config/m68k/m68k.md: Likewise.
978 * config/mips/mips.md: Likewise.
979 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
980 (rs6000_generate_compare): Likewise.
982 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
984 * Makefile.in: Set RANLIB to @RANLIB@.
987 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
989 * fixinc/inclhack.def (djgpp_wchar_h): New test.
990 * fixinc/fixincl.x: Regenerated.
992 2001-03-07 Richard Henderson <rth@redhat.com>
994 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
996 2001-03-07 Richard Henderson <rth@redhat.com>
998 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
999 of block notes and exception handling notes.
1001 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
1002 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
1003 (compile_file): ... here.
1005 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1007 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
1009 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
1010 config.h now. Include libiberty.h to handle alloca.
1012 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1014 * c-parse.in (yylexname): New function, split out of _yylex.
1015 (objc_rid_sans_at): New table.
1016 (init_reswords): Initialize it.
1017 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
1018 retrieving the next token and checking it for significance as
1019 an ObjC keyword or string constant.
1021 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
1022 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
1024 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
1027 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
1029 * config/m68k/m68k.c (const_uint32_operand): Accept any
1030 const_int on a 32-bit host.
1032 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
1034 * objc/objc-act.c (init_objc): Set save_lang_status,
1035 restore_lang_status, and mark_lang_status.
1037 2001-03-06 Krister Walfridsson <cato@df.lth.se>
1039 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
1041 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
1043 * cppinternals.texi: Update.
1045 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1047 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1048 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
1049 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
1050 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1051 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
1052 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1053 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
1054 config/i386/xm-i386.h, config/i860/xm-i860.h,
1055 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1056 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
1057 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1058 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1059 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1060 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1061 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
1062 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1063 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
1064 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1065 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1066 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
1067 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
1068 match the defaults provided in hwint.h.
1070 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1071 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
1073 * config.gcc (xm_file): Don't set to files which are deleted.
1075 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
1076 guard this file against these macros being undefined.
1078 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1080 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
1081 and DECL_DEFER_OUTPUT on the decl we create, before calling
1082 rest_of_decl_compilation.
1084 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1086 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
1088 * configure, config.in: Regenerate.
1089 * config.gcc: Remove references to deleted files.
1091 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
1092 genrecog.c, rtl.c: Do not use alloca anywhere.
1094 * Makefile.in, build-make, system.h, config/x-interix,
1095 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
1096 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
1097 config/arc/xm-arc.h, config/arm/xm-arm.h,
1098 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1099 config/h8300/xm-h8300.h, config/i370/x-oe,
1100 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
1101 config/i386/x-ncr3000, config/i386/x-sco5,
1102 config/i386/xm-dgux.h, config/i860/x-sysv4,
1103 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
1104 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
1105 config/m68k/x-hp320g, config/m69k/x-mot3300,
1106 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
1107 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
1108 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
1109 config/m88k/x-sysv4, config/m88k/x-tekXD88,
1110 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1111 config/mips/x-iris, config/mips/x-iris3,
1112 config/mips/x-sni-svr4, config/mips/x-sysv,
1113 config/mips/xm-iris6.h, config/mips/xm-mips.h,
1114 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
1115 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
1116 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1117 config/pa/xm-papro.h, config/romp/xm-romp.h,
1118 config/rs6000/x-aix31, config/rs6000/x-aix41,
1119 config/rs6000/x-beos, config/rs6000/x-lynx,
1120 config/rs6000/x-mach, config/rs6000/x-rs6000,
1121 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
1122 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1123 config/sparc/x-sysv4, config/sparc/xm-linux.h,
1124 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
1125 config/vax/xm-vms.h: Eradicate all references to alloca and
1128 * config/xm-alloca.h, config/clipper/x-clix,
1129 config/i386/xm-sysv4.h, config/i860/x-fx2800,
1130 config/i860/x-sysv3, config/m88k/x-sysv3,
1131 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
1132 (contained only alloca related hacks).
1134 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
1137 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
1139 * invoke.texi: Document __FAST_MATH__.
1141 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1143 * crtstuff.c: Restore include of auto-host.h.
1145 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
1147 Put main() in a separate file, so that the language
1148 front-end can use a different main().
1151 * toplev.c: (main): Rename as toplev_main.
1152 * toplev.h: Declare toplev_main.
1153 * Makefile.in (OBJS): add toplev.o.
1154 (BACKEND): remove toplev.o, add main.o.
1156 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1158 * cppfiles.c (search_from): Special case the empty string.
1160 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1162 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1163 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1164 strlen or strcpy; we already know the length.
1165 (_cpp_compare_file_date): Similarly.
1166 * cpphash.h (struct cpp_reader): Delete done_initialising.
1167 (CPP_PREV_BUFFER): Delete.
1168 * cppinit.c (cpp_start_read): Don't set done_initialising.
1169 * cpplex.c (parse_string): Guarantee null-termination.
1170 (_cpp_equiv_toklists): Remove.
1171 * cpplib.c (glue_header_name): Null-terminate.
1172 (do_line): Don't leak memory.
1173 * cpplib.h (BT_WEAK): Delete.
1174 * cppmain.c (cb_ident): Strings are now null-terminated.
1176 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1178 * gcc.c (convert_filename): Append executable suffix
1179 if NO_AUTO_EXE_SUFFIX is not defined.
1180 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1181 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1183 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1185 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1186 * c-parse.gperf, c-gperf.h: Delete.
1187 (c-gperf.h was accidently re-added to the CVS repo in the rev
1188 1.16 commit by tromey)
1190 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1192 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1193 macro arguments when looking for the '('.
1194 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1195 2 when really parsing arguments; 1 when looking for '('.
1196 Always restore the lexer position.
1198 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1200 * longlong.h (umul_ppmm): Don't use a multiline string.
1202 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1204 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1205 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1206 t_bool in declaration because pcc can't combine volatile with typedef
1209 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1211 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1212 until when it is really needed.
1213 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1214 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1215 * i386.md (float?i?f splitter): Don't force source operand to memory
1217 (sse_movdfcc): Fix constraint.
1218 (sse_movdfcc splitter): Handle properly the second alternative.
1220 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1222 * cpplex.c (parse_string): Unconditionally pedwarn.
1224 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1227 * cppexp.c (parse_number): Update.
1228 * cpplex.c (parse_string): Pedwarn if multiline string does not
1229 result from a system header's macro.
1230 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1231 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1232 for function-like macros too.
1233 * c-lex.c (lex_number): Update.
1235 2001-03-03 Richard Henderson <rth@redhat.com>
1237 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1239 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1241 * combine.c (try_combine): If split with mode-changed scratch
1242 register didn't work, try the original mode.
1244 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1246 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1247 * config/c4x/c4x.h: Likewise.
1248 * stor-layout.c (compute_record_mode): Likewise.
1249 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1251 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1253 * configure.in: Kill tm.h. Include the files in the $tm_file
1254 list in all three of config.h, hconfig.h, tconfig.h, after the
1255 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1256 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1257 * configure: Regenerate.
1258 * Makefile.in (clean): Don't delete tm.h.
1260 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1261 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1262 those are not defined, set SEC and FEC to 0 and 1.
1263 * gcc.texi: Update to match.
1265 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1266 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1267 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1268 Include tconfig.h, not tm.h.
1270 * config/xm-lynx.h, config/xm-std32.h,
1271 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1272 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1273 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1274 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1275 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1276 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1277 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1278 config/i386/xm-i386.h, config/i860/xm-i860.h,
1279 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1280 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1281 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1282 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1283 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1284 config/pa/xm-linux.h, config/pa/xm-pa.h,
1285 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1286 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1287 config/pj/xm-pj.h, config/romp/xm-romp.h,
1288 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1289 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1290 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1291 config/v850/xm-v850.h, config/vax/xm-vax.h,
1292 config/we32k/xm-we32k.h:
1294 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1296 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1297 config/i370/xm-oe.h: Don't include tm.h. Don't define
1299 * config/vax/xm-vms.h: Don't include tm.h.
1301 * config/xm-lynx.h, config/avr/xm-avr.h,
1302 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1303 Delete; made empty by above changes.
1304 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1305 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1306 Don't include config/xm-lynx.h or tm.h.
1308 * config/xm-gnu.h: Don't include fcntl.h.
1309 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1311 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1313 2001-03-02 Richard Henderson <rth@redhat.com>
1315 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1316 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1318 2001-03-02 Richard Henderson <rth@redhat.com>
1320 * Makefile.in (OBJS): Add dwarf2asm.o.
1321 * dwarf2asm.c, dwarf2asm.h: New files.
1322 * dwarf2out.c (*): Use them.
1323 (size_of_uleb128, size_of_sleb128): Remove.
1324 (output_uleb128, output_sleb128): Remove.
1325 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1326 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1327 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1328 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1329 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1330 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1331 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1332 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1333 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1334 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1335 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1336 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1337 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1338 (dwarf2out_frame_debug): Remove unused variables.
1339 (output_loc_operands): Don't abort on 8 byte constants if
1340 host integers are wide enough.
1341 (output_symbolic_ref): Remove.
1342 (size_of_die): Don't assume 4 byte host integers.
1343 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1345 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1346 something stupid with HOST_WIDE_INT to long truncation.
1347 [CONST_DOUBLE]: Likewise.
1349 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1350 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1351 * config/arm/unknown-elf.h: Likewise.
1352 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1353 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1354 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1355 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1356 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1357 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1358 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1359 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1360 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1361 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1362 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1363 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1365 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1367 * cselib.c (hash_rtx): Cast enums to unsigned int.
1369 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1371 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1372 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1374 * c-format.c (C_STD_VER): Cast to int for comparisons.
1375 (check_function_format): Cast various enums to int for &.
1376 (maybe_read_dollar_number): Likewise.
1377 (check_format_info): Likewise.
1378 (check_format_info_main): Likewise.
1379 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1380 (safe_from_p): Likewise.
1381 * varasm.c (const_hash): Cast enum to int for %.
1382 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1383 pcc enum problems with < and ++ operators.
1384 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1385 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1386 (regclass_init): Change enum class to int to iterate over reg_classes.
1387 * genrecog.c (merge_trees): Cast enums for comparison.
1388 * rtl.h (GET_CODE): Cast to enum rtx_code.
1389 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1390 (GET_MODE): Cast to enum machine_mode.
1391 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1392 (GET_NOTE_INSN_NAME): Cast enum to int.
1393 * tree.h (TREE_CODE): Cast to enum tree_code.
1394 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1395 * timevar.c (timevar_print): Change loop variable id from enum to
1397 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1398 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1399 * toplev.c (compile_file): Cast enum DFI to int.
1400 (decode_d_option): Likewise.
1402 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1404 * cppinit.c (append_include_chain): Mark "after" include file name list
1405 as a system directory.
1406 * cpp.texi: Document new behavior.
1408 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1410 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1412 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1414 * cppfiles.c (struct include_file): Update.
1415 (stack_include_file): Use search_from.
1416 (cpp_included, find_include_file): Update.
1417 (cpp_execute_include): Update. ptr->name may not be
1418 null terminated. Use the new search_from member variable
1420 (_cpp_compare_file_date): Similarly.
1421 (search_from): New function, similiar to actual_directory.
1422 (actual_directory): Delete.
1423 (remap_filename): Update. loc->name may not be null terminated.
1424 (struct file_name_list): Rename search_path. Update.
1425 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1426 search_from and dir.
1427 (struct cpp_reader): Remove actual_dirs.
1428 * cppinit.c (struct cpp_pending): Update for renamed objects.
1429 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1430 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1431 * cpplib.h (struct cpp_options): Similarly.
1433 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1435 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1436 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1437 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1438 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1439 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1440 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1441 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1442 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1443 config/i370/xm-oe.h, config/i386/xm-aix.h,
1444 config/i386/xm-i386.h, config/i386/xm-osf.h,
1445 config/i860/xm-i860.h, config/i960/xm-i960.h,
1446 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1447 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1448 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1449 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1450 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1451 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1452 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1453 config/pj/xm-pj.h, config/romp/xm-romp.h,
1454 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1455 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1456 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1457 config/v850/xm-v850.h, config/vax/xm-vax.h,
1458 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1459 Do not define TRUE or FALSE.
1461 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1462 empty by above change.
1463 * config.gcc: Remove references to these files.
1465 * configure.in: Detect stdbool.h.
1466 * configure, config.in: Regenerate.
1467 * system.h: Include stddef.h here if available.
1468 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1469 Then set up a sensible boolean type at the very end.
1471 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1472 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1474 * hash.h: Delete 'boolean' typedef and related #undefs.
1476 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1477 all uses of 'boolean' with 'bool'.
1479 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1481 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1482 * cppexp.c (lex): Cast enums for comparison.
1483 * cppinit.c (parse_option): Cast enum for comparison.
1484 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1485 (cpp_output_token): Likewise.
1486 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1487 (cpp_avoid_paste): Cast enums for minus and comparison.
1489 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1491 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1492 field to all array elements.
1494 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1496 * cpphash.h (struct cpp_reader): Add print_version field.
1497 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1498 just set print_version and other flags as appropriate.
1499 (cpp_post_options): Print version here if print_version is set.
1501 * toplev.c (exit_after_options): New flag.
1502 (independent_decode_option): Don't exit here; just set
1504 (main): Exit after calling lang_hooks.post_options if
1505 exit_after_options is true.
1507 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1508 (merge_include_chains): Adjust comment to match code.
1510 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1512 * stringpool.c (set_identifier): New function.
1513 * tree.h: Prototype it.
1515 * c-parse.in: Kill D_YES. If compiled for objc, call
1516 save_and_forget_protocol_qualifiers from init_reswords.
1517 * objc/objc-act.c (remember_protocol_qualifiers,
1518 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1519 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1521 (save_and_forget_protocol_qualifiers): New function.
1522 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1524 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1526 * c-semantics.c (prune_unused_decls): Return error_mark_node
1527 instead of (tree) 1 to stop traversing the tree chain.
1529 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1531 Fix a problem introduced by Kenner's Feb 18 change.
1532 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1533 flag_cse_skip_blocks only temporarily, not for ever.
1535 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1537 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1538 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1540 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1541 before determining its register class.
1543 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1545 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1546 from reg 4 if current_function_calls_setjmp.
1547 (gen_nop_type): New function.
1548 (ia64_emit_nops): New function.
1549 (ia64_reorg): Call it.
1550 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1552 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1553 code not to try to optimize adds with anything but a REG destination.
1555 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1556 (INSN_PRIORITY_KNOWN): New accessor macro.
1557 * haifa-sched.c (priority): Use it instead of testing priority against
1560 2001-02-28 DJ Delorie <dj@redhat.com>
1562 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1563 since that doesn't work the way gcc wants on a generic m68k.
1565 2001-02-28 Richard Henderson <rth@redhat.com>
1567 * caller-save.c (save_call_clobbered_regs): Fix typo in
1568 comparison last change.
1570 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1572 * i386.c (pentium4_cost): New.
1573 (m_PENT4): New macro.
1574 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1575 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1576 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1577 x86_memory_mismatch_stall): Add Pentium4
1578 (x86_use_q_reg, x86_use_any_reg): Kill.
1579 (override_options): Add pentium4.
1580 (incdec_operand): Return 0 for pentium4.
1581 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1582 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1583 (TARGET_PENTIUM4): Define.
1584 (enum processor_type): Add PROCESSOR_PENTIUM4.
1585 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1586 * i386.md (attribute "cpu"): Add pentium4.
1587 * invoke.texi (march): Add pentium4.
1589 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1591 * i386.md (sse_mov?fcc*): New patterns and splitters.
1592 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1593 the SSE based conditional moves.
1595 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1597 * i386.md (attribute mode): Add "TI".
1598 (movsf_1): Add pxor support; remove constant propagation splitter.
1599 (movdf_integer): Likewise.
1600 (movdf_nointeger): Likewise.
1601 (movxf constant prop splitter): Handle all modes; update for SSE.
1602 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1603 * i386.c (standard_80387_constant_p): Rewrite.
1604 (standard_sse_constant_p): New.
1605 * i386-protos.h (standard_sse_constant_p): New.
1607 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1609 * i386.md (sse_setccsf, sse_setccdf): New.
1610 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1612 * i386.c (sse_comparison_operator): Accept the supported unordered
1613 comparses; be ready for fast_math.
1614 (print_operand): Support 'D'.
1616 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1618 * jump.c (reversed_comparison_code): Kill.
1620 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1622 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1625 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1627 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1628 add missing '%' in constraints.
1630 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1632 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1633 for HOST_BITS_PER_WIDE_INT == 32 too.
1635 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1637 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1639 (insert_save, insert_restore): New parameter save_mode.
1640 (init_caller_save): Update initialization of reg_save_code
1641 and reg_restore_code.
1642 (save_call_clobbered_regs): Compute save_modes and update calls to
1643 reg_save_code and reg_restore_code.
1644 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1645 of spill; update use of reg_restore_code.
1646 (insert_save): Likewise.
1647 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1648 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1649 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1651 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1653 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1654 noce_try_store_flag_inc, noce_try_store_flag_mask,
1655 noce_try_cmove_arith):
1656 Use reversed_comparison_code instead of reverse_comparison and
1657 can_reverse_comparison_p.
1659 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1661 * jump.c (reversed_comparison_code_parts): Allow reversal of
1662 unordered compares in -ffast-math mode; reverse ordered compares
1663 for FP even w/o -ffast-math.
1665 2001-02-27 Richard Henderson <rth@redhat.com>
1667 * print-rtl.c (print_rtx) [i]: Don't print field five on
1668 NOTEs other than NOTE_INSN_DELETED_LABEL.
1670 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1672 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1673 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1675 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1677 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1678 even if walk_subtrees is 0.
1679 * c-semantics.c (prune_unused_decls): Return a non-null value to
1680 stop traversing the tree chain.
1682 2001-02-27 DJ Delorie <dj@redhat.com>
1684 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1685 register, *then* define it as the new CFA.
1687 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1689 * pa.c (override_options): Promote -fpic to -fPIC.
1690 (legitimize_pic_address): Simplify due to removal of
1691 small PIC as a code generation option.
1692 (secondary_reload_class): Similarly.
1693 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1694 (PRINT_OPERAND_ADDRESS): Similarly.
1695 * pa.md (various patterns): Similarly.
1696 (small pic lo_sum pattern): Remove.
1698 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1701 * md.texi (min, max): Document
1703 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1705 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1706 TARGET_PARTIAL_REG_DEPENDENCY.
1707 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1709 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1711 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1713 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1715 * mips.c (mips_make_temp_file): Fix thinko in last change.
1717 2001-02-26 Jason Eckhardt <jle@redhat.com>
1719 * combine.c (known_cond): Do not reverse the condition when
1720 SMAX/UMAX is being considered and the condition is for equality
1723 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1725 2001-02-26 Philip Blundell <philb@gnu.org>
1727 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1729 * config/arm/linux-elf.h: Remove historical relics related to
1730 above configurations.
1731 * config/arm/linux-oldld.h: Delete.
1732 * config/arm/linux-elf26.h: Delete.
1734 2001-02-26 Jason Merrill <jason@redhat.com>
1736 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1738 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1739 recognize a tentative definition. Lose obsolete code.
1741 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1742 variables unless necessary, either.
1744 2001-02-25 Richard Henderson <rth@redhat.com>
1746 * ifcvt.c (struct noce_if_info): Add test_bb.
1747 (noce_get_alt_condition): New.
1748 (noce_try_minmax, noce_try_abs): New.
1749 (noce_operand_ok): New.
1750 (noce_process_if_block): Use them.
1751 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1753 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1755 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1758 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1760 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1761 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1763 (mips_asm_file_end): Free temp_filename here.
1765 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1767 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1768 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1770 * config/i386/i386.md (movstrsi): Handle FAIL case.
1772 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1774 * cppinit.c (builtin_array): Update.
1775 (init_builtins): Flag builtins to warn if redefined or
1776 undefined. Define __GXX_WEAK as a normal macro.
1777 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1778 * cpplib.h (NODE_WARN): New flag.
1779 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1780 Handle __STDC__ as a builtin only on Solaris.
1781 (warn_of_redefinition): Renamed from check_macro_definition.
1782 Reverse sense of test. Always warn if NODE_WARN.
1783 (_cpp_create_definition): Use warn_of_redefinition. Flag
1784 any macro beginning with "__STDC_" to require a mandatory
1785 warning if redefined or undefined.
1787 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1789 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1790 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1791 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1792 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1793 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1794 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1795 Don't define any of:
1796 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1797 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1798 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1799 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1800 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1802 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1803 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1806 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1807 Delete now-empty file.
1809 * alpha/vms.h: Define NEED_ATEXIT here...
1810 * alpha/xm-vms.h: ...not here.
1812 * i386/cygwin.h: Don't define PARAMS.
1813 * mips/mips.c: Don't prototype mktemp. Don't define
1814 P_tmpdir. Use make_temp_file to create temporary files.
1815 Don't be clever and delete temporary files early.
1816 * config.gcc: Drop references to deleted files. Don't define
1818 * gcc.texi: Don't mention USE_PROTOTYPES.
1820 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1822 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1823 (ix86_set_move_mem_attrs_1): Likewise.
1824 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1825 * config/i386/i386.md (movstrsi): Call it.
1827 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1829 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1830 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1831 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1832 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1834 (i750a-*-*): Error here if hosting on i750a.
1835 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1837 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1838 Remove (empty modulo comments).
1840 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1841 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1842 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1843 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1844 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1845 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1847 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1848 Remove reference to winnt.h in comment.
1849 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1851 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1853 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1854 used to set another biv.
1856 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1858 * tree.h (BLOCK_DEAD): New macro.
1859 (struct tree_block): New flag, dead_flag.
1860 * print-tree.c (print_node, case 'b'): Print missing fields.
1861 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1862 * function.c (identify_blocks): Enable test for misplaced notes.
1863 (all_blocks): Skip BLOCK_DEAD blocks.
1864 * integrate.c (integrate_decl_tree): Likewise.
1866 * errors.c (internal_error, trim_filename): New functions.
1867 (fancy_abort): Call internal_error.
1868 * errors.h (internal_error, trim_filename): New declarations.
1870 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1872 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1874 (EXTRA_CONSTRAINT): Formatting changes.
1876 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1878 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1880 2001-02-23 Per Bothner <per@bothner.com>
1882 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1883 so they can be called from java/jvspec.c.
1884 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1886 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1888 * i386.c (ix86_frame): New structure.
1889 (ix86_compute_frame_size): Kill.
1890 (ix86_compute_frame_layout): New.
1891 (ix86_save_reg): New.
1892 (ix86_can_use_return_insn_p): Use frame layout stuff.
1893 (ix86_expand_prologue): Likewise.
1894 (ix86_expand_epilogue): Likewise.
1895 (ix86_initial_elimination_offset): Likewise.
1896 (ix86_nsaved_regs): Use ix86_save_reg.
1897 (ix86_emit_save_regs): Likewise.
1899 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1901 * flow.c (find_sub_basic_blocks): New function.
1902 (split_block): Be ready for basic block introduced by CODE_LABEL.
1903 (commit_one_edge_insertion): Call find_sub_basic_block.
1905 * flow.c (make_edges): Add edge from entry for blocks starting with
1906 label having ALTERNATE_NAME
1908 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1910 * function.c (epilogue_done): Be ready for first basic block not
1911 containing PROLOGUE_END note.
1912 (reposition_prologue_and_epilogue_notes): Avoid placing
1913 PROLOGUE_END note between BASIC_BLOCK.
1915 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1917 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1919 2001-02-21 DJ Delorie <dj@redhat.com>
1921 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1922 check for current_function_has_nonlocal_goto from 1999-11-12.
1924 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1926 * diagnostic.c (trim_filename): No longer static.
1927 * toplev.h (trim_filename): Declare.
1928 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1929 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1930 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1931 (rtvec_check_failed_bounds): Likewise.
1932 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1934 * convert.c (convert_to_integer): Don't do unsigned unless result or
1935 both inputs are unsigned.
1937 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1940 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1942 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1944 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1946 * Makefile.in (resource.o): Add params.h dependence.
1947 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1948 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1949 * resource.c: Add dependence on params.h.
1950 (current_live_regs): Fix explanatory comment.
1951 (find_basic_block): Add new parameter to permit limiting search
1953 (mark_target_live_regs): Add new argument to find_basic_block call.
1954 (incr_ticks_for_insn): Likewise.
1956 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1958 * diagnostic.c (output_to_stream): Rename to
1959 output_buffer_to_stream. Loses the stream parameter.
1960 (init_output_buffer): Set diagnosic_buffer's stream.
1961 (flush_diagnostic_buffer): Adjust.
1962 (default_print_error_function): Likewise.
1963 (finish_diagnostic): Likewise.
1964 (verbatim): Likewise.
1966 * diagnostic.h (struct output_buffer): Add `stream' field.
1967 (output_buffer_attached_stream): New macro.
1969 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1971 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1972 check if either operand is divisible by C.
1973 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1974 If type is signed, consider negative numbers as well.
1976 2001-02-22 Richard Henderson <rth@redhat.com>
1978 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1979 reach .text instead of gp-relative relocs.
1980 * config/ia64/crtend.asm (.init): Likewise.
1982 2001-02-22 Andreas Jaeger <aj@suse.de>
1984 * extend.texi (C++ Attributes): Fix typo.
1986 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1988 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1989 functions, drop current_function_args_info.words test.
1990 (ia64_compute_frame_size): Mark syscall_linkage functions as
1991 using eight input registers.
1993 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1994 Bruce Korb <bkorb@gnu.org>
1996 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1997 * fixinc/README: Document how to convert sed substitutions
1998 to format style c_fix-es.
1999 * fixinc/fixincl.x: regen
2001 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
2003 * gcc.c: Add comment explaining how to add a command-line option.
2004 Add title to specs language comment.
2006 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2008 * gcc.c (cc1_options): Add "-param".
2009 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
2010 (option_map): Likewise.
2011 * toplev.c (display_help): Add entry for "--param".
2012 (independent_decode_option): Fix typographical error.
2014 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2015 Bernd Schmidt <bernds@redhat.com>
2016 Jan Hubicka <jh@suse.cz>
2018 * i386.c (function_arg_advance): Pass SSE arguments in registers.
2019 (function_arg): Likewise.
2021 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
2023 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2025 2001-02-21 Kazu Hirata <kazu@hxi.com>
2027 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2031 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
2033 * flow.c (init_propagate_block_info): Canon address and use single_set
2034 for killing dead memory stores.
2036 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2038 * Makefile.in (reorg.o): Add params.h dependence.
2039 * params.def: Fix typographical error in comment.
2040 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2041 * params.h: Modify introductory comment.
2042 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2043 * reorg.c: Add dependence on params.h.
2044 (redundant_insn): Add parameterized throttle for search.
2045 (fill_simple_delay_slots): Add a comment explaining a variable.
2046 Move conditional out of loop, simplifying code.
2047 (fill_eager_delay_slots): Fix typographical error in comment.
2049 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
2051 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
2053 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
2054 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
2056 2001-02-21 Jason Merrill <jason@redhat.com>
2058 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
2059 (struct tree_decl): Add uninlinable bitfield.
2060 * c-decl.c (duplicate_decls): Set it.
2061 * integrate.c (function_cannot_inline_p): Check it.
2063 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
2064 DW_AT_MIPS_linkage_name to abstract methods.
2065 (dwarf2out_abstract_function): Emit class context before calling
2066 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
2067 (gen_subprogram_die): Remove obsolete code.
2068 (gen_member_die): Don't include clones in the member list.
2069 (gen_decl_die): Emit abstract info for clone origin.
2070 * dwarfout.c (output_type): Don't include clones in the member list.
2071 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
2072 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
2073 DECL_ABSTRACT on a function that already has it set.
2075 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
2076 (get_subprogram_die): Pass it in.
2078 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
2080 * flow.c (mark_set_1): Make not_dead unsigned long. For
2081 non-pseudos, use it as a bitmask of the hard regs that
2084 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
2086 * cppfiles.c: Update comments.
2087 (_cpp_read_file): Don't check for NULL filenames any more.
2088 * cppinit.c (cpp_start_read): Don't do canonicalization of
2089 in_fname and out_fname. Use the passed file name exclusively.
2090 (_cpp_handle_options): Don't treat "-" as a command line option,
2091 but as a normal filename.
2092 (_cpp_post_options): Canonicalize in_fname and out_fname.
2093 * cppmain.c (printer_init): Don't check out_fname for NULL.
2094 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2095 (init_c_lex): Update, and use "" to represent stdin to CPP.
2098 2001-02-20 Will Cohen <wcohen@redhat.com>
2100 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2101 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2102 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2105 2001-02-20 Stan Shebs <shebs@apple.com>
2107 * config/rs6000/rs6000.c (output_cbranch): Output branches
2108 on separate lines instead of using ';' to separate.
2110 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
2112 * cppinit.c (set_lang): Move builtin handling to...
2113 (init_builtins): ...here.
2114 (_cpp_create_reader): Move call to set_lang.
2116 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2118 * stmt.c (expand_return): If an attempt is made to return the
2119 error_mar_node, treat the return like a return without a value.
2121 2001-02-19 Zack Weinberg <zackw@stanford.edu>
2123 * sibcall.c (skip_copy_to_return_value): Call
2124 identify_call_return_value here, and return orig_insn if it
2125 returns zero. Hardret and softret arguments now unnecessary.
2126 (call_ends_block_p): Don't call identify_call_return_value here.
2128 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2130 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2131 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2133 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
2135 * pa.c (move_operand): Accept code to load the address of a
2136 symbol out of the DLT as a valid move operand.
2137 (print_operand, case 'A'): New to handle generating a DLT
2138 reference for a LO_SUM expression.
2139 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2140 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2142 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2144 * README, cpp.texi, gcc.texi, version.c: Update version number to
2146 * cpp.1, gcov.1, gcc.1: Regenerate.
2148 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2150 * cppfiles.c (stack_include_file): Generate dependencies
2151 here, and manage include_count here too.
2152 (PRINT_THIS_DEP): Delete.
2153 (_cpp_execute_include): Do not generate dependencies here,
2154 apart from the case of a missing header. Do not manage
2156 (_cpp_read_file): Leave dependency generation to
2159 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2161 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2162 target_cpu_default. Remove dead assignment to
2165 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2167 * regclass.c (contains_reg_of_mode): Make global.
2168 (init_reg_sets): Remove contains_reg_of_mode; take into account
2169 CLASS_MAX_NREGS when looking for the proper mode.
2170 (dump_regclass): Dump only classes considered for the pseudo.
2171 (regclass): Use contains_reg_of_mode.
2173 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2175 * gcc.c (do_spec_1): 'n' for printing notices.
2176 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2178 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2180 * reg-stack.c (next_flags_user): Use current_block->end
2181 (swap_rtx_condition): Look for next user if flags don't die;
2182 give up on CALL_INSNs; use current_block->end.
2184 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2186 * sibcall.c (call_ends_block_p): New function.
2187 (optimize_sibling_and_tail_recursive_call): Use it.
2189 2001-02-18 Kazu Hirata <kazu@hxi.com>
2191 * config/h8300/h8300.md: Update copyright.
2192 (andsi3): Do not output an extra newline character.
2194 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2196 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2197 FNDECL may be unused.
2199 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2200 follow jumps after first run.
2201 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2202 it doesn't change any jumps.
2204 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2206 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2207 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2208 (mostlyclean): Corresponding changes.
2209 * rtlanal.c (hard-reg-set.h): Include.
2210 (rtx_unstable_p): Do not treat the argument pointer specially
2211 if it is not a fixed register.
2212 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2214 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2216 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2217 against last real insn in basic block.
2218 Rework to avoid gotos.
2220 * Makefile.in (gcse.o): Now includes ggc.h.
2221 * gcse.c: Include ggc.h.
2222 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2223 (try_replace_reg): Remove warning of uninitialize variable.
2224 (process_insert_insn): Call invalid_insn_p to validate insn.
2225 * recog.c (insn_invalid_p): Now global.
2226 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2227 * recog.h (insn_invalid_p): New declaration.
2229 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2231 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2232 assignments from FP constants since 'Y' output code can't handle it.
2233 (eligible_for_sibcall_delay): Likewise.
2235 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2236 Call fancy_abort directly, passing args.
2237 (print_rtl_and_abort): Now a macro, like fancy_abort.
2239 * final.c (output_operand_lossage): Use internal_error, not error.
2241 2001-02-18 Shane Nay <shane@agendacomputing.com>
2243 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2244 structure shift insns.
2246 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2248 * invoke.texi (-fsquangle): Remove documentation.
2249 (-fname-mangling-version): Likewise.
2251 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2253 * optabs.c (expand_abs): Remove reference to
2254 HAVE_contitional_arithmetic.
2255 * combine.c (simplify_set): Likewise.
2257 2001-02-18 Richard Henderson <rth@redhat.com>
2259 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2262 2001-02-18 Richard Henderson <rth@redhat.com>
2264 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2266 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2268 * reload1.c (reload_cse_simplify_set): Fix typo.
2270 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2272 * diagnostic.c (_fatal_insn): Decrement errorcount.
2274 * invoke.texi (-I): Add note avoiding use for system header files.
2276 * rtl.h (add_clobbers): Remove duplicate declaration.
2277 * recog.h (added_clobbers_hard_reg_p): New declaration.
2278 * genemit.c (struct clobber_pat): New field has_hard_reg.
2279 (gen_insn): Record if added clobbers clobber hard reg.
2280 (gen_split): Avoid unused warning if number of operands is 0.
2281 (output_added_clobbers_hard_reg_p): New function.
2284 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2286 * pa.c (hppa_expand_prologue): Simplify code storing return
2287 pointer. For large (>=8k) frames with a post_store, adjust stack
2288 pointer by 8k-64 first rather than by 64. When testing with
2289 VAL_14_BITS_P, always use the actual value rather than the value
2290 negated. Add blockage to prevent scheduling of spills before
2291 stack frame has been created.
2292 (hppa_expand_epilogue): Simplify code loading return pointer.
2293 Allow a slightly larger range for merge_sp_adjust_with_load case.
2294 When testing with VAL_14_BITS_P, always use the actual value.
2296 * pa.c (pa_adjust_insn_length): Check that block move
2297 pattern is a set before looking at operands.
2299 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2301 * fold-const.c (fold_binary_op_with_conditional_arg): New
2302 function, split out from ...
2304 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2305 conditional arms that throw exceptions.
2307 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2310 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2312 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2313 define HAVE_DECL_* to 1 to mask potential backup declarations.
2314 * configure: Regenerated.
2316 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2318 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2320 2001-02-17 Richard Henderson <rth@redhat.com>
2322 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2323 when replacing a memory load with a register.
2325 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2326 Jan Hubicka <jh@suse.cz>
2328 * recog.c (validate_replace_src_1): New.
2329 (validate_replace_src_data): Likewise.
2330 (validate_replace_src): Use note_uses.
2331 * rtl.h (note_uses): Declare.
2332 * rtlanal.c (note_uses): New.
2334 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2336 * reg-stack.c (stack_def): Make field reg unsigned.
2337 (remove_regno_note): Unsignetize parameter.
2339 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2341 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2342 shladd_operand() call.
2344 2001-02-16 Bruce Korb <bkorb@gnu.org>
2345 Rodney Brown <RodneyBrown@mynd.com>
2347 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2348 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2349 machine restrictions
2350 * fixinc/fixincl.x: regen
2352 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2354 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2356 (hash_scan_insn): Clean up calls to hash_scan_set.
2357 (compute_kill_rd): REGNO now unsigned.
2358 (try_replace_reg): Rework to use simplify_replace_rtx.
2359 (cprop_jump, cprop_cc0_jump): Likewise.
2360 (cprop_insn): Call find_reg_equal_equiv_note.
2361 Reflect changes to cprop_jump and cprop_cc0_jump.
2363 * recog.c (validate_replace_src): Replace in operands of
2364 ZERO_EXTRACT in SET_DEST.
2366 * cse.c (new_label_ref): New variable.
2367 (insert): Set it instead of recorded_label_ref.
2368 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2369 CODE_LABEL for this function, and not already in REG_LABEL note.
2371 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2373 * resource.c (mark_referenced_resources): Fix typo in introductory
2375 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2378 2001-02-16 Jason Merrill <jason@redhat.com>
2380 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2382 (gen_subprogram_die): Don't abort on seeing a second definition if
2383 the previous one was abstract. Don't replace an abstract instance
2384 in the lookup table.
2386 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2387 gen_abstract_function.
2388 * dwarf2out.h: Declare it.
2389 * toplev.c (note_outlining_of_inline_function): New fn.
2390 * toplev.h: Declare it.
2391 * integrate.c (output_inline_function): Call it.
2392 * c-decl.c (duplicate_decls): Call it when redefining an extern
2393 inline. Don't inline the new defn.
2395 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2397 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2399 * .gdbinit: Rename to gdbinit.in.
2400 * gdbinit.in: New file,
2401 * configure.in: Generate .gdbinit from gdbinit.in.
2402 * configure: Regenerated.
2403 * Makefile.in (distclean): Always remove .gdbinit.
2405 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2407 * objc/objc-act.c (start_class): Register implemented_classes with
2410 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2412 * cppfiles.c (_cpp_make_system_header): Generate a file
2415 2001-02-15 Jim Meyering <meyering@lucent.com>
2417 * Makefile.in (install-common): Don't depend on installdirs here.
2418 Instead, make each of the lang.install-common targets (e.g.,
2419 c++.install-common in cp/Make-lang.in) depend on it.
2420 (install-driver): Depend on installdirs.
2422 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2424 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2426 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2429 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2431 * invoke.texi (--param): Document.
2433 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2435 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2437 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2439 * i386.md (extendsfdf2_2): Fix constraints.
2441 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2443 * i386.md (fop_df_3 splitter): Fix operand number.
2445 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2447 * invoke.texi (-mreg-alloc): Nuke.
2448 * i386.c (ix86_reg_alloc_order, regs_allocated,
2449 order_regs_for_local_alloc): Nuke.
2450 (override_options): Kill reg_alloc code.
2451 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2452 (REG_ALLOC_ORDER): SSE goes before I387.
2453 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2454 (ix86_reg_alloc_order): Likewise.
2455 * i386-protos.h (ix86_reg_alloc_order): Kill.
2457 2001-02-14 Richard Henderson <rth@redhat.com>
2459 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2461 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2463 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2465 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2467 * i386-protos.h (ix86_memory_move_cost): Move offline.
2468 * i386.c (ix86_register_move_cost): Compute properly cost of
2469 SSE, MMX and i387 instructions.
2470 (*_cost): Add costs of SSE/MMX moves.
2471 (ix86_memory_move_cost): Move offline from ....; Likewise.
2472 * i386.h (MEMORY_MOVE_COST): .... here;
2473 (struct processor costs): Add new fields to represent costs
2476 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2478 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2479 move_cost together with Matt Kraai's fix.
2481 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2483 * Makefile.in (OBJS): Add params.o.
2485 2001-02-14 Richard Henderson <rth@redhat.com>
2486 DJ Delorie <dj@redhat.com>
2488 * jump.c (jump_optimize_1): When we delete a conditional jump
2489 preceeding a non-conditional jump to effectively the same place,
2490 make sure that the combined jump skips any clobber insns between
2493 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2495 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2497 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2499 * Makefile.in (toplev.o): Depend on params.h.
2500 (intergate.o): Likewise.
2501 (params.o): New target.
2502 * flags.h (inline_max_insns): Remove.
2503 * integrate.c: Include params.h.
2504 Use MAX_INLINE_INSNS instead of inline_max_insns.
2505 * params.c: New file.
2506 * params.h: Likewise.
2507 * params.def: Likewise.
2508 * toplev.c: Include params.h.
2509 (lang_independent_params): New variable.
2510 (decode_f_option): Use the param machinery instead of setting
2512 (independent_decode_option): Handle "--param name=value".
2513 (main): Register language-independent parameters.
2515 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2517 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2519 2001-02-14 Richard Henderson <rth@redhat.com>
2521 * regclass.c (init_reg_sets_1): Revert last two changes.
2523 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2525 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2526 (variable_size): Call put_pending_size.
2527 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2528 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2529 sizes list, put newly created SAVE_EXPR there as well.
2531 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2533 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2534 (errata_find_address_regs): load_group has only 2 entries.
2535 (errata_emit_nops): Likewise. shladd is not problematic.
2536 Clear last_group if nop was emitted.
2537 (fixup_errata): load_group has only 2 entries.
2540 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2542 * c-lex.c (lex_number): Only warn traditionally for U suffix
2543 outside system macros.
2544 * cppexp.c (parse_number): Similarly.
2545 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2546 * cppmacro.c (struct cpp_macro): New member node.
2547 (parse_args): Only warn about missing rest args if not
2549 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2550 (cpp_sys_objmacro_p): New.
2551 (_cpp_create_definition): Store the node with the macro defn.
2552 Remember if the macro is defined in a system header.
2554 2001-02-13 DJ Delorie <dj@redhat.com>
2556 * configure.in (check_languages): determine languages to check
2557 * Makefile.in (check-c++): alias for check-g++
2558 (check-f77): alias for check-g77
2559 (CHECK_TARGETS): depend on configured languages
2561 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2563 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2564 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2565 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2566 (sqrtextendsfdf2): Disable for SSE2.
2568 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2570 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2571 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2572 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2573 (sqrtextendsfdf2): Disable for SSE2.
2575 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2577 * i386.md (movsfcc_1): Support integer cmove instruction.
2578 (movdfcc_1): Likewise; new splitter.
2580 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2582 * i386.c (output_fp_compare): Support SSE.
2583 (prepare_fp_compare_args): SSE comparisons always support memory.
2584 * i386.h (TARGET_CMOVE): SSE imply cmove.
2585 * i386.md (cmp?f2): Enable for SSE too.
2586 (cmpfp_i*): Support SSE.
2588 (cmpfp_i_sse_only): New.
2589 (s*, b* fp expanters): Enable for SSE too.
2590 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2593 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2595 * regclass.c (init_reg_sets_1): Silence warning.
2597 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2599 * i386.md (sqrt?f2): Change to expander.
2600 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2602 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2604 * rtlanal.c (find_reg_equal_equiv_note): New function.
2605 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2606 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2607 * rtl.h: Add declarations for above functions.
2609 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2611 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2613 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2614 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2615 * flow.c (mark_regs_live_at_end): Likewise.
2616 (calculate_global_regs_live): Likewise.
2617 * gcse.c (compute_hash_table): Likewise.
2618 (compute_kill_rd): Likewise.
2619 * resource.c (mark_target_live_regs): Likewise.
2620 * rtl.h (INVALID_REGNUM): New macro.
2622 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2624 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2626 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2628 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2631 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2633 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2635 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2636 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2637 (fop_sf_1_sse, fop_df_1_sse): New patterns
2638 (fop_*): Disable float_extend and float patterns for SSE compilation.
2639 * i386.c (output_387_binary_op): Support SSE.
2641 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2643 * i386.md (dummy_extendsfdf2): Support SSE2
2644 (extendsfdf2): Enable if 80387 or SSE2.
2645 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2646 and no MIX_I387_SSE2
2647 (extendsfdf2_1_sse_only): New pattern.
2648 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2650 (truncdfsf2_1): Support SSE.
2651 (truncdfsf2_2): Support SSE.
2652 (truncdfsf2_2_1_sse): New pattern.
2653 (fixtruncsfsi2): Always use SSE if available.
2654 (fix_truncsfsi_sse): New pattern.
2655 (fix_truncdfsi_sse): New pattern.
2656 (floatsis?f2): Support SSE.
2657 (floatsidf2_i387): New pattern.
2658 (floatsidf2_sse): Likewise.
2660 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2662 * configure.in: Use "have_gnat" variable, not "gnat".
2663 * configure: Regenerated.
2665 * config/sparc/sparc.c (function_value): Treat all non-record
2666 aggregate types like used to treat UNION_TYPE.
2668 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2670 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2671 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2673 (MASK_MIX_SSE_I387): New.
2674 (TARGET_SSE): SSE2 imply SSE.
2675 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2676 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2677 (enum reg_class): Add new classes.
2678 (REG_CLASS_NAMES): Likewise.
2679 (REG_CLASS_CONTENTS): Likewise.
2680 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2681 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2682 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2683 (CLASS_MAX_NREGS): Use new macros.
2684 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2685 * i386.md (pushsf, movsf): Support SSE.
2686 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2687 splitters to use ANY_FP_REGNO_P.
2688 (movdf_nointeger, movdf_integer): Likewise.
2690 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2692 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2693 (try_combine): Use it.
2695 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2697 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2698 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2699 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2700 (REGISTER_MOVE_COST): Likewise.
2701 * i386-protos.h (ix86_secondary_memory_needed,
2702 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2703 * i386.c (ix86_secondary_memory_needed,
2704 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2706 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2708 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2709 (HARD_REGNO_MODE_OK): Move offline to ....
2710 * i386.c (ix86_hard_regno_mode_ok) ... here;
2711 refuse all incorrect modes.
2712 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2714 2001-02-13 Richard Henderson <rth@redhat.com>
2716 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2717 entire operator; replicate that and match_dup the operands.
2718 (cmp_ccx_arith_op_set): Likewise.
2719 (cmp_cc_arith_op_not_set): Likewise.
2720 (cmp_ccx_arith_op_not_set): Likewise.
2722 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2724 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2726 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2728 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2729 (TARGET_NO_BITFIELD_WORD): New macro.
2730 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2731 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2733 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2735 * cselib.c: New file, from simplify-rtx.c.
2736 * simplify-rtx.c: Remove cselib parts.
2737 * Makefile.in: Add cselib.o.
2739 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2741 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2742 (setup_incoming_varargs): Remove warning.
2744 * config/rs6000/rs6000.c (validate_condition_mode): When
2745 flag_fast_math, allow floating-point conditionals to be reversed.
2746 (rs6000_generate_compare): When flag_fast_math, don't generate
2747 cror operations for FP conditionals.
2749 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2751 (ASM_SPEC): Likewise.
2752 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2753 (CC1_SPEC): Likewise.
2754 (LINK_TARGET_SPEC): Likewise.
2755 (CPP_ENDIAN_SPEC): Likewise.
2756 * Makefile.in (check-consistency): New target.
2758 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2760 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2761 "return type defaults" warning for functions with return type
2763 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2764 function declarations by default rather than only when pedantic.
2766 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2768 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2771 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2773 * extend.texi (Deprecated): Deprecate new initializer lists.
2775 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2777 * mkdeps.c (deps_add_default_target): Robustify. Add
2778 basename component only.
2779 * cpp.texi (-M): Describe how default target is generated.
2780 * invoke.texi (-M): Likewise.
2782 2001-02-12 Kazu Hirata <kazu@hxi.com>
2784 * toplev.c (push_float_handler): Remove.
2785 (pop_float_handler): Remove.
2786 * toplev.h: Remove prototypes for the above functions.
2788 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2790 * c-common.c (constant_fits_type_p): New function.
2791 (convert_and_check): Use it.
2793 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2795 * Makefile.in (GXX_ABI_FLAG): Don't define.
2796 * configure.in (--enable-new-gxx-abi): Remove option.
2797 * config.in: Regenerated.
2798 * configure: Likewise.
2800 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2802 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2804 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2805 regular basic block, and arrange for all edges into it to switch
2808 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2810 * Makefile.in (distclean): Do not remove .gdbinit.
2812 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2814 * Makefile.in (gcc.o): Fix typos.
2815 (protize.o): Likewise.
2816 (unprotoize.o): Likewise.
2818 2001-02-11 Richard Henderson <rth@redhat.com>
2820 * tree.c (build1): Check for null operand in last change.
2822 2001-02-11 Richard Henderson <rth@redhat.com>
2824 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2825 (fold): Don't assume a constant isn't foldable.
2826 * tree.c (build): Set TREE_CONSTANT for an expression with no
2827 side-effects and constant operands.
2830 2001-02-10 Richard Henderson <rth@redhat.com>
2832 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2834 2001-02-10 Anthony Green <green@redhat.com>
2836 * cpp.texi (Standard Predefined): Add documentation for
2839 * c-common.c (combine_strings): Improve warning message.
2841 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2843 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2845 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2847 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2849 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2852 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2854 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2857 2001-02-09 Nick Clifton <nickc@redhat.com>
2859 * config/arm/arm.md: Change output contraint on post inc
2860 load/store multiple patterns to be a read/write contraint.
2862 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2864 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2865 .o files when using the -M options.
2867 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2868 David Edelsohn <edelsohn@gnu.org>
2870 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2871 handle DImode constants. Use one TOC entry for SImode and smaller
2872 constants, aligned properly.
2874 2001-02-08 Jason Merrill <jason@redhat.com>
2876 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2877 about the SP adjustment for saving the static chain pointer.
2878 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2879 offset when setting a temporary CFA register.
2881 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2883 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2884 powerpc-*-chorusos* .
2885 * config/rs6000/chorus.h : New file.
2886 * config/i386/chorus.h : New file.
2887 * config/sparc/chorus.h : New file.
2888 * config/sparc/t-chorus-elf : New file.
2890 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2892 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2893 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2894 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2895 (__WCHAR_TYPE__): Correct macro name.
2897 2001-02-08 Richard Henderson <rth@redhat.com>
2899 * config/i386/i386.c (ix86_frame_pointer_required): New.
2900 (ix86_setup_frame_addresses): New.
2901 (struct machine_funciton): Add accesses_prev_frame.
2902 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2903 ix86_frame_pointer_required.
2904 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2905 (SETUP_FRAME_ADDRESSES): New.
2906 * config/i386/i386-protos.h: Update.
2907 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2908 from FRAME_POINTER_REQUIRED.
2909 * config/i386/svr3gas.h: Likewise.
2910 * config/i386/sysv3.h: Likewise.
2911 * config/i386/v3gas.h: Likewise.
2913 2001-02-08 Richard Henderson <rth@redhat.com>
2915 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2916 calculation of the number of integer registers required.
2917 (function_arg_record_value): Likewise.
2919 2001-02-08 Jason Merrill <jason@redhat.com>
2921 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2922 two. Print file and line with "confused" message.
2924 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2926 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2928 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2930 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2932 * final.c (cleanup_subreg_operands): The address of a MEM can
2935 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2938 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2940 * gcc.texi (Incompatibilities): Update documentation of
2941 preprocessing numbers.
2943 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2945 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2947 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2949 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2951 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2952 * gcc.c (struct compiler): Add cpp_spec field.
2953 (input_file_compiler): New variable.
2954 (do_spec_1): Allow a particular compiler to handle `%C'
2956 (main): Store the current compiler in input_file_compiler.
2957 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2959 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2961 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2962 * cppinit.c (cpp_create_reader): Initialize them.
2963 (append_include_chain): cxx_aware arg might be unused.
2964 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2965 keywords and give them their phase 7 meaning. Pedwarn about
2966 this unless '__bool_true_false_are_defined' is defined.
2968 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2970 * lcm.c (optimize_mode_switching): Emit mode_set before the
2971 JUMP_INSN of an abnormal edge.
2973 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2975 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2976 a scheduling barrier at the end.
2978 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2980 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2982 * config/sh/sh.md (reload_outsf): Removed.
2983 (movsf_ie): Introduce constraints for FPUL loads and stores.
2984 (reload_insf): Broaden the output constraint.
2986 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2988 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2989 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2991 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2993 * final.c: Revert my previous changes.
2994 * output.h: Make profile_label_no extern.
2995 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2996 for generating label.
2998 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3000 * config/i386/djgpp.h: Add comments about standard paths.
3001 (MD_EXEC_PREFIX): Undefine before defining.
3002 (MD_STARTFILE_PREFIX): New.
3004 2001-01-30 Bruce Korb <bkorb@gnu.org>
3006 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3007 (load_file): do not rely on load_file_data() to close file pointer
3008 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3009 fixinc/inclhack.def(irix_limits_const): add test_text
3011 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3013 * cppexp.c (parse_defined): Improve diagnostics for invalid
3016 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3018 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3020 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3022 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3023 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3024 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3025 (rs6000_output_symbol_ref): New function.
3026 (output_toc): Use VTABLE_NAME_P.
3028 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3030 * print-tree.c (print_node, case PARM_DECL):
3031 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3033 * stor-layout.c (reference_types_internal): New variable.
3034 (internal_reference_types): New function.
3035 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3036 * tree.h (internal_reference_types): New declaration.
3038 * cse.c (find_best_addr): Fix typo in computing cost.
3040 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3042 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3043 and this is the sum of a pointer and a constant, we know the result
3045 (num_sign_bit_copies, case PLUS): Likewise.
3046 * explow.c (convert_memory_address): Remove opposite SUBREG.
3047 * function.c (instantiate_new_reg): New function (from common code).
3048 (instantiate_virtual_regs_1): Call it.
3049 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3050 if pointers sign- or zero-extend.
3051 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3052 If pointers extend unsigned, use inside of SUBREG.
3053 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3055 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3057 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3058 subdir of gcc_gxx_include_dir.
3059 (gcc_gxx_target_include_dir): Remove.
3061 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3063 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3064 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3065 a high-level description.
3067 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3069 * final.c: Move the declaration of profile_label_no to ...
3070 * output.h: ... here.
3071 * function.c (expand_function_start): Call PROFILE_HOOK.
3072 * config/rs6000/aix.h: Define PROFILE_HOOK.
3073 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3074 * config/rs6000/rs6000.c (output_profile_hook): Define.
3075 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3076 output_profile_hook.
3077 tm.texi : Explain new macro PROFILE_HOOK.
3079 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3081 * extend.texi (Extended Asm): Do not say that semicolon is always
3082 a valid line-breaking character for GNU assemblers. Use
3083 newline-tab as the most commonly supported syntax. Use
3084 newline-tab rather than semicolon in multi-insn examples.
3086 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3088 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3090 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3091 David Edelsohn <edelsohn@gnu.org>
3093 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3094 code for AIX, even without flag_pic.
3096 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3098 * c-typeck.c (common_type): push and pop binding level around
3099 calling common_type on function parameters.
3101 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3103 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3105 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3107 * config/mips/mips.c (override_options): Fix typo in last change.
3108 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3109 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3111 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3113 * invoke.texi (-fdump-class-layout): Document.
3114 (-fdump-translation-unit): Use `=' as filename separator.
3116 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3118 * Makefile.in (s-mlib): Don't build multilibs if
3120 (DRIVER_DEFINES): Adjust accordingly.
3122 (protoize.o): Likewise.
3123 (unprotoize.o): Likewise.
3124 * configure.in: Recognize --enable-multilib.
3126 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3128 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3130 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3131 * configure.in: Remove --enable-libstdcxx_v3 support.
3132 * configure: Regenerated.
3134 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3136 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3137 Call abort instead of fatal.
3138 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3139 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3140 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3141 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3142 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3143 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3145 * diagnostic.h (set_internal_error_function): Renamed.
3146 * toplev.h (internal_error): Renamed from fatal.
3147 (pfatal_with_name): Deleted.
3148 (fatal_io_error): Now has printf-style arguments.
3149 * diagnostic.c (pfatal_with_name): Deleted.
3150 (fatal_io_error): Rework to have args in printf-style.
3151 (set_internal_error_function): Renamed from set_fatal_function.
3152 (internal_error): Renamed from fatal.
3153 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3154 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3155 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3156 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3157 * flow.c (verify_flow_info): Likewise.
3158 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3159 * config/mips/mips.c (save_restore_insns): Likewise.
3161 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3162 * flow.c (verify_flow_info): Likewise.
3163 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3164 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3165 (avr_normalize_condition): Likewise.
3166 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3167 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3168 (limit_reload_class, double_reg_to_memory): Likewise.
3169 (print_operand_address, emit_1600_code_shift): Likewise.
3170 (gen_tst_reg, gen_compare_reg): Likewise.
3171 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3172 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3174 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3176 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3177 * objc/objc-act.c (build_ivar_chain): Likewise.
3178 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3180 * graph.c (clean_graph_dump_file): Likewise.
3181 * profile.c (init_branch_prob): Likewise.
3182 * objc/objc-act.c (objc_init): Likewise.
3184 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3185 * config/avr/avr.c (avr_override_options): Likewise.
3186 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3187 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3188 * config/h8300/h8300.c (h8300_init_once): Likewise.
3189 * config/mips/mips.c (override_options): Likewise.
3190 * config/i386/i386.c (override_options): Likewise, rework.
3191 * config/m68k/m68k.c (override_options): Likewise.
3193 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3195 * config/mips/mips.c (print_operand): Likewise.
3196 * hash.c (hash_allocate): Don't check for failure returns from
3197 obstack functions that can't fail.
3198 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3199 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3200 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3201 (get_object_reference): Likewise.
3203 2001-02-04 Nick Clifton <nickc@redhat.com>
3205 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3206 StrongARM1110, 10TDMI, and 1020T.
3208 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3210 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3212 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3214 * config/sh/sh.md (movdf load split): Pass register number to
3215 FP_OR_XD_REGISTER_P.
3217 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3219 * cppinit.c (BC): New macro.
3220 (builtin_array): Add __GXX_WEAK__.
3221 * cpplib.h (builtin_type): Add BT_WEAK.
3222 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3223 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3224 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3226 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3228 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3230 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3232 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3233 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3235 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3237 * cpphash.h: Rename ALIGN _ALIGN.
3238 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3240 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3242 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3243 compilation environment.
3244 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3245 control over location of cygwin includes and libs.
3247 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3249 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3251 2001-02-02 lars brinkhoff <lars@nocrew.org>
3253 * md.texi (Standard Names): remove reference to spur.md.
3255 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3257 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3258 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3259 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3260 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3261 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3263 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3265 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3266 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3267 number before reload.
3268 (c4x_adjust_cost): Return zero before reload.
3269 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3270 split before reload.
3272 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3274 * c4x.c (c4x_hard_regno_rename_ok): New.
3275 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3276 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3278 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3280 * diagnostic.h: Add missing "extern" in all declarations.
3282 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3284 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3285 as for gcc_gxx_include_dir.
3287 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3289 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3291 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3293 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3294 label before alignment to be used as the braf base address.
3295 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3297 (casesi_jump_2): Require at least TARGET_SH2.
3299 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3300 truncation to 32-bit doubles on -m3e and -m4-single-only.
3302 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3304 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3305 the default when building a shared object.
3306 (init_spec): Use it.
3307 * testsuite/lib/g++.exp: Include the directory where libgcc
3308 is located to the LD_LIBRARY_PATH list.
3309 * invoke.texi (-shared-libgcc): Document the cases in which
3310 GCC defaults to using the shared libgcc.
3312 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3314 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3315 unsigned is wide enough.
3317 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3318 (si_to_float): Likewise.
3319 (float_to_si, float_to_usi): Use BITS_PER_SI.
3321 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3323 * dwarf2out.c: Added explanation of abbreviations.
3324 (def_cfa_1): Added comments listing DWARF2 instructions.
3325 (cfa_temp_reg): Removed in favor of cfa_temp.
3326 (cfa_temp_value): Removed in favor of cfa_temp.
3327 (cfa_temp): New global variable.
3328 (dwarf2out_frame_debug_expr): Added extensive introductory
3329 comments explaining the function's transformations. Revised to
3330 use cfa_temp. Added some rtx checking. Generalize IOR case.
3331 (dwarf2out_frame_debug): Revised to use cfa_temp.
3332 (output_aranges): Cast as "unsigned" to avoid warning.
3333 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3334 explain which instructions must be marked.
3336 2001-02-01 Richard Henderson <rth@redhat.com>
3338 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3341 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3343 * config/sh/crt1.asm (main_k): Modified so that start calls
3344 ___setup_argv_and_call_main.
3346 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3348 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3349 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3350 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3351 * cppmacro.c (builtin_macro): Set builtin flags here.
3352 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3353 (replace_args): Clarify intent.
3354 (cpp_get_token): Macro expansion tokens get the saved flags.
3356 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3359 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3361 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3364 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3366 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3367 returns Pmode pseudo, but we need ptr_mode.
3368 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3369 Remove bogus conversions; use HOST_WIDE_INT for size.
3370 Don't use TARGET if wrong mode.
3372 * config/i386/i386.c (ix86_compute_frame_size): Allow
3373 stack_alignment_needed to be non-default even if size is zero.
3375 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3377 * (hppa_init_pic_save): Emit the pic offset table
3378 reg save after last_parm_insn.
3379 * pa.c (hppa_init_pic_save): New function.
3380 * pa.h (hppa_init_pic_save): Declare.
3381 * pa.md (call, call_value, sibcall, sibcall_value): Use
3382 the above instead of duplicated code.
3384 * pa.c (hppa_encode_label): Correct size of alloca buffer
3385 so we don't overrun it. Correct leading `*' case.
3386 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3387 need to handle `*@'.
3388 (FUNCTION_NAME_P): Likewise.
3390 2001-01-31 Richard Henderson <rth@redhat.com>
3392 * config.gcc (alpha-osf5): Use float-i128.h.
3394 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3395 * config/float-i32.h: Likewise.
3396 * config/float-i64.h: Likewise.
3397 * config/float-sh.h: Likewise.
3398 * config/float-sparc.h: Likewise.
3400 2001-01-31 DJ Delorie <dj@redhat.com>
3402 * expmed.c (extract_bit_field): allow non-integral modes if we
3403 want to extract a whole register from itself.
3405 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3407 * c-typeck.c (set_init_index): If first is equal to last, assume as
3408 if it was not a range at all.
3410 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3412 * config/fp-bit.c: Include tm.h.
3413 (float_to_si): Don't assume SImode is 32-bits wide.
3414 (float_to_usi): Likewise.
3416 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3418 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3420 (typename): Call pending_xref_error after parsing typed_typespecs.
3421 * c-decl.c (lookup_tag): Give error immediately rather than
3422 leaving it pending if the tag of the wrong type is in the same
3424 (xref_tag): Don't pedwarn for forward declarations of enum types
3426 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3429 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3431 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3433 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3435 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3436 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3438 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3440 * cpphash.h (struct cpp_reader): New saved_flags.
3441 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3442 to avoid a paste after a pasted token.
3444 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3446 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3447 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3448 Wtype_MIN instead of LONG_MIN.
3450 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3452 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3454 * fixinc/fixincl.x: Regenerated.
3455 * fixinc/inclhack.def (irix_limits_const): New definition to
3456 convert "const" to "__const" in limits.h.
3458 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3460 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3462 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3464 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3465 when register dies in the insn.
3467 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3469 * diagnostic.c (fatal): Fix word wrap.
3471 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3473 * combine.c (try_combine): Fix SUBREG setting for
3474 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3476 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3478 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3481 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3483 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3485 * toplev.c (decode_W_option): Update warn_larger_than
3486 unconditionally for each processed switch.
3488 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3490 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3492 (hppa_expand_prologue): Delete code to save pic offset table register
3493 in the function prologue.
3494 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3495 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3496 table register at the beginning of the function after the prologue.
3498 2001-01-29 lars brinkhoff <lars@nocrew.org>
3500 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3502 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3503 Jeff Law <law@redhat.com>
3505 * pa.md (return): Revise comment for trivial return.
3506 (return_internal): Non-trivial return pattern for non-PIC code.
3507 (return_internal_pic): Non-trivial return pattern for PIC code.
3508 It uses the PIC register to ensure it is restored after
3510 (epilogue): Generate appropriate return for PIC and non-PIC code.
3512 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3514 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3516 2001-01-29 DJ Delorie <dj@redhat.com>
3518 * combine.c (if_then_else_cond): Pass the correct mode to
3519 operand_subword() for constants.
3521 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3523 * config/i386/cygwin.h: Add w32api to include search. Search different
3524 directories in a cross-build environment.
3526 2001-11-29 Tim Josling <tej@melbpc.org.au>
3528 * tree.h (TYPE_STUB_DECL): Add documentation.
3530 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3532 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3533 (sdbout_field_types): Likwise. Fix use of host_integerp.
3535 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3537 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3540 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3542 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3543 to use flag_gnu_linker.
3545 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3547 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3548 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3550 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3552 * tree.c, tree.h (build_parse_node): Remove; was identical to
3554 * c-lang.c (start_cdtor), objc/objc-act.c
3555 (build_module_descriptor): Use build_nt instead of
3558 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3560 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3561 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3562 not have any upper bits set.
3564 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3566 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3568 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3570 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3572 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3574 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3575 (integer_minus_one_node): Define.
3577 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3579 * Makefile.in (bootstrap2-lean): Fix typo.
3581 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3583 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3584 : Don't set fe_value.
3585 * cpplib.h (AVOID_LPASTE): New flag.
3586 (struct cpp_hashnode): Remove fe_value.
3587 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3588 * cppmacro.c (builtin_macro): Don't set flags here.
3589 (replace_args): Set AVOID_LPASTE flag on first token of an
3590 argument, and the token following it.
3591 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3592 macro expansion, and on the token following it. Do it for
3594 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3596 2001-01-27 Richard Henderson <rth@redhat.com>
3598 * config/alpha/t-ieee: Remove multilibbing.
3599 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3601 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3603 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3605 * Makefile.in: Remove all dependencies on defaults.h.
3606 * builtins.c: Don't include defaults.h.
3607 * c-common.c: Likewise.
3608 * c-decl.c: Likewise.
3609 * c-pragma.c: Likewise.
3610 * c-typeck.c: Likewise.
3611 * combine.c: Likewise.
3613 * frame-ia64.c: Likewise.
3614 * cppexp.c: Likewise.
3615 * crtstuff.c: Likewise.
3616 * dbxout.c: Likewise.
3617 * dwarf2out.c: Likewise.
3618 * dwarfout.c: Likewise.
3619 * emit-rtl.c: Likewise.
3620 * except.c: Likewise.
3622 * final.c: Likewise.
3623 * frame-dwarf2.c: Likewise.
3624 * libgcc2.c: Likewise.
3625 * optabs.c: Likewise.
3626 * profile.c: Likewise.
3627 * sdbout.c: Likewise.
3628 * toplev.c: Likewise.
3629 * tradcif.y: Likewise.
3631 * varasm.c: Likewise.
3633 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3635 * builtins.c (expand_builtin_fputs): Use size_one_node when
3636 transforming into fwrite.
3638 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3640 * extend.texi (Attribute Syntax): New section.
3642 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3644 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3645 they didn't need fixing.
3647 2001-01-27 Janis Johnson <janis@us.ibm.com>
3649 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3651 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3652 to remove macro definitions that are duplicated from elfos.h.
3654 2001-01-27 Richard Henderson <rth@redhat.com>
3656 * config/i386/sco5gas.h: Move ...
3657 * config/usegas.h: ... here.
3658 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3660 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3662 * c-typeck.c (struct constructor_stack): Add range_stack member.
3663 (really_start_incremental_init): Clear it.
3664 (push_init_level): Save constructor_range_stack and clear it if
3665 pushing explicit braces.
3666 (pop_init_level): abort if constructor_range_stack is non-zero at
3667 explicit closing brace. Restore saved constructor_range_stack if
3670 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3672 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3673 into register was forced into memory.
3675 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3677 * Makefile.in: Remove uses of + before $(MAKE).
3679 2001-01-26 Richard Henderson <rth@redhat.com>
3681 * stmt.c (cost_table): Remove.
3682 (COST_TABLE, cost_table_initialized): New.
3683 (estimate_case_costs): Use the later instead of the former.
3684 (balance_case_nodes): Likewise.
3686 2001-01-26 Richard Henderson <rth@redhat.com>
3688 * alias.c (objects_must_conflict_p): Read-only slots may not
3689 conflict despite having the same type.
3691 2001-01-27 Michael Hayes <mhayes@redhat.com>
3693 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3695 (check_ext_dependant_givs): Initialise u_start_val and
3697 (load_mems): Make last_max_reg unsigned.
3698 (try_swap_copy_prop): Use INSN_P and initialise set.
3700 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3702 * README.AVR : Removed.
3704 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3706 * pa-64.h (text_section): Remove declaration.
3708 * pa.md (return_internal): Remove mode on PIC register use.
3710 2001-01-25 lars brinkhoff <lars@nocrew.org>
3712 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3713 ASM_CLOSE_PAREN): fix typos.
3715 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3717 * acconfig.h: Define `const' to the empty string if neither
3718 __STDC__ nor __cplusplus is defined.
3719 * config.in: Regenerated.
3721 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3723 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3724 * collect2.c (main): Delete importf. Add ".obj" file extension.
3725 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3726 (aix_std_libs): Add additional AIX libraries to skip.
3727 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3728 * config/rs6000/aix51.h: New file.
3730 2001-01-25 Michael Hayes <mhayes@redhat.com>
3732 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3733 (loop_insn_emit_before): No longer static.
3734 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3735 (loop_givs_rescan, load_mems): Likewise.
3736 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3737 (maybe_eliminate_biv_1):
3738 (move_movables): Replace emit_call_insn_before with
3739 loop_call_insn_hoist.
3740 * loop.h (loop_insn_emit_before): Add.
3741 * unroll.c (copy_loop_body): Replace emit_insn_before with
3742 loop_insn_emit_before.
3744 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3746 * diagnostic.c (fatal): Request preprocessed source.
3748 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3750 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3751 olddecl has argument types and newdecl has none, use the argument
3754 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3756 * dwarf2out.c (prefix_of): New function. Determine longest common
3757 prefix of the two arguments. The units are whole path components.
3758 (output_file_names): When adding a new directory find the one entry
3759 with the longest common prefix already in the list. Artificially
3760 generate entry if there is none for this prefix.
3761 Fix test to check whether the zeroth directory entry is used.
3763 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3765 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3766 Changed all callers. Take it into account when deciding if a
3767 previously loaded value matches.
3769 2001-01-24 Richard Henderson <rth@redhat.com>
3771 * reload.c (find_reloads_subreg_address): Fail the substitution
3772 if the resulting address is insufficiently aligned.
3774 2001-01-24 DJ Delorie <dj@redhat.com>
3776 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3777 check the original operand's mode also.
3778 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3780 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3782 * c-parse.in (cast_expr): Move compound literals from here ...
3783 (primary): ... to here. Use standard terminology "compound
3784 literal" instead of "constructor expression".
3786 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3788 * gcc.1, cpp.1: Regenerate.
3790 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3792 * calls.c (emit_library_call_value_1): Memory slot for
3793 pass-by-reference argument should have the mode of the argument,
3794 not of the pointer to it.
3796 2001-01-24 Tom Tromey <tromey@redhat.com>
3798 * gcc.texi (G++ and GCC): Mention gcj manual.
3799 (Standards): Link to section of manual mentioning gcj/Java
3802 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3804 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3805 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3806 * tradcpp.c (main): Add -imacros or -include'd dependencies
3808 * cpp.texi (-M, -MM): Document -M -include behaviour.
3810 2001-01-24 Roger Collins <roger@ProProject.com>
3812 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3814 2001-01-24 Will Cohen <wcohen@redhat.com>
3816 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3817 whether registers are 32 bits or 64 bits in size.
3819 2001-01-24 Ben Elliston <bje@redhat.com>
3821 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3823 2001-01-24 Richard Henderson <rth@redhat.com>
3825 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3826 (builtin_longjmp): Use it instead of emit_indirect_jump.
3828 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3830 * bb-reorder.c (make_reorder_chain_1): Handle case where
3831 jump edge goes to the same block as the fallthru edge.
3833 2001-01-23 Jim Wilson <wilson@redhat.com>
3835 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3836 * frame.h (__ia64_personality_v1): Add prototype.
3837 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3838 prototype form. Add void * cast to first argument to personality
3840 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3841 (asctoe113): Likewise.
3842 * config/ia64/frame-ia64.c: Include eh-common.h.
3843 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3845 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3847 (itanium_split_issue): Add prototype.
3848 (gen_nop_type): Ifdef out.
3849 (find_best_packet): Initialize best_packet.
3850 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3852 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3853 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3854 (flushrs): Add explicit stop bit at end.
3855 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3858 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3860 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3862 * libgcc2.c (__terminate_func): Make variable static.
3863 (__terminate_set_func): New function to set __terminate_func.
3864 * libgcc2.h (__terminate_func_ptr): New typedef.
3865 (__terminate_set_func): New function.
3867 2001-01-23 Richard Henderson <rth@redhat.com>
3869 * flow.c (init_propagate_block_info): Don't consider unchanging
3870 memories for dead frame store elimination.
3872 2001-01-23 Richard Henderson <rth@redhat.com>
3874 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3875 * defaults.h: ... here.
3877 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3879 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3881 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3883 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3885 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3887 * rs6000.h (rs6000_return_addr): Move prototype from here...
3888 * rs6000-protos.h (rs6000_return_addr): ...to here.
3889 (rs6000_init_expanders): Delete prototype.
3891 2001-01-23 Nick Clifton <nickc@redhat.com>
3893 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3894 (Spec Files): Document %B and %j and %. and %v3 and %M and
3895 %{S*&T} spec switches.
3897 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3899 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3901 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3902 Neil Booth <neil@daikokuya.demon.co.uk>
3904 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3905 Have -Werror make pedantic warnings errors, like the
3908 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3910 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3912 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3914 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3915 * integrate.c (expand_inline_function): Initialize them.
3916 (subst_constants): If changing COMPARE so that both its arguments
3917 will be VOIDmode and the comparison mode will be lost, note
3918 compare_mode. Use the recorded compare_mode to optimize
3921 2001-01-23 Jason Merrill <jason@redhat.com>
3923 * dwarf2out.c (new_die): Use xcalloc.
3924 (output_die): Abort rather than emit a local reference to offset 0.
3926 2001-01-17 Andrew Haley <aph@redhat.com>
3928 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3929 of a saved register; return NULL instead.
3930 (copy_reg): Take a pointer to a source register rather than a
3932 (next_stack_level): Remember the address in the stack frame of all
3934 Use the saved register pointer array as the source of the CFA.
3935 (throw_helper): Rewrite. Unwind once rather than twice and keep
3936 track of saved registers as we go.
3938 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3940 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3941 * c4x.c (c4x_legitimize_reload_address): Remove.
3942 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3943 reload address for ldp(k) insn.
3945 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3947 * pa.md (return_internal): Add a USE of the PIC register to ensure
3948 it is restored after each call.
3949 (return expander): Corresponding changes.
3951 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3953 * rs6000.h (INIT_EXPANDERS): Delete.
3954 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3955 * rs6000.c (rs6000_override_options): Call *_machine_status from
3957 (rs6000_init_expanders): ...instead of here. Delete.
3958 (rs6000_mark_machine_status): New function.
3959 (rs6000_init_machine_status): Use xcalloc.
3960 (rs6000_return_addr): Generate RTX for the return address.
3961 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3962 (rs6000_stack_info): Use it.
3964 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3966 * gthr-win32.h: Include errno.h to get a declaration for
3967 EINVAL and _mingw.h if the target is mingw32.
3969 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3971 * cpp.texi: Correct typos.
3973 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3975 * explow.c (probe_stack_range): Ensure value passed to
3976 stack_check_libfunc is ptr_mode, not Pmode.
3978 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3980 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3981 case, don't use operand_subword to calculate a SUBREG that is
3984 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3986 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3988 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3989 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3990 valid. If not replace it by equivalent insns.
3992 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3994 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3995 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3996 (c4x_U_constraint, symbolic_address_operand): Likewise.
3997 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3999 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4000 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4001 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4002 anulling slot because of silicon bug.
4003 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4005 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4007 * cppexp.c (parse_charconst): Change `mask' type to agree
4010 2001-01-21 Richard Henderson <rth@redhat.com>
4012 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4013 pic_label_name in a linkonce section.
4015 2001-01-17 Philipp Thomas <pthomas@suse.de>
4017 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4019 * configure: Regenerate.
4021 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4023 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4024 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4026 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4028 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4029 If REVERSE nonzero then condition code in X must be reversed.
4030 (encode_section_info): Optimise if/else.
4031 (avr_function_value): Fix formatting.
4033 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4034 (difficult_branch): Likewise.
4035 (rvbranch): Likewise.
4036 (difficult_rvbranch): Likewise.
4038 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4040 * config/avr/libgcc.S: Fix comment.
4042 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4044 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4046 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4048 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4050 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4052 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4053 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4054 * configure, config.in: Regenerate.
4055 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4056 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4057 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4058 (doprint.o): New rule.
4060 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4062 * c-typeck.c (digest_init): Handle boolean types as scalars.
4064 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4066 * stmt.c (expand_return): Don't return anything if size is zero.
4067 Delete redundant assignment to BYTES.
4068 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4070 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4072 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4073 the same as the default library function names.
4074 * config/avr/avr.md: Document special characters after '%'.
4075 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4076 knowing which of the call-used registers are really clobbered.
4077 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4078 New. Both quotient and remainder from one libgcc.S call.
4079 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4080 clobber as few registers as possible.
4081 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4083 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4085 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4086 context of the top of the stack.
4088 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4090 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4091 (fixup_var_refs_insns): ...here.
4093 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4095 * function.c (fixup_var_refs_insns): Break up into
4096 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4097 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4098 [loop over hash table entries].
4099 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4100 fixup_var_refs_insns_with_hash, to match above changes.
4102 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4104 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4105 (libgcc.a): Likewise.
4106 (stmp-multilib): Likewise.
4107 (STAGE2_FLAGS_TO_PASS): Likewise.
4109 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4111 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4112 temporary if no_new_pseudos.
4114 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4116 * cppinternals.texi: Update.
4118 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4120 * arm.c (arm_init_builtins): Re-enable builtins.
4122 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4124 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4125 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4126 element to be null, and always expect an EXPR_LIST.
4127 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4128 * sched-deps.c (sched_analyze_1): Likewise.
4129 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4131 * regclass.c (max_set_parallel): New variable.
4132 (reg_scan): Take it into account in computation of max_parallel.
4133 (reg_scan_mark_refs, case SET): Compute it.
4135 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4137 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4138 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4140 2001-01-19 Jason Merrill <jason@redhat.com>
4142 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4143 for the abstract instance of an inline function.
4145 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4146 J"orn Rennecke <amylaar@redhat.com>
4148 * reload1.c (move2add_note_store): Treat all registers directly or
4149 indirectly derived from a base register as members of the same set
4151 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4152 of base register into account.
4154 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4156 * alias.c (find_base_value): Recognize TRUNCATE.
4157 (record_set): In PLUS case, invalidate if other summand is also a
4160 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4162 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4163 entry to be EXPR_LIST.
4164 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4165 be an EXPR_LIST (but not null, which other code doesn't allow).
4166 (note_stores): Properly handle PARALLEL in SET.
4167 Recursively call for top-level PARALLEL.
4168 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4169 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4171 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4173 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4175 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4176 not pfile->skipping (== 0).
4178 2001-01-17 Nick Clifton <nickc@redhat.com>
4180 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4183 2001-01-17 Jim Wilson <wilson@redhat.com>
4185 * invoke.texi (IA-64 options): Improve.
4187 2001-01-17 Tom Tromey <tromey@redhat.com>
4189 * invoke.texi (Optimize Options): Use `{}' to around @samp
4192 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4194 * invoke.texi (-fno-guess-branch-probability): New option.
4196 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4198 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4199 case of making new double-word constant.
4200 Revert last change: instead just test i3_subst_into_i2.
4202 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4204 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4205 Use q constraints instead of r.
4207 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4209 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4210 (machine_function): Define.
4211 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4212 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4213 pa_free_machine_status): New functions.
4214 (override_options): Set {init,mark,free}_machine_status to above.
4215 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4216 PIC_OFFSET_TABLE_REGNUM_SAVED.
4217 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4218 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4219 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4220 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4221 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4223 2001-01-15 DJ Delorie <dj@redhat.com>
4225 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4229 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4231 * flow.c (propagate_on_insn): Make trying to delete a prologue
4232 or epilogue insn an ICE, not a warning. Allow doing this if
4233 the current function returns with stack pointer depressed.
4235 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4236 I3 having more than one SET.
4238 2001-01-16 Jim Wilson <wilson@redhat.com>
4240 * invoke.texi: Document IA-64 options.
4242 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4243 (fixup_errata): Delete TARGET_A_STEP use.
4244 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4245 (TARGET_SWITCHES): Delete -ma-step option.
4246 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4247 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4248 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4249 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4250 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4251 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4253 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4254 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4255 cmovsi_internal): Delete ! TARGET_A_STEP check.
4257 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4259 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4260 possibility to report bugs via postal mail. Change a URL and
4261 merge in a nearly duplicate statement...
4262 (Bug Reporting): ...from here.
4263 (Service): Refer to the Bug Reporting section instead of
4265 (Contributing): Remove trivial explanations concerning snapshots.
4267 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4269 * cppmain.c (general_init): Don't use ANSI prototype.
4271 2001-01-16 Tom Tromey <tromey@redhat.com>
4273 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4275 2001-01-16 Richard Henderson <rth@redhat.com>
4277 * config/i386/i386.h: Fix comment typo.
4278 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4279 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4281 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4283 * gcc.c: Revert previous -fsyntax-only-related change; move
4286 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4288 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4289 inmode after checking GET_CODE (op).
4291 2001-01-16 Richard Henderson <rth@redhat.com>
4293 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4294 (MAX_MEM_SET_LIST_LEN): New.
4295 (propagate_one_insn): Update mem_set_list_len.
4296 (invalidate_mems_from_autoinc): Likewise.
4297 (invalidate_mems_from_set): Likewise.
4298 (mark_used_regs): Likewise.
4299 (init_propagate_block_info): Likewise. Stop collecting memories
4300 when we reach MAX_MEM_SET_LIST_LEN.
4301 (mark_set_1): Likewise.
4303 2001-01-16 Richard Henderson <rth@redhat.com>
4305 * unroll.c (precondition_loop_p): Fail if no iteration
4308 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4310 * gcc.c: When -fsyntax-only is given, do not complain about
4313 2001-01-15 Richard Henderson <rth@redhat.com>
4315 * config/i386/i386.c (asm_output_function_prefix): Remove.
4316 (ix86_asm_file_end): New.
4317 (load_pic_register): Generate pic_label_name into a
4318 staticly allocated buffer.
4319 * config/i386/i386-protos.h: Update.
4320 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4321 (ASM_FILE_END): New.
4322 * config/i386/i386afe.h: New file.
4323 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4324 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4325 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4326 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4327 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4328 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4329 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4331 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4333 * Makefile.in (install-man): Remove explicit dependency on
4336 * configure.in, configure: Revert previous patch requiring perl
4339 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4341 * toplev.c (flag_guess_branch_prob): New.
4342 (f_options): Add guess-branch-probability option.
4343 (rest_of_decl_compilation): Only estimate branch probability if
4345 (main): set flag_guess_branch_prob.
4347 * flags.h (flag_guess_branch_prob): New.
4349 2001-01-15 DJ Delorie <dj@redhat.com>
4351 * gcc.texi (Makefile): Add documentation for Makefile targets.
4353 2001-01-15 Philip Blundell <philb@gnu.org>
4355 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4357 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4358 (is_pic): Delete declaration.
4359 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4360 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4361 * config/arm/arm.md (builtin_setjmp_receiver): New.
4363 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4365 * arm.c (use_return_insn): Don't try to determine the function type
4366 until after reload has completed.
4367 (arm_output_epilogue): Don't adjust the sp value recovered from the
4369 (emit_multi_reg_push): Don't record dwarf information for the pc.
4370 * arm.md (eh_epilogue): The function type may have changed, so it
4371 needs to be recalculated.
4372 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4373 unwind tables on arm/netbsd.
4375 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4377 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4378 (negated_cbranchsi4): Likewise.
4380 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4382 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4383 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4384 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4385 pass -mapcs-* options to assembler.
4386 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4387 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4388 (ASM_SPEC): Call subtarget_extra_asm_spec.
4390 2001-01-15 Andreas Jaeger <aj@suse.de>
4392 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4394 (ix86_expand_builtin): Likewise.
4396 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4397 warning about comparison between signed and unsigned.
4399 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4401 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4403 2001-01-14 Ralf Baechle <ralf@gnu.org>
4405 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4406 SUBTARGET_CPP_SPEC apropriatly.
4408 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4410 * varasm.c (make_decl_rtl): Fix typo in last change.
4412 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4414 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4415 linker supports the init_priority C++ attribute.
4416 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4417 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4418 linker does not support init_priority C++ attribute.
4420 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4422 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4424 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4426 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4427 * cp/lex.c (finish_parse): Similarly.
4428 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4429 Return the number of errors encountered.
4430 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4431 * cppmain.c (main): Don't call cpp_destroy.
4433 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4435 * configure.in: Require at least perl 5.6.0 to regenerate
4437 * configure: Regenerate.
4439 2001-01-14 Richard Henderson <rth@redhat.com>
4441 * genrecog.c (DT_veclen_ge): New.
4442 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4443 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4444 (nodes_identical_1): Handle DT_veclen_ge.
4445 (write_cond, debug_decision_2): Likewise.
4447 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4449 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4451 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4453 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4455 * cppmain.c (do_preprocessing): New function; most of the old
4457 (main): Call it to do most of the work.
4458 (cb): Move from global scope to set_callbacks ().
4459 (setup_callbacks): Get the callback pointer.
4460 (general_init, printer_init): Clean up code and comments.
4462 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4464 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4467 2001-01-14 Kazu Hirata <kazu@hxi.com>
4469 * config/h8300/h8300.c (get_shift_alg): Update comments.
4471 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4473 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4474 (alloc_page, ggc_alloc): Add casts to remove warnings.
4476 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4478 * combine.c (simplify_comparison): Don't change `code' when
4479 can't reverse comparison.
4481 2001-01-14 Richard Henderson <rth@redhat.com>
4483 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4484 update all call sites. Return true for all non-label constants.
4486 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4488 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4490 (ix86_expand_branch): Update.
4491 (ix86_expand_setcc): Update to handle multiple test conditions.
4492 (expand_int_movcc): Likewise.
4493 (expand_fp_movcc): Likewise.
4494 * i386-protos.h (ix86_expand_compare): New.
4495 * i386.md (andqi_?_slp, orqi_?_slp): New.
4496 (conditional trap expander): Update call to ix86_expand_compare.
4498 2001-01-14 Richard Henderson <rth@redhat.com>
4500 * config/vax/vax.md: Use nonimmediate_operand instead of
4501 general_operand in destinations.
4503 * config/vax/vax.md (indirect_jump): Use register_operand.
4505 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4506 * config/vax/vax.md (call_pop): Turn into an expander.
4507 (call_value_pop): Likewise.
4508 (call, call_value): New.
4510 2001-01-14 Andreas Jaeger <aj@suse.de>
4512 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4514 (ix86_fp_compare_mode): Add unused attribute.
4515 (ix86_expand_fp_movcc): Remove unused variable.
4516 (ix86_expand_builtin): Make fcode unsigned.
4518 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4519 (expand_expr): Add cast to avoid signed warning.
4520 (store_field): Likewise.
4521 (store_constructor_field): Likewise.
4522 (store_constructor): Likewise.
4523 (store_expr): Likewise.
4524 (clear_storage): Likewise.
4525 (emit_group_store): Likewise.
4526 (emit_group_load): Likewise.
4528 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4530 * c-common.c: Move format checking code to ...
4531 * c-format.c: ... here. New file. Reorder some functions and
4533 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4535 * c-common.h (decl_handle_format_attribute,
4536 decl_handle_format_arg_attribute): Declare.
4537 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4538 (c-common.o): Adjust dependencies.
4539 (c-format.o): New list of dependencies.
4541 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4543 * unroll.c (loop_iterations): If we cannot prove iteration variable
4544 is set once in each iteration, punt.
4546 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4548 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4549 (*strlenhi): Remove clobber (which was buggy) of output address.
4551 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4553 * Makefile.in (generated-manpages): Add gcc.1
4554 ($(srcdir)/gcc.1): New target.
4555 (maintainer-clean): Delete $(srcdir)/gcc.1.
4556 * gcc.texi: Add macros @gccoptlist and @gol.
4557 * invoke.texi: Include option summary in manpage. Mark up option
4558 summary with @gccoptlist and @gol. Use @r in one place where
4560 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4561 * gcc.1: Generate from invoke.texi.
4563 2001-01-13 Richard Henderson <rth@redhat.com>
4565 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4566 (struct page_entry): Add group member.
4567 (struct page_group): New.
4568 (struct globals): Add page_groups member.
4569 (alloc_anon): Only define for using mmap; remove valloc call.
4570 (page_group_index): New.
4571 (set_page_group_in_use): New.
4572 (clear_page_group_in_use): New.
4573 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4574 (free_page, release_pages): Likewise.
4575 * configure.in (with-gc): Default to ggc-page always.
4577 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4579 * reload1.c (replace_pseudos_in_call_usage): Use
4580 reg_equiv_constant and reg_equiv_address, and don't try
4581 regno_reg_rtx first.
4583 2001-01-13 Richard Henderson <rth@redhat.com>
4585 * ggc-page.c (alloc_page): Round up allocation size to one page.
4586 Set e->order on extra pages.
4588 2001-01-13 Richard Henderson <rth@redhat.com>
4590 * genrecog.c (nodes_identical): Expand commentary.
4591 (write_switch): Watch out for identical nodes.
4593 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4595 * cppfiles.c (_cpp_fake_include): New function.
4596 * cpphash.h (_cpp_fake_include): New.
4597 * cpplib.c (do_line): Call _cpp_fake_include when entering
4598 header files in preprocessed input.
4599 * cppmain.c (cb_pragma_implementation): Remove handling.
4600 (setup_callbacks): Don't register pragmas.
4602 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4604 * extend.texi: Udate for CPP.
4606 2001-01-13 Andreas Jaeger <aj@suse.de>
4608 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4610 * regmove.c: Add prototype for replace_in_call_usage.
4612 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4614 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4615 struct cpp_chunk, struct htab, struct toklist,
4616 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4617 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4618 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4619 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4620 (struct macro_args): Delete.
4621 * cpphash.h: See above.
4623 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4625 * cppmain.c (struct printer): Remove no_line_dirs.
4627 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4628 : Use options rather than CPP_OPTION.
4629 (setup_callbacks): Use cb rather than pfile->cb.
4630 (main): No need to check for a buffer. Use cpp_errors.
4631 (printer_init): Don't set no_line_dirs.
4632 (maybe_print_line): Use options not no_line_dirs.
4633 (cb_file_change): Don't call print_line if -P.
4635 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4637 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4639 * c-parse.in (finish_parse): Use cpp_errors.
4640 (__yylex): Use return value of cpp_pop_buffer.
4641 * cp/lex.c (finish_parse): Use cpp_errors.
4642 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4644 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4646 * README.AVR: URLs corrected.
4648 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4650 * c-decl.c (start_function): Don't warn if old prototype is builtin
4651 that's not in C's namespace.
4652 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4653 (_bb): Add prototype for ctime.
4654 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4656 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4658 * i386.c (ix86_fp_comparison_arithmetics_cost,
4659 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4660 ix86_fp_comparison_cost): New functions.
4661 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4662 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4663 two-branch sequences; make static.
4664 (ix86_use_fcomi_compare): Do decision according to the costs.
4665 (split_fp_branch): New.
4666 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4667 * i386-protos.h (ix86_expand_fp_compare): Remove
4668 (ix86_split_fp_branch): Declare.
4670 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4671 and ix86_comparison_operator.
4673 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4676 * i386.c (put_condition_code): Output properly the unordered/ordered
4677 compares in fp case.
4678 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4680 * tm.texi (REVERSE_CONDITION): Document.
4681 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4682 in -ffast-math mode.
4683 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4685 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4687 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4689 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4692 * config/sh/sh.c (mova_p): Fix test for mova_const.
4694 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4696 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4697 cpp_get_options rather than dereferencing pfile and using
4699 * scan-decls.c (scan_decls): Use return value of
4700 cpp_pop_buffer rather than CPP_BUFFER.
4702 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4704 * cppinit.c (cpp_handle_option): help_only is now part of the
4705 cpp_options structure.
4706 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4707 cpp_set_callbacks): New functions.
4708 * cpplib.h (cpp_callbacks): Break out as a named structure.
4709 (cpp_options): Move help_only here from cpp_reader.
4710 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4711 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4712 cpp_set_callbacks): New prototypes.
4713 * cppmain.c (main): Update for help_only.
4715 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4717 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4718 Also build and remove and install and uninstall c-tree.info and
4720 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4721 ($(srcdir)/cppinternals.info): New target.
4722 * c-tree.texi: Change file name used when makeinfo used without -o
4723 from ir.info to c-tree.info. Add info directory entry.
4724 * cppinternals.texi: Add info directory entry.
4725 * .cvsignore: Update.
4727 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4729 * c-typeck.c (store_init_value): Don't require constant initializer
4730 elements with -pedantic -std=c99.
4731 (digest_init): Change error about non-constant initializer elements
4733 (constructor_range_end): Remove.
4734 (constructor_incremental, designator_depth,
4735 designator_errorneous): New variables.
4736 (struct constructor_stack): Remove range_end, add incremental.
4737 (struct constructor_range_stack, constructor_range_stack): New.
4738 (struct initializer_stack): Add constructor_range_stack.
4739 (finish_init): Set it.
4740 (start_init): Likewise. require_constant_elements for non-static
4741 trees only if not flag_isoc99.
4742 (really_start_incremental_init): Remove constructor_range_end, add
4743 constructor_incremental.
4744 (pop_init_level): Likewise.
4745 (push_init_level): Likewise. If implicit and the subobject had some
4746 value set already, preinitialize the level with it.
4747 Warn about missing braces only if not pushing due to designators.
4748 (set_designator, push_range_stack): New functions.
4749 (set_init_label): Use them.
4750 (set_init_index): Likewise. Remove constructor_range_end.
4751 Error if designator index is outside of array bounds.
4752 (add_pending_init): Compare values of purpose index trees, not the
4753 trees themselves. Allow overwriting of already initialized element.
4754 Issue a warning if it had side-effects.
4755 (set_nonincremental_init, set_nonincremental_init_from_string): New
4757 (pending_init_member): Rename to...
4758 (find_init_member): ...this function. Call set_nonincremental_init
4759 if necessary. Compare values of purpose index trees, not the trees
4760 themselves. Return the actual value, not just non-zero if something
4762 (output_init_element): Remove checks for duplicates.
4763 If field has zero size, only check the initializer for correctness.
4764 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4765 if constructor_incremental is zero. Change error about initializers
4766 not computable at load time into pedwarn.
4767 (output_pending_init_elements): Compare bit positions, not
4768 FIELD_DECLs to take into account zero-sized fields.
4769 (process_init_element): Use constructor_range_stack to fill all
4770 ranges in the designator lists from current level up.
4771 * extend.texi: Update documentation for labeled elements.
4773 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4775 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4776 to function usage for arguments passed by reference. Optimize
4777 callee-copied arguments.
4778 * regmove.c (replace_in_call_usage): New function.
4779 (fixup_match_1): Call it.
4780 * cse.c (cse_insn): Canonicalize registers in function usage.
4781 * reload1.c (replace_pseudos_in_call_usage): New function.
4784 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4787 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4789 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4792 2001-01-12 DJ Delorie <dj@redhat.com>
4794 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4795 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4798 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4800 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4801 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4802 -std options alongside references to -ansi. Update some
4803 documentation for C99.
4804 * cpp.1: Regenerate.
4806 2001-01-12 Andreas Jaeger <aj@suse.de>
4808 * haifa-sched.c (restore_line_notes): Remove argument block B
4810 * sched-ebb.c (schedule_ebb): Change caller.
4811 * sched-rgn.c (schedule_region): Likewise.
4812 * sched-int.h (restore_line_notes): Adjust prototype.
4814 * loop.h: Remove wrong declaration of doloop_condition_get.
4816 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4818 * extend.texi: Move C++-extension-related node from the C section
4819 into the C++ section.
4821 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4823 * extend.texi: Refer to an array of pointers to functions instead
4824 of one of functions.
4826 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4827 Jan Hubicka <jh@suse.cz>
4829 * combine.c (reversed_comparison): Fix typo in last patch.
4831 (combine_reversed_comparison_code): Make static to follow
4832 prototype declaration.
4834 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4836 * install.texi: Remove misplaced duplicate entry.
4838 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4840 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4842 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4844 * final.c: (leaf_function_p): Fix typo.
4846 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4848 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4849 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4851 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4852 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4853 mmap_anon, and valloc is available.
4854 * ggc-page.c: Restructure ifdef logic to match new autoconf
4855 spec. Don't throw away the test page in init_ggc.
4857 * configure, config.in: Regenerate.
4859 2001-01-12 Michael Hayes <mhayes@redhat.com>
4861 * loop.h (total_biv_increment): Constify iv_class pointer.
4862 (struct induction): Replace `mem_mode' with `mem' rtx.
4863 * unroll.c (total_biv_increment): Constify iv_class pointer.
4864 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4865 (find_mem_givs, combine_givs_p): Likewise.
4866 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4868 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4870 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4872 (__gthread_getspecific): Ditto.
4874 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4876 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4877 put_condition_code): Convert fp comparison codes to integer
4879 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4882 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4883 * i386-protos.h (no_comparison_operator): Kill.
4885 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4887 * combine.c (REVERSIBLE_CC_MODE): Remove.
4888 (reversible_comparison_p): Remove.
4889 (combine_reversed_comparison_code): New.
4890 (reversed_comparison): New.
4891 (combine_simplify_rtx): Use
4892 combine_reversed_comparison_code/reversed_comparison instead
4893 of reversible_comparison_p.
4894 (simplify_if_then_else): Likewise.
4895 (simplify_set): Likewise.
4896 (simplify_logical): Likewise.
4897 (if_then_else_cond): Likewise.
4898 (known_cond): Likewise.
4899 (simplify_comparison): Likewise.
4901 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4903 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4904 sizeof (int) is larger than sizeof(__word__).
4906 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4908 * cppinit.c (do_includes): Fix typo.
4910 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4912 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4913 in S_REGS does not occur because not all sources are possible
4914 when a S_REGS is a destination (sometimes needs a clobber).
4915 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4916 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4917 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4918 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4919 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4920 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4921 (lshrdi_const1, lshrsi3_const16): Likewise.
4922 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4923 (*movhi_68hc12, *movqi_68hc12): Likewise.
4924 (movstrictqi): Make sure reloading in D_REGS as a destination
4927 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4929 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4931 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4933 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4934 -D, -U and -A, and don't initialize the builtins.
4935 (do_includes): Error if -include or -imacros with -fpreprocessed.
4936 * cppmain.c (cb_define, cb_undef): Unconditionally process
4938 * tradcpp.c (main): Fix typo.
4940 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4942 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4943 (read_name_map): Use IS_ABSOLUTE_PATH.
4944 * tradcpp.c (get_filename): Likewise.
4946 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4948 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4949 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4950 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4951 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4952 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4953 (cmphi_z_used): Don't use '@' for the output.
4954 (tstqi_z_used): Likewise.
4955 (cmpqi_z_used): Likewise.
4956 (one_cmplsi2): Likewise.
4958 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4960 * config/sh/sh.c (barrier_align): Recognize branch around far
4961 branch and redundant insn.
4963 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4965 * invoke.texi: Restore documentation of the drivers' switches -MD
4968 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4970 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4972 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4973 check-objc//%): Support parallel testing of multilibs.
4974 (TESTSUITEDIR): Set to testsuite by default, but override for
4976 (check-gcc, check-g++, check-g77, check-objc): Enter
4979 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4981 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4982 * sched-deps.c (deps_may_trap_p): Likewise.
4983 * basic-block.h: Remove a comment.
4984 * flow.c (PROP_POSTRELOAD): Remove.
4985 (update_life_info): Don't add it to prop_flags.
4986 (mark_set_1): Lose the code that was enabled by it.
4988 2001-01-11 Michael Hayes <mhayes@redhat.com>
4990 * flow.c (flow_call_edges_add): New.
4991 * basic_block.h (flow_call_edges_add): New.
4993 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4995 * reload1.c (move2add_note_store): Update reg_set_luid even if
4996 base reg remains the same.
4998 2001-01-10 Nick Clifton <nickc@redhat.com>
5000 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5001 machine_function structure to zero.
5002 Add prototypes for machine_status functions.
5004 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5006 * c-common.h (CTI_VOID_LIST): Remove.
5007 (void_list_node): Likewise.
5008 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5009 (void_list_node): New macro.
5010 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5011 * config/i386/i386.c (ix86_init_builtins): Likewise.
5012 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5014 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5016 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5017 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5019 * tradcpp.c: Include mkdeps.h.
5020 (deps, print_deps_phony_targets, deps_append, output_deps,
5021 init_dependency_output, output_deps): New.
5022 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5023 deps_output): Delete.
5024 (print_deps_missing_files): Rename deps_missing_files.
5025 (inhibit_output): Make global.
5026 (main): Delete inhibit_output, deps_stream, deps_target.
5027 Use mkdeps functionality in the same way as cpplib. Remove
5028 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5029 -M and -MM. Remove old handling of deps via deps_out, and
5030 old reading of environment variables.
5031 (get_filename): Update to use deps_add_dep.
5033 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5035 * output.h (make_function_rtl): Remove prototype.
5036 (make_decl_rtl): Likewise.
5037 * varasm.c (make_function_rtl): Remove.
5038 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5039 than from a third parameter.
5040 * tree.h (make_decl_rtl): Remove last parameter.
5041 * c-decl.c (builtin_function): Remove last argument in call to
5042 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5043 (start_function): Likewise.
5044 * except.c (call_get_eh_context): Likewise.
5045 * expr.c (emit_block_move): Likewise.
5046 (clear_storage): Likewise.
5047 * profile.c (output_func_start_profiler): Likewise.
5048 * toplev.c (rest_of_decl_compilation): Likewise.
5049 * objc/objc-act.c (create_builtin_decl): Likewise.
5050 (synth_module_prologue): Likewise.
5051 (generate_static_reference): Likewise.
5052 (build_selector_reference_decl): Likewise.
5053 (build_class_reference_decl): Likewise.
5054 (build_objc_string_decl): Likewise.
5055 (build_protocol_reference): Likewise.
5057 2001-01-10 Richard Henderson <rth@redhat.com>
5059 * hwint.h: Revert yesterday's change.
5061 2001-01-10 Nick Clifton <nickc@redhat.com>
5063 * function.h (save_machine_status): Delete.
5064 (restore_machine_status): Delete.
5065 Amend comment describing {init|mark|free}_machine_status.
5067 * function.c (save_machine_status): Delete.
5068 (restore_machine_status): Delete.
5069 Amend comment describing {init|mark|free}_machine_status.
5070 (push_function_context_to): Remove invocation of
5071 save_machine_status.
5072 (pop_function_context_from): Remove invocation of
5073 restore_machine_status.
5075 * emit-rtl.c (init_emit_once): Amend comment describing
5076 {init|mark|free}_machine_status.
5078 * tm.texi (Per-Function Data): New node. Describe the
5079 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5082 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5084 * cppinit.c (OPT_g): Remove.
5085 (cpp_handle_option): Update for removed -g3.
5086 (print_help): Update.
5087 * cpplib.h (struct cpp_options): Remove debug_output.
5088 * cppmain.c (setup_callbacks, cb_define): Update.
5089 * gcc.c (cpp_options): Translate -g3 to -dD.
5091 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5093 * config/i960/i960.md: Change modifier to + on the zero_extract
5094 pattern after the (rotate -2 reg) canonicalization pattern.
5096 2001-01-10 Richard Henderson <rth@redhat.com>
5098 * config/alpha/alpha.c (alpha_free_machine_status): New.
5099 (override_options): Install it.
5100 (alpha_mark_machine_status): Verify machine non-null.
5101 * config/i386/i386.c (ix86_free_machine_status): New.
5102 (override_options): Install it.
5103 (ix86_init_machine_status): Use xcalloc.
5104 (ix86_mark_machine_status): Verify machine non-null.
5105 * config/ia64/ia64.c (ia64_free_machine_status): New.
5106 (ia64_override_options): Install it.
5107 (ia64_mark_machine_status): Verify machine non-null.
5109 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5111 * function.c (instantiate_virtual_regs): Instantiate virtual
5112 registers found in CALL_INSN_FUNCTION_USAGE.
5114 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5116 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5117 equivalent to -ansi in disabling -Di386.
5119 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5121 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5123 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5125 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5127 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5129 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5131 * invoke.texi: Document that -fcond-mismatch isn't supported for
5134 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5136 * gcc.texi: Define macro gcctabopt.
5137 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5138 @command, @env and @option in some places where appropriate. Use
5139 @gcctabopt where appropriate. Put URLs and email addresses inside
5142 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5144 * gcc.c (cpp_options): Set MD file name from output
5145 filename, if specified.
5146 (suffix_subst): New static variable.
5147 (do_spec): Clear it.
5148 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5150 (give_switch): Handle suffix_subst.
5152 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5154 * invoke.texi: Fix another typo.
5156 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5158 * invoke.texi: Fix typo.
5160 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5162 * c-lang.c (lang_hooks): Update.
5163 (lang_decode_option): Remove.
5164 (lang_init_options): Rename c_init_options.
5165 * toplev.c (main): Use lang_hooks for lang_init_options
5166 and lang_decode_option.
5167 * toplev.h (lang_hooks): Add 2 new hooks.
5168 * tree.h: Remove lang_init_options and lang_decode_option.
5169 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5170 * cp/decl2.c: Similarly.
5171 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5172 (lang_hooks): Update.
5173 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5175 (lang_init_options): Rename ffe_init_options.
5176 (lang_hooks): Update.
5177 (lang_decode_option): Remove.
5178 * java/lang.c (lang_init_options): Rename java_init_options.
5179 (lang_decode_option): Rename java_decode_option.
5180 (lang_hooks): Update.
5181 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5182 (lang_decode_option): Rename objc_decode_option.
5183 (lang_hooks): Update.
5185 2001-01-09 Nick Clifton <nickc@redhat.com>
5187 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5188 (d30v_return_addr_rtx): Delete.
5189 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5190 cfun->machine structure.
5191 (struct machine_function): Move to d30v.h
5192 (d30v_save_machine_status): Delete.
5193 (d30v_restore_machine_status): Delete.
5194 (d30v_init_machine_status): New Function.
5195 (d30v_mark_machine_status): New Function.
5196 (d30v_free_machine_status): New Function.
5197 (d30v_init_expanders): Use new functions.
5198 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5199 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5200 d30v_return_addr_rtx.
5202 * config/d30v/d30v.h (struct_machine): Move here.
5203 Add eh_epilogue_sp_ofs field.
5205 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5206 field in cfun->machine structure.
5208 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5210 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5211 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5212 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5214 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5216 * objc/lang-options.h: Remove bogus reference to
5219 2001-01-09 Kazu Hirata <kazu@hxi.com>
5221 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5224 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5226 * reload.c (find_reloads_address): Check for eliminable registers
5227 when substituting a constant expression for a pseudo.
5229 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5231 * c-common.c (enum format_type): Add format_type_error.
5232 (decode_format_type): New function.
5233 (decl_attributes): Use it.
5234 (format_kind_info): Adjust comment.
5236 2001-01-09 David O'Brien <obrien@BSDi.com>
5238 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5239 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5241 * config/i386/gnu.h: Don't include required platform specific .h files,
5242 tm.h will do it instead.
5243 * config/i386/i386elf.h: Likewise.
5244 * config/i386/linux.h: Likewise.
5245 * config/i386/moss.h: Likewise.
5246 * config/mips/gnu.h: Likewise.
5248 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5250 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5251 (rs6000-ibm-aix3.[01]*): Likewise.
5252 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5253 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5254 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5255 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5256 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5257 (powerpc-*-eabiaix*): Likewise.
5258 (powerpc-*-eabisim*): Likewise.
5259 (powerpc-*-elf*): Likewise.
5260 (powerpc-*-eabi*): Likewise.
5261 (powerpc-*-rtems*): Likewise.
5262 (powerpc-*-linux*libc1): Likewise.
5263 (powerpc-*-linux*): Likewise.
5264 (powerpc-wrs-vxworks*): Likewise.
5265 (powerpcle-wrs-vxworks*): Likewise.
5266 (powerpcle-*-sysv*): Likewise.
5267 (powerpcle-*-elf*): Likewise.
5268 (powerpcle-*-eabisim*): Likewise.
5269 (powerpcle-*-eabi*): Likewise.
5270 (powerpcle-*-solaris2*): Likewise.
5271 * config/rs6000/aix31.h: Delete includes.
5272 * config/rs6000/aix3newas.h: Likewise.
5273 * config/rs6000/aix41.h: Likewise.
5274 * config/rs6000/aix43.h: Likewise.
5275 * config/rs6000/beos.h: Likewise.
5276 * config/rs6000/rtems.h: Likewise.
5277 * config/rs6000/sysv4.h: Likewise.
5279 2001-01-09 Kazu Hirata <kazu@hxi.com>
5281 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5282 Change an argument mode of machine_mode to shift_mode of
5283 shift_mode. Remove an extra error check.
5284 (emit_a_shift): Adopt to the new calling prototype of
5286 (function_prologue): Fix code for a monitor
5287 function. Support H8/S.
5288 (function_epilogue): Do not output pop for a monitor function.
5290 2001-01-09 Nick Clifton <nickc@redhat.com>
5292 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5293 (setup_incoming_varargs): Use sysv_varargs_p field of the
5294 cfun->machine structure.
5295 (struct machine_function): Move to rs6000.h
5296 (rs6000_save_machine_status): Delete.
5297 (rs6000_restore_machine_status): Delete.
5298 (rs6000_init_machine_status): New Function.
5299 (rs6000_free_machine_status): New Function.
5300 (rs6000_init_expanders): Use new functions.
5302 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5304 (struct machine_function): Move here.
5306 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5307 sysv_varargs_p field of the cfun->machine structure.
5309 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5311 (rs6000_restore_machine_status): Remove prototype.
5313 2001-01-09 Richard Henderson <rth@redhat.com>
5315 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5316 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5317 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5318 (sched_analyze_2, sched_analyze_insn): Likewise.
5319 (sched_analyze, init_deps): Likewise.
5320 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5321 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5322 (compute_block_backward_dependences): Update propagate_deps call.
5324 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5326 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5328 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5330 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5331 (cpp_handle_option): Handle them.
5332 (cpp_post_options): Ensure one of -M or -MM is specified with
5333 any other -M? option.
5334 (init_dependency_output): Suppress output with -MG.
5336 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5339 * invoke.texi: Update.
5341 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5343 * sh.md (reload_outsf): Generate recognizable patterns for
5346 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5348 * c-lang.c (lang_hooks): Update.
5349 (lang_init): Rename c_init.
5350 (lang_finish): Remove.
5351 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5353 * toplev.h (lang_hooks): Add init () and finish ().
5354 * tree.h (lang_init, lang_finish): Remove.
5355 * cp/tree.h (lang_init, lang_finish): Remove.
5356 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5357 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5359 (lang_init, lang_finish): Remove.
5360 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5361 (lang_hooks): Update.
5362 * java/lang.c (lang_init): Rename java_init.
5363 (lang_finish): Remove.
5364 (lang_hooks): Update.
5365 * objc/objc-act.c (lang_init): Rename objc_init.
5366 (lang_finish): Remove.
5367 (lang_hoooks): Update.
5369 20001-01-09 Graham Stott <grahams@redhat.com>
5371 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5372 after `ptr` is initialised.
5374 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5376 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5377 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5378 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5379 stack adjusts, instead of r3.
5381 2001-01-09 Michael Hayes <mhayes@redhat.com>
5383 * flow.c (flow_loop_scan): Break out of ...
5384 (flow_loops_find) ... here.
5385 * basic-block.h (flow_loop_scan): New.
5386 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5387 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5389 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5391 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5393 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5394 realloc()ing macro_buffer.
5396 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5397 if it's wider than long and the target's long is wider than the
5400 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5402 Remove support for using UWIN as a host machine.
5403 * configure.in: Issue an error message.
5404 * configure: Regenerated.
5405 * config.gcc: Remove xm_* UWIN configury.
5406 * config/i386/xm-uwin.h: Remove.
5408 2001-01-08 Nick Clifton <nickc@redhat.com>
5410 * config/v850/v850.c (ra_rtx): Delete.
5411 (v850_save_machine_status): Delete.
5412 (v850_restore_machine_status): Delete.
5413 (v850_init_machine_status): New function.
5414 (v850_mark_machine_status): New function.
5415 (v850_free_machine_status): New function.
5416 (v850_return_addr): Use ra_rtx field in machine structure.
5417 (v850_init_expanders): Use new functions.
5419 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5420 * config/v850/v850.c: Change arguments to v850_output+* functions
5421 to take a const char *, to avoid compile time warning.
5422 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5423 (USER_LABEL_PREFIX): Redefine.
5425 2000-01-08 Jim Wilson <wilson@redhat.com>
5427 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5428 1 to unsigned HOST_WIDE_INT before left shift.
5430 2001-01-08 Nick Clifton <nickc@redhat.com>
5432 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5433 the machine structure has been allocated.
5434 (arm_free_machine_status): New function: Free the machine
5435 specific function structure.
5437 2001-01-08 Richard Henderson <rth@redhat.com>
5439 * jump.c (simplejump_p): Revert last change.
5441 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5443 * cppinit.c (init): Rename init_library.
5444 (cpp_create_reader): Update.
5445 * gcc.c (cpp_options): If -o given, use it as the target of
5448 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5450 * arm.c (arm_arch5e): New variable.
5451 (all_cores): XScale is a 5TE device.
5452 (arm_override_options): Set arm_arch5e.
5453 (arm_init_builtins): __builtin_prefetch is in arch5e.
5454 * arm.h (arm_arch5e): Declare it.
5456 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5458 * arm.md (define_constants): Add defines for UNSPEC and
5459 UNSPEC_VOLATILE insns. Update all users.
5460 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5461 * arm.c (multi_register_push, note_invalid_constants)
5462 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5463 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5464 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5466 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5468 * jump.c (jump_optimize_1): Use reversed_comparison_code
5469 instead of can_reverse_comparison_p.
5470 (jump_back_p): Likewise.
5471 (invert_exp_1): Likewise.
5472 (thread_jumps): Likewise.
5473 * simplify-rtx.c (simplify_unary_operation): Likewise.
5474 (simplify_ternary_operation): Likewise.
5475 * cse.c (find_comparison_args): Convert to use
5476 can_reverse_comparison_p.
5477 (record_jump_equiv): Likewise.
5479 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5481 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5482 (EPILOGUE_USES): Define.
5483 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5484 automatically stack the LR if it isn't live.
5486 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5488 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5491 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5493 * ggc-page.c (max_alignment): New structure.
5494 (MAX_ALIGNMENT): New macro.
5495 (init_ggc): Use it to round up the sizes in the
5496 extra_order_size_table.
5498 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5500 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5503 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5505 * builtins.def (BUILT_IN_FPRINTF): New entry.
5507 * c-common.c (c_expand_builtin_fprintf): New function.
5508 (init_function_format_info): Handle __builtin_fprintf.
5509 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5510 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5512 * c-decl.c (duplicate_decls): Adjust comment.
5514 * extend.texi (fprintf): Document new builtin.
5516 2001-01-07 Richard Henderson <rth@redhat.com>
5518 * jump.c (simplejump_p): Recognize any single_set jump
5521 2001-01-07 Richard Henderson <rth@redhat.com>
5523 * configure.in (slibdir): Accept an --with-slibdir option.
5524 Use "test" not "[" in configure. Default to $(libdir).
5526 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5528 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5529 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5530 (SHLIB_LINK): Create links for the soname.
5531 * config/mips/t-iris6: Likewise.
5532 * config/sparc/t-slibgcc: Likewise.
5533 * config/sparc/t-slibgcc-sld: Likewise.
5535 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5537 * config/i386/i386.c (constant_call_address_operand): Accept
5538 (const (plus (symbol_ref) (const_int))).
5539 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5540 constant_call_address_operand.
5542 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5544 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5545 and LONG_LONG_TYPE_SIZE > 32.
5547 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5549 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5550 the previous change.
5552 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5554 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5556 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5557 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5558 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5561 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5563 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5565 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5567 * c-lang.c (c_post_options): Call cpp_post_options.
5568 * objc/objc-act.c (objc_post_options): Similarly.
5569 * cppmain.c (main): Similarly.
5570 * fix-header.c (read_scan_file): Similarly.
5571 * cppinit.c (cpp_start_read): Move option consistency checks
5572 to cpp_post_options. Don't call init_dependency_output.
5573 If needed, add default target and main file dependency.
5574 (OPT_MD, OPT_MMD): Remove.
5576 (cpp_handle_option): Update for OPT_* changes.
5577 (cpp_post_options): New.
5578 (init_dependency_output): Command line -MF overrides environment
5579 variables. Don't set default target etc. Suppress output
5580 if dependencies are going to stdout.
5581 (print_help): Update.
5582 * cpplib.h (cpp_post_options): New.
5583 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5585 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5587 * jump.c (comparison_dominates_p): Support unordered compares.
5589 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5591 * simplify-rtx.c (simplify_relational_operation): Always simplify
5592 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5595 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5597 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5598 (nonzero_bits): Likewise.
5599 (simplify_comparison): Likewise.
5600 (num_sign_bit_copies): Likewise; return more sane value depending
5601 on STORE_FLAG_VALUE.
5602 (known_cond): Do not assume EQ to be always true for equivalent
5605 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5607 * cse.c (fold_rtx): Handle unordered comparisons.
5609 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5611 * rtlanal.c (set_of_1): New static function.
5612 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5613 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5614 reg_set_last_last_regno): Remove.
5615 (set_of): New global function.
5616 (set_of_data): New structure.
5617 (reg_set_p, reg_set_last): Revamp for set_of.
5618 * rtl.h (set_of): New.
5620 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5622 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5623 * extend.texi: Document _Exit builtin.
5625 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5627 * (initialize, initialize_builtins,
5628 initialize_dependency_output, initialize_standard_includes):
5629 Rename s/initialize/init. Update.
5630 (init_dependency_output): Move to after
5631 cpp_handle_options, the correct location temporally at least.
5632 (opt_comp): Move next to init (), its caller. Fix prototype.
5633 (init): Make "initialized" local scope.
5634 (cpp_create_reader): Always call init ().
5635 (cpp_start_read): Update.
5636 (output_deps): New function, broken out of cpp_finish.
5637 (cpp_finish): Break out output_deps.
5639 2001-01-07 Richard Henderson <rth@redhat.com>
5641 * collect2.c (COFF specific stuff): Revert 12-06 patch
5642 to prototype system functions.
5644 2001-01-07 Michael Hayes <mhayes@redhat.com>
5646 * hard-reg-set.h: Add multiple include guard.
5647 * basic-block.h (struct loop): Add `sink' field.
5648 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5649 (emit_iv_add_mult): Delete.
5650 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5651 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5652 (unroll_loop): Remove end_insert_before argument.
5653 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5654 (maybe_eliminate_biv_1): Likewise.
5655 (emit_iv_add_mult): Delete.
5656 (gen_add_mult, loop_regs_update): New.
5657 (loop_insn_emit_after, loop_insn_emit_before): New.
5658 (loop_insn_sink, loop_insn_sink_or_swim): New.
5659 (emit_iv_add_mult): Delete.
5660 (scan_loop): Set loop->sink.
5661 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5662 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5663 (maybe_eliminate_biv_1): Likewise.
5664 (maybe_eliminate_biv_1): Add basic block argument.
5665 * unroll.c (unroll_loop): Remove end_insert_before argument.
5666 (find_splittable_regs): Likewise.
5667 (find_splittable_regs): Use loop_insn_sink and its ilk.
5668 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5670 2001-01-07 Michael Hayes <mhayes@redhat.com>
5672 * loop.h (loop_insn_hoist): New prototype.
5673 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5674 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5675 (check_dbra_loop, load_mems): Likewise.
5676 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5677 (find_splittable_givs): Likewise.
5679 2001-01-07 Michael Hayes <mhayes@redhat.com>
5681 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5683 2001-01-07 Richard Henderson <rth@redhat.com>
5685 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5687 2001-01-07 Richard Henderson <rth@redhat.com>
5689 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5690 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5691 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5692 variant that handles a shared libgcc.
5693 (process_command): Always validate -{static,shared}-libgcc.
5694 (do_spec_1): New 'M' case.
5695 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5697 2001-01-07 Richard Henderson <rth@redhat.com>
5699 * Makefile.in (slibdir): New variable.
5700 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5701 (installdirs): Create slibdir.
5702 (install-libgcc, install-multilib): Defer to libgcc.mk.
5703 * configure.in (slibdir): Substitute.
5704 * mklibgcc.in (install): New target.
5706 * config/t-linux (SHLIB_LINK): Create links for the soname.
5707 (SHLIB_INSTALL): New.
5708 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5709 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5710 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5711 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5712 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5714 2001-01-07 Richard Henderson <rth@redhat.com>
5716 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5717 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5718 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5720 2001-01-07 Michael Hayes <mhayes@redhat.com>
5722 * loop.c (count_loop_regs_set): Delete.
5723 (load_mems_and_recount_loop_regs_set): Delete.
5724 (loop_regs_scan): Merge common code from count_loop_regs_set,
5725 scan_loop, and load_mems_and_recount_loop_regs_set.
5726 (scan_loop): Call load_mems directly and loop_regs_scan
5727 again if new registers created.
5729 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5731 * toplev.c (main): Call the front-end specific post_options
5732 hook if one is given.
5733 * toplev.h (struct_lang_hooks, lang_hooks): New.
5734 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5735 for the C front end.
5736 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5737 lang_hooks for the C++ front end.
5738 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5739 lang_hooks for the ObjC front end.
5740 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5741 * java/lang.c (lang_hooks): Hooks for the Java front end.
5743 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5745 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5746 for verbose DWARF[2] debugging.
5747 (cb_define, cb_undef): The new callbacks.
5748 * toplev.h (debug_define, debug_undef): Make const correct.
5749 * toplev.c (debug_define, debug_undef): Similarly. Do not
5750 perform the verbosity tests here anymore.
5752 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5754 * reload.c (subst_reloads): Take INSN argument. When
5755 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5756 * reload.h (subst_reloads): Adjust prototype.
5757 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5758 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5759 present in JUMP_INSNs and copy them to JUMP_LABEL.
5760 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5761 JUMP_INSNs and insns with REG_LABELs that are followed by
5762 JUMP_INSNs with the same REG_LABEL.
5763 * sched-rgn.c (is_cfg_nonregular): Likewise.
5764 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5766 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5768 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5770 2001-01-06 Richard Henderson <rth@redhat.com>
5772 * loop.c (scan_loop): Use xcalloc for the regs array.
5773 (load_mems_and_recount_loop_regs_set): Zero the new memory
5774 received from xrealloc.
5776 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5778 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5780 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5782 * integrate.c (copy_rtx_and_substitute): When copying
5783 an ignored return value, strip REG_FUNCTION_VALUE_P.
5785 2001-01-06 Michael Hayes <mhayes@redhat.com>
5787 * loop.c (debug_biv, debug_giv): New.
5788 (loop_biv_dump): Break out from ...
5789 (record_biv): ... here.
5790 (loop_giv_dump): Break out from ...
5791 (record_giv): ... here.
5792 (loop_bivs_check): Use print_simple_rtl.
5793 * unroll.c (loop_iterations): Use print_simple_rtl.
5795 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5797 * pa.md (return, return_internal): Modify patterns to prevent regrename
5798 mucking with the return pointer.
5800 2001-01-05 Richard Henderson <rth@redhat.com>
5802 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5804 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5806 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5807 version supplied by Matteo Frigo.
5809 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5811 * cpp.texi: Update for -MQ.
5812 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5813 (cpp_cleanup): Always free pfile->deps.
5814 (initialize_dependency_output): Don't create pfile->deps.
5815 (cpp_handle_option): Similarly.
5817 * gcc.c (cpp_options): Handle -MQ.
5818 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5819 * mkdeps.c (base_name): Remove.
5820 (deps_init): Don't allocate vector space until it's needed.
5821 (deps_free): Only free vectors if allocated.
5822 (deps_add_target, deps_add_dep): Update for initial allocation.
5823 (deps_add_default_target): Don't strip to the base_name.
5825 2001-01-05 DJ Delorie <dj@redhat.com>
5827 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5828 (INIT_EXPANDERS): Define.
5830 * config/v850/v850.c (struct machine_function): Define.
5831 (v850_save_machine_status): New function.
5832 (v850_restore_machine_status): New function.
5833 (v850_return_addr): New function.
5834 (v850_init_expanders): New function.
5836 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5837 and v850_init_expanders.
5839 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5841 * cpplib.h (struct cpp_reader): Add help_only field.
5842 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5843 (cpp_handle_option): Set pfile->help_only if we see -h,
5844 --help, -target-help, or --version. Print version string but
5845 do not set help_only if we see -v or -version. Make text
5846 printed by -v match that printed by (-)-version.
5848 * cppmain.c (main): Exit after option parsing if
5849 pfile->help_only is true.
5851 * toplev.c (independent_decode_option): Call print_version,
5852 then exit, if we see --version (but not -version).
5853 (print_version): Split lengthy message into two lines.
5855 2001-01-05 Nick Clifton <nickc@redhat.com>
5857 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5858 temporary string for initialisation before calling ggc_alloc_string.
5860 2001-01-06 Michael Hayes <mhayes@redhat.com>
5862 * rtl.h (print_simple_rtl): New.
5863 * print-rtl.c (print_simple_rtl): New.
5865 (print_rtx): Disable printing of flags and modes, etc.,
5866 if `flag_simple` nonzero.
5868 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5870 * function.c (fixup_var_refs): Use push_to_full_sequence where
5873 2001-01-05 Michael Meissner <meissner@redhat.com>
5875 * flags.h (flag_reorder_blocks): Add declaration.
5876 (flag_rename_block): Ditto.
5878 2001-01-05 DJ Delorie <dj@redhat.com>
5880 * function.c (reorder_blocks): Make sure the flags are all reset
5881 before using them to mark blocks, else a second invocation will
5882 corrupt the block chain.
5883 (reorder_blocks_0): New, resets the flags.
5885 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5887 * cse.c (find_comparison_args): Stop if the argument is known to
5890 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5892 * config/sh/sh.md (movdf): When splitting load into pair of
5893 registers, don't clobber the register used in the address too
5896 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5898 * varasm.c (mark_constant_pool): Improve initial comments.
5899 (mark_constants): Move marking of constants to mark_constant.
5900 (mark_constant): New function to recursively mark all constants
5901 referred to by a constant.
5903 2001-01-05 Catherine Moore <clm@redhat.com>
5905 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5907 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5909 * cp/lang-options.h: Bring comment in line with reality.
5910 * f/lang-options.h: Likewise.
5911 * java/lang-options.h: Likewise.
5912 * objc/lang-options.h: Likewise.
5913 * ch/lang-options.h: Likewise.
5914 * f/g77.texi: And update the manual.
5916 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5917 Denis Chertykov <denisc@overta.ru>
5919 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5920 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5921 * config/avr/avr.md (all peepholes that request a scratch register):
5922 Call it, FAIL the peephole if not safe (in interrupt functions).
5924 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5926 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5928 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5930 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5932 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5933 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5934 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5935 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5936 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5938 * extend.texi: Document these builtins.
5940 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5942 * c-common.c (lang_get_alias_set): Say we know nothing of
5943 VECTOR_TYPE aliasing.
5945 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5947 2001-01-05 Bruce Korb <bkorb@gnu.org>
5949 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5950 their x* equivalent versions for atexit-less systems
5951 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5952 systems (or any other system any more).
5954 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5956 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5957 output operands. Use arm_hard_register_operand for operand 4.
5958 (stmsi_postinc): Similarly.
5959 (ldmsi): Use arm_hard_register_operand for opernand 2.
5961 * arm.c (arm_hard_register_operand): New function.
5962 * arm-protos.h (arm_hard_register_operand): Prototype it.
5964 * arm.h (HARD_REGNO_RENAME_OK): Define.
5966 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5968 * simplify-rtx.c (cfc_args): add "unordered" field.
5969 (check_fold_consts): Set unordered field.
5970 (simplify_relational_operation): Simplify the unordered
5973 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5976 * emit-rtl.c (try_split): Fix code to mark labels.
5977 * jump.c (mark_jump_label): Make global.
5978 * rtl.h (mark_jump_label): Declare.
5980 * predict.c (estimate_probability): Handle unordred comparisons.
5982 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5984 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5985 * cppinit.c (initialize_dependency_output): Update.
5986 (cpp_finish): Output dummy targets for -MP.
5988 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5989 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5990 * gcc.c (cpp_options): Update to handle -MP.
5991 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5992 to quote only the default target.
5993 (deps_phony_targets): Insert a preceding newline. Rename from
5994 deps_dummy_targets for consistency.
5997 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5999 * calls.c (emit_library_call_value_1): Support
6000 INIT_CUMULATIVE_LIBCALL_ARGS.
6001 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6003 2001-01-04 Richard Henderson <rth@redhat.com>
6005 * c-decl.c (finish_struct): Detect flexible array members
6006 used in an inappropriate context.
6007 * c-typeck.c (really_start_incremental_init): Special case
6008 constructor_max_index for zero length arrays.
6009 (pop_init_level): Allow initialization of flexible array
6010 members. Deprecate initialization of zero length arrays.
6011 Don't issue missing initializer warning for flexible array
6012 members or zero length arrays.
6013 (process_init_element): Don't dereference null DECL_SIZE.
6014 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6015 Don't abort for empty constructors. Use size_binop
6016 (output_constructor): Add commentary regarding zero length
6017 array futures. Abort if we try to initialize an array of
6018 unspecified length with a non-empty constructor in the middle
6021 * extend.texi (Zero Length): Update and clarify documentation
6022 on static initialization.
6024 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6026 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6027 with more than 32767 words of local storage.
6029 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6031 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6032 for 'abs', 'labs', and 'fabs'.
6033 (c4x_expand_builtin): Likewise.
6034 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6036 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6038 * config/sh/sh.md (prget, prset): New insn types.
6039 (return delay slot): Dont' allow prset.
6040 (call, sfunc delay slot): Don't allow prget.
6041 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6042 for prset and prget.
6044 2001-01-05 Michael Hayes <mhayes@redhat.com>
6046 * loop.h (struct loop_reg): New.
6047 (struct loop_regs): Change to use array of `struct loop_reg'.
6048 * loop.c: Replace assortment of varrays with single regs array.
6049 (count_one_set): Delete may_not_move array argument
6050 and use regs array instead. All caller's changed.
6051 (count_loop_regs_set): Delete may_not_move and single_usage
6052 arguments and use regs array instead. All caller's changed.
6053 (find_single_use_in_loop): Replace usage array argument with pointer
6054 to regs structure. All caller's changed.
6055 (loop_optimize): Delete `moved_once' array.
6057 2001-01-05 Michael Hayes <mhayes@redhat.com>
6059 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6060 Use it instead of loop_info->has_call for scanning loop mems.
6061 (check_dbra_loop): Replace loop_info->has_call test with
6062 loop_info->has_nonconst_call.
6064 2000-01-04 Matthew Hiller <hiller@redhat.com>
6066 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6069 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6071 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6072 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6074 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6076 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6077 (flag_short_double, flag_short_wchar): Define.
6078 (c_common_nodes_and_builtins): Create many tree nodes shared
6079 between C and C++ here instead of in cp/decl.c and ...
6080 * c-decl.c (init_decl_processing): ... here.
6081 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6082 (flag_short_double, flag_short_wchar): Don't define.
6083 (record_builtin_type): New function.
6084 (build_void_list_node): New function.
6085 * c-common.h (flag_short_double, flag_short_wchar,
6086 record_builtin_type, build_void_list_node): Declare.
6088 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6090 * integrate.c (expand_inline_function): Don't put a virtual
6091 register into the reg map.
6093 * function.c (fixup_var_refs_1): If force_operand didn't put
6094 the address into the target, move it there.
6096 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6098 Special-case tree_decl/tree_list allocations.
6099 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6100 (OBJECT_SIZE): New macro.
6101 (NUM_EXTRA_ORDER): Likewise.
6102 (extra_order_size_table): New variable.
6103 (NUM_ORDERS): New macro.
6104 (objects_per_page_table): New variable.
6105 (object_size_table): New variable.
6106 (G.pages): Use NUM_ORDERS to bound the array.
6107 (G.page_tails): Likewise.
6108 (DIV_ROUND_UP): Remove.
6109 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6110 (alloc_page): Use OBJECT_SIZE.
6111 (size_lookup): Don't make it const.
6112 (ggc_alloc): Use OBJECT_SIZE.
6113 (ggc_set_mark): Likewise.
6114 (ggc_get_size): Likewise.
6115 (init_ggc): Set up the object_size_table, objects_per_page_table,
6116 and adjust size_lookup.
6117 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6118 (ggc_pop_context): Use NUM_ORDERS.
6119 (clear_marks): Likewise.
6120 (sweep_pages): Likewise.
6121 (poison_pages): Likewise.
6122 (ggc_print_statistics): Use OBJECT_SIZE.
6124 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6126 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6127 Only call array_size_for_constructor if last field and array type
6128 with no upper bound.
6130 2001-01-04 Philip Blundell <philb@gnu.org>
6132 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6133 from bit 31 downwards, if this requires no more insns.
6134 (count_insns_for_constant): New helper function for above.
6136 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6138 * gencodes.c (output_predicate_decls): Remove empty initializer.
6140 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6142 * tree.c (copy_node): Remove documentation about obstacks.
6143 (buidl1): Check that nobody tries to build 2-argument nodes this
6146 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6148 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6151 * gencodes.c (output_predicate_decls): Fill empty initializer
6154 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6156 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6157 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6159 (do_include): Handle missing headers like cpp0.
6160 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6161 paths with first include pathname. Don't strcat to uninitialized
6164 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6166 * regrename.c (regrename_optimize): Don't rename from frame pointer
6167 if frame_pointer_needed.
6168 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6169 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6170 (ia64_reorg): Use it instead of scheduling if ! optimize.
6171 (errata_emit_nops): Properly call asm_noperands.
6172 (ia64_sched_reorder): Finish cycle if we see an asm.
6173 (ia64_variable_issue): Clear scheduling state after asms.
6175 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6177 * cpp.texi: Update for -MT.
6178 * cppinit.c (initialize_dependency_output): Add a default
6179 target if none has been given already.
6180 (no_tgt, OPT_MT): New.
6181 (cpp_handle_option): Handle -MT. Update -M etc.
6182 * cpplib.h (struct cpp_options): Remove deps_target.
6183 * gcc.c (cpp_options): Handle -MT.
6184 * mkdeps.c (struct deps): Move from mkdeps.h.
6185 (deps_calc_target): Rename deps_add_default_target. Add a
6186 default target if none has been specified already.
6187 * mkdeps.h (struct deps): Move to mkdeps.c.
6188 (deps_calc_target): Rename deps_add_default_target.
6190 2000-01-03 Richard Henderson <rth@redhat.com>
6192 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6194 * c-typeck.c (push_init_level): Move checks for flexible array
6195 members and zero length arrays ...
6196 (pop_init_level): ... here. Silently discard empty initializations.
6198 * varasm.c (output_constructor): Update for sizeof change to
6201 * extend.texi (Zero Length): Clarify semantics.
6203 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6205 * configure.in (tm.h): Include isns-codes.h last.
6206 * configure: Rebuilt.
6208 2001-01-03 Richard Henderson <rth@redhat.com>
6210 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6211 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6213 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6215 * tradcpp.c (main): Make sure finclude() is called with a valid
6216 indepth value while handling -include.
6218 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6220 * gencodes.c (output_predicate_decls): New function.
6222 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6223 even if it is not the first time machmode.h is #included.
6224 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6225 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6226 * gcc.texi (Copyright): Added 2001.
6228 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6230 * c-common.c (c_common_lang_init): New function. Warn if format
6231 warning options which only have effects when used with -Wformat
6232 are used without -Wformat.
6233 * c-common.h (c_common_lang_init): Declare.
6234 * c-lang.c (lang_init): Call c_common_lang_init.
6235 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6237 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6239 * configure.in: Check for the mktemp command.
6240 * configure: Regenerate.
6241 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6242 $TEMP. Create temporary files with mktemp, if available at
6243 configure time; otherwise use set -C. Remove temporary files
6246 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6248 * configure.in: Require at least texinfo 4.0. Check for whether
6249 Pod::Man is sufficiently recent to regenerate GCC manpages.
6250 * configure: Regenerate.
6251 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6253 (GENERATED_MANPAGES): Define.
6254 (generated-manpages): New target. Depend on cpp.1 as well as
6256 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6257 configure to generated-manpages or empty) rather than on the
6258 manpages directly. Remove execute permission from installed
6259 gcov.1 as well as cpp.1.
6260 * cpp.1, gcov.1: Regenerate.
6262 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6264 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6265 tree_low_cst. Allow using cmpstrsi in more cases.
6267 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6269 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6272 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6274 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6275 * Makefile.in (HOST_CFLAGS): Mention build-make.
6277 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6279 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6282 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6284 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6287 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6290 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6291 reg_base_value and reg_known_value arrays.
6292 (init_alias_analysis): Add more cases to detect known values.
6293 * sched-deps.c (deps_may_trap_p): New function.
6294 (sched_analyze_2): Use it.
6296 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6298 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6299 don't discard an ASHIFTRT if we're shifting in a wider mode.
6301 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6303 * toplev.c (rest_of_compilation): Don't print basic block information
6304 when CFG isn't up to date.
6306 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6308 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6309 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6310 (UNALIGNED_SHORT_ASM_OP): Define.
6311 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6313 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6315 * fold-const.c (fold_convert): Fix typo.
6317 2001-01-02 Richard Henderson <rth@redhat.com>
6319 * c-common.h (ASM_INPUT_P): New.
6320 * c-parse.in (asm): Set it when needed.
6321 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6322 existance of an operand.
6324 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6326 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6327 (dwarf2out_frame_debug_expr): Likewise.
6328 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6330 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6332 * i386.c (ix86_split_to_parts): Return number of part required;
6334 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6336 (ix86_split_long_move): Use number of part returned
6337 by ix86_split_to_parts
6338 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6340 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6341 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6342 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6343 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6344 (ALIGN_MODE_128): Add TFmode.
6345 (IS_STACK_MODE): Likewise.
6346 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6347 (HARD_REGNO_OK): Support TFmodes.
6348 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6349 * i386.md (scheduler definitions): Use memory operand to determine
6350 fst/fld instructions; use mode attribute to determine real mode of
6352 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6353 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6355 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6357 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6359 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6361 * expr.c (store_constructor_field): Update ALIGN before calling
6364 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6366 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6369 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6371 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6374 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6376 * c-decl.c (start_function): Don't warn on third parameter to main.
6378 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6380 * tsystem.h: Define HAVE_DECL_GETOPT.
6382 2001-01-02 Philip Blundell <pb@futuretv.com>
6384 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6387 2001-01-02 Richard Henderson <rth@redhat.com>
6389 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6391 2001-01-02 Andreas Jaeger <aj@suse.de>
6393 * c-decl.c (c_decode_option): Remove support of
6396 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6397 (W_options): Add -Wmissing-noreturn here.
6399 * flow.c: Define lang_missing_noreturn_ok_p.
6400 (check_function_return_warnings): Use it.
6402 * c-common.h: Declare lang_missing_noreturn_ok_p.
6404 * c-lang.c (c_missing_noreturn_ok_p): New function.
6405 (lang_init): Set lang_missing_noreturn_ok_p.
6407 * invoke.texi (Warning Options): Document this.
6409 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6411 * extend.texi (C++ Extensions): New node for C++ attributes;
6412 describe init_priority and com_interface.
6413 * invoke.texi: Remove -finit-priority as it now has zero effect.
6414 * install.texi: Fix xref syntax.
6415 * md.texi: Likewise.
6417 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6419 * config.gcc (sparc64-wrs-vxworks*): New case.
6420 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6422 * config/sparc/sparc.c (sparc_override_options): Do support different
6423 pointer and architecture size.
6424 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6425 (POINTERS_EXTEND_UNSIGNED): Define.
6426 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6427 (FUNCTION_MODE): Define to be Pmode.
6428 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6430 * function.c (expand_function_end): Properly handle DECL_RESULT
6431 and copy when ptr_mode != Pmode.
6432 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6434 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6436 * c-common.c (c_common_nodes_and_builtins): Set prototype
6437 parameters for __builtin_fputs, __builtin_fputc and
6438 __builtin_fwrite. Don't declare plain fputc as a builtin.
6440 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6442 * loop.c (add_label_notes): Increment the label usage count when
6443 a note is added to an insn which refers to a CODE_LABEL.
6444 * gcse.c (add_label_notes): Likewise.
6446 2001-01-01 Andreas Jaeger <aj@suse.de>
6448 * loop.c (scan_loop): Use xmalloc to allocate movables.
6450 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6452 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6453 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6454 * reload1.c (REGISTER_MOVE_COST): Likewise.
6455 * regclass.c (REGISTER_MOVE_COST): Likewise.
6456 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6457 dimension. Adjust all users.
6458 (init_reg_sets_1): Iterate on all modes.
6459 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6460 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6461 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6462 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6463 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6464 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6465 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6466 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6467 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6468 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6469 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6470 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6471 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6472 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6473 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6474 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6475 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6476 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6477 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6478 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6479 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6480 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6481 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6482 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6483 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6484 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6485 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6487 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6489 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6490 arg VARIES_P. Call it with extra arg.
6491 (true_dependence): Likewise.
6492 * rtl.h (rtx_addr_can_trap_p): Declare.
6493 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6495 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6496 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6497 pic offset table register if it's zero. All callers changed.
6498 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6500 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6502 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6503 STRING_POOL_ADDRESS_P.
6505 * config/sparc/sparc.c (input_operand): Properly test for short op.
6507 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6508 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6509 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6510 * config/sparc/elf.h: No longer include sol2.h.
6511 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6512 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6514 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6516 2001-01-01 Michael Hayes <mhayes@redhat.com>
6518 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6519 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6520 (record_initial): Likewise.
6521 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6522 (remap_split_bivs): Likewise.
6524 2001-01-01 Michael Hayes <mhayes@redhat.com>
6526 * loop.c (loop_ivs_free): New function.
6527 (strength_reduce): Break out from...
6529 2001-01-01 Michael Hayes <mhayes@redhat.com>
6531 * loop.h (struct iv): New.
6532 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6533 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6534 'reg_biv_class' fields with 'regs' and 'n_regs'.
6535 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6536 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6537 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6539 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6541 * resource.c (mark_referenced_resources): Abort() before
6542 attempting to mark a pseudo register.
6543 (mark_set_resources): Likewise.
6545 2001-01-01 Michael Hayes <mhayes@redhat.com>
6547 * loop.h (REG_IV_CLASS): New accessor macro.
6548 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6549 * unroll.c (REG_IV_CLASS): Likewise.
6551 See ChangeLog.4 for earlier changes.
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