1 2001-04-30 Stan Shebs <shebs@apple.com>
3 * invoke.texi: Add a section documenting Objective-C options.
5 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
7 * emit-rtl.c (try_split): Copy EH notes to sequence.
9 2001-04-30 Mark Mitchell <mark@codesourcery.com>
11 * regmove.c (record_stack_memrefs): Catch all references to the
14 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
16 * Makefile.in(stmp-fixinc): quote shell assignment values
18 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
26 2001-04-28 Stan Shebs <shebs@apple.com>
28 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
29 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
30 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
31 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
33 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
34 (NEXT_OBJC_RUNTIME): Define.
36 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
38 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
39 * simplify-rtx.c (simplify_gen_relational): Likewise.
41 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
43 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
44 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
46 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
47 registers in SSE case; fix handling of the immediates.
48 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
49 operands to be in regsiters before reload.
50 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
51 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
52 (abstf,absxf,negtf,negxf splitters): Compute
53 properly the regnum for x86_64.
54 (avsdf2_if_rex64): New.
56 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
58 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
59 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
60 into the constant pool.
61 * jump.c (jump_optimize_1): Remove barrier successors after all
62 the LABEL_NUSES counds have been computed.
63 (delete_barrier_successors): When deleting a tablejump insn, also
64 delete the jump table it uses.
65 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
68 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
70 * pa.c (FRP): Remove erroneous white space in macro definition.
72 2001-04-28 Andreas Jaeger <aj@suse.de>
74 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
76 * extend.texi: Likewise.
79 2001-04-28 Andreas Jaeger <aj@suse.de>
81 * md.texi: Use XX-bit instead of XXbit or XX bit where
84 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
86 * gcc.c (process_command): Allow -l lib in addition to -llib
87 for POSIX compliance. This fixes PR c/2347.
89 * invoke.texi: Update section on Link Options accordingly.
91 2001-04-27 Zack Weinberg <zackw@stanford.edu>
93 * function.c (purge_addressof_1): Remove the duplicate
94 if (code == SET) block. Fold the two if (code == ADDRESSOF)
97 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
99 * except.c (expand_eh_region_start): Don't start a new block.
100 (expand_eh_region_end): Don't end a block.
101 * stmt.c (expand_end_bindings): Don't end EH blocks.
102 (expand_decl_cleanup): Starting an EH region won't change the block.
103 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
104 (is_eh_region): Lose.
107 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
109 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
111 * collect2.c (main): Add `-L' case to remove duplicate entries.
112 (is_in_args): New function to check for a duplicate argument.
113 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
114 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
115 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
116 Define to be nonzero.
118 2001-04-27 Andreas Jaeger <aj@suse.de>
119 Richard Henderson <rth@redhat.com>
121 * md.texi (Machine Constraints): Document additional i386
122 constraints and fix description of "A".
124 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
126 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
128 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
130 * except.c (get_exception_filter): word_mode, not Pmode.
132 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
134 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
135 common to other movsf patterns. Move up so that in future
136 people who change the other patterns will change it too.
137 (movsf_lo_sum): Allow even for soft-float; add appropriate
139 (movsf_high): Likewise.
140 (movsf_high+1): Allow even for soft-float.
142 * function.c (expand_function_end): Always clobber the
143 return registers, even if there is no return label.
145 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
147 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
149 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
151 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
152 (pushqi2_rex64, pushhi2_rex64): Add.
154 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
156 * except.c (expand_eh_region_end_cleanup): Force pending stack
157 adjust before emitting label that branches around cleanup code.
159 2001-04-26 H.J. Lu (hjl@gnu.org)
161 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
163 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
165 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
166 (ASM_OUTPUT_SECTION_NAME): Likewise.
167 (ASM_WEAKEN_LABEL): Likewise.
168 (UNIQUE_SECTION): Likewise.
169 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
170 (ASM_OUTPUT_DESTRUCTOR): Likewise.
171 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
172 (ASM_OUTPUT_SECTION_NAME): Likewise.
173 (ASM_WEAKEN_LABEL): Likewise.
174 (UNIQUE_SECTION): Likewise.
175 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
176 (ASM_OUTPUT_DESTRUCTOR): Likewise.
177 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
178 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
179 (ASM_FILE_START): Likewise.
180 (ASM_OUTPUT_SOURCE_LINE): Likewise.
181 (ASM_DECLARE_OBJECT_NAME): Likewise.
182 (ASM_FILE_END): Likewise.
183 (ASM_DECLARE_FUNCTION_NAME): Likewise.
184 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
185 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
186 (ASM_OUTPUT_CASE_LABEL): Likewise.
187 (ASM_OUTPUT_SKIP): Likewise.
188 (ASM_OUTPUT_ASCII): Likewise.
189 (ASM_OUTPUT_IDENT): Likewise.
190 (READONLY_DATA_SECTION): Likewise.
191 (EXTRA_SECTIONS): Likewise.
192 (EXTRA_SECTION_FUNCTIONS): Likewise.
193 (SELECT_RTX_SECTION): Likewise.
194 (SELECT_SECTION): Likewise.
196 * config/mips/linux.h (INVOKE__main): Undefine.
197 (CTOR_LIST_BEGIN): Likewise.
198 (CTOR_LIST_END): Likewise.
199 (DTOR_LIST_BEGIN): Likewise.
200 (DTOR_LIST_END): Likewise.
201 (SET_ASM_OP): Defined it to ".dummy".
202 (ASM_OUTPUT_DEF): Defined.
203 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
205 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
207 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
208 assembler supports .p2align.
210 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
212 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
214 2001-04-26 Jakub Jelinek <jakub@redhat.com>
216 * integrate.c (expand_inline_function): Check for error_mark_node
219 2001-04-26 Jakub Jelinek <jakub@redhat.com>
221 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
224 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
226 * configure.in (configargs.h): Define thread_model.
227 * configure: Rebuilt.
228 * gcc.c (main): Print it with -v.
230 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
232 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
233 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
236 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
238 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
239 is_redundant_typedef): Use static inline instead of inline static.
241 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
243 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
244 this directory is always searched.
246 2001-04-25 Richard Henderson <rth@redhat.com>
248 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
249 of registers to restore along non eh_return path.
251 2001-04-25 Jakub Jelinek <jakub@redhat.com>
253 * c-format.c (check_format_info_recurse): Handle
254 PLUS_EXPR for format string.
256 2001-04-25 Jakub Jelinek <jakub@redhat.com>
258 * config/ia64/ia64.h (CC1_SPEC): Define.
259 * config/ia64/linux.h (CC1_SPEC): Define.
261 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
263 * emit-rtl.c (constant_subword): Also do sign extension in
264 BITS_PER_WORD == 16 case.
266 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
268 * loop.c (try_swap_copy_prop): Go back to checking insn.
270 2001-04-25 Jakub Jelinek <jakub@redhat.com>
272 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
273 if check_mode is non-zero.
275 2001-04-25 Jakub Jelinek <jakub@redhat.com>
277 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
278 out and comparison sequence has been detected, put result into
279 proper temporary pseudo.
281 2001-04-24 Zack Weinberg <zackw@stanford.edu>
283 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
284 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
285 * libgcc2.c: Remove __dummy and __builtin_saveregs.
286 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
287 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
288 for future reference.
290 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
292 * except.c (reachable_handlers): Step out one level from a RESX.
294 * except.c (struct eh_region): Rename 'last' to 'resume'.
295 (mark_eh_region, duplicate_eh_region_1): Adjust.
296 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
297 (build_post_landing_pads): Likewise.
298 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
299 (expand_eh_region_end_must_not_throw): Likewise.
300 (connect_post_landing_pads): Thread (only) regions with non-deleted
303 * except.c (expand_eh_region_end_cleanup): Save the EH return data
304 registers around the cleanup.
305 (get_exception_filter): New fn.
306 (finish_eh_generation): Use it.
308 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
310 * c-semantics.c (add_scope_stmt): Don't call
311 current_scope_stmt_stack multiple times.
313 2001-04-24 Zack Weinberg <zackw@stanford.edu>
314 Nathan Sidwell <nathan@codesourcery.com>
316 Lazy __FUNCTION__ generation.
317 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
318 RID_C99_FUNCTION_NAME): New _RIDs.
319 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
320 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
321 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
323 (function_id_node, pretty_function_id_node, func_id_node): Remove.
324 (c99_function_name_decl_node, function_name_decl_node,
325 pretty_function_name_decl_node, saved_function_name_decls):
327 (struct language_function): Remove x_function_name_declared_p.
328 (make_fname_decl): Remove a parameter.
329 (declare_function_names): Remove prototype.
330 (start_fname_decls, finish_fname_decls): Prototype.
331 (fname_as_string): Likewise.
332 (fname_string, fname_decl): Likewise.
333 * c-common.c (make_fname_decl): Adjust.
334 (struct fname_var_t): New struct.
335 (fname_vars): New static array.
336 (declare_function_name): Remove.
337 (start_fname_decls, finish_fname_decls): New functions.
338 (fname_as_string): New function from remnants of
339 declare_function_name.
340 (fname_string, fname_decl): New functions.
342 * c-decl.c (c_function_name_declared_p): Remove.
343 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
344 don't call declare_function_name. Call start_fname_decls.
345 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
346 clobber the line number. Call finish_decl.
347 (start_function): Call start_fname_decls.
348 (finish_function): Call finish_fname_decls.
349 Remove c_function_name_declared_p.
350 (push_c_function_context): Don't push c_function_name_declared_p.
351 (pop_c_function_context): Don't pop c_function_name_declared_p.
352 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
353 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
354 (program): Call finish_fname_decls for C.
355 (primary): Add VAR_FUNC_NAME.
356 (reswords): Add slots for __FUNCTION__ et al.
357 (rid_to_yy): Add mappings for __FUNCTION__ et al.
358 (yylexname): If it's a STRING_FUNC_NAME generate the function name
359 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
360 * c-semantics.c (prune_unused_decls): Remove.
361 (finish_stmt_tree): Don't call prune_unused_decls.
362 (genrtl_decl_stmt): Don't prune unused decls here.
364 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
366 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
367 constant pool, use the pool's SYMBOL_REF instead.
369 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
372 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
374 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
375 passing nested NOP_EXPRs to fold.
377 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
379 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
381 2001-04-22 Mark Mitchell <mark@codesourcery.com>
383 * loop.c (loop_delete_insns): Add prototype.
385 2001-04-23 Phil Edwards <pme@sources.redhat.com>
387 * configure.in: Remove ENABLE_STD_NAMESPACE.
388 * config.in: Regenerated.
389 * configure: Regenerated.
391 2001-04-22 Stan Shebs <shebs@apple.com>
393 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
395 * config/rs6000/xm-darwin.h: Remove file.
397 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
399 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
400 (write_c_file_stat): Likewise.
402 * dbxout.c (dbxout_init): Likewise.
404 * profile.c (output_func_start_profiler): Likewise.
406 2001-04-22 Philipp Thomas <pthomas@suse.de>
408 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
409 require it instead of the CVS version.
410 * cpperror.c (v_message): Put a blank before the macro
411 body to not confuse exgettext.
413 2001-04-21 Mark Mitchell <mark@codesourcery.com>
415 * flow.c (proagate_one_insn): Remove useless assignment.
416 * jump.c (delete_insn): Tidy.
417 * loop.c (try_copy_prop): When deleting an instruction with a
418 REG_RETVAL note, delete the entire libcall sequence.
419 (loop_delete_insns): New function.
420 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
421 we're not substituting into them yet.
423 2001-04-21 Kazu Hirata <kazu@hxi.com>
425 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
427 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
429 * config/i960/i960.c (signed_arith_operand): Likewise.
431 * calls.c (expand_call): Fix a comment typo.
433 2001-04-20 Zack Weinberg <zackw@stanford.edu>
435 * configure.in: Probe for times, clock, struct tms, and clock_t.
436 * configure, config.in: Regenerate.
437 * timevar.c: Replace ifdef forest in get_time with (relatively)
438 straightforward series of checks based on autoconf's probes.
440 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
442 * config/pa/som.h (NM_FLAGS): Define.
444 2001-04-20 Bernd Schmidt <bernds@redhat.com>
446 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
448 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
449 * ia64.c (nop_cycles_until): New function.
450 (prev_cycle, prev_first, last_issued): New static variables.
451 (ia64_sched_reorder): Additional arg for clock.
452 On final scheduling pass, emit extra NOPs as needed.
453 Set prev_first and prev_cycle.
454 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
455 (ia64_variable_issue): Set last_issued.
457 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
459 * config/i386/i386.c (ix86_expand_int_movcc,
460 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
462 2001-04-20 Geoff Keating <geoffk@redhat.com>
464 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
465 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
466 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
467 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
468 ctrdi_internal6): In the short-branch case, this insn is only 4
469 bytes long. Reported by Reza Yazdani <reza@apple.com>.
471 2001-04-20 Jakub Jelinek <jakub@redhat.com>
473 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
474 "=u" is used together with "st" resp. "st(1)" clobber.
476 2001-04-20 Jakub Jelinek <jakub@redhat.com>
478 * gcse.c (gcse_main): Fix comment typo.
479 (delete_null_pointer_check): Likewise.
480 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
481 * cse.c (cse_insn): Likewise.
482 * function.c (fixup_var_refs_insns_with_hash): The sequence is
485 2001-04-19 Zack Weinberg <zackw@stanford.edu>
487 * toplev.c: Excise all code for the undocumented -dm option.
488 (float_signal): Call signal just once, unconditionally.
490 2001-04-19 Geoff Keating <geoffk@redhat.com>
492 * fold-const.c (fold): Use first_rtl_op rather than
493 TREE_CODE_LENGTH when looping over parameters of a tree.
494 Correct strange grouping in test for evaluated SAVE_EXPR.
496 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
498 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
499 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
501 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
502 name at 32 total characters.
503 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
504 functions in named sections -- data items can still go into unique
505 sections, but they have normal names (ie $LIT$ and $DATA$).
507 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
510 2001-04-19 DJ Delorie <dj@redhat.com>
512 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
513 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
514 * config/i386/cygwin.h: Likewise.
515 * config/i386/mingw32.h: Likewise.
516 * config/vax/vms.h: Likewise.
517 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
519 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
520 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
521 * config/i386/xm-cygwin.h: Likewise.
522 * config/i386/xm-djgpp.h: Likewise.
523 * config/i386/xm-mingw32.h: Likewise.
524 * config/vax/xm-vms.h: Likewise.
526 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
527 instead of OBJECT_SUFFIX.
528 * collect2.c (find_a_file): Look for files matching the extension
529 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
530 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
531 TARGET_EXECUTABLE_SUFFIX.
532 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
533 (make_relative_prefix): Likewise.
534 (convert_filename): Use TARGET_ suffixes throughout. Remove
536 (process_command): Likewise.
537 (do_spec_1): Likewise.
538 * java/lang.c (init_parse): Likewise.
540 * gcc.texi : Document four new options matching the pattern
541 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
542 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
543 documentation for NO_AUTO_EXE_SUFFIX.
545 2001-04-19 Mark Mitchell <mark@codesourcery.com>
547 * toplev.h (struct lang_hooks): Allow decode_option to indicate
548 that language-independent processing should not be done.
549 * toplev.c (main): Adjust accordingly.
551 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
552 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
554 * mips.md (reload_outputdi): Require that operand0 be a
557 2001-04-19 Jakub Jelinek <jakub@redhat.com>
559 * invoke.texi (-Wshadow): Clarify.
561 2001-04-18 Mark Mitchell <mark@codesourcery.com>
563 * loop.c (load_mems): Examine all the instructions in the loop
564 before concluding that all jumps branch to the first instruction
567 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
569 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
571 2001-04-18 Jakub Jelinek <jakub@redhat.com>
573 * cpp.texi (-Wwhite-space): Remove.
574 (-Wall): -Wall does not imply -Wwhite-space.
576 2001-04-17 Zack Weinberg <zackw@stanford.edu>
578 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
579 use it instead of blindly generating a .stabs.
580 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
582 * xcoffout.c: Don't bother defining default for N_CATCH.
583 (UNKNOWN_STAB): Use internal_error.
584 (stab_to_sclass): Remove now-unnecessary aborts.
585 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
587 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
589 * jump.c (mark_all_labels): Canonicalize the tail recursion
590 label attached to CALL_PLACEHOLDER insns.
592 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
594 * output.h (dump_flow_info, free_basic_block_vars,
595 which_alternative): Delete redundant prototypes.
597 * rtl.h (bss_section): Likewise.
599 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
601 * dbxout.c (N_OPT): Define if not available from <stab.h>
603 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
605 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
606 libraries and native K&R compilers.
608 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
610 * c-typeck.c (convert_arguments): Don't check for width changes
613 * invoke.texi (-Wtraditional): Update documentation.
615 2001-04-16 Zack Weinberg <zackw@stanford.edu>
617 * toplev.c (output_lang_identify): Delete.
618 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
619 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
620 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
621 after calling ASM_FILE_END.
623 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
624 Instead, unconditionally emit an N_OPT stab with string equal
625 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
627 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
629 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
630 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
631 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
632 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
633 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
634 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
635 config/i370/i370.h, config/i386/beos-elf.h,
636 config/i386/osf1elf.h, config/i386/osfrose.h,
637 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
638 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
639 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
640 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
641 config/mips/iris6.h, config/mips/osfrose.h,
642 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
643 config/sparc/sp64-elf.h:
644 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
645 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
647 * config/elfos.h, config/freebsd.h, config/linux.h,
648 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
649 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
650 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
651 of ASM_FILE_START which merely emit a .version directive. Delete
652 definitions of ASM_FILE_END which merely emit an .ident directive.
654 * config/avr/avr.h, config/vax/vax.h: Delete definition of
655 ASM_IDENTIFY_GCC and move part of its logic into
658 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
659 config/sparc/linux-aout.h: Don't emit .version directive in
662 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
663 (output_file_start): Correct comment.
665 * config/i386/osfrose.h: Don't emit trailing .ident directive.
666 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
668 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
669 * config/rs6000/aix.h: Correct comment.
671 * config/i386/i386afe.h: Delete.
672 * config.gcc: Remove references to i386afe.h.
674 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
675 other macros deleted by this patch were undocumented.
677 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
679 * pa.md (reload_outdi): Operand 0 must be a non hard register.
681 * pa.c (secondary_reload_class): SAR<->FP copies require a
684 * install.texi (mips-mips-bsd): Update list of functions
685 required to include memmove.
686 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
687 used functions to include memmove.
689 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
691 * i386.md (sqrtdf2): SFmode should be DFmode.
693 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
695 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
696 (find_moveable_store): Likewise.
698 2001-04-15 Jim Wilson <wilson@redhat.com>
700 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
702 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
704 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
705 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
707 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
709 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
712 2001-04-14 Alan Modra <amodra@one.net.au>
714 * pa.c (force_mode): New function.
715 (emit_move_sequence): Use it instead of generating new rtx_REGs.
717 2001-04-13 Jim Wilson <wilson@redhat.com>
719 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
720 (first_instruction): New static variable.
721 (rtx_needs_barrier): Return 1 for alloc.
722 (init_insn_group_barriers): Set first_instruction.
723 (rws_sum): Delete duplicate definition.
724 (group_barrier_needed_p): Return 0 when first_instruction true.
725 (safe_group_barrier_needed_p): Save and restore first_instruction
726 around group_barrier_needed_p call.
728 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
730 * expr.h (enum libfunc_index): Add LTI_memmove.
731 (memmove_libfunc): Define macro.
732 * optabs.c (init_optabs): Initialize memmove_libfunc.
733 * expr.c (expand_assignment): Use memmove_libfunc instead of
736 2001-04-13 Alan Modra <alan@linuxcare.com.au>
738 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
741 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
743 * Makefile.in (reg-stack.o): Depend on reload.h.
744 (insn-attrtab.o): Depend on flags.h.
746 * genattrtab (main): Include flags.h in insn-attrtab.c.
748 * reg-stack.c: Include reload.h.
750 * sparc.h (flag_pic): Delete redundant declaration.
752 * output.h (flag_pic): Likewise.
754 * tree.h (pedantic): Likewise.
756 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
758 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
760 * jump.c, regmove.c, toplev.c: Include reload.h.
762 * reload.h (reload_cse_regs): Declare.
764 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
765 reload_cse_regs, init_reload, mark_home_live, reload,
766 init_caller_save): Delete redundant prototypes.
768 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
770 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
772 * regclass.c, ssa.c: Include expr.h.
774 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
775 gen_move_insn): Delete redundant declarations.
777 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
779 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
780 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
781 MAKEINFO and MAKEINFOFLAGS too.
782 (stage4_build): Correctly order -B flags.
784 2001-04-13 Alan Modra <amodra@one.net.au>
786 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
787 PIC_OFFSET_TABLE_SAVE_RTX.
788 (zdepi_cint_p): Describe zdepi insn.
789 Formatting and white space fixes throughout file.
791 * pa.c (uint32_operand): Don't use long constant >= 2^32.
792 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
793 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
794 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
795 (output_64bit_and): Use plain `int's for shift counts.
796 (output_64bit_ior): Likewise.
797 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
798 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
801 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
802 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
803 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
804 NEW_HP_ASSEMBLER into one. Kill warnings.
806 * pa-gas.h: Delete file.
807 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
808 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
809 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
810 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
812 * config/pa/mill32.S: New file.
813 * config/pa/mill64.S: New file.
814 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
815 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
816 * config/pa/t-linux64: New file.
817 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
818 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
819 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
821 * elfos.h (SELECT_SECTION): Undef before defining.
822 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
823 (LIB_SPEC): Remove -lmilli.
824 (DBX_REGISTER_NUMBER): Remove.
825 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
826 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
827 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
828 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
829 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
830 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
831 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
833 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
834 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
835 regs if we don't have a prototype.
836 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
837 * pa.h (TARGET_ELF32): Default to 0 if undefined.
838 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
839 EH_RETURN_HANDLER_RTX): Define.
840 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
841 (DWARF_FRAME_REGNUM): Define.
842 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
843 * pa32-linux.h: New file.
844 * pa64-linux.h: New file.
846 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
847 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
848 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
849 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
850 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
851 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
852 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
853 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
854 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
855 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
856 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
857 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
858 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
859 * pa64-hpux.h: New file.
860 (ASM_FILE_START): Correct typo.
861 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
862 * config.gcc: Modify for above.
864 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
866 * jump.c (jump_optimize_1): Don't delete dead stores here.
867 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
868 prior to running jump optimize before cse2.
870 2001-04-12 Richard Henderson <rth@redhat.com>
872 * Makefile.in (regmove.o): Depend on except.h.
873 * regmove.c: Include it.
875 2001-04-12 Stan Shebs <shebs@apple.com>
877 * objc/objc-act.c: Remove all code ifdefed with the never-used
878 macro OBJC_INT_SELECTORS.
879 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
880 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
882 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
884 * config/pa/quadlib.c: Add prototypes.
886 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
888 * bitmap.h (debug_bitmap): Delete redundant prototype.
890 * rtl.h (get_frame_size): Likewise.
892 2001-04-12 Jim Wilson <wilson@redhat.com>
894 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
895 to just emit an fnorm.
897 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
899 * c-common.h (truthvalue_conversion, type_for_mode,
900 type_for_size): Delete redundant declarations.
902 * c-lex.h (is_class_name): Likewise.
904 * c-tree.h (pedantic, convert, getdecls, gettags,
905 global_bindings_p, init_decl_processing, insert_block,
906 maybe_build_cleanup, poplevel, print_lang_decl,
907 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
908 set_block, incomplete_type_error, build_function_call,
909 lvalue_or_else, mark_addressable): Likewise.
911 * expr.h (expand_tree_builtin): Likewise.
913 2001-04-12 Mark Mitchell <mark@codesourcery.com>
915 * invoke.texi: Document --param max-gcse-memory.
917 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
919 * configure.in (errno): Check for declaration.
920 * configure, config.in: Regenerated.
922 * system.h (errno): Only declare if not already done.
924 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
926 * recog.c (general_operand, immediate_operand,
927 nonmemory_operand): Require CONST_INTs to be sign-extended
928 values for their modes.
930 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
932 * expmed.c (store_bit_field): Truncate CONST_INTs.
933 (expand_mult_highpart, expand_divmod): Likewise.
934 * expr.c (convert_modes, store_field): Likewise.
935 * integrate.c (expand_inline_function): Use promote_mode() to
936 determine whether to convert_modes() an argument as signed
938 * optabs.c (expand_binop): Get CONST_INT operands
939 sign-extended for their appropriate modes.
940 * stmt.c (emit_case_nodes): Convert node values to the
942 (expand_end_case): Convert minval and range to the appropriate
944 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
945 the iteration variable.
946 * varasm.c (immed_double_const): Don't require words to be
947 narrower than host wide ints to properly sign-extend
950 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
952 * sh.md (builtin_setjmp_receiver): New expander.
954 2001-04-12 David Edelsohn <dje@watson.ibm.com>
956 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
957 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
958 for generating CONST_INT and CONST_DOUBLE.
960 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
962 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
963 already sign-extended.
964 (rs6000_emit_prologue): Make register iterator signed.
965 (rs6000_emit_epilogue): Likewise.
966 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
968 (movsf split, movdf split): Sign-extend CONST_INTs.
969 (movdi splits): Likewise.
971 2001-04-12 Kelley Cook <kelley.cook@home.com>
973 * config-lang.in (lang_dirs): Add in zlib.
975 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
977 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
978 operands that make it to RTL.
980 2001-04-11 Stan Shebs <shebs@apple.com>
982 Add Darwin (Mac OS X kernel) native support.
983 * config.gcc (powerpc-*-darwin*): Add native bits.
984 * config/darwin.c: New file, generic Darwin support functions.
985 * config/darwin.h: New file, generic Darwin definitions.
986 * config/darwin-protos.h: New file, generic Darwin prototypes.
987 * rs6000/darwin.h: New file, Darwin for PowerPC.
988 * rs6000/t-darwin: New file, Darwin makefile fragment.
989 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
990 (TARGET_MACHO): Ditto.
991 (rs6000_abi): Add ABI_DARWIN.
992 (RS6000_REG_SAVE): Add ABI_DARWIN case.
993 (RS6000_SAVE_AREA): Ditto.
994 (FP_ARG_MAX_REG): Ditto.
995 (RETURN_ADDRESS_OFFSET): Ditto.
996 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
998 (rs6000_emit_move): Add ABI_DARWIN cases.
999 (print_operand): Ditto.
1000 (first_reg_to_save): Ditto.
1001 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1002 (debug_stack_info): Ditto.
1003 (rs6000_emit_prologue): Ditto.
1004 (rs6000_emit_epilogue): Ditto.
1005 (output_profiler_hook): Ditto.
1006 (output_function_profiler): Ditto.
1007 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1008 (output_mi_thunk): Add TARGET_MACHO case.
1009 (add_compiler_stub): Ditto.
1010 (output_compiler_stub): Ditto.
1011 (no_previous_def): Ditto.
1012 (output_call): Ditto.
1013 (machopic_output_stub): Ditto.
1014 (rs6000_machopic_legitimize_pic_address): Ditto.
1015 (toc_section): Ditto.
1016 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1017 (macho_high): Ditto.
1020 (load_macho_picbase): Ditto.
1021 (call): Add TARGET_MACHO case to modify function.
1022 (call_value): Ditto.
1023 (call_nonlocal_sysv): Add ABI_DARWIN case.
1024 (call_value_nonlocal_sysv): Ditto.
1025 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1027 (machopic_output_stub): Ditto.
1028 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1030 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1032 * dwarf2out.c (modified_type_die): Don't create new types here.
1033 * tree.h (get_qualified_type): New function.
1034 (build_qualified_type): Adjust comment.
1035 * tree.c (get_qualified_type): New function.
1036 (build_qualified_type): Use it.
1038 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1040 * cpp.texi (-Wtraditional): Update description.
1042 * invoke.texi (-Wtraditional): Likewise.
1044 2001-04-11 Jim Wilson <wilson@redhat.com>
1046 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1047 requires more than 64 bits of alignment.
1049 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1051 * cpplib.c (do_line): Sanity check iff enable checking.
1053 2001-04-11 Richard Henderson <rth@redhat.com>
1055 * Makefile.in (insn-recog.o): Depend on toplev.h.
1056 (insn-emit.o, doloop.o): Likewise.
1057 * genrecog.c, genemit.c: Include toplev.h in generated file.
1058 * doloop.c: Include toplev.h.
1060 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1062 * Makefile.in (gcse.o): Depend on params.h.
1063 * gcse.c: Include params.h.
1064 (gcse_main): Don't do GCSE if doing so will take inordinate
1066 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1067 * params.h (MAX_GCSE_MEMORY): New macro.
1069 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1071 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1073 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1075 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1077 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1079 * real.h (ereal_atof, real_value_truncate, target_isnan,
1080 target_isinf, target_negative, assemble_real, debug_real): Delete
1081 redundant prototypes.
1083 * Makefile.in (ifcvt.o): Depend on toplev.h.
1085 * c-semantics.c: Include expr.h.
1087 * ifcvt.c: Include toplev.h.
1089 * expr.h (rtx_equal_p): Delete prototype.
1091 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1092 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1093 eliminate_constant_term, expand_complex_abs, find_single_use,
1094 make_tree, init_expr_once, init_optabs, supports_one_only):
1097 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1098 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1099 expand_assignment, store_expr, emit_line_note_after,
1100 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1102 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1104 * sparc-protos.h: Delete redundant prototypes.
1106 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1108 * reload.c (push_reload): Add condition missed in SUBREG byte
1111 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1113 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1115 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1117 * i386.md (floatsisf_sse): Fix output template
1118 * i386.c (ix86_expand_fp_movcc)
1120 * reg-stack.c (emit_pop_insn): Handle complex modes.
1121 (move_for_stack_reg): Emit proper move mode.
1122 (subst_stack_regs_pat): Handle complex modes.
1124 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1126 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1128 2001-04-10 Richard Henderson <rth@redhat.com>
1130 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1131 (__pure_virtual, __terminate, __terminate_set_func,
1132 __default_terminate, __throw_type_match, __empty,
1133 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1134 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1135 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1136 Remove prototypes of deleted functions.
1138 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1140 * c-typeck.c (convert_arguments): -Wtraditional now activates
1141 -Wconversion warnings, except for changes in signed-ness.
1142 Detect complex<->int & int<->complex conversions as well.
1144 * invoke.texi (-Wtraditional): Document it.
1146 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1148 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1149 * flow.c (set_block_for_new_insns): Remove needless cast and
1150 properly check for unset block number.
1152 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1154 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1155 the subreg was a hard register. Pseudos are left as subregs.
1157 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1159 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1160 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1161 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1162 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1163 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1165 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1167 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1169 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1171 * output.h (set_block_num): Missed it earlier, remove deprecated
1174 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1176 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1177 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1178 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1179 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1180 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1181 (expr_killed_p): Change bb parameter from int to basic_block, pass
1182 basic_blocks instead of ints as parameters.
1183 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1184 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1185 from int to basic_block, pass basic_blocks instead of ints as parms.
1186 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1187 parameter from int to basic_block, pass basic_blocks instead of ints.
1188 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1189 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1190 pass basic_blocks instead of ints.
1191 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1192 basic_blocks instead of ints as parameters.
1193 (pre_delete): Pass basic_blocks instead of ints as parameters.
1194 (hoist_expr_reaches_here_p): Change bb parameter from int to
1195 basic_block, pass basic_blocks instead of ints.
1196 (hoist_code): Pass basic_blocks instead of ints as parameters.
1197 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1198 Change bb parameter from int to basic_block.
1199 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1200 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1201 pass basic_blocks instead of ints.
1202 (insert_store): Pass basic_blocks instead of ints as parameters.
1203 (replace_store_insn, delete_store): Change bb parameter from int to
1204 basic_block, pass basic_blocks instead of ints.
1205 (store_motion): Pass basic_blocks instead of ints as parameters.
1207 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1209 * basic-block.h (set_new_block_for_insns): New Prototype.
1210 (set_block_num): Delete prototype.
1211 * flow.c (set_block_num): Remove obsolete function.
1212 (set_block_for_new_insns): Set BB for single or multiple insns.
1213 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1214 (process_insn_end_bb): Use set_block_for_new_insns or
1215 set_block_for_insn instead of set_block_num.
1216 (pre_insert_copy_insn): Use set_block_for_new_insns.
1217 (update_ld_motion_stores): Use set_block_for_new_insns.
1218 (insert_insn_start_bb): Use set_block_for_new_insns.
1219 (replace_store_insn): Use set_block_for_new_insns.
1221 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1222 Jeff Law <law@redhat.com>
1224 * alias.c (get_addr): Externalize.
1225 (canon_true_dependence): New function. Behaves like true_dependance
1226 except it already assumes a MEM has been canonicalized.
1227 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1228 * gcse.c (struct ls_expr): Add load/store expressions structure.
1229 (modify_mem_list, canon_modify_mem_list): New variable.
1230 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1231 load motion and store motion if requested.
1232 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1233 (free_gcse_mem): Free the modify_mem_list array.
1234 (oprs_unchanged_p): Use load_killed_in_block_p.
1235 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1236 (mems_conflict_for_gcse_p): New function. Don't kill loads
1237 with stores to themselves if its in the load/store expression list.
1238 (load_killed_in_block_p): New function.
1239 (canon_list_insert): New Function.
1240 (record_last_mem_set_info): Keep a list of all instructions which
1241 can modify memory for each basic block.
1242 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1243 (oprs_not_set_p): Use load_killed_in_block_p.
1244 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1245 (expr_killed_p): Use load_killed_in_block_p.
1246 (compute_transp): Do not pessimize memory references.
1247 (pre_edge_insert): Update stores for a load motion expression.
1248 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1249 (ldst_entry): Find or create a ldst_expr structure.
1250 (free_ldst_entry): Free memory for an individual item.
1251 (free_ldst_mems): Free entire load/store expression list.
1252 (print_ldst_list): Print debug info.
1253 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1254 (enumerate_ldsts): Assign integer values to each entry in list.
1255 (first_ls_expr): First expression in the list.
1256 (next_ls_expr): Next expression in the list.
1257 (simple_mem): Check if expression qualifies for ld/st expression list.
1258 (invalidate_any_buried_refs): Remove from expression list if its
1259 used in some other way we dont understand.
1260 (compute_ld_motion_mems): Find all potential enhanced load motion
1262 (trim_ld_motion_mems): Remove any expressions which are invalid.
1263 (update_ld_motion_stores): Copy store values to registers for loads
1264 which have been moved.
1265 (regvec, st_antloc, num_store): New global statics.
1266 (reg_set_info): Marks registers as set.
1267 (store_ops_ok): Verfies registers expressions are valid in a block.
1268 (find_moveable_store): Look for moveable stores in a pattern.
1269 (compute_store_table): Find stores in a function worth moving, maybe.
1270 (load_kills_store): Check dependance of a load and store.
1271 (find_loads): Find any loads in a pattern.
1272 (store_killed_in_insn): Check if a store is killed in an insn.
1273 (store_killed_after): Check is store killed after an insn in a block.
1274 (store_killed_before): Check is store killed before an insn in a block.
1275 (build_store_vectors): Generate the antic and avail vectors.
1276 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1277 (insert_store): Add a store to an edge.
1278 (replace_store_insn): Replace a store with a SET insn.
1279 (delete_store): Delete a store insn.
1280 (free_store_memory): Free memory.
1281 (store_motion): Perform store motion.
1282 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1283 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1284 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1285 (f_options): Add gcse-lm and gcse-sm.
1287 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1289 * i386.c (expand_fp_movcc): Fix condition reversal code.
1291 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1292 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1293 (CLASS_MAX_NREGS): Use it.
1295 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1296 handle properly complex values.
1297 (CLASS_MAX_NREGS): Likewise; update comment.
1299 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1301 * ia64.c (ia64_flag_schedule_insns2): New variable.
1302 (ia64_override_options): Initialize it. Clear
1303 flag_schedule_insns_after_reload.
1304 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1306 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1308 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1309 Do not require source to match destination anymore;
1310 Add abort to the nontrivial cases that should be handled by split.
1311 (fix_trunc?fdi): Add SSE case for x86_64.
1312 (floatdi?f): Likewise.
1313 (floatdi?f_sse): New.
1314 (fix_trunc?fdi_sse): New.
1316 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1318 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1319 (DEBUG_ARANGES_END_LABEL): Ditto.
1320 (dwarfout_init): Generate length and version fields at the start
1321 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1322 after the length field.
1323 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1324 the .debug_aranges info.
1326 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1328 * i386.c (call, call_value): Make sure that resulting call_insn
1329 does have proper second operand.
1331 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1333 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1334 function. Remove include of sys/cygwin.h.
1336 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1338 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1339 (CPP_SPEC): Always search */include/w32api for header files.
1340 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1341 (LINK_SPEC): Add "cyg" to the library search prefixes.
1343 2001-04-08 Philip Blundell <philb@gnu.org>
1345 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1347 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1349 * cpperror.c (print_location): Don't special case <stdin>.
1350 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1351 WARNING, but we don't check if we're in system headers.
1352 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1353 * cpplib.c (do_warning): Warn in system headers.
1355 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1357 * mbchar.c: Include config.h first.
1359 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1361 * config.gcc: Set default for xmake_file at top, not bottom.
1362 Change places that set xmake_file to "none" to set to the
1363 empty string instead, or remove them entirely if there is no
1364 default xmake_file for this cpu_type. Remove references to
1367 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1368 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1369 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1370 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1371 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1372 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1373 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1374 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1375 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1376 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1379 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1380 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1381 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1382 config/mips/x-sysv, config/rs6000/x-aix31:
1383 Just set CLIB to -lld or -lmld, as appropriate.
1385 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1386 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1387 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1388 config/mips/x-iris, config/pa/x-pa:
1389 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1390 OTHER_FIXINCLUDES_DIRS.
1392 * config/i386/x-djgpp: Don't set LN or LN_S.
1393 * config/m88k/x-dolph: Don't define __m88k__.
1394 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1395 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1396 * config/i860/fx2800.h: No need to #undef SVR4.
1398 38 x-host fragments remain, 2 x-cpu.
1400 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1402 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1404 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1406 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1408 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1410 * configure.in: Add check for lstat.
1411 * configure, config.in: Regenerate.
1412 * cppinit.c (append_include_chain): Make empty path ".".
1413 * cpplib.c (do_line): Don't simplify #line paths.
1414 * cppfiles.c (remove_component_p): New function.
1415 (find_or_create_entry): Acknowledge stat () errors during
1416 path simplification.
1417 (handle_missing_header): Don't simplify paths.
1418 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1419 the empty path untouched. Don't leave a trailing '/'.
1421 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1423 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1424 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1426 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1428 * cppfiles.c (open_file): Fail directories silently, but
1429 with an errno of NOENT set.
1430 (read_include_file): Move the common exit code to the sole
1431 caller. Return an int indicating success or failure. Let
1432 open_file handle directories.
1433 (stack_include_file): If read_include_file fails,
1434 push a "null" buffer.
1436 2001-04-05 DJ Delorie <dj@redhat.com>
1438 * function.h (virtuals_instantiated): Declare.
1439 * function.c: (virtuals_instantiated): Make global.
1440 * calls.c (emit_library_call_value_1): Use
1441 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1442 Otherwise, use the stack pointer directly.
1444 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1446 * i386.c (x86_initialize_trampoline): New global function.
1447 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1448 (INITIALIZE_TRAMPOLINE): Move offline.
1449 * i386-protos.h (x86_initialize_trampoline): Declare.
1451 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1453 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1454 (lea_0): Rename to lea_1.
1455 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1456 (lea_general_?): Allow SImodes on TARGET_64BIT
1457 (lea_general_?_zext): New patterns.
1458 (call_1, call_1_rex64): Fix.
1460 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1462 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1464 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1466 * i386.c (function_arg): Return constm1_rtx for last argument.
1467 (ix86_expand_prologue): Update gen_call calls.
1468 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1469 * i386.md (call_pop): Likewise.
1470 (call): Second operand is VOIDmode.
1471 (call_0): Likewise; Support 64bits.
1472 (call_exp): New expander.
1473 (call_1): Get to the sync.
1474 (call_1_exp): New pattern.
1475 (call_value): Support 64bit.
1476 (call_value_exp): New pattern.
1477 (untyped_call): Update gen_call call.
1478 (call_value_pop): Disable for 64bit.
1479 (call_value_0_rex64): New pattern.
1480 (call_value_1_rex64): Likewise.
1482 2001-04-05 Bo Thorsen <bo@suse.de>
1484 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1486 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1488 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1489 satisfies ANY_QI_REG_P.
1491 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1493 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1496 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1499 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1501 * config.gcc: Remove default for xm_file. Clean up local
1502 machine type handling. Remove settings of xm_file to
1503 something that doesn't exist. In the big switch, set xm_file,
1504 don't append to it (the value before the big switch is always
1505 null). Don't force build_xm_file or host_xm_file to have a value.
1506 * configure.in: Remove default for xm_file. Do not special
1507 case $cpu/xm-$cpu.h not existing.
1508 * configure: Regenerate.
1510 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1512 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1513 when folding integer division and modulo operations.
1515 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1517 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1518 instead of DWARF2_ADDR_SIZE for EH addresses.
1519 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1522 2001-04-04 Richard Henderson <rth@redhat.com>
1524 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1525 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1526 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1528 2001-04-04 Richard Henderson <rth@redhat.com>
1530 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1531 * configure: Rebuilt.
1533 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1535 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1536 push insns to delete to it instead of deleting them.
1537 (delete_null_pointer_checks): Delete insns from delete_list after
1538 all delete_null_pointer_checks_1 passes are done.
1540 2001-04-04 Richard Henderson <rth@redhat.com>
1542 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1543 * configure: Rebuilt.
1545 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1547 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1548 * config/romp/xm-romp.h: Delete.
1550 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1552 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1555 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1557 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1558 all labels present in rtx.
1559 (try_split) Call new function for all split insns.
1561 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1563 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1564 sure the change won't be validated.
1566 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1568 * rtl.h (set_noop_p): Declare.
1569 * flow.c (set_noop_p): Move from here ...
1570 * rtlanal.c (set_noop_p): ... to here and enhance.
1571 * cse.c (delete_trivially_dead_insns): Use it.
1572 * gcse.c (hash_scan_set): Likewise.
1573 * jump.c (delete_noop_moves): Likewise.
1574 * recog.c (split_all_insns): Likewise.
1576 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1578 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1579 stack pointer via a LO_SUM. Ditto for setting a temp register
1580 used to save to the stack. Set cfa_temp when setting fp, and
1581 allow matches to cfa_temp in addition to cfa_store when saving
1582 regs. Handle POST_INC and LO_SUM register stores. Document the
1583 changes and errors in rule 12 doco.
1585 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1586 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1587 (load_reg): Move closer to epilogue code.
1588 (DO_FRAME_NOTES): Define to control the following..
1589 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1590 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1592 (hppa_expand_epilogue): Likewise.
1594 2001-04-03 Richard Henderson <rth@redhat.com>
1596 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1597 * configure: Rebuild.
1599 2001-04-03 Richard Henderson <rth@redhat.com>
1601 * rtl.h (LCT_THROW): New.
1602 * calls.c (emit_library_call_value_1): Handle it.
1603 * except.c (connect_post_landing_pads): Use it.
1605 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1607 * gansidecl.h: Delete file.
1608 * configure.in: Change all refs to gansidecl.h to use
1609 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1611 * configure: Regenerate.
1613 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1614 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1615 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1616 Don't include gansidecl.h.
1617 * intl.c, main.c, version.c, fixinc/fixlib.h,
1618 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1621 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1623 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1626 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1628 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1629 config/i386/xm-next.h, config/i386/xm-sco.h,
1630 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1631 config/m88k/xm-m88k.h: Delete.
1633 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1634 * config/romp/xm-romp.h: Don't define bcopy.
1635 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1636 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1638 * config.gcc: Remove references to deleted files.
1640 14 xm-host.h remain, 1 xm-cpu.h.
1642 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1643 David S. Miller <davem@pierdol.cobaltmicro.com>
1644 Andrew MacLeod <amacleod@redhat.com>
1646 Use byte offsets in SUBREGs instead of words.
1648 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1649 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1650 to pass new argument.
1651 (add_stored_regs): Use subreg_regno_offset function.
1652 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1654 (precompute_arguments): Use gen_lowpart_SUBREG.
1655 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1656 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1657 (simplify_set): Rework to use SUBREG_BYTE.
1658 (expand_field_assignment): Use SUBREG_BYTE.
1659 (make_extraction): Use SUBREG_BYTE.
1660 (if_then_else_cond): Use SUBREG_BYTE.
1661 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1662 (gen_lowpart_for_combine): Compute full byte offset.
1663 * cse.c (mention_regs): Use SUBREG_BYTE.
1664 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1665 (canon_hash): Use SUBREG_BYTE.
1666 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1667 (gen_lowpart_if_possible): Formatting.
1668 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1670 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1671 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1672 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1673 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1674 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1675 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1676 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1677 certain invariants about SUBREGs the compiler creates.
1678 (gen_lowpart_SUBREG): New function.
1679 (subreg_hard_regno): New function to get the final register number.
1680 (gen_lowpart_common): Use SUBREG_BYTE.
1681 (gen_imagpart): Spacing nits.
1682 (subreg_realpart_p): Use SUBREG_BYTE.
1683 (gen_highpart): Use SUBREG_BYTE.
1684 (subreg_lowpart_p): Always compute endian corrected goal offset,
1685 even at the byte level, then compare against that.
1686 (constant_subword): New function, pulled out all constant cases
1687 from operand_subword and changed second argument name to offset.
1688 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1689 and call constant_subword to do the work. Return const0_rtx if
1690 looking for a word outside of OP.
1691 (operand_subword_force): Change second arg name to offset.
1692 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1693 (store_split_bit_field): Use SUBREG_BYTE.
1694 (extract_bit_field): Use SUBREG_BYTE.
1695 (extract_split_bit_field): Use SUBREG_BYTE.
1696 (expand_shift): Use SUBREG_BYTE.
1697 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1698 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1699 * flow.c (set_noop_p): Use SUBREG_BYTE.
1700 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1701 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1702 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1704 (optimize_bit_field): Use SUBREG_BYTE.
1705 (purge_addressof_1): Use SUBREG_BYTE.
1706 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1707 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1708 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1709 * gengenrtl.c (special_rtx): Add SUBREG.
1710 * global.c (mark_reg_store): Use SUBREG_BYTE.
1711 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1712 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1713 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1714 final byte offset is congruent to subreg's mode size.
1715 (subst_constants): Use SUBREG_BYTE.
1716 (mark_stores): Use subreg_regno_offset function.
1717 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1718 function and SUBREG_BYTE.
1719 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1720 (reg_is_born): Use subreg_hard_regno.
1721 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1722 endian correction code. Don't combine subregs unless resulting
1723 offset aligns with type. Fix subreg constant extraction for DImode.
1724 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1725 (general_operand): Remove dead mode_altering_drug code.
1726 (indirect_operand): Use SUBREG_BYTE.
1727 (constrain_operands): Use subreg_regno_offset function.
1728 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1729 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1730 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1731 * regs.h (REG_SIZE): Allow target to override.
1732 (REGMODE_NATURAL_SIZE): New macro which target can override.
1733 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1734 on the entire subreg rtx.
1735 (push_reload): Use SUBREG_BYTE in comments and code.
1736 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1737 for hard registers inside subregs.
1738 (operands_match_p): Use subreg_regno_offset.
1739 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1740 containing hard regs.
1741 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1742 corrections when fixing up MEM subregs.
1743 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1744 subreg_regno_offset where appropriate.
1745 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1746 byte endian corrections when fixing up MEM subregs.
1747 (subst_reloads): When combining two subregs, make sure final
1748 offset is congruent to subreg's mode size.
1749 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1750 (refers_to_regno_for_reload_p): Use subreg_regno.
1751 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1752 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1753 correction code for memory subreg fixups.
1754 (forget_old_reload_1): Use subreg_regno_offset.
1755 (choose_reload_regs): Use subreg_regno.
1756 (emit_input_reload_insns): Use SUBREG_BYTE.
1757 (reload_combine_note_store): Use subreg_regno_offset.
1758 (move2add_note_store): Use subreg_regno_offset.
1759 * resource.c (update_live_status, mark_referenced_resources): Use
1760 subreg_regno function.
1761 (mark_set_resources): Use subreg_regno function.
1762 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1763 (subreg_regno_offset, subreg_regno): Define prototypes.
1764 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1765 (gen_lowpart_SUBREG): Add prototype.
1766 * rtl.texi (subreg): Update to reflect new byte offset representation.
1767 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1768 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1769 (reg_overlap_mentioned_p): Use subreg_regno.
1770 (replace_regs); Make sure final offset of combined subreg is
1771 congruent to size of subreg's mode.
1772 (subreg_regno_offset): New function.
1773 (subreg_regno): New function.
1774 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1775 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1776 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1777 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1778 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1779 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1780 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1781 (print_operand): Use SUBREG_BYTE.
1782 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1783 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1784 (arm_reload_out_hi): Use SUBREG_BYTE.
1785 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1786 instead of SUBREG_WORD.
1787 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1788 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1789 SUBREG creation to use byte offset.
1790 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1791 inverted load insns): Fix explicit rtl subregs to use byte
1793 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1794 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1795 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1796 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1797 to use byte offsets.
1798 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1799 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1800 offsets, also make sure it is congruent to SUBREG's mode size.
1801 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1802 unnamed ldob insn): Generate SUBREGs with byte offset.
1803 (zero_extendqihi2): SUBREG's are byte offsets.
1804 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1805 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1806 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1807 zero-extendqisi2): Generate SUBREGs with byte offset.
1808 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1809 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1810 subregs in rtl to use byte offsets.
1811 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1812 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1813 (mips_move_2words): Use subreg_regno_offset.
1814 (mips_secondary_reload_class): Use subreg_regno_offset.
1815 * config/mips/mips.md (DImode plus, minus, move, and logical op
1816 splits): Fixup explicit subregs in rtl to use byte offsets.
1817 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1818 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1819 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1820 rtl to use byte offsets.
1821 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1822 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1823 subregs to use byte offsets.
1824 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1825 Fixup explicit subregs in rtl to use byte offsets.
1826 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1827 and remove byte endian correction code.
1828 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1829 (gen_ashift_hi): Use SUBREG_BYTE.
1830 (regs_used): Use subreg_regno_offset.
1831 (machine_dependent_reorg): Use subreg_regno_offset.
1832 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1833 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1834 (movdf_i4): Subregs are byte offsets now.
1835 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1836 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1837 (REGMODE_NATURAL_SIZE): Override.
1838 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1839 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1841 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1842 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1843 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1844 it is congruent to SUBREG's mode size.
1845 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1847 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1848 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1849 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1850 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1851 * config/v850/v850.c (print_operand, output_move_double): Use
1852 subreg_regno function.
1854 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1856 * configure.in (target_subdir): Use target_alias, not target.
1857 * configure: Rebuilt.
1859 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1861 * config/sh/crti.asm: Fix typos in comments.
1863 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1865 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1866 TARGET_FAST_INDIRECT_CALLS.
1867 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1869 (return_addr_rtx): Short circuit export stub matching when
1870 TARGET_NO_SPACE_REGS.
1871 (output_millicode_call): For out of range calls, make -fPIC
1872 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1873 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1874 * pa.md: Modify length attr calculation of all millicode insns to
1877 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1879 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1880 Require at least 2.11 in the version test. Specifically check
1881 for and reject GAS version 2.10.90.
1882 * configure: regenerate.
1884 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1886 * pa.c (override_options): Remove PIC profiling warning.
1887 (hp_profile_labelno): Delete.
1888 (hp_profile_label_rtx): Delete.
1889 (hp_profile_label_name): Delete.
1890 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1891 (output_function_prologue): Remove profiling code and all tests on
1892 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1893 merge_sp_adjust_with_store can work for PIC and profiling.
1894 (hppa_expand_epilogue): Remove profile_flag test.
1895 (hppa_can_use_return_insn_p): Likewise.
1896 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1897 cater for PROFILE_HOOK.
1898 (hppa_profile_hook): New function.
1899 * pa.h (FUNCTION_PROFILER): Now does nothing.
1900 (PROFILE_HOOK): Define.
1901 (hppa_profile_hook): Declare.
1902 (PROFILE_BEFORE_PROLOGUE): Delete.
1903 (ASM_OUTPUT_REG_PUSH): Delete.
1904 (ASM_OUTPUT_REG_POP): Delete.
1905 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1906 r24. Accept function name operand, and use this and a locally
1907 generated label to calculate pc-rel offset to func start.
1909 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1911 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1912 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1915 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1917 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1918 LO_SUM cases to where they belong.
1920 2001-04-02 Richard Henderson <rth@redhat.com>
1922 * except.h (lang_eh_type_covers): Mark extern.
1923 (lang_eh_runtime_type): Likewise.
1925 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1927 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1928 gengenrtl.c: Wrap generated header in multiple-include guard.
1929 Improve error checking.
1931 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1933 * configure.in: Don't check for putenv.
1934 * configure: Regenerate.
1935 * gcc.c (putenv): Don't define.
1936 * vax/xm-vms.h: Handle putenv.
1938 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1940 * ifcvt.c (noce_emit_move_insn): New.
1941 (noce_try_store_flag, noce_try_store_flag_constants,
1942 noce_try_store_flag_inc, noce_try_store_flag_mask,
1943 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1944 noce_try_abs): Use it.
1945 (noce_process_if_block): Likewise.
1946 For STRICT_LOW_PART, take mode from its SUBREG.
1948 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1950 * fold-const.c (fold): Before optimizing unsigned comparison with
1951 0x7fffffffU, make sure arg0 is integral type.
1953 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1955 * c-tree.texi: Document representation of wide strings.
1957 2001-04-01 Richard Henderson <rth@redhat.com>
1959 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1961 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1963 * i386.md: remove obsoleted comments.
1964 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1965 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1966 fix output template.
1968 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1970 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1972 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1974 * loop.c (load_mems): When generating a load from a pseudo, update
1977 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1979 * i386.c (ix86_split_long_move): Use change address to compensate
1980 stack pointer change in push instruction.
1982 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1984 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1985 instead of rtx_equal_p; fix the output template.
1987 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1989 * i386.c (ix86_expand_setcc): Support 64bit.
1990 (ix86_expand_int_movcc): Likewise.
1991 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1994 * i386.md (allocate_stack_worker): Turn to expander.
1995 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1997 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1999 2001-03-29 Richard Henderson <rth@redhat.com>
2001 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2003 2001-03-28 Matthew Hiller <hiller@redhat.com>
2005 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2008 * MAINTAINERS: Added self.
2010 2001-03-28 Richard Henderson <rth@redhat.com>
2012 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2013 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2015 2001-03-28 Jim Wilson <wilson@redhat.com>
2017 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2020 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2022 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2024 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2027 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2029 2001-03-28 DJ Delorie <dj@redhat.com>
2031 * Makefile.in (stage1_build): Revert CFLAGS patch.
2033 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2035 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2036 when multiplier or multiplicand is zero.
2038 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2040 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2042 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2044 (set_src_needs_barrier): Likewise.
2045 (rtx_needs_barrier): For SET case, use these two functions. Rework
2046 PARALLEL case to handle all inputs before all outputs.
2047 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2048 saw a label and no stop bit since then.
2049 (maybe_rotate, process_epilogue): Add prototypes.
2051 2001-03-28 Richard Henderson <rth@redhat.com>
2053 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2054 not TARGET_TOC for special toc restore handling.
2055 * config/rs6000/rs6000.md (eh_return): Likewise.
2057 2001-03-28 Richard Henderson <rth@redhat.com>
2059 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2060 current_function_calls_eh_return.
2061 (output_function_epilogue): Handle eh_return.
2062 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2063 (EH_RETURN_DATA_REGNO): New.
2064 (EH_RETURN_STACKADJ_RTX): New.
2065 (EH_RETURN_HANDLER_RTX): New.
2066 * config/sparc/sparc.md (call/short branch peepholes): Check
2067 can_throw_internal instead of in_same_eh_region.
2069 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2070 for eh_return data registers.
2071 (rs6000_emit_prologue): Save eh_return data registers.
2072 (rs6000_emit_epilogue): Force inline restores if eh_return.
2073 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2074 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2075 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2076 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2077 the target uses one.
2078 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2079 (return_eh_si, return_eh_di): Remove.
2080 (eh_return): New, from corpse of eh_epilogue.
2081 (eh_set_lr_si, eh_set_lr_di): New.
2083 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2084 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2085 True for pic register if current_function_calls_eh_return.
2086 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2087 Handle eh_return requirements.
2088 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2089 (EH_RETURN_STACKADJ_RTX): New.
2090 * config/i386/i386.md (exception_receiver): Remove.
2091 (eh_return, eh_return_1): New.
2092 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2094 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2095 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2096 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2097 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2098 (EH_RETURN_DATA_REGNO): New.
2099 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2100 * config/alpha/alpha.md (eh_epilogue): Remove.
2101 (exception_receiver): Use $26 for ldgp input.
2102 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2104 2001-03-28 Richard Henderson <rth@redhat.com>
2106 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2107 * except.h: Likewise.
2109 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2110 (LIB2ADDEHDEP): New.
2111 (LIB2FUNCS_EH): Remove.
2112 (LIB2ADD): Remove LIB2ADDEH.
2113 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2114 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2115 (crt{begin,end}[S].o): Likewise.
2116 (except.o): Update includes.
2117 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2118 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2120 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2121 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2122 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2123 * builtins.c (expand_builtin): Implement it.
2124 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2125 * c-common.c (c_common_nodes_and_builtins): Declare it.
2126 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2127 * calls.c (libfunc_nothrow): Remove.
2128 (emit_library_call_value_1): Don't call it.
2129 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2130 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2131 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2132 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2133 (current_funcdef_number): Globalize.
2134 (output_call_frame_info): Emit frame data if an lsda is needed.
2135 Generate augmentation for personality routine. Don't play with
2137 (dwarf2out_begin_prologue): Record funcdef_number.
2138 * dwarf2out.h (current_funcdef_number): Declare.
2139 * expr.c (expand_expr): Update for except.h name changes.
2140 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2141 * expr.h (LTI_throw, LTI_rethrow): Remove.
2142 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2143 (LTI_eh_rtime_match): Remove.
2144 (LTI_unwind_resume, LTI_eh_personality): Add.
2145 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2146 * final.c (final): Don't call check_exception_handler_labels,
2147 init_insn_eh_region, or free_insn_eh_region.
2148 (final_scan_insn): Always emit debug labels for
2149 NOTE_INSN_EH_REGION notes.
2150 * flags.h (flag_new_exceptions): Remove.
2151 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2152 (record_active_eh_regions): Remove.
2153 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2154 Use can_throw_internal.
2155 (find_basic_blocks_1): Likewise.
2156 (move_stray_eh_region_notes): Remove.
2157 (find_label_refs): No eh_return_stub_label.
2158 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2159 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2161 (delete_unreachable_blocks): Don't track deleted handlers.
2162 (flow_delete_block): Use maybe_remove_eh_handler.
2163 (delete_eh_regions): Remove.
2164 (merge_blocks): Don't check for eh region match.
2165 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2166 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2167 (init_propagate_block_info): Disable dead frame store optimization
2168 when current_function_calls_eh_return.
2169 (dump_bb): Don't print eh_beg, eh_end.
2170 * function.c (fixup_var_refs): No catch_clauses.
2171 (expand_function_end): Likewise. Call expand_eh_return before
2172 the return register use. Call sjlj_emit_function_exit_after.
2173 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2174 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2175 * ifcvt.c (dead_or_predicable): Remove eh region check.
2176 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2177 Don't check for EH vs parameters.
2178 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2179 (expand_inline_function): Call duplicate_eh_regions.
2180 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2181 (copy_insn_notes): Remap REG_EH_REGION notes.
2182 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2183 * integrate.h (struct inline_remap): Add local_return_label.
2184 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2185 check_exception_handler_labels, nor exception_optimize.
2186 (find_cross_jump): No EH region check.
2187 * optabs.c (init_optabs): Update for changed eh libfuncs.
2188 * rtl.def (RESX): New.
2189 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2190 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2191 checks. Update for except.h name changes.
2192 (expand_cleanups): Likewise.
2193 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2194 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2195 (compile_file): Call init_eh before init_optabs. Don't
2196 output_exception_table here.
2197 (rest_of_compilation): Call convert_from_eh_region_ranges,
2198 convert_to_eh_region_ranges, output_function_exception_table.
2199 Don't emit_eh_context.
2200 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2201 (EXC_PTR_EXPR): New.
2203 * md.texi (eh_epilogue): Remove.
2204 (eh_return): Document.
2205 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2206 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2208 * eh-common.h: Remove file.
2209 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2210 * libgcc2.c (L_eh): Remove.
2212 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2213 * unwind-dw2-fde.h: New file.
2214 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2215 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2216 * libgcc-std.ver: Update for eh symbols.
2218 2001-03-27 Richard Henderson <rth@redhat.com>
2220 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2221 reduce false positives.
2222 (regmove_optimize): Disable if flag_non_call_exceptions.
2224 * stmt.c (expand_return): Remove always true predicate.
2225 (expand_decl_cleanup_no_eh): Remove dead code.
2227 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2228 barrier code. Add a scheduling barrier if a non-call insn
2229 can throw internally.
2231 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2232 Auto-inc addresses trap only if their base register does.
2234 * except.c (can_throw_internal): Rename from can_throw.
2235 * except.h, resource.c: Update references.
2237 * integrate.c (copy_insn_list): Use returnjump_p.
2238 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2240 * function.h (struct function): Move all boolean valued fields
2241 to single bit fields at the end of the struct.
2243 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2245 Rename asynchronous_exceptions to flag_non_call_exceptions.
2247 * gthr-single.h (UNUSED): New. Distinguish between how C
2248 and C++ mark unused function arguments. Use throughout.
2250 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2251 value to target configuration header.
2252 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2253 * config.in, configure: Rebuild.
2254 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2255 configuration and target defines.
2256 (exceptions_via_longjmp): Remove.
2257 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2258 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2260 * except.h (flag_non_call_exceptions): Move ...
2261 * flags.h: ... here.
2263 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2264 exceptions, put the note on the trapping instruction.
2266 * flags.h (flag_new_exceptions): Remove.
2267 * toplev.c: Don't set it.
2268 * final.c: Don't check it.
2269 * except.c: Provide stub definition.
2271 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2272 (calculate_global_regs_live): Kill call-clobbered registers
2273 across exception edges.
2274 * reg-stack.c (convert_regs_1): Kill the entire target stack
2275 across non-call exception edges.
2277 * flow.c (cleanup_cfg): Take no argument.
2278 * output.h, sibcall.c, toplev.c: Update all calls.
2280 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2282 * configure.in: Don't check for bcopy.
2283 * configure, config.in: Regenerate.
2285 * system.h: Don't define or prototype bcopy, instead poison it.
2287 2001-03-27 Richard Henderson <rth@redhat.com>
2289 * function.c (expand_function_start): Set DECL_REGISTER on
2290 a pseudo used for DECL_RESULT.
2292 * rtl.h (LCT_NORETURN): New.
2293 * calls.c (emit_library_call_value_1): Handle it.
2295 2001-03-27 Stan Shebs <shebs@apple.com>
2297 * objc/objc-act.c (objc_init): Use dump_base_name.
2298 (gen_declaration): Clear the buffer arg.
2299 (gen_declaration_1): New function, body of gen_declaration.
2300 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2301 (gen_method_decl): Ditto, plus always clear buffer arg.
2302 (error_with_ivar): Simplify.
2303 (warn_with_method): Ditto.
2304 (build_message_expr): Don't clear buffers.
2305 (dump_interface): Ditto.
2306 (objc_debug): Ditto.
2307 (build_keyword_selector): Clear the buffer by only zeroing
2309 (objc_implementation_context): Declare.
2310 (start_class): Warn about missing @end.
2311 (finish_objc): Ditto.
2313 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2315 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2317 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2319 * Makefile.in (SYSTEM_H): Define.
2320 Depend on $(SYSTEM_H), not system.h.
2322 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2324 2001-03-27 Jim Wilson <wilson@redhat.com>
2326 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2328 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2329 (process_epilogue): New static function.
2330 (process_set): Call process_epilogue instead of emitting .restore
2332 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2334 * flow.c (struct reg_cond_life_info): New fields orig_condition
2336 (init_propagate_block_info): Set new fields.
2337 (mark_regno_cond_dead): Set and use new fields.
2338 (flush_reg_cond_reg_1): Likewise.
2339 (and_reg_cond, case AND): Check for redundant AND conditions.
2340 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2343 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2345 * cppmacro.c (stringify_arg): Null terminate strings.
2347 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2349 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2350 inclusion style. xm-m68hc11.h no longer exists.
2351 * config/m68hc11/xm-m68hc11.h: Delete file.
2352 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2354 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2355 Don't define GCC_VERSION, N_, or PARAMS; don't include
2356 gansidecl.h or stdio.h. Define inhibit_libc here.
2357 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2358 Delete code conditioned on #if GCC_VERSION == 2095.
2360 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2361 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2362 Delete code conditioned on #if GCC_VERSION == 2095.
2364 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2366 * system.h: Include symcat.h.
2367 (STRINGIFY): Don't define.
2369 * configure.in: Adjust comment.
2371 * builtins.c: Use STRINGX, not STRINGIFY.
2372 * gencheck.c: Likewise.
2373 * gengenrtl.c: Likewise.
2374 * protoize.c: Likewise.
2376 * cpplex.c: Don't include symcat.h.
2377 * cpplib.c: Likewise.
2379 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2381 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2383 * c-typeck.c (digest_init): Fold init expression.
2385 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2387 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2389 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2391 * except.c (eh_regs): Save results of build_pointer_type to a temp
2392 as FUNCTION_VALUE macro may evaluate its args multiple times.
2394 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2396 * c-common.h (DECL_NUM_STMTS): New macro.
2397 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2399 (pushdecl): Likewise.
2400 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2401 * integrate.c (expand_inline_function): Don't check
2403 * print-tree.c (print_node): Don't print it.
2404 * toplev.c (rest_of_compilation): Don't try to inline when
2405 flag_no_inline is on.
2406 * tree.h (DECL_FRAME_SIZE): Remove.
2407 (tree_decl): Adjust accordingly.
2409 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2411 * combine.c (try_combine): Use memcpy, not bcopy.
2413 * genattrtab.c (expand_units): Likewise.
2415 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2417 * i386.md (push mem DI peep2): New.
2418 (mov 0, mov -1 peep2): Handle 64bit.
2419 (lea to arithmetics peep2): Handle 64bit leas.
2420 (rsp arithmetics to push/pop peep2s): New.
2422 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2424 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2426 * i386.c (struct machine_function): Add save_varrargs_registers.
2427 (ix86_save_varrargs_registers): New macro.
2428 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2429 (ix86_expand_prologue): Likewise.
2430 (ix86_emit_epilogue_esp_adjustement): Likewise.
2431 (ix86_expand_epilogue): Likewise.
2432 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2433 (pro_epilogue_adjust_stack_1): New insn.
2434 (pro_epilogue_adjust_stack_rex64): Likewise.
2435 * i386.h (MASK_NO_RED_ZONE): New constant.
2436 (TARGET_RED_ZONE): New macro.
2437 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2438 (RED_ZONE_SIZE): New constant.
2439 (RED_ZONE_RESERVE): New constant.
2441 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2443 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2445 2001-03-25 Kazu Hirata <kazu@hxi.com>
2447 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2450 (umodhi3): Likewise.
2453 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2455 * mkconfig.sh (DEFINES): Handle entries with '='.
2457 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2458 Set xm_defines to MACRO=value instead.
2460 * i370/xm-mvs.h: Delete.
2462 * ns32k/xm-pc532-min.h: Likewise.
2464 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2466 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2468 use ix86_expand_binary_operator
2469 (?sh??i_?): Disable for 64bit.
2470 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2471 * i386.c (shiftdi_operand): New predicate.
2473 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2474 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2475 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2476 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2477 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2478 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2479 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2480 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2481 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2482 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2483 (rotldi3, rotrdi3): New expanders.
2485 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2487 * i386.md (movstrsi): Move offline.
2489 (strmovdi_rex64): New.
2490 (strmov?i): Accept 64bit.
2491 (strmov?i_rex64): New.
2492 (strmov?i_rex_1): New.
2493 (strmov?i_1): Disable for 64bit.
2494 (rep_mov?i_rex64): New.
2495 (rep_mov?i): Disable for 64bit.
2496 (clrstrsi): Move offline.
2497 (strset?i_rex64): New.
2498 (strset?i: Accept 64bit.
2499 (rep_stos?i): Disable for 64bit.
2500 (rep_stos?i_rex64): New.
2501 (strset?i_rex_1): New.
2502 (strset?i_1): Disable for 64bit.
2503 (cmpstrsi): Accept 64bit.
2504 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2505 (cmpstrqi_nz_rex_1): New.
2506 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2507 (strlensi): Move offline.
2509 (strlenqi_1): Disable for 64bit; fix constraints.
2510 (strlenqi_rex_1): New.
2511 * i386.c (ix86_adjust_counter): New static function.
2512 (ix86_zero_extend_to_Pmode): Likewise.
2513 (ix86_expand_aligntest): Likweise.
2514 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2515 (ix86_expand_movstr): New global function.
2516 (ix86_expand_clrstr): New global function.
2517 (ix86_expand_strlen): New global function.
2518 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2519 ix86_expand_strlen): Declare.
2520 (ix86_expand_strlensi_unroll_1): Delete.
2522 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2524 * i386.md (cmpdi): Fix operand predicates.
2525 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2526 cmpdi_1_insn_rex64): New patterns.
2527 (adddi3): Turn to expander.
2528 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2529 (addsi3_carry_zext): New pattern.
2530 (adddi_?_rex64): New patterns and splitters.
2531 (addsi_?_zext): New patterns.
2532 (subsi3_carry_zext): New pattern.
2533 (subdi_?_rex64): New patterns and splitters.
2534 (iorsi_?_zext): New patterns.
2535 (iordi_?_rex64): New patterns and splitters.
2536 (iorsi_?_zext): New patterns.
2537 (iorsi_?_zext_imm): New patterns.
2538 (xorsi_?_zext): New patterns.
2539 (xordi_?_rex64): New patterns and splitters.
2540 (xorsi_?_zext): New patterns.
2541 (negdi*): New patterns.
2542 (one_cmpldi*): Likewise.
2543 (one_cmplsi*_zext, negsi*_zext): Likewise.
2544 (testqi_ext_3_rex64): New pattern.
2546 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2548 * i386-protos.h (ix86_split_long_move): Return void.
2549 * i386.c (ix86_split_to_parts): Handle 64bit target.
2550 (ix86_split_long_move): Likewise.
2551 * i386.md (all calls to ix86_split_long_move): Update.
2553 2001-03-23 Richard Henderson <rth@redhat.com>
2555 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2556 to avoid shadowing arguments.
2558 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2560 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2561 to variable names where DECL_NAME is different from
2562 DECL_ASSEMBLER_NAME.
2564 2001-03-23 Jim Wilson <wilson@redhat.com>
2566 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2567 (assemble_alias): Call make_decl_rtl.
2569 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2571 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2573 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2575 * extend.texi: Document the "java_interface" attribute.
2577 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2579 * mkconfig.sh: Use a subshell with redirected stdout,
2580 instead of closing stdout and confusing commands that run
2581 afterward. Throw away output of cmp.
2583 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2585 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2587 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2589 * i386.md (zero_extendsidi2_32): Break out from ...
2590 (zero_extendsidi2): ... here ; turn to expander.
2591 (zero_extendsidi2_rex64): New.
2592 (extendsidi2_32): Break out from ...
2593 (extendsidi2): ... here ; turn to expander.
2594 (extendsidi2_rex64): New.
2595 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2596 (trunc?f?f splitters): Add 64bit versions.
2598 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2600 * i386.md (pushsi, pushsi2_prologue): Disable.
2601 (pushsi2_rex64): New.
2602 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2603 (movqi_ext_1): Disable for 64bit.
2604 (movqi_ext_1_rex64): New.
2605 (pushdi2_rex64): New pattern, peep2s and splitter.
2606 (pushdi2_prologue_rex64): New pattern.
2607 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2609 (movdi splitters): Disable for 64bit.
2610 (movdi_1_rex64): New pattern, peep2s and splitters.
2611 (swapdi): New pattern.
2612 (pushsf): Disable for 64bit.
2613 (pushsf_rex64): New pattern and splitter.
2614 (pushdf_nointeger): Disable for 64bit.
2615 (pushdf_integer): Handle the 64bit case.
2616 (pushtf): Likewise; update splitters.
2618 2001-03-22 Richard Henderson <rth@redhat.com>
2620 * mkconfig.sh: Include insn-flags.h.
2621 * Makefile.in (CONFIG_H): Include insn-flags.h.
2622 (lots of objects): Remove insn-codes.h and insn-flags.h.
2624 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2625 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2626 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2627 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2628 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2629 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2630 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2631 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2632 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2633 v850/v850.c, vax/vax.c:
2634 Don't include insn-flags.h.
2636 * diagnostic.c, expr.h, reload.c, toplev.c:
2637 Don't include insn-codes.h.
2639 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2640 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2641 c4x/c4x.c, i960/i960.c, mips/mips.c:
2642 Don't include insn-codes.h or insn-flags.h.
2644 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2645 or insn-flags.h in the generated code.
2646 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2647 (main): Forward declare struct rtx_def.
2649 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2651 * invoke.texi (-ffast-math): Remove duplicate line about
2654 * gcc.texi: Remove more obsolete documentation of bugs and
2655 installation problems.
2657 2001-03-21 Kazu Hirata <kazu@hxi.com>
2659 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2662 2001-03-20 Jason Merrill <jason@redhat.com>
2664 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2666 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2667 * varasm.c (CHKR_PREFIX): Likewise.
2669 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2671 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2672 is part of a multi-SET insn.
2674 * cse.c (find_comparison_args): Remove previous change.
2675 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2678 * config/i386/i386.md (conditional_trap): Remove warning.
2680 * recog.c (push_operand): Fix error in last change that caused
2681 undefined symbol on many targets.
2683 * sdbout.c: #include ggc.h.
2684 (sdbout_init): Move to end of file.
2685 Call ggc_add_tree_root for anonymous_types.
2686 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2687 (sdbout_one_type): Use DECL_NAME for field name.
2688 * Makefile.in (sdbout.o): Show includes ggc.h.
2690 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2692 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2693 (override_options): Use properlimits for preferred_stack_boundary.
2694 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2696 (ext_register_operand): Accept DImode.
2697 (load_pic_register): Abort on 64bit.
2698 (gen_push): Use Pmode instead of SImode.
2699 (ix86_save_reg): Pic reg is never used on 64bit.
2700 (ix86_expand_prologue): Likewise.
2701 (ix86_emit_save_regs): Use Pmode instead of SImode.
2702 (legitimate_address_p): Check displacement for 64bit.
2703 (print_operand): Avoid outputting of (%rip) on 64bit.
2704 (print_operand_address): Output (%rip) where possible.
2705 (split_di): Abort on 64bit registers.
2706 (ix86_expand_branch): DImode comparison is simple for x86_64.
2707 (memory_address_length): Recognize memory addresses formed using
2709 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2711 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2713 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2715 * recog.c (push_operand): Recognize new format of push instructions.
2717 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2719 * i386.md (pushqi1): New.
2720 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2721 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2722 x86_64_immediate_operand, x86_64_immediate_operand,
2723 x86_64_zext_immediate_operand): Declare.
2724 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2725 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2726 x86_64_immediate_operand, x86_64_immediate_operand,
2727 x86_64_zext_immediate_operand): define.
2728 * i386.h (PREDICATE_CODES): Add new predicates.
2730 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2732 * i386.md (pophi1, popqi1, pushqi1): Remove.
2734 * expr.c (emit_single_push_insn): New function.
2735 (move_by_pieces): Accept NULL as destination for push instructions.
2736 (gen_push_operand): Kill.
2737 (emit_push_insn): Pass NULL when pushing; avoid updating of
2738 stack_pointer_delta.
2739 * expr.h (gen_push_operand): Kill.
2741 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2743 * rtl.texi (COMPARE): Clarify documentation and reference section
2746 2001-03-20 Stan Shebs <shebs@apple.com>
2748 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2749 (get_object_reference): Ditto.
2750 (error_with_ivar): Use error_with_file_and_line.
2751 (warn_with_method): Use warning_with_file_and_line.
2753 2001-03-20 Tom Tromey <tromey@redhat.com>
2755 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2757 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2759 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2760 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2762 2001-03-20 DJ Delorie <dj@redhat.com>
2764 * Makefile.in (install-libgcc): Pass complete list of variables.
2765 (install-multilib): Ditto.
2767 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2769 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2770 drectve_section, switch_to_section.
2772 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2773 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2774 i386_pe_mark_dllimport.
2776 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2778 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2779 functions i386_pe_*.
2781 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2782 i386_pe_* functions with char * arguments.
2784 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2786 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2788 (movsi_ie): Introduce fpul store.
2790 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2792 * Makefile.in (OBJS): Remove hashtab.o.
2794 2001-03-19 Stan Shebs <shebs@apple.com>
2796 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2797 * c-lang.c (maybe_objc_method_name): Ditto.
2798 * c-tree.h (maybe_objc_method_name): Remove decl.
2800 2001-03-19 Tom Tromey <tromey@redhat.com>
2802 * gcc.c (init_gcc_specs): Fix comment.
2804 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2806 Compute DECL_ASSEMBLER_NAME lazily.
2807 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2808 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2809 (SET_DECL_ASSEMBLER_NAME): Likewise.
2810 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2811 (set_decl_assembler_name): Declare.
2812 (lang_set_decl_assembler_name): Likewise.
2813 * tree.c (lang_set_decl_assembler_name): New variab.e
2814 (set_decl_assembler_name): New function.
2815 (init_obstacks): Set lang_set_decl_assembler_name.
2816 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2817 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2818 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2819 where it's not necessary.
2820 (builtin_function): Likewise.
2821 (finish_decl): Likewise.
2822 * dbxout.c (dbxout_type_methods): Likewise.
2823 * ggc-common.c (ggc_mark_trees): Likewise.
2824 * profile.c (output_func_start_profiler): Likewise.
2825 * varasm.c (make_decl_rtl): Likewise.
2827 * cse.c (find_comparison_args): Update documentation. Fix
2828 mishandling of COMPARE operations.
2830 * tree.def (ABS_EXPR): Add documentation.
2831 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2833 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2835 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2837 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2839 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2840 Remove ia32 linux PIC kludge and move it...
2841 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2843 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2845 * i386.md (absdf2 expander): Fix 64bit case.
2847 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2849 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2851 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2853 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2855 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2857 * README.X11: Remove obsolete file.
2859 2001-03-18 Anthony Green <green@redhat.com>
2861 * config/pj/pj.h: Remove some trailing commas.
2862 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2864 2001-03-18 Richard Henderson <rth@redhat.com>
2866 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2867 * calls.c: ... here.
2868 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2869 defaults for them here.
2871 2001-03-17 Anthony Green <green@redhat.com>
2873 * config/pj/lib1funcs.S: Fix broken comment.
2874 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2877 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2879 * gcc.texi: Remove obsolete information relating to build and
2880 installation problems with enquire or the Pyramid C compiler.
2882 2001-03-17 Richard Henderson <rth@redhat.com>
2884 * dwarf2out.c (queue_reg_save): New.
2885 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2886 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2888 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2889 (cfa, cfa_store, cfa_temp): Make static.
2890 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2892 2001-03-17 Richard Henderson <rth@redhat.com>
2894 * integrate.h (struct inline_remap): Add local_return_label.
2895 * integrate.c (expand_inline_function): Initialize it and emit
2896 it after copy_insn_notes.
2897 (copy_insn_list): Don't store local_return_label here.
2898 (copy_insn_notes): New function split out from copy_insn_list.
2900 2001-03-17 Richard Henderson <rth@redhat.com>
2902 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2903 is generating .debug_line.
2904 (dwarf2out_init): Add main_input_filename to the file table first.
2905 * configure.in (as_dwarf2_debug_line): Test with file number 1
2906 instead of file number 0.
2908 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2910 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2911 (gen_rtx_combine): Deleted; all references changed as appropriate.
2912 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2914 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2916 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2918 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2921 2001-03-16 Jim Wilson <wilson@redhat.com>
2923 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2924 then set it to LOC_REG (79) instead of aborting.
2926 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2928 * gccbug.in: Remove high priority.
2930 2001-03-16 Richard Henerson <rth@redhat.com>
2932 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2933 output with a space instead of deleting it.
2934 * configure: Regenerate.
2936 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2938 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2939 handles the gory details of converting an object file into
2940 something that's safe to grep.
2941 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2942 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2943 newlines at either end of the string we're looking for.
2944 Make 'checking ...' message less stilted.
2945 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2946 ARM in-memory layout and its hypothetical converse. Don't
2947 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2948 HOST_WORDS_BIG_ENDIAN.
2950 * configure.in: Adjust for renamed macro. Move
2951 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2952 * configure, config.in: Regenerate.
2954 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2956 * fixinc/Makefile.in: Set SHELL.
2958 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2960 * fixinc/fixincl.c (fix_with_system): Quote file names before
2961 passing them to shell.
2963 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2965 * Makefile.in: Use fix-header$(build_exeext) instead
2968 2001-03-16 Richard Henderson <rth@redhat.com>
2970 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2971 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2972 (size_of_line_prolog): Remove.
2973 (output_line_info): Compute prologue size via label difference.
2974 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2976 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2977 assembler error when redefining file numbers.
2978 * config.in, configure: Rebuild.
2980 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2981 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2982 (dw2_asm_output_delta_uleb128): Likewise.
2983 (dw2_asm_output_delta_sleb128): Similarly.
2984 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2986 2001-03-16 Michael Meissner <meissner@redhat.com>
2988 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2990 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2992 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2994 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2995 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2996 being unsigned in ISO C and signed in traditional.
2997 (expand_prologue): Ditto.
2998 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3000 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3002 (divsi3,divdi3): Ditto.
3003 (modsi3,moddi3): Ditto.
3004 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3005 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3006 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3009 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3011 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3012 SSE based conditional moves on LTGT/UNEQ conditions;
3013 Canonicalize EQ to NE.
3014 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3015 (sse_mov?fcc_ne): New.
3017 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3019 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3021 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3022 register may be dead.
3024 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3026 * Makefile.in (hash.o): Depend on CONFIG_H.
3028 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3030 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3032 2001-03-15 Richard Henderson <rth@redhat.com>
3034 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3035 (ASM_OUTPUT_DWARF_PCREL): New.
3036 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3038 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3040 * cppfiles.c (stack_include_file): Use MAX of sysp.
3042 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3044 * config.gcc (ia64*-*-hpux*): New case.
3045 * config/ia64/hpux.h: New file for HP-UX support.
3046 * config/ia64/t-hpux: New file for HP-UX support.
3048 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3050 * fixinc/inclhack.def (irix_stdio_va_list): New.
3051 * fixinc/fixincl.x: Rebuilt.
3053 2001-03-15 Richard Henderson <rth@redhat.com>
3055 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3056 if provided by the target.
3057 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3058 (dw2_asm_output_addr): New.
3059 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3060 * dwarf2out.c (output_cfi): Use it for program addresses.
3061 (output_call_frame_info, output_die): Likewise.
3062 (output_aranges, output_line_info): Likewise.
3064 2001-03-15 Bruce Korb <bkorb@gnu.org>
3066 * gcc.c(main): make more rigorous
3067 * collect2.c(main): guard against ignoring SIGCHLD
3068 * protoize.c(main): ditto
3069 * gcc/fixinc/fixincl.c(initialize): ditto
3071 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3073 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3074 (sdbout_parms): Likewise.
3076 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3078 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3079 "widen" a destination that is already wider than a word. Also do
3080 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3082 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3084 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3086 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3088 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3090 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3092 * i960.h (i960_maxbitalignment,
3093 i960_last_maxbitalignment): Declare.
3094 * i960.c (i960_maxbitalignment,
3095 i960_last_maxbitalignment): Make global.
3096 (process_pragma): Delete.
3097 (i960_pr_align, i960_pr_noalign): Move from here ...
3098 * i960-c.c: ... to this new file.
3099 * t-960bare (i960-c.o): New rule.
3100 * t-vxworks960 (i960-c.o): Likewise.
3101 * config.gcc (i960-*-*): Define c_target_objs and
3104 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3106 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3107 without adding in rtx code and mode.
3109 * alias.c (init_alias_analysis): Don't use any rtx whose value
3110 varies as a known value.
3111 Delete a superfluous test.
3113 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3115 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3116 scheduling a stop bit.
3117 (ia64_emit_nops): Correctly handle ASMs.
3119 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3121 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3123 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3125 * cpp.texi: Update documentation for -include and -imacros.
3126 * cppfiles.c (struct include_file): Remove "defined" memeber.
3127 (find_or_create_entry): Make a copy of the file name, and
3129 (open_file): Update to ensure we use the simplified filename.
3130 (stack_include_file): Don't set search_from.
3131 (cpp_included): Don't simplify the path name here.
3132 (find_include_file): New prototype. Call search_from to
3133 get the start of the "" include chain. Don't simplify the
3135 (_cpp_execute_include): New prototype. Move diagnostics to
3136 do_include_common. Update.
3137 (_cpp_pop_file_buffer): Don't set defined.
3138 (search_from): New prototype. Use the preprocessor's cwd
3139 for files included from the command line.
3140 (read_name_map): Don't simplify the pathname here.
3141 * cpphash.h (enum include_type): New.
3142 (struct buffer): Delete search from. New search_cached.
3143 (_cpp_execute_include): Update prototype.
3144 * cppinit.c (do_includes): Use _cpp_execute_include.
3145 * cpplib.c (do_include_common): New function.
3146 (do_include, do_include_next, do_import): Use it.
3148 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3150 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3151 contents of the RTL, to determine the name of the object.
3153 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3155 * tree.h (DECL_RTL): Allocate RTL lazily.
3156 (SET_DECL_RTL): New macro.
3157 (DECL_RTL_SET_P): Likewise.
3158 (COPY_DECL_RTL): Likewise.
3159 (DECL_RTL_IF_SET): Likewise.
3160 * varasm.c (make_decl_rtl): Add assertions about the kind of
3161 declaration we are processing.
3162 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3163 (start_decl): Likewise.
3164 (finish_decl): Likewise.
3165 * c-semantics.c (emit_local_var): Likewise.
3166 * calls.c (expand_call): Likewise.
3167 * dbxout.c (dbxout_symbol): Likewise.
3168 * emit-rtl.c (unshare_all_rtl): Likewise.
3169 (unshare_all_decls): Likewise.
3170 (reset_used_decls): Likewise.
3171 * expr.c (store_constructor): Likewise.
3172 (safe_from_p): Likewise.
3173 (expand_expr): Likewise.
3174 * function.c (put_var_into_stack): Likewise.
3175 (instantiate_decls_1): Likewise.
3176 (assign_parms): Likewise.
3177 (expand_function_start): Likewise.
3178 (expand_function_end): Likewise.
3179 * ggc-common.c (gcc_mark_trees): Likewise.
3180 * integrate.c (function_cannot_inline_p): Likewise.
3181 (copy_decl_for_inlining): Likewise.
3182 (expand_inline_function): Likewise.
3183 (integrate_parm_decls): Likewise.
3184 (integrate_decl_tree): Likewise.
3185 * print-tree.c (print_node): Likewise.
3186 * reg-stack.c (stack_result): Likewise.
3187 * stmt.c (label_rtx): Likewise.
3188 (expand_return): Likewise.
3189 (expand_decl): Likewise.
3190 (expand_decl_cleanup): Likewise.
3191 (expand_anon_union_decl): Likewise.
3192 * toplev.c (check_global_declarations): Likewise.
3193 (rest_of_decl_compilation): Likewise.
3194 * tree.c (simple_cst_equal): Likewise.
3195 * objc/objc-act.c (generate_static_references): Likewise.
3197 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3199 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3200 gcc_AC_C_FLOAT_FORMAT): New macros.
3201 * configure.in: Add AC_PROG_CPP after CC tests;
3202 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3203 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3204 * configure, config.in: Regenerate.
3206 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3207 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3208 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3209 config/i370/xm-linux.h, config/i370/xm-oe.h,
3210 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3211 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3212 config/pa/xm-linux.h, config/pa/xm-pa.h,
3213 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3214 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3215 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3216 config/we32k/xm-we32k.h: Delete.
3218 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3219 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3220 config/vax/xm-vms.h: Don't define any of:
3221 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3223 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3225 * config.gcc: Remove references to deleted files.
3226 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3227 FATAL_EXIT_CODE, which is the same between oe and mvs).
3229 2001-03-14 DJ Delorie <dj@redhat.com>
3230 Vladimir Makarov <vmakarov@redhat.com>
3232 * config/i960/i960.c (i960_function_prologue): Compute size of
3233 frame according to number of registers actually saved there.
3235 2001-03-14 Richard Henderson <rth@redhat.com>
3237 * expr.c (emit_move_insn_1): Fix else if around #endif.
3239 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3242 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3245 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3247 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3248 (override_options): Parse cmodel string.
3249 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3250 * i386.h (TARGET_OPTIONS): Add "cmodel".
3251 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3253 (ix86_cmodel_string, ix86_cmodel): Declare.
3255 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3258 * i386.h (GENERAL_REG_P): Add missing REG_P.
3260 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3262 * configure.in: Use $gcc_cv_as instead of $as.
3263 * configure: Regenerated.
3265 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3267 * cppfiles.c (stack_include_file): Only increase the include
3268 count if we actually process the file properly, as opposed
3269 to treating it as length zero. Only call read_include_file
3270 if not DO_NOT_REREAD. Handle the -H include file output
3272 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3273 (cpp_included, find_include_file): Simplify pathnames after
3274 remapping them. If remapping, don't use the remapped file
3275 name's buffer as our scratch buffer.
3276 (cpp_pop_file_buffer): Replace the multiple include macro
3277 only if it isn't yet set.
3278 (read_name_map): Simplify remapped names when reading in.
3279 (remap_filename): Move code to code path that uses it.
3280 (_cpp_simplify_pathname): Return the input pointer.
3281 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3283 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3285 * expr.c (expand_expr): Revove bogus conditional.
3287 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3289 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3291 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3293 * reg-stack.c (stack_result): Unconditionally use
3294 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3296 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3298 * expr.c (emit_move_insn_1): Split push of complex value when
3299 no suitable push instruction exist.
3301 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3302 instead of QI_REG_P.
3304 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3306 * alias.c (handled_component_p, can_address_p): New functions.
3307 (get_alias_set): Use them.
3309 2001-03-13 Jim Wilson <wilson@redhat.com>
3311 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3312 from 80 in try_locals code.
3313 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3315 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3317 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3318 gcc_AC_C_LONG_LONG): New.
3319 * configure.in: Use them. Probe the size of short, int, long,
3320 and long long/__int64 if we have them. Move all the AC_C_*
3321 checks together, except gcc_AC_C_CHAR_BIT which has to go
3322 after AC_CHECK_HEADERS(limits.h).
3323 Take hwint.h out of host_xm_file and build_xm_file.
3325 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3326 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3327 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3328 Move the HOST_WIDEST_INT setup logic here from system.h.
3329 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3331 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3332 is now handled by hwint.h.
3334 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3335 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3336 config/ia64/xm-ia64.h: Don't define any of:
3337 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3338 HOST_BITS_PER_LONGLONG.
3340 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3341 config/h8300/xm-h8300.h, config/mips/iris6.h,
3342 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3343 config/sparc/xm-sp64.h: Delete.
3344 * config.gcc: Remove references to deleted files.
3346 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3347 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3348 * config/i370/xm-linux.h: Clarify floating-point situation in
3351 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3353 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3354 (find_include_file): Decide here which part of the include
3355 chain to start the search. Complain about an empty include
3356 chain in all cases apart from an abolsute file name.
3357 (_cpp_execute_include): Don't choose the search chain here.
3358 Don't call handle_missing_include in the case of an empty
3360 (_cpp_compare_file_date): Don't choose the search chain here.
3361 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3362 here from _cpp_execute_include. Behave like #include if
3363 we're in the main file.
3365 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3367 * system.h (malloc, realloc, calloc, strdup): Only poison these
3368 tokens when IN_GCC is defined.
3370 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3372 * i386.md (abs?f expander): Support SSE case.
3373 (abd?f_if): Add new "USE"; add splitters.
3375 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3377 * cpp.texi (poison): Explain the macro expansion exception.
3379 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3381 * expr.c (store_expr): Add dont_store_target. If temp is already in
3382 target before copying to reg, don't store it into target again.
3384 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3386 * cppinternals.texi: Update for file handling.
3388 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3390 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3391 2001-02-24 which broke building the Java library.
3392 * function.c (identify_blocks): Likewise.
3393 (all_blocks): Likewise.
3394 * integrate.c (integrate_decl_tree): Likewise.
3395 * print-tree.c (print_node): Likewise.
3396 * tree.h (BLOCK_NUMBER): Likewise.
3397 (struct tree_block): Likewise.
3399 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3401 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3402 __WCHAR_TYPE__ definition.
3403 (WCHAR_TYPE_SIZE): #undef before #define.
3405 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3407 * cppfiles.c: Update comments.
3408 (destroy_include_file_node): Rename destroy_node.
3409 (find_or_create_entry): New function.
3410 (open_file, _cpp_fake_include): Use it.
3411 (handle_missing_header): New function, broken out of
3412 _cpp_execute include. Don't segfault if there is no
3413 system or quoted path.
3414 (_cpp_execute_include): Use handle_missing_header.
3416 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3418 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3419 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3421 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3423 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3424 unless anti_dependence says they are.
3425 * alias.c (objects_must_conflict): If neither has a type specified,
3428 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3429 David Billinghurst <David.Billinghurst@riotinto.com>
3431 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3433 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3435 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3436 (*_one_bit): Remove type on the match_operand in attributes.
3438 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3440 * i386.c: Commit forgotten hunk in previous patch.
3441 (regclass_map): Add extended registers.
3442 (dbx_register_map): Add missing frame register.
3444 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3446 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3448 * i386.md (x86_sahf_1): Disable for 64bit.
3449 (popsi*, pophi*): Likewise.
3450 (pushqi, pushhi): Likewise.
3451 (movdi, pushdi): Likewise.
3452 (zero extend DImode splitter): Likewise.
3453 (adddi, minusdi splitter): Likewise.
3454 (umulsidi): Likewise.
3456 (mulsidi): Disable for 64bit
3457 (lshift:DI/ashift:DI): Disable for 64bit.
3458 (loop patterns): Likewise.
3459 (call_pop, call_value_pop expanders and patterns): Likewise.
3460 (prologue_get_pc): Likewise.
3462 (fcmovDI pattern and splitter): Likewise.
3463 (movdfcc_1_rex64): New.
3465 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3467 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3468 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3469 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3470 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3471 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3472 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3473 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3474 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3475 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3476 (REGPARM_MAX): Set to 6 for x86_64.
3477 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3478 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3481 * (patterns that does use upper halves): Update constraints
3482 'q' to 'Q' and 'r' to 'R'.
3483 (cmpqi_ext_1): Disable for 64bit.
3484 (cmpqi_ext_3_insn): Likewise.
3485 (movqi_extzv_1): Likewsie.
3486 (addqi_ext_1): Liekwsie
3487 (testqi_ext_1): Liekwsie
3488 (andqi_ext_1): Liekwsie
3489 (xorqi_ext_1): Liekwsie
3490 (cmpqi_ext_1_rex64): New.
3491 (cmpqi_ext_3_insn_rex64): Likewise.
3492 (movqi_extzv_1_rex64): Likewsie.
3493 (addqi_ext_1_rex64): Liekwsie
3494 (testqi_ext_1_rex64): Liekwsie
3495 (andqi_ext_1_rex64): Liekwsie
3496 (xorqi_ext_1_rex64): Liekwsie
3498 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3500 * configure.in: Move check for unsigned enumerated bitfields
3501 to macro in aclocal.m4. Disable it for now.
3502 * configure, config.in: Regenerate.
3503 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3504 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3505 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3506 kind above its first use.
3508 * config/xm-interix.h, config/alpha/xm-alpha.h,
3509 config/i370/xm-linux.h, config/i386/xm-beos.h,
3510 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3511 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3512 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3513 Don't define ONLY_INT_FIELDS under any circumstances.
3515 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3517 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3518 config/sparc/xm-sysv4.h: Delete - now identical with some
3520 * config.gcc (hppa targets): Replace xm-pahpux.h and
3521 xm-papro.h with implicit xm-pa.h.
3522 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3525 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3527 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3528 before reload_cse_noop_set_p.
3530 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3532 * config.gcc: Where xm-host.h used to include another
3533 xm-host.h, list the nested header directly in xm_file. Remove
3534 references to deleted files. Can now use sparc/xm-sp64.h for
3537 * config/xm-linux.h, config/arm/xm-linux.h,
3538 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3539 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3540 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3541 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3542 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3545 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3546 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3547 bother to wrap #undef in #ifdef.
3548 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3549 Don't include xm-linux.h.
3550 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3552 * configure.in: Wrap regexps using [] in changequote block.
3553 Use expr : not echo | grep. Simplify regexps.
3554 * configure: Regenerate.
3556 56 xm-files remain, 22 xm-arch.
3558 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3560 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3561 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3562 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3563 (copy_object): Fix format specifier vs argument mismatch.
3565 * mips-tdump.c: Make local functions static.
3566 (rindex): Don't #undef.
3567 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3568 (fatal, fancy_abort): Delete.
3569 (read_seek): Avoid signed/unsigned compare.
3571 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3573 * combine.c (try_combine): Fix error in change to try original
3575 (gen_rtx_combine): Do same as gen_rtx for now.
3577 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3579 * configure.in: AC_SUBST xm_defines.
3580 * configure: Regenerate.
3581 * Makefile.in: Set DEFINES=$(xm_defines) when building
3584 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3586 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3587 (cpp_included, find_include_file): Update.
3588 (_cpp_compare_file_date): Make else unconditional.
3590 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3592 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3594 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3596 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3597 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3599 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3601 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3602 if it's a record type.
3604 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3606 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3607 mingw includes slightly.
3609 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3611 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3612 #undef token before poisoning it.
3614 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3616 * alpha.c (check_float_value): Use memcpy, not bcopy.
3618 * m32r.c (m32r_sched_reorder): Likewise.
3620 * vax.c (check_float_value): Likewise.
3622 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3624 * toplev.c (file_name_nondirectory): Remove.
3625 * toplev.h: Similarly.
3626 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3627 of file_name_nondirectory.
3629 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3631 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3632 * mips-tfile.c: Don't #undef rindex; not used.
3634 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3636 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3637 (dbx64_register_map): Declare.
3638 (RETURN_ADDR_RTX): Fix for 64bit.
3639 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3640 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3641 * i386.c (dbx64_register_map): New global array.
3642 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3643 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3646 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3648 * cppfiles.c (search_from): Use lbasename.
3649 * mkdeps.c (deps_add_default_target): Use lbasename.
3651 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3653 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3654 xcalloc in lieu of malloc, realloc & calloc.
3656 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3658 * gengenrtl.c (xmalloc): Likewise.
3660 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3661 really_call_* memory allocation routines.
3663 * stmt.c (check_for_full_enumeration_handling): Use
3664 really_call_calloc, not calloc.
3666 * system.h (really_call_malloc, really_call_calloc,
3667 really_call_realloc): Define.
3668 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3670 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3672 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3674 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3676 * configure: Rebuilt.
3677 * configure.in: Only use `lang_requires' for languages athat are
3680 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3682 * invoke.texi: Fix typo.
3683 * gcc.1: Regenerate.
3685 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3687 * configure.in: Prune nonexistent files from build_xm_file,
3688 xm_file, and host_xm_file lists. Warn unless they're
3690 Don't generate *config.h here.
3691 AC_SUBST all variables needed to generate *config.h.
3692 * configure: Regenerate.
3693 * mkconfig.sh: New helper script, from code removed from
3695 * Makefile.in: Zap all MALLOC variables - no longer used
3696 anywhere, and malloc.c doesn't exist.
3697 Substitute in variables needed to generate *config.h.
3698 Stop lying about the dependencies contained in CONFIG_H and
3700 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3701 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3702 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3703 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3704 $(TM_P_H), etc. as appropriate.
3706 * config.gcc: Zap references to deleted files.
3707 * ggc-none.c: Don't include rtl.h or tm_p.h.
3709 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3710 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3711 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3712 config/i386/xm-linux.h, config/i386/xm-linux.h,
3713 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3714 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3715 Don't include i386/xm-i386.h.
3717 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3718 config/i386/xm-i386.h, config/i860/xm-i860.h,
3719 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3720 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3721 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3722 Delete (empty except comments, #includes of other deleted
3723 files, and macros used nowhere).
3725 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3727 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3728 independent on TARGET_FLAGS.
3730 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3732 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3734 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3736 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3738 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3739 LAST_REX_SSE_REG): define.
3740 (enum reg_class): Add 'LEGACY_REGS'
3741 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3742 (SSE_REGNO_P): Recognize extended registers.
3743 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3744 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3745 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3746 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3747 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3748 REG_OK_FOR_STRREG_P): Remove.
3749 (HI_REGISTER_NAMES): Add extended registers.
3750 (ADDITIONAL_REGISTER_NAMES): Likewise.
3751 (QI_REGISTER_NAMES): Add 8bit extended registers.
3752 (DEBUG_REG): Support extended registers.
3753 * i386.c (regclass_map): Add extended registers.
3754 (dbx_register-map): Likewise.
3755 (svr4_dbx_register_map): Likewise.
3756 (print_reg): Support extended registers.
3757 (print_operand): Support 64bit operands.
3759 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3761 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3762 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3763 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3764 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3765 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3766 STACK_BOUNDARY): Set properly for 64bits.
3767 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3768 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3769 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3770 (MOVE_MAX): Set to 16.
3771 (MOVE_MAX_PIECES): 8 for 64bit.
3772 (Pmode): Set to SImode.
3774 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3776 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3778 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3780 * i386.h (mask_64bit): New constant.
3781 (target_64bit): New macro.
3782 (target_options): Add '64'/'32'
3783 (target_default): Define.
3784 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3785 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3786 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3788 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3790 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3792 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3794 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3795 LO_SUM unless for_alias is set.
3797 2001-03-08 Stan Shebs <shebs@apple.com>
3799 * objc/objc-act.c: Fix old typos in comments, add comments for
3801 (hash_init): Fix file name in error message.
3802 (hash_enter): Ditto.
3803 (hash_add_attr): Ditto.
3804 (continue_class): Ditto.
3806 2001-03-08 Bruce Korb <bkorb@gnu.org>
3808 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3809 wait4() can receive the signal.
3811 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3813 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3815 * fixinc/fixincl.x: Regenerate.
3817 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3819 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3821 * fixinc/fixincl.x: Regenerate.
3823 2001-03-08 Richard Henderson <rth@redhat.com>
3825 * configure.in (HAVE_AS_LEB128): New assembler check.
3826 * configure, config.in: Rebuilt.
3828 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3830 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3833 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3835 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3836 references to the MAXPATHLEN macro.
3838 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3839 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3842 * config/i386/xm-gnu.h, config/xm-gnu.h,
3843 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3844 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3845 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3846 and/or unused files.
3848 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3849 doing so in various xm-*.h files.
3851 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3853 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3855 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3857 * configure.in (enable_shared): Support per-package shared-library
3859 * configure: Rebuilt.
3861 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3863 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3864 for crnot. Set operands[5] in splitter.
3866 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3868 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3869 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3870 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3871 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3872 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3873 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3874 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3877 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3878 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3879 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3880 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3881 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3882 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3883 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3884 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3885 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3886 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3887 Delete unused and/or empty files.
3889 * config.gcc: Define USG in xm_defines as appropriate. Define
3890 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3891 macro. Remove deleted xm-* files from $xm_files variable.
3893 2001-03-07 Tom Tromey <tromey@redhat.com>
3895 * configure: Rebuilt.
3896 * configure.in: Allow config-lang.in to set `lang_requires' to list
3897 of other required languages.
3899 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3901 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3903 (output_prologue): Use xmalloc not oballoc.
3904 (output_epilog): Free a29k_first_epilogue_insn when finished.
3905 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3907 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3909 * builtins.c (expand_builtin_mathfn): Check
3910 flag_unsafe_math_optimizations, not flag_fast_math.
3911 (expand_builtin): Likewise
3912 * combine.c (combine_simplify_rtx): Likewise.
3913 (simplify_if_then_else): Likewise.
3914 * cse.c (fold_rtx): Likewise.
3915 * flags.h: Remove flag_fast_math. Add
3916 flag_unsafe_math_optimizations and flag_trapping_math.
3917 * fold-const.c (negate_expr): Check
3918 flag_unsafe_math_optimizations, not flag_fast_math.
3919 (invert_truthvalue): Likewise.
3920 (fold): Likewise. Before associating operands, check that
3921 code == MULT_EXPR, not code != MULT_EXPR.
3922 * ifcvt.c (noce_try_minmax): Check
3923 flag_unsafe_math_optimizations, not flag_fast_math.
3924 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3925 * invoke.texi: Document -funsafe-math-optimizations and
3926 -fno-trapping-math. Change documentation for -ffast-math.
3927 * jump.c (reversed_comparison_code_parts): Likewise.
3928 (rtx_equal_for_thread_p): Likewise.
3929 * optabs.c (emit_conditional_move): Likewise.
3930 * simplify-rtx.c (simplify_binary_operation): Likewise.
3931 (simplify_relational_operation): Likewise.
3932 (simplify_ternary_operation): Likewise.
3933 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3934 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3935 Add trapping-math and unsafe-math-optimizations entries to f_options.
3936 (set_fast_math_flags): New, sets flags for -ffast-math.
3937 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3938 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3939 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3941 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3942 (alpha_emit_conditional_move): Initialize local_fast_math to
3943 flag_unsafe_math_optimizations, not flat_fast_math.
3944 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3945 instead of setting flag_fast_math to 1.
3946 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3948 * config/i386/i386.c (override_options): Likewise
3949 * config/i386/i386.md: Likewise.
3950 * config/m68k/m68k.md: Likewise.
3951 * config/mips/mips.md: Likewise.
3952 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3953 (rs6000_generate_compare): Likewise.
3955 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3957 * Makefile.in: Set RANLIB to @RANLIB@.
3960 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3962 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3963 * fixinc/fixincl.x: Regenerated.
3965 2001-03-07 Richard Henderson <rth@redhat.com>
3967 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3969 2001-03-07 Richard Henderson <rth@redhat.com>
3971 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3972 of block notes and exception handling notes.
3974 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3975 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3976 (compile_file): ... here.
3978 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3980 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3982 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3983 config.h now. Include libiberty.h to handle alloca.
3985 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3987 * c-parse.in (yylexname): New function, split out of _yylex.
3988 (objc_rid_sans_at): New table.
3989 (init_reswords): Initialize it.
3990 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3991 retrieving the next token and checking it for significance as
3992 an ObjC keyword or string constant.
3994 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3995 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3997 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4000 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4002 * config/m68k/m68k.c (const_uint32_operand): Accept any
4003 const_int on a 32-bit host.
4005 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4007 * objc/objc-act.c (init_objc): Set save_lang_status,
4008 restore_lang_status, and mark_lang_status.
4010 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4012 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4014 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4016 * cppinternals.texi: Update.
4018 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4020 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4021 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4022 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4023 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4024 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4025 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4026 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4027 config/i386/xm-i386.h, config/i860/xm-i860.h,
4028 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4029 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4030 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4031 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4032 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4033 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4034 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4035 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4036 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4037 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4038 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4039 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4040 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4041 match the defaults provided in hwint.h.
4043 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4044 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4046 * config.gcc (xm_file): Don't set to files which are deleted.
4048 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4049 guard this file against these macros being undefined.
4051 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4053 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4054 and DECL_DEFER_OUTPUT on the decl we create, before calling
4055 rest_of_decl_compilation.
4057 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4059 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4061 * configure, config.in: Regenerate.
4062 * config.gcc: Remove references to deleted files.
4064 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4065 genrecog.c, rtl.c: Do not use alloca anywhere.
4067 * Makefile.in, build-make, system.h, config/x-interix,
4068 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4069 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4070 config/arc/xm-arc.h, config/arm/xm-arm.h,
4071 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4072 config/h8300/xm-h8300.h, config/i370/x-oe,
4073 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4074 config/i386/x-ncr3000, config/i386/x-sco5,
4075 config/i386/xm-dgux.h, config/i860/x-sysv4,
4076 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4077 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4078 config/m68k/x-hp320g, config/m69k/x-mot3300,
4079 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4080 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4081 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4082 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4083 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4084 config/mips/x-iris, config/mips/x-iris3,
4085 config/mips/x-sni-svr4, config/mips/x-sysv,
4086 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4087 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4088 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4089 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4090 config/pa/xm-papro.h, config/romp/xm-romp.h,
4091 config/rs6000/x-aix31, config/rs6000/x-aix41,
4092 config/rs6000/x-beos, config/rs6000/x-lynx,
4093 config/rs6000/x-mach, config/rs6000/x-rs6000,
4094 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4095 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4096 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4097 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4098 config/vax/xm-vms.h: Eradicate all references to alloca and
4101 * config/xm-alloca.h, config/clipper/x-clix,
4102 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4103 config/i860/x-sysv3, config/m88k/x-sysv3,
4104 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4105 (contained only alloca related hacks).
4107 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4110 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4112 * invoke.texi: Document __FAST_MATH__.
4114 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4116 * crtstuff.c: Restore include of auto-host.h.
4118 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4120 Put main() in a separate file, so that the language
4121 front-end can use a different main().
4124 * toplev.c: (main): Rename as toplev_main.
4125 * toplev.h: Declare toplev_main.
4126 * Makefile.in (OBJS): add toplev.o.
4127 (BACKEND): remove toplev.o, add main.o.
4129 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4131 * cppfiles.c (search_from): Special case the empty string.
4133 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4135 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4136 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4137 strlen or strcpy; we already know the length.
4138 (_cpp_compare_file_date): Similarly.
4139 * cpphash.h (struct cpp_reader): Delete done_initialising.
4140 (CPP_PREV_BUFFER): Delete.
4141 * cppinit.c (cpp_start_read): Don't set done_initialising.
4142 * cpplex.c (parse_string): Guarantee null-termination.
4143 (_cpp_equiv_toklists): Remove.
4144 * cpplib.c (glue_header_name): Null-terminate.
4145 (do_line): Don't leak memory.
4146 * cpplib.h (BT_WEAK): Delete.
4147 * cppmain.c (cb_ident): Strings are now null-terminated.
4149 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4151 * gcc.c (convert_filename): Append executable suffix
4152 if NO_AUTO_EXE_SUFFIX is not defined.
4153 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4154 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4156 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4158 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4159 * c-parse.gperf, c-gperf.h: Delete.
4160 (c-gperf.h was accidently re-added to the CVS repo in the rev
4161 1.16 commit by tromey)
4163 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4165 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4166 macro arguments when looking for the '('.
4167 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4168 2 when really parsing arguments; 1 when looking for '('.
4169 Always restore the lexer position.
4171 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4173 * longlong.h (umul_ppmm): Don't use a multiline string.
4175 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4177 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4178 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4179 t_bool in declaration because pcc can't combine volatile with typedef
4182 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4184 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4185 until when it is really needed.
4186 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4187 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4188 * i386.md (float?i?f splitter): Don't force source operand to memory
4190 (sse_movdfcc): Fix constraint.
4191 (sse_movdfcc splitter): Handle properly the second alternative.
4193 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4195 * cpplex.c (parse_string): Unconditionally pedwarn.
4197 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4200 * cppexp.c (parse_number): Update.
4201 * cpplex.c (parse_string): Pedwarn if multiline string does not
4202 result from a system header's macro.
4203 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4204 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4205 for function-like macros too.
4206 * c-lex.c (lex_number): Update.
4208 2001-03-03 Richard Henderson <rth@redhat.com>
4210 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4212 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4214 * combine.c (try_combine): If split with mode-changed scratch
4215 register didn't work, try the original mode.
4217 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4219 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4220 * config/c4x/c4x.h: Likewise.
4221 * stor-layout.c (compute_record_mode): Likewise.
4222 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4224 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4226 * configure.in: Kill tm.h. Include the files in the $tm_file
4227 list in all three of config.h, hconfig.h, tconfig.h, after the
4228 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4229 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4230 * configure: Regenerate.
4231 * Makefile.in (clean): Don't delete tm.h.
4233 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4234 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4235 those are not defined, set SEC and FEC to 0 and 1.
4236 * gcc.texi: Update to match.
4238 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4239 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4240 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4241 Include tconfig.h, not tm.h.
4243 * config/xm-lynx.h, config/xm-std32.h,
4244 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4245 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4246 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4247 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4248 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4249 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4250 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4251 config/i386/xm-i386.h, config/i860/xm-i860.h,
4252 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4253 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4254 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4255 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4256 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4257 config/pa/xm-linux.h, config/pa/xm-pa.h,
4258 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4259 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4260 config/pj/xm-pj.h, config/romp/xm-romp.h,
4261 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4262 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4263 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4264 config/v850/xm-v850.h, config/vax/xm-vax.h,
4265 config/we32k/xm-we32k.h:
4267 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4269 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4270 config/i370/xm-oe.h: Don't include tm.h. Don't define
4272 * config/vax/xm-vms.h: Don't include tm.h.
4274 * config/xm-lynx.h, config/avr/xm-avr.h,
4275 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4276 Delete; made empty by above changes.
4277 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4278 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4279 Don't include config/xm-lynx.h or tm.h.
4281 * config/xm-gnu.h: Don't include fcntl.h.
4282 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4284 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4286 2001-03-02 Richard Henderson <rth@redhat.com>
4288 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4289 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4291 2001-03-02 Richard Henderson <rth@redhat.com>
4293 * Makefile.in (OBJS): Add dwarf2asm.o.
4294 * dwarf2asm.c, dwarf2asm.h: New files.
4295 * dwarf2out.c (*): Use them.
4296 (size_of_uleb128, size_of_sleb128): Remove.
4297 (output_uleb128, output_sleb128): Remove.
4298 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4299 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4300 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4301 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4302 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4303 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4304 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4305 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4306 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4307 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4308 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4309 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4310 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4311 (dwarf2out_frame_debug): Remove unused variables.
4312 (output_loc_operands): Don't abort on 8 byte constants if
4313 host integers are wide enough.
4314 (output_symbolic_ref): Remove.
4315 (size_of_die): Don't assume 4 byte host integers.
4316 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4318 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4319 something stupid with HOST_WIDE_INT to long truncation.
4320 [CONST_DOUBLE]: Likewise.
4322 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4323 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4324 * config/arm/unknown-elf.h: Likewise.
4325 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4326 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4327 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4328 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4329 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4330 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4331 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4332 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4333 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4334 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4335 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4336 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4338 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4340 * cselib.c (hash_rtx): Cast enums to unsigned int.
4342 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4344 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4345 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4347 * c-format.c (C_STD_VER): Cast to int for comparisons.
4348 (check_function_format): Cast various enums to int for &.
4349 (maybe_read_dollar_number): Likewise.
4350 (check_format_info): Likewise.
4351 (check_format_info_main): Likewise.
4352 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4353 (safe_from_p): Likewise.
4354 * varasm.c (const_hash): Cast enum to int for %.
4355 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4356 pcc enum problems with < and ++ operators.
4357 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4358 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4359 (regclass_init): Change enum class to int to iterate over reg_classes.
4360 * genrecog.c (merge_trees): Cast enums for comparison.
4361 * rtl.h (GET_CODE): Cast to enum rtx_code.
4362 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4363 (GET_MODE): Cast to enum machine_mode.
4364 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4365 (GET_NOTE_INSN_NAME): Cast enum to int.
4366 * tree.h (TREE_CODE): Cast to enum tree_code.
4367 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4368 * timevar.c (timevar_print): Change loop variable id from enum to
4370 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4371 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4372 * toplev.c (compile_file): Cast enum DFI to int.
4373 (decode_d_option): Likewise.
4375 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4377 * cppinit.c (append_include_chain): Mark "after" include file name list
4378 as a system directory.
4379 * cpp.texi: Document new behavior.
4381 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4383 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4385 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4387 * cppfiles.c (struct include_file): Update.
4388 (stack_include_file): Use search_from.
4389 (cpp_included, find_include_file): Update.
4390 (cpp_execute_include): Update. ptr->name may not be
4391 null terminated. Use the new search_from member variable
4393 (_cpp_compare_file_date): Similarly.
4394 (search_from): New function, similiar to actual_directory.
4395 (actual_directory): Delete.
4396 (remap_filename): Update. loc->name may not be null terminated.
4397 (struct file_name_list): Rename search_path. Update.
4398 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4399 search_from and dir.
4400 (struct cpp_reader): Remove actual_dirs.
4401 * cppinit.c (struct cpp_pending): Update for renamed objects.
4402 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4403 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4404 * cpplib.h (struct cpp_options): Similarly.
4406 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4408 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4409 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4410 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4411 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4412 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4413 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4414 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4415 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4416 config/i370/xm-oe.h, config/i386/xm-aix.h,
4417 config/i386/xm-i386.h, config/i386/xm-osf.h,
4418 config/i860/xm-i860.h, config/i960/xm-i960.h,
4419 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4420 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4421 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4422 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4423 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4424 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4425 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4426 config/pj/xm-pj.h, config/romp/xm-romp.h,
4427 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4428 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4429 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4430 config/v850/xm-v850.h, config/vax/xm-vax.h,
4431 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4432 Do not define TRUE or FALSE.
4434 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4435 empty by above change.
4436 * config.gcc: Remove references to these files.
4438 * configure.in: Detect stdbool.h.
4439 * configure, config.in: Regenerate.
4440 * system.h: Include stddef.h here if available.
4441 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4442 Then set up a sensible boolean type at the very end.
4444 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4445 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4447 * hash.h: Delete 'boolean' typedef and related #undefs.
4449 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4450 all uses of 'boolean' with 'bool'.
4452 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4454 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4455 * cppexp.c (lex): Cast enums for comparison.
4456 * cppinit.c (parse_option): Cast enum for comparison.
4457 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4458 (cpp_output_token): Likewise.
4459 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4460 (cpp_avoid_paste): Cast enums for minus and comparison.
4462 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4464 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4465 field to all array elements.
4467 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4469 * cpphash.h (struct cpp_reader): Add print_version field.
4470 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4471 just set print_version and other flags as appropriate.
4472 (cpp_post_options): Print version here if print_version is set.
4474 * toplev.c (exit_after_options): New flag.
4475 (independent_decode_option): Don't exit here; just set
4477 (main): Exit after calling lang_hooks.post_options if
4478 exit_after_options is true.
4480 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4481 (merge_include_chains): Adjust comment to match code.
4483 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4485 * stringpool.c (set_identifier): New function.
4486 * tree.h: Prototype it.
4488 * c-parse.in: Kill D_YES. If compiled for objc, call
4489 save_and_forget_protocol_qualifiers from init_reswords.
4490 * objc/objc-act.c (remember_protocol_qualifiers,
4491 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4492 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4494 (save_and_forget_protocol_qualifiers): New function.
4495 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4497 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4499 * c-semantics.c (prune_unused_decls): Return error_mark_node
4500 instead of (tree) 1 to stop traversing the tree chain.
4502 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4504 Fix a problem introduced by Kenner's Feb 18 change.
4505 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4506 flag_cse_skip_blocks only temporarily, not for ever.
4508 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4510 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4511 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4513 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4514 before determining its register class.
4516 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4518 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4519 from reg 4 if current_function_calls_setjmp.
4520 (gen_nop_type): New function.
4521 (ia64_emit_nops): New function.
4522 (ia64_reorg): Call it.
4523 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4525 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4526 code not to try to optimize adds with anything but a REG destination.
4528 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4529 (INSN_PRIORITY_KNOWN): New accessor macro.
4530 * haifa-sched.c (priority): Use it instead of testing priority against
4533 2001-02-28 DJ Delorie <dj@redhat.com>
4535 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4536 since that doesn't work the way gcc wants on a generic m68k.
4538 2001-02-28 Richard Henderson <rth@redhat.com>
4540 * caller-save.c (save_call_clobbered_regs): Fix typo in
4541 comparison last change.
4543 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4545 * i386.c (pentium4_cost): New.
4546 (m_PENT4): New macro.
4547 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4548 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4549 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4550 x86_memory_mismatch_stall): Add Pentium4
4551 (x86_use_q_reg, x86_use_any_reg): Kill.
4552 (override_options): Add pentium4.
4553 (incdec_operand): Return 0 for pentium4.
4554 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4555 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4556 (TARGET_PENTIUM4): Define.
4557 (enum processor_type): Add PROCESSOR_PENTIUM4.
4558 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4559 * i386.md (attribute "cpu"): Add pentium4.
4560 * invoke.texi (march): Add pentium4.
4562 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4564 * i386.md (sse_mov?fcc*): New patterns and splitters.
4565 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4566 the SSE based conditional moves.
4568 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4570 * i386.md (attribute mode): Add "TI".
4571 (movsf_1): Add pxor support; remove constant propagation splitter.
4572 (movdf_integer): Likewise.
4573 (movdf_nointeger): Likewise.
4574 (movxf constant prop splitter): Handle all modes; update for SSE.
4575 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4576 * i386.c (standard_80387_constant_p): Rewrite.
4577 (standard_sse_constant_p): New.
4578 * i386-protos.h (standard_sse_constant_p): New.
4580 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4582 * i386.md (sse_setccsf, sse_setccdf): New.
4583 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4585 * i386.c (sse_comparison_operator): Accept the supported unordered
4586 comparses; be ready for fast_math.
4587 (print_operand): Support 'D'.
4589 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4591 * jump.c (reversed_comparison_code): Kill.
4593 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4595 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4598 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4600 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4601 add missing '%' in constraints.
4603 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4605 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4606 for HOST_BITS_PER_WIDE_INT == 32 too.
4608 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4610 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4612 (insert_save, insert_restore): New parameter save_mode.
4613 (init_caller_save): Update initialization of reg_save_code
4614 and reg_restore_code.
4615 (save_call_clobbered_regs): Compute save_modes and update calls to
4616 reg_save_code and reg_restore_code.
4617 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4618 of spill; update use of reg_restore_code.
4619 (insert_save): Likewise.
4620 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4621 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4622 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4624 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4626 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4627 noce_try_store_flag_inc, noce_try_store_flag_mask,
4628 noce_try_cmove_arith):
4629 Use reversed_comparison_code instead of reverse_comparison and
4630 can_reverse_comparison_p.
4632 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4634 * jump.c (reversed_comparison_code_parts): Allow reversal of
4635 unordered compares in -ffast-math mode; reverse ordered compares
4636 for FP even w/o -ffast-math.
4638 2001-02-27 Richard Henderson <rth@redhat.com>
4640 * print-rtl.c (print_rtx) [i]: Don't print field five on
4641 NOTEs other than NOTE_INSN_DELETED_LABEL.
4643 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4645 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4646 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4648 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4650 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4651 even if walk_subtrees is 0.
4652 * c-semantics.c (prune_unused_decls): Return a non-null value to
4653 stop traversing the tree chain.
4655 2001-02-27 DJ Delorie <dj@redhat.com>
4657 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4658 register, *then* define it as the new CFA.
4660 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4662 * pa.c (override_options): Promote -fpic to -fPIC.
4663 (legitimize_pic_address): Simplify due to removal of
4664 small PIC as a code generation option.
4665 (secondary_reload_class): Similarly.
4666 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4667 (PRINT_OPERAND_ADDRESS): Similarly.
4668 * pa.md (various patterns): Similarly.
4669 (small pic lo_sum pattern): Remove.
4671 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4674 * md.texi (min, max): Document
4676 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4678 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4679 TARGET_PARTIAL_REG_DEPENDENCY.
4680 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4682 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4684 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4686 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4688 * mips.c (mips_make_temp_file): Fix thinko in last change.
4690 2001-02-26 Jason Eckhardt <jle@redhat.com>
4692 * combine.c (known_cond): Do not reverse the condition when
4693 SMAX/UMAX is being considered and the condition is for equality
4696 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4698 2001-02-26 Philip Blundell <philb@gnu.org>
4700 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4702 * config/arm/linux-elf.h: Remove historical relics related to
4703 above configurations.
4704 * config/arm/linux-oldld.h: Delete.
4705 * config/arm/linux-elf26.h: Delete.
4707 2001-02-26 Jason Merrill <jason@redhat.com>
4709 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4711 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4712 recognize a tentative definition. Lose obsolete code.
4714 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4715 variables unless necessary, either.
4717 2001-02-25 Richard Henderson <rth@redhat.com>
4719 * ifcvt.c (struct noce_if_info): Add test_bb.
4720 (noce_get_alt_condition): New.
4721 (noce_try_minmax, noce_try_abs): New.
4722 (noce_operand_ok): New.
4723 (noce_process_if_block): Use them.
4724 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4726 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4728 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4731 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4733 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4734 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4736 (mips_asm_file_end): Free temp_filename here.
4738 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4740 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4741 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4743 * config/i386/i386.md (movstrsi): Handle FAIL case.
4745 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4747 * cppinit.c (builtin_array): Update.
4748 (init_builtins): Flag builtins to warn if redefined or
4749 undefined. Define __GXX_WEAK as a normal macro.
4750 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4751 * cpplib.h (NODE_WARN): New flag.
4752 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4753 Handle __STDC__ as a builtin only on Solaris.
4754 (warn_of_redefinition): Renamed from check_macro_definition.
4755 Reverse sense of test. Always warn if NODE_WARN.
4756 (_cpp_create_definition): Use warn_of_redefinition. Flag
4757 any macro beginning with "__STDC_" to require a mandatory
4758 warning if redefined or undefined.
4760 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4762 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4763 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4764 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4765 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4766 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4767 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4768 Don't define any of:
4769 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4770 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4771 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4772 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4773 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4775 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4776 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4779 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4780 Delete now-empty file.
4782 * alpha/vms.h: Define NEED_ATEXIT here...
4783 * alpha/xm-vms.h: ...not here.
4785 * i386/cygwin.h: Don't define PARAMS.
4786 * mips/mips.c: Don't prototype mktemp. Don't define
4787 P_tmpdir. Use make_temp_file to create temporary files.
4788 Don't be clever and delete temporary files early.
4789 * config.gcc: Drop references to deleted files. Don't define
4791 * gcc.texi: Don't mention USE_PROTOTYPES.
4793 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4795 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4796 (ix86_set_move_mem_attrs_1): Likewise.
4797 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4798 * config/i386/i386.md (movstrsi): Call it.
4800 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4802 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4803 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4804 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4805 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4807 (i750a-*-*): Error here if hosting on i750a.
4808 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4810 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4811 Remove (empty modulo comments).
4813 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4814 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4815 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4816 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4817 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4818 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4820 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4821 Remove reference to winnt.h in comment.
4822 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4824 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4826 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4827 used to set another biv.
4829 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4831 * tree.h (BLOCK_DEAD): New macro.
4832 (struct tree_block): New flag, dead_flag.
4833 * print-tree.c (print_node, case 'b'): Print missing fields.
4834 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4835 * function.c (identify_blocks): Enable test for misplaced notes.
4836 (all_blocks): Skip BLOCK_DEAD blocks.
4837 * integrate.c (integrate_decl_tree): Likewise.
4839 * errors.c (internal_error, trim_filename): New functions.
4840 (fancy_abort): Call internal_error.
4841 * errors.h (internal_error, trim_filename): New declarations.
4843 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4845 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4847 (EXTRA_CONSTRAINT): Formatting changes.
4849 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4851 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4853 2001-02-23 Per Bothner <per@bothner.com>
4855 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4856 so they can be called from java/jvspec.c.
4857 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4859 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4861 * i386.c (ix86_frame): New structure.
4862 (ix86_compute_frame_size): Kill.
4863 (ix86_compute_frame_layout): New.
4864 (ix86_save_reg): New.
4865 (ix86_can_use_return_insn_p): Use frame layout stuff.
4866 (ix86_expand_prologue): Likewise.
4867 (ix86_expand_epilogue): Likewise.
4868 (ix86_initial_elimination_offset): Likewise.
4869 (ix86_nsaved_regs): Use ix86_save_reg.
4870 (ix86_emit_save_regs): Likewise.
4872 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4874 * flow.c (find_sub_basic_blocks): New function.
4875 (split_block): Be ready for basic block introduced by CODE_LABEL.
4876 (commit_one_edge_insertion): Call find_sub_basic_block.
4878 * flow.c (make_edges): Add edge from entry for blocks starting with
4879 label having ALTERNATE_NAME
4881 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4883 * function.c (epilogue_done): Be ready for first basic block not
4884 containing PROLOGUE_END note.
4885 (reposition_prologue_and_epilogue_notes): Avoid placing
4886 PROLOGUE_END note between BASIC_BLOCK.
4888 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4890 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4892 2001-02-21 DJ Delorie <dj@redhat.com>
4894 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4895 check for current_function_has_nonlocal_goto from 1999-11-12.
4897 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4899 * diagnostic.c (trim_filename): No longer static.
4900 * toplev.h (trim_filename): Declare.
4901 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4902 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4903 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4904 (rtvec_check_failed_bounds): Likewise.
4905 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4907 * convert.c (convert_to_integer): Don't do unsigned unless result or
4908 both inputs are unsigned.
4910 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4913 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4915 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4917 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4919 * Makefile.in (resource.o): Add params.h dependence.
4920 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4921 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4922 * resource.c: Add dependence on params.h.
4923 (current_live_regs): Fix explanatory comment.
4924 (find_basic_block): Add new parameter to permit limiting search
4926 (mark_target_live_regs): Add new argument to find_basic_block call.
4927 (incr_ticks_for_insn): Likewise.
4929 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4931 * diagnostic.c (output_to_stream): Rename to
4932 output_buffer_to_stream. Loses the stream parameter.
4933 (init_output_buffer): Set diagnosic_buffer's stream.
4934 (flush_diagnostic_buffer): Adjust.
4935 (default_print_error_function): Likewise.
4936 (finish_diagnostic): Likewise.
4937 (verbatim): Likewise.
4939 * diagnostic.h (struct output_buffer): Add `stream' field.
4940 (output_buffer_attached_stream): New macro.
4942 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4944 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4945 check if either operand is divisible by C.
4946 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4947 If type is signed, consider negative numbers as well.
4949 2001-02-22 Richard Henderson <rth@redhat.com>
4951 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4952 reach .text instead of gp-relative relocs.
4953 * config/ia64/crtend.asm (.init): Likewise.
4955 2001-02-22 Andreas Jaeger <aj@suse.de>
4957 * extend.texi (C++ Attributes): Fix typo.
4959 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4961 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4962 functions, drop current_function_args_info.words test.
4963 (ia64_compute_frame_size): Mark syscall_linkage functions as
4964 using eight input registers.
4966 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4967 Bruce Korb <bkorb@gnu.org>
4969 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4970 * fixinc/README: Document how to convert sed substitutions
4971 to format style c_fix-es.
4972 * fixinc/fixincl.x: regen
4974 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4976 * gcc.c: Add comment explaining how to add a command-line option.
4977 Add title to specs language comment.
4979 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4981 * gcc.c (cc1_options): Add "-param".
4982 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4983 (option_map): Likewise.
4984 * toplev.c (display_help): Add entry for "--param".
4985 (independent_decode_option): Fix typographical error.
4987 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4988 Bernd Schmidt <bernds@redhat.com>
4989 Jan Hubicka <jh@suse.cz>
4991 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4992 (function_arg): Likewise.
4994 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4996 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4998 2001-02-21 Kazu Hirata <kazu@hxi.com>
5000 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5004 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5006 * flow.c (init_propagate_block_info): Canon address and use single_set
5007 for killing dead memory stores.
5009 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5011 * Makefile.in (reorg.o): Add params.h dependence.
5012 * params.def: Fix typographical error in comment.
5013 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5014 * params.h: Modify introductory comment.
5015 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5016 * reorg.c: Add dependence on params.h.
5017 (redundant_insn): Add parameterized throttle for search.
5018 (fill_simple_delay_slots): Add a comment explaining a variable.
5019 Move conditional out of loop, simplifying code.
5020 (fill_eager_delay_slots): Fix typographical error in comment.
5022 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5024 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5026 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5027 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5029 2001-02-21 Jason Merrill <jason@redhat.com>
5031 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5032 (struct tree_decl): Add uninlinable bitfield.
5033 * c-decl.c (duplicate_decls): Set it.
5034 * integrate.c (function_cannot_inline_p): Check it.
5036 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5037 DW_AT_MIPS_linkage_name to abstract methods.
5038 (dwarf2out_abstract_function): Emit class context before calling
5039 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5040 (gen_subprogram_die): Remove obsolete code.
5041 (gen_member_die): Don't include clones in the member list.
5042 (gen_decl_die): Emit abstract info for clone origin.
5043 * dwarfout.c (output_type): Don't include clones in the member list.
5044 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5045 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5046 DECL_ABSTRACT on a function that already has it set.
5048 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5049 (get_subprogram_die): Pass it in.
5051 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5053 * flow.c (mark_set_1): Make not_dead unsigned long. For
5054 non-pseudos, use it as a bitmask of the hard regs that
5057 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5059 * cppfiles.c: Update comments.
5060 (_cpp_read_file): Don't check for NULL filenames any more.
5061 * cppinit.c (cpp_start_read): Don't do canonicalization of
5062 in_fname and out_fname. Use the passed file name exclusively.
5063 (_cpp_handle_options): Don't treat "-" as a command line option,
5064 but as a normal filename.
5065 (_cpp_post_options): Canonicalize in_fname and out_fname.
5066 * cppmain.c (printer_init): Don't check out_fname for NULL.
5067 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5068 (init_c_lex): Update, and use "" to represent stdin to CPP.
5071 2001-02-20 Will Cohen <wcohen@redhat.com>
5073 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5074 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5075 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5078 2001-02-20 Stan Shebs <shebs@apple.com>
5080 * config/rs6000/rs6000.c (output_cbranch): Output branches
5081 on separate lines instead of using ';' to separate.
5083 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5085 * cppinit.c (set_lang): Move builtin handling to...
5086 (init_builtins): ...here.
5087 (_cpp_create_reader): Move call to set_lang.
5089 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5091 * stmt.c (expand_return): If an attempt is made to return the
5092 error_mar_node, treat the return like a return without a value.
5094 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5096 * sibcall.c (skip_copy_to_return_value): Call
5097 identify_call_return_value here, and return orig_insn if it
5098 returns zero. Hardret and softret arguments now unnecessary.
5099 (call_ends_block_p): Don't call identify_call_return_value here.
5101 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5103 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5104 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5106 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5108 * pa.c (move_operand): Accept code to load the address of a
5109 symbol out of the DLT as a valid move operand.
5110 (print_operand, case 'A'): New to handle generating a DLT
5111 reference for a LO_SUM expression.
5112 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5113 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5115 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5117 * README, cpp.texi, gcc.texi, version.c: Update version number to
5119 * cpp.1, gcov.1, gcc.1: Regenerate.
5121 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5123 * cppfiles.c (stack_include_file): Generate dependencies
5124 here, and manage include_count here too.
5125 (PRINT_THIS_DEP): Delete.
5126 (_cpp_execute_include): Do not generate dependencies here,
5127 apart from the case of a missing header. Do not manage
5129 (_cpp_read_file): Leave dependency generation to
5132 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5134 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5135 target_cpu_default. Remove dead assignment to
5138 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5140 * regclass.c (contains_reg_of_mode): Make global.
5141 (init_reg_sets): Remove contains_reg_of_mode; take into account
5142 CLASS_MAX_NREGS when looking for the proper mode.
5143 (dump_regclass): Dump only classes considered for the pseudo.
5144 (regclass): Use contains_reg_of_mode.
5146 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5148 * gcc.c (do_spec_1): 'n' for printing notices.
5149 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5151 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5153 * reg-stack.c (next_flags_user): Use current_block->end
5154 (swap_rtx_condition): Look for next user if flags don't die;
5155 give up on CALL_INSNs; use current_block->end.
5157 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5159 * sibcall.c (call_ends_block_p): New function.
5160 (optimize_sibling_and_tail_recursive_call): Use it.
5162 2001-02-18 Kazu Hirata <kazu@hxi.com>
5164 * config/h8300/h8300.md: Update copyright.
5165 (andsi3): Do not output an extra newline character.
5167 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5169 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5170 FNDECL may be unused.
5172 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5173 follow jumps after first run.
5174 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5175 it doesn't change any jumps.
5177 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5179 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5180 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5181 (mostlyclean): Corresponding changes.
5182 * rtlanal.c (hard-reg-set.h): Include.
5183 (rtx_unstable_p): Do not treat the argument pointer specially
5184 if it is not a fixed register.
5185 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5187 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5189 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5190 against last real insn in basic block.
5191 Rework to avoid gotos.
5193 * Makefile.in (gcse.o): Now includes ggc.h.
5194 * gcse.c: Include ggc.h.
5195 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5196 (try_replace_reg): Remove warning of uninitialize variable.
5197 (process_insert_insn): Call invalid_insn_p to validate insn.
5198 * recog.c (insn_invalid_p): Now global.
5199 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5200 * recog.h (insn_invalid_p): New declaration.
5202 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5204 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5205 assignments from FP constants since 'Y' output code can't handle it.
5206 (eligible_for_sibcall_delay): Likewise.
5208 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5209 Call fancy_abort directly, passing args.
5210 (print_rtl_and_abort): Now a macro, like fancy_abort.
5212 * final.c (output_operand_lossage): Use internal_error, not error.
5214 2001-02-18 Shane Nay <shane@agendacomputing.com>
5216 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5217 structure shift insns.
5219 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5221 * invoke.texi (-fsquangle): Remove documentation.
5222 (-fname-mangling-version): Likewise.
5224 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5226 * optabs.c (expand_abs): Remove reference to
5227 HAVE_contitional_arithmetic.
5228 * combine.c (simplify_set): Likewise.
5230 2001-02-18 Richard Henderson <rth@redhat.com>
5232 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5235 2001-02-18 Richard Henderson <rth@redhat.com>
5237 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5239 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5241 * reload1.c (reload_cse_simplify_set): Fix typo.
5243 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5245 * diagnostic.c (_fatal_insn): Decrement errorcount.
5247 * invoke.texi (-I): Add note avoiding use for system header files.
5249 * rtl.h (add_clobbers): Remove duplicate declaration.
5250 * recog.h (added_clobbers_hard_reg_p): New declaration.
5251 * genemit.c (struct clobber_pat): New field has_hard_reg.
5252 (gen_insn): Record if added clobbers clobber hard reg.
5253 (gen_split): Avoid unused warning if number of operands is 0.
5254 (output_added_clobbers_hard_reg_p): New function.
5257 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5259 * pa.c (hppa_expand_prologue): Simplify code storing return
5260 pointer. For large (>=8k) frames with a post_store, adjust stack
5261 pointer by 8k-64 first rather than by 64. When testing with
5262 VAL_14_BITS_P, always use the actual value rather than the value
5263 negated. Add blockage to prevent scheduling of spills before
5264 stack frame has been created.
5265 (hppa_expand_epilogue): Simplify code loading return pointer.
5266 Allow a slightly larger range for merge_sp_adjust_with_load case.
5267 When testing with VAL_14_BITS_P, always use the actual value.
5269 * pa.c (pa_adjust_insn_length): Check that block move
5270 pattern is a set before looking at operands.
5272 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5274 * fold-const.c (fold_binary_op_with_conditional_arg): New
5275 function, split out from ...
5277 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5278 conditional arms that throw exceptions.
5280 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5283 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5285 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5286 define HAVE_DECL_* to 1 to mask potential backup declarations.
5287 * configure: Regenerated.
5289 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5291 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5293 2001-02-17 Richard Henderson <rth@redhat.com>
5295 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5296 when replacing a memory load with a register.
5298 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5299 Jan Hubicka <jh@suse.cz>
5301 * recog.c (validate_replace_src_1): New.
5302 (validate_replace_src_data): Likewise.
5303 (validate_replace_src): Use note_uses.
5304 * rtl.h (note_uses): Declare.
5305 * rtlanal.c (note_uses): New.
5307 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5309 * reg-stack.c (stack_def): Make field reg unsigned.
5310 (remove_regno_note): Unsignetize parameter.
5312 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5314 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5315 shladd_operand() call.
5317 2001-02-16 Bruce Korb <bkorb@gnu.org>
5318 Rodney Brown <RodneyBrown@mynd.com>
5320 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5321 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5322 machine restrictions
5323 * fixinc/fixincl.x: regen
5325 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5327 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5329 (hash_scan_insn): Clean up calls to hash_scan_set.
5330 (compute_kill_rd): REGNO now unsigned.
5331 (try_replace_reg): Rework to use simplify_replace_rtx.
5332 (cprop_jump, cprop_cc0_jump): Likewise.
5333 (cprop_insn): Call find_reg_equal_equiv_note.
5334 Reflect changes to cprop_jump and cprop_cc0_jump.
5336 * recog.c (validate_replace_src): Replace in operands of
5337 ZERO_EXTRACT in SET_DEST.
5339 * cse.c (new_label_ref): New variable.
5340 (insert): Set it instead of recorded_label_ref.
5341 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5342 CODE_LABEL for this function, and not already in REG_LABEL note.
5344 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5346 * resource.c (mark_referenced_resources): Fix typo in introductory
5348 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5351 2001-02-16 Jason Merrill <jason@redhat.com>
5353 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5355 (gen_subprogram_die): Don't abort on seeing a second definition if
5356 the previous one was abstract. Don't replace an abstract instance
5357 in the lookup table.
5359 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5360 gen_abstract_function.
5361 * dwarf2out.h: Declare it.
5362 * toplev.c (note_outlining_of_inline_function): New fn.
5363 * toplev.h: Declare it.
5364 * integrate.c (output_inline_function): Call it.
5365 * c-decl.c (duplicate_decls): Call it when redefining an extern
5366 inline. Don't inline the new defn.
5368 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5370 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5372 * .gdbinit: Rename to gdbinit.in.
5373 * gdbinit.in: New file,
5374 * configure.in: Generate .gdbinit from gdbinit.in.
5375 * configure: Regenerated.
5376 * Makefile.in (distclean): Always remove .gdbinit.
5378 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5380 * objc/objc-act.c (start_class): Register implemented_classes with
5383 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5385 * cppfiles.c (_cpp_make_system_header): Generate a file
5388 2001-02-15 Jim Meyering <meyering@lucent.com>
5390 * Makefile.in (install-common): Don't depend on installdirs here.
5391 Instead, make each of the lang.install-common targets (e.g.,
5392 c++.install-common in cp/Make-lang.in) depend on it.
5393 (install-driver): Depend on installdirs.
5395 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5397 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5399 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5402 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5404 * invoke.texi (--param): Document.
5406 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5408 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5410 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5412 * i386.md (extendsfdf2_2): Fix constraints.
5414 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5416 * i386.md (fop_df_3 splitter): Fix operand number.
5418 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5420 * invoke.texi (-mreg-alloc): Nuke.
5421 * i386.c (ix86_reg_alloc_order, regs_allocated,
5422 order_regs_for_local_alloc): Nuke.
5423 (override_options): Kill reg_alloc code.
5424 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5425 (REG_ALLOC_ORDER): SSE goes before I387.
5426 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5427 (ix86_reg_alloc_order): Likewise.
5428 * i386-protos.h (ix86_reg_alloc_order): Kill.
5430 2001-02-14 Richard Henderson <rth@redhat.com>
5432 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5434 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5436 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5438 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5440 * i386-protos.h (ix86_memory_move_cost): Move offline.
5441 * i386.c (ix86_register_move_cost): Compute properly cost of
5442 SSE, MMX and i387 instructions.
5443 (*_cost): Add costs of SSE/MMX moves.
5444 (ix86_memory_move_cost): Move offline from ....; Likewise.
5445 * i386.h (MEMORY_MOVE_COST): .... here;
5446 (struct processor costs): Add new fields to represent costs
5449 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5451 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5452 move_cost together with Matt Kraai's fix.
5454 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5456 * Makefile.in (OBJS): Add params.o.
5458 2001-02-14 Richard Henderson <rth@redhat.com>
5459 DJ Delorie <dj@redhat.com>
5461 * jump.c (jump_optimize_1): When we delete a conditional jump
5462 preceeding a non-conditional jump to effectively the same place,
5463 make sure that the combined jump skips any clobber insns between
5466 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5468 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5470 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5472 * Makefile.in (toplev.o): Depend on params.h.
5473 (intergate.o): Likewise.
5474 (params.o): New target.
5475 * flags.h (inline_max_insns): Remove.
5476 * integrate.c: Include params.h.
5477 Use MAX_INLINE_INSNS instead of inline_max_insns.
5478 * params.c: New file.
5479 * params.h: Likewise.
5480 * params.def: Likewise.
5481 * toplev.c: Include params.h.
5482 (lang_independent_params): New variable.
5483 (decode_f_option): Use the param machinery instead of setting
5485 (independent_decode_option): Handle "--param name=value".
5486 (main): Register language-independent parameters.
5488 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5490 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5492 2001-02-14 Richard Henderson <rth@redhat.com>
5494 * regclass.c (init_reg_sets_1): Revert last two changes.
5496 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5498 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5499 (variable_size): Call put_pending_size.
5500 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5501 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5502 sizes list, put newly created SAVE_EXPR there as well.
5504 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5506 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5507 (errata_find_address_regs): load_group has only 2 entries.
5508 (errata_emit_nops): Likewise. shladd is not problematic.
5509 Clear last_group if nop was emitted.
5510 (fixup_errata): load_group has only 2 entries.
5513 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5515 * c-lex.c (lex_number): Only warn traditionally for U suffix
5516 outside system macros.
5517 * cppexp.c (parse_number): Similarly.
5518 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5519 * cppmacro.c (struct cpp_macro): New member node.
5520 (parse_args): Only warn about missing rest args if not
5522 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5523 (cpp_sys_objmacro_p): New.
5524 (_cpp_create_definition): Store the node with the macro defn.
5525 Remember if the macro is defined in a system header.
5527 2001-02-13 DJ Delorie <dj@redhat.com>
5529 * configure.in (check_languages): determine languages to check
5530 * Makefile.in (check-c++): alias for check-g++
5531 (check-f77): alias for check-g77
5532 (CHECK_TARGETS): depend on configured languages
5534 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5536 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5537 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5538 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5539 (sqrtextendsfdf2): Disable for SSE2.
5541 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5543 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5544 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5545 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5546 (sqrtextendsfdf2): Disable for SSE2.
5548 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5550 * i386.md (movsfcc_1): Support integer cmove instruction.
5551 (movdfcc_1): Likewise; new splitter.
5553 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5555 * i386.c (output_fp_compare): Support SSE.
5556 (prepare_fp_compare_args): SSE comparisons always support memory.
5557 * i386.h (TARGET_CMOVE): SSE imply cmove.
5558 * i386.md (cmp?f2): Enable for SSE too.
5559 (cmpfp_i*): Support SSE.
5561 (cmpfp_i_sse_only): New.
5562 (s*, b* fp expanters): Enable for SSE too.
5563 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5566 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5568 * regclass.c (init_reg_sets_1): Silence warning.
5570 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5572 * i386.md (sqrt?f2): Change to expander.
5573 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5575 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5577 * rtlanal.c (find_reg_equal_equiv_note): New function.
5578 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5579 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5580 * rtl.h: Add declarations for above functions.
5582 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5584 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5586 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5587 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5588 * flow.c (mark_regs_live_at_end): Likewise.
5589 (calculate_global_regs_live): Likewise.
5590 * gcse.c (compute_hash_table): Likewise.
5591 (compute_kill_rd): Likewise.
5592 * resource.c (mark_target_live_regs): Likewise.
5593 * rtl.h (INVALID_REGNUM): New macro.
5595 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5597 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5599 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5601 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5604 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5606 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5608 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5609 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5610 (fop_sf_1_sse, fop_df_1_sse): New patterns
5611 (fop_*): Disable float_extend and float patterns for SSE compilation.
5612 * i386.c (output_387_binary_op): Support SSE.
5614 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5616 * i386.md (dummy_extendsfdf2): Support SSE2
5617 (extendsfdf2): Enable if 80387 or SSE2.
5618 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5619 and no MIX_I387_SSE2
5620 (extendsfdf2_1_sse_only): New pattern.
5621 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5623 (truncdfsf2_1): Support SSE.
5624 (truncdfsf2_2): Support SSE.
5625 (truncdfsf2_2_1_sse): New pattern.
5626 (fixtruncsfsi2): Always use SSE if available.
5627 (fix_truncsfsi_sse): New pattern.
5628 (fix_truncdfsi_sse): New pattern.
5629 (floatsis?f2): Support SSE.
5630 (floatsidf2_i387): New pattern.
5631 (floatsidf2_sse): Likewise.
5633 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5635 * configure.in: Use "have_gnat" variable, not "gnat".
5636 * configure: Regenerated.
5638 * config/sparc/sparc.c (function_value): Treat all non-record
5639 aggregate types like used to treat UNION_TYPE.
5641 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5643 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5644 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5646 (MASK_MIX_SSE_I387): New.
5647 (TARGET_SSE): SSE2 imply SSE.
5648 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5649 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5650 (enum reg_class): Add new classes.
5651 (REG_CLASS_NAMES): Likewise.
5652 (REG_CLASS_CONTENTS): Likewise.
5653 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5654 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5655 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5656 (CLASS_MAX_NREGS): Use new macros.
5657 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5658 * i386.md (pushsf, movsf): Support SSE.
5659 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5660 splitters to use ANY_FP_REGNO_P.
5661 (movdf_nointeger, movdf_integer): Likewise.
5663 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5665 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5666 (try_combine): Use it.
5668 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5670 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5671 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5672 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5673 (REGISTER_MOVE_COST): Likewise.
5674 * i386-protos.h (ix86_secondary_memory_needed,
5675 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5676 * i386.c (ix86_secondary_memory_needed,
5677 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5679 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5681 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5682 (HARD_REGNO_MODE_OK): Move offline to ....
5683 * i386.c (ix86_hard_regno_mode_ok) ... here;
5684 refuse all incorrect modes.
5685 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5687 2001-02-13 Richard Henderson <rth@redhat.com>
5689 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5690 entire operator; replicate that and match_dup the operands.
5691 (cmp_ccx_arith_op_set): Likewise.
5692 (cmp_cc_arith_op_not_set): Likewise.
5693 (cmp_ccx_arith_op_not_set): Likewise.
5695 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5697 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5699 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5701 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5702 (TARGET_NO_BITFIELD_WORD): New macro.
5703 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5704 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5706 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5708 * cselib.c: New file, from simplify-rtx.c.
5709 * simplify-rtx.c: Remove cselib parts.
5710 * Makefile.in: Add cselib.o.
5712 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5714 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5715 (setup_incoming_varargs): Remove warning.
5717 * config/rs6000/rs6000.c (validate_condition_mode): When
5718 flag_fast_math, allow floating-point conditionals to be reversed.
5719 (rs6000_generate_compare): When flag_fast_math, don't generate
5720 cror operations for FP conditionals.
5722 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5724 (ASM_SPEC): Likewise.
5725 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5726 (CC1_SPEC): Likewise.
5727 (LINK_TARGET_SPEC): Likewise.
5728 (CPP_ENDIAN_SPEC): Likewise.
5729 * Makefile.in (check-consistency): New target.
5731 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5733 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5734 "return type defaults" warning for functions with return type
5736 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5737 function declarations by default rather than only when pedantic.
5739 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5741 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5744 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5746 * extend.texi (Deprecated): Deprecate new initializer lists.
5748 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5750 * mkdeps.c (deps_add_default_target): Robustify. Add
5751 basename component only.
5752 * cpp.texi (-M): Describe how default target is generated.
5753 * invoke.texi (-M): Likewise.
5755 2001-02-12 Kazu Hirata <kazu@hxi.com>
5757 * toplev.c (push_float_handler): Remove.
5758 (pop_float_handler): Remove.
5759 * toplev.h: Remove prototypes for the above functions.
5761 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5763 * c-common.c (constant_fits_type_p): New function.
5764 (convert_and_check): Use it.
5766 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5768 * Makefile.in (GXX_ABI_FLAG): Don't define.
5769 * configure.in (--enable-new-gxx-abi): Remove option.
5770 * config.in: Regenerated.
5771 * configure: Likewise.
5773 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5775 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5777 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5778 regular basic block, and arrange for all edges into it to switch
5781 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5783 * Makefile.in (distclean): Do not remove .gdbinit.
5785 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5787 * Makefile.in (gcc.o): Fix typos.
5788 (protize.o): Likewise.
5789 (unprotoize.o): Likewise.
5791 2001-02-11 Richard Henderson <rth@redhat.com>
5793 * tree.c (build1): Check for null operand in last change.
5795 2001-02-11 Richard Henderson <rth@redhat.com>
5797 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5798 (fold): Don't assume a constant isn't foldable.
5799 * tree.c (build): Set TREE_CONSTANT for an expression with no
5800 side-effects and constant operands.
5803 2001-02-10 Richard Henderson <rth@redhat.com>
5805 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5807 2001-02-10 Anthony Green <green@redhat.com>
5809 * cpp.texi (Standard Predefined): Add documentation for
5812 * c-common.c (combine_strings): Improve warning message.
5814 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5816 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5818 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5820 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5822 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5825 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5827 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5830 2001-02-09 Nick Clifton <nickc@redhat.com>
5832 * config/arm/arm.md: Change output contraint on post inc
5833 load/store multiple patterns to be a read/write contraint.
5835 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5837 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5838 .o files when using the -M options.
5840 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5841 David Edelsohn <edelsohn@gnu.org>
5843 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5844 handle DImode constants. Use one TOC entry for SImode and smaller
5845 constants, aligned properly.
5847 2001-02-08 Jason Merrill <jason@redhat.com>
5849 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5850 about the SP adjustment for saving the static chain pointer.
5851 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5852 offset when setting a temporary CFA register.
5854 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5856 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5857 powerpc-*-chorusos* .
5858 * config/rs6000/chorus.h : New file.
5859 * config/i386/chorus.h : New file.
5860 * config/sparc/chorus.h : New file.
5861 * config/sparc/t-chorus-elf : New file.
5863 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5865 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5866 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5867 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5868 (__WCHAR_TYPE__): Correct macro name.
5870 2001-02-08 Richard Henderson <rth@redhat.com>
5872 * config/i386/i386.c (ix86_frame_pointer_required): New.
5873 (ix86_setup_frame_addresses): New.
5874 (struct machine_funciton): Add accesses_prev_frame.
5875 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5876 ix86_frame_pointer_required.
5877 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5878 (SETUP_FRAME_ADDRESSES): New.
5879 * config/i386/i386-protos.h: Update.
5880 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5881 from FRAME_POINTER_REQUIRED.
5882 * config/i386/svr3gas.h: Likewise.
5883 * config/i386/sysv3.h: Likewise.
5884 * config/i386/v3gas.h: Likewise.
5886 2001-02-08 Richard Henderson <rth@redhat.com>
5888 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5889 calculation of the number of integer registers required.
5890 (function_arg_record_value): Likewise.
5892 2001-02-08 Jason Merrill <jason@redhat.com>
5894 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5895 two. Print file and line with "confused" message.
5897 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5899 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5901 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5903 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5905 * final.c (cleanup_subreg_operands): The address of a MEM can
5908 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5911 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5913 * gcc.texi (Incompatibilities): Update documentation of
5914 preprocessing numbers.
5916 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5918 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5920 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5922 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5924 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5925 * gcc.c (struct compiler): Add cpp_spec field.
5926 (input_file_compiler): New variable.
5927 (do_spec_1): Allow a particular compiler to handle `%C'
5929 (main): Store the current compiler in input_file_compiler.
5930 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5932 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5934 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5935 * cppinit.c (cpp_create_reader): Initialize them.
5936 (append_include_chain): cxx_aware arg might be unused.
5937 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5938 keywords and give them their phase 7 meaning. Pedwarn about
5939 this unless '__bool_true_false_are_defined' is defined.
5941 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5943 * lcm.c (optimize_mode_switching): Emit mode_set before the
5944 JUMP_INSN of an abnormal edge.
5946 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5948 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5949 a scheduling barrier at the end.
5951 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5953 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5955 * config/sh/sh.md (reload_outsf): Removed.
5956 (movsf_ie): Introduce constraints for FPUL loads and stores.
5957 (reload_insf): Broaden the output constraint.
5959 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5961 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5962 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5964 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5966 * final.c: Revert my previous changes.
5967 * output.h: Make profile_label_no extern.
5968 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5969 for generating label.
5971 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5973 * config/i386/djgpp.h: Add comments about standard paths.
5974 (MD_EXEC_PREFIX): Undefine before defining.
5975 (MD_STARTFILE_PREFIX): New.
5977 2001-01-30 Bruce Korb <bkorb@gnu.org>
5979 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5980 (load_file): do not rely on load_file_data() to close file pointer
5981 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5982 fixinc/inclhack.def(irix_limits_const): add test_text
5984 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5986 * cppexp.c (parse_defined): Improve diagnostics for invalid
5989 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5991 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5993 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5995 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5996 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5997 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5998 (rs6000_output_symbol_ref): New function.
5999 (output_toc): Use VTABLE_NAME_P.
6001 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6003 * print-tree.c (print_node, case PARM_DECL):
6004 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6006 * stor-layout.c (reference_types_internal): New variable.
6007 (internal_reference_types): New function.
6008 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6009 * tree.h (internal_reference_types): New declaration.
6011 * cse.c (find_best_addr): Fix typo in computing cost.
6013 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6015 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6016 and this is the sum of a pointer and a constant, we know the result
6018 (num_sign_bit_copies, case PLUS): Likewise.
6019 * explow.c (convert_memory_address): Remove opposite SUBREG.
6020 * function.c (instantiate_new_reg): New function (from common code).
6021 (instantiate_virtual_regs_1): Call it.
6022 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6023 if pointers sign- or zero-extend.
6024 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6025 If pointers extend unsigned, use inside of SUBREG.
6026 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6028 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6030 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6031 subdir of gcc_gxx_include_dir.
6032 (gcc_gxx_target_include_dir): Remove.
6034 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6036 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6037 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6038 a high-level description.
6040 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6042 * final.c: Move the declaration of profile_label_no to ...
6043 * output.h: ... here.
6044 * function.c (expand_function_start): Call PROFILE_HOOK.
6045 * config/rs6000/aix.h: Define PROFILE_HOOK.
6046 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6047 * config/rs6000/rs6000.c (output_profile_hook): Define.
6048 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6049 output_profile_hook.
6050 tm.texi : Explain new macro PROFILE_HOOK.
6052 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6054 * extend.texi (Extended Asm): Do not say that semicolon is always
6055 a valid line-breaking character for GNU assemblers. Use
6056 newline-tab as the most commonly supported syntax. Use
6057 newline-tab rather than semicolon in multi-insn examples.
6059 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6061 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6063 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6064 David Edelsohn <edelsohn@gnu.org>
6066 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6067 code for AIX, even without flag_pic.
6069 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6071 * c-typeck.c (common_type): push and pop binding level around
6072 calling common_type on function parameters.
6074 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6076 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6078 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6080 * config/mips/mips.c (override_options): Fix typo in last change.
6081 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6082 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6084 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6086 * invoke.texi (-fdump-class-layout): Document.
6087 (-fdump-translation-unit): Use `=' as filename separator.
6089 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6091 * Makefile.in (s-mlib): Don't build multilibs if
6093 (DRIVER_DEFINES): Adjust accordingly.
6095 (protoize.o): Likewise.
6096 (unprotoize.o): Likewise.
6097 * configure.in: Recognize --enable-multilib.
6099 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6101 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6103 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6104 * configure.in: Remove --enable-libstdcxx_v3 support.
6105 * configure: Regenerated.
6107 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6109 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6110 Call abort instead of fatal.
6111 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6112 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6113 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6114 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6115 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6116 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6118 * diagnostic.h (set_internal_error_function): Renamed.
6119 * toplev.h (internal_error): Renamed from fatal.
6120 (pfatal_with_name): Deleted.
6121 (fatal_io_error): Now has printf-style arguments.
6122 * diagnostic.c (pfatal_with_name): Deleted.
6123 (fatal_io_error): Rework to have args in printf-style.
6124 (set_internal_error_function): Renamed from set_fatal_function.
6125 (internal_error): Renamed from fatal.
6126 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6127 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6128 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6129 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6130 * flow.c (verify_flow_info): Likewise.
6131 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6132 * config/mips/mips.c (save_restore_insns): Likewise.
6134 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6135 * flow.c (verify_flow_info): Likewise.
6136 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6137 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6138 (avr_normalize_condition): Likewise.
6139 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6140 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6141 (limit_reload_class, double_reg_to_memory): Likewise.
6142 (print_operand_address, emit_1600_code_shift): Likewise.
6143 (gen_tst_reg, gen_compare_reg): Likewise.
6144 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6145 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6147 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6149 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6150 * objc/objc-act.c (build_ivar_chain): Likewise.
6151 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6153 * graph.c (clean_graph_dump_file): Likewise.
6154 * profile.c (init_branch_prob): Likewise.
6155 * objc/objc-act.c (objc_init): Likewise.
6157 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6158 * config/avr/avr.c (avr_override_options): Likewise.
6159 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6160 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6161 * config/h8300/h8300.c (h8300_init_once): Likewise.
6162 * config/mips/mips.c (override_options): Likewise.
6163 * config/i386/i386.c (override_options): Likewise, rework.
6164 * config/m68k/m68k.c (override_options): Likewise.
6166 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6168 * config/mips/mips.c (print_operand): Likewise.
6169 * hash.c (hash_allocate): Don't check for failure returns from
6170 obstack functions that can't fail.
6171 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6172 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6173 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6174 (get_object_reference): Likewise.
6176 2001-02-04 Nick Clifton <nickc@redhat.com>
6178 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6179 StrongARM1110, 10TDMI, and 1020T.
6181 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6183 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6185 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6187 * config/sh/sh.md (movdf load split): Pass register number to
6188 FP_OR_XD_REGISTER_P.
6190 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6192 * cppinit.c (BC): New macro.
6193 (builtin_array): Add __GXX_WEAK__.
6194 * cpplib.h (builtin_type): Add BT_WEAK.
6195 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6196 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6197 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6199 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6201 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6203 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6205 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6206 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6208 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6210 * cpphash.h: Rename ALIGN _ALIGN.
6211 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6213 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6215 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6216 compilation environment.
6217 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6218 control over location of cygwin includes and libs.
6220 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6222 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6224 2001-02-02 lars brinkhoff <lars@nocrew.org>
6226 * md.texi (Standard Names): remove reference to spur.md.
6228 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6230 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6231 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6232 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6233 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6234 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6236 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6238 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6239 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6240 number before reload.
6241 (c4x_adjust_cost): Return zero before reload.
6242 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6243 split before reload.
6245 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6247 * c4x.c (c4x_hard_regno_rename_ok): New.
6248 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6249 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6251 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6253 * diagnostic.h: Add missing "extern" in all declarations.
6255 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6257 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6258 as for gcc_gxx_include_dir.
6260 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6262 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6264 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6266 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6267 label before alignment to be used as the braf base address.
6268 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6270 (casesi_jump_2): Require at least TARGET_SH2.
6272 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6273 truncation to 32-bit doubles on -m3e and -m4-single-only.
6275 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6277 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6278 the default when building a shared object.
6279 (init_spec): Use it.
6280 * testsuite/lib/g++.exp: Include the directory where libgcc
6281 is located to the LD_LIBRARY_PATH list.
6282 * invoke.texi (-shared-libgcc): Document the cases in which
6283 GCC defaults to using the shared libgcc.
6285 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6287 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6288 unsigned is wide enough.
6290 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6291 (si_to_float): Likewise.
6292 (float_to_si, float_to_usi): Use BITS_PER_SI.
6294 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6296 * dwarf2out.c: Added explanation of abbreviations.
6297 (def_cfa_1): Added comments listing DWARF2 instructions.
6298 (cfa_temp_reg): Removed in favor of cfa_temp.
6299 (cfa_temp_value): Removed in favor of cfa_temp.
6300 (cfa_temp): New global variable.
6301 (dwarf2out_frame_debug_expr): Added extensive introductory
6302 comments explaining the function's transformations. Revised to
6303 use cfa_temp. Added some rtx checking. Generalize IOR case.
6304 (dwarf2out_frame_debug): Revised to use cfa_temp.
6305 (output_aranges): Cast as "unsigned" to avoid warning.
6306 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6307 explain which instructions must be marked.
6309 2001-02-01 Richard Henderson <rth@redhat.com>
6311 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6314 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6316 * config/sh/crt1.asm (main_k): Modified so that start calls
6317 ___setup_argv_and_call_main.
6319 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6321 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6322 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6323 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6324 * cppmacro.c (builtin_macro): Set builtin flags here.
6325 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6326 (replace_args): Clarify intent.
6327 (cpp_get_token): Macro expansion tokens get the saved flags.
6329 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6332 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6334 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6337 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6339 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6340 returns Pmode pseudo, but we need ptr_mode.
6341 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6342 Remove bogus conversions; use HOST_WIDE_INT for size.
6343 Don't use TARGET if wrong mode.
6345 * config/i386/i386.c (ix86_compute_frame_size): Allow
6346 stack_alignment_needed to be non-default even if size is zero.
6348 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6350 * pa.c (hppa_init_pic_save): New function.
6351 * pa.h (hppa_init_pic_save): Declare.
6352 * pa.md (call, call_value, sibcall, sibcall_value): Use
6353 the above instead of duplicated code.
6355 * pa.c (hppa_encode_label): Correct size of alloca buffer
6356 so we don't overrun it. Correct leading `*' case.
6357 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6358 need to handle `*@'.
6359 (FUNCTION_NAME_P): Likewise.
6361 2001-01-31 Richard Henderson <rth@redhat.com>
6363 * config.gcc (alpha-osf5): Use float-i128.h.
6365 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6366 * config/float-i32.h: Likewise.
6367 * config/float-i64.h: Likewise.
6368 * config/float-sh.h: Likewise.
6369 * config/float-sparc.h: Likewise.
6371 2001-01-31 DJ Delorie <dj@redhat.com>
6373 * expmed.c (extract_bit_field): allow non-integral modes if we
6374 want to extract a whole register from itself.
6376 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6378 * c-typeck.c (set_init_index): If first is equal to last, assume as
6379 if it was not a range at all.
6381 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6383 * config/fp-bit.c: Include tm.h.
6384 (float_to_si): Don't assume SImode is 32-bits wide.
6385 (float_to_usi): Likewise.
6387 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6389 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6391 (typename): Call pending_xref_error after parsing typed_typespecs.
6392 * c-decl.c (lookup_tag): Give error immediately rather than
6393 leaving it pending if the tag of the wrong type is in the same
6395 (xref_tag): Don't pedwarn for forward declarations of enum types
6397 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6400 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6402 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6404 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6406 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6407 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6409 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6411 * cpphash.h (struct cpp_reader): New saved_flags.
6412 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6413 to avoid a paste after a pasted token.
6415 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6417 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6418 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6419 Wtype_MIN instead of LONG_MIN.
6421 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6423 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6425 * fixinc/fixincl.x: Regenerated.
6426 * fixinc/inclhack.def (irix_limits_const): New definition to
6427 convert "const" to "__const" in limits.h.
6429 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6431 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6433 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6435 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6436 when register dies in the insn.
6438 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6440 * diagnostic.c (fatal): Fix word wrap.
6442 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6444 * combine.c (try_combine): Fix SUBREG setting for
6445 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6447 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6449 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6452 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6454 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6456 * toplev.c (decode_W_option): Update warn_larger_than
6457 unconditionally for each processed switch.
6459 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6461 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6463 (hppa_expand_prologue): Delete code to save pic offset table register
6464 in the function prologue.
6465 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6466 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6467 table register at the beginning of the function after the prologue.
6469 2001-01-29 lars brinkhoff <lars@nocrew.org>
6471 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6473 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6474 Jeff Law <law@redhat.com>
6476 * pa.md (return): Revise comment for trivial return.
6477 (return_internal): Non-trivial return pattern for non-PIC code.
6478 (return_internal_pic): Non-trivial return pattern for PIC code.
6479 It uses the PIC register to ensure it is restored after
6481 (epilogue): Generate appropriate return for PIC and non-PIC code.
6483 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6485 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6487 2001-01-29 DJ Delorie <dj@redhat.com>
6489 * combine.c (if_then_else_cond): Pass the correct mode to
6490 operand_subword() for constants.
6492 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6494 * config/i386/cygwin.h: Add w32api to include search. Search different
6495 directories in a cross-build environment.
6497 2001-11-29 Tim Josling <tej@melbpc.org.au>
6499 * tree.h (TYPE_STUB_DECL): Add documentation.
6501 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6503 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6504 (sdbout_field_types): Likwise. Fix use of host_integerp.
6506 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6508 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6511 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6513 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6514 to use flag_gnu_linker.
6516 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6518 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6519 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6521 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6523 * tree.c, tree.h (build_parse_node): Remove; was identical to
6525 * c-lang.c (start_cdtor), objc/objc-act.c
6526 (build_module_descriptor): Use build_nt instead of
6529 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6531 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6532 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6533 not have any upper bits set.
6535 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6537 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6539 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6541 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6543 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6545 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6546 (integer_minus_one_node): Define.
6548 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6550 * Makefile.in (bootstrap2-lean): Fix typo.
6552 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6554 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6555 : Don't set fe_value.
6556 * cpplib.h (AVOID_LPASTE): New flag.
6557 (struct cpp_hashnode): Remove fe_value.
6558 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6559 * cppmacro.c (builtin_macro): Don't set flags here.
6560 (replace_args): Set AVOID_LPASTE flag on first token of an
6561 argument, and the token following it.
6562 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6563 macro expansion, and on the token following it. Do it for
6565 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6567 2001-01-27 Richard Henderson <rth@redhat.com>
6569 * config/alpha/t-ieee: Remove multilibbing.
6570 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6572 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6574 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6576 * Makefile.in: Remove all dependencies on defaults.h.
6577 * builtins.c: Don't include defaults.h.
6578 * c-common.c: Likewise.
6579 * c-decl.c: Likewise.
6580 * c-pragma.c: Likewise.
6581 * c-typeck.c: Likewise.
6582 * combine.c: Likewise.
6584 * frame-ia64.c: Likewise.
6585 * cppexp.c: Likewise.
6586 * crtstuff.c: Likewise.
6587 * dbxout.c: Likewise.
6588 * dwarf2out.c: Likewise.
6589 * dwarfout.c: Likewise.
6590 * emit-rtl.c: Likewise.
6591 * except.c: Likewise.
6593 * final.c: Likewise.
6594 * frame-dwarf2.c: Likewise.
6595 * libgcc2.c: Likewise.
6596 * optabs.c: Likewise.
6597 * profile.c: Likewise.
6598 * sdbout.c: Likewise.
6599 * toplev.c: Likewise.
6600 * tradcif.y: Likewise.
6602 * varasm.c: Likewise.
6604 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6606 * builtins.c (expand_builtin_fputs): Use size_one_node when
6607 transforming into fwrite.
6609 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6611 * extend.texi (Attribute Syntax): New section.
6613 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6615 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6616 they didn't need fixing.
6618 2001-01-27 Janis Johnson <janis@us.ibm.com>
6620 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6622 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6623 to remove macro definitions that are duplicated from elfos.h.
6625 2001-01-27 Richard Henderson <rth@redhat.com>
6627 * config/i386/sco5gas.h: Move ...
6628 * config/usegas.h: ... here.
6629 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6631 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6633 * c-typeck.c (struct constructor_stack): Add range_stack member.
6634 (really_start_incremental_init): Clear it.
6635 (push_init_level): Save constructor_range_stack and clear it if
6636 pushing explicit braces.
6637 (pop_init_level): abort if constructor_range_stack is non-zero at
6638 explicit closing brace. Restore saved constructor_range_stack if
6641 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6643 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6644 into register was forced into memory.
6646 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6648 * Makefile.in: Remove uses of + before $(MAKE).
6650 2001-01-26 Richard Henderson <rth@redhat.com>
6652 * stmt.c (cost_table): Remove.
6653 (COST_TABLE, cost_table_initialized): New.
6654 (estimate_case_costs): Use the later instead of the former.
6655 (balance_case_nodes): Likewise.
6657 2001-01-26 Richard Henderson <rth@redhat.com>
6659 * alias.c (objects_must_conflict_p): Read-only slots may not
6660 conflict despite having the same type.
6662 2001-01-27 Michael Hayes <mhayes@redhat.com>
6664 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6666 (check_ext_dependant_givs): Initialise u_start_val and
6668 (load_mems): Make last_max_reg unsigned.
6669 (try_swap_copy_prop): Use INSN_P and initialise set.
6671 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6673 * README.AVR : Removed.
6675 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6677 * pa-64.h (text_section): Remove declaration.
6679 * pa.md (return_internal): Remove mode on PIC register use.
6681 2001-01-25 lars brinkhoff <lars@nocrew.org>
6683 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6684 ASM_CLOSE_PAREN): fix typos.
6686 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6688 * acconfig.h: Define `const' to the empty string if neither
6689 __STDC__ nor __cplusplus is defined.
6690 * config.in: Regenerated.
6692 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6694 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6695 * collect2.c (main): Delete importf. Add ".obj" file extension.
6696 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6697 (aix_std_libs): Add additional AIX libraries to skip.
6698 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6699 * config/rs6000/aix51.h: New file.
6701 2001-01-25 Michael Hayes <mhayes@redhat.com>
6703 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6704 (loop_insn_emit_before): No longer static.
6705 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6706 (loop_givs_rescan, load_mems): Likewise.
6707 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6708 (maybe_eliminate_biv_1):
6709 (move_movables): Replace emit_call_insn_before with
6710 loop_call_insn_hoist.
6711 * loop.h (loop_insn_emit_before): Add.
6712 * unroll.c (copy_loop_body): Replace emit_insn_before with
6713 loop_insn_emit_before.
6715 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6717 * diagnostic.c (fatal): Request preprocessed source.
6719 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6721 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6722 olddecl has argument types and newdecl has none, use the argument
6725 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6727 * dwarf2out.c (prefix_of): New function. Determine longest common
6728 prefix of the two arguments. The units are whole path components.
6729 (output_file_names): When adding a new directory find the one entry
6730 with the longest common prefix already in the list. Artificially
6731 generate entry if there is none for this prefix.
6732 Fix test to check whether the zeroth directory entry is used.
6734 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6736 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6737 Changed all callers. Take it into account when deciding if a
6738 previously loaded value matches.
6740 2001-01-24 Richard Henderson <rth@redhat.com>
6742 * reload.c (find_reloads_subreg_address): Fail the substitution
6743 if the resulting address is insufficiently aligned.
6745 2001-01-24 DJ Delorie <dj@redhat.com>
6747 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6748 check the original operand's mode also.
6749 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6751 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6753 * c-parse.in (cast_expr): Move compound literals from here ...
6754 (primary): ... to here. Use standard terminology "compound
6755 literal" instead of "constructor expression".
6757 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6759 * gcc.1, cpp.1: Regenerate.
6761 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6763 * calls.c (emit_library_call_value_1): Memory slot for
6764 pass-by-reference argument should have the mode of the argument,
6765 not of the pointer to it.
6767 2001-01-24 Tom Tromey <tromey@redhat.com>
6769 * gcc.texi (G++ and GCC): Mention gcj manual.
6770 (Standards): Link to section of manual mentioning gcj/Java
6773 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6775 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6776 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6777 * tradcpp.c (main): Add -imacros or -include'd dependencies
6779 * cpp.texi (-M, -MM): Document -M -include behaviour.
6781 2001-01-24 Roger Collins <roger@ProProject.com>
6783 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6785 2001-01-24 Will Cohen <wcohen@redhat.com>
6787 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6788 whether registers are 32 bits or 64 bits in size.
6790 2001-01-24 Ben Elliston <bje@redhat.com>
6792 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6794 2001-01-24 Richard Henderson <rth@redhat.com>
6796 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6797 (builtin_longjmp): Use it instead of emit_indirect_jump.
6799 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6801 * bb-reorder.c (make_reorder_chain_1): Handle case where
6802 jump edge goes to the same block as the fallthru edge.
6804 2001-01-23 Jim Wilson <wilson@redhat.com>
6806 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6807 * frame.h (__ia64_personality_v1): Add prototype.
6808 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6809 prototype form. Add void * cast to first argument to personality
6811 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6812 (asctoe113): Likewise.
6813 * config/ia64/frame-ia64.c: Include eh-common.h.
6814 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6816 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6818 (itanium_split_issue): Add prototype.
6819 (gen_nop_type): Ifdef out.
6820 (find_best_packet): Initialize best_packet.
6821 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6823 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6824 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6825 (flushrs): Add explicit stop bit at end.
6826 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6829 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6831 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6833 * libgcc2.c (__terminate_func): Make variable static.
6834 (__terminate_set_func): New function to set __terminate_func.
6835 * libgcc2.h (__terminate_func_ptr): New typedef.
6836 (__terminate_set_func): New function.
6838 2001-01-23 Richard Henderson <rth@redhat.com>
6840 * flow.c (init_propagate_block_info): Don't consider unchanging
6841 memories for dead frame store elimination.
6843 2001-01-23 Richard Henderson <rth@redhat.com>
6845 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6846 * defaults.h: ... here.
6848 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6850 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6852 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6854 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6856 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6858 * rs6000.h (rs6000_return_addr): Move prototype from here...
6859 * rs6000-protos.h (rs6000_return_addr): ...to here.
6860 (rs6000_init_expanders): Delete prototype.
6862 2001-01-23 Nick Clifton <nickc@redhat.com>
6864 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6865 (Spec Files): Document %B and %j and %. and %v3 and %M and
6866 %{S*&T} spec switches.
6868 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6870 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6872 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6873 Neil Booth <neil@daikokuya.demon.co.uk>
6875 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6876 Have -Werror make pedantic warnings errors, like the
6879 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6881 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6883 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6885 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6886 * integrate.c (expand_inline_function): Initialize them.
6887 (subst_constants): If changing COMPARE so that both its arguments
6888 will be VOIDmode and the comparison mode will be lost, note
6889 compare_mode. Use the recorded compare_mode to optimize
6892 2001-01-23 Jason Merrill <jason@redhat.com>
6894 * dwarf2out.c (new_die): Use xcalloc.
6895 (output_die): Abort rather than emit a local reference to offset 0.
6897 2001-01-17 Andrew Haley <aph@redhat.com>
6899 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6900 of a saved register; return NULL instead.
6901 (copy_reg): Take a pointer to a source register rather than a
6903 (next_stack_level): Remember the address in the stack frame of all
6905 Use the saved register pointer array as the source of the CFA.
6906 (throw_helper): Rewrite. Unwind once rather than twice and keep
6907 track of saved registers as we go.
6909 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6911 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6912 * c4x.c (c4x_legitimize_reload_address): Remove.
6913 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6914 reload address for ldp(k) insn.
6916 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6918 * pa.md (return_internal): Add a USE of the PIC register to ensure
6919 it is restored after each call.
6920 (return expander): Corresponding changes.
6922 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6924 * rs6000.h (INIT_EXPANDERS): Delete.
6925 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6926 * rs6000.c (rs6000_override_options): Call *_machine_status from
6928 (rs6000_init_expanders): ...instead of here. Delete.
6929 (rs6000_mark_machine_status): New function.
6930 (rs6000_init_machine_status): Use xcalloc.
6931 (rs6000_return_addr): Generate RTX for the return address.
6932 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6933 (rs6000_stack_info): Use it.
6935 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6937 * gthr-win32.h: Include errno.h to get a declaration for
6938 EINVAL and _mingw.h if the target is mingw32.
6940 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6942 * cpp.texi: Correct typos.
6944 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6946 * explow.c (probe_stack_range): Ensure value passed to
6947 stack_check_libfunc is ptr_mode, not Pmode.
6949 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6951 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6952 case, don't use operand_subword to calculate a SUBREG that is
6955 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6957 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6959 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6960 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6961 valid. If not replace it by equivalent insns.
6963 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6965 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6966 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6967 (c4x_U_constraint, symbolic_address_operand): Likewise.
6968 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6970 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6971 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6972 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6973 anulling slot because of silicon bug.
6974 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6976 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6978 * cppexp.c (parse_charconst): Change `mask' type to agree
6981 2001-01-21 Richard Henderson <rth@redhat.com>
6983 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6984 pic_label_name in a linkonce section.
6986 2001-01-17 Philipp Thomas <pthomas@suse.de>
6988 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6990 * configure: Regenerate.
6992 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6994 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6995 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6997 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6999 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7000 If REVERSE nonzero then condition code in X must be reversed.
7001 (encode_section_info): Optimise if/else.
7002 (avr_function_value): Fix formatting.
7004 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7005 (difficult_branch): Likewise.
7006 (rvbranch): Likewise.
7007 (difficult_rvbranch): Likewise.
7009 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7011 * config/avr/libgcc.S: Fix comment.
7013 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7015 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7017 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7019 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7021 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7023 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7024 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7025 * configure, config.in: Regenerate.
7026 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7027 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7028 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7029 (doprint.o): New rule.
7031 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7033 * c-typeck.c (digest_init): Handle boolean types as scalars.
7035 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7037 * stmt.c (expand_return): Don't return anything if size is zero.
7038 Delete redundant assignment to BYTES.
7039 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7041 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7043 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7044 the same as the default library function names.
7045 * config/avr/avr.md: Document special characters after '%'.
7046 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7047 knowing which of the call-used registers are really clobbered.
7048 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7049 New. Both quotient and remainder from one libgcc.S call.
7050 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7051 clobber as few registers as possible.
7052 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7054 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7056 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7057 context of the top of the stack.
7059 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7061 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7062 (fixup_var_refs_insns): ...here.
7064 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7066 * function.c (fixup_var_refs_insns): Break up into
7067 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7068 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7069 [loop over hash table entries].
7070 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7071 fixup_var_refs_insns_with_hash, to match above changes.
7073 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7075 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7076 (libgcc.a): Likewise.
7077 (stmp-multilib): Likewise.
7078 (STAGE2_FLAGS_TO_PASS): Likewise.
7080 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7082 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7083 temporary if no_new_pseudos.
7085 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7087 * cppinternals.texi: Update.
7089 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7091 * arm.c (arm_init_builtins): Re-enable builtins.
7093 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7095 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7096 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7097 element to be null, and always expect an EXPR_LIST.
7098 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7099 * sched-deps.c (sched_analyze_1): Likewise.
7100 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7102 * regclass.c (max_set_parallel): New variable.
7103 (reg_scan): Take it into account in computation of max_parallel.
7104 (reg_scan_mark_refs, case SET): Compute it.
7106 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7108 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7109 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7111 2001-01-19 Jason Merrill <jason@redhat.com>
7113 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7114 for the abstract instance of an inline function.
7116 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7117 J"orn Rennecke <amylaar@redhat.com>
7119 * reload1.c (move2add_note_store): Treat all registers directly or
7120 indirectly derived from a base register as members of the same set
7122 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7123 of base register into account.
7125 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7127 * alias.c (find_base_value): Recognize TRUNCATE.
7128 (record_set): In PLUS case, invalidate if other summand is also a
7131 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7133 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7134 entry to be EXPR_LIST.
7135 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7136 be an EXPR_LIST (but not null, which other code doesn't allow).
7137 (note_stores): Properly handle PARALLEL in SET.
7138 Recursively call for top-level PARALLEL.
7139 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7140 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7142 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7144 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7146 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7147 not pfile->skipping (== 0).
7149 2001-01-17 Nick Clifton <nickc@redhat.com>
7151 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7154 2001-01-17 Jim Wilson <wilson@redhat.com>
7156 * invoke.texi (IA-64 options): Improve.
7158 2001-01-17 Tom Tromey <tromey@redhat.com>
7160 * invoke.texi (Optimize Options): Use `{}' to around @samp
7163 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7165 * invoke.texi (-fno-guess-branch-probability): New option.
7167 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7169 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7170 case of making new double-word constant.
7171 Revert last change: instead just test i3_subst_into_i2.
7173 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7175 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7176 Use q constraints instead of r.
7178 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7180 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7181 (machine_function): Define.
7182 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7183 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7184 pa_free_machine_status): New functions.
7185 (override_options): Set {init,mark,free}_machine_status to above.
7186 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7187 PIC_OFFSET_TABLE_REGNUM_SAVED.
7188 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7189 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7190 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7191 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7192 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7194 2001-01-15 DJ Delorie <dj@redhat.com>
7196 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7200 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7202 * flow.c (propagate_on_insn): Make trying to delete a prologue
7203 or epilogue insn an ICE, not a warning. Allow doing this if
7204 the current function returns with stack pointer depressed.
7206 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7207 I3 having more than one SET.
7209 2001-01-16 Jim Wilson <wilson@redhat.com>
7211 * invoke.texi: Document IA-64 options.
7213 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7214 (fixup_errata): Delete TARGET_A_STEP use.
7215 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7216 (TARGET_SWITCHES): Delete -ma-step option.
7217 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7218 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7219 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7220 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7221 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7222 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7224 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7225 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7226 cmovsi_internal): Delete ! TARGET_A_STEP check.
7228 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7230 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7231 possibility to report bugs via postal mail. Change a URL and
7232 merge in a nearly duplicate statement...
7233 (Bug Reporting): ...from here.
7234 (Service): Refer to the Bug Reporting section instead of
7236 (Contributing): Remove trivial explanations concerning snapshots.
7238 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7240 * cppmain.c (general_init): Don't use ANSI prototype.
7242 2001-01-16 Tom Tromey <tromey@redhat.com>
7244 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7246 2001-01-16 Richard Henderson <rth@redhat.com>
7248 * config/i386/i386.h: Fix comment typo.
7249 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7250 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7252 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7254 * gcc.c: Revert previous -fsyntax-only-related change; move
7257 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7259 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7260 inmode after checking GET_CODE (op).
7262 2001-01-16 Richard Henderson <rth@redhat.com>
7264 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7265 (MAX_MEM_SET_LIST_LEN): New.
7266 (propagate_one_insn): Update mem_set_list_len.
7267 (invalidate_mems_from_autoinc): Likewise.
7268 (invalidate_mems_from_set): Likewise.
7269 (mark_used_regs): Likewise.
7270 (init_propagate_block_info): Likewise. Stop collecting memories
7271 when we reach MAX_MEM_SET_LIST_LEN.
7272 (mark_set_1): Likewise.
7274 2001-01-16 Richard Henderson <rth@redhat.com>
7276 * unroll.c (precondition_loop_p): Fail if no iteration
7279 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7281 * gcc.c: When -fsyntax-only is given, do not complain about
7284 2001-01-15 Richard Henderson <rth@redhat.com>
7286 * config/i386/i386.c (asm_output_function_prefix): Remove.
7287 (ix86_asm_file_end): New.
7288 (load_pic_register): Generate pic_label_name into a
7289 staticly allocated buffer.
7290 * config/i386/i386-protos.h: Update.
7291 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7292 (ASM_FILE_END): New.
7293 * config/i386/i386afe.h: New file.
7294 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7295 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7296 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7297 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7298 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7299 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7300 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7302 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7304 * Makefile.in (install-man): Remove explicit dependency on
7307 * configure.in, configure: Revert previous patch requiring perl
7310 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7312 * toplev.c (flag_guess_branch_prob): New.
7313 (f_options): Add guess-branch-probability option.
7314 (rest_of_decl_compilation): Only estimate branch probability if
7316 (main): set flag_guess_branch_prob.
7318 * flags.h (flag_guess_branch_prob): New.
7320 2001-01-15 DJ Delorie <dj@redhat.com>
7322 * gcc.texi (Makefile): Add documentation for Makefile targets.
7324 2001-01-15 Philip Blundell <philb@gnu.org>
7326 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7328 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7329 (is_pic): Delete declaration.
7330 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7331 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7332 * config/arm/arm.md (builtin_setjmp_receiver): New.
7334 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7336 * arm.c (use_return_insn): Don't try to determine the function type
7337 until after reload has completed.
7338 (arm_output_epilogue): Don't adjust the sp value recovered from the
7340 (emit_multi_reg_push): Don't record dwarf information for the pc.
7341 * arm.md (eh_epilogue): The function type may have changed, so it
7342 needs to be recalculated.
7343 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7344 unwind tables on arm/netbsd.
7346 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7348 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7349 (negated_cbranchsi4): Likewise.
7351 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7353 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7354 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7355 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7356 pass -mapcs-* options to assembler.
7357 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7358 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7359 (ASM_SPEC): Call subtarget_extra_asm_spec.
7361 2001-01-15 Andreas Jaeger <aj@suse.de>
7363 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7365 (ix86_expand_builtin): Likewise.
7367 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7368 warning about comparison between signed and unsigned.
7370 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7372 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7374 2001-01-14 Ralf Baechle <ralf@gnu.org>
7376 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7377 SUBTARGET_CPP_SPEC apropriatly.
7379 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7381 * varasm.c (make_decl_rtl): Fix typo in last change.
7383 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7385 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7386 linker supports the init_priority C++ attribute.
7387 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7388 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7389 linker does not support init_priority C++ attribute.
7391 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7393 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7395 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7397 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7398 * cp/lex.c (finish_parse): Similarly.
7399 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7400 Return the number of errors encountered.
7401 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7402 * cppmain.c (main): Don't call cpp_destroy.
7404 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7406 * configure.in: Require at least perl 5.6.0 to regenerate
7408 * configure: Regenerate.
7410 2001-01-14 Richard Henderson <rth@redhat.com>
7412 * genrecog.c (DT_veclen_ge): New.
7413 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7414 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7415 (nodes_identical_1): Handle DT_veclen_ge.
7416 (write_cond, debug_decision_2): Likewise.
7418 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7420 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7422 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7424 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7426 * cppmain.c (do_preprocessing): New function; most of the old
7428 (main): Call it to do most of the work.
7429 (cb): Move from global scope to set_callbacks ().
7430 (setup_callbacks): Get the callback pointer.
7431 (general_init, printer_init): Clean up code and comments.
7433 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7435 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7438 2001-01-14 Kazu Hirata <kazu@hxi.com>
7440 * config/h8300/h8300.c (get_shift_alg): Update comments.
7442 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7444 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7445 (alloc_page, ggc_alloc): Add casts to remove warnings.
7447 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7449 * combine.c (simplify_comparison): Don't change `code' when
7450 can't reverse comparison.
7452 2001-01-14 Richard Henderson <rth@redhat.com>
7454 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7455 update all call sites. Return true for all non-label constants.
7457 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7459 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7461 (ix86_expand_branch): Update.
7462 (ix86_expand_setcc): Update to handle multiple test conditions.
7463 (expand_int_movcc): Likewise.
7464 (expand_fp_movcc): Likewise.
7465 * i386-protos.h (ix86_expand_compare): New.
7466 * i386.md (andqi_?_slp, orqi_?_slp): New.
7467 (conditional trap expander): Update call to ix86_expand_compare.
7469 2001-01-14 Richard Henderson <rth@redhat.com>
7471 * config/vax/vax.md: Use nonimmediate_operand instead of
7472 general_operand in destinations.
7474 * config/vax/vax.md (indirect_jump): Use register_operand.
7476 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7477 * config/vax/vax.md (call_pop): Turn into an expander.
7478 (call_value_pop): Likewise.
7479 (call, call_value): New.
7481 2001-01-14 Andreas Jaeger <aj@suse.de>
7483 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7485 (ix86_fp_compare_mode): Add unused attribute.
7486 (ix86_expand_fp_movcc): Remove unused variable.
7487 (ix86_expand_builtin): Make fcode unsigned.
7489 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7490 (expand_expr): Add cast to avoid signed warning.
7491 (store_field): Likewise.
7492 (store_constructor_field): Likewise.
7493 (store_constructor): Likewise.
7494 (store_expr): Likewise.
7495 (clear_storage): Likewise.
7496 (emit_group_store): Likewise.
7497 (emit_group_load): Likewise.
7499 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7501 * c-common.c: Move format checking code to ...
7502 * c-format.c: ... here. New file. Reorder some functions and
7504 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7506 * c-common.h (decl_handle_format_attribute,
7507 decl_handle_format_arg_attribute): Declare.
7508 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7509 (c-common.o): Adjust dependencies.
7510 (c-format.o): New list of dependencies.
7512 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7514 * unroll.c (loop_iterations): If we cannot prove iteration variable
7515 is set once in each iteration, punt.
7517 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7519 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7520 (*strlenhi): Remove clobber (which was buggy) of output address.
7522 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7524 * Makefile.in (generated-manpages): Add gcc.1
7525 ($(srcdir)/gcc.1): New target.
7526 (maintainer-clean): Delete $(srcdir)/gcc.1.
7527 * gcc.texi: Add macros @gccoptlist and @gol.
7528 * invoke.texi: Include option summary in manpage. Mark up option
7529 summary with @gccoptlist and @gol. Use @r in one place where
7531 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7532 * gcc.1: Generate from invoke.texi.
7534 2001-01-13 Richard Henderson <rth@redhat.com>
7536 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7537 (struct page_entry): Add group member.
7538 (struct page_group): New.
7539 (struct globals): Add page_groups member.
7540 (alloc_anon): Only define for using mmap; remove valloc call.
7541 (page_group_index): New.
7542 (set_page_group_in_use): New.
7543 (clear_page_group_in_use): New.
7544 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7545 (free_page, release_pages): Likewise.
7546 * configure.in (with-gc): Default to ggc-page always.
7548 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7550 * reload1.c (replace_pseudos_in_call_usage): Use
7551 reg_equiv_constant and reg_equiv_address, and don't try
7552 regno_reg_rtx first.
7554 2001-01-13 Richard Henderson <rth@redhat.com>
7556 * ggc-page.c (alloc_page): Round up allocation size to one page.
7557 Set e->order on extra pages.
7559 2001-01-13 Richard Henderson <rth@redhat.com>
7561 * genrecog.c (nodes_identical): Expand commentary.
7562 (write_switch): Watch out for identical nodes.
7564 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7566 * cppfiles.c (_cpp_fake_include): New function.
7567 * cpphash.h (_cpp_fake_include): New.
7568 * cpplib.c (do_line): Call _cpp_fake_include when entering
7569 header files in preprocessed input.
7570 * cppmain.c (cb_pragma_implementation): Remove handling.
7571 (setup_callbacks): Don't register pragmas.
7573 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7575 * extend.texi: Udate for CPP.
7577 2001-01-13 Andreas Jaeger <aj@suse.de>
7579 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7581 * regmove.c: Add prototype for replace_in_call_usage.
7583 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7585 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7586 struct cpp_chunk, struct htab, struct toklist,
7587 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7588 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7589 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7590 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7591 (struct macro_args): Delete.
7592 * cpphash.h: See above.
7594 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7596 * cppmain.c (struct printer): Remove no_line_dirs.
7598 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7599 : Use options rather than CPP_OPTION.
7600 (setup_callbacks): Use cb rather than pfile->cb.
7601 (main): No need to check for a buffer. Use cpp_errors.
7602 (printer_init): Don't set no_line_dirs.
7603 (maybe_print_line): Use options not no_line_dirs.
7604 (cb_file_change): Don't call print_line if -P.
7606 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7608 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7610 * c-parse.in (finish_parse): Use cpp_errors.
7611 (__yylex): Use return value of cpp_pop_buffer.
7612 * cp/lex.c (finish_parse): Use cpp_errors.
7613 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7615 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7617 * README.AVR: URLs corrected.
7619 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7621 * c-decl.c (start_function): Don't warn if old prototype is builtin
7622 that's not in C's namespace.
7623 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7624 (_bb): Add prototype for ctime.
7625 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7627 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7629 * i386.c (ix86_fp_comparison_arithmetics_cost,
7630 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7631 ix86_fp_comparison_cost): New functions.
7632 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7633 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7634 two-branch sequences; make static.
7635 (ix86_use_fcomi_compare): Do decision according to the costs.
7636 (split_fp_branch): New.
7637 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7638 * i386-protos.h (ix86_expand_fp_compare): Remove
7639 (ix86_split_fp_branch): Declare.
7641 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7642 and ix86_comparison_operator.
7644 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7647 * i386.c (put_condition_code): Output properly the unordered/ordered
7648 compares in fp case.
7649 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7651 * tm.texi (REVERSE_CONDITION): Document.
7652 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7653 in -ffast-math mode.
7654 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7656 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7658 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7660 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7663 * config/sh/sh.c (mova_p): Fix test for mova_const.
7665 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7667 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7668 cpp_get_options rather than dereferencing pfile and using
7670 * scan-decls.c (scan_decls): Use return value of
7671 cpp_pop_buffer rather than CPP_BUFFER.
7673 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7675 * cppinit.c (cpp_handle_option): help_only is now part of the
7676 cpp_options structure.
7677 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7678 cpp_set_callbacks): New functions.
7679 * cpplib.h (cpp_callbacks): Break out as a named structure.
7680 (cpp_options): Move help_only here from cpp_reader.
7681 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7682 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7683 cpp_set_callbacks): New prototypes.
7684 * cppmain.c (main): Update for help_only.
7686 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7688 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7689 Also build and remove and install and uninstall c-tree.info and
7691 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7692 ($(srcdir)/cppinternals.info): New target.
7693 * c-tree.texi: Change file name used when makeinfo used without -o
7694 from ir.info to c-tree.info. Add info directory entry.
7695 * cppinternals.texi: Add info directory entry.
7696 * .cvsignore: Update.
7698 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7700 * c-typeck.c (store_init_value): Don't require constant initializer
7701 elements with -pedantic -std=c99.
7702 (digest_init): Change error about non-constant initializer elements
7704 (constructor_range_end): Remove.
7705 (constructor_incremental, designator_depth,
7706 designator_errorneous): New variables.
7707 (struct constructor_stack): Remove range_end, add incremental.
7708 (struct constructor_range_stack, constructor_range_stack): New.
7709 (struct initializer_stack): Add constructor_range_stack.
7710 (finish_init): Set it.
7711 (start_init): Likewise. require_constant_elements for non-static
7712 trees only if not flag_isoc99.
7713 (really_start_incremental_init): Remove constructor_range_end, add
7714 constructor_incremental.
7715 (pop_init_level): Likewise.
7716 (push_init_level): Likewise. If implicit and the subobject had some
7717 value set already, preinitialize the level with it.
7718 Warn about missing braces only if not pushing due to designators.
7719 (set_designator, push_range_stack): New functions.
7720 (set_init_label): Use them.
7721 (set_init_index): Likewise. Remove constructor_range_end.
7722 Error if designator index is outside of array bounds.
7723 (add_pending_init): Compare values of purpose index trees, not the
7724 trees themselves. Allow overwriting of already initialized element.
7725 Issue a warning if it had side-effects.
7726 (set_nonincremental_init, set_nonincremental_init_from_string): New
7728 (pending_init_member): Rename to...
7729 (find_init_member): ...this function. Call set_nonincremental_init
7730 if necessary. Compare values of purpose index trees, not the trees
7731 themselves. Return the actual value, not just non-zero if something
7733 (output_init_element): Remove checks for duplicates.
7734 If field has zero size, only check the initializer for correctness.
7735 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7736 if constructor_incremental is zero. Change error about initializers
7737 not computable at load time into pedwarn.
7738 (output_pending_init_elements): Compare bit positions, not
7739 FIELD_DECLs to take into account zero-sized fields.
7740 (process_init_element): Use constructor_range_stack to fill all
7741 ranges in the designator lists from current level up.
7742 * extend.texi: Update documentation for labeled elements.
7744 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7746 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7747 to function usage for arguments passed by reference. Optimize
7748 callee-copied arguments.
7749 * regmove.c (replace_in_call_usage): New function.
7750 (fixup_match_1): Call it.
7751 * cse.c (cse_insn): Canonicalize registers in function usage.
7752 * reload1.c (replace_pseudos_in_call_usage): New function.
7755 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7758 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7760 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7763 2001-01-12 DJ Delorie <dj@redhat.com>
7765 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7766 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7769 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7771 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7772 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7773 -std options alongside references to -ansi. Update some
7774 documentation for C99.
7775 * cpp.1: Regenerate.
7777 2001-01-12 Andreas Jaeger <aj@suse.de>
7779 * haifa-sched.c (restore_line_notes): Remove argument block B
7781 * sched-ebb.c (schedule_ebb): Change caller.
7782 * sched-rgn.c (schedule_region): Likewise.
7783 * sched-int.h (restore_line_notes): Adjust prototype.
7785 * loop.h: Remove wrong declaration of doloop_condition_get.
7787 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7789 * extend.texi: Move C++-extension-related node from the C section
7790 into the C++ section.
7792 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7794 * extend.texi: Refer to an array of pointers to functions instead
7795 of one of functions.
7797 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7798 Jan Hubicka <jh@suse.cz>
7800 * combine.c (reversed_comparison): Fix typo in last patch.
7802 (combine_reversed_comparison_code): Make static to follow
7803 prototype declaration.
7805 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7807 * install.texi: Remove misplaced duplicate entry.
7809 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7811 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7813 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7815 * final.c: (leaf_function_p): Fix typo.
7817 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7819 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7820 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7822 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7823 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7824 mmap_anon, and valloc is available.
7825 * ggc-page.c: Restructure ifdef logic to match new autoconf
7826 spec. Don't throw away the test page in init_ggc.
7828 * configure, config.in: Regenerate.
7830 2001-01-12 Michael Hayes <mhayes@redhat.com>
7832 * loop.h (total_biv_increment): Constify iv_class pointer.
7833 (struct induction): Replace `mem_mode' with `mem' rtx.
7834 * unroll.c (total_biv_increment): Constify iv_class pointer.
7835 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7836 (find_mem_givs, combine_givs_p): Likewise.
7837 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7839 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7841 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7843 (__gthread_getspecific): Ditto.
7845 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7847 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7848 put_condition_code): Convert fp comparison codes to integer
7850 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7853 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7854 * i386-protos.h (no_comparison_operator): Kill.
7856 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7858 * combine.c (REVERSIBLE_CC_MODE): Remove.
7859 (reversible_comparison_p): Remove.
7860 (combine_reversed_comparison_code): New.
7861 (reversed_comparison): New.
7862 (combine_simplify_rtx): Use
7863 combine_reversed_comparison_code/reversed_comparison instead
7864 of reversible_comparison_p.
7865 (simplify_if_then_else): Likewise.
7866 (simplify_set): Likewise.
7867 (simplify_logical): Likewise.
7868 (if_then_else_cond): Likewise.
7869 (known_cond): Likewise.
7870 (simplify_comparison): Likewise.
7872 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7874 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7875 sizeof (int) is larger than sizeof(__word__).
7877 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7879 * cppinit.c (do_includes): Fix typo.
7881 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7883 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7884 in S_REGS does not occur because not all sources are possible
7885 when a S_REGS is a destination (sometimes needs a clobber).
7886 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7887 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7888 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7889 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7890 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7891 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7892 (lshrdi_const1, lshrsi3_const16): Likewise.
7893 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7894 (*movhi_68hc12, *movqi_68hc12): Likewise.
7895 (movstrictqi): Make sure reloading in D_REGS as a destination
7898 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7900 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7902 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7904 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7905 -D, -U and -A, and don't initialize the builtins.
7906 (do_includes): Error if -include or -imacros with -fpreprocessed.
7907 * cppmain.c (cb_define, cb_undef): Unconditionally process
7909 * tradcpp.c (main): Fix typo.
7911 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7913 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7914 (read_name_map): Use IS_ABSOLUTE_PATH.
7915 * tradcpp.c (get_filename): Likewise.
7917 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7919 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7920 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7921 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7922 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7923 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7924 (cmphi_z_used): Don't use '@' for the output.
7925 (tstqi_z_used): Likewise.
7926 (cmpqi_z_used): Likewise.
7927 (one_cmplsi2): Likewise.
7929 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7931 * config/sh/sh.c (barrier_align): Recognize branch around far
7932 branch and redundant insn.
7934 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7936 * invoke.texi: Restore documentation of the drivers' switches -MD
7939 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7941 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7943 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7944 check-objc//%): Support parallel testing of multilibs.
7945 (TESTSUITEDIR): Set to testsuite by default, but override for
7947 (check-gcc, check-g++, check-g77, check-objc): Enter
7950 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7952 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7953 * sched-deps.c (deps_may_trap_p): Likewise.
7954 * basic-block.h: Remove a comment.
7955 * flow.c (PROP_POSTRELOAD): Remove.
7956 (update_life_info): Don't add it to prop_flags.
7957 (mark_set_1): Lose the code that was enabled by it.
7959 2001-01-11 Michael Hayes <mhayes@redhat.com>
7961 * flow.c (flow_call_edges_add): New.
7962 * basic_block.h (flow_call_edges_add): New.
7964 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7966 * reload1.c (move2add_note_store): Update reg_set_luid even if
7967 base reg remains the same.
7969 2001-01-10 Nick Clifton <nickc@redhat.com>
7971 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7972 machine_function structure to zero.
7973 Add prototypes for machine_status functions.
7975 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7977 * c-common.h (CTI_VOID_LIST): Remove.
7978 (void_list_node): Likewise.
7979 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7980 (void_list_node): New macro.
7981 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7982 * config/i386/i386.c (ix86_init_builtins): Likewise.
7983 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7985 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7987 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7988 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7990 * tradcpp.c: Include mkdeps.h.
7991 (deps, print_deps_phony_targets, deps_append, output_deps,
7992 init_dependency_output, output_deps): New.
7993 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7994 deps_output): Delete.
7995 (print_deps_missing_files): Rename deps_missing_files.
7996 (inhibit_output): Make global.
7997 (main): Delete inhibit_output, deps_stream, deps_target.
7998 Use mkdeps functionality in the same way as cpplib. Remove
7999 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8000 -M and -MM. Remove old handling of deps via deps_out, and
8001 old reading of environment variables.
8002 (get_filename): Update to use deps_add_dep.
8004 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8006 * output.h (make_function_rtl): Remove prototype.
8007 (make_decl_rtl): Likewise.
8008 * varasm.c (make_function_rtl): Remove.
8009 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8010 than from a third parameter.
8011 * tree.h (make_decl_rtl): Remove last parameter.
8012 * c-decl.c (builtin_function): Remove last argument in call to
8013 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8014 (start_function): Likewise.
8015 * except.c (call_get_eh_context): Likewise.
8016 * expr.c (emit_block_move): Likewise.
8017 (clear_storage): Likewise.
8018 * profile.c (output_func_start_profiler): Likewise.
8019 * toplev.c (rest_of_decl_compilation): Likewise.
8020 * objc/objc-act.c (create_builtin_decl): Likewise.
8021 (synth_module_prologue): Likewise.
8022 (generate_static_reference): Likewise.
8023 (build_selector_reference_decl): Likewise.
8024 (build_class_reference_decl): Likewise.
8025 (build_objc_string_decl): Likewise.
8026 (build_protocol_reference): Likewise.
8028 2001-01-10 Richard Henderson <rth@redhat.com>
8030 * hwint.h: Revert yesterday's change.
8032 2001-01-10 Nick Clifton <nickc@redhat.com>
8034 * function.h (save_machine_status): Delete.
8035 (restore_machine_status): Delete.
8036 Amend comment describing {init|mark|free}_machine_status.
8038 * function.c (save_machine_status): Delete.
8039 (restore_machine_status): Delete.
8040 Amend comment describing {init|mark|free}_machine_status.
8041 (push_function_context_to): Remove invocation of
8042 save_machine_status.
8043 (pop_function_context_from): Remove invocation of
8044 restore_machine_status.
8046 * emit-rtl.c (init_emit_once): Amend comment describing
8047 {init|mark|free}_machine_status.
8049 * tm.texi (Per-Function Data): New node. Describe the
8050 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8053 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8055 * cppinit.c (OPT_g): Remove.
8056 (cpp_handle_option): Update for removed -g3.
8057 (print_help): Update.
8058 * cpplib.h (struct cpp_options): Remove debug_output.
8059 * cppmain.c (setup_callbacks, cb_define): Update.
8060 * gcc.c (cpp_options): Translate -g3 to -dD.
8062 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8064 * config/i960/i960.md: Change modifier to + on the zero_extract
8065 pattern after the (rotate -2 reg) canonicalization pattern.
8067 2001-01-10 Richard Henderson <rth@redhat.com>
8069 * config/alpha/alpha.c (alpha_free_machine_status): New.
8070 (override_options): Install it.
8071 (alpha_mark_machine_status): Verify machine non-null.
8072 * config/i386/i386.c (ix86_free_machine_status): New.
8073 (override_options): Install it.
8074 (ix86_init_machine_status): Use xcalloc.
8075 (ix86_mark_machine_status): Verify machine non-null.
8076 * config/ia64/ia64.c (ia64_free_machine_status): New.
8077 (ia64_override_options): Install it.
8078 (ia64_mark_machine_status): Verify machine non-null.
8080 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8082 * function.c (instantiate_virtual_regs): Instantiate virtual
8083 registers found in CALL_INSN_FUNCTION_USAGE.
8085 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8087 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8088 equivalent to -ansi in disabling -Di386.
8090 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8092 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8094 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8096 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8098 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8100 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8102 * invoke.texi: Document that -fcond-mismatch isn't supported for
8105 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8107 * gcc.texi: Define macro gcctabopt.
8108 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8109 @command, @env and @option in some places where appropriate. Use
8110 @gcctabopt where appropriate. Put URLs and email addresses inside
8113 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8115 * gcc.c (cpp_options): Set MD file name from output
8116 filename, if specified.
8117 (suffix_subst): New static variable.
8118 (do_spec): Clear it.
8119 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8121 (give_switch): Handle suffix_subst.
8123 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8125 * invoke.texi: Fix another typo.
8127 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8129 * invoke.texi: Fix typo.
8131 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8133 * c-lang.c (lang_hooks): Update.
8134 (lang_decode_option): Remove.
8135 (lang_init_options): Rename c_init_options.
8136 * toplev.c (main): Use lang_hooks for lang_init_options
8137 and lang_decode_option.
8138 * toplev.h (lang_hooks): Add 2 new hooks.
8139 * tree.h: Remove lang_init_options and lang_decode_option.
8140 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8141 * cp/decl2.c: Similarly.
8142 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8143 (lang_hooks): Update.
8144 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8146 (lang_init_options): Rename ffe_init_options.
8147 (lang_hooks): Update.
8148 (lang_decode_option): Remove.
8149 * java/lang.c (lang_init_options): Rename java_init_options.
8150 (lang_decode_option): Rename java_decode_option.
8151 (lang_hooks): Update.
8152 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8153 (lang_decode_option): Rename objc_decode_option.
8154 (lang_hooks): Update.
8156 2001-01-09 Nick Clifton <nickc@redhat.com>
8158 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8159 (d30v_return_addr_rtx): Delete.
8160 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8161 cfun->machine structure.
8162 (struct machine_function): Move to d30v.h
8163 (d30v_save_machine_status): Delete.
8164 (d30v_restore_machine_status): Delete.
8165 (d30v_init_machine_status): New Function.
8166 (d30v_mark_machine_status): New Function.
8167 (d30v_free_machine_status): New Function.
8168 (d30v_init_expanders): Use new functions.
8169 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8170 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8171 d30v_return_addr_rtx.
8173 * config/d30v/d30v.h (struct_machine): Move here.
8174 Add eh_epilogue_sp_ofs field.
8176 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8177 field in cfun->machine structure.
8179 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8181 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8182 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8183 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8185 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8187 * objc/lang-options.h: Remove bogus reference to
8190 2001-01-09 Kazu Hirata <kazu@hxi.com>
8192 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8195 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8197 * reload.c (find_reloads_address): Check for eliminable registers
8198 when substituting a constant expression for a pseudo.
8200 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8202 * c-common.c (enum format_type): Add format_type_error.
8203 (decode_format_type): New function.
8204 (decl_attributes): Use it.
8205 (format_kind_info): Adjust comment.
8207 2001-01-09 David O'Brien <obrien@BSDi.com>
8209 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8210 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8212 * config/i386/gnu.h: Don't include required platform specific .h files,
8213 tm.h will do it instead.
8214 * config/i386/i386elf.h: Likewise.
8215 * config/i386/linux.h: Likewise.
8216 * config/i386/moss.h: Likewise.
8217 * config/mips/gnu.h: Likewise.
8219 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8221 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8222 (rs6000-ibm-aix3.[01]*): Likewise.
8223 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8224 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8225 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8226 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8227 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8228 (powerpc-*-eabiaix*): Likewise.
8229 (powerpc-*-eabisim*): Likewise.
8230 (powerpc-*-elf*): Likewise.
8231 (powerpc-*-eabi*): Likewise.
8232 (powerpc-*-rtems*): Likewise.
8233 (powerpc-*-linux*libc1): Likewise.
8234 (powerpc-*-linux*): Likewise.
8235 (powerpc-wrs-vxworks*): Likewise.
8236 (powerpcle-wrs-vxworks*): Likewise.
8237 (powerpcle-*-sysv*): Likewise.
8238 (powerpcle-*-elf*): Likewise.
8239 (powerpcle-*-eabisim*): Likewise.
8240 (powerpcle-*-eabi*): Likewise.
8241 (powerpcle-*-solaris2*): Likewise.
8242 * config/rs6000/aix31.h: Delete includes.
8243 * config/rs6000/aix3newas.h: Likewise.
8244 * config/rs6000/aix41.h: Likewise.
8245 * config/rs6000/aix43.h: Likewise.
8246 * config/rs6000/beos.h: Likewise.
8247 * config/rs6000/rtems.h: Likewise.
8248 * config/rs6000/sysv4.h: Likewise.
8250 2001-01-09 Kazu Hirata <kazu@hxi.com>
8252 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8253 Change an argument mode of machine_mode to shift_mode of
8254 shift_mode. Remove an extra error check.
8255 (emit_a_shift): Adopt to the new calling prototype of
8257 (function_prologue): Fix code for a monitor
8258 function. Support H8/S.
8259 (function_epilogue): Do not output pop for a monitor function.
8261 2001-01-09 Nick Clifton <nickc@redhat.com>
8263 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8264 (setup_incoming_varargs): Use sysv_varargs_p field of the
8265 cfun->machine structure.
8266 (struct machine_function): Move to rs6000.h
8267 (rs6000_save_machine_status): Delete.
8268 (rs6000_restore_machine_status): Delete.
8269 (rs6000_init_machine_status): New Function.
8270 (rs6000_free_machine_status): New Function.
8271 (rs6000_init_expanders): Use new functions.
8273 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8275 (struct machine_function): Move here.
8277 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8278 sysv_varargs_p field of the cfun->machine structure.
8280 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8282 (rs6000_restore_machine_status): Remove prototype.
8284 2001-01-09 Richard Henderson <rth@redhat.com>
8286 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8287 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8288 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8289 (sched_analyze_2, sched_analyze_insn): Likewise.
8290 (sched_analyze, init_deps): Likewise.
8291 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8292 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8293 (compute_block_backward_dependences): Update propagate_deps call.
8295 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8297 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8299 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8301 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8302 (cpp_handle_option): Handle them.
8303 (cpp_post_options): Ensure one of -M or -MM is specified with
8304 any other -M? option.
8305 (init_dependency_output): Suppress output with -MG.
8307 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8310 * invoke.texi: Update.
8312 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8314 * sh.md (reload_outsf): Generate recognizable patterns for
8317 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8319 * c-lang.c (lang_hooks): Update.
8320 (lang_init): Rename c_init.
8321 (lang_finish): Remove.
8322 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8324 * toplev.h (lang_hooks): Add init () and finish ().
8325 * tree.h (lang_init, lang_finish): Remove.
8326 * cp/tree.h (lang_init, lang_finish): Remove.
8327 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8328 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8330 (lang_init, lang_finish): Remove.
8331 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8332 (lang_hooks): Update.
8333 * java/lang.c (lang_init): Rename java_init.
8334 (lang_finish): Remove.
8335 (lang_hooks): Update.
8336 * objc/objc-act.c (lang_init): Rename objc_init.
8337 (lang_finish): Remove.
8338 (lang_hoooks): Update.
8340 20001-01-09 Graham Stott <grahams@redhat.com>
8342 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8343 after `ptr` is initialised.
8345 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8347 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8348 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8349 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8350 stack adjusts, instead of r3.
8352 2001-01-09 Michael Hayes <mhayes@redhat.com>
8354 * flow.c (flow_loop_scan): Break out of ...
8355 (flow_loops_find) ... here.
8356 * basic-block.h (flow_loop_scan): New.
8357 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8358 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8360 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8362 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8364 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8365 realloc()ing macro_buffer.
8367 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8368 if it's wider than long and the target's long is wider than the
8371 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8373 Remove support for using UWIN as a host machine.
8374 * configure.in: Issue an error message.
8375 * configure: Regenerated.
8376 * config.gcc: Remove xm_* UWIN configury.
8377 * config/i386/xm-uwin.h: Remove.
8379 2001-01-08 Nick Clifton <nickc@redhat.com>
8381 * config/v850/v850.c (ra_rtx): Delete.
8382 (v850_save_machine_status): Delete.
8383 (v850_restore_machine_status): Delete.
8384 (v850_init_machine_status): New function.
8385 (v850_mark_machine_status): New function.
8386 (v850_free_machine_status): New function.
8387 (v850_return_addr): Use ra_rtx field in machine structure.
8388 (v850_init_expanders): Use new functions.
8390 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8391 * config/v850/v850.c: Change arguments to v850_output+* functions
8392 to take a const char *, to avoid compile time warning.
8393 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8394 (USER_LABEL_PREFIX): Redefine.
8396 2000-01-08 Jim Wilson <wilson@redhat.com>
8398 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8399 1 to unsigned HOST_WIDE_INT before left shift.
8401 2001-01-08 Nick Clifton <nickc@redhat.com>
8403 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8404 the machine structure has been allocated.
8405 (arm_free_machine_status): New function: Free the machine
8406 specific function structure.
8408 2001-01-08 Richard Henderson <rth@redhat.com>
8410 * jump.c (simplejump_p): Revert last change.
8412 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8414 * cppinit.c (init): Rename init_library.
8415 (cpp_create_reader): Update.
8416 * gcc.c (cpp_options): If -o given, use it as the target of
8419 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8421 * arm.c (arm_arch5e): New variable.
8422 (all_cores): XScale is a 5TE device.
8423 (arm_override_options): Set arm_arch5e.
8424 (arm_init_builtins): __builtin_prefetch is in arch5e.
8425 * arm.h (arm_arch5e): Declare it.
8427 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8429 * arm.md (define_constants): Add defines for UNSPEC and
8430 UNSPEC_VOLATILE insns. Update all users.
8431 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8432 * arm.c (multi_register_push, note_invalid_constants)
8433 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8434 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8435 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8437 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8439 * jump.c (jump_optimize_1): Use reversed_comparison_code
8440 instead of can_reverse_comparison_p.
8441 (jump_back_p): Likewise.
8442 (invert_exp_1): Likewise.
8443 (thread_jumps): Likewise.
8444 * simplify-rtx.c (simplify_unary_operation): Likewise.
8445 (simplify_ternary_operation): Likewise.
8446 * cse.c (find_comparison_args): Convert to use
8447 can_reverse_comparison_p.
8448 (record_jump_equiv): Likewise.
8450 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8452 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8453 (EPILOGUE_USES): Define.
8454 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8455 automatically stack the LR if it isn't live.
8457 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8459 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8462 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8464 * ggc-page.c (max_alignment): New structure.
8465 (MAX_ALIGNMENT): New macro.
8466 (init_ggc): Use it to round up the sizes in the
8467 extra_order_size_table.
8469 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8471 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8474 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8476 * builtins.def (BUILT_IN_FPRINTF): New entry.
8478 * c-common.c (c_expand_builtin_fprintf): New function.
8479 (init_function_format_info): Handle __builtin_fprintf.
8480 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8481 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8483 * c-decl.c (duplicate_decls): Adjust comment.
8485 * extend.texi (fprintf): Document new builtin.
8487 2001-01-07 Richard Henderson <rth@redhat.com>
8489 * jump.c (simplejump_p): Recognize any single_set jump
8492 2001-01-07 Richard Henderson <rth@redhat.com>
8494 * configure.in (slibdir): Accept an --with-slibdir option.
8495 Use "test" not "[" in configure. Default to $(libdir).
8497 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8499 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8500 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8501 (SHLIB_LINK): Create links for the soname.
8502 * config/mips/t-iris6: Likewise.
8503 * config/sparc/t-slibgcc: Likewise.
8504 * config/sparc/t-slibgcc-sld: Likewise.
8506 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8508 * config/i386/i386.c (constant_call_address_operand): Accept
8509 (const (plus (symbol_ref) (const_int))).
8510 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8511 constant_call_address_operand.
8513 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8515 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8516 and LONG_LONG_TYPE_SIZE > 32.
8518 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8520 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8521 the previous change.
8523 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8525 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8527 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8528 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8529 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8532 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8534 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8536 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8538 * c-lang.c (c_post_options): Call cpp_post_options.
8539 * objc/objc-act.c (objc_post_options): Similarly.
8540 * cppmain.c (main): Similarly.
8541 * fix-header.c (read_scan_file): Similarly.
8542 * cppinit.c (cpp_start_read): Move option consistency checks
8543 to cpp_post_options. Don't call init_dependency_output.
8544 If needed, add default target and main file dependency.
8545 (OPT_MD, OPT_MMD): Remove.
8547 (cpp_handle_option): Update for OPT_* changes.
8548 (cpp_post_options): New.
8549 (init_dependency_output): Command line -MF overrides environment
8550 variables. Don't set default target etc. Suppress output
8551 if dependencies are going to stdout.
8552 (print_help): Update.
8553 * cpplib.h (cpp_post_options): New.
8554 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8556 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8558 * jump.c (comparison_dominates_p): Support unordered compares.
8560 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8562 * simplify-rtx.c (simplify_relational_operation): Always simplify
8563 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8566 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8568 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8569 (nonzero_bits): Likewise.
8570 (simplify_comparison): Likewise.
8571 (num_sign_bit_copies): Likewise; return more sane value depending
8572 on STORE_FLAG_VALUE.
8573 (known_cond): Do not assume EQ to be always true for equivalent
8576 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8578 * cse.c (fold_rtx): Handle unordered comparisons.
8580 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8582 * rtlanal.c (set_of_1): New static function.
8583 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8584 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8585 reg_set_last_last_regno): Remove.
8586 (set_of): New global function.
8587 (set_of_data): New structure.
8588 (reg_set_p, reg_set_last): Revamp for set_of.
8589 * rtl.h (set_of): New.
8591 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8593 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8594 * extend.texi: Document _Exit builtin.
8596 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8598 * (initialize, initialize_builtins,
8599 initialize_dependency_output, initialize_standard_includes):
8600 Rename s/initialize/init. Update.
8601 (init_dependency_output): Move to after
8602 cpp_handle_options, the correct location temporally at least.
8603 (opt_comp): Move next to init (), its caller. Fix prototype.
8604 (init): Make "initialized" local scope.
8605 (cpp_create_reader): Always call init ().
8606 (cpp_start_read): Update.
8607 (output_deps): New function, broken out of cpp_finish.
8608 (cpp_finish): Break out output_deps.
8610 2001-01-07 Richard Henderson <rth@redhat.com>
8612 * collect2.c (COFF specific stuff): Revert 12-06 patch
8613 to prototype system functions.
8615 2001-01-07 Michael Hayes <mhayes@redhat.com>
8617 * hard-reg-set.h: Add multiple include guard.
8618 * basic-block.h (struct loop): Add `sink' field.
8619 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8620 (emit_iv_add_mult): Delete.
8621 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8622 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8623 (unroll_loop): Remove end_insert_before argument.
8624 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8625 (maybe_eliminate_biv_1): Likewise.
8626 (emit_iv_add_mult): Delete.
8627 (gen_add_mult, loop_regs_update): New.
8628 (loop_insn_emit_after, loop_insn_emit_before): New.
8629 (loop_insn_sink, loop_insn_sink_or_swim): New.
8630 (emit_iv_add_mult): Delete.
8631 (scan_loop): Set loop->sink.
8632 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8633 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8634 (maybe_eliminate_biv_1): Likewise.
8635 (maybe_eliminate_biv_1): Add basic block argument.
8636 * unroll.c (unroll_loop): Remove end_insert_before argument.
8637 (find_splittable_regs): Likewise.
8638 (find_splittable_regs): Use loop_insn_sink and its ilk.
8639 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8641 2001-01-07 Michael Hayes <mhayes@redhat.com>
8643 * loop.h (loop_insn_hoist): New prototype.
8644 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8645 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8646 (check_dbra_loop, load_mems): Likewise.
8647 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8648 (find_splittable_givs): Likewise.
8650 2001-01-07 Michael Hayes <mhayes@redhat.com>
8652 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8654 2001-01-07 Richard Henderson <rth@redhat.com>
8656 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8658 2001-01-07 Richard Henderson <rth@redhat.com>
8660 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8661 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8662 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8663 variant that handles a shared libgcc.
8664 (process_command): Always validate -{static,shared}-libgcc.
8665 (do_spec_1): New 'M' case.
8666 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8668 2001-01-07 Richard Henderson <rth@redhat.com>
8670 * Makefile.in (slibdir): New variable.
8671 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8672 (installdirs): Create slibdir.
8673 (install-libgcc, install-multilib): Defer to libgcc.mk.
8674 * configure.in (slibdir): Substitute.
8675 * mklibgcc.in (install): New target.
8677 * config/t-linux (SHLIB_LINK): Create links for the soname.
8678 (SHLIB_INSTALL): New.
8679 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8680 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8681 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8682 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8683 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8685 2001-01-07 Richard Henderson <rth@redhat.com>
8687 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8688 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8689 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8691 2001-01-07 Michael Hayes <mhayes@redhat.com>
8693 * loop.c (count_loop_regs_set): Delete.
8694 (load_mems_and_recount_loop_regs_set): Delete.
8695 (loop_regs_scan): Merge common code from count_loop_regs_set,
8696 scan_loop, and load_mems_and_recount_loop_regs_set.
8697 (scan_loop): Call load_mems directly and loop_regs_scan
8698 again if new registers created.
8700 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8702 * toplev.c (main): Call the front-end specific post_options
8703 hook if one is given.
8704 * toplev.h (struct_lang_hooks, lang_hooks): New.
8705 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8706 for the C front end.
8707 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8708 lang_hooks for the C++ front end.
8709 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8710 lang_hooks for the ObjC front end.
8711 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8712 * java/lang.c (lang_hooks): Hooks for the Java front end.
8714 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8716 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8717 for verbose DWARF[2] debugging.
8718 (cb_define, cb_undef): The new callbacks.
8719 * toplev.h (debug_define, debug_undef): Make const correct.
8720 * toplev.c (debug_define, debug_undef): Similarly. Do not
8721 perform the verbosity tests here anymore.
8723 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8725 * reload.c (subst_reloads): Take INSN argument. When
8726 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8727 * reload.h (subst_reloads): Adjust prototype.
8728 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8729 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8730 present in JUMP_INSNs and copy them to JUMP_LABEL.
8731 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8732 JUMP_INSNs and insns with REG_LABELs that are followed by
8733 JUMP_INSNs with the same REG_LABEL.
8734 * sched-rgn.c (is_cfg_nonregular): Likewise.
8735 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8737 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8739 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8741 2001-01-06 Richard Henderson <rth@redhat.com>
8743 * loop.c (scan_loop): Use xcalloc for the regs array.
8744 (load_mems_and_recount_loop_regs_set): Zero the new memory
8745 received from xrealloc.
8747 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8749 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8751 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8753 * integrate.c (copy_rtx_and_substitute): When copying
8754 an ignored return value, strip REG_FUNCTION_VALUE_P.
8756 2001-01-06 Michael Hayes <mhayes@redhat.com>
8758 * loop.c (debug_biv, debug_giv): New.
8759 (loop_biv_dump): Break out from ...
8760 (record_biv): ... here.
8761 (loop_giv_dump): Break out from ...
8762 (record_giv): ... here.
8763 (loop_bivs_check): Use print_simple_rtl.
8764 * unroll.c (loop_iterations): Use print_simple_rtl.
8766 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8768 * pa.md (return, return_internal): Modify patterns to prevent regrename
8769 mucking with the return pointer.
8771 2001-01-05 Richard Henderson <rth@redhat.com>
8773 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8775 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8777 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8778 version supplied by Matteo Frigo.
8780 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8782 * cpp.texi: Update for -MQ.
8783 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8784 (cpp_cleanup): Always free pfile->deps.
8785 (initialize_dependency_output): Don't create pfile->deps.
8786 (cpp_handle_option): Similarly.
8788 * gcc.c (cpp_options): Handle -MQ.
8789 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8790 * mkdeps.c (base_name): Remove.
8791 (deps_init): Don't allocate vector space until it's needed.
8792 (deps_free): Only free vectors if allocated.
8793 (deps_add_target, deps_add_dep): Update for initial allocation.
8794 (deps_add_default_target): Don't strip to the base_name.
8796 2001-01-05 DJ Delorie <dj@redhat.com>
8798 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8799 (INIT_EXPANDERS): Define.
8801 * config/v850/v850.c (struct machine_function): Define.
8802 (v850_save_machine_status): New function.
8803 (v850_restore_machine_status): New function.
8804 (v850_return_addr): New function.
8805 (v850_init_expanders): New function.
8807 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8808 and v850_init_expanders.
8810 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8812 * cpplib.h (struct cpp_reader): Add help_only field.
8813 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8814 (cpp_handle_option): Set pfile->help_only if we see -h,
8815 --help, -target-help, or --version. Print version string but
8816 do not set help_only if we see -v or -version. Make text
8817 printed by -v match that printed by (-)-version.
8819 * cppmain.c (main): Exit after option parsing if
8820 pfile->help_only is true.
8822 * toplev.c (independent_decode_option): Call print_version,
8823 then exit, if we see --version (but not -version).
8824 (print_version): Split lengthy message into two lines.
8826 2001-01-05 Nick Clifton <nickc@redhat.com>
8828 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8829 temporary string for initialisation before calling ggc_alloc_string.
8831 2001-01-06 Michael Hayes <mhayes@redhat.com>
8833 * rtl.h (print_simple_rtl): New.
8834 * print-rtl.c (print_simple_rtl): New.
8836 (print_rtx): Disable printing of flags and modes, etc.,
8837 if `flag_simple` nonzero.
8839 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8841 * function.c (fixup_var_refs): Use push_to_full_sequence where
8844 2001-01-05 Michael Meissner <meissner@redhat.com>
8846 * flags.h (flag_reorder_blocks): Add declaration.
8847 (flag_rename_block): Ditto.
8849 2001-01-05 DJ Delorie <dj@redhat.com>
8851 * function.c (reorder_blocks): Make sure the flags are all reset
8852 before using them to mark blocks, else a second invocation will
8853 corrupt the block chain.
8854 (reorder_blocks_0): New, resets the flags.
8856 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8858 * cse.c (find_comparison_args): Stop if the argument is known to
8861 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8863 * config/sh/sh.md (movdf): When splitting load into pair of
8864 registers, don't clobber the register used in the address too
8867 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8869 * varasm.c (mark_constant_pool): Improve initial comments.
8870 (mark_constants): Move marking of constants to mark_constant.
8871 (mark_constant): New function to recursively mark all constants
8872 referred to by a constant.
8874 2001-01-05 Catherine Moore <clm@redhat.com>
8876 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8878 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8880 * cp/lang-options.h: Bring comment in line with reality.
8881 * f/lang-options.h: Likewise.
8882 * java/lang-options.h: Likewise.
8883 * objc/lang-options.h: Likewise.
8884 * ch/lang-options.h: Likewise.
8885 * f/g77.texi: And update the manual.
8887 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8888 Denis Chertykov <denisc@overta.ru>
8890 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8891 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8892 * config/avr/avr.md (all peepholes that request a scratch register):
8893 Call it, FAIL the peephole if not safe (in interrupt functions).
8895 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8897 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8899 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8901 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8903 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8904 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8905 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8906 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8907 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8909 * extend.texi: Document these builtins.
8911 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8913 * c-common.c (lang_get_alias_set): Say we know nothing of
8914 VECTOR_TYPE aliasing.
8916 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8918 2001-01-05 Bruce Korb <bkorb@gnu.org>
8920 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8921 their x* equivalent versions for atexit-less systems
8922 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8923 systems (or any other system any more).
8925 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8927 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8928 output operands. Use arm_hard_register_operand for operand 4.
8929 (stmsi_postinc): Similarly.
8930 (ldmsi): Use arm_hard_register_operand for opernand 2.
8932 * arm.c (arm_hard_register_operand): New function.
8933 * arm-protos.h (arm_hard_register_operand): Prototype it.
8935 * arm.h (HARD_REGNO_RENAME_OK): Define.
8937 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8939 * simplify-rtx.c (cfc_args): add "unordered" field.
8940 (check_fold_consts): Set unordered field.
8941 (simplify_relational_operation): Simplify the unordered
8944 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8947 * emit-rtl.c (try_split): Fix code to mark labels.
8948 * jump.c (mark_jump_label): Make global.
8949 * rtl.h (mark_jump_label): Declare.
8951 * predict.c (estimate_probability): Handle unordred comparisons.
8953 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8955 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8956 * cppinit.c (initialize_dependency_output): Update.
8957 (cpp_finish): Output dummy targets for -MP.
8959 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8960 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8961 * gcc.c (cpp_options): Update to handle -MP.
8962 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8963 to quote only the default target.
8964 (deps_phony_targets): Insert a preceding newline. Rename from
8965 deps_dummy_targets for consistency.
8968 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8970 * calls.c (emit_library_call_value_1): Support
8971 INIT_CUMULATIVE_LIBCALL_ARGS.
8972 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8974 2001-01-04 Richard Henderson <rth@redhat.com>
8976 * c-decl.c (finish_struct): Detect flexible array members
8977 used in an inappropriate context.
8978 * c-typeck.c (really_start_incremental_init): Special case
8979 constructor_max_index for zero length arrays.
8980 (pop_init_level): Allow initialization of flexible array
8981 members. Deprecate initialization of zero length arrays.
8982 Don't issue missing initializer warning for flexible array
8983 members or zero length arrays.
8984 (process_init_element): Don't dereference null DECL_SIZE.
8985 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8986 Don't abort for empty constructors. Use size_binop
8987 (output_constructor): Add commentary regarding zero length
8988 array futures. Abort if we try to initialize an array of
8989 unspecified length with a non-empty constructor in the middle
8992 * extend.texi (Zero Length): Update and clarify documentation
8993 on static initialization.
8995 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8997 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8998 with more than 32767 words of local storage.
9000 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9002 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9003 for 'abs', 'labs', and 'fabs'.
9004 (c4x_expand_builtin): Likewise.
9005 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9007 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9009 * config/sh/sh.md (prget, prset): New insn types.
9010 (return delay slot): Dont' allow prset.
9011 (call, sfunc delay slot): Don't allow prget.
9012 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9013 for prset and prget.
9015 2001-01-05 Michael Hayes <mhayes@redhat.com>
9017 * loop.h (struct loop_reg): New.
9018 (struct loop_regs): Change to use array of `struct loop_reg'.
9019 * loop.c: Replace assortment of varrays with single regs array.
9020 (count_one_set): Delete may_not_move array argument
9021 and use regs array instead. All caller's changed.
9022 (count_loop_regs_set): Delete may_not_move and single_usage
9023 arguments and use regs array instead. All caller's changed.
9024 (find_single_use_in_loop): Replace usage array argument with pointer
9025 to regs structure. All caller's changed.
9026 (loop_optimize): Delete `moved_once' array.
9028 2001-01-05 Michael Hayes <mhayes@redhat.com>
9030 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9031 Use it instead of loop_info->has_call for scanning loop mems.
9032 (check_dbra_loop): Replace loop_info->has_call test with
9033 loop_info->has_nonconst_call.
9035 2000-01-04 Matthew Hiller <hiller@redhat.com>
9037 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9040 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9042 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9043 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9045 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9047 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9048 (flag_short_double, flag_short_wchar): Define.
9049 (c_common_nodes_and_builtins): Create many tree nodes shared
9050 between C and C++ here instead of in cp/decl.c and ...
9051 * c-decl.c (init_decl_processing): ... here.
9052 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9053 (flag_short_double, flag_short_wchar): Don't define.
9054 (record_builtin_type): New function.
9055 (build_void_list_node): New function.
9056 * c-common.h (flag_short_double, flag_short_wchar,
9057 record_builtin_type, build_void_list_node): Declare.
9059 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9061 * integrate.c (expand_inline_function): Don't put a virtual
9062 register into the reg map.
9064 * function.c (fixup_var_refs_1): If force_operand didn't put
9065 the address into the target, move it there.
9067 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9069 Special-case tree_decl/tree_list allocations.
9070 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9071 (OBJECT_SIZE): New macro.
9072 (NUM_EXTRA_ORDER): Likewise.
9073 (extra_order_size_table): New variable.
9074 (NUM_ORDERS): New macro.
9075 (objects_per_page_table): New variable.
9076 (object_size_table): New variable.
9077 (G.pages): Use NUM_ORDERS to bound the array.
9078 (G.page_tails): Likewise.
9079 (DIV_ROUND_UP): Remove.
9080 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9081 (alloc_page): Use OBJECT_SIZE.
9082 (size_lookup): Don't make it const.
9083 (ggc_alloc): Use OBJECT_SIZE.
9084 (ggc_set_mark): Likewise.
9085 (ggc_get_size): Likewise.
9086 (init_ggc): Set up the object_size_table, objects_per_page_table,
9087 and adjust size_lookup.
9088 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9089 (ggc_pop_context): Use NUM_ORDERS.
9090 (clear_marks): Likewise.
9091 (sweep_pages): Likewise.
9092 (poison_pages): Likewise.
9093 (ggc_print_statistics): Use OBJECT_SIZE.
9095 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9097 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9098 Only call array_size_for_constructor if last field and array type
9099 with no upper bound.
9101 2001-01-04 Philip Blundell <philb@gnu.org>
9103 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9104 from bit 31 downwards, if this requires no more insns.
9105 (count_insns_for_constant): New helper function for above.
9107 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9109 * gencodes.c (output_predicate_decls): Remove empty initializer.
9111 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9113 * tree.c (copy_node): Remove documentation about obstacks.
9114 (buidl1): Check that nobody tries to build 2-argument nodes this
9117 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9119 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9122 * gencodes.c (output_predicate_decls): Fill empty initializer
9125 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9127 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9128 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9130 (do_include): Handle missing headers like cpp0.
9131 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9132 paths with first include pathname. Don't strcat to uninitialized
9135 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9137 * regrename.c (regrename_optimize): Don't rename from frame pointer
9138 if frame_pointer_needed.
9139 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9140 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9141 (ia64_reorg): Use it instead of scheduling if ! optimize.
9142 (errata_emit_nops): Properly call asm_noperands.
9143 (ia64_sched_reorder): Finish cycle if we see an asm.
9144 (ia64_variable_issue): Clear scheduling state after asms.
9146 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9148 * cpp.texi: Update for -MT.
9149 * cppinit.c (initialize_dependency_output): Add a default
9150 target if none has been given already.
9151 (no_tgt, OPT_MT): New.
9152 (cpp_handle_option): Handle -MT. Update -M etc.
9153 * cpplib.h (struct cpp_options): Remove deps_target.
9154 * gcc.c (cpp_options): Handle -MT.
9155 * mkdeps.c (struct deps): Move from mkdeps.h.
9156 (deps_calc_target): Rename deps_add_default_target. Add a
9157 default target if none has been specified already.
9158 * mkdeps.h (struct deps): Move to mkdeps.c.
9159 (deps_calc_target): Rename deps_add_default_target.
9161 2000-01-03 Richard Henderson <rth@redhat.com>
9163 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9165 * c-typeck.c (push_init_level): Move checks for flexible array
9166 members and zero length arrays ...
9167 (pop_init_level): ... here. Silently discard empty initializations.
9169 * varasm.c (output_constructor): Update for sizeof change to
9172 * extend.texi (Zero Length): Clarify semantics.
9174 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9176 * configure.in (tm.h): Include isns-codes.h last.
9177 * configure: Rebuilt.
9179 2001-01-03 Richard Henderson <rth@redhat.com>
9181 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9182 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9184 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9186 * tradcpp.c (main): Make sure finclude() is called with a valid
9187 indepth value while handling -include.
9189 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9191 * gencodes.c (output_predicate_decls): New function.
9193 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9194 even if it is not the first time machmode.h is #included.
9195 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9196 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9197 * gcc.texi (Copyright): Added 2001.
9199 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9201 * c-common.c (c_common_lang_init): New function. Warn if format
9202 warning options which only have effects when used with -Wformat
9203 are used without -Wformat.
9204 * c-common.h (c_common_lang_init): Declare.
9205 * c-lang.c (lang_init): Call c_common_lang_init.
9206 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9208 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9210 * configure.in: Check for the mktemp command.
9211 * configure: Regenerate.
9212 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9213 $TEMP. Create temporary files with mktemp, if available at
9214 configure time; otherwise use set -C. Remove temporary files
9217 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9219 * configure.in: Require at least texinfo 4.0. Check for whether
9220 Pod::Man is sufficiently recent to regenerate GCC manpages.
9221 * configure: Regenerate.
9222 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9224 (GENERATED_MANPAGES): Define.
9225 (generated-manpages): New target. Depend on cpp.1 as well as
9227 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9228 configure to generated-manpages or empty) rather than on the
9229 manpages directly. Remove execute permission from installed
9230 gcov.1 as well as cpp.1.
9231 * cpp.1, gcov.1: Regenerate.
9233 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9235 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9236 tree_low_cst. Allow using cmpstrsi in more cases.
9238 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9240 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9243 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9245 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9246 * Makefile.in (HOST_CFLAGS): Mention build-make.
9248 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9250 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9253 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9255 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9258 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9261 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9262 reg_base_value and reg_known_value arrays.
9263 (init_alias_analysis): Add more cases to detect known values.
9264 * sched-deps.c (deps_may_trap_p): New function.
9265 (sched_analyze_2): Use it.
9267 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9269 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9270 don't discard an ASHIFTRT if we're shifting in a wider mode.
9272 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9274 * toplev.c (rest_of_compilation): Don't print basic block information
9275 when CFG isn't up to date.
9277 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9279 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9280 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9281 (UNALIGNED_SHORT_ASM_OP): Define.
9282 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9284 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9286 * fold-const.c (fold_convert): Fix typo.
9288 2001-01-02 Richard Henderson <rth@redhat.com>
9290 * c-common.h (ASM_INPUT_P): New.
9291 * c-parse.in (asm): Set it when needed.
9292 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9293 existance of an operand.
9295 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9297 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9298 (dwarf2out_frame_debug_expr): Likewise.
9299 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9301 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9303 * i386.c (ix86_split_to_parts): Return number of part required;
9305 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9307 (ix86_split_long_move): Use number of part returned
9308 by ix86_split_to_parts
9309 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9311 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9312 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9313 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9314 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9315 (ALIGN_MODE_128): Add TFmode.
9316 (IS_STACK_MODE): Likewise.
9317 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9318 (HARD_REGNO_OK): Support TFmodes.
9319 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9320 * i386.md (scheduler definitions): Use memory operand to determine
9321 fst/fld instructions; use mode attribute to determine real mode of
9323 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9324 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9326 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9328 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9330 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9332 * expr.c (store_constructor_field): Update ALIGN before calling
9335 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9337 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9340 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9342 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9345 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9347 * c-decl.c (start_function): Don't warn on third parameter to main.
9349 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9351 * tsystem.h: Define HAVE_DECL_GETOPT.
9353 2001-01-02 Philip Blundell <pb@futuretv.com>
9355 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9358 2001-01-02 Richard Henderson <rth@redhat.com>
9360 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9362 2001-01-02 Andreas Jaeger <aj@suse.de>
9364 * c-decl.c (c_decode_option): Remove support of
9367 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9368 (W_options): Add -Wmissing-noreturn here.
9370 * flow.c: Define lang_missing_noreturn_ok_p.
9371 (check_function_return_warnings): Use it.
9373 * c-common.h: Declare lang_missing_noreturn_ok_p.
9375 * c-lang.c (c_missing_noreturn_ok_p): New function.
9376 (lang_init): Set lang_missing_noreturn_ok_p.
9378 * invoke.texi (Warning Options): Document this.
9380 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9382 * extend.texi (C++ Extensions): New node for C++ attributes;
9383 describe init_priority and com_interface.
9384 * invoke.texi: Remove -finit-priority as it now has zero effect.
9385 * install.texi: Fix xref syntax.
9386 * md.texi: Likewise.
9388 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9390 * config.gcc (sparc64-wrs-vxworks*): New case.
9391 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9393 * config/sparc/sparc.c (sparc_override_options): Do support different
9394 pointer and architecture size.
9395 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9396 (POINTERS_EXTEND_UNSIGNED): Define.
9397 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9398 (FUNCTION_MODE): Define to be Pmode.
9399 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9401 * function.c (expand_function_end): Properly handle DECL_RESULT
9402 and copy when ptr_mode != Pmode.
9403 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9405 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9407 * c-common.c (c_common_nodes_and_builtins): Set prototype
9408 parameters for __builtin_fputs, __builtin_fputc and
9409 __builtin_fwrite. Don't declare plain fputc as a builtin.
9411 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9413 * loop.c (add_label_notes): Increment the label usage count when
9414 a note is added to an insn which refers to a CODE_LABEL.
9415 * gcse.c (add_label_notes): Likewise.
9417 2001-01-01 Andreas Jaeger <aj@suse.de>
9419 * loop.c (scan_loop): Use xmalloc to allocate movables.
9421 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9423 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9424 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9425 * reload1.c (REGISTER_MOVE_COST): Likewise.
9426 * regclass.c (REGISTER_MOVE_COST): Likewise.
9427 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9428 dimension. Adjust all users.
9429 (init_reg_sets_1): Iterate on all modes.
9430 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9431 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9432 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9433 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9434 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9435 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9436 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9437 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9438 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9439 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9440 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9441 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9442 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9443 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9444 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9445 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9446 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9447 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9448 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9449 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9450 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9451 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9452 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9453 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9454 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9455 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9456 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9458 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9460 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9461 arg VARIES_P. Call it with extra arg.
9462 (true_dependence): Likewise.
9463 * rtl.h (rtx_addr_can_trap_p): Declare.
9464 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9466 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9467 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9468 pic offset table register if it's zero. All callers changed.
9469 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9471 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9473 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9474 STRING_POOL_ADDRESS_P.
9476 * config/sparc/sparc.c (input_operand): Properly test for short op.
9478 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9479 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9480 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9481 * config/sparc/elf.h: No longer include sol2.h.
9482 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9483 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9485 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9487 2001-01-01 Michael Hayes <mhayes@redhat.com>
9489 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9490 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9491 (record_initial): Likewise.
9492 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9493 (remap_split_bivs): Likewise.
9495 2001-01-01 Michael Hayes <mhayes@redhat.com>
9497 * loop.c (loop_ivs_free): New function.
9498 (strength_reduce): Break out from...
9500 2001-01-01 Michael Hayes <mhayes@redhat.com>
9502 * loop.h (struct iv): New.
9503 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9504 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9505 'reg_biv_class' fields with 'regs' and 'n_regs'.
9506 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9507 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9508 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9510 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9512 * resource.c (mark_referenced_resources): Abort() before
9513 attempting to mark a pseudo register.
9514 (mark_set_resources): Likewise.
9516 2001-01-01 Michael Hayes <mhayes@redhat.com>
9518 * loop.h (REG_IV_CLASS): New accessor macro.
9519 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9520 * unroll.c (REG_IV_CLASS): Likewise.
9522 See ChangeLog.4 for earlier changes.