1 2001-04-30 Zack Weinberg <zackw@stanford.edu>
3 * tsystem.h: Test only POSIX for availability of string.h
5 * config.gcc (all systems): If USG appeared in xm_defines,
6 change it to POSIX. If both USG and POSIX appeared, just
7 delete USG. Remove unnecessary quotes around xm_defines
9 (m68k-crds-unos*): Don't #define unos - tested nowhere.
10 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
11 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
12 powerpc-*-linux*): No need to set xm_defines - handled by
13 global settings for *-*-linux*.
15 2001-04-30 Zack Weinberg <zackw@stanford.edu>
17 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
18 Always include gstab.h, not system stab.h. Don't provide
19 default definitions of N_CATCH or N_OPT. Always use the
20 gstab.h variant of STAB_CODE_TYPE.
21 * final.c: Don't include stab.h/gstab.h at all, or provide
22 defaults for N_SLINE and N_SOL.
24 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
25 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
27 * sdbout.c: Always include gsyms.h instead of system syms.h.
29 * configure.in: No need to check for stab.h.
30 * configure, config.in: Regenerate.
31 * Makefile.in (final.o): Don't depend on gstab.h.
33 2001-04-30 Mark Mitchell <mark@codesourcery.com>
34 Richard Henderson <rth@redhat.com>
36 * extend.texi: Improve documentation of volatile asms.
38 2001-04-30 Mark Mitchell <mark@codesourcery.com>
40 * c-tree.texi: Fix thinko.
43 2001-04-30 Richard Henderson <rth@redhat.com>
45 * c-common.c (c_promoting_integer_type_p): New function, from the
46 corpse of old macro. Properly promote too-small enumerations and
47 booleans. Adjust all callers.
48 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
49 (c_promoting_integer_type_p): Declare.
50 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
51 * c-typeck.c: Likewise.
52 (default_conversion): Remove now redundant boolean check.
54 2001-04-30 Jan Hubicka <jh@suse.cz>
55 Richard Henderson <rth@redhat.com>
57 * regmove.c (try_apply_stack_adjustment): Remove now redundant
59 (combine_stack_adjustments_for_block): Don't combine stack
60 allocation followed by deallocations. Handle grow-up stacks.
62 2001-04-30 Mark Mitchell <mark@codesourcery.com>
65 * c-tree.texi: Use the GFDL.
68 2001-04-30 Stan Shebs <shebs@apple.com>
70 * invoke.texi: Add a section documenting Objective-C options.
72 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
74 * emit-rtl.c (try_split): Copy EH notes to sequence.
76 2001-04-30 Mark Mitchell <mark@codesourcery.com>
78 * regmove.c (record_stack_memrefs): Catch all references to the
81 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
83 * Makefile.in(stmp-fixinc): quote shell assignment values
85 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
87 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
93 2001-04-28 Stan Shebs <shebs@apple.com>
95 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
96 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
97 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
98 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
100 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
101 (NEXT_OBJC_RUNTIME): Define.
103 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
105 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
106 * simplify-rtx.c (simplify_gen_relational): Likewise.
108 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
110 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
111 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
113 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
114 registers in SSE case; fix handling of the immediates.
115 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
116 operands to be in regsiters before reload.
117 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
118 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
119 (abstf,absxf,negtf,negxf splitters): Compute
120 properly the regnum for x86_64.
121 (avsdf2_if_rex64): New.
123 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
125 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
126 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
127 into the constant pool.
128 * jump.c (jump_optimize_1): Remove barrier successors after all
129 the LABEL_NUSES counds have been computed.
130 (delete_barrier_successors): When deleting a tablejump insn, also
131 delete the jump table it uses.
132 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
135 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
137 * pa.c (FRP): Remove erroneous white space in macro definition.
139 2001-04-28 Andreas Jaeger <aj@suse.de>
141 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
143 * extend.texi: Likewise.
146 2001-04-28 Andreas Jaeger <aj@suse.de>
148 * md.texi: Use XX-bit instead of XXbit or XX bit where
151 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
153 * gcc.c (process_command): Allow -l lib in addition to -llib
154 for POSIX compliance. This fixes PR c/2347.
156 * invoke.texi: Update section on Link Options accordingly.
158 2001-04-27 Zack Weinberg <zackw@stanford.edu>
160 * function.c (purge_addressof_1): Remove the duplicate
161 if (code == SET) block. Fold the two if (code == ADDRESSOF)
164 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
166 * except.c (expand_eh_region_start): Don't start a new block.
167 (expand_eh_region_end): Don't end a block.
168 * stmt.c (expand_end_bindings): Don't end EH blocks.
169 (expand_decl_cleanup): Starting an EH region won't change the block.
170 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
171 (is_eh_region): Lose.
174 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
176 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
178 * collect2.c (main): Add `-L' case to remove duplicate entries.
179 (is_in_args): New function to check for a duplicate argument.
180 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
181 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
182 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
183 Define to be nonzero.
185 2001-04-27 Andreas Jaeger <aj@suse.de>
186 Richard Henderson <rth@redhat.com>
188 * md.texi (Machine Constraints): Document additional i386
189 constraints and fix description of "A".
191 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
193 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
195 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
197 * except.c (get_exception_filter): word_mode, not Pmode.
199 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
201 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
202 common to other movsf patterns. Move up so that in future
203 people who change the other patterns will change it too.
204 (movsf_lo_sum): Allow even for soft-float; add appropriate
206 (movsf_high): Likewise.
207 (movsf_high+1): Allow even for soft-float.
209 * function.c (expand_function_end): Always clobber the
210 return registers, even if there is no return label.
212 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
214 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
216 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
218 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
219 (pushqi2_rex64, pushhi2_rex64): Add.
221 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
223 * except.c (expand_eh_region_end_cleanup): Force pending stack
224 adjust before emitting label that branches around cleanup code.
226 2001-04-26 H.J. Lu (hjl@gnu.org)
228 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
230 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
232 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
233 (ASM_OUTPUT_SECTION_NAME): Likewise.
234 (ASM_WEAKEN_LABEL): Likewise.
235 (UNIQUE_SECTION): Likewise.
236 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
237 (ASM_OUTPUT_DESTRUCTOR): Likewise.
238 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
239 (ASM_OUTPUT_SECTION_NAME): Likewise.
240 (ASM_WEAKEN_LABEL): Likewise.
241 (UNIQUE_SECTION): Likewise.
242 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
243 (ASM_OUTPUT_DESTRUCTOR): Likewise.
244 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
245 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
246 (ASM_FILE_START): Likewise.
247 (ASM_OUTPUT_SOURCE_LINE): Likewise.
248 (ASM_DECLARE_OBJECT_NAME): Likewise.
249 (ASM_FILE_END): Likewise.
250 (ASM_DECLARE_FUNCTION_NAME): Likewise.
251 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
252 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
253 (ASM_OUTPUT_CASE_LABEL): Likewise.
254 (ASM_OUTPUT_SKIP): Likewise.
255 (ASM_OUTPUT_ASCII): Likewise.
256 (ASM_OUTPUT_IDENT): Likewise.
257 (READONLY_DATA_SECTION): Likewise.
258 (EXTRA_SECTIONS): Likewise.
259 (EXTRA_SECTION_FUNCTIONS): Likewise.
260 (SELECT_RTX_SECTION): Likewise.
261 (SELECT_SECTION): Likewise.
263 * config/mips/linux.h (INVOKE__main): Undefine.
264 (CTOR_LIST_BEGIN): Likewise.
265 (CTOR_LIST_END): Likewise.
266 (DTOR_LIST_BEGIN): Likewise.
267 (DTOR_LIST_END): Likewise.
268 (SET_ASM_OP): Defined it to ".dummy".
269 (ASM_OUTPUT_DEF): Defined.
270 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
272 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
274 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
275 assembler supports .p2align.
277 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
279 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
281 2001-04-26 Jakub Jelinek <jakub@redhat.com>
283 * integrate.c (expand_inline_function): Check for error_mark_node
286 2001-04-26 Jakub Jelinek <jakub@redhat.com>
288 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
291 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
293 * configure.in (configargs.h): Define thread_model.
294 * configure: Rebuilt.
295 * gcc.c (main): Print it with -v.
297 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
299 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
300 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
303 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
305 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
306 is_redundant_typedef): Use static inline instead of inline static.
308 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
310 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
311 this directory is always searched.
313 2001-04-25 Richard Henderson <rth@redhat.com>
315 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
316 of registers to restore along non eh_return path.
318 2001-04-25 Jakub Jelinek <jakub@redhat.com>
320 * c-format.c (check_format_info_recurse): Handle
321 PLUS_EXPR for format string.
323 2001-04-25 Jakub Jelinek <jakub@redhat.com>
325 * config/ia64/ia64.h (CC1_SPEC): Define.
326 * config/ia64/linux.h (CC1_SPEC): Define.
328 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
330 * emit-rtl.c (constant_subword): Also do sign extension in
331 BITS_PER_WORD == 16 case.
333 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
335 * loop.c (try_swap_copy_prop): Go back to checking insn.
337 2001-04-25 Jakub Jelinek <jakub@redhat.com>
339 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
340 if check_mode is non-zero.
342 2001-04-25 Jakub Jelinek <jakub@redhat.com>
344 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
345 out and comparison sequence has been detected, put result into
346 proper temporary pseudo.
348 2001-04-24 Zack Weinberg <zackw@stanford.edu>
350 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
351 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
352 * libgcc2.c: Remove __dummy and __builtin_saveregs.
353 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
354 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
355 for future reference.
357 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
359 * except.c (reachable_handlers): Step out one level from a RESX.
361 * except.c (struct eh_region): Rename 'last' to 'resume'.
362 (mark_eh_region, duplicate_eh_region_1): Adjust.
363 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
364 (build_post_landing_pads): Likewise.
365 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
366 (expand_eh_region_end_must_not_throw): Likewise.
367 (connect_post_landing_pads): Thread (only) regions with non-deleted
370 * except.c (expand_eh_region_end_cleanup): Save the EH return data
371 registers around the cleanup.
372 (get_exception_filter): New fn.
373 (finish_eh_generation): Use it.
375 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
377 * c-semantics.c (add_scope_stmt): Don't call
378 current_scope_stmt_stack multiple times.
380 2001-04-24 Zack Weinberg <zackw@stanford.edu>
381 Nathan Sidwell <nathan@codesourcery.com>
383 Lazy __FUNCTION__ generation.
384 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
385 RID_C99_FUNCTION_NAME): New _RIDs.
386 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
387 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
388 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
390 (function_id_node, pretty_function_id_node, func_id_node): Remove.
391 (c99_function_name_decl_node, function_name_decl_node,
392 pretty_function_name_decl_node, saved_function_name_decls):
394 (struct language_function): Remove x_function_name_declared_p.
395 (make_fname_decl): Remove a parameter.
396 (declare_function_names): Remove prototype.
397 (start_fname_decls, finish_fname_decls): Prototype.
398 (fname_as_string): Likewise.
399 (fname_string, fname_decl): Likewise.
400 * c-common.c (make_fname_decl): Adjust.
401 (struct fname_var_t): New struct.
402 (fname_vars): New static array.
403 (declare_function_name): Remove.
404 (start_fname_decls, finish_fname_decls): New functions.
405 (fname_as_string): New function from remnants of
406 declare_function_name.
407 (fname_string, fname_decl): New functions.
409 * c-decl.c (c_function_name_declared_p): Remove.
410 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
411 don't call declare_function_name. Call start_fname_decls.
412 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
413 clobber the line number. Call finish_decl.
414 (start_function): Call start_fname_decls.
415 (finish_function): Call finish_fname_decls.
416 Remove c_function_name_declared_p.
417 (push_c_function_context): Don't push c_function_name_declared_p.
418 (pop_c_function_context): Don't pop c_function_name_declared_p.
419 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
420 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
421 (program): Call finish_fname_decls for C.
422 (primary): Add VAR_FUNC_NAME.
423 (reswords): Add slots for __FUNCTION__ et al.
424 (rid_to_yy): Add mappings for __FUNCTION__ et al.
425 (yylexname): If it's a STRING_FUNC_NAME generate the function name
426 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
427 * c-semantics.c (prune_unused_decls): Remove.
428 (finish_stmt_tree): Don't call prune_unused_decls.
429 (genrtl_decl_stmt): Don't prune unused decls here.
431 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
433 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
434 constant pool, use the pool's SYMBOL_REF instead.
436 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
439 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
441 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
442 passing nested NOP_EXPRs to fold.
444 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
446 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
448 2001-04-22 Mark Mitchell <mark@codesourcery.com>
450 * loop.c (loop_delete_insns): Add prototype.
452 2001-04-23 Phil Edwards <pme@sources.redhat.com>
454 * configure.in: Remove ENABLE_STD_NAMESPACE.
455 * config.in: Regenerated.
456 * configure: Regenerated.
458 2001-04-22 Stan Shebs <shebs@apple.com>
460 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
462 * config/rs6000/xm-darwin.h: Remove file.
464 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
466 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
467 (write_c_file_stat): Likewise.
469 * dbxout.c (dbxout_init): Likewise.
471 * profile.c (output_func_start_profiler): Likewise.
473 2001-04-22 Philipp Thomas <pthomas@suse.de>
475 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
476 require it instead of the CVS version.
477 * cpperror.c (v_message): Put a blank before the macro
478 body to not confuse exgettext.
480 2001-04-21 Mark Mitchell <mark@codesourcery.com>
482 * flow.c (proagate_one_insn): Remove useless assignment.
483 * jump.c (delete_insn): Tidy.
484 * loop.c (try_copy_prop): When deleting an instruction with a
485 REG_RETVAL note, delete the entire libcall sequence.
486 (loop_delete_insns): New function.
487 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
488 we're not substituting into them yet.
490 2001-04-21 Kazu Hirata <kazu@hxi.com>
492 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
494 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
496 * config/i960/i960.c (signed_arith_operand): Likewise.
498 * calls.c (expand_call): Fix a comment typo.
500 2001-04-20 Zack Weinberg <zackw@stanford.edu>
502 * configure.in: Probe for times, clock, struct tms, and clock_t.
503 * configure, config.in: Regenerate.
504 * timevar.c: Replace ifdef forest in get_time with (relatively)
505 straightforward series of checks based on autoconf's probes.
507 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
509 * config/pa/som.h (NM_FLAGS): Define.
511 2001-04-20 Bernd Schmidt <bernds@redhat.com>
513 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
515 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
516 * ia64.c (nop_cycles_until): New function.
517 (prev_cycle, prev_first, last_issued): New static variables.
518 (ia64_sched_reorder): Additional arg for clock.
519 On final scheduling pass, emit extra NOPs as needed.
520 Set prev_first and prev_cycle.
521 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
522 (ia64_variable_issue): Set last_issued.
524 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
526 * config/i386/i386.c (ix86_expand_int_movcc,
527 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
529 2001-04-20 Geoff Keating <geoffk@redhat.com>
531 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
532 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
533 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
534 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
535 ctrdi_internal6): In the short-branch case, this insn is only 4
536 bytes long. Reported by Reza Yazdani <reza@apple.com>.
538 2001-04-20 Jakub Jelinek <jakub@redhat.com>
540 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
541 "=u" is used together with "st" resp. "st(1)" clobber.
543 2001-04-20 Jakub Jelinek <jakub@redhat.com>
545 * gcse.c (gcse_main): Fix comment typo.
546 (delete_null_pointer_check): Likewise.
547 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
548 * cse.c (cse_insn): Likewise.
549 * function.c (fixup_var_refs_insns_with_hash): The sequence is
552 2001-04-19 Zack Weinberg <zackw@stanford.edu>
554 * toplev.c: Excise all code for the undocumented -dm option.
555 (float_signal): Call signal just once, unconditionally.
557 2001-04-19 Geoff Keating <geoffk@redhat.com>
559 * fold-const.c (fold): Use first_rtl_op rather than
560 TREE_CODE_LENGTH when looping over parameters of a tree.
561 Correct strange grouping in test for evaluated SAVE_EXPR.
563 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
565 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
566 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
568 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
569 name at 32 total characters.
570 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
571 functions in named sections -- data items can still go into unique
572 sections, but they have normal names (ie $LIT$ and $DATA$).
574 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
577 2001-04-19 DJ Delorie <dj@redhat.com>
579 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
580 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
581 * config/i386/cygwin.h: Likewise.
582 * config/i386/mingw32.h: Likewise.
583 * config/vax/vms.h: Likewise.
584 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
586 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
587 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
588 * config/i386/xm-cygwin.h: Likewise.
589 * config/i386/xm-djgpp.h: Likewise.
590 * config/i386/xm-mingw32.h: Likewise.
591 * config/vax/xm-vms.h: Likewise.
593 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
594 instead of OBJECT_SUFFIX.
595 * collect2.c (find_a_file): Look for files matching the extension
596 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
597 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
598 TARGET_EXECUTABLE_SUFFIX.
599 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
600 (make_relative_prefix): Likewise.
601 (convert_filename): Use TARGET_ suffixes throughout. Remove
603 (process_command): Likewise.
604 (do_spec_1): Likewise.
605 * java/lang.c (init_parse): Likewise.
607 * gcc.texi : Document four new options matching the pattern
608 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
609 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
610 documentation for NO_AUTO_EXE_SUFFIX.
612 2001-04-19 Mark Mitchell <mark@codesourcery.com>
614 * toplev.h (struct lang_hooks): Allow decode_option to indicate
615 that language-independent processing should not be done.
616 * toplev.c (main): Adjust accordingly.
618 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
619 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
621 * mips.md (reload_outputdi): Require that operand0 be a
624 2001-04-19 Jakub Jelinek <jakub@redhat.com>
626 * invoke.texi (-Wshadow): Clarify.
628 2001-04-18 Mark Mitchell <mark@codesourcery.com>
630 * loop.c (load_mems): Examine all the instructions in the loop
631 before concluding that all jumps branch to the first instruction
634 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
636 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
638 2001-04-18 Jakub Jelinek <jakub@redhat.com>
640 * cpp.texi (-Wwhite-space): Remove.
641 (-Wall): -Wall does not imply -Wwhite-space.
643 2001-04-17 Zack Weinberg <zackw@stanford.edu>
645 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
646 use it instead of blindly generating a .stabs.
647 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
649 * xcoffout.c: Don't bother defining default for N_CATCH.
650 (UNKNOWN_STAB): Use internal_error.
651 (stab_to_sclass): Remove now-unnecessary aborts.
652 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
654 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
656 * jump.c (mark_all_labels): Canonicalize the tail recursion
657 label attached to CALL_PLACEHOLDER insns.
659 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
661 * output.h (dump_flow_info, free_basic_block_vars,
662 which_alternative): Delete redundant prototypes.
664 * rtl.h (bss_section): Likewise.
666 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
668 * dbxout.c (N_OPT): Define if not available from <stab.h>
670 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
672 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
673 libraries and native K&R compilers.
675 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
677 * c-typeck.c (convert_arguments): Don't check for width changes
680 * invoke.texi (-Wtraditional): Update documentation.
682 2001-04-16 Zack Weinberg <zackw@stanford.edu>
684 * toplev.c (output_lang_identify): Delete.
685 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
686 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
687 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
688 after calling ASM_FILE_END.
690 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
691 Instead, unconditionally emit an N_OPT stab with string equal
692 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
694 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
696 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
697 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
698 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
699 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
700 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
701 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
702 config/i370/i370.h, config/i386/beos-elf.h,
703 config/i386/osf1elf.h, config/i386/osfrose.h,
704 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
705 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
706 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
707 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
708 config/mips/iris6.h, config/mips/osfrose.h,
709 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
710 config/sparc/sp64-elf.h:
711 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
712 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
714 * config/elfos.h, config/freebsd.h, config/linux.h,
715 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
716 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
717 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
718 of ASM_FILE_START which merely emit a .version directive. Delete
719 definitions of ASM_FILE_END which merely emit an .ident directive.
721 * config/avr/avr.h, config/vax/vax.h: Delete definition of
722 ASM_IDENTIFY_GCC and move part of its logic into
725 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
726 config/sparc/linux-aout.h: Don't emit .version directive in
729 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
730 (output_file_start): Correct comment.
732 * config/i386/osfrose.h: Don't emit trailing .ident directive.
733 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
735 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
736 * config/rs6000/aix.h: Correct comment.
738 * config/i386/i386afe.h: Delete.
739 * config.gcc: Remove references to i386afe.h.
741 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
742 other macros deleted by this patch were undocumented.
744 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
746 * pa.md (reload_outdi): Operand 0 must be a non hard register.
748 * pa.c (secondary_reload_class): SAR<->FP copies require a
751 * install.texi (mips-mips-bsd): Update list of functions
752 required to include memmove.
753 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
754 used functions to include memmove.
756 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
758 * i386.md (sqrtdf2): SFmode should be DFmode.
760 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
762 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
763 (find_moveable_store): Likewise.
765 2001-04-15 Jim Wilson <wilson@redhat.com>
767 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
769 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
771 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
772 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
774 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
776 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
779 2001-04-14 Alan Modra <amodra@one.net.au>
781 * pa.c (force_mode): New function.
782 (emit_move_sequence): Use it instead of generating new rtx_REGs.
784 2001-04-13 Jim Wilson <wilson@redhat.com>
786 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
787 (first_instruction): New static variable.
788 (rtx_needs_barrier): Return 1 for alloc.
789 (init_insn_group_barriers): Set first_instruction.
790 (rws_sum): Delete duplicate definition.
791 (group_barrier_needed_p): Return 0 when first_instruction true.
792 (safe_group_barrier_needed_p): Save and restore first_instruction
793 around group_barrier_needed_p call.
795 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
797 * expr.h (enum libfunc_index): Add LTI_memmove.
798 (memmove_libfunc): Define macro.
799 * optabs.c (init_optabs): Initialize memmove_libfunc.
800 * expr.c (expand_assignment): Use memmove_libfunc instead of
803 2001-04-13 Alan Modra <alan@linuxcare.com.au>
805 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
808 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
810 * Makefile.in (reg-stack.o): Depend on reload.h.
811 (insn-attrtab.o): Depend on flags.h.
813 * genattrtab (main): Include flags.h in insn-attrtab.c.
815 * reg-stack.c: Include reload.h.
817 * sparc.h (flag_pic): Delete redundant declaration.
819 * output.h (flag_pic): Likewise.
821 * tree.h (pedantic): Likewise.
823 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
825 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
827 * jump.c, regmove.c, toplev.c: Include reload.h.
829 * reload.h (reload_cse_regs): Declare.
831 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
832 reload_cse_regs, init_reload, mark_home_live, reload,
833 init_caller_save): Delete redundant prototypes.
835 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
837 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
839 * regclass.c, ssa.c: Include expr.h.
841 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
842 gen_move_insn): Delete redundant declarations.
844 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
846 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
847 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
848 MAKEINFO and MAKEINFOFLAGS too.
849 (stage4_build): Correctly order -B flags.
851 2001-04-13 Alan Modra <amodra@one.net.au>
853 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
854 PIC_OFFSET_TABLE_SAVE_RTX.
855 (zdepi_cint_p): Describe zdepi insn.
856 Formatting and white space fixes throughout file.
858 * pa.c (uint32_operand): Don't use long constant >= 2^32.
859 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
860 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
861 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
862 (output_64bit_and): Use plain `int's for shift counts.
863 (output_64bit_ior): Likewise.
864 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
865 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
868 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
869 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
870 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
871 NEW_HP_ASSEMBLER into one. Kill warnings.
873 * pa-gas.h: Delete file.
874 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
875 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
876 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
877 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
879 * config/pa/mill32.S: New file.
880 * config/pa/mill64.S: New file.
881 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
882 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
883 * config/pa/t-linux64: New file.
884 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
885 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
886 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
888 * elfos.h (SELECT_SECTION): Undef before defining.
889 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
890 (LIB_SPEC): Remove -lmilli.
891 (DBX_REGISTER_NUMBER): Remove.
892 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
893 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
894 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
895 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
896 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
897 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
898 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
900 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
901 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
902 regs if we don't have a prototype.
903 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
904 * pa.h (TARGET_ELF32): Default to 0 if undefined.
905 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
906 EH_RETURN_HANDLER_RTX): Define.
907 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
908 (DWARF_FRAME_REGNUM): Define.
909 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
910 * pa32-linux.h: New file.
911 * pa64-linux.h: New file.
913 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
914 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
915 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
916 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
917 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
918 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
919 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
920 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
921 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
922 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
923 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
924 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
925 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
926 * pa64-hpux.h: New file.
927 (ASM_FILE_START): Correct typo.
928 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
929 * config.gcc: Modify for above.
931 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
933 * jump.c (jump_optimize_1): Don't delete dead stores here.
934 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
935 prior to running jump optimize before cse2.
937 2001-04-12 Richard Henderson <rth@redhat.com>
939 * Makefile.in (regmove.o): Depend on except.h.
940 * regmove.c: Include it.
942 2001-04-12 Stan Shebs <shebs@apple.com>
944 * objc/objc-act.c: Remove all code ifdefed with the never-used
945 macro OBJC_INT_SELECTORS.
946 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
947 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
949 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
951 * config/pa/quadlib.c: Add prototypes.
953 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
955 * bitmap.h (debug_bitmap): Delete redundant prototype.
957 * rtl.h (get_frame_size): Likewise.
959 2001-04-12 Jim Wilson <wilson@redhat.com>
961 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
962 to just emit an fnorm.
964 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
966 * c-common.h (truthvalue_conversion, type_for_mode,
967 type_for_size): Delete redundant declarations.
969 * c-lex.h (is_class_name): Likewise.
971 * c-tree.h (pedantic, convert, getdecls, gettags,
972 global_bindings_p, init_decl_processing, insert_block,
973 maybe_build_cleanup, poplevel, print_lang_decl,
974 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
975 set_block, incomplete_type_error, build_function_call,
976 lvalue_or_else, mark_addressable): Likewise.
978 * expr.h (expand_tree_builtin): Likewise.
980 2001-04-12 Mark Mitchell <mark@codesourcery.com>
982 * invoke.texi: Document --param max-gcse-memory.
984 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
986 * configure.in (errno): Check for declaration.
987 * configure, config.in: Regenerated.
989 * system.h (errno): Only declare if not already done.
991 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
993 * recog.c (general_operand, immediate_operand,
994 nonmemory_operand): Require CONST_INTs to be sign-extended
995 values for their modes.
997 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
999 * expmed.c (store_bit_field): Truncate CONST_INTs.
1000 (expand_mult_highpart, expand_divmod): Likewise.
1001 * expr.c (convert_modes, store_field): Likewise.
1002 * integrate.c (expand_inline_function): Use promote_mode() to
1003 determine whether to convert_modes() an argument as signed
1005 * optabs.c (expand_binop): Get CONST_INT operands
1006 sign-extended for their appropriate modes.
1007 * stmt.c (emit_case_nodes): Convert node values to the
1009 (expand_end_case): Convert minval and range to the appropriate
1011 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1012 the iteration variable.
1013 * varasm.c (immed_double_const): Don't require words to be
1014 narrower than host wide ints to properly sign-extend
1017 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1019 * sh.md (builtin_setjmp_receiver): New expander.
1021 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1023 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1024 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1025 for generating CONST_INT and CONST_DOUBLE.
1027 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1029 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1030 already sign-extended.
1031 (rs6000_emit_prologue): Make register iterator signed.
1032 (rs6000_emit_epilogue): Likewise.
1033 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1035 (movsf split, movdf split): Sign-extend CONST_INTs.
1036 (movdi splits): Likewise.
1038 2001-04-12 Kelley Cook <kelley.cook@home.com>
1040 * config-lang.in (lang_dirs): Add in zlib.
1042 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1044 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1045 operands that make it to RTL.
1047 2001-04-11 Stan Shebs <shebs@apple.com>
1049 Add Darwin (Mac OS X kernel) native support.
1050 * config.gcc (powerpc-*-darwin*): Add native bits.
1051 * config/darwin.c: New file, generic Darwin support functions.
1052 * config/darwin.h: New file, generic Darwin definitions.
1053 * config/darwin-protos.h: New file, generic Darwin prototypes.
1054 * rs6000/darwin.h: New file, Darwin for PowerPC.
1055 * rs6000/t-darwin: New file, Darwin makefile fragment.
1056 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1057 (TARGET_MACHO): Ditto.
1058 (rs6000_abi): Add ABI_DARWIN.
1059 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1060 (RS6000_SAVE_AREA): Ditto.
1061 (FP_ARG_MAX_REG): Ditto.
1062 (RETURN_ADDRESS_OFFSET): Ditto.
1063 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1065 (rs6000_emit_move): Add ABI_DARWIN cases.
1066 (print_operand): Ditto.
1067 (first_reg_to_save): Ditto.
1068 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1069 (debug_stack_info): Ditto.
1070 (rs6000_emit_prologue): Ditto.
1071 (rs6000_emit_epilogue): Ditto.
1072 (output_profiler_hook): Ditto.
1073 (output_function_profiler): Ditto.
1074 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1075 (output_mi_thunk): Add TARGET_MACHO case.
1076 (add_compiler_stub): Ditto.
1077 (output_compiler_stub): Ditto.
1078 (no_previous_def): Ditto.
1079 (output_call): Ditto.
1080 (machopic_output_stub): Ditto.
1081 (rs6000_machopic_legitimize_pic_address): Ditto.
1082 (toc_section): Ditto.
1083 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1084 (macho_high): Ditto.
1087 (load_macho_picbase): Ditto.
1088 (call): Add TARGET_MACHO case to modify function.
1089 (call_value): Ditto.
1090 (call_nonlocal_sysv): Add ABI_DARWIN case.
1091 (call_value_nonlocal_sysv): Ditto.
1092 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1094 (machopic_output_stub): Ditto.
1095 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1097 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1099 * dwarf2out.c (modified_type_die): Don't create new types here.
1100 * tree.h (get_qualified_type): New function.
1101 (build_qualified_type): Adjust comment.
1102 * tree.c (get_qualified_type): New function.
1103 (build_qualified_type): Use it.
1105 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1107 * cpp.texi (-Wtraditional): Update description.
1109 * invoke.texi (-Wtraditional): Likewise.
1111 2001-04-11 Jim Wilson <wilson@redhat.com>
1113 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1114 requires more than 64 bits of alignment.
1116 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1118 * cpplib.c (do_line): Sanity check iff enable checking.
1120 2001-04-11 Richard Henderson <rth@redhat.com>
1122 * Makefile.in (insn-recog.o): Depend on toplev.h.
1123 (insn-emit.o, doloop.o): Likewise.
1124 * genrecog.c, genemit.c: Include toplev.h in generated file.
1125 * doloop.c: Include toplev.h.
1127 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1129 * Makefile.in (gcse.o): Depend on params.h.
1130 * gcse.c: Include params.h.
1131 (gcse_main): Don't do GCSE if doing so will take inordinate
1133 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1134 * params.h (MAX_GCSE_MEMORY): New macro.
1136 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1138 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1140 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1142 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1144 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1146 * real.h (ereal_atof, real_value_truncate, target_isnan,
1147 target_isinf, target_negative, assemble_real, debug_real): Delete
1148 redundant prototypes.
1150 * Makefile.in (ifcvt.o): Depend on toplev.h.
1152 * c-semantics.c: Include expr.h.
1154 * ifcvt.c: Include toplev.h.
1156 * expr.h (rtx_equal_p): Delete prototype.
1158 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1159 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1160 eliminate_constant_term, expand_complex_abs, find_single_use,
1161 make_tree, init_expr_once, init_optabs, supports_one_only):
1164 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1165 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1166 expand_assignment, store_expr, emit_line_note_after,
1167 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1169 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1171 * sparc-protos.h: Delete redundant prototypes.
1173 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1175 * reload.c (push_reload): Add condition missed in SUBREG byte
1178 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1180 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1182 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1184 * i386.md (floatsisf_sse): Fix output template
1185 * i386.c (ix86_expand_fp_movcc)
1187 * reg-stack.c (emit_pop_insn): Handle complex modes.
1188 (move_for_stack_reg): Emit proper move mode.
1189 (subst_stack_regs_pat): Handle complex modes.
1191 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1193 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1195 2001-04-10 Richard Henderson <rth@redhat.com>
1197 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1198 (__pure_virtual, __terminate, __terminate_set_func,
1199 __default_terminate, __throw_type_match, __empty,
1200 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1201 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1202 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1203 Remove prototypes of deleted functions.
1205 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1207 * c-typeck.c (convert_arguments): -Wtraditional now activates
1208 -Wconversion warnings, except for changes in signed-ness.
1209 Detect complex<->int & int<->complex conversions as well.
1211 * invoke.texi (-Wtraditional): Document it.
1213 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1215 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1216 * flow.c (set_block_for_new_insns): Remove needless cast and
1217 properly check for unset block number.
1219 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1221 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1222 the subreg was a hard register. Pseudos are left as subregs.
1224 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1226 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1227 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1228 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1229 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1230 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1232 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1234 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1236 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1238 * output.h (set_block_num): Missed it earlier, remove deprecated
1241 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1243 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1244 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1245 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1246 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1247 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1248 (expr_killed_p): Change bb parameter from int to basic_block, pass
1249 basic_blocks instead of ints as parameters.
1250 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1251 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1252 from int to basic_block, pass basic_blocks instead of ints as parms.
1253 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1254 parameter from int to basic_block, pass basic_blocks instead of ints.
1255 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1256 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1257 pass basic_blocks instead of ints.
1258 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1259 basic_blocks instead of ints as parameters.
1260 (pre_delete): Pass basic_blocks instead of ints as parameters.
1261 (hoist_expr_reaches_here_p): Change bb parameter from int to
1262 basic_block, pass basic_blocks instead of ints.
1263 (hoist_code): Pass basic_blocks instead of ints as parameters.
1264 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1265 Change bb parameter from int to basic_block.
1266 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1267 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1268 pass basic_blocks instead of ints.
1269 (insert_store): Pass basic_blocks instead of ints as parameters.
1270 (replace_store_insn, delete_store): Change bb parameter from int to
1271 basic_block, pass basic_blocks instead of ints.
1272 (store_motion): Pass basic_blocks instead of ints as parameters.
1274 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1276 * basic-block.h (set_new_block_for_insns): New Prototype.
1277 (set_block_num): Delete prototype.
1278 * flow.c (set_block_num): Remove obsolete function.
1279 (set_block_for_new_insns): Set BB for single or multiple insns.
1280 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1281 (process_insn_end_bb): Use set_block_for_new_insns or
1282 set_block_for_insn instead of set_block_num.
1283 (pre_insert_copy_insn): Use set_block_for_new_insns.
1284 (update_ld_motion_stores): Use set_block_for_new_insns.
1285 (insert_insn_start_bb): Use set_block_for_new_insns.
1286 (replace_store_insn): Use set_block_for_new_insns.
1288 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1289 Jeff Law <law@redhat.com>
1291 * alias.c (get_addr): Externalize.
1292 (canon_true_dependence): New function. Behaves like true_dependance
1293 except it already assumes a MEM has been canonicalized.
1294 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1295 * gcse.c (struct ls_expr): Add load/store expressions structure.
1296 (modify_mem_list, canon_modify_mem_list): New variable.
1297 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1298 load motion and store motion if requested.
1299 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1300 (free_gcse_mem): Free the modify_mem_list array.
1301 (oprs_unchanged_p): Use load_killed_in_block_p.
1302 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1303 (mems_conflict_for_gcse_p): New function. Don't kill loads
1304 with stores to themselves if its in the load/store expression list.
1305 (load_killed_in_block_p): New function.
1306 (canon_list_insert): New Function.
1307 (record_last_mem_set_info): Keep a list of all instructions which
1308 can modify memory for each basic block.
1309 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1310 (oprs_not_set_p): Use load_killed_in_block_p.
1311 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1312 (expr_killed_p): Use load_killed_in_block_p.
1313 (compute_transp): Do not pessimize memory references.
1314 (pre_edge_insert): Update stores for a load motion expression.
1315 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1316 (ldst_entry): Find or create a ldst_expr structure.
1317 (free_ldst_entry): Free memory for an individual item.
1318 (free_ldst_mems): Free entire load/store expression list.
1319 (print_ldst_list): Print debug info.
1320 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1321 (enumerate_ldsts): Assign integer values to each entry in list.
1322 (first_ls_expr): First expression in the list.
1323 (next_ls_expr): Next expression in the list.
1324 (simple_mem): Check if expression qualifies for ld/st expression list.
1325 (invalidate_any_buried_refs): Remove from expression list if its
1326 used in some other way we dont understand.
1327 (compute_ld_motion_mems): Find all potential enhanced load motion
1329 (trim_ld_motion_mems): Remove any expressions which are invalid.
1330 (update_ld_motion_stores): Copy store values to registers for loads
1331 which have been moved.
1332 (regvec, st_antloc, num_store): New global statics.
1333 (reg_set_info): Marks registers as set.
1334 (store_ops_ok): Verfies registers expressions are valid in a block.
1335 (find_moveable_store): Look for moveable stores in a pattern.
1336 (compute_store_table): Find stores in a function worth moving, maybe.
1337 (load_kills_store): Check dependance of a load and store.
1338 (find_loads): Find any loads in a pattern.
1339 (store_killed_in_insn): Check if a store is killed in an insn.
1340 (store_killed_after): Check is store killed after an insn in a block.
1341 (store_killed_before): Check is store killed before an insn in a block.
1342 (build_store_vectors): Generate the antic and avail vectors.
1343 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1344 (insert_store): Add a store to an edge.
1345 (replace_store_insn): Replace a store with a SET insn.
1346 (delete_store): Delete a store insn.
1347 (free_store_memory): Free memory.
1348 (store_motion): Perform store motion.
1349 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1350 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1351 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1352 (f_options): Add gcse-lm and gcse-sm.
1354 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1356 * i386.c (expand_fp_movcc): Fix condition reversal code.
1358 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1359 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1360 (CLASS_MAX_NREGS): Use it.
1362 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1363 handle properly complex values.
1364 (CLASS_MAX_NREGS): Likewise; update comment.
1366 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1368 * ia64.c (ia64_flag_schedule_insns2): New variable.
1369 (ia64_override_options): Initialize it. Clear
1370 flag_schedule_insns_after_reload.
1371 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1373 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1375 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1376 Do not require source to match destination anymore;
1377 Add abort to the nontrivial cases that should be handled by split.
1378 (fix_trunc?fdi): Add SSE case for x86_64.
1379 (floatdi?f): Likewise.
1380 (floatdi?f_sse): New.
1381 (fix_trunc?fdi_sse): New.
1383 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1385 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1386 (DEBUG_ARANGES_END_LABEL): Ditto.
1387 (dwarfout_init): Generate length and version fields at the start
1388 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1389 after the length field.
1390 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1391 the .debug_aranges info.
1393 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1395 * i386.c (call, call_value): Make sure that resulting call_insn
1396 does have proper second operand.
1398 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1400 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1401 function. Remove include of sys/cygwin.h.
1403 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1405 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1406 (CPP_SPEC): Always search */include/w32api for header files.
1407 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1408 (LINK_SPEC): Add "cyg" to the library search prefixes.
1410 2001-04-08 Philip Blundell <philb@gnu.org>
1412 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1414 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1416 * cpperror.c (print_location): Don't special case <stdin>.
1417 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1418 WARNING, but we don't check if we're in system headers.
1419 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1420 * cpplib.c (do_warning): Warn in system headers.
1422 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1424 * mbchar.c: Include config.h first.
1426 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1428 * config.gcc: Set default for xmake_file at top, not bottom.
1429 Change places that set xmake_file to "none" to set to the
1430 empty string instead, or remove them entirely if there is no
1431 default xmake_file for this cpu_type. Remove references to
1434 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1435 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1436 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1437 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1438 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1439 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1440 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1441 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1442 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1443 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1446 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1447 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1448 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1449 config/mips/x-sysv, config/rs6000/x-aix31:
1450 Just set CLIB to -lld or -lmld, as appropriate.
1452 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1453 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1454 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1455 config/mips/x-iris, config/pa/x-pa:
1456 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1457 OTHER_FIXINCLUDES_DIRS.
1459 * config/i386/x-djgpp: Don't set LN or LN_S.
1460 * config/m88k/x-dolph: Don't define __m88k__.
1461 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1462 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1463 * config/i860/fx2800.h: No need to #undef SVR4.
1465 38 x-host fragments remain, 2 x-cpu.
1467 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1469 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1471 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1473 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1475 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1477 * configure.in: Add check for lstat.
1478 * configure, config.in: Regenerate.
1479 * cppinit.c (append_include_chain): Make empty path ".".
1480 * cpplib.c (do_line): Don't simplify #line paths.
1481 * cppfiles.c (remove_component_p): New function.
1482 (find_or_create_entry): Acknowledge stat () errors during
1483 path simplification.
1484 (handle_missing_header): Don't simplify paths.
1485 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1486 the empty path untouched. Don't leave a trailing '/'.
1488 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1490 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1491 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1493 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1495 * cppfiles.c (open_file): Fail directories silently, but
1496 with an errno of NOENT set.
1497 (read_include_file): Move the common exit code to the sole
1498 caller. Return an int indicating success or failure. Let
1499 open_file handle directories.
1500 (stack_include_file): If read_include_file fails,
1501 push a "null" buffer.
1503 2001-04-05 DJ Delorie <dj@redhat.com>
1505 * function.h (virtuals_instantiated): Declare.
1506 * function.c: (virtuals_instantiated): Make global.
1507 * calls.c (emit_library_call_value_1): Use
1508 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1509 Otherwise, use the stack pointer directly.
1511 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1513 * i386.c (x86_initialize_trampoline): New global function.
1514 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1515 (INITIALIZE_TRAMPOLINE): Move offline.
1516 * i386-protos.h (x86_initialize_trampoline): Declare.
1518 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1520 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1521 (lea_0): Rename to lea_1.
1522 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1523 (lea_general_?): Allow SImodes on TARGET_64BIT
1524 (lea_general_?_zext): New patterns.
1525 (call_1, call_1_rex64): Fix.
1527 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1529 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1531 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1533 * i386.c (function_arg): Return constm1_rtx for last argument.
1534 (ix86_expand_prologue): Update gen_call calls.
1535 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1536 * i386.md (call_pop): Likewise.
1537 (call): Second operand is VOIDmode.
1538 (call_0): Likewise; Support 64bits.
1539 (call_exp): New expander.
1540 (call_1): Get to the sync.
1541 (call_1_exp): New pattern.
1542 (call_value): Support 64bit.
1543 (call_value_exp): New pattern.
1544 (untyped_call): Update gen_call call.
1545 (call_value_pop): Disable for 64bit.
1546 (call_value_0_rex64): New pattern.
1547 (call_value_1_rex64): Likewise.
1549 2001-04-05 Bo Thorsen <bo@suse.de>
1551 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1553 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1555 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1556 satisfies ANY_QI_REG_P.
1558 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1560 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1563 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1566 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1568 * config.gcc: Remove default for xm_file. Clean up local
1569 machine type handling. Remove settings of xm_file to
1570 something that doesn't exist. In the big switch, set xm_file,
1571 don't append to it (the value before the big switch is always
1572 null). Don't force build_xm_file or host_xm_file to have a value.
1573 * configure.in: Remove default for xm_file. Do not special
1574 case $cpu/xm-$cpu.h not existing.
1575 * configure: Regenerate.
1577 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1579 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1580 when folding integer division and modulo operations.
1582 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1584 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1585 instead of DWARF2_ADDR_SIZE for EH addresses.
1586 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1589 2001-04-04 Richard Henderson <rth@redhat.com>
1591 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1592 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1593 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1595 2001-04-04 Richard Henderson <rth@redhat.com>
1597 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1598 * configure: Rebuilt.
1600 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1602 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1603 push insns to delete to it instead of deleting them.
1604 (delete_null_pointer_checks): Delete insns from delete_list after
1605 all delete_null_pointer_checks_1 passes are done.
1607 2001-04-04 Richard Henderson <rth@redhat.com>
1609 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1610 * configure: Rebuilt.
1612 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1614 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1615 * config/romp/xm-romp.h: Delete.
1617 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1619 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1622 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1624 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1625 all labels present in rtx.
1626 (try_split) Call new function for all split insns.
1628 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1630 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1631 sure the change won't be validated.
1633 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1635 * rtl.h (set_noop_p): Declare.
1636 * flow.c (set_noop_p): Move from here ...
1637 * rtlanal.c (set_noop_p): ... to here and enhance.
1638 * cse.c (delete_trivially_dead_insns): Use it.
1639 * gcse.c (hash_scan_set): Likewise.
1640 * jump.c (delete_noop_moves): Likewise.
1641 * recog.c (split_all_insns): Likewise.
1643 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1645 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1646 stack pointer via a LO_SUM. Ditto for setting a temp register
1647 used to save to the stack. Set cfa_temp when setting fp, and
1648 allow matches to cfa_temp in addition to cfa_store when saving
1649 regs. Handle POST_INC and LO_SUM register stores. Document the
1650 changes and errors in rule 12 doco.
1652 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1653 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1654 (load_reg): Move closer to epilogue code.
1655 (DO_FRAME_NOTES): Define to control the following..
1656 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1657 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1659 (hppa_expand_epilogue): Likewise.
1661 2001-04-03 Richard Henderson <rth@redhat.com>
1663 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1664 * configure: Rebuild.
1666 2001-04-03 Richard Henderson <rth@redhat.com>
1668 * rtl.h (LCT_THROW): New.
1669 * calls.c (emit_library_call_value_1): Handle it.
1670 * except.c (connect_post_landing_pads): Use it.
1672 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1674 * gansidecl.h: Delete file.
1675 * configure.in: Change all refs to gansidecl.h to use
1676 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1678 * configure: Regenerate.
1680 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1681 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1682 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1683 Don't include gansidecl.h.
1684 * intl.c, main.c, version.c, fixinc/fixlib.h,
1685 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1688 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1690 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1693 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1695 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1696 config/i386/xm-next.h, config/i386/xm-sco.h,
1697 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1698 config/m88k/xm-m88k.h: Delete.
1700 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1701 * config/romp/xm-romp.h: Don't define bcopy.
1702 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1703 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1705 * config.gcc: Remove references to deleted files.
1707 14 xm-host.h remain, 1 xm-cpu.h.
1709 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1710 David S. Miller <davem@pierdol.cobaltmicro.com>
1711 Andrew MacLeod <amacleod@redhat.com>
1713 Use byte offsets in SUBREGs instead of words.
1715 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1716 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1717 to pass new argument.
1718 (add_stored_regs): Use subreg_regno_offset function.
1719 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1721 (precompute_arguments): Use gen_lowpart_SUBREG.
1722 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1723 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1724 (simplify_set): Rework to use SUBREG_BYTE.
1725 (expand_field_assignment): Use SUBREG_BYTE.
1726 (make_extraction): Use SUBREG_BYTE.
1727 (if_then_else_cond): Use SUBREG_BYTE.
1728 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1729 (gen_lowpart_for_combine): Compute full byte offset.
1730 * cse.c (mention_regs): Use SUBREG_BYTE.
1731 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1732 (canon_hash): Use SUBREG_BYTE.
1733 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1734 (gen_lowpart_if_possible): Formatting.
1735 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1737 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1738 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1739 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1740 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1741 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1742 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1743 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1744 certain invariants about SUBREGs the compiler creates.
1745 (gen_lowpart_SUBREG): New function.
1746 (subreg_hard_regno): New function to get the final register number.
1747 (gen_lowpart_common): Use SUBREG_BYTE.
1748 (gen_imagpart): Spacing nits.
1749 (subreg_realpart_p): Use SUBREG_BYTE.
1750 (gen_highpart): Use SUBREG_BYTE.
1751 (subreg_lowpart_p): Always compute endian corrected goal offset,
1752 even at the byte level, then compare against that.
1753 (constant_subword): New function, pulled out all constant cases
1754 from operand_subword and changed second argument name to offset.
1755 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1756 and call constant_subword to do the work. Return const0_rtx if
1757 looking for a word outside of OP.
1758 (operand_subword_force): Change second arg name to offset.
1759 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1760 (store_split_bit_field): Use SUBREG_BYTE.
1761 (extract_bit_field): Use SUBREG_BYTE.
1762 (extract_split_bit_field): Use SUBREG_BYTE.
1763 (expand_shift): Use SUBREG_BYTE.
1764 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1765 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1766 * flow.c (set_noop_p): Use SUBREG_BYTE.
1767 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1768 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1769 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1771 (optimize_bit_field): Use SUBREG_BYTE.
1772 (purge_addressof_1): Use SUBREG_BYTE.
1773 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1774 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1775 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1776 * gengenrtl.c (special_rtx): Add SUBREG.
1777 * global.c (mark_reg_store): Use SUBREG_BYTE.
1778 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1779 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1780 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1781 final byte offset is congruent to subreg's mode size.
1782 (subst_constants): Use SUBREG_BYTE.
1783 (mark_stores): Use subreg_regno_offset function.
1784 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1785 function and SUBREG_BYTE.
1786 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1787 (reg_is_born): Use subreg_hard_regno.
1788 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1789 endian correction code. Don't combine subregs unless resulting
1790 offset aligns with type. Fix subreg constant extraction for DImode.
1791 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1792 (general_operand): Remove dead mode_altering_drug code.
1793 (indirect_operand): Use SUBREG_BYTE.
1794 (constrain_operands): Use subreg_regno_offset function.
1795 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1796 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1797 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1798 * regs.h (REG_SIZE): Allow target to override.
1799 (REGMODE_NATURAL_SIZE): New macro which target can override.
1800 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1801 on the entire subreg rtx.
1802 (push_reload): Use SUBREG_BYTE in comments and code.
1803 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1804 for hard registers inside subregs.
1805 (operands_match_p): Use subreg_regno_offset.
1806 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1807 containing hard regs.
1808 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1809 corrections when fixing up MEM subregs.
1810 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1811 subreg_regno_offset where appropriate.
1812 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1813 byte endian corrections when fixing up MEM subregs.
1814 (subst_reloads): When combining two subregs, make sure final
1815 offset is congruent to subreg's mode size.
1816 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1817 (refers_to_regno_for_reload_p): Use subreg_regno.
1818 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1819 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1820 correction code for memory subreg fixups.
1821 (forget_old_reload_1): Use subreg_regno_offset.
1822 (choose_reload_regs): Use subreg_regno.
1823 (emit_input_reload_insns): Use SUBREG_BYTE.
1824 (reload_combine_note_store): Use subreg_regno_offset.
1825 (move2add_note_store): Use subreg_regno_offset.
1826 * resource.c (update_live_status, mark_referenced_resources): Use
1827 subreg_regno function.
1828 (mark_set_resources): Use subreg_regno function.
1829 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1830 (subreg_regno_offset, subreg_regno): Define prototypes.
1831 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1832 (gen_lowpart_SUBREG): Add prototype.
1833 * rtl.texi (subreg): Update to reflect new byte offset representation.
1834 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1835 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1836 (reg_overlap_mentioned_p): Use subreg_regno.
1837 (replace_regs); Make sure final offset of combined subreg is
1838 congruent to size of subreg's mode.
1839 (subreg_regno_offset): New function.
1840 (subreg_regno): New function.
1841 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1842 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1843 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1844 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1845 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1846 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1847 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1848 (print_operand): Use SUBREG_BYTE.
1849 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1850 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1851 (arm_reload_out_hi): Use SUBREG_BYTE.
1852 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1853 instead of SUBREG_WORD.
1854 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1855 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1856 SUBREG creation to use byte offset.
1857 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1858 inverted load insns): Fix explicit rtl subregs to use byte
1860 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1861 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1862 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1863 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1864 to use byte offsets.
1865 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1866 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1867 offsets, also make sure it is congruent to SUBREG's mode size.
1868 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1869 unnamed ldob insn): Generate SUBREGs with byte offset.
1870 (zero_extendqihi2): SUBREG's are byte offsets.
1871 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1872 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1873 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1874 zero-extendqisi2): Generate SUBREGs with byte offset.
1875 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1876 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1877 subregs in rtl to use byte offsets.
1878 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1879 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1880 (mips_move_2words): Use subreg_regno_offset.
1881 (mips_secondary_reload_class): Use subreg_regno_offset.
1882 * config/mips/mips.md (DImode plus, minus, move, and logical op
1883 splits): Fixup explicit subregs in rtl to use byte offsets.
1884 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1885 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1886 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1887 rtl to use byte offsets.
1888 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1889 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1890 subregs to use byte offsets.
1891 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1892 Fixup explicit subregs in rtl to use byte offsets.
1893 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1894 and remove byte endian correction code.
1895 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1896 (gen_ashift_hi): Use SUBREG_BYTE.
1897 (regs_used): Use subreg_regno_offset.
1898 (machine_dependent_reorg): Use subreg_regno_offset.
1899 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1900 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1901 (movdf_i4): Subregs are byte offsets now.
1902 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1903 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1904 (REGMODE_NATURAL_SIZE): Override.
1905 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1906 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1908 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1909 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1910 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1911 it is congruent to SUBREG's mode size.
1912 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1914 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1915 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1916 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1917 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1918 * config/v850/v850.c (print_operand, output_move_double): Use
1919 subreg_regno function.
1921 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1923 * configure.in (target_subdir): Use target_alias, not target.
1924 * configure: Rebuilt.
1926 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1928 * config/sh/crti.asm: Fix typos in comments.
1930 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1932 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1933 TARGET_FAST_INDIRECT_CALLS.
1934 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1936 (return_addr_rtx): Short circuit export stub matching when
1937 TARGET_NO_SPACE_REGS.
1938 (output_millicode_call): For out of range calls, make -fPIC
1939 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1940 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1941 * pa.md: Modify length attr calculation of all millicode insns to
1944 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1946 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1947 Require at least 2.11 in the version test. Specifically check
1948 for and reject GAS version 2.10.90.
1949 * configure: regenerate.
1951 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1953 * pa.c (override_options): Remove PIC profiling warning.
1954 (hp_profile_labelno): Delete.
1955 (hp_profile_label_rtx): Delete.
1956 (hp_profile_label_name): Delete.
1957 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1958 (output_function_prologue): Remove profiling code and all tests on
1959 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1960 merge_sp_adjust_with_store can work for PIC and profiling.
1961 (hppa_expand_epilogue): Remove profile_flag test.
1962 (hppa_can_use_return_insn_p): Likewise.
1963 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1964 cater for PROFILE_HOOK.
1965 (hppa_profile_hook): New function.
1966 * pa.h (FUNCTION_PROFILER): Now does nothing.
1967 (PROFILE_HOOK): Define.
1968 (hppa_profile_hook): Declare.
1969 (PROFILE_BEFORE_PROLOGUE): Delete.
1970 (ASM_OUTPUT_REG_PUSH): Delete.
1971 (ASM_OUTPUT_REG_POP): Delete.
1972 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1973 r24. Accept function name operand, and use this and a locally
1974 generated label to calculate pc-rel offset to func start.
1976 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1978 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1979 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1982 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1984 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1985 LO_SUM cases to where they belong.
1987 2001-04-02 Richard Henderson <rth@redhat.com>
1989 * except.h (lang_eh_type_covers): Mark extern.
1990 (lang_eh_runtime_type): Likewise.
1992 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1994 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1995 gengenrtl.c: Wrap generated header in multiple-include guard.
1996 Improve error checking.
1998 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2000 * configure.in: Don't check for putenv.
2001 * configure: Regenerate.
2002 * gcc.c (putenv): Don't define.
2003 * vax/xm-vms.h: Handle putenv.
2005 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2007 * ifcvt.c (noce_emit_move_insn): New.
2008 (noce_try_store_flag, noce_try_store_flag_constants,
2009 noce_try_store_flag_inc, noce_try_store_flag_mask,
2010 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2011 noce_try_abs): Use it.
2012 (noce_process_if_block): Likewise.
2013 For STRICT_LOW_PART, take mode from its SUBREG.
2015 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2017 * fold-const.c (fold): Before optimizing unsigned comparison with
2018 0x7fffffffU, make sure arg0 is integral type.
2020 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2022 * c-tree.texi: Document representation of wide strings.
2024 2001-04-01 Richard Henderson <rth@redhat.com>
2026 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2028 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2030 * i386.md: remove obsoleted comments.
2031 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2032 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2033 fix output template.
2035 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2037 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2039 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2041 * loop.c (load_mems): When generating a load from a pseudo, update
2044 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2046 * i386.c (ix86_split_long_move): Use change address to compensate
2047 stack pointer change in push instruction.
2049 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2051 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2052 instead of rtx_equal_p; fix the output template.
2054 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2056 * i386.c (ix86_expand_setcc): Support 64bit.
2057 (ix86_expand_int_movcc): Likewise.
2058 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2061 * i386.md (allocate_stack_worker): Turn to expander.
2062 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2064 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2066 2001-03-29 Richard Henderson <rth@redhat.com>
2068 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2070 2001-03-28 Matthew Hiller <hiller@redhat.com>
2072 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2075 * MAINTAINERS: Added self.
2077 2001-03-28 Richard Henderson <rth@redhat.com>
2079 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2080 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2082 2001-03-28 Jim Wilson <wilson@redhat.com>
2084 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2087 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2089 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2091 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2094 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2096 2001-03-28 DJ Delorie <dj@redhat.com>
2098 * Makefile.in (stage1_build): Revert CFLAGS patch.
2100 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2102 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2103 when multiplier or multiplicand is zero.
2105 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2107 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2109 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2111 (set_src_needs_barrier): Likewise.
2112 (rtx_needs_barrier): For SET case, use these two functions. Rework
2113 PARALLEL case to handle all inputs before all outputs.
2114 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2115 saw a label and no stop bit since then.
2116 (maybe_rotate, process_epilogue): Add prototypes.
2118 2001-03-28 Richard Henderson <rth@redhat.com>
2120 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2121 not TARGET_TOC for special toc restore handling.
2122 * config/rs6000/rs6000.md (eh_return): Likewise.
2124 2001-03-28 Richard Henderson <rth@redhat.com>
2126 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2127 current_function_calls_eh_return.
2128 (output_function_epilogue): Handle eh_return.
2129 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2130 (EH_RETURN_DATA_REGNO): New.
2131 (EH_RETURN_STACKADJ_RTX): New.
2132 (EH_RETURN_HANDLER_RTX): New.
2133 * config/sparc/sparc.md (call/short branch peepholes): Check
2134 can_throw_internal instead of in_same_eh_region.
2136 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2137 for eh_return data registers.
2138 (rs6000_emit_prologue): Save eh_return data registers.
2139 (rs6000_emit_epilogue): Force inline restores if eh_return.
2140 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2141 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2142 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2143 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2144 the target uses one.
2145 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2146 (return_eh_si, return_eh_di): Remove.
2147 (eh_return): New, from corpse of eh_epilogue.
2148 (eh_set_lr_si, eh_set_lr_di): New.
2150 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2151 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2152 True for pic register if current_function_calls_eh_return.
2153 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2154 Handle eh_return requirements.
2155 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2156 (EH_RETURN_STACKADJ_RTX): New.
2157 * config/i386/i386.md (exception_receiver): Remove.
2158 (eh_return, eh_return_1): New.
2159 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2161 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2162 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2163 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2164 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2165 (EH_RETURN_DATA_REGNO): New.
2166 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2167 * config/alpha/alpha.md (eh_epilogue): Remove.
2168 (exception_receiver): Use $26 for ldgp input.
2169 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2171 2001-03-28 Richard Henderson <rth@redhat.com>
2173 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2174 * except.h: Likewise.
2176 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2177 (LIB2ADDEHDEP): New.
2178 (LIB2FUNCS_EH): Remove.
2179 (LIB2ADD): Remove LIB2ADDEH.
2180 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2181 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2182 (crt{begin,end}[S].o): Likewise.
2183 (except.o): Update includes.
2184 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2185 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2187 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2188 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2189 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2190 * builtins.c (expand_builtin): Implement it.
2191 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2192 * c-common.c (c_common_nodes_and_builtins): Declare it.
2193 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2194 * calls.c (libfunc_nothrow): Remove.
2195 (emit_library_call_value_1): Don't call it.
2196 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2197 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2198 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2199 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2200 (current_funcdef_number): Globalize.
2201 (output_call_frame_info): Emit frame data if an lsda is needed.
2202 Generate augmentation for personality routine. Don't play with
2204 (dwarf2out_begin_prologue): Record funcdef_number.
2205 * dwarf2out.h (current_funcdef_number): Declare.
2206 * expr.c (expand_expr): Update for except.h name changes.
2207 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2208 * expr.h (LTI_throw, LTI_rethrow): Remove.
2209 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2210 (LTI_eh_rtime_match): Remove.
2211 (LTI_unwind_resume, LTI_eh_personality): Add.
2212 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2213 * final.c (final): Don't call check_exception_handler_labels,
2214 init_insn_eh_region, or free_insn_eh_region.
2215 (final_scan_insn): Always emit debug labels for
2216 NOTE_INSN_EH_REGION notes.
2217 * flags.h (flag_new_exceptions): Remove.
2218 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2219 (record_active_eh_regions): Remove.
2220 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2221 Use can_throw_internal.
2222 (find_basic_blocks_1): Likewise.
2223 (move_stray_eh_region_notes): Remove.
2224 (find_label_refs): No eh_return_stub_label.
2225 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2226 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2228 (delete_unreachable_blocks): Don't track deleted handlers.
2229 (flow_delete_block): Use maybe_remove_eh_handler.
2230 (delete_eh_regions): Remove.
2231 (merge_blocks): Don't check for eh region match.
2232 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2233 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2234 (init_propagate_block_info): Disable dead frame store optimization
2235 when current_function_calls_eh_return.
2236 (dump_bb): Don't print eh_beg, eh_end.
2237 * function.c (fixup_var_refs): No catch_clauses.
2238 (expand_function_end): Likewise. Call expand_eh_return before
2239 the return register use. Call sjlj_emit_function_exit_after.
2240 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2241 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2242 * ifcvt.c (dead_or_predicable): Remove eh region check.
2243 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2244 Don't check for EH vs parameters.
2245 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2246 (expand_inline_function): Call duplicate_eh_regions.
2247 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2248 (copy_insn_notes): Remap REG_EH_REGION notes.
2249 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2250 * integrate.h (struct inline_remap): Add local_return_label.
2251 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2252 check_exception_handler_labels, nor exception_optimize.
2253 (find_cross_jump): No EH region check.
2254 * optabs.c (init_optabs): Update for changed eh libfuncs.
2255 * rtl.def (RESX): New.
2256 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2257 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2258 checks. Update for except.h name changes.
2259 (expand_cleanups): Likewise.
2260 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2261 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2262 (compile_file): Call init_eh before init_optabs. Don't
2263 output_exception_table here.
2264 (rest_of_compilation): Call convert_from_eh_region_ranges,
2265 convert_to_eh_region_ranges, output_function_exception_table.
2266 Don't emit_eh_context.
2267 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2268 (EXC_PTR_EXPR): New.
2270 * md.texi (eh_epilogue): Remove.
2271 (eh_return): Document.
2272 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2273 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2275 * eh-common.h: Remove file.
2276 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2277 * libgcc2.c (L_eh): Remove.
2279 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2280 * unwind-dw2-fde.h: New file.
2281 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2282 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2283 * libgcc-std.ver: Update for eh symbols.
2285 2001-03-27 Richard Henderson <rth@redhat.com>
2287 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2288 reduce false positives.
2289 (regmove_optimize): Disable if flag_non_call_exceptions.
2291 * stmt.c (expand_return): Remove always true predicate.
2292 (expand_decl_cleanup_no_eh): Remove dead code.
2294 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2295 barrier code. Add a scheduling barrier if a non-call insn
2296 can throw internally.
2298 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2299 Auto-inc addresses trap only if their base register does.
2301 * except.c (can_throw_internal): Rename from can_throw.
2302 * except.h, resource.c: Update references.
2304 * integrate.c (copy_insn_list): Use returnjump_p.
2305 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2307 * function.h (struct function): Move all boolean valued fields
2308 to single bit fields at the end of the struct.
2310 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2312 Rename asynchronous_exceptions to flag_non_call_exceptions.
2314 * gthr-single.h (UNUSED): New. Distinguish between how C
2315 and C++ mark unused function arguments. Use throughout.
2317 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2318 value to target configuration header.
2319 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2320 * config.in, configure: Rebuild.
2321 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2322 configuration and target defines.
2323 (exceptions_via_longjmp): Remove.
2324 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2325 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2327 * except.h (flag_non_call_exceptions): Move ...
2328 * flags.h: ... here.
2330 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2331 exceptions, put the note on the trapping instruction.
2333 * flags.h (flag_new_exceptions): Remove.
2334 * toplev.c: Don't set it.
2335 * final.c: Don't check it.
2336 * except.c: Provide stub definition.
2338 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2339 (calculate_global_regs_live): Kill call-clobbered registers
2340 across exception edges.
2341 * reg-stack.c (convert_regs_1): Kill the entire target stack
2342 across non-call exception edges.
2344 * flow.c (cleanup_cfg): Take no argument.
2345 * output.h, sibcall.c, toplev.c: Update all calls.
2347 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2349 * configure.in: Don't check for bcopy.
2350 * configure, config.in: Regenerate.
2352 * system.h: Don't define or prototype bcopy, instead poison it.
2354 2001-03-27 Richard Henderson <rth@redhat.com>
2356 * function.c (expand_function_start): Set DECL_REGISTER on
2357 a pseudo used for DECL_RESULT.
2359 * rtl.h (LCT_NORETURN): New.
2360 * calls.c (emit_library_call_value_1): Handle it.
2362 2001-03-27 Stan Shebs <shebs@apple.com>
2364 * objc/objc-act.c (objc_init): Use dump_base_name.
2365 (gen_declaration): Clear the buffer arg.
2366 (gen_declaration_1): New function, body of gen_declaration.
2367 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2368 (gen_method_decl): Ditto, plus always clear buffer arg.
2369 (error_with_ivar): Simplify.
2370 (warn_with_method): Ditto.
2371 (build_message_expr): Don't clear buffers.
2372 (dump_interface): Ditto.
2373 (objc_debug): Ditto.
2374 (build_keyword_selector): Clear the buffer by only zeroing
2376 (objc_implementation_context): Declare.
2377 (start_class): Warn about missing @end.
2378 (finish_objc): Ditto.
2380 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2382 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2384 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2386 * Makefile.in (SYSTEM_H): Define.
2387 Depend on $(SYSTEM_H), not system.h.
2389 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2391 2001-03-27 Jim Wilson <wilson@redhat.com>
2393 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2395 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2396 (process_epilogue): New static function.
2397 (process_set): Call process_epilogue instead of emitting .restore
2399 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2401 * flow.c (struct reg_cond_life_info): New fields orig_condition
2403 (init_propagate_block_info): Set new fields.
2404 (mark_regno_cond_dead): Set and use new fields.
2405 (flush_reg_cond_reg_1): Likewise.
2406 (and_reg_cond, case AND): Check for redundant AND conditions.
2407 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2410 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2412 * cppmacro.c (stringify_arg): Null terminate strings.
2414 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2416 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2417 inclusion style. xm-m68hc11.h no longer exists.
2418 * config/m68hc11/xm-m68hc11.h: Delete file.
2419 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2421 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2422 Don't define GCC_VERSION, N_, or PARAMS; don't include
2423 gansidecl.h or stdio.h. Define inhibit_libc here.
2424 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2425 Delete code conditioned on #if GCC_VERSION == 2095.
2427 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2428 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2429 Delete code conditioned on #if GCC_VERSION == 2095.
2431 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2433 * system.h: Include symcat.h.
2434 (STRINGIFY): Don't define.
2436 * configure.in: Adjust comment.
2438 * builtins.c: Use STRINGX, not STRINGIFY.
2439 * gencheck.c: Likewise.
2440 * gengenrtl.c: Likewise.
2441 * protoize.c: Likewise.
2443 * cpplex.c: Don't include symcat.h.
2444 * cpplib.c: Likewise.
2446 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2448 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2450 * c-typeck.c (digest_init): Fold init expression.
2452 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2454 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2456 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2458 * except.c (eh_regs): Save results of build_pointer_type to a temp
2459 as FUNCTION_VALUE macro may evaluate its args multiple times.
2461 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2463 * c-common.h (DECL_NUM_STMTS): New macro.
2464 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2466 (pushdecl): Likewise.
2467 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2468 * integrate.c (expand_inline_function): Don't check
2470 * print-tree.c (print_node): Don't print it.
2471 * toplev.c (rest_of_compilation): Don't try to inline when
2472 flag_no_inline is on.
2473 * tree.h (DECL_FRAME_SIZE): Remove.
2474 (tree_decl): Adjust accordingly.
2476 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2478 * combine.c (try_combine): Use memcpy, not bcopy.
2480 * genattrtab.c (expand_units): Likewise.
2482 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2484 * i386.md (push mem DI peep2): New.
2485 (mov 0, mov -1 peep2): Handle 64bit.
2486 (lea to arithmetics peep2): Handle 64bit leas.
2487 (rsp arithmetics to push/pop peep2s): New.
2489 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2491 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2493 * i386.c (struct machine_function): Add save_varrargs_registers.
2494 (ix86_save_varrargs_registers): New macro.
2495 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2496 (ix86_expand_prologue): Likewise.
2497 (ix86_emit_epilogue_esp_adjustement): Likewise.
2498 (ix86_expand_epilogue): Likewise.
2499 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2500 (pro_epilogue_adjust_stack_1): New insn.
2501 (pro_epilogue_adjust_stack_rex64): Likewise.
2502 * i386.h (MASK_NO_RED_ZONE): New constant.
2503 (TARGET_RED_ZONE): New macro.
2504 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2505 (RED_ZONE_SIZE): New constant.
2506 (RED_ZONE_RESERVE): New constant.
2508 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2510 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2512 2001-03-25 Kazu Hirata <kazu@hxi.com>
2514 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2517 (umodhi3): Likewise.
2520 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2522 * mkconfig.sh (DEFINES): Handle entries with '='.
2524 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2525 Set xm_defines to MACRO=value instead.
2527 * i370/xm-mvs.h: Delete.
2529 * ns32k/xm-pc532-min.h: Likewise.
2531 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2533 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2535 use ix86_expand_binary_operator
2536 (?sh??i_?): Disable for 64bit.
2537 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2538 * i386.c (shiftdi_operand): New predicate.
2540 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2541 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2542 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2543 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2544 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2545 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2546 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2547 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2548 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2549 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2550 (rotldi3, rotrdi3): New expanders.
2552 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2554 * i386.md (movstrsi): Move offline.
2556 (strmovdi_rex64): New.
2557 (strmov?i): Accept 64bit.
2558 (strmov?i_rex64): New.
2559 (strmov?i_rex_1): New.
2560 (strmov?i_1): Disable for 64bit.
2561 (rep_mov?i_rex64): New.
2562 (rep_mov?i): Disable for 64bit.
2563 (clrstrsi): Move offline.
2564 (strset?i_rex64): New.
2565 (strset?i: Accept 64bit.
2566 (rep_stos?i): Disable for 64bit.
2567 (rep_stos?i_rex64): New.
2568 (strset?i_rex_1): New.
2569 (strset?i_1): Disable for 64bit.
2570 (cmpstrsi): Accept 64bit.
2571 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2572 (cmpstrqi_nz_rex_1): New.
2573 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2574 (strlensi): Move offline.
2576 (strlenqi_1): Disable for 64bit; fix constraints.
2577 (strlenqi_rex_1): New.
2578 * i386.c (ix86_adjust_counter): New static function.
2579 (ix86_zero_extend_to_Pmode): Likewise.
2580 (ix86_expand_aligntest): Likweise.
2581 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2582 (ix86_expand_movstr): New global function.
2583 (ix86_expand_clrstr): New global function.
2584 (ix86_expand_strlen): New global function.
2585 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2586 ix86_expand_strlen): Declare.
2587 (ix86_expand_strlensi_unroll_1): Delete.
2589 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2591 * i386.md (cmpdi): Fix operand predicates.
2592 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2593 cmpdi_1_insn_rex64): New patterns.
2594 (adddi3): Turn to expander.
2595 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2596 (addsi3_carry_zext): New pattern.
2597 (adddi_?_rex64): New patterns and splitters.
2598 (addsi_?_zext): New patterns.
2599 (subsi3_carry_zext): New pattern.
2600 (subdi_?_rex64): New patterns and splitters.
2601 (iorsi_?_zext): New patterns.
2602 (iordi_?_rex64): New patterns and splitters.
2603 (iorsi_?_zext): New patterns.
2604 (iorsi_?_zext_imm): New patterns.
2605 (xorsi_?_zext): New patterns.
2606 (xordi_?_rex64): New patterns and splitters.
2607 (xorsi_?_zext): New patterns.
2608 (negdi*): New patterns.
2609 (one_cmpldi*): Likewise.
2610 (one_cmplsi*_zext, negsi*_zext): Likewise.
2611 (testqi_ext_3_rex64): New pattern.
2613 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2615 * i386-protos.h (ix86_split_long_move): Return void.
2616 * i386.c (ix86_split_to_parts): Handle 64bit target.
2617 (ix86_split_long_move): Likewise.
2618 * i386.md (all calls to ix86_split_long_move): Update.
2620 2001-03-23 Richard Henderson <rth@redhat.com>
2622 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2623 to avoid shadowing arguments.
2625 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2627 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2628 to variable names where DECL_NAME is different from
2629 DECL_ASSEMBLER_NAME.
2631 2001-03-23 Jim Wilson <wilson@redhat.com>
2633 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2634 (assemble_alias): Call make_decl_rtl.
2636 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2638 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2640 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2642 * extend.texi: Document the "java_interface" attribute.
2644 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2646 * mkconfig.sh: Use a subshell with redirected stdout,
2647 instead of closing stdout and confusing commands that run
2648 afterward. Throw away output of cmp.
2650 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2652 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2654 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2656 * i386.md (zero_extendsidi2_32): Break out from ...
2657 (zero_extendsidi2): ... here ; turn to expander.
2658 (zero_extendsidi2_rex64): New.
2659 (extendsidi2_32): Break out from ...
2660 (extendsidi2): ... here ; turn to expander.
2661 (extendsidi2_rex64): New.
2662 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2663 (trunc?f?f splitters): Add 64bit versions.
2665 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2667 * i386.md (pushsi, pushsi2_prologue): Disable.
2668 (pushsi2_rex64): New.
2669 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2670 (movqi_ext_1): Disable for 64bit.
2671 (movqi_ext_1_rex64): New.
2672 (pushdi2_rex64): New pattern, peep2s and splitter.
2673 (pushdi2_prologue_rex64): New pattern.
2674 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2676 (movdi splitters): Disable for 64bit.
2677 (movdi_1_rex64): New pattern, peep2s and splitters.
2678 (swapdi): New pattern.
2679 (pushsf): Disable for 64bit.
2680 (pushsf_rex64): New pattern and splitter.
2681 (pushdf_nointeger): Disable for 64bit.
2682 (pushdf_integer): Handle the 64bit case.
2683 (pushtf): Likewise; update splitters.
2685 2001-03-22 Richard Henderson <rth@redhat.com>
2687 * mkconfig.sh: Include insn-flags.h.
2688 * Makefile.in (CONFIG_H): Include insn-flags.h.
2689 (lots of objects): Remove insn-codes.h and insn-flags.h.
2691 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2692 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2693 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2694 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2695 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2696 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2697 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2698 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2699 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2700 v850/v850.c, vax/vax.c:
2701 Don't include insn-flags.h.
2703 * diagnostic.c, expr.h, reload.c, toplev.c:
2704 Don't include insn-codes.h.
2706 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2707 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2708 c4x/c4x.c, i960/i960.c, mips/mips.c:
2709 Don't include insn-codes.h or insn-flags.h.
2711 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2712 or insn-flags.h in the generated code.
2713 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2714 (main): Forward declare struct rtx_def.
2716 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2718 * invoke.texi (-ffast-math): Remove duplicate line about
2721 * gcc.texi: Remove more obsolete documentation of bugs and
2722 installation problems.
2724 2001-03-21 Kazu Hirata <kazu@hxi.com>
2726 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2729 2001-03-20 Jason Merrill <jason@redhat.com>
2731 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2733 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2734 * varasm.c (CHKR_PREFIX): Likewise.
2736 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2738 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2739 is part of a multi-SET insn.
2741 * cse.c (find_comparison_args): Remove previous change.
2742 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2745 * config/i386/i386.md (conditional_trap): Remove warning.
2747 * recog.c (push_operand): Fix error in last change that caused
2748 undefined symbol on many targets.
2750 * sdbout.c: #include ggc.h.
2751 (sdbout_init): Move to end of file.
2752 Call ggc_add_tree_root for anonymous_types.
2753 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2754 (sdbout_one_type): Use DECL_NAME for field name.
2755 * Makefile.in (sdbout.o): Show includes ggc.h.
2757 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2759 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2760 (override_options): Use properlimits for preferred_stack_boundary.
2761 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2763 (ext_register_operand): Accept DImode.
2764 (load_pic_register): Abort on 64bit.
2765 (gen_push): Use Pmode instead of SImode.
2766 (ix86_save_reg): Pic reg is never used on 64bit.
2767 (ix86_expand_prologue): Likewise.
2768 (ix86_emit_save_regs): Use Pmode instead of SImode.
2769 (legitimate_address_p): Check displacement for 64bit.
2770 (print_operand): Avoid outputting of (%rip) on 64bit.
2771 (print_operand_address): Output (%rip) where possible.
2772 (split_di): Abort on 64bit registers.
2773 (ix86_expand_branch): DImode comparison is simple for x86_64.
2774 (memory_address_length): Recognize memory addresses formed using
2776 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2778 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2780 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2782 * recog.c (push_operand): Recognize new format of push instructions.
2784 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2786 * i386.md (pushqi1): New.
2787 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2788 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2789 x86_64_immediate_operand, x86_64_immediate_operand,
2790 x86_64_zext_immediate_operand): Declare.
2791 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2792 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2793 x86_64_immediate_operand, x86_64_immediate_operand,
2794 x86_64_zext_immediate_operand): define.
2795 * i386.h (PREDICATE_CODES): Add new predicates.
2797 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2799 * i386.md (pophi1, popqi1, pushqi1): Remove.
2801 * expr.c (emit_single_push_insn): New function.
2802 (move_by_pieces): Accept NULL as destination for push instructions.
2803 (gen_push_operand): Kill.
2804 (emit_push_insn): Pass NULL when pushing; avoid updating of
2805 stack_pointer_delta.
2806 * expr.h (gen_push_operand): Kill.
2808 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2810 * rtl.texi (COMPARE): Clarify documentation and reference section
2813 2001-03-20 Stan Shebs <shebs@apple.com>
2815 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2816 (get_object_reference): Ditto.
2817 (error_with_ivar): Use error_with_file_and_line.
2818 (warn_with_method): Use warning_with_file_and_line.
2820 2001-03-20 Tom Tromey <tromey@redhat.com>
2822 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2824 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2826 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2827 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2829 2001-03-20 DJ Delorie <dj@redhat.com>
2831 * Makefile.in (install-libgcc): Pass complete list of variables.
2832 (install-multilib): Ditto.
2834 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2836 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2837 drectve_section, switch_to_section.
2839 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2840 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2841 i386_pe_mark_dllimport.
2843 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2845 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2846 functions i386_pe_*.
2848 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2849 i386_pe_* functions with char * arguments.
2851 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2853 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2855 (movsi_ie): Introduce fpul store.
2857 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2859 * Makefile.in (OBJS): Remove hashtab.o.
2861 2001-03-19 Stan Shebs <shebs@apple.com>
2863 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2864 * c-lang.c (maybe_objc_method_name): Ditto.
2865 * c-tree.h (maybe_objc_method_name): Remove decl.
2867 2001-03-19 Tom Tromey <tromey@redhat.com>
2869 * gcc.c (init_gcc_specs): Fix comment.
2871 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2873 Compute DECL_ASSEMBLER_NAME lazily.
2874 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2875 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2876 (SET_DECL_ASSEMBLER_NAME): Likewise.
2877 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2878 (set_decl_assembler_name): Declare.
2879 (lang_set_decl_assembler_name): Likewise.
2880 * tree.c (lang_set_decl_assembler_name): New variab.e
2881 (set_decl_assembler_name): New function.
2882 (init_obstacks): Set lang_set_decl_assembler_name.
2883 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2884 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2885 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2886 where it's not necessary.
2887 (builtin_function): Likewise.
2888 (finish_decl): Likewise.
2889 * dbxout.c (dbxout_type_methods): Likewise.
2890 * ggc-common.c (ggc_mark_trees): Likewise.
2891 * profile.c (output_func_start_profiler): Likewise.
2892 * varasm.c (make_decl_rtl): Likewise.
2894 * cse.c (find_comparison_args): Update documentation. Fix
2895 mishandling of COMPARE operations.
2897 * tree.def (ABS_EXPR): Add documentation.
2898 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2900 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2902 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2904 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2906 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2907 Remove ia32 linux PIC kludge and move it...
2908 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2910 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2912 * i386.md (absdf2 expander): Fix 64bit case.
2914 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2916 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2918 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2920 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2922 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2924 * README.X11: Remove obsolete file.
2926 2001-03-18 Anthony Green <green@redhat.com>
2928 * config/pj/pj.h: Remove some trailing commas.
2929 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2931 2001-03-18 Richard Henderson <rth@redhat.com>
2933 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2934 * calls.c: ... here.
2935 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2936 defaults for them here.
2938 2001-03-17 Anthony Green <green@redhat.com>
2940 * config/pj/lib1funcs.S: Fix broken comment.
2941 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2944 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2946 * gcc.texi: Remove obsolete information relating to build and
2947 installation problems with enquire or the Pyramid C compiler.
2949 2001-03-17 Richard Henderson <rth@redhat.com>
2951 * dwarf2out.c (queue_reg_save): New.
2952 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2953 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2955 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2956 (cfa, cfa_store, cfa_temp): Make static.
2957 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2959 2001-03-17 Richard Henderson <rth@redhat.com>
2961 * integrate.h (struct inline_remap): Add local_return_label.
2962 * integrate.c (expand_inline_function): Initialize it and emit
2963 it after copy_insn_notes.
2964 (copy_insn_list): Don't store local_return_label here.
2965 (copy_insn_notes): New function split out from copy_insn_list.
2967 2001-03-17 Richard Henderson <rth@redhat.com>
2969 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2970 is generating .debug_line.
2971 (dwarf2out_init): Add main_input_filename to the file table first.
2972 * configure.in (as_dwarf2_debug_line): Test with file number 1
2973 instead of file number 0.
2975 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2977 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2978 (gen_rtx_combine): Deleted; all references changed as appropriate.
2979 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2981 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2983 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2985 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2988 2001-03-16 Jim Wilson <wilson@redhat.com>
2990 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2991 then set it to LOC_REG (79) instead of aborting.
2993 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2995 * gccbug.in: Remove high priority.
2997 2001-03-16 Richard Henerson <rth@redhat.com>
2999 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3000 output with a space instead of deleting it.
3001 * configure: Regenerate.
3003 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3005 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3006 handles the gory details of converting an object file into
3007 something that's safe to grep.
3008 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3009 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3010 newlines at either end of the string we're looking for.
3011 Make 'checking ...' message less stilted.
3012 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3013 ARM in-memory layout and its hypothetical converse. Don't
3014 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3015 HOST_WORDS_BIG_ENDIAN.
3017 * configure.in: Adjust for renamed macro. Move
3018 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3019 * configure, config.in: Regenerate.
3021 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3023 * fixinc/Makefile.in: Set SHELL.
3025 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3027 * fixinc/fixincl.c (fix_with_system): Quote file names before
3028 passing them to shell.
3030 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3032 * Makefile.in: Use fix-header$(build_exeext) instead
3035 2001-03-16 Richard Henderson <rth@redhat.com>
3037 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3038 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3039 (size_of_line_prolog): Remove.
3040 (output_line_info): Compute prologue size via label difference.
3041 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3043 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3044 assembler error when redefining file numbers.
3045 * config.in, configure: Rebuild.
3047 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3048 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3049 (dw2_asm_output_delta_uleb128): Likewise.
3050 (dw2_asm_output_delta_sleb128): Similarly.
3051 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3053 2001-03-16 Michael Meissner <meissner@redhat.com>
3055 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3057 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3059 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3061 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3062 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3063 being unsigned in ISO C and signed in traditional.
3064 (expand_prologue): Ditto.
3065 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3067 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3069 (divsi3,divdi3): Ditto.
3070 (modsi3,moddi3): Ditto.
3071 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3072 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3073 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3076 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3078 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3079 SSE based conditional moves on LTGT/UNEQ conditions;
3080 Canonicalize EQ to NE.
3081 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3082 (sse_mov?fcc_ne): New.
3084 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3086 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3088 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3089 register may be dead.
3091 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3093 * Makefile.in (hash.o): Depend on CONFIG_H.
3095 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3097 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3099 2001-03-15 Richard Henderson <rth@redhat.com>
3101 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3102 (ASM_OUTPUT_DWARF_PCREL): New.
3103 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3105 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3107 * cppfiles.c (stack_include_file): Use MAX of sysp.
3109 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3111 * config.gcc (ia64*-*-hpux*): New case.
3112 * config/ia64/hpux.h: New file for HP-UX support.
3113 * config/ia64/t-hpux: New file for HP-UX support.
3115 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3117 * fixinc/inclhack.def (irix_stdio_va_list): New.
3118 * fixinc/fixincl.x: Rebuilt.
3120 2001-03-15 Richard Henderson <rth@redhat.com>
3122 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3123 if provided by the target.
3124 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3125 (dw2_asm_output_addr): New.
3126 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3127 * dwarf2out.c (output_cfi): Use it for program addresses.
3128 (output_call_frame_info, output_die): Likewise.
3129 (output_aranges, output_line_info): Likewise.
3131 2001-03-15 Bruce Korb <bkorb@gnu.org>
3133 * gcc.c(main): make more rigorous
3134 * collect2.c(main): guard against ignoring SIGCHLD
3135 * protoize.c(main): ditto
3136 * gcc/fixinc/fixincl.c(initialize): ditto
3138 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3140 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3141 (sdbout_parms): Likewise.
3143 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3145 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3146 "widen" a destination that is already wider than a word. Also do
3147 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3149 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3151 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3153 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3155 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3157 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3159 * i960.h (i960_maxbitalignment,
3160 i960_last_maxbitalignment): Declare.
3161 * i960.c (i960_maxbitalignment,
3162 i960_last_maxbitalignment): Make global.
3163 (process_pragma): Delete.
3164 (i960_pr_align, i960_pr_noalign): Move from here ...
3165 * i960-c.c: ... to this new file.
3166 * t-960bare (i960-c.o): New rule.
3167 * t-vxworks960 (i960-c.o): Likewise.
3168 * config.gcc (i960-*-*): Define c_target_objs and
3171 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3173 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3174 without adding in rtx code and mode.
3176 * alias.c (init_alias_analysis): Don't use any rtx whose value
3177 varies as a known value.
3178 Delete a superfluous test.
3180 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3182 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3183 scheduling a stop bit.
3184 (ia64_emit_nops): Correctly handle ASMs.
3186 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3188 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3190 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3192 * cpp.texi: Update documentation for -include and -imacros.
3193 * cppfiles.c (struct include_file): Remove "defined" memeber.
3194 (find_or_create_entry): Make a copy of the file name, and
3196 (open_file): Update to ensure we use the simplified filename.
3197 (stack_include_file): Don't set search_from.
3198 (cpp_included): Don't simplify the path name here.
3199 (find_include_file): New prototype. Call search_from to
3200 get the start of the "" include chain. Don't simplify the
3202 (_cpp_execute_include): New prototype. Move diagnostics to
3203 do_include_common. Update.
3204 (_cpp_pop_file_buffer): Don't set defined.
3205 (search_from): New prototype. Use the preprocessor's cwd
3206 for files included from the command line.
3207 (read_name_map): Don't simplify the pathname here.
3208 * cpphash.h (enum include_type): New.
3209 (struct buffer): Delete search from. New search_cached.
3210 (_cpp_execute_include): Update prototype.
3211 * cppinit.c (do_includes): Use _cpp_execute_include.
3212 * cpplib.c (do_include_common): New function.
3213 (do_include, do_include_next, do_import): Use it.
3215 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3217 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3218 contents of the RTL, to determine the name of the object.
3220 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3222 * tree.h (DECL_RTL): Allocate RTL lazily.
3223 (SET_DECL_RTL): New macro.
3224 (DECL_RTL_SET_P): Likewise.
3225 (COPY_DECL_RTL): Likewise.
3226 (DECL_RTL_IF_SET): Likewise.
3227 * varasm.c (make_decl_rtl): Add assertions about the kind of
3228 declaration we are processing.
3229 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3230 (start_decl): Likewise.
3231 (finish_decl): Likewise.
3232 * c-semantics.c (emit_local_var): Likewise.
3233 * calls.c (expand_call): Likewise.
3234 * dbxout.c (dbxout_symbol): Likewise.
3235 * emit-rtl.c (unshare_all_rtl): Likewise.
3236 (unshare_all_decls): Likewise.
3237 (reset_used_decls): Likewise.
3238 * expr.c (store_constructor): Likewise.
3239 (safe_from_p): Likewise.
3240 (expand_expr): Likewise.
3241 * function.c (put_var_into_stack): Likewise.
3242 (instantiate_decls_1): Likewise.
3243 (assign_parms): Likewise.
3244 (expand_function_start): Likewise.
3245 (expand_function_end): Likewise.
3246 * ggc-common.c (gcc_mark_trees): Likewise.
3247 * integrate.c (function_cannot_inline_p): Likewise.
3248 (copy_decl_for_inlining): Likewise.
3249 (expand_inline_function): Likewise.
3250 (integrate_parm_decls): Likewise.
3251 (integrate_decl_tree): Likewise.
3252 * print-tree.c (print_node): Likewise.
3253 * reg-stack.c (stack_result): Likewise.
3254 * stmt.c (label_rtx): Likewise.
3255 (expand_return): Likewise.
3256 (expand_decl): Likewise.
3257 (expand_decl_cleanup): Likewise.
3258 (expand_anon_union_decl): Likewise.
3259 * toplev.c (check_global_declarations): Likewise.
3260 (rest_of_decl_compilation): Likewise.
3261 * tree.c (simple_cst_equal): Likewise.
3262 * objc/objc-act.c (generate_static_references): Likewise.
3264 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3266 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3267 gcc_AC_C_FLOAT_FORMAT): New macros.
3268 * configure.in: Add AC_PROG_CPP after CC tests;
3269 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3270 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3271 * configure, config.in: Regenerate.
3273 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3274 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3275 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3276 config/i370/xm-linux.h, config/i370/xm-oe.h,
3277 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3278 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3279 config/pa/xm-linux.h, config/pa/xm-pa.h,
3280 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3281 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3282 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3283 config/we32k/xm-we32k.h: Delete.
3285 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3286 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3287 config/vax/xm-vms.h: Don't define any of:
3288 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3290 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3292 * config.gcc: Remove references to deleted files.
3293 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3294 FATAL_EXIT_CODE, which is the same between oe and mvs).
3296 2001-03-14 DJ Delorie <dj@redhat.com>
3297 Vladimir Makarov <vmakarov@redhat.com>
3299 * config/i960/i960.c (i960_function_prologue): Compute size of
3300 frame according to number of registers actually saved there.
3302 2001-03-14 Richard Henderson <rth@redhat.com>
3304 * expr.c (emit_move_insn_1): Fix else if around #endif.
3306 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3309 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3312 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3314 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3315 (override_options): Parse cmodel string.
3316 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3317 * i386.h (TARGET_OPTIONS): Add "cmodel".
3318 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3320 (ix86_cmodel_string, ix86_cmodel): Declare.
3322 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3325 * i386.h (GENERAL_REG_P): Add missing REG_P.
3327 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3329 * configure.in: Use $gcc_cv_as instead of $as.
3330 * configure: Regenerated.
3332 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3334 * cppfiles.c (stack_include_file): Only increase the include
3335 count if we actually process the file properly, as opposed
3336 to treating it as length zero. Only call read_include_file
3337 if not DO_NOT_REREAD. Handle the -H include file output
3339 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3340 (cpp_included, find_include_file): Simplify pathnames after
3341 remapping them. If remapping, don't use the remapped file
3342 name's buffer as our scratch buffer.
3343 (cpp_pop_file_buffer): Replace the multiple include macro
3344 only if it isn't yet set.
3345 (read_name_map): Simplify remapped names when reading in.
3346 (remap_filename): Move code to code path that uses it.
3347 (_cpp_simplify_pathname): Return the input pointer.
3348 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3350 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3352 * expr.c (expand_expr): Revove bogus conditional.
3354 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3356 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3358 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3360 * reg-stack.c (stack_result): Unconditionally use
3361 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3363 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3365 * expr.c (emit_move_insn_1): Split push of complex value when
3366 no suitable push instruction exist.
3368 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3369 instead of QI_REG_P.
3371 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3373 * alias.c (handled_component_p, can_address_p): New functions.
3374 (get_alias_set): Use them.
3376 2001-03-13 Jim Wilson <wilson@redhat.com>
3378 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3379 from 80 in try_locals code.
3380 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3382 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3384 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3385 gcc_AC_C_LONG_LONG): New.
3386 * configure.in: Use them. Probe the size of short, int, long,
3387 and long long/__int64 if we have them. Move all the AC_C_*
3388 checks together, except gcc_AC_C_CHAR_BIT which has to go
3389 after AC_CHECK_HEADERS(limits.h).
3390 Take hwint.h out of host_xm_file and build_xm_file.
3392 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3393 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3394 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3395 Move the HOST_WIDEST_INT setup logic here from system.h.
3396 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3398 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3399 is now handled by hwint.h.
3401 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3402 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3403 config/ia64/xm-ia64.h: Don't define any of:
3404 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3405 HOST_BITS_PER_LONGLONG.
3407 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3408 config/h8300/xm-h8300.h, config/mips/iris6.h,
3409 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3410 config/sparc/xm-sp64.h: Delete.
3411 * config.gcc: Remove references to deleted files.
3413 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3414 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3415 * config/i370/xm-linux.h: Clarify floating-point situation in
3418 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3420 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3421 (find_include_file): Decide here which part of the include
3422 chain to start the search. Complain about an empty include
3423 chain in all cases apart from an abolsute file name.
3424 (_cpp_execute_include): Don't choose the search chain here.
3425 Don't call handle_missing_include in the case of an empty
3427 (_cpp_compare_file_date): Don't choose the search chain here.
3428 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3429 here from _cpp_execute_include. Behave like #include if
3430 we're in the main file.
3432 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3434 * system.h (malloc, realloc, calloc, strdup): Only poison these
3435 tokens when IN_GCC is defined.
3437 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3439 * i386.md (abs?f expander): Support SSE case.
3440 (abd?f_if): Add new "USE"; add splitters.
3442 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3444 * cpp.texi (poison): Explain the macro expansion exception.
3446 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3448 * expr.c (store_expr): Add dont_store_target. If temp is already in
3449 target before copying to reg, don't store it into target again.
3451 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3453 * cppinternals.texi: Update for file handling.
3455 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3457 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3458 2001-02-24 which broke building the Java library.
3459 * function.c (identify_blocks): Likewise.
3460 (all_blocks): Likewise.
3461 * integrate.c (integrate_decl_tree): Likewise.
3462 * print-tree.c (print_node): Likewise.
3463 * tree.h (BLOCK_NUMBER): Likewise.
3464 (struct tree_block): Likewise.
3466 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3468 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3469 __WCHAR_TYPE__ definition.
3470 (WCHAR_TYPE_SIZE): #undef before #define.
3472 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3474 * cppfiles.c: Update comments.
3475 (destroy_include_file_node): Rename destroy_node.
3476 (find_or_create_entry): New function.
3477 (open_file, _cpp_fake_include): Use it.
3478 (handle_missing_header): New function, broken out of
3479 _cpp_execute include. Don't segfault if there is no
3480 system or quoted path.
3481 (_cpp_execute_include): Use handle_missing_header.
3483 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3485 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3486 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3488 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3490 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3491 unless anti_dependence says they are.
3492 * alias.c (objects_must_conflict): If neither has a type specified,
3495 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3496 David Billinghurst <David.Billinghurst@riotinto.com>
3498 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3500 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3502 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3503 (*_one_bit): Remove type on the match_operand in attributes.
3505 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3507 * i386.c: Commit forgotten hunk in previous patch.
3508 (regclass_map): Add extended registers.
3509 (dbx_register_map): Add missing frame register.
3511 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3513 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3515 * i386.md (x86_sahf_1): Disable for 64bit.
3516 (popsi*, pophi*): Likewise.
3517 (pushqi, pushhi): Likewise.
3518 (movdi, pushdi): Likewise.
3519 (zero extend DImode splitter): Likewise.
3520 (adddi, minusdi splitter): Likewise.
3521 (umulsidi): Likewise.
3523 (mulsidi): Disable for 64bit
3524 (lshift:DI/ashift:DI): Disable for 64bit.
3525 (loop patterns): Likewise.
3526 (call_pop, call_value_pop expanders and patterns): Likewise.
3527 (prologue_get_pc): Likewise.
3529 (fcmovDI pattern and splitter): Likewise.
3530 (movdfcc_1_rex64): New.
3532 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3534 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3535 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3536 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3537 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3538 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3539 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3540 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3541 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3542 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3543 (REGPARM_MAX): Set to 6 for x86_64.
3544 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3545 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3548 * (patterns that does use upper halves): Update constraints
3549 'q' to 'Q' and 'r' to 'R'.
3550 (cmpqi_ext_1): Disable for 64bit.
3551 (cmpqi_ext_3_insn): Likewise.
3552 (movqi_extzv_1): Likewsie.
3553 (addqi_ext_1): Liekwsie
3554 (testqi_ext_1): Liekwsie
3555 (andqi_ext_1): Liekwsie
3556 (xorqi_ext_1): Liekwsie
3557 (cmpqi_ext_1_rex64): New.
3558 (cmpqi_ext_3_insn_rex64): Likewise.
3559 (movqi_extzv_1_rex64): Likewsie.
3560 (addqi_ext_1_rex64): Liekwsie
3561 (testqi_ext_1_rex64): Liekwsie
3562 (andqi_ext_1_rex64): Liekwsie
3563 (xorqi_ext_1_rex64): Liekwsie
3565 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3567 * configure.in: Move check for unsigned enumerated bitfields
3568 to macro in aclocal.m4. Disable it for now.
3569 * configure, config.in: Regenerate.
3570 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3571 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3572 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3573 kind above its first use.
3575 * config/xm-interix.h, config/alpha/xm-alpha.h,
3576 config/i370/xm-linux.h, config/i386/xm-beos.h,
3577 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3578 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3579 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3580 Don't define ONLY_INT_FIELDS under any circumstances.
3582 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3584 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3585 config/sparc/xm-sysv4.h: Delete - now identical with some
3587 * config.gcc (hppa targets): Replace xm-pahpux.h and
3588 xm-papro.h with implicit xm-pa.h.
3589 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3592 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3594 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3595 before reload_cse_noop_set_p.
3597 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3599 * config.gcc: Where xm-host.h used to include another
3600 xm-host.h, list the nested header directly in xm_file. Remove
3601 references to deleted files. Can now use sparc/xm-sp64.h for
3604 * config/xm-linux.h, config/arm/xm-linux.h,
3605 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3606 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3607 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3608 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3609 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3612 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3613 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3614 bother to wrap #undef in #ifdef.
3615 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3616 Don't include xm-linux.h.
3617 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3619 * configure.in: Wrap regexps using [] in changequote block.
3620 Use expr : not echo | grep. Simplify regexps.
3621 * configure: Regenerate.
3623 56 xm-files remain, 22 xm-arch.
3625 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3627 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3628 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3629 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3630 (copy_object): Fix format specifier vs argument mismatch.
3632 * mips-tdump.c: Make local functions static.
3633 (rindex): Don't #undef.
3634 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3635 (fatal, fancy_abort): Delete.
3636 (read_seek): Avoid signed/unsigned compare.
3638 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3640 * combine.c (try_combine): Fix error in change to try original
3642 (gen_rtx_combine): Do same as gen_rtx for now.
3644 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3646 * configure.in: AC_SUBST xm_defines.
3647 * configure: Regenerate.
3648 * Makefile.in: Set DEFINES=$(xm_defines) when building
3651 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3653 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3654 (cpp_included, find_include_file): Update.
3655 (_cpp_compare_file_date): Make else unconditional.
3657 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3659 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3661 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3663 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3664 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3666 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3668 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3669 if it's a record type.
3671 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3673 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3674 mingw includes slightly.
3676 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3678 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3679 #undef token before poisoning it.
3681 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3683 * alpha.c (check_float_value): Use memcpy, not bcopy.
3685 * m32r.c (m32r_sched_reorder): Likewise.
3687 * vax.c (check_float_value): Likewise.
3689 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3691 * toplev.c (file_name_nondirectory): Remove.
3692 * toplev.h: Similarly.
3693 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3694 of file_name_nondirectory.
3696 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3698 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3699 * mips-tfile.c: Don't #undef rindex; not used.
3701 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3703 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3704 (dbx64_register_map): Declare.
3705 (RETURN_ADDR_RTX): Fix for 64bit.
3706 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3707 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3708 * i386.c (dbx64_register_map): New global array.
3709 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3710 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3713 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3715 * cppfiles.c (search_from): Use lbasename.
3716 * mkdeps.c (deps_add_default_target): Use lbasename.
3718 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3720 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3721 xcalloc in lieu of malloc, realloc & calloc.
3723 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3725 * gengenrtl.c (xmalloc): Likewise.
3727 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3728 really_call_* memory allocation routines.
3730 * stmt.c (check_for_full_enumeration_handling): Use
3731 really_call_calloc, not calloc.
3733 * system.h (really_call_malloc, really_call_calloc,
3734 really_call_realloc): Define.
3735 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3737 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3739 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3741 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3743 * configure: Rebuilt.
3744 * configure.in: Only use `lang_requires' for languages athat are
3747 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3749 * invoke.texi: Fix typo.
3750 * gcc.1: Regenerate.
3752 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3754 * configure.in: Prune nonexistent files from build_xm_file,
3755 xm_file, and host_xm_file lists. Warn unless they're
3757 Don't generate *config.h here.
3758 AC_SUBST all variables needed to generate *config.h.
3759 * configure: Regenerate.
3760 * mkconfig.sh: New helper script, from code removed from
3762 * Makefile.in: Zap all MALLOC variables - no longer used
3763 anywhere, and malloc.c doesn't exist.
3764 Substitute in variables needed to generate *config.h.
3765 Stop lying about the dependencies contained in CONFIG_H and
3767 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3768 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3769 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3770 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3771 $(TM_P_H), etc. as appropriate.
3773 * config.gcc: Zap references to deleted files.
3774 * ggc-none.c: Don't include rtl.h or tm_p.h.
3776 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3777 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3778 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3779 config/i386/xm-linux.h, config/i386/xm-linux.h,
3780 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3781 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3782 Don't include i386/xm-i386.h.
3784 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3785 config/i386/xm-i386.h, config/i860/xm-i860.h,
3786 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3787 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3788 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3789 Delete (empty except comments, #includes of other deleted
3790 files, and macros used nowhere).
3792 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3794 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3795 independent on TARGET_FLAGS.
3797 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3799 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3801 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3803 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3805 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3806 LAST_REX_SSE_REG): define.
3807 (enum reg_class): Add 'LEGACY_REGS'
3808 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3809 (SSE_REGNO_P): Recognize extended registers.
3810 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3811 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3812 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3813 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3814 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3815 REG_OK_FOR_STRREG_P): Remove.
3816 (HI_REGISTER_NAMES): Add extended registers.
3817 (ADDITIONAL_REGISTER_NAMES): Likewise.
3818 (QI_REGISTER_NAMES): Add 8bit extended registers.
3819 (DEBUG_REG): Support extended registers.
3820 * i386.c (regclass_map): Add extended registers.
3821 (dbx_register-map): Likewise.
3822 (svr4_dbx_register_map): Likewise.
3823 (print_reg): Support extended registers.
3824 (print_operand): Support 64bit operands.
3826 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3828 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3829 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3830 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3831 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3832 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3833 STACK_BOUNDARY): Set properly for 64bits.
3834 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3835 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3836 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3837 (MOVE_MAX): Set to 16.
3838 (MOVE_MAX_PIECES): 8 for 64bit.
3839 (Pmode): Set to SImode.
3841 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3843 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3845 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3847 * i386.h (mask_64bit): New constant.
3848 (target_64bit): New macro.
3849 (target_options): Add '64'/'32'
3850 (target_default): Define.
3851 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3852 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3853 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3855 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3857 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3859 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3861 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3862 LO_SUM unless for_alias is set.
3864 2001-03-08 Stan Shebs <shebs@apple.com>
3866 * objc/objc-act.c: Fix old typos in comments, add comments for
3868 (hash_init): Fix file name in error message.
3869 (hash_enter): Ditto.
3870 (hash_add_attr): Ditto.
3871 (continue_class): Ditto.
3873 2001-03-08 Bruce Korb <bkorb@gnu.org>
3875 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3876 wait4() can receive the signal.
3878 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3880 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3882 * fixinc/fixincl.x: Regenerate.
3884 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3886 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3888 * fixinc/fixincl.x: Regenerate.
3890 2001-03-08 Richard Henderson <rth@redhat.com>
3892 * configure.in (HAVE_AS_LEB128): New assembler check.
3893 * configure, config.in: Rebuilt.
3895 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3897 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3900 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3902 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3903 references to the MAXPATHLEN macro.
3905 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3906 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3909 * config/i386/xm-gnu.h, config/xm-gnu.h,
3910 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3911 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3912 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3913 and/or unused files.
3915 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3916 doing so in various xm-*.h files.
3918 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3920 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3922 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3924 * configure.in (enable_shared): Support per-package shared-library
3926 * configure: Rebuilt.
3928 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3930 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3931 for crnot. Set operands[5] in splitter.
3933 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3935 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3936 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3937 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3938 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3939 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3940 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3941 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3944 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3945 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3946 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3947 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3948 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3949 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3950 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3951 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3952 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3953 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3954 Delete unused and/or empty files.
3956 * config.gcc: Define USG in xm_defines as appropriate. Define
3957 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3958 macro. Remove deleted xm-* files from $xm_files variable.
3960 2001-03-07 Tom Tromey <tromey@redhat.com>
3962 * configure: Rebuilt.
3963 * configure.in: Allow config-lang.in to set `lang_requires' to list
3964 of other required languages.
3966 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3968 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3970 (output_prologue): Use xmalloc not oballoc.
3971 (output_epilog): Free a29k_first_epilogue_insn when finished.
3972 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3974 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3976 * builtins.c (expand_builtin_mathfn): Check
3977 flag_unsafe_math_optimizations, not flag_fast_math.
3978 (expand_builtin): Likewise
3979 * combine.c (combine_simplify_rtx): Likewise.
3980 (simplify_if_then_else): Likewise.
3981 * cse.c (fold_rtx): Likewise.
3982 * flags.h: Remove flag_fast_math. Add
3983 flag_unsafe_math_optimizations and flag_trapping_math.
3984 * fold-const.c (negate_expr): Check
3985 flag_unsafe_math_optimizations, not flag_fast_math.
3986 (invert_truthvalue): Likewise.
3987 (fold): Likewise. Before associating operands, check that
3988 code == MULT_EXPR, not code != MULT_EXPR.
3989 * ifcvt.c (noce_try_minmax): Check
3990 flag_unsafe_math_optimizations, not flag_fast_math.
3991 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3992 * invoke.texi: Document -funsafe-math-optimizations and
3993 -fno-trapping-math. Change documentation for -ffast-math.
3994 * jump.c (reversed_comparison_code_parts): Likewise.
3995 (rtx_equal_for_thread_p): Likewise.
3996 * optabs.c (emit_conditional_move): Likewise.
3997 * simplify-rtx.c (simplify_binary_operation): Likewise.
3998 (simplify_relational_operation): Likewise.
3999 (simplify_ternary_operation): Likewise.
4000 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4001 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4002 Add trapping-math and unsafe-math-optimizations entries to f_options.
4003 (set_fast_math_flags): New, sets flags for -ffast-math.
4004 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4005 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4006 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4008 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4009 (alpha_emit_conditional_move): Initialize local_fast_math to
4010 flag_unsafe_math_optimizations, not flat_fast_math.
4011 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4012 instead of setting flag_fast_math to 1.
4013 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4015 * config/i386/i386.c (override_options): Likewise
4016 * config/i386/i386.md: Likewise.
4017 * config/m68k/m68k.md: Likewise.
4018 * config/mips/mips.md: Likewise.
4019 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4020 (rs6000_generate_compare): Likewise.
4022 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4024 * Makefile.in: Set RANLIB to @RANLIB@.
4027 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4029 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4030 * fixinc/fixincl.x: Regenerated.
4032 2001-03-07 Richard Henderson <rth@redhat.com>
4034 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4036 2001-03-07 Richard Henderson <rth@redhat.com>
4038 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4039 of block notes and exception handling notes.
4041 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4042 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4043 (compile_file): ... here.
4045 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4047 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4049 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4050 config.h now. Include libiberty.h to handle alloca.
4052 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4054 * c-parse.in (yylexname): New function, split out of _yylex.
4055 (objc_rid_sans_at): New table.
4056 (init_reswords): Initialize it.
4057 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4058 retrieving the next token and checking it for significance as
4059 an ObjC keyword or string constant.
4061 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4062 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4064 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4067 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4069 * config/m68k/m68k.c (const_uint32_operand): Accept any
4070 const_int on a 32-bit host.
4072 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4074 * objc/objc-act.c (init_objc): Set save_lang_status,
4075 restore_lang_status, and mark_lang_status.
4077 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4079 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4081 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4083 * cppinternals.texi: Update.
4085 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4087 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4088 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4089 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4090 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4091 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4092 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4093 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4094 config/i386/xm-i386.h, config/i860/xm-i860.h,
4095 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4096 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4097 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4098 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4099 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4100 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4101 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4102 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4103 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4104 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4105 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4106 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4107 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4108 match the defaults provided in hwint.h.
4110 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4111 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4113 * config.gcc (xm_file): Don't set to files which are deleted.
4115 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4116 guard this file against these macros being undefined.
4118 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4120 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4121 and DECL_DEFER_OUTPUT on the decl we create, before calling
4122 rest_of_decl_compilation.
4124 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4126 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4128 * configure, config.in: Regenerate.
4129 * config.gcc: Remove references to deleted files.
4131 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4132 genrecog.c, rtl.c: Do not use alloca anywhere.
4134 * Makefile.in, build-make, system.h, config/x-interix,
4135 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4136 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4137 config/arc/xm-arc.h, config/arm/xm-arm.h,
4138 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4139 config/h8300/xm-h8300.h, config/i370/x-oe,
4140 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4141 config/i386/x-ncr3000, config/i386/x-sco5,
4142 config/i386/xm-dgux.h, config/i860/x-sysv4,
4143 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4144 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4145 config/m68k/x-hp320g, config/m69k/x-mot3300,
4146 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4147 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4148 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4149 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4150 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4151 config/mips/x-iris, config/mips/x-iris3,
4152 config/mips/x-sni-svr4, config/mips/x-sysv,
4153 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4154 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4155 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4156 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4157 config/pa/xm-papro.h, config/romp/xm-romp.h,
4158 config/rs6000/x-aix31, config/rs6000/x-aix41,
4159 config/rs6000/x-beos, config/rs6000/x-lynx,
4160 config/rs6000/x-mach, config/rs6000/x-rs6000,
4161 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4162 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4163 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4164 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4165 config/vax/xm-vms.h: Eradicate all references to alloca and
4168 * config/xm-alloca.h, config/clipper/x-clix,
4169 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4170 config/i860/x-sysv3, config/m88k/x-sysv3,
4171 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4172 (contained only alloca related hacks).
4174 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4177 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4179 * invoke.texi: Document __FAST_MATH__.
4181 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4183 * crtstuff.c: Restore include of auto-host.h.
4185 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4187 Put main() in a separate file, so that the language
4188 front-end can use a different main().
4191 * toplev.c: (main): Rename as toplev_main.
4192 * toplev.h: Declare toplev_main.
4193 * Makefile.in (OBJS): add toplev.o.
4194 (BACKEND): remove toplev.o, add main.o.
4196 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4198 * cppfiles.c (search_from): Special case the empty string.
4200 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4202 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4203 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4204 strlen or strcpy; we already know the length.
4205 (_cpp_compare_file_date): Similarly.
4206 * cpphash.h (struct cpp_reader): Delete done_initialising.
4207 (CPP_PREV_BUFFER): Delete.
4208 * cppinit.c (cpp_start_read): Don't set done_initialising.
4209 * cpplex.c (parse_string): Guarantee null-termination.
4210 (_cpp_equiv_toklists): Remove.
4211 * cpplib.c (glue_header_name): Null-terminate.
4212 (do_line): Don't leak memory.
4213 * cpplib.h (BT_WEAK): Delete.
4214 * cppmain.c (cb_ident): Strings are now null-terminated.
4216 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4218 * gcc.c (convert_filename): Append executable suffix
4219 if NO_AUTO_EXE_SUFFIX is not defined.
4220 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4221 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4223 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4225 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4226 * c-parse.gperf, c-gperf.h: Delete.
4227 (c-gperf.h was accidently re-added to the CVS repo in the rev
4228 1.16 commit by tromey)
4230 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4232 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4233 macro arguments when looking for the '('.
4234 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4235 2 when really parsing arguments; 1 when looking for '('.
4236 Always restore the lexer position.
4238 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4240 * longlong.h (umul_ppmm): Don't use a multiline string.
4242 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4244 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4245 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4246 t_bool in declaration because pcc can't combine volatile with typedef
4249 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4251 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4252 until when it is really needed.
4253 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4254 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4255 * i386.md (float?i?f splitter): Don't force source operand to memory
4257 (sse_movdfcc): Fix constraint.
4258 (sse_movdfcc splitter): Handle properly the second alternative.
4260 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4262 * cpplex.c (parse_string): Unconditionally pedwarn.
4264 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4267 * cppexp.c (parse_number): Update.
4268 * cpplex.c (parse_string): Pedwarn if multiline string does not
4269 result from a system header's macro.
4270 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4271 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4272 for function-like macros too.
4273 * c-lex.c (lex_number): Update.
4275 2001-03-03 Richard Henderson <rth@redhat.com>
4277 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4279 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4281 * combine.c (try_combine): If split with mode-changed scratch
4282 register didn't work, try the original mode.
4284 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4286 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4287 * config/c4x/c4x.h: Likewise.
4288 * stor-layout.c (compute_record_mode): Likewise.
4289 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4291 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4293 * configure.in: Kill tm.h. Include the files in the $tm_file
4294 list in all three of config.h, hconfig.h, tconfig.h, after the
4295 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4296 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4297 * configure: Regenerate.
4298 * Makefile.in (clean): Don't delete tm.h.
4300 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4301 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4302 those are not defined, set SEC and FEC to 0 and 1.
4303 * gcc.texi: Update to match.
4305 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4306 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4307 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4308 Include tconfig.h, not tm.h.
4310 * config/xm-lynx.h, config/xm-std32.h,
4311 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4312 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4313 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4314 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4315 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4316 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4317 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4318 config/i386/xm-i386.h, config/i860/xm-i860.h,
4319 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4320 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4321 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4322 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4323 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4324 config/pa/xm-linux.h, config/pa/xm-pa.h,
4325 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4326 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4327 config/pj/xm-pj.h, config/romp/xm-romp.h,
4328 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4329 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4330 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4331 config/v850/xm-v850.h, config/vax/xm-vax.h,
4332 config/we32k/xm-we32k.h:
4334 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4336 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4337 config/i370/xm-oe.h: Don't include tm.h. Don't define
4339 * config/vax/xm-vms.h: Don't include tm.h.
4341 * config/xm-lynx.h, config/avr/xm-avr.h,
4342 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4343 Delete; made empty by above changes.
4344 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4345 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4346 Don't include config/xm-lynx.h or tm.h.
4348 * config/xm-gnu.h: Don't include fcntl.h.
4349 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4351 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4353 2001-03-02 Richard Henderson <rth@redhat.com>
4355 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4356 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4358 2001-03-02 Richard Henderson <rth@redhat.com>
4360 * Makefile.in (OBJS): Add dwarf2asm.o.
4361 * dwarf2asm.c, dwarf2asm.h: New files.
4362 * dwarf2out.c (*): Use them.
4363 (size_of_uleb128, size_of_sleb128): Remove.
4364 (output_uleb128, output_sleb128): Remove.
4365 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4366 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4367 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4368 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4369 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4370 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4371 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4372 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4373 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4374 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4375 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4376 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4377 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4378 (dwarf2out_frame_debug): Remove unused variables.
4379 (output_loc_operands): Don't abort on 8 byte constants if
4380 host integers are wide enough.
4381 (output_symbolic_ref): Remove.
4382 (size_of_die): Don't assume 4 byte host integers.
4383 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4385 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4386 something stupid with HOST_WIDE_INT to long truncation.
4387 [CONST_DOUBLE]: Likewise.
4389 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4390 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4391 * config/arm/unknown-elf.h: Likewise.
4392 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4393 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4394 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4395 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4396 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4397 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4398 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4399 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4400 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4401 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4402 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4403 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4405 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4407 * cselib.c (hash_rtx): Cast enums to unsigned int.
4409 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4411 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4412 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4414 * c-format.c (C_STD_VER): Cast to int for comparisons.
4415 (check_function_format): Cast various enums to int for &.
4416 (maybe_read_dollar_number): Likewise.
4417 (check_format_info): Likewise.
4418 (check_format_info_main): Likewise.
4419 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4420 (safe_from_p): Likewise.
4421 * varasm.c (const_hash): Cast enum to int for %.
4422 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4423 pcc enum problems with < and ++ operators.
4424 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4425 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4426 (regclass_init): Change enum class to int to iterate over reg_classes.
4427 * genrecog.c (merge_trees): Cast enums for comparison.
4428 * rtl.h (GET_CODE): Cast to enum rtx_code.
4429 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4430 (GET_MODE): Cast to enum machine_mode.
4431 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4432 (GET_NOTE_INSN_NAME): Cast enum to int.
4433 * tree.h (TREE_CODE): Cast to enum tree_code.
4434 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4435 * timevar.c (timevar_print): Change loop variable id from enum to
4437 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4438 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4439 * toplev.c (compile_file): Cast enum DFI to int.
4440 (decode_d_option): Likewise.
4442 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4444 * cppinit.c (append_include_chain): Mark "after" include file name list
4445 as a system directory.
4446 * cpp.texi: Document new behavior.
4448 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4450 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4452 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4454 * cppfiles.c (struct include_file): Update.
4455 (stack_include_file): Use search_from.
4456 (cpp_included, find_include_file): Update.
4457 (cpp_execute_include): Update. ptr->name may not be
4458 null terminated. Use the new search_from member variable
4460 (_cpp_compare_file_date): Similarly.
4461 (search_from): New function, similiar to actual_directory.
4462 (actual_directory): Delete.
4463 (remap_filename): Update. loc->name may not be null terminated.
4464 (struct file_name_list): Rename search_path. Update.
4465 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4466 search_from and dir.
4467 (struct cpp_reader): Remove actual_dirs.
4468 * cppinit.c (struct cpp_pending): Update for renamed objects.
4469 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4470 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4471 * cpplib.h (struct cpp_options): Similarly.
4473 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4475 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4476 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4477 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4478 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4479 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4480 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4481 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4482 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4483 config/i370/xm-oe.h, config/i386/xm-aix.h,
4484 config/i386/xm-i386.h, config/i386/xm-osf.h,
4485 config/i860/xm-i860.h, config/i960/xm-i960.h,
4486 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4487 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4488 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4489 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4490 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4491 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4492 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4493 config/pj/xm-pj.h, config/romp/xm-romp.h,
4494 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4495 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4496 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4497 config/v850/xm-v850.h, config/vax/xm-vax.h,
4498 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4499 Do not define TRUE or FALSE.
4501 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4502 empty by above change.
4503 * config.gcc: Remove references to these files.
4505 * configure.in: Detect stdbool.h.
4506 * configure, config.in: Regenerate.
4507 * system.h: Include stddef.h here if available.
4508 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4509 Then set up a sensible boolean type at the very end.
4511 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4512 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4514 * hash.h: Delete 'boolean' typedef and related #undefs.
4516 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4517 all uses of 'boolean' with 'bool'.
4519 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4521 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4522 * cppexp.c (lex): Cast enums for comparison.
4523 * cppinit.c (parse_option): Cast enum for comparison.
4524 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4525 (cpp_output_token): Likewise.
4526 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4527 (cpp_avoid_paste): Cast enums for minus and comparison.
4529 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4531 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4532 field to all array elements.
4534 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4536 * cpphash.h (struct cpp_reader): Add print_version field.
4537 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4538 just set print_version and other flags as appropriate.
4539 (cpp_post_options): Print version here if print_version is set.
4541 * toplev.c (exit_after_options): New flag.
4542 (independent_decode_option): Don't exit here; just set
4544 (main): Exit after calling lang_hooks.post_options if
4545 exit_after_options is true.
4547 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4548 (merge_include_chains): Adjust comment to match code.
4550 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4552 * stringpool.c (set_identifier): New function.
4553 * tree.h: Prototype it.
4555 * c-parse.in: Kill D_YES. If compiled for objc, call
4556 save_and_forget_protocol_qualifiers from init_reswords.
4557 * objc/objc-act.c (remember_protocol_qualifiers,
4558 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4559 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4561 (save_and_forget_protocol_qualifiers): New function.
4562 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4564 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4566 * c-semantics.c (prune_unused_decls): Return error_mark_node
4567 instead of (tree) 1 to stop traversing the tree chain.
4569 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4571 Fix a problem introduced by Kenner's Feb 18 change.
4572 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4573 flag_cse_skip_blocks only temporarily, not for ever.
4575 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4577 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4578 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4580 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4581 before determining its register class.
4583 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4585 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4586 from reg 4 if current_function_calls_setjmp.
4587 (gen_nop_type): New function.
4588 (ia64_emit_nops): New function.
4589 (ia64_reorg): Call it.
4590 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4592 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4593 code not to try to optimize adds with anything but a REG destination.
4595 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4596 (INSN_PRIORITY_KNOWN): New accessor macro.
4597 * haifa-sched.c (priority): Use it instead of testing priority against
4600 2001-02-28 DJ Delorie <dj@redhat.com>
4602 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4603 since that doesn't work the way gcc wants on a generic m68k.
4605 2001-02-28 Richard Henderson <rth@redhat.com>
4607 * caller-save.c (save_call_clobbered_regs): Fix typo in
4608 comparison last change.
4610 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4612 * i386.c (pentium4_cost): New.
4613 (m_PENT4): New macro.
4614 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4615 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4616 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4617 x86_memory_mismatch_stall): Add Pentium4
4618 (x86_use_q_reg, x86_use_any_reg): Kill.
4619 (override_options): Add pentium4.
4620 (incdec_operand): Return 0 for pentium4.
4621 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4622 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4623 (TARGET_PENTIUM4): Define.
4624 (enum processor_type): Add PROCESSOR_PENTIUM4.
4625 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4626 * i386.md (attribute "cpu"): Add pentium4.
4627 * invoke.texi (march): Add pentium4.
4629 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4631 * i386.md (sse_mov?fcc*): New patterns and splitters.
4632 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4633 the SSE based conditional moves.
4635 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4637 * i386.md (attribute mode): Add "TI".
4638 (movsf_1): Add pxor support; remove constant propagation splitter.
4639 (movdf_integer): Likewise.
4640 (movdf_nointeger): Likewise.
4641 (movxf constant prop splitter): Handle all modes; update for SSE.
4642 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4643 * i386.c (standard_80387_constant_p): Rewrite.
4644 (standard_sse_constant_p): New.
4645 * i386-protos.h (standard_sse_constant_p): New.
4647 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4649 * i386.md (sse_setccsf, sse_setccdf): New.
4650 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4652 * i386.c (sse_comparison_operator): Accept the supported unordered
4653 comparses; be ready for fast_math.
4654 (print_operand): Support 'D'.
4656 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4658 * jump.c (reversed_comparison_code): Kill.
4660 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4662 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4665 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4667 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4668 add missing '%' in constraints.
4670 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4672 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4673 for HOST_BITS_PER_WIDE_INT == 32 too.
4675 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4677 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4679 (insert_save, insert_restore): New parameter save_mode.
4680 (init_caller_save): Update initialization of reg_save_code
4681 and reg_restore_code.
4682 (save_call_clobbered_regs): Compute save_modes and update calls to
4683 reg_save_code and reg_restore_code.
4684 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4685 of spill; update use of reg_restore_code.
4686 (insert_save): Likewise.
4687 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4688 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4689 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4691 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4693 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4694 noce_try_store_flag_inc, noce_try_store_flag_mask,
4695 noce_try_cmove_arith):
4696 Use reversed_comparison_code instead of reverse_comparison and
4697 can_reverse_comparison_p.
4699 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4701 * jump.c (reversed_comparison_code_parts): Allow reversal of
4702 unordered compares in -ffast-math mode; reverse ordered compares
4703 for FP even w/o -ffast-math.
4705 2001-02-27 Richard Henderson <rth@redhat.com>
4707 * print-rtl.c (print_rtx) [i]: Don't print field five on
4708 NOTEs other than NOTE_INSN_DELETED_LABEL.
4710 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4712 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4713 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4715 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4717 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4718 even if walk_subtrees is 0.
4719 * c-semantics.c (prune_unused_decls): Return a non-null value to
4720 stop traversing the tree chain.
4722 2001-02-27 DJ Delorie <dj@redhat.com>
4724 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4725 register, *then* define it as the new CFA.
4727 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4729 * pa.c (override_options): Promote -fpic to -fPIC.
4730 (legitimize_pic_address): Simplify due to removal of
4731 small PIC as a code generation option.
4732 (secondary_reload_class): Similarly.
4733 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4734 (PRINT_OPERAND_ADDRESS): Similarly.
4735 * pa.md (various patterns): Similarly.
4736 (small pic lo_sum pattern): Remove.
4738 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4741 * md.texi (min, max): Document
4743 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4745 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4746 TARGET_PARTIAL_REG_DEPENDENCY.
4747 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4749 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4751 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4753 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4755 * mips.c (mips_make_temp_file): Fix thinko in last change.
4757 2001-02-26 Jason Eckhardt <jle@redhat.com>
4759 * combine.c (known_cond): Do not reverse the condition when
4760 SMAX/UMAX is being considered and the condition is for equality
4763 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4765 2001-02-26 Philip Blundell <philb@gnu.org>
4767 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4769 * config/arm/linux-elf.h: Remove historical relics related to
4770 above configurations.
4771 * config/arm/linux-oldld.h: Delete.
4772 * config/arm/linux-elf26.h: Delete.
4774 2001-02-26 Jason Merrill <jason@redhat.com>
4776 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4778 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4779 recognize a tentative definition. Lose obsolete code.
4781 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4782 variables unless necessary, either.
4784 2001-02-25 Richard Henderson <rth@redhat.com>
4786 * ifcvt.c (struct noce_if_info): Add test_bb.
4787 (noce_get_alt_condition): New.
4788 (noce_try_minmax, noce_try_abs): New.
4789 (noce_operand_ok): New.
4790 (noce_process_if_block): Use them.
4791 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4793 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4795 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4798 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4800 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4801 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4803 (mips_asm_file_end): Free temp_filename here.
4805 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4807 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4808 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4810 * config/i386/i386.md (movstrsi): Handle FAIL case.
4812 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4814 * cppinit.c (builtin_array): Update.
4815 (init_builtins): Flag builtins to warn if redefined or
4816 undefined. Define __GXX_WEAK as a normal macro.
4817 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4818 * cpplib.h (NODE_WARN): New flag.
4819 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4820 Handle __STDC__ as a builtin only on Solaris.
4821 (warn_of_redefinition): Renamed from check_macro_definition.
4822 Reverse sense of test. Always warn if NODE_WARN.
4823 (_cpp_create_definition): Use warn_of_redefinition. Flag
4824 any macro beginning with "__STDC_" to require a mandatory
4825 warning if redefined or undefined.
4827 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4829 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4830 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4831 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4832 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4833 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4834 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4835 Don't define any of:
4836 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4837 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4838 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4839 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4840 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4842 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4843 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4846 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4847 Delete now-empty file.
4849 * alpha/vms.h: Define NEED_ATEXIT here...
4850 * alpha/xm-vms.h: ...not here.
4852 * i386/cygwin.h: Don't define PARAMS.
4853 * mips/mips.c: Don't prototype mktemp. Don't define
4854 P_tmpdir. Use make_temp_file to create temporary files.
4855 Don't be clever and delete temporary files early.
4856 * config.gcc: Drop references to deleted files. Don't define
4858 * gcc.texi: Don't mention USE_PROTOTYPES.
4860 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4862 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4863 (ix86_set_move_mem_attrs_1): Likewise.
4864 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4865 * config/i386/i386.md (movstrsi): Call it.
4867 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4869 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4870 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4871 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4872 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4874 (i750a-*-*): Error here if hosting on i750a.
4875 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4877 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4878 Remove (empty modulo comments).
4880 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4881 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4882 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4883 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4884 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4885 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4887 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4888 Remove reference to winnt.h in comment.
4889 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4891 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4893 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4894 used to set another biv.
4896 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4898 * tree.h (BLOCK_DEAD): New macro.
4899 (struct tree_block): New flag, dead_flag.
4900 * print-tree.c (print_node, case 'b'): Print missing fields.
4901 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4902 * function.c (identify_blocks): Enable test for misplaced notes.
4903 (all_blocks): Skip BLOCK_DEAD blocks.
4904 * integrate.c (integrate_decl_tree): Likewise.
4906 * errors.c (internal_error, trim_filename): New functions.
4907 (fancy_abort): Call internal_error.
4908 * errors.h (internal_error, trim_filename): New declarations.
4910 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4912 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4914 (EXTRA_CONSTRAINT): Formatting changes.
4916 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4918 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4920 2001-02-23 Per Bothner <per@bothner.com>
4922 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4923 so they can be called from java/jvspec.c.
4924 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4926 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4928 * i386.c (ix86_frame): New structure.
4929 (ix86_compute_frame_size): Kill.
4930 (ix86_compute_frame_layout): New.
4931 (ix86_save_reg): New.
4932 (ix86_can_use_return_insn_p): Use frame layout stuff.
4933 (ix86_expand_prologue): Likewise.
4934 (ix86_expand_epilogue): Likewise.
4935 (ix86_initial_elimination_offset): Likewise.
4936 (ix86_nsaved_regs): Use ix86_save_reg.
4937 (ix86_emit_save_regs): Likewise.
4939 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4941 * flow.c (find_sub_basic_blocks): New function.
4942 (split_block): Be ready for basic block introduced by CODE_LABEL.
4943 (commit_one_edge_insertion): Call find_sub_basic_block.
4945 * flow.c (make_edges): Add edge from entry for blocks starting with
4946 label having ALTERNATE_NAME
4948 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4950 * function.c (epilogue_done): Be ready for first basic block not
4951 containing PROLOGUE_END note.
4952 (reposition_prologue_and_epilogue_notes): Avoid placing
4953 PROLOGUE_END note between BASIC_BLOCK.
4955 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4957 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4959 2001-02-21 DJ Delorie <dj@redhat.com>
4961 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4962 check for current_function_has_nonlocal_goto from 1999-11-12.
4964 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4966 * diagnostic.c (trim_filename): No longer static.
4967 * toplev.h (trim_filename): Declare.
4968 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4969 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4970 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4971 (rtvec_check_failed_bounds): Likewise.
4972 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4974 * convert.c (convert_to_integer): Don't do unsigned unless result or
4975 both inputs are unsigned.
4977 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4980 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4982 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4984 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4986 * Makefile.in (resource.o): Add params.h dependence.
4987 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4988 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4989 * resource.c: Add dependence on params.h.
4990 (current_live_regs): Fix explanatory comment.
4991 (find_basic_block): Add new parameter to permit limiting search
4993 (mark_target_live_regs): Add new argument to find_basic_block call.
4994 (incr_ticks_for_insn): Likewise.
4996 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4998 * diagnostic.c (output_to_stream): Rename to
4999 output_buffer_to_stream. Loses the stream parameter.
5000 (init_output_buffer): Set diagnosic_buffer's stream.
5001 (flush_diagnostic_buffer): Adjust.
5002 (default_print_error_function): Likewise.
5003 (finish_diagnostic): Likewise.
5004 (verbatim): Likewise.
5006 * diagnostic.h (struct output_buffer): Add `stream' field.
5007 (output_buffer_attached_stream): New macro.
5009 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5011 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5012 check if either operand is divisible by C.
5013 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5014 If type is signed, consider negative numbers as well.
5016 2001-02-22 Richard Henderson <rth@redhat.com>
5018 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5019 reach .text instead of gp-relative relocs.
5020 * config/ia64/crtend.asm (.init): Likewise.
5022 2001-02-22 Andreas Jaeger <aj@suse.de>
5024 * extend.texi (C++ Attributes): Fix typo.
5026 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5028 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5029 functions, drop current_function_args_info.words test.
5030 (ia64_compute_frame_size): Mark syscall_linkage functions as
5031 using eight input registers.
5033 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5034 Bruce Korb <bkorb@gnu.org>
5036 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5037 * fixinc/README: Document how to convert sed substitutions
5038 to format style c_fix-es.
5039 * fixinc/fixincl.x: regen
5041 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5043 * gcc.c: Add comment explaining how to add a command-line option.
5044 Add title to specs language comment.
5046 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5048 * gcc.c (cc1_options): Add "-param".
5049 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5050 (option_map): Likewise.
5051 * toplev.c (display_help): Add entry for "--param".
5052 (independent_decode_option): Fix typographical error.
5054 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5055 Bernd Schmidt <bernds@redhat.com>
5056 Jan Hubicka <jh@suse.cz>
5058 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5059 (function_arg): Likewise.
5061 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5063 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5065 2001-02-21 Kazu Hirata <kazu@hxi.com>
5067 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5071 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5073 * flow.c (init_propagate_block_info): Canon address and use single_set
5074 for killing dead memory stores.
5076 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5078 * Makefile.in (reorg.o): Add params.h dependence.
5079 * params.def: Fix typographical error in comment.
5080 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5081 * params.h: Modify introductory comment.
5082 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5083 * reorg.c: Add dependence on params.h.
5084 (redundant_insn): Add parameterized throttle for search.
5085 (fill_simple_delay_slots): Add a comment explaining a variable.
5086 Move conditional out of loop, simplifying code.
5087 (fill_eager_delay_slots): Fix typographical error in comment.
5089 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5091 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5093 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5094 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5096 2001-02-21 Jason Merrill <jason@redhat.com>
5098 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5099 (struct tree_decl): Add uninlinable bitfield.
5100 * c-decl.c (duplicate_decls): Set it.
5101 * integrate.c (function_cannot_inline_p): Check it.
5103 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5104 DW_AT_MIPS_linkage_name to abstract methods.
5105 (dwarf2out_abstract_function): Emit class context before calling
5106 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5107 (gen_subprogram_die): Remove obsolete code.
5108 (gen_member_die): Don't include clones in the member list.
5109 (gen_decl_die): Emit abstract info for clone origin.
5110 * dwarfout.c (output_type): Don't include clones in the member list.
5111 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5112 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5113 DECL_ABSTRACT on a function that already has it set.
5115 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5116 (get_subprogram_die): Pass it in.
5118 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5120 * flow.c (mark_set_1): Make not_dead unsigned long. For
5121 non-pseudos, use it as a bitmask of the hard regs that
5124 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5126 * cppfiles.c: Update comments.
5127 (_cpp_read_file): Don't check for NULL filenames any more.
5128 * cppinit.c (cpp_start_read): Don't do canonicalization of
5129 in_fname and out_fname. Use the passed file name exclusively.
5130 (_cpp_handle_options): Don't treat "-" as a command line option,
5131 but as a normal filename.
5132 (_cpp_post_options): Canonicalize in_fname and out_fname.
5133 * cppmain.c (printer_init): Don't check out_fname for NULL.
5134 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5135 (init_c_lex): Update, and use "" to represent stdin to CPP.
5138 2001-02-20 Will Cohen <wcohen@redhat.com>
5140 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5141 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5142 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5145 2001-02-20 Stan Shebs <shebs@apple.com>
5147 * config/rs6000/rs6000.c (output_cbranch): Output branches
5148 on separate lines instead of using ';' to separate.
5150 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5152 * cppinit.c (set_lang): Move builtin handling to...
5153 (init_builtins): ...here.
5154 (_cpp_create_reader): Move call to set_lang.
5156 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5158 * stmt.c (expand_return): If an attempt is made to return the
5159 error_mar_node, treat the return like a return without a value.
5161 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5163 * sibcall.c (skip_copy_to_return_value): Call
5164 identify_call_return_value here, and return orig_insn if it
5165 returns zero. Hardret and softret arguments now unnecessary.
5166 (call_ends_block_p): Don't call identify_call_return_value here.
5168 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5170 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5171 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5173 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5175 * pa.c (move_operand): Accept code to load the address of a
5176 symbol out of the DLT as a valid move operand.
5177 (print_operand, case 'A'): New to handle generating a DLT
5178 reference for a LO_SUM expression.
5179 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5180 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5182 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5184 * README, cpp.texi, gcc.texi, version.c: Update version number to
5186 * cpp.1, gcov.1, gcc.1: Regenerate.
5188 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5190 * cppfiles.c (stack_include_file): Generate dependencies
5191 here, and manage include_count here too.
5192 (PRINT_THIS_DEP): Delete.
5193 (_cpp_execute_include): Do not generate dependencies here,
5194 apart from the case of a missing header. Do not manage
5196 (_cpp_read_file): Leave dependency generation to
5199 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5201 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5202 target_cpu_default. Remove dead assignment to
5205 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5207 * regclass.c (contains_reg_of_mode): Make global.
5208 (init_reg_sets): Remove contains_reg_of_mode; take into account
5209 CLASS_MAX_NREGS when looking for the proper mode.
5210 (dump_regclass): Dump only classes considered for the pseudo.
5211 (regclass): Use contains_reg_of_mode.
5213 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5215 * gcc.c (do_spec_1): 'n' for printing notices.
5216 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5218 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5220 * reg-stack.c (next_flags_user): Use current_block->end
5221 (swap_rtx_condition): Look for next user if flags don't die;
5222 give up on CALL_INSNs; use current_block->end.
5224 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5226 * sibcall.c (call_ends_block_p): New function.
5227 (optimize_sibling_and_tail_recursive_call): Use it.
5229 2001-02-18 Kazu Hirata <kazu@hxi.com>
5231 * config/h8300/h8300.md: Update copyright.
5232 (andsi3): Do not output an extra newline character.
5234 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5236 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5237 FNDECL may be unused.
5239 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5240 follow jumps after first run.
5241 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5242 it doesn't change any jumps.
5244 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5246 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5247 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5248 (mostlyclean): Corresponding changes.
5249 * rtlanal.c (hard-reg-set.h): Include.
5250 (rtx_unstable_p): Do not treat the argument pointer specially
5251 if it is not a fixed register.
5252 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5254 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5256 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5257 against last real insn in basic block.
5258 Rework to avoid gotos.
5260 * Makefile.in (gcse.o): Now includes ggc.h.
5261 * gcse.c: Include ggc.h.
5262 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5263 (try_replace_reg): Remove warning of uninitialize variable.
5264 (process_insert_insn): Call invalid_insn_p to validate insn.
5265 * recog.c (insn_invalid_p): Now global.
5266 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5267 * recog.h (insn_invalid_p): New declaration.
5269 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5271 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5272 assignments from FP constants since 'Y' output code can't handle it.
5273 (eligible_for_sibcall_delay): Likewise.
5275 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5276 Call fancy_abort directly, passing args.
5277 (print_rtl_and_abort): Now a macro, like fancy_abort.
5279 * final.c (output_operand_lossage): Use internal_error, not error.
5281 2001-02-18 Shane Nay <shane@agendacomputing.com>
5283 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5284 structure shift insns.
5286 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5288 * invoke.texi (-fsquangle): Remove documentation.
5289 (-fname-mangling-version): Likewise.
5291 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5293 * optabs.c (expand_abs): Remove reference to
5294 HAVE_contitional_arithmetic.
5295 * combine.c (simplify_set): Likewise.
5297 2001-02-18 Richard Henderson <rth@redhat.com>
5299 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5302 2001-02-18 Richard Henderson <rth@redhat.com>
5304 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5306 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5308 * reload1.c (reload_cse_simplify_set): Fix typo.
5310 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5312 * diagnostic.c (_fatal_insn): Decrement errorcount.
5314 * invoke.texi (-I): Add note avoiding use for system header files.
5316 * rtl.h (add_clobbers): Remove duplicate declaration.
5317 * recog.h (added_clobbers_hard_reg_p): New declaration.
5318 * genemit.c (struct clobber_pat): New field has_hard_reg.
5319 (gen_insn): Record if added clobbers clobber hard reg.
5320 (gen_split): Avoid unused warning if number of operands is 0.
5321 (output_added_clobbers_hard_reg_p): New function.
5324 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5326 * pa.c (hppa_expand_prologue): Simplify code storing return
5327 pointer. For large (>=8k) frames with a post_store, adjust stack
5328 pointer by 8k-64 first rather than by 64. When testing with
5329 VAL_14_BITS_P, always use the actual value rather than the value
5330 negated. Add blockage to prevent scheduling of spills before
5331 stack frame has been created.
5332 (hppa_expand_epilogue): Simplify code loading return pointer.
5333 Allow a slightly larger range for merge_sp_adjust_with_load case.
5334 When testing with VAL_14_BITS_P, always use the actual value.
5336 * pa.c (pa_adjust_insn_length): Check that block move
5337 pattern is a set before looking at operands.
5339 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5341 * fold-const.c (fold_binary_op_with_conditional_arg): New
5342 function, split out from ...
5344 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5345 conditional arms that throw exceptions.
5347 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5350 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5352 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5353 define HAVE_DECL_* to 1 to mask potential backup declarations.
5354 * configure: Regenerated.
5356 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5358 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5360 2001-02-17 Richard Henderson <rth@redhat.com>
5362 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5363 when replacing a memory load with a register.
5365 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5366 Jan Hubicka <jh@suse.cz>
5368 * recog.c (validate_replace_src_1): New.
5369 (validate_replace_src_data): Likewise.
5370 (validate_replace_src): Use note_uses.
5371 * rtl.h (note_uses): Declare.
5372 * rtlanal.c (note_uses): New.
5374 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5376 * reg-stack.c (stack_def): Make field reg unsigned.
5377 (remove_regno_note): Unsignetize parameter.
5379 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5381 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5382 shladd_operand() call.
5384 2001-02-16 Bruce Korb <bkorb@gnu.org>
5385 Rodney Brown <RodneyBrown@mynd.com>
5387 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5388 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5389 machine restrictions
5390 * fixinc/fixincl.x: regen
5392 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5394 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5396 (hash_scan_insn): Clean up calls to hash_scan_set.
5397 (compute_kill_rd): REGNO now unsigned.
5398 (try_replace_reg): Rework to use simplify_replace_rtx.
5399 (cprop_jump, cprop_cc0_jump): Likewise.
5400 (cprop_insn): Call find_reg_equal_equiv_note.
5401 Reflect changes to cprop_jump and cprop_cc0_jump.
5403 * recog.c (validate_replace_src): Replace in operands of
5404 ZERO_EXTRACT in SET_DEST.
5406 * cse.c (new_label_ref): New variable.
5407 (insert): Set it instead of recorded_label_ref.
5408 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5409 CODE_LABEL for this function, and not already in REG_LABEL note.
5411 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5413 * resource.c (mark_referenced_resources): Fix typo in introductory
5415 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5418 2001-02-16 Jason Merrill <jason@redhat.com>
5420 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5422 (gen_subprogram_die): Don't abort on seeing a second definition if
5423 the previous one was abstract. Don't replace an abstract instance
5424 in the lookup table.
5426 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5427 gen_abstract_function.
5428 * dwarf2out.h: Declare it.
5429 * toplev.c (note_outlining_of_inline_function): New fn.
5430 * toplev.h: Declare it.
5431 * integrate.c (output_inline_function): Call it.
5432 * c-decl.c (duplicate_decls): Call it when redefining an extern
5433 inline. Don't inline the new defn.
5435 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5437 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5439 * .gdbinit: Rename to gdbinit.in.
5440 * gdbinit.in: New file,
5441 * configure.in: Generate .gdbinit from gdbinit.in.
5442 * configure: Regenerated.
5443 * Makefile.in (distclean): Always remove .gdbinit.
5445 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5447 * objc/objc-act.c (start_class): Register implemented_classes with
5450 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5452 * cppfiles.c (_cpp_make_system_header): Generate a file
5455 2001-02-15 Jim Meyering <meyering@lucent.com>
5457 * Makefile.in (install-common): Don't depend on installdirs here.
5458 Instead, make each of the lang.install-common targets (e.g.,
5459 c++.install-common in cp/Make-lang.in) depend on it.
5460 (install-driver): Depend on installdirs.
5462 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5464 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5466 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5469 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5471 * invoke.texi (--param): Document.
5473 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5475 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5477 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5479 * i386.md (extendsfdf2_2): Fix constraints.
5481 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5483 * i386.md (fop_df_3 splitter): Fix operand number.
5485 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5487 * invoke.texi (-mreg-alloc): Nuke.
5488 * i386.c (ix86_reg_alloc_order, regs_allocated,
5489 order_regs_for_local_alloc): Nuke.
5490 (override_options): Kill reg_alloc code.
5491 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5492 (REG_ALLOC_ORDER): SSE goes before I387.
5493 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5494 (ix86_reg_alloc_order): Likewise.
5495 * i386-protos.h (ix86_reg_alloc_order): Kill.
5497 2001-02-14 Richard Henderson <rth@redhat.com>
5499 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5501 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5503 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5505 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5507 * i386-protos.h (ix86_memory_move_cost): Move offline.
5508 * i386.c (ix86_register_move_cost): Compute properly cost of
5509 SSE, MMX and i387 instructions.
5510 (*_cost): Add costs of SSE/MMX moves.
5511 (ix86_memory_move_cost): Move offline from ....; Likewise.
5512 * i386.h (MEMORY_MOVE_COST): .... here;
5513 (struct processor costs): Add new fields to represent costs
5516 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5518 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5519 move_cost together with Matt Kraai's fix.
5521 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5523 * Makefile.in (OBJS): Add params.o.
5525 2001-02-14 Richard Henderson <rth@redhat.com>
5526 DJ Delorie <dj@redhat.com>
5528 * jump.c (jump_optimize_1): When we delete a conditional jump
5529 preceeding a non-conditional jump to effectively the same place,
5530 make sure that the combined jump skips any clobber insns between
5533 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5535 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5537 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5539 * Makefile.in (toplev.o): Depend on params.h.
5540 (intergate.o): Likewise.
5541 (params.o): New target.
5542 * flags.h (inline_max_insns): Remove.
5543 * integrate.c: Include params.h.
5544 Use MAX_INLINE_INSNS instead of inline_max_insns.
5545 * params.c: New file.
5546 * params.h: Likewise.
5547 * params.def: Likewise.
5548 * toplev.c: Include params.h.
5549 (lang_independent_params): New variable.
5550 (decode_f_option): Use the param machinery instead of setting
5552 (independent_decode_option): Handle "--param name=value".
5553 (main): Register language-independent parameters.
5555 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5557 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5559 2001-02-14 Richard Henderson <rth@redhat.com>
5561 * regclass.c (init_reg_sets_1): Revert last two changes.
5563 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5565 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5566 (variable_size): Call put_pending_size.
5567 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5568 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5569 sizes list, put newly created SAVE_EXPR there as well.
5571 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5573 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5574 (errata_find_address_regs): load_group has only 2 entries.
5575 (errata_emit_nops): Likewise. shladd is not problematic.
5576 Clear last_group if nop was emitted.
5577 (fixup_errata): load_group has only 2 entries.
5580 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5582 * c-lex.c (lex_number): Only warn traditionally for U suffix
5583 outside system macros.
5584 * cppexp.c (parse_number): Similarly.
5585 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5586 * cppmacro.c (struct cpp_macro): New member node.
5587 (parse_args): Only warn about missing rest args if not
5589 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5590 (cpp_sys_objmacro_p): New.
5591 (_cpp_create_definition): Store the node with the macro defn.
5592 Remember if the macro is defined in a system header.
5594 2001-02-13 DJ Delorie <dj@redhat.com>
5596 * configure.in (check_languages): determine languages to check
5597 * Makefile.in (check-c++): alias for check-g++
5598 (check-f77): alias for check-g77
5599 (CHECK_TARGETS): depend on configured languages
5601 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5603 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5604 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5605 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5606 (sqrtextendsfdf2): Disable for SSE2.
5608 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5610 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5611 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5612 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5613 (sqrtextendsfdf2): Disable for SSE2.
5615 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5617 * i386.md (movsfcc_1): Support integer cmove instruction.
5618 (movdfcc_1): Likewise; new splitter.
5620 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5622 * i386.c (output_fp_compare): Support SSE.
5623 (prepare_fp_compare_args): SSE comparisons always support memory.
5624 * i386.h (TARGET_CMOVE): SSE imply cmove.
5625 * i386.md (cmp?f2): Enable for SSE too.
5626 (cmpfp_i*): Support SSE.
5628 (cmpfp_i_sse_only): New.
5629 (s*, b* fp expanters): Enable for SSE too.
5630 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5633 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5635 * regclass.c (init_reg_sets_1): Silence warning.
5637 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5639 * i386.md (sqrt?f2): Change to expander.
5640 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5642 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5644 * rtlanal.c (find_reg_equal_equiv_note): New function.
5645 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5646 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5647 * rtl.h: Add declarations for above functions.
5649 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5651 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5653 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5654 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5655 * flow.c (mark_regs_live_at_end): Likewise.
5656 (calculate_global_regs_live): Likewise.
5657 * gcse.c (compute_hash_table): Likewise.
5658 (compute_kill_rd): Likewise.
5659 * resource.c (mark_target_live_regs): Likewise.
5660 * rtl.h (INVALID_REGNUM): New macro.
5662 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5664 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5666 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5668 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5671 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5673 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5675 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5676 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5677 (fop_sf_1_sse, fop_df_1_sse): New patterns
5678 (fop_*): Disable float_extend and float patterns for SSE compilation.
5679 * i386.c (output_387_binary_op): Support SSE.
5681 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5683 * i386.md (dummy_extendsfdf2): Support SSE2
5684 (extendsfdf2): Enable if 80387 or SSE2.
5685 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5686 and no MIX_I387_SSE2
5687 (extendsfdf2_1_sse_only): New pattern.
5688 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5690 (truncdfsf2_1): Support SSE.
5691 (truncdfsf2_2): Support SSE.
5692 (truncdfsf2_2_1_sse): New pattern.
5693 (fixtruncsfsi2): Always use SSE if available.
5694 (fix_truncsfsi_sse): New pattern.
5695 (fix_truncdfsi_sse): New pattern.
5696 (floatsis?f2): Support SSE.
5697 (floatsidf2_i387): New pattern.
5698 (floatsidf2_sse): Likewise.
5700 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5702 * configure.in: Use "have_gnat" variable, not "gnat".
5703 * configure: Regenerated.
5705 * config/sparc/sparc.c (function_value): Treat all non-record
5706 aggregate types like used to treat UNION_TYPE.
5708 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5710 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5711 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5713 (MASK_MIX_SSE_I387): New.
5714 (TARGET_SSE): SSE2 imply SSE.
5715 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5716 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5717 (enum reg_class): Add new classes.
5718 (REG_CLASS_NAMES): Likewise.
5719 (REG_CLASS_CONTENTS): Likewise.
5720 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5721 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5722 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5723 (CLASS_MAX_NREGS): Use new macros.
5724 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5725 * i386.md (pushsf, movsf): Support SSE.
5726 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5727 splitters to use ANY_FP_REGNO_P.
5728 (movdf_nointeger, movdf_integer): Likewise.
5730 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5732 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5733 (try_combine): Use it.
5735 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5737 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5738 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5739 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5740 (REGISTER_MOVE_COST): Likewise.
5741 * i386-protos.h (ix86_secondary_memory_needed,
5742 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5743 * i386.c (ix86_secondary_memory_needed,
5744 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5746 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5748 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5749 (HARD_REGNO_MODE_OK): Move offline to ....
5750 * i386.c (ix86_hard_regno_mode_ok) ... here;
5751 refuse all incorrect modes.
5752 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5754 2001-02-13 Richard Henderson <rth@redhat.com>
5756 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5757 entire operator; replicate that and match_dup the operands.
5758 (cmp_ccx_arith_op_set): Likewise.
5759 (cmp_cc_arith_op_not_set): Likewise.
5760 (cmp_ccx_arith_op_not_set): Likewise.
5762 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5764 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5766 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5768 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5769 (TARGET_NO_BITFIELD_WORD): New macro.
5770 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5771 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5773 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5775 * cselib.c: New file, from simplify-rtx.c.
5776 * simplify-rtx.c: Remove cselib parts.
5777 * Makefile.in: Add cselib.o.
5779 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5781 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5782 (setup_incoming_varargs): Remove warning.
5784 * config/rs6000/rs6000.c (validate_condition_mode): When
5785 flag_fast_math, allow floating-point conditionals to be reversed.
5786 (rs6000_generate_compare): When flag_fast_math, don't generate
5787 cror operations for FP conditionals.
5789 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5791 (ASM_SPEC): Likewise.
5792 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5793 (CC1_SPEC): Likewise.
5794 (LINK_TARGET_SPEC): Likewise.
5795 (CPP_ENDIAN_SPEC): Likewise.
5796 * Makefile.in (check-consistency): New target.
5798 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5800 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5801 "return type defaults" warning for functions with return type
5803 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5804 function declarations by default rather than only when pedantic.
5806 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5808 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5811 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5813 * extend.texi (Deprecated): Deprecate new initializer lists.
5815 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5817 * mkdeps.c (deps_add_default_target): Robustify. Add
5818 basename component only.
5819 * cpp.texi (-M): Describe how default target is generated.
5820 * invoke.texi (-M): Likewise.
5822 2001-02-12 Kazu Hirata <kazu@hxi.com>
5824 * toplev.c (push_float_handler): Remove.
5825 (pop_float_handler): Remove.
5826 * toplev.h: Remove prototypes for the above functions.
5828 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5830 * c-common.c (constant_fits_type_p): New function.
5831 (convert_and_check): Use it.
5833 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5835 * Makefile.in (GXX_ABI_FLAG): Don't define.
5836 * configure.in (--enable-new-gxx-abi): Remove option.
5837 * config.in: Regenerated.
5838 * configure: Likewise.
5840 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5842 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5844 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5845 regular basic block, and arrange for all edges into it to switch
5848 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5850 * Makefile.in (distclean): Do not remove .gdbinit.
5852 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5854 * Makefile.in (gcc.o): Fix typos.
5855 (protize.o): Likewise.
5856 (unprotoize.o): Likewise.
5858 2001-02-11 Richard Henderson <rth@redhat.com>
5860 * tree.c (build1): Check for null operand in last change.
5862 2001-02-11 Richard Henderson <rth@redhat.com>
5864 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5865 (fold): Don't assume a constant isn't foldable.
5866 * tree.c (build): Set TREE_CONSTANT for an expression with no
5867 side-effects and constant operands.
5870 2001-02-10 Richard Henderson <rth@redhat.com>
5872 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5874 2001-02-10 Anthony Green <green@redhat.com>
5876 * cpp.texi (Standard Predefined): Add documentation for
5879 * c-common.c (combine_strings): Improve warning message.
5881 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5883 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5885 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5887 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5889 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5892 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5894 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5897 2001-02-09 Nick Clifton <nickc@redhat.com>
5899 * config/arm/arm.md: Change output contraint on post inc
5900 load/store multiple patterns to be a read/write contraint.
5902 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5904 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5905 .o files when using the -M options.
5907 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5908 David Edelsohn <edelsohn@gnu.org>
5910 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5911 handle DImode constants. Use one TOC entry for SImode and smaller
5912 constants, aligned properly.
5914 2001-02-08 Jason Merrill <jason@redhat.com>
5916 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5917 about the SP adjustment for saving the static chain pointer.
5918 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5919 offset when setting a temporary CFA register.
5921 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5923 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5924 powerpc-*-chorusos* .
5925 * config/rs6000/chorus.h : New file.
5926 * config/i386/chorus.h : New file.
5927 * config/sparc/chorus.h : New file.
5928 * config/sparc/t-chorus-elf : New file.
5930 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5932 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5933 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5934 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5935 (__WCHAR_TYPE__): Correct macro name.
5937 2001-02-08 Richard Henderson <rth@redhat.com>
5939 * config/i386/i386.c (ix86_frame_pointer_required): New.
5940 (ix86_setup_frame_addresses): New.
5941 (struct machine_funciton): Add accesses_prev_frame.
5942 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5943 ix86_frame_pointer_required.
5944 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5945 (SETUP_FRAME_ADDRESSES): New.
5946 * config/i386/i386-protos.h: Update.
5947 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5948 from FRAME_POINTER_REQUIRED.
5949 * config/i386/svr3gas.h: Likewise.
5950 * config/i386/sysv3.h: Likewise.
5951 * config/i386/v3gas.h: Likewise.
5953 2001-02-08 Richard Henderson <rth@redhat.com>
5955 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5956 calculation of the number of integer registers required.
5957 (function_arg_record_value): Likewise.
5959 2001-02-08 Jason Merrill <jason@redhat.com>
5961 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5962 two. Print file and line with "confused" message.
5964 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5966 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5968 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5970 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5972 * final.c (cleanup_subreg_operands): The address of a MEM can
5975 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5978 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5980 * gcc.texi (Incompatibilities): Update documentation of
5981 preprocessing numbers.
5983 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5985 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5987 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5989 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5991 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5992 * gcc.c (struct compiler): Add cpp_spec field.
5993 (input_file_compiler): New variable.
5994 (do_spec_1): Allow a particular compiler to handle `%C'
5996 (main): Store the current compiler in input_file_compiler.
5997 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5999 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6001 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6002 * cppinit.c (cpp_create_reader): Initialize them.
6003 (append_include_chain): cxx_aware arg might be unused.
6004 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6005 keywords and give them their phase 7 meaning. Pedwarn about
6006 this unless '__bool_true_false_are_defined' is defined.
6008 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6010 * lcm.c (optimize_mode_switching): Emit mode_set before the
6011 JUMP_INSN of an abnormal edge.
6013 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6015 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6016 a scheduling barrier at the end.
6018 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6020 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6022 * config/sh/sh.md (reload_outsf): Removed.
6023 (movsf_ie): Introduce constraints for FPUL loads and stores.
6024 (reload_insf): Broaden the output constraint.
6026 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6028 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6029 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6031 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6033 * final.c: Revert my previous changes.
6034 * output.h: Make profile_label_no extern.
6035 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6036 for generating label.
6038 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6040 * config/i386/djgpp.h: Add comments about standard paths.
6041 (MD_EXEC_PREFIX): Undefine before defining.
6042 (MD_STARTFILE_PREFIX): New.
6044 2001-01-30 Bruce Korb <bkorb@gnu.org>
6046 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6047 (load_file): do not rely on load_file_data() to close file pointer
6048 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6049 fixinc/inclhack.def(irix_limits_const): add test_text
6051 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6053 * cppexp.c (parse_defined): Improve diagnostics for invalid
6056 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6058 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6060 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6062 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6063 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6064 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6065 (rs6000_output_symbol_ref): New function.
6066 (output_toc): Use VTABLE_NAME_P.
6068 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6070 * print-tree.c (print_node, case PARM_DECL):
6071 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6073 * stor-layout.c (reference_types_internal): New variable.
6074 (internal_reference_types): New function.
6075 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6076 * tree.h (internal_reference_types): New declaration.
6078 * cse.c (find_best_addr): Fix typo in computing cost.
6080 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6082 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6083 and this is the sum of a pointer and a constant, we know the result
6085 (num_sign_bit_copies, case PLUS): Likewise.
6086 * explow.c (convert_memory_address): Remove opposite SUBREG.
6087 * function.c (instantiate_new_reg): New function (from common code).
6088 (instantiate_virtual_regs_1): Call it.
6089 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6090 if pointers sign- or zero-extend.
6091 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6092 If pointers extend unsigned, use inside of SUBREG.
6093 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6095 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6097 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6098 subdir of gcc_gxx_include_dir.
6099 (gcc_gxx_target_include_dir): Remove.
6101 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6103 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6104 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6105 a high-level description.
6107 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6109 * final.c: Move the declaration of profile_label_no to ...
6110 * output.h: ... here.
6111 * function.c (expand_function_start): Call PROFILE_HOOK.
6112 * config/rs6000/aix.h: Define PROFILE_HOOK.
6113 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6114 * config/rs6000/rs6000.c (output_profile_hook): Define.
6115 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6116 output_profile_hook.
6117 tm.texi : Explain new macro PROFILE_HOOK.
6119 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6121 * extend.texi (Extended Asm): Do not say that semicolon is always
6122 a valid line-breaking character for GNU assemblers. Use
6123 newline-tab as the most commonly supported syntax. Use
6124 newline-tab rather than semicolon in multi-insn examples.
6126 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6128 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6130 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6131 David Edelsohn <edelsohn@gnu.org>
6133 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6134 code for AIX, even without flag_pic.
6136 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6138 * c-typeck.c (common_type): push and pop binding level around
6139 calling common_type on function parameters.
6141 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6143 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6145 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6147 * config/mips/mips.c (override_options): Fix typo in last change.
6148 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6149 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6151 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6153 * invoke.texi (-fdump-class-layout): Document.
6154 (-fdump-translation-unit): Use `=' as filename separator.
6156 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6158 * Makefile.in (s-mlib): Don't build multilibs if
6160 (DRIVER_DEFINES): Adjust accordingly.
6162 (protoize.o): Likewise.
6163 (unprotoize.o): Likewise.
6164 * configure.in: Recognize --enable-multilib.
6166 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6168 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6170 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6171 * configure.in: Remove --enable-libstdcxx_v3 support.
6172 * configure: Regenerated.
6174 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6176 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6177 Call abort instead of fatal.
6178 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6179 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6180 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6181 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6182 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6183 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6185 * diagnostic.h (set_internal_error_function): Renamed.
6186 * toplev.h (internal_error): Renamed from fatal.
6187 (pfatal_with_name): Deleted.
6188 (fatal_io_error): Now has printf-style arguments.
6189 * diagnostic.c (pfatal_with_name): Deleted.
6190 (fatal_io_error): Rework to have args in printf-style.
6191 (set_internal_error_function): Renamed from set_fatal_function.
6192 (internal_error): Renamed from fatal.
6193 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6194 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6195 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6196 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6197 * flow.c (verify_flow_info): Likewise.
6198 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6199 * config/mips/mips.c (save_restore_insns): Likewise.
6201 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6202 * flow.c (verify_flow_info): Likewise.
6203 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6204 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6205 (avr_normalize_condition): Likewise.
6206 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6207 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6208 (limit_reload_class, double_reg_to_memory): Likewise.
6209 (print_operand_address, emit_1600_code_shift): Likewise.
6210 (gen_tst_reg, gen_compare_reg): Likewise.
6211 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6212 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6214 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6216 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6217 * objc/objc-act.c (build_ivar_chain): Likewise.
6218 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6220 * graph.c (clean_graph_dump_file): Likewise.
6221 * profile.c (init_branch_prob): Likewise.
6222 * objc/objc-act.c (objc_init): Likewise.
6224 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6225 * config/avr/avr.c (avr_override_options): Likewise.
6226 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6227 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6228 * config/h8300/h8300.c (h8300_init_once): Likewise.
6229 * config/mips/mips.c (override_options): Likewise.
6230 * config/i386/i386.c (override_options): Likewise, rework.
6231 * config/m68k/m68k.c (override_options): Likewise.
6233 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6235 * config/mips/mips.c (print_operand): Likewise.
6236 * hash.c (hash_allocate): Don't check for failure returns from
6237 obstack functions that can't fail.
6238 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6239 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6240 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6241 (get_object_reference): Likewise.
6243 2001-02-04 Nick Clifton <nickc@redhat.com>
6245 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6246 StrongARM1110, 10TDMI, and 1020T.
6248 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6250 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6252 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6254 * config/sh/sh.md (movdf load split): Pass register number to
6255 FP_OR_XD_REGISTER_P.
6257 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6259 * cppinit.c (BC): New macro.
6260 (builtin_array): Add __GXX_WEAK__.
6261 * cpplib.h (builtin_type): Add BT_WEAK.
6262 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6263 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6264 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6266 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6268 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6270 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6272 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6273 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6275 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6277 * cpphash.h: Rename ALIGN _ALIGN.
6278 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6280 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6282 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6283 compilation environment.
6284 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6285 control over location of cygwin includes and libs.
6287 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6289 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6291 2001-02-02 lars brinkhoff <lars@nocrew.org>
6293 * md.texi (Standard Names): remove reference to spur.md.
6295 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6297 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6298 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6299 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6300 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6301 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6303 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6305 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6306 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6307 number before reload.
6308 (c4x_adjust_cost): Return zero before reload.
6309 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6310 split before reload.
6312 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6314 * c4x.c (c4x_hard_regno_rename_ok): New.
6315 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6316 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6318 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6320 * diagnostic.h: Add missing "extern" in all declarations.
6322 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6324 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6325 as for gcc_gxx_include_dir.
6327 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6329 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6331 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6333 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6334 label before alignment to be used as the braf base address.
6335 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6337 (casesi_jump_2): Require at least TARGET_SH2.
6339 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6340 truncation to 32-bit doubles on -m3e and -m4-single-only.
6342 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6344 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6345 the default when building a shared object.
6346 (init_spec): Use it.
6347 * testsuite/lib/g++.exp: Include the directory where libgcc
6348 is located to the LD_LIBRARY_PATH list.
6349 * invoke.texi (-shared-libgcc): Document the cases in which
6350 GCC defaults to using the shared libgcc.
6352 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6354 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6355 unsigned is wide enough.
6357 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6358 (si_to_float): Likewise.
6359 (float_to_si, float_to_usi): Use BITS_PER_SI.
6361 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6363 * dwarf2out.c: Added explanation of abbreviations.
6364 (def_cfa_1): Added comments listing DWARF2 instructions.
6365 (cfa_temp_reg): Removed in favor of cfa_temp.
6366 (cfa_temp_value): Removed in favor of cfa_temp.
6367 (cfa_temp): New global variable.
6368 (dwarf2out_frame_debug_expr): Added extensive introductory
6369 comments explaining the function's transformations. Revised to
6370 use cfa_temp. Added some rtx checking. Generalize IOR case.
6371 (dwarf2out_frame_debug): Revised to use cfa_temp.
6372 (output_aranges): Cast as "unsigned" to avoid warning.
6373 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6374 explain which instructions must be marked.
6376 2001-02-01 Richard Henderson <rth@redhat.com>
6378 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6381 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6383 * config/sh/crt1.asm (main_k): Modified so that start calls
6384 ___setup_argv_and_call_main.
6386 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6388 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6389 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6390 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6391 * cppmacro.c (builtin_macro): Set builtin flags here.
6392 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6393 (replace_args): Clarify intent.
6394 (cpp_get_token): Macro expansion tokens get the saved flags.
6396 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6399 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6401 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6404 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6406 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6407 returns Pmode pseudo, but we need ptr_mode.
6408 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6409 Remove bogus conversions; use HOST_WIDE_INT for size.
6410 Don't use TARGET if wrong mode.
6412 * config/i386/i386.c (ix86_compute_frame_size): Allow
6413 stack_alignment_needed to be non-default even if size is zero.
6415 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6417 * pa.c (hppa_init_pic_save): New function.
6418 * pa.h (hppa_init_pic_save): Declare.
6419 * pa.md (call, call_value, sibcall, sibcall_value): Use
6420 the above instead of duplicated code.
6422 * pa.c (hppa_encode_label): Correct size of alloca buffer
6423 so we don't overrun it. Correct leading `*' case.
6424 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6425 need to handle `*@'.
6426 (FUNCTION_NAME_P): Likewise.
6428 2001-01-31 Richard Henderson <rth@redhat.com>
6430 * config.gcc (alpha-osf5): Use float-i128.h.
6432 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6433 * config/float-i32.h: Likewise.
6434 * config/float-i64.h: Likewise.
6435 * config/float-sh.h: Likewise.
6436 * config/float-sparc.h: Likewise.
6438 2001-01-31 DJ Delorie <dj@redhat.com>
6440 * expmed.c (extract_bit_field): allow non-integral modes if we
6441 want to extract a whole register from itself.
6443 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6445 * c-typeck.c (set_init_index): If first is equal to last, assume as
6446 if it was not a range at all.
6448 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6450 * config/fp-bit.c: Include tm.h.
6451 (float_to_si): Don't assume SImode is 32-bits wide.
6452 (float_to_usi): Likewise.
6454 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6456 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6458 (typename): Call pending_xref_error after parsing typed_typespecs.
6459 * c-decl.c (lookup_tag): Give error immediately rather than
6460 leaving it pending if the tag of the wrong type is in the same
6462 (xref_tag): Don't pedwarn for forward declarations of enum types
6464 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6467 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6469 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6471 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6473 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6474 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6476 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6478 * cpphash.h (struct cpp_reader): New saved_flags.
6479 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6480 to avoid a paste after a pasted token.
6482 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6484 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6485 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6486 Wtype_MIN instead of LONG_MIN.
6488 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6490 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6492 * fixinc/fixincl.x: Regenerated.
6493 * fixinc/inclhack.def (irix_limits_const): New definition to
6494 convert "const" to "__const" in limits.h.
6496 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6498 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6500 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6502 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6503 when register dies in the insn.
6505 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6507 * diagnostic.c (fatal): Fix word wrap.
6509 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6511 * combine.c (try_combine): Fix SUBREG setting for
6512 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6514 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6516 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6519 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6521 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6523 * toplev.c (decode_W_option): Update warn_larger_than
6524 unconditionally for each processed switch.
6526 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6528 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6530 (hppa_expand_prologue): Delete code to save pic offset table register
6531 in the function prologue.
6532 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6533 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6534 table register at the beginning of the function after the prologue.
6536 2001-01-29 lars brinkhoff <lars@nocrew.org>
6538 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6540 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6541 Jeff Law <law@redhat.com>
6543 * pa.md (return): Revise comment for trivial return.
6544 (return_internal): Non-trivial return pattern for non-PIC code.
6545 (return_internal_pic): Non-trivial return pattern for PIC code.
6546 It uses the PIC register to ensure it is restored after
6548 (epilogue): Generate appropriate return for PIC and non-PIC code.
6550 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6552 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6554 2001-01-29 DJ Delorie <dj@redhat.com>
6556 * combine.c (if_then_else_cond): Pass the correct mode to
6557 operand_subword() for constants.
6559 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6561 * config/i386/cygwin.h: Add w32api to include search. Search different
6562 directories in a cross-build environment.
6564 2001-11-29 Tim Josling <tej@melbpc.org.au>
6566 * tree.h (TYPE_STUB_DECL): Add documentation.
6568 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6570 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6571 (sdbout_field_types): Likwise. Fix use of host_integerp.
6573 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6575 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6578 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6580 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6581 to use flag_gnu_linker.
6583 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6585 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6586 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6588 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6590 * tree.c, tree.h (build_parse_node): Remove; was identical to
6592 * c-lang.c (start_cdtor), objc/objc-act.c
6593 (build_module_descriptor): Use build_nt instead of
6596 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6598 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6599 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6600 not have any upper bits set.
6602 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6604 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6606 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6608 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6610 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6612 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6613 (integer_minus_one_node): Define.
6615 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6617 * Makefile.in (bootstrap2-lean): Fix typo.
6619 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6621 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6622 : Don't set fe_value.
6623 * cpplib.h (AVOID_LPASTE): New flag.
6624 (struct cpp_hashnode): Remove fe_value.
6625 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6626 * cppmacro.c (builtin_macro): Don't set flags here.
6627 (replace_args): Set AVOID_LPASTE flag on first token of an
6628 argument, and the token following it.
6629 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6630 macro expansion, and on the token following it. Do it for
6632 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6634 2001-01-27 Richard Henderson <rth@redhat.com>
6636 * config/alpha/t-ieee: Remove multilibbing.
6637 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6639 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6641 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6643 * Makefile.in: Remove all dependencies on defaults.h.
6644 * builtins.c: Don't include defaults.h.
6645 * c-common.c: Likewise.
6646 * c-decl.c: Likewise.
6647 * c-pragma.c: Likewise.
6648 * c-typeck.c: Likewise.
6649 * combine.c: Likewise.
6651 * frame-ia64.c: Likewise.
6652 * cppexp.c: Likewise.
6653 * crtstuff.c: Likewise.
6654 * dbxout.c: Likewise.
6655 * dwarf2out.c: Likewise.
6656 * dwarfout.c: Likewise.
6657 * emit-rtl.c: Likewise.
6658 * except.c: Likewise.
6660 * final.c: Likewise.
6661 * frame-dwarf2.c: Likewise.
6662 * libgcc2.c: Likewise.
6663 * optabs.c: Likewise.
6664 * profile.c: Likewise.
6665 * sdbout.c: Likewise.
6666 * toplev.c: Likewise.
6667 * tradcif.y: Likewise.
6669 * varasm.c: Likewise.
6671 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6673 * builtins.c (expand_builtin_fputs): Use size_one_node when
6674 transforming into fwrite.
6676 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6678 * extend.texi (Attribute Syntax): New section.
6680 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6682 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6683 they didn't need fixing.
6685 2001-01-27 Janis Johnson <janis@us.ibm.com>
6687 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6689 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6690 to remove macro definitions that are duplicated from elfos.h.
6692 2001-01-27 Richard Henderson <rth@redhat.com>
6694 * config/i386/sco5gas.h: Move ...
6695 * config/usegas.h: ... here.
6696 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6698 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6700 * c-typeck.c (struct constructor_stack): Add range_stack member.
6701 (really_start_incremental_init): Clear it.
6702 (push_init_level): Save constructor_range_stack and clear it if
6703 pushing explicit braces.
6704 (pop_init_level): abort if constructor_range_stack is non-zero at
6705 explicit closing brace. Restore saved constructor_range_stack if
6708 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6710 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6711 into register was forced into memory.
6713 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6715 * Makefile.in: Remove uses of + before $(MAKE).
6717 2001-01-26 Richard Henderson <rth@redhat.com>
6719 * stmt.c (cost_table): Remove.
6720 (COST_TABLE, cost_table_initialized): New.
6721 (estimate_case_costs): Use the later instead of the former.
6722 (balance_case_nodes): Likewise.
6724 2001-01-26 Richard Henderson <rth@redhat.com>
6726 * alias.c (objects_must_conflict_p): Read-only slots may not
6727 conflict despite having the same type.
6729 2001-01-27 Michael Hayes <mhayes@redhat.com>
6731 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6733 (check_ext_dependant_givs): Initialise u_start_val and
6735 (load_mems): Make last_max_reg unsigned.
6736 (try_swap_copy_prop): Use INSN_P and initialise set.
6738 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6740 * README.AVR : Removed.
6742 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6744 * pa-64.h (text_section): Remove declaration.
6746 * pa.md (return_internal): Remove mode on PIC register use.
6748 2001-01-25 lars brinkhoff <lars@nocrew.org>
6750 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6751 ASM_CLOSE_PAREN): fix typos.
6753 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6755 * acconfig.h: Define `const' to the empty string if neither
6756 __STDC__ nor __cplusplus is defined.
6757 * config.in: Regenerated.
6759 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6761 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6762 * collect2.c (main): Delete importf. Add ".obj" file extension.
6763 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6764 (aix_std_libs): Add additional AIX libraries to skip.
6765 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6766 * config/rs6000/aix51.h: New file.
6768 2001-01-25 Michael Hayes <mhayes@redhat.com>
6770 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6771 (loop_insn_emit_before): No longer static.
6772 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6773 (loop_givs_rescan, load_mems): Likewise.
6774 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6775 (maybe_eliminate_biv_1):
6776 (move_movables): Replace emit_call_insn_before with
6777 loop_call_insn_hoist.
6778 * loop.h (loop_insn_emit_before): Add.
6779 * unroll.c (copy_loop_body): Replace emit_insn_before with
6780 loop_insn_emit_before.
6782 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6784 * diagnostic.c (fatal): Request preprocessed source.
6786 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6788 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6789 olddecl has argument types and newdecl has none, use the argument
6792 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6794 * dwarf2out.c (prefix_of): New function. Determine longest common
6795 prefix of the two arguments. The units are whole path components.
6796 (output_file_names): When adding a new directory find the one entry
6797 with the longest common prefix already in the list. Artificially
6798 generate entry if there is none for this prefix.
6799 Fix test to check whether the zeroth directory entry is used.
6801 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6803 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6804 Changed all callers. Take it into account when deciding if a
6805 previously loaded value matches.
6807 2001-01-24 Richard Henderson <rth@redhat.com>
6809 * reload.c (find_reloads_subreg_address): Fail the substitution
6810 if the resulting address is insufficiently aligned.
6812 2001-01-24 DJ Delorie <dj@redhat.com>
6814 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6815 check the original operand's mode also.
6816 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6818 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6820 * c-parse.in (cast_expr): Move compound literals from here ...
6821 (primary): ... to here. Use standard terminology "compound
6822 literal" instead of "constructor expression".
6824 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6826 * gcc.1, cpp.1: Regenerate.
6828 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6830 * calls.c (emit_library_call_value_1): Memory slot for
6831 pass-by-reference argument should have the mode of the argument,
6832 not of the pointer to it.
6834 2001-01-24 Tom Tromey <tromey@redhat.com>
6836 * gcc.texi (G++ and GCC): Mention gcj manual.
6837 (Standards): Link to section of manual mentioning gcj/Java
6840 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6842 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6843 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6844 * tradcpp.c (main): Add -imacros or -include'd dependencies
6846 * cpp.texi (-M, -MM): Document -M -include behaviour.
6848 2001-01-24 Roger Collins <roger@ProProject.com>
6850 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6852 2001-01-24 Will Cohen <wcohen@redhat.com>
6854 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6855 whether registers are 32 bits or 64 bits in size.
6857 2001-01-24 Ben Elliston <bje@redhat.com>
6859 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6861 2001-01-24 Richard Henderson <rth@redhat.com>
6863 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6864 (builtin_longjmp): Use it instead of emit_indirect_jump.
6866 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6868 * bb-reorder.c (make_reorder_chain_1): Handle case where
6869 jump edge goes to the same block as the fallthru edge.
6871 2001-01-23 Jim Wilson <wilson@redhat.com>
6873 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6874 * frame.h (__ia64_personality_v1): Add prototype.
6875 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6876 prototype form. Add void * cast to first argument to personality
6878 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6879 (asctoe113): Likewise.
6880 * config/ia64/frame-ia64.c: Include eh-common.h.
6881 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6883 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6885 (itanium_split_issue): Add prototype.
6886 (gen_nop_type): Ifdef out.
6887 (find_best_packet): Initialize best_packet.
6888 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6890 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6891 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6892 (flushrs): Add explicit stop bit at end.
6893 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6896 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6898 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6900 * libgcc2.c (__terminate_func): Make variable static.
6901 (__terminate_set_func): New function to set __terminate_func.
6902 * libgcc2.h (__terminate_func_ptr): New typedef.
6903 (__terminate_set_func): New function.
6905 2001-01-23 Richard Henderson <rth@redhat.com>
6907 * flow.c (init_propagate_block_info): Don't consider unchanging
6908 memories for dead frame store elimination.
6910 2001-01-23 Richard Henderson <rth@redhat.com>
6912 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6913 * defaults.h: ... here.
6915 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6917 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6919 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6921 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6923 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6925 * rs6000.h (rs6000_return_addr): Move prototype from here...
6926 * rs6000-protos.h (rs6000_return_addr): ...to here.
6927 (rs6000_init_expanders): Delete prototype.
6929 2001-01-23 Nick Clifton <nickc@redhat.com>
6931 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6932 (Spec Files): Document %B and %j and %. and %v3 and %M and
6933 %{S*&T} spec switches.
6935 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6937 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6939 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6940 Neil Booth <neil@daikokuya.demon.co.uk>
6942 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6943 Have -Werror make pedantic warnings errors, like the
6946 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6948 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6950 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6952 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6953 * integrate.c (expand_inline_function): Initialize them.
6954 (subst_constants): If changing COMPARE so that both its arguments
6955 will be VOIDmode and the comparison mode will be lost, note
6956 compare_mode. Use the recorded compare_mode to optimize
6959 2001-01-23 Jason Merrill <jason@redhat.com>
6961 * dwarf2out.c (new_die): Use xcalloc.
6962 (output_die): Abort rather than emit a local reference to offset 0.
6964 2001-01-17 Andrew Haley <aph@redhat.com>
6966 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6967 of a saved register; return NULL instead.
6968 (copy_reg): Take a pointer to a source register rather than a
6970 (next_stack_level): Remember the address in the stack frame of all
6972 Use the saved register pointer array as the source of the CFA.
6973 (throw_helper): Rewrite. Unwind once rather than twice and keep
6974 track of saved registers as we go.
6976 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6978 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6979 * c4x.c (c4x_legitimize_reload_address): Remove.
6980 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6981 reload address for ldp(k) insn.
6983 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6985 * pa.md (return_internal): Add a USE of the PIC register to ensure
6986 it is restored after each call.
6987 (return expander): Corresponding changes.
6989 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6991 * rs6000.h (INIT_EXPANDERS): Delete.
6992 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6993 * rs6000.c (rs6000_override_options): Call *_machine_status from
6995 (rs6000_init_expanders): ...instead of here. Delete.
6996 (rs6000_mark_machine_status): New function.
6997 (rs6000_init_machine_status): Use xcalloc.
6998 (rs6000_return_addr): Generate RTX for the return address.
6999 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7000 (rs6000_stack_info): Use it.
7002 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7004 * gthr-win32.h: Include errno.h to get a declaration for
7005 EINVAL and _mingw.h if the target is mingw32.
7007 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7009 * cpp.texi: Correct typos.
7011 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7013 * explow.c (probe_stack_range): Ensure value passed to
7014 stack_check_libfunc is ptr_mode, not Pmode.
7016 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7018 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7019 case, don't use operand_subword to calculate a SUBREG that is
7022 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7024 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7026 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7027 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7028 valid. If not replace it by equivalent insns.
7030 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7032 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7033 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7034 (c4x_U_constraint, symbolic_address_operand): Likewise.
7035 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7037 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7038 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7039 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7040 anulling slot because of silicon bug.
7041 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7043 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7045 * cppexp.c (parse_charconst): Change `mask' type to agree
7048 2001-01-21 Richard Henderson <rth@redhat.com>
7050 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7051 pic_label_name in a linkonce section.
7053 2001-01-17 Philipp Thomas <pthomas@suse.de>
7055 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7057 * configure: Regenerate.
7059 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7061 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7062 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7064 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7066 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7067 If REVERSE nonzero then condition code in X must be reversed.
7068 (encode_section_info): Optimise if/else.
7069 (avr_function_value): Fix formatting.
7071 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7072 (difficult_branch): Likewise.
7073 (rvbranch): Likewise.
7074 (difficult_rvbranch): Likewise.
7076 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7078 * config/avr/libgcc.S: Fix comment.
7080 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7082 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7084 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7086 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7088 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7090 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7091 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7092 * configure, config.in: Regenerate.
7093 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7094 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7095 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7096 (doprint.o): New rule.
7098 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7100 * c-typeck.c (digest_init): Handle boolean types as scalars.
7102 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7104 * stmt.c (expand_return): Don't return anything if size is zero.
7105 Delete redundant assignment to BYTES.
7106 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7108 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7110 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7111 the same as the default library function names.
7112 * config/avr/avr.md: Document special characters after '%'.
7113 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7114 knowing which of the call-used registers are really clobbered.
7115 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7116 New. Both quotient and remainder from one libgcc.S call.
7117 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7118 clobber as few registers as possible.
7119 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7121 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7123 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7124 context of the top of the stack.
7126 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7128 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7129 (fixup_var_refs_insns): ...here.
7131 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7133 * function.c (fixup_var_refs_insns): Break up into
7134 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7135 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7136 [loop over hash table entries].
7137 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7138 fixup_var_refs_insns_with_hash, to match above changes.
7140 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7142 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7143 (libgcc.a): Likewise.
7144 (stmp-multilib): Likewise.
7145 (STAGE2_FLAGS_TO_PASS): Likewise.
7147 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7149 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7150 temporary if no_new_pseudos.
7152 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7154 * cppinternals.texi: Update.
7156 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7158 * arm.c (arm_init_builtins): Re-enable builtins.
7160 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7162 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7163 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7164 element to be null, and always expect an EXPR_LIST.
7165 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7166 * sched-deps.c (sched_analyze_1): Likewise.
7167 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7169 * regclass.c (max_set_parallel): New variable.
7170 (reg_scan): Take it into account in computation of max_parallel.
7171 (reg_scan_mark_refs, case SET): Compute it.
7173 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7175 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7176 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7178 2001-01-19 Jason Merrill <jason@redhat.com>
7180 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7181 for the abstract instance of an inline function.
7183 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7184 J"orn Rennecke <amylaar@redhat.com>
7186 * reload1.c (move2add_note_store): Treat all registers directly or
7187 indirectly derived from a base register as members of the same set
7189 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7190 of base register into account.
7192 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7194 * alias.c (find_base_value): Recognize TRUNCATE.
7195 (record_set): In PLUS case, invalidate if other summand is also a
7198 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7200 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7201 entry to be EXPR_LIST.
7202 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7203 be an EXPR_LIST (but not null, which other code doesn't allow).
7204 (note_stores): Properly handle PARALLEL in SET.
7205 Recursively call for top-level PARALLEL.
7206 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7207 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7209 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7211 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7213 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7214 not pfile->skipping (== 0).
7216 2001-01-17 Nick Clifton <nickc@redhat.com>
7218 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7221 2001-01-17 Jim Wilson <wilson@redhat.com>
7223 * invoke.texi (IA-64 options): Improve.
7225 2001-01-17 Tom Tromey <tromey@redhat.com>
7227 * invoke.texi (Optimize Options): Use `{}' to around @samp
7230 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7232 * invoke.texi (-fno-guess-branch-probability): New option.
7234 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7236 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7237 case of making new double-word constant.
7238 Revert last change: instead just test i3_subst_into_i2.
7240 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7242 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7243 Use q constraints instead of r.
7245 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7247 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7248 (machine_function): Define.
7249 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7250 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7251 pa_free_machine_status): New functions.
7252 (override_options): Set {init,mark,free}_machine_status to above.
7253 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7254 PIC_OFFSET_TABLE_REGNUM_SAVED.
7255 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7256 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7257 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7258 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7259 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7261 2001-01-15 DJ Delorie <dj@redhat.com>
7263 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7267 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7269 * flow.c (propagate_on_insn): Make trying to delete a prologue
7270 or epilogue insn an ICE, not a warning. Allow doing this if
7271 the current function returns with stack pointer depressed.
7273 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7274 I3 having more than one SET.
7276 2001-01-16 Jim Wilson <wilson@redhat.com>
7278 * invoke.texi: Document IA-64 options.
7280 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7281 (fixup_errata): Delete TARGET_A_STEP use.
7282 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7283 (TARGET_SWITCHES): Delete -ma-step option.
7284 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7285 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7286 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7287 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7288 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7289 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7291 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7292 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7293 cmovsi_internal): Delete ! TARGET_A_STEP check.
7295 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7297 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7298 possibility to report bugs via postal mail. Change a URL and
7299 merge in a nearly duplicate statement...
7300 (Bug Reporting): ...from here.
7301 (Service): Refer to the Bug Reporting section instead of
7303 (Contributing): Remove trivial explanations concerning snapshots.
7305 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7307 * cppmain.c (general_init): Don't use ANSI prototype.
7309 2001-01-16 Tom Tromey <tromey@redhat.com>
7311 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7313 2001-01-16 Richard Henderson <rth@redhat.com>
7315 * config/i386/i386.h: Fix comment typo.
7316 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7317 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7319 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7321 * gcc.c: Revert previous -fsyntax-only-related change; move
7324 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7326 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7327 inmode after checking GET_CODE (op).
7329 2001-01-16 Richard Henderson <rth@redhat.com>
7331 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7332 (MAX_MEM_SET_LIST_LEN): New.
7333 (propagate_one_insn): Update mem_set_list_len.
7334 (invalidate_mems_from_autoinc): Likewise.
7335 (invalidate_mems_from_set): Likewise.
7336 (mark_used_regs): Likewise.
7337 (init_propagate_block_info): Likewise. Stop collecting memories
7338 when we reach MAX_MEM_SET_LIST_LEN.
7339 (mark_set_1): Likewise.
7341 2001-01-16 Richard Henderson <rth@redhat.com>
7343 * unroll.c (precondition_loop_p): Fail if no iteration
7346 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7348 * gcc.c: When -fsyntax-only is given, do not complain about
7351 2001-01-15 Richard Henderson <rth@redhat.com>
7353 * config/i386/i386.c (asm_output_function_prefix): Remove.
7354 (ix86_asm_file_end): New.
7355 (load_pic_register): Generate pic_label_name into a
7356 staticly allocated buffer.
7357 * config/i386/i386-protos.h: Update.
7358 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7359 (ASM_FILE_END): New.
7360 * config/i386/i386afe.h: New file.
7361 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7362 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7363 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7364 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7365 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7366 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7367 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7369 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7371 * Makefile.in (install-man): Remove explicit dependency on
7374 * configure.in, configure: Revert previous patch requiring perl
7377 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7379 * toplev.c (flag_guess_branch_prob): New.
7380 (f_options): Add guess-branch-probability option.
7381 (rest_of_decl_compilation): Only estimate branch probability if
7383 (main): set flag_guess_branch_prob.
7385 * flags.h (flag_guess_branch_prob): New.
7387 2001-01-15 DJ Delorie <dj@redhat.com>
7389 * gcc.texi (Makefile): Add documentation for Makefile targets.
7391 2001-01-15 Philip Blundell <philb@gnu.org>
7393 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7395 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7396 (is_pic): Delete declaration.
7397 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7398 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7399 * config/arm/arm.md (builtin_setjmp_receiver): New.
7401 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7403 * arm.c (use_return_insn): Don't try to determine the function type
7404 until after reload has completed.
7405 (arm_output_epilogue): Don't adjust the sp value recovered from the
7407 (emit_multi_reg_push): Don't record dwarf information for the pc.
7408 * arm.md (eh_epilogue): The function type may have changed, so it
7409 needs to be recalculated.
7410 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7411 unwind tables on arm/netbsd.
7413 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7415 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7416 (negated_cbranchsi4): Likewise.
7418 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7420 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7421 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7422 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7423 pass -mapcs-* options to assembler.
7424 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7425 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7426 (ASM_SPEC): Call subtarget_extra_asm_spec.
7428 2001-01-15 Andreas Jaeger <aj@suse.de>
7430 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7432 (ix86_expand_builtin): Likewise.
7434 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7435 warning about comparison between signed and unsigned.
7437 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7439 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7441 2001-01-14 Ralf Baechle <ralf@gnu.org>
7443 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7444 SUBTARGET_CPP_SPEC apropriatly.
7446 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7448 * varasm.c (make_decl_rtl): Fix typo in last change.
7450 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7452 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7453 linker supports the init_priority C++ attribute.
7454 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7455 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7456 linker does not support init_priority C++ attribute.
7458 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7460 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7462 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7464 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7465 * cp/lex.c (finish_parse): Similarly.
7466 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7467 Return the number of errors encountered.
7468 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7469 * cppmain.c (main): Don't call cpp_destroy.
7471 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7473 * configure.in: Require at least perl 5.6.0 to regenerate
7475 * configure: Regenerate.
7477 2001-01-14 Richard Henderson <rth@redhat.com>
7479 * genrecog.c (DT_veclen_ge): New.
7480 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7481 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7482 (nodes_identical_1): Handle DT_veclen_ge.
7483 (write_cond, debug_decision_2): Likewise.
7485 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7487 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7489 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7491 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7493 * cppmain.c (do_preprocessing): New function; most of the old
7495 (main): Call it to do most of the work.
7496 (cb): Move from global scope to set_callbacks ().
7497 (setup_callbacks): Get the callback pointer.
7498 (general_init, printer_init): Clean up code and comments.
7500 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7502 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7505 2001-01-14 Kazu Hirata <kazu@hxi.com>
7507 * config/h8300/h8300.c (get_shift_alg): Update comments.
7509 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7511 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7512 (alloc_page, ggc_alloc): Add casts to remove warnings.
7514 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7516 * combine.c (simplify_comparison): Don't change `code' when
7517 can't reverse comparison.
7519 2001-01-14 Richard Henderson <rth@redhat.com>
7521 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7522 update all call sites. Return true for all non-label constants.
7524 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7526 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7528 (ix86_expand_branch): Update.
7529 (ix86_expand_setcc): Update to handle multiple test conditions.
7530 (expand_int_movcc): Likewise.
7531 (expand_fp_movcc): Likewise.
7532 * i386-protos.h (ix86_expand_compare): New.
7533 * i386.md (andqi_?_slp, orqi_?_slp): New.
7534 (conditional trap expander): Update call to ix86_expand_compare.
7536 2001-01-14 Richard Henderson <rth@redhat.com>
7538 * config/vax/vax.md: Use nonimmediate_operand instead of
7539 general_operand in destinations.
7541 * config/vax/vax.md (indirect_jump): Use register_operand.
7543 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7544 * config/vax/vax.md (call_pop): Turn into an expander.
7545 (call_value_pop): Likewise.
7546 (call, call_value): New.
7548 2001-01-14 Andreas Jaeger <aj@suse.de>
7550 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7552 (ix86_fp_compare_mode): Add unused attribute.
7553 (ix86_expand_fp_movcc): Remove unused variable.
7554 (ix86_expand_builtin): Make fcode unsigned.
7556 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7557 (expand_expr): Add cast to avoid signed warning.
7558 (store_field): Likewise.
7559 (store_constructor_field): Likewise.
7560 (store_constructor): Likewise.
7561 (store_expr): Likewise.
7562 (clear_storage): Likewise.
7563 (emit_group_store): Likewise.
7564 (emit_group_load): Likewise.
7566 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7568 * c-common.c: Move format checking code to ...
7569 * c-format.c: ... here. New file. Reorder some functions and
7571 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7573 * c-common.h (decl_handle_format_attribute,
7574 decl_handle_format_arg_attribute): Declare.
7575 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7576 (c-common.o): Adjust dependencies.
7577 (c-format.o): New list of dependencies.
7579 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7581 * unroll.c (loop_iterations): If we cannot prove iteration variable
7582 is set once in each iteration, punt.
7584 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7586 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7587 (*strlenhi): Remove clobber (which was buggy) of output address.
7589 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7591 * Makefile.in (generated-manpages): Add gcc.1
7592 ($(srcdir)/gcc.1): New target.
7593 (maintainer-clean): Delete $(srcdir)/gcc.1.
7594 * gcc.texi: Add macros @gccoptlist and @gol.
7595 * invoke.texi: Include option summary in manpage. Mark up option
7596 summary with @gccoptlist and @gol. Use @r in one place where
7598 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7599 * gcc.1: Generate from invoke.texi.
7601 2001-01-13 Richard Henderson <rth@redhat.com>
7603 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7604 (struct page_entry): Add group member.
7605 (struct page_group): New.
7606 (struct globals): Add page_groups member.
7607 (alloc_anon): Only define for using mmap; remove valloc call.
7608 (page_group_index): New.
7609 (set_page_group_in_use): New.
7610 (clear_page_group_in_use): New.
7611 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7612 (free_page, release_pages): Likewise.
7613 * configure.in (with-gc): Default to ggc-page always.
7615 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7617 * reload1.c (replace_pseudos_in_call_usage): Use
7618 reg_equiv_constant and reg_equiv_address, and don't try
7619 regno_reg_rtx first.
7621 2001-01-13 Richard Henderson <rth@redhat.com>
7623 * ggc-page.c (alloc_page): Round up allocation size to one page.
7624 Set e->order on extra pages.
7626 2001-01-13 Richard Henderson <rth@redhat.com>
7628 * genrecog.c (nodes_identical): Expand commentary.
7629 (write_switch): Watch out for identical nodes.
7631 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7633 * cppfiles.c (_cpp_fake_include): New function.
7634 * cpphash.h (_cpp_fake_include): New.
7635 * cpplib.c (do_line): Call _cpp_fake_include when entering
7636 header files in preprocessed input.
7637 * cppmain.c (cb_pragma_implementation): Remove handling.
7638 (setup_callbacks): Don't register pragmas.
7640 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7642 * extend.texi: Udate for CPP.
7644 2001-01-13 Andreas Jaeger <aj@suse.de>
7646 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7648 * regmove.c: Add prototype for replace_in_call_usage.
7650 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7652 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7653 struct cpp_chunk, struct htab, struct toklist,
7654 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7655 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7656 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7657 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7658 (struct macro_args): Delete.
7659 * cpphash.h: See above.
7661 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7663 * cppmain.c (struct printer): Remove no_line_dirs.
7665 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7666 : Use options rather than CPP_OPTION.
7667 (setup_callbacks): Use cb rather than pfile->cb.
7668 (main): No need to check for a buffer. Use cpp_errors.
7669 (printer_init): Don't set no_line_dirs.
7670 (maybe_print_line): Use options not no_line_dirs.
7671 (cb_file_change): Don't call print_line if -P.
7673 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7675 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7677 * c-parse.in (finish_parse): Use cpp_errors.
7678 (__yylex): Use return value of cpp_pop_buffer.
7679 * cp/lex.c (finish_parse): Use cpp_errors.
7680 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7682 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7684 * README.AVR: URLs corrected.
7686 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7688 * c-decl.c (start_function): Don't warn if old prototype is builtin
7689 that's not in C's namespace.
7690 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7691 (_bb): Add prototype for ctime.
7692 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7694 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7696 * i386.c (ix86_fp_comparison_arithmetics_cost,
7697 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7698 ix86_fp_comparison_cost): New functions.
7699 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7700 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7701 two-branch sequences; make static.
7702 (ix86_use_fcomi_compare): Do decision according to the costs.
7703 (split_fp_branch): New.
7704 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7705 * i386-protos.h (ix86_expand_fp_compare): Remove
7706 (ix86_split_fp_branch): Declare.
7708 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7709 and ix86_comparison_operator.
7711 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7714 * i386.c (put_condition_code): Output properly the unordered/ordered
7715 compares in fp case.
7716 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7718 * tm.texi (REVERSE_CONDITION): Document.
7719 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7720 in -ffast-math mode.
7721 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7723 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7725 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7727 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7730 * config/sh/sh.c (mova_p): Fix test for mova_const.
7732 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7734 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7735 cpp_get_options rather than dereferencing pfile and using
7737 * scan-decls.c (scan_decls): Use return value of
7738 cpp_pop_buffer rather than CPP_BUFFER.
7740 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7742 * cppinit.c (cpp_handle_option): help_only is now part of the
7743 cpp_options structure.
7744 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7745 cpp_set_callbacks): New functions.
7746 * cpplib.h (cpp_callbacks): Break out as a named structure.
7747 (cpp_options): Move help_only here from cpp_reader.
7748 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7749 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7750 cpp_set_callbacks): New prototypes.
7751 * cppmain.c (main): Update for help_only.
7753 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7755 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7756 Also build and remove and install and uninstall c-tree.info and
7758 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7759 ($(srcdir)/cppinternals.info): New target.
7760 * c-tree.texi: Change file name used when makeinfo used without -o
7761 from ir.info to c-tree.info. Add info directory entry.
7762 * cppinternals.texi: Add info directory entry.
7763 * .cvsignore: Update.
7765 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7767 * c-typeck.c (store_init_value): Don't require constant initializer
7768 elements with -pedantic -std=c99.
7769 (digest_init): Change error about non-constant initializer elements
7771 (constructor_range_end): Remove.
7772 (constructor_incremental, designator_depth,
7773 designator_errorneous): New variables.
7774 (struct constructor_stack): Remove range_end, add incremental.
7775 (struct constructor_range_stack, constructor_range_stack): New.
7776 (struct initializer_stack): Add constructor_range_stack.
7777 (finish_init): Set it.
7778 (start_init): Likewise. require_constant_elements for non-static
7779 trees only if not flag_isoc99.
7780 (really_start_incremental_init): Remove constructor_range_end, add
7781 constructor_incremental.
7782 (pop_init_level): Likewise.
7783 (push_init_level): Likewise. If implicit and the subobject had some
7784 value set already, preinitialize the level with it.
7785 Warn about missing braces only if not pushing due to designators.
7786 (set_designator, push_range_stack): New functions.
7787 (set_init_label): Use them.
7788 (set_init_index): Likewise. Remove constructor_range_end.
7789 Error if designator index is outside of array bounds.
7790 (add_pending_init): Compare values of purpose index trees, not the
7791 trees themselves. Allow overwriting of already initialized element.
7792 Issue a warning if it had side-effects.
7793 (set_nonincremental_init, set_nonincremental_init_from_string): New
7795 (pending_init_member): Rename to...
7796 (find_init_member): ...this function. Call set_nonincremental_init
7797 if necessary. Compare values of purpose index trees, not the trees
7798 themselves. Return the actual value, not just non-zero if something
7800 (output_init_element): Remove checks for duplicates.
7801 If field has zero size, only check the initializer for correctness.
7802 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7803 if constructor_incremental is zero. Change error about initializers
7804 not computable at load time into pedwarn.
7805 (output_pending_init_elements): Compare bit positions, not
7806 FIELD_DECLs to take into account zero-sized fields.
7807 (process_init_element): Use constructor_range_stack to fill all
7808 ranges in the designator lists from current level up.
7809 * extend.texi: Update documentation for labeled elements.
7811 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7813 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7814 to function usage for arguments passed by reference. Optimize
7815 callee-copied arguments.
7816 * regmove.c (replace_in_call_usage): New function.
7817 (fixup_match_1): Call it.
7818 * cse.c (cse_insn): Canonicalize registers in function usage.
7819 * reload1.c (replace_pseudos_in_call_usage): New function.
7822 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7825 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7827 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7830 2001-01-12 DJ Delorie <dj@redhat.com>
7832 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7833 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7836 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7838 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7839 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7840 -std options alongside references to -ansi. Update some
7841 documentation for C99.
7842 * cpp.1: Regenerate.
7844 2001-01-12 Andreas Jaeger <aj@suse.de>
7846 * haifa-sched.c (restore_line_notes): Remove argument block B
7848 * sched-ebb.c (schedule_ebb): Change caller.
7849 * sched-rgn.c (schedule_region): Likewise.
7850 * sched-int.h (restore_line_notes): Adjust prototype.
7852 * loop.h: Remove wrong declaration of doloop_condition_get.
7854 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7856 * extend.texi: Move C++-extension-related node from the C section
7857 into the C++ section.
7859 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7861 * extend.texi: Refer to an array of pointers to functions instead
7862 of one of functions.
7864 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7865 Jan Hubicka <jh@suse.cz>
7867 * combine.c (reversed_comparison): Fix typo in last patch.
7869 (combine_reversed_comparison_code): Make static to follow
7870 prototype declaration.
7872 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7874 * install.texi: Remove misplaced duplicate entry.
7876 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7878 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7880 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7882 * final.c: (leaf_function_p): Fix typo.
7884 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7886 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7887 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7889 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7890 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7891 mmap_anon, and valloc is available.
7892 * ggc-page.c: Restructure ifdef logic to match new autoconf
7893 spec. Don't throw away the test page in init_ggc.
7895 * configure, config.in: Regenerate.
7897 2001-01-12 Michael Hayes <mhayes@redhat.com>
7899 * loop.h (total_biv_increment): Constify iv_class pointer.
7900 (struct induction): Replace `mem_mode' with `mem' rtx.
7901 * unroll.c (total_biv_increment): Constify iv_class pointer.
7902 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7903 (find_mem_givs, combine_givs_p): Likewise.
7904 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7906 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7908 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7910 (__gthread_getspecific): Ditto.
7912 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7914 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7915 put_condition_code): Convert fp comparison codes to integer
7917 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7920 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7921 * i386-protos.h (no_comparison_operator): Kill.
7923 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7925 * combine.c (REVERSIBLE_CC_MODE): Remove.
7926 (reversible_comparison_p): Remove.
7927 (combine_reversed_comparison_code): New.
7928 (reversed_comparison): New.
7929 (combine_simplify_rtx): Use
7930 combine_reversed_comparison_code/reversed_comparison instead
7931 of reversible_comparison_p.
7932 (simplify_if_then_else): Likewise.
7933 (simplify_set): Likewise.
7934 (simplify_logical): Likewise.
7935 (if_then_else_cond): Likewise.
7936 (known_cond): Likewise.
7937 (simplify_comparison): Likewise.
7939 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7941 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7942 sizeof (int) is larger than sizeof(__word__).
7944 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7946 * cppinit.c (do_includes): Fix typo.
7948 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7950 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7951 in S_REGS does not occur because not all sources are possible
7952 when a S_REGS is a destination (sometimes needs a clobber).
7953 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7954 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7955 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7956 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7957 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7958 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7959 (lshrdi_const1, lshrsi3_const16): Likewise.
7960 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7961 (*movhi_68hc12, *movqi_68hc12): Likewise.
7962 (movstrictqi): Make sure reloading in D_REGS as a destination
7965 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7967 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7969 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7971 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7972 -D, -U and -A, and don't initialize the builtins.
7973 (do_includes): Error if -include or -imacros with -fpreprocessed.
7974 * cppmain.c (cb_define, cb_undef): Unconditionally process
7976 * tradcpp.c (main): Fix typo.
7978 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7980 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7981 (read_name_map): Use IS_ABSOLUTE_PATH.
7982 * tradcpp.c (get_filename): Likewise.
7984 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7986 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7987 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7988 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7989 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7990 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7991 (cmphi_z_used): Don't use '@' for the output.
7992 (tstqi_z_used): Likewise.
7993 (cmpqi_z_used): Likewise.
7994 (one_cmplsi2): Likewise.
7996 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7998 * config/sh/sh.c (barrier_align): Recognize branch around far
7999 branch and redundant insn.
8001 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8003 * invoke.texi: Restore documentation of the drivers' switches -MD
8006 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8008 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8010 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8011 check-objc//%): Support parallel testing of multilibs.
8012 (TESTSUITEDIR): Set to testsuite by default, but override for
8014 (check-gcc, check-g++, check-g77, check-objc): Enter
8017 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8019 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8020 * sched-deps.c (deps_may_trap_p): Likewise.
8021 * basic-block.h: Remove a comment.
8022 * flow.c (PROP_POSTRELOAD): Remove.
8023 (update_life_info): Don't add it to prop_flags.
8024 (mark_set_1): Lose the code that was enabled by it.
8026 2001-01-11 Michael Hayes <mhayes@redhat.com>
8028 * flow.c (flow_call_edges_add): New.
8029 * basic_block.h (flow_call_edges_add): New.
8031 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8033 * reload1.c (move2add_note_store): Update reg_set_luid even if
8034 base reg remains the same.
8036 2001-01-10 Nick Clifton <nickc@redhat.com>
8038 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8039 machine_function structure to zero.
8040 Add prototypes for machine_status functions.
8042 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8044 * c-common.h (CTI_VOID_LIST): Remove.
8045 (void_list_node): Likewise.
8046 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8047 (void_list_node): New macro.
8048 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8049 * config/i386/i386.c (ix86_init_builtins): Likewise.
8050 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8052 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8054 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8055 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8057 * tradcpp.c: Include mkdeps.h.
8058 (deps, print_deps_phony_targets, deps_append, output_deps,
8059 init_dependency_output, output_deps): New.
8060 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8061 deps_output): Delete.
8062 (print_deps_missing_files): Rename deps_missing_files.
8063 (inhibit_output): Make global.
8064 (main): Delete inhibit_output, deps_stream, deps_target.
8065 Use mkdeps functionality in the same way as cpplib. Remove
8066 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8067 -M and -MM. Remove old handling of deps via deps_out, and
8068 old reading of environment variables.
8069 (get_filename): Update to use deps_add_dep.
8071 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8073 * output.h (make_function_rtl): Remove prototype.
8074 (make_decl_rtl): Likewise.
8075 * varasm.c (make_function_rtl): Remove.
8076 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8077 than from a third parameter.
8078 * tree.h (make_decl_rtl): Remove last parameter.
8079 * c-decl.c (builtin_function): Remove last argument in call to
8080 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8081 (start_function): Likewise.
8082 * except.c (call_get_eh_context): Likewise.
8083 * expr.c (emit_block_move): Likewise.
8084 (clear_storage): Likewise.
8085 * profile.c (output_func_start_profiler): Likewise.
8086 * toplev.c (rest_of_decl_compilation): Likewise.
8087 * objc/objc-act.c (create_builtin_decl): Likewise.
8088 (synth_module_prologue): Likewise.
8089 (generate_static_reference): Likewise.
8090 (build_selector_reference_decl): Likewise.
8091 (build_class_reference_decl): Likewise.
8092 (build_objc_string_decl): Likewise.
8093 (build_protocol_reference): Likewise.
8095 2001-01-10 Richard Henderson <rth@redhat.com>
8097 * hwint.h: Revert yesterday's change.
8099 2001-01-10 Nick Clifton <nickc@redhat.com>
8101 * function.h (save_machine_status): Delete.
8102 (restore_machine_status): Delete.
8103 Amend comment describing {init|mark|free}_machine_status.
8105 * function.c (save_machine_status): Delete.
8106 (restore_machine_status): Delete.
8107 Amend comment describing {init|mark|free}_machine_status.
8108 (push_function_context_to): Remove invocation of
8109 save_machine_status.
8110 (pop_function_context_from): Remove invocation of
8111 restore_machine_status.
8113 * emit-rtl.c (init_emit_once): Amend comment describing
8114 {init|mark|free}_machine_status.
8116 * tm.texi (Per-Function Data): New node. Describe the
8117 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8120 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8122 * cppinit.c (OPT_g): Remove.
8123 (cpp_handle_option): Update for removed -g3.
8124 (print_help): Update.
8125 * cpplib.h (struct cpp_options): Remove debug_output.
8126 * cppmain.c (setup_callbacks, cb_define): Update.
8127 * gcc.c (cpp_options): Translate -g3 to -dD.
8129 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8131 * config/i960/i960.md: Change modifier to + on the zero_extract
8132 pattern after the (rotate -2 reg) canonicalization pattern.
8134 2001-01-10 Richard Henderson <rth@redhat.com>
8136 * config/alpha/alpha.c (alpha_free_machine_status): New.
8137 (override_options): Install it.
8138 (alpha_mark_machine_status): Verify machine non-null.
8139 * config/i386/i386.c (ix86_free_machine_status): New.
8140 (override_options): Install it.
8141 (ix86_init_machine_status): Use xcalloc.
8142 (ix86_mark_machine_status): Verify machine non-null.
8143 * config/ia64/ia64.c (ia64_free_machine_status): New.
8144 (ia64_override_options): Install it.
8145 (ia64_mark_machine_status): Verify machine non-null.
8147 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8149 * function.c (instantiate_virtual_regs): Instantiate virtual
8150 registers found in CALL_INSN_FUNCTION_USAGE.
8152 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8154 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8155 equivalent to -ansi in disabling -Di386.
8157 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8159 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8161 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8163 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8165 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8167 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8169 * invoke.texi: Document that -fcond-mismatch isn't supported for
8172 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8174 * gcc.texi: Define macro gcctabopt.
8175 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8176 @command, @env and @option in some places where appropriate. Use
8177 @gcctabopt where appropriate. Put URLs and email addresses inside
8180 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8182 * gcc.c (cpp_options): Set MD file name from output
8183 filename, if specified.
8184 (suffix_subst): New static variable.
8185 (do_spec): Clear it.
8186 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8188 (give_switch): Handle suffix_subst.
8190 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8192 * invoke.texi: Fix another typo.
8194 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8196 * invoke.texi: Fix typo.
8198 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8200 * c-lang.c (lang_hooks): Update.
8201 (lang_decode_option): Remove.
8202 (lang_init_options): Rename c_init_options.
8203 * toplev.c (main): Use lang_hooks for lang_init_options
8204 and lang_decode_option.
8205 * toplev.h (lang_hooks): Add 2 new hooks.
8206 * tree.h: Remove lang_init_options and lang_decode_option.
8207 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8208 * cp/decl2.c: Similarly.
8209 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8210 (lang_hooks): Update.
8211 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8213 (lang_init_options): Rename ffe_init_options.
8214 (lang_hooks): Update.
8215 (lang_decode_option): Remove.
8216 * java/lang.c (lang_init_options): Rename java_init_options.
8217 (lang_decode_option): Rename java_decode_option.
8218 (lang_hooks): Update.
8219 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8220 (lang_decode_option): Rename objc_decode_option.
8221 (lang_hooks): Update.
8223 2001-01-09 Nick Clifton <nickc@redhat.com>
8225 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8226 (d30v_return_addr_rtx): Delete.
8227 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8228 cfun->machine structure.
8229 (struct machine_function): Move to d30v.h
8230 (d30v_save_machine_status): Delete.
8231 (d30v_restore_machine_status): Delete.
8232 (d30v_init_machine_status): New Function.
8233 (d30v_mark_machine_status): New Function.
8234 (d30v_free_machine_status): New Function.
8235 (d30v_init_expanders): Use new functions.
8236 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8237 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8238 d30v_return_addr_rtx.
8240 * config/d30v/d30v.h (struct_machine): Move here.
8241 Add eh_epilogue_sp_ofs field.
8243 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8244 field in cfun->machine structure.
8246 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8248 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8249 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8250 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8252 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8254 * objc/lang-options.h: Remove bogus reference to
8257 2001-01-09 Kazu Hirata <kazu@hxi.com>
8259 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8262 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8264 * reload.c (find_reloads_address): Check for eliminable registers
8265 when substituting a constant expression for a pseudo.
8267 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8269 * c-common.c (enum format_type): Add format_type_error.
8270 (decode_format_type): New function.
8271 (decl_attributes): Use it.
8272 (format_kind_info): Adjust comment.
8274 2001-01-09 David O'Brien <obrien@BSDi.com>
8276 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8277 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8279 * config/i386/gnu.h: Don't include required platform specific .h files,
8280 tm.h will do it instead.
8281 * config/i386/i386elf.h: Likewise.
8282 * config/i386/linux.h: Likewise.
8283 * config/i386/moss.h: Likewise.
8284 * config/mips/gnu.h: Likewise.
8286 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8288 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8289 (rs6000-ibm-aix3.[01]*): Likewise.
8290 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8291 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8292 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8293 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8294 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8295 (powerpc-*-eabiaix*): Likewise.
8296 (powerpc-*-eabisim*): Likewise.
8297 (powerpc-*-elf*): Likewise.
8298 (powerpc-*-eabi*): Likewise.
8299 (powerpc-*-rtems*): Likewise.
8300 (powerpc-*-linux*libc1): Likewise.
8301 (powerpc-*-linux*): Likewise.
8302 (powerpc-wrs-vxworks*): Likewise.
8303 (powerpcle-wrs-vxworks*): Likewise.
8304 (powerpcle-*-sysv*): Likewise.
8305 (powerpcle-*-elf*): Likewise.
8306 (powerpcle-*-eabisim*): Likewise.
8307 (powerpcle-*-eabi*): Likewise.
8308 (powerpcle-*-solaris2*): Likewise.
8309 * config/rs6000/aix31.h: Delete includes.
8310 * config/rs6000/aix3newas.h: Likewise.
8311 * config/rs6000/aix41.h: Likewise.
8312 * config/rs6000/aix43.h: Likewise.
8313 * config/rs6000/beos.h: Likewise.
8314 * config/rs6000/rtems.h: Likewise.
8315 * config/rs6000/sysv4.h: Likewise.
8317 2001-01-09 Kazu Hirata <kazu@hxi.com>
8319 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8320 Change an argument mode of machine_mode to shift_mode of
8321 shift_mode. Remove an extra error check.
8322 (emit_a_shift): Adopt to the new calling prototype of
8324 (function_prologue): Fix code for a monitor
8325 function. Support H8/S.
8326 (function_epilogue): Do not output pop for a monitor function.
8328 2001-01-09 Nick Clifton <nickc@redhat.com>
8330 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8331 (setup_incoming_varargs): Use sysv_varargs_p field of the
8332 cfun->machine structure.
8333 (struct machine_function): Move to rs6000.h
8334 (rs6000_save_machine_status): Delete.
8335 (rs6000_restore_machine_status): Delete.
8336 (rs6000_init_machine_status): New Function.
8337 (rs6000_free_machine_status): New Function.
8338 (rs6000_init_expanders): Use new functions.
8340 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8342 (struct machine_function): Move here.
8344 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8345 sysv_varargs_p field of the cfun->machine structure.
8347 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8349 (rs6000_restore_machine_status): Remove prototype.
8351 2001-01-09 Richard Henderson <rth@redhat.com>
8353 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8354 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8355 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8356 (sched_analyze_2, sched_analyze_insn): Likewise.
8357 (sched_analyze, init_deps): Likewise.
8358 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8359 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8360 (compute_block_backward_dependences): Update propagate_deps call.
8362 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8364 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8366 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8368 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8369 (cpp_handle_option): Handle them.
8370 (cpp_post_options): Ensure one of -M or -MM is specified with
8371 any other -M? option.
8372 (init_dependency_output): Suppress output with -MG.
8374 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8377 * invoke.texi: Update.
8379 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8381 * sh.md (reload_outsf): Generate recognizable patterns for
8384 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8386 * c-lang.c (lang_hooks): Update.
8387 (lang_init): Rename c_init.
8388 (lang_finish): Remove.
8389 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8391 * toplev.h (lang_hooks): Add init () and finish ().
8392 * tree.h (lang_init, lang_finish): Remove.
8393 * cp/tree.h (lang_init, lang_finish): Remove.
8394 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8395 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8397 (lang_init, lang_finish): Remove.
8398 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8399 (lang_hooks): Update.
8400 * java/lang.c (lang_init): Rename java_init.
8401 (lang_finish): Remove.
8402 (lang_hooks): Update.
8403 * objc/objc-act.c (lang_init): Rename objc_init.
8404 (lang_finish): Remove.
8405 (lang_hoooks): Update.
8407 20001-01-09 Graham Stott <grahams@redhat.com>
8409 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8410 after `ptr` is initialised.
8412 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8414 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8415 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8416 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8417 stack adjusts, instead of r3.
8419 2001-01-09 Michael Hayes <mhayes@redhat.com>
8421 * flow.c (flow_loop_scan): Break out of ...
8422 (flow_loops_find) ... here.
8423 * basic-block.h (flow_loop_scan): New.
8424 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8425 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8427 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8429 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8431 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8432 realloc()ing macro_buffer.
8434 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8435 if it's wider than long and the target's long is wider than the
8438 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8440 Remove support for using UWIN as a host machine.
8441 * configure.in: Issue an error message.
8442 * configure: Regenerated.
8443 * config.gcc: Remove xm_* UWIN configury.
8444 * config/i386/xm-uwin.h: Remove.
8446 2001-01-08 Nick Clifton <nickc@redhat.com>
8448 * config/v850/v850.c (ra_rtx): Delete.
8449 (v850_save_machine_status): Delete.
8450 (v850_restore_machine_status): Delete.
8451 (v850_init_machine_status): New function.
8452 (v850_mark_machine_status): New function.
8453 (v850_free_machine_status): New function.
8454 (v850_return_addr): Use ra_rtx field in machine structure.
8455 (v850_init_expanders): Use new functions.
8457 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8458 * config/v850/v850.c: Change arguments to v850_output+* functions
8459 to take a const char *, to avoid compile time warning.
8460 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8461 (USER_LABEL_PREFIX): Redefine.
8463 2000-01-08 Jim Wilson <wilson@redhat.com>
8465 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8466 1 to unsigned HOST_WIDE_INT before left shift.
8468 2001-01-08 Nick Clifton <nickc@redhat.com>
8470 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8471 the machine structure has been allocated.
8472 (arm_free_machine_status): New function: Free the machine
8473 specific function structure.
8475 2001-01-08 Richard Henderson <rth@redhat.com>
8477 * jump.c (simplejump_p): Revert last change.
8479 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8481 * cppinit.c (init): Rename init_library.
8482 (cpp_create_reader): Update.
8483 * gcc.c (cpp_options): If -o given, use it as the target of
8486 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8488 * arm.c (arm_arch5e): New variable.
8489 (all_cores): XScale is a 5TE device.
8490 (arm_override_options): Set arm_arch5e.
8491 (arm_init_builtins): __builtin_prefetch is in arch5e.
8492 * arm.h (arm_arch5e): Declare it.
8494 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8496 * arm.md (define_constants): Add defines for UNSPEC and
8497 UNSPEC_VOLATILE insns. Update all users.
8498 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8499 * arm.c (multi_register_push, note_invalid_constants)
8500 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8501 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8502 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8504 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8506 * jump.c (jump_optimize_1): Use reversed_comparison_code
8507 instead of can_reverse_comparison_p.
8508 (jump_back_p): Likewise.
8509 (invert_exp_1): Likewise.
8510 (thread_jumps): Likewise.
8511 * simplify-rtx.c (simplify_unary_operation): Likewise.
8512 (simplify_ternary_operation): Likewise.
8513 * cse.c (find_comparison_args): Convert to use
8514 can_reverse_comparison_p.
8515 (record_jump_equiv): Likewise.
8517 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8519 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8520 (EPILOGUE_USES): Define.
8521 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8522 automatically stack the LR if it isn't live.
8524 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8526 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8529 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8531 * ggc-page.c (max_alignment): New structure.
8532 (MAX_ALIGNMENT): New macro.
8533 (init_ggc): Use it to round up the sizes in the
8534 extra_order_size_table.
8536 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8538 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8541 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8543 * builtins.def (BUILT_IN_FPRINTF): New entry.
8545 * c-common.c (c_expand_builtin_fprintf): New function.
8546 (init_function_format_info): Handle __builtin_fprintf.
8547 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8548 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8550 * c-decl.c (duplicate_decls): Adjust comment.
8552 * extend.texi (fprintf): Document new builtin.
8554 2001-01-07 Richard Henderson <rth@redhat.com>
8556 * jump.c (simplejump_p): Recognize any single_set jump
8559 2001-01-07 Richard Henderson <rth@redhat.com>
8561 * configure.in (slibdir): Accept an --with-slibdir option.
8562 Use "test" not "[" in configure. Default to $(libdir).
8564 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8566 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8567 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8568 (SHLIB_LINK): Create links for the soname.
8569 * config/mips/t-iris6: Likewise.
8570 * config/sparc/t-slibgcc: Likewise.
8571 * config/sparc/t-slibgcc-sld: Likewise.
8573 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8575 * config/i386/i386.c (constant_call_address_operand): Accept
8576 (const (plus (symbol_ref) (const_int))).
8577 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8578 constant_call_address_operand.
8580 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8582 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8583 and LONG_LONG_TYPE_SIZE > 32.
8585 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8587 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8588 the previous change.
8590 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8592 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8594 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8595 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8596 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8599 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8601 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8603 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8605 * c-lang.c (c_post_options): Call cpp_post_options.
8606 * objc/objc-act.c (objc_post_options): Similarly.
8607 * cppmain.c (main): Similarly.
8608 * fix-header.c (read_scan_file): Similarly.
8609 * cppinit.c (cpp_start_read): Move option consistency checks
8610 to cpp_post_options. Don't call init_dependency_output.
8611 If needed, add default target and main file dependency.
8612 (OPT_MD, OPT_MMD): Remove.
8614 (cpp_handle_option): Update for OPT_* changes.
8615 (cpp_post_options): New.
8616 (init_dependency_output): Command line -MF overrides environment
8617 variables. Don't set default target etc. Suppress output
8618 if dependencies are going to stdout.
8619 (print_help): Update.
8620 * cpplib.h (cpp_post_options): New.
8621 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8623 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8625 * jump.c (comparison_dominates_p): Support unordered compares.
8627 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8629 * simplify-rtx.c (simplify_relational_operation): Always simplify
8630 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8633 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8635 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8636 (nonzero_bits): Likewise.
8637 (simplify_comparison): Likewise.
8638 (num_sign_bit_copies): Likewise; return more sane value depending
8639 on STORE_FLAG_VALUE.
8640 (known_cond): Do not assume EQ to be always true for equivalent
8643 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8645 * cse.c (fold_rtx): Handle unordered comparisons.
8647 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8649 * rtlanal.c (set_of_1): New static function.
8650 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8651 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8652 reg_set_last_last_regno): Remove.
8653 (set_of): New global function.
8654 (set_of_data): New structure.
8655 (reg_set_p, reg_set_last): Revamp for set_of.
8656 * rtl.h (set_of): New.
8658 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8660 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8661 * extend.texi: Document _Exit builtin.
8663 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8665 * (initialize, initialize_builtins,
8666 initialize_dependency_output, initialize_standard_includes):
8667 Rename s/initialize/init. Update.
8668 (init_dependency_output): Move to after
8669 cpp_handle_options, the correct location temporally at least.
8670 (opt_comp): Move next to init (), its caller. Fix prototype.
8671 (init): Make "initialized" local scope.
8672 (cpp_create_reader): Always call init ().
8673 (cpp_start_read): Update.
8674 (output_deps): New function, broken out of cpp_finish.
8675 (cpp_finish): Break out output_deps.
8677 2001-01-07 Richard Henderson <rth@redhat.com>
8679 * collect2.c (COFF specific stuff): Revert 12-06 patch
8680 to prototype system functions.
8682 2001-01-07 Michael Hayes <mhayes@redhat.com>
8684 * hard-reg-set.h: Add multiple include guard.
8685 * basic-block.h (struct loop): Add `sink' field.
8686 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8687 (emit_iv_add_mult): Delete.
8688 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8689 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8690 (unroll_loop): Remove end_insert_before argument.
8691 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8692 (maybe_eliminate_biv_1): Likewise.
8693 (emit_iv_add_mult): Delete.
8694 (gen_add_mult, loop_regs_update): New.
8695 (loop_insn_emit_after, loop_insn_emit_before): New.
8696 (loop_insn_sink, loop_insn_sink_or_swim): New.
8697 (emit_iv_add_mult): Delete.
8698 (scan_loop): Set loop->sink.
8699 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8700 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8701 (maybe_eliminate_biv_1): Likewise.
8702 (maybe_eliminate_biv_1): Add basic block argument.
8703 * unroll.c (unroll_loop): Remove end_insert_before argument.
8704 (find_splittable_regs): Likewise.
8705 (find_splittable_regs): Use loop_insn_sink and its ilk.
8706 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8708 2001-01-07 Michael Hayes <mhayes@redhat.com>
8710 * loop.h (loop_insn_hoist): New prototype.
8711 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8712 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8713 (check_dbra_loop, load_mems): Likewise.
8714 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8715 (find_splittable_givs): Likewise.
8717 2001-01-07 Michael Hayes <mhayes@redhat.com>
8719 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8721 2001-01-07 Richard Henderson <rth@redhat.com>
8723 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8725 2001-01-07 Richard Henderson <rth@redhat.com>
8727 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8728 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8729 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8730 variant that handles a shared libgcc.
8731 (process_command): Always validate -{static,shared}-libgcc.
8732 (do_spec_1): New 'M' case.
8733 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8735 2001-01-07 Richard Henderson <rth@redhat.com>
8737 * Makefile.in (slibdir): New variable.
8738 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8739 (installdirs): Create slibdir.
8740 (install-libgcc, install-multilib): Defer to libgcc.mk.
8741 * configure.in (slibdir): Substitute.
8742 * mklibgcc.in (install): New target.
8744 * config/t-linux (SHLIB_LINK): Create links for the soname.
8745 (SHLIB_INSTALL): New.
8746 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8747 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8748 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8749 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8750 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8752 2001-01-07 Richard Henderson <rth@redhat.com>
8754 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8755 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8756 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8758 2001-01-07 Michael Hayes <mhayes@redhat.com>
8760 * loop.c (count_loop_regs_set): Delete.
8761 (load_mems_and_recount_loop_regs_set): Delete.
8762 (loop_regs_scan): Merge common code from count_loop_regs_set,
8763 scan_loop, and load_mems_and_recount_loop_regs_set.
8764 (scan_loop): Call load_mems directly and loop_regs_scan
8765 again if new registers created.
8767 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8769 * toplev.c (main): Call the front-end specific post_options
8770 hook if one is given.
8771 * toplev.h (struct_lang_hooks, lang_hooks): New.
8772 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8773 for the C front end.
8774 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8775 lang_hooks for the C++ front end.
8776 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8777 lang_hooks for the ObjC front end.
8778 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8779 * java/lang.c (lang_hooks): Hooks for the Java front end.
8781 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8783 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8784 for verbose DWARF[2] debugging.
8785 (cb_define, cb_undef): The new callbacks.
8786 * toplev.h (debug_define, debug_undef): Make const correct.
8787 * toplev.c (debug_define, debug_undef): Similarly. Do not
8788 perform the verbosity tests here anymore.
8790 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8792 * reload.c (subst_reloads): Take INSN argument. When
8793 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8794 * reload.h (subst_reloads): Adjust prototype.
8795 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8796 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8797 present in JUMP_INSNs and copy them to JUMP_LABEL.
8798 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8799 JUMP_INSNs and insns with REG_LABELs that are followed by
8800 JUMP_INSNs with the same REG_LABEL.
8801 * sched-rgn.c (is_cfg_nonregular): Likewise.
8802 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8804 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8806 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8808 2001-01-06 Richard Henderson <rth@redhat.com>
8810 * loop.c (scan_loop): Use xcalloc for the regs array.
8811 (load_mems_and_recount_loop_regs_set): Zero the new memory
8812 received from xrealloc.
8814 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8816 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8818 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8820 * integrate.c (copy_rtx_and_substitute): When copying
8821 an ignored return value, strip REG_FUNCTION_VALUE_P.
8823 2001-01-06 Michael Hayes <mhayes@redhat.com>
8825 * loop.c (debug_biv, debug_giv): New.
8826 (loop_biv_dump): Break out from ...
8827 (record_biv): ... here.
8828 (loop_giv_dump): Break out from ...
8829 (record_giv): ... here.
8830 (loop_bivs_check): Use print_simple_rtl.
8831 * unroll.c (loop_iterations): Use print_simple_rtl.
8833 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8835 * pa.md (return, return_internal): Modify patterns to prevent regrename
8836 mucking with the return pointer.
8838 2001-01-05 Richard Henderson <rth@redhat.com>
8840 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8842 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8844 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8845 version supplied by Matteo Frigo.
8847 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8849 * cpp.texi: Update for -MQ.
8850 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8851 (cpp_cleanup): Always free pfile->deps.
8852 (initialize_dependency_output): Don't create pfile->deps.
8853 (cpp_handle_option): Similarly.
8855 * gcc.c (cpp_options): Handle -MQ.
8856 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8857 * mkdeps.c (base_name): Remove.
8858 (deps_init): Don't allocate vector space until it's needed.
8859 (deps_free): Only free vectors if allocated.
8860 (deps_add_target, deps_add_dep): Update for initial allocation.
8861 (deps_add_default_target): Don't strip to the base_name.
8863 2001-01-05 DJ Delorie <dj@redhat.com>
8865 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8866 (INIT_EXPANDERS): Define.
8868 * config/v850/v850.c (struct machine_function): Define.
8869 (v850_save_machine_status): New function.
8870 (v850_restore_machine_status): New function.
8871 (v850_return_addr): New function.
8872 (v850_init_expanders): New function.
8874 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8875 and v850_init_expanders.
8877 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8879 * cpplib.h (struct cpp_reader): Add help_only field.
8880 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8881 (cpp_handle_option): Set pfile->help_only if we see -h,
8882 --help, -target-help, or --version. Print version string but
8883 do not set help_only if we see -v or -version. Make text
8884 printed by -v match that printed by (-)-version.
8886 * cppmain.c (main): Exit after option parsing if
8887 pfile->help_only is true.
8889 * toplev.c (independent_decode_option): Call print_version,
8890 then exit, if we see --version (but not -version).
8891 (print_version): Split lengthy message into two lines.
8893 2001-01-05 Nick Clifton <nickc@redhat.com>
8895 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8896 temporary string for initialisation before calling ggc_alloc_string.
8898 2001-01-06 Michael Hayes <mhayes@redhat.com>
8900 * rtl.h (print_simple_rtl): New.
8901 * print-rtl.c (print_simple_rtl): New.
8903 (print_rtx): Disable printing of flags and modes, etc.,
8904 if `flag_simple` nonzero.
8906 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8908 * function.c (fixup_var_refs): Use push_to_full_sequence where
8911 2001-01-05 Michael Meissner <meissner@redhat.com>
8913 * flags.h (flag_reorder_blocks): Add declaration.
8914 (flag_rename_block): Ditto.
8916 2001-01-05 DJ Delorie <dj@redhat.com>
8918 * function.c (reorder_blocks): Make sure the flags are all reset
8919 before using them to mark blocks, else a second invocation will
8920 corrupt the block chain.
8921 (reorder_blocks_0): New, resets the flags.
8923 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8925 * cse.c (find_comparison_args): Stop if the argument is known to
8928 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8930 * config/sh/sh.md (movdf): When splitting load into pair of
8931 registers, don't clobber the register used in the address too
8934 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8936 * varasm.c (mark_constant_pool): Improve initial comments.
8937 (mark_constants): Move marking of constants to mark_constant.
8938 (mark_constant): New function to recursively mark all constants
8939 referred to by a constant.
8941 2001-01-05 Catherine Moore <clm@redhat.com>
8943 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8945 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8947 * cp/lang-options.h: Bring comment in line with reality.
8948 * f/lang-options.h: Likewise.
8949 * java/lang-options.h: Likewise.
8950 * objc/lang-options.h: Likewise.
8951 * ch/lang-options.h: Likewise.
8952 * f/g77.texi: And update the manual.
8954 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8955 Denis Chertykov <denisc@overta.ru>
8957 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8958 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8959 * config/avr/avr.md (all peepholes that request a scratch register):
8960 Call it, FAIL the peephole if not safe (in interrupt functions).
8962 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8964 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8966 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8968 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8970 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8971 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8972 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8973 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8974 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8976 * extend.texi: Document these builtins.
8978 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8980 * c-common.c (lang_get_alias_set): Say we know nothing of
8981 VECTOR_TYPE aliasing.
8983 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8985 2001-01-05 Bruce Korb <bkorb@gnu.org>
8987 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8988 their x* equivalent versions for atexit-less systems
8989 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8990 systems (or any other system any more).
8992 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8994 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8995 output operands. Use arm_hard_register_operand for operand 4.
8996 (stmsi_postinc): Similarly.
8997 (ldmsi): Use arm_hard_register_operand for opernand 2.
8999 * arm.c (arm_hard_register_operand): New function.
9000 * arm-protos.h (arm_hard_register_operand): Prototype it.
9002 * arm.h (HARD_REGNO_RENAME_OK): Define.
9004 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9006 * simplify-rtx.c (cfc_args): add "unordered" field.
9007 (check_fold_consts): Set unordered field.
9008 (simplify_relational_operation): Simplify the unordered
9011 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9014 * emit-rtl.c (try_split): Fix code to mark labels.
9015 * jump.c (mark_jump_label): Make global.
9016 * rtl.h (mark_jump_label): Declare.
9018 * predict.c (estimate_probability): Handle unordred comparisons.
9020 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9022 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9023 * cppinit.c (initialize_dependency_output): Update.
9024 (cpp_finish): Output dummy targets for -MP.
9026 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9027 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9028 * gcc.c (cpp_options): Update to handle -MP.
9029 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9030 to quote only the default target.
9031 (deps_phony_targets): Insert a preceding newline. Rename from
9032 deps_dummy_targets for consistency.
9035 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9037 * calls.c (emit_library_call_value_1): Support
9038 INIT_CUMULATIVE_LIBCALL_ARGS.
9039 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9041 2001-01-04 Richard Henderson <rth@redhat.com>
9043 * c-decl.c (finish_struct): Detect flexible array members
9044 used in an inappropriate context.
9045 * c-typeck.c (really_start_incremental_init): Special case
9046 constructor_max_index for zero length arrays.
9047 (pop_init_level): Allow initialization of flexible array
9048 members. Deprecate initialization of zero length arrays.
9049 Don't issue missing initializer warning for flexible array
9050 members or zero length arrays.
9051 (process_init_element): Don't dereference null DECL_SIZE.
9052 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9053 Don't abort for empty constructors. Use size_binop
9054 (output_constructor): Add commentary regarding zero length
9055 array futures. Abort if we try to initialize an array of
9056 unspecified length with a non-empty constructor in the middle
9059 * extend.texi (Zero Length): Update and clarify documentation
9060 on static initialization.
9062 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9064 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9065 with more than 32767 words of local storage.
9067 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9069 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9070 for 'abs', 'labs', and 'fabs'.
9071 (c4x_expand_builtin): Likewise.
9072 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9074 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9076 * config/sh/sh.md (prget, prset): New insn types.
9077 (return delay slot): Dont' allow prset.
9078 (call, sfunc delay slot): Don't allow prget.
9079 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9080 for prset and prget.
9082 2001-01-05 Michael Hayes <mhayes@redhat.com>
9084 * loop.h (struct loop_reg): New.
9085 (struct loop_regs): Change to use array of `struct loop_reg'.
9086 * loop.c: Replace assortment of varrays with single regs array.
9087 (count_one_set): Delete may_not_move array argument
9088 and use regs array instead. All caller's changed.
9089 (count_loop_regs_set): Delete may_not_move and single_usage
9090 arguments and use regs array instead. All caller's changed.
9091 (find_single_use_in_loop): Replace usage array argument with pointer
9092 to regs structure. All caller's changed.
9093 (loop_optimize): Delete `moved_once' array.
9095 2001-01-05 Michael Hayes <mhayes@redhat.com>
9097 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9098 Use it instead of loop_info->has_call for scanning loop mems.
9099 (check_dbra_loop): Replace loop_info->has_call test with
9100 loop_info->has_nonconst_call.
9102 2000-01-04 Matthew Hiller <hiller@redhat.com>
9104 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9107 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9109 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9110 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9112 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9114 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9115 (flag_short_double, flag_short_wchar): Define.
9116 (c_common_nodes_and_builtins): Create many tree nodes shared
9117 between C and C++ here instead of in cp/decl.c and ...
9118 * c-decl.c (init_decl_processing): ... here.
9119 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9120 (flag_short_double, flag_short_wchar): Don't define.
9121 (record_builtin_type): New function.
9122 (build_void_list_node): New function.
9123 * c-common.h (flag_short_double, flag_short_wchar,
9124 record_builtin_type, build_void_list_node): Declare.
9126 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9128 * integrate.c (expand_inline_function): Don't put a virtual
9129 register into the reg map.
9131 * function.c (fixup_var_refs_1): If force_operand didn't put
9132 the address into the target, move it there.
9134 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9136 Special-case tree_decl/tree_list allocations.
9137 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9138 (OBJECT_SIZE): New macro.
9139 (NUM_EXTRA_ORDER): Likewise.
9140 (extra_order_size_table): New variable.
9141 (NUM_ORDERS): New macro.
9142 (objects_per_page_table): New variable.
9143 (object_size_table): New variable.
9144 (G.pages): Use NUM_ORDERS to bound the array.
9145 (G.page_tails): Likewise.
9146 (DIV_ROUND_UP): Remove.
9147 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9148 (alloc_page): Use OBJECT_SIZE.
9149 (size_lookup): Don't make it const.
9150 (ggc_alloc): Use OBJECT_SIZE.
9151 (ggc_set_mark): Likewise.
9152 (ggc_get_size): Likewise.
9153 (init_ggc): Set up the object_size_table, objects_per_page_table,
9154 and adjust size_lookup.
9155 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9156 (ggc_pop_context): Use NUM_ORDERS.
9157 (clear_marks): Likewise.
9158 (sweep_pages): Likewise.
9159 (poison_pages): Likewise.
9160 (ggc_print_statistics): Use OBJECT_SIZE.
9162 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9164 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9165 Only call array_size_for_constructor if last field and array type
9166 with no upper bound.
9168 2001-01-04 Philip Blundell <philb@gnu.org>
9170 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9171 from bit 31 downwards, if this requires no more insns.
9172 (count_insns_for_constant): New helper function for above.
9174 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9176 * gencodes.c (output_predicate_decls): Remove empty initializer.
9178 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9180 * tree.c (copy_node): Remove documentation about obstacks.
9181 (buidl1): Check that nobody tries to build 2-argument nodes this
9184 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9186 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9189 * gencodes.c (output_predicate_decls): Fill empty initializer
9192 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9194 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9195 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9197 (do_include): Handle missing headers like cpp0.
9198 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9199 paths with first include pathname. Don't strcat to uninitialized
9202 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9204 * regrename.c (regrename_optimize): Don't rename from frame pointer
9205 if frame_pointer_needed.
9206 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9207 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9208 (ia64_reorg): Use it instead of scheduling if ! optimize.
9209 (errata_emit_nops): Properly call asm_noperands.
9210 (ia64_sched_reorder): Finish cycle if we see an asm.
9211 (ia64_variable_issue): Clear scheduling state after asms.
9213 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9215 * cpp.texi: Update for -MT.
9216 * cppinit.c (initialize_dependency_output): Add a default
9217 target if none has been given already.
9218 (no_tgt, OPT_MT): New.
9219 (cpp_handle_option): Handle -MT. Update -M etc.
9220 * cpplib.h (struct cpp_options): Remove deps_target.
9221 * gcc.c (cpp_options): Handle -MT.
9222 * mkdeps.c (struct deps): Move from mkdeps.h.
9223 (deps_calc_target): Rename deps_add_default_target. Add a
9224 default target if none has been specified already.
9225 * mkdeps.h (struct deps): Move to mkdeps.c.
9226 (deps_calc_target): Rename deps_add_default_target.
9228 2000-01-03 Richard Henderson <rth@redhat.com>
9230 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9232 * c-typeck.c (push_init_level): Move checks for flexible array
9233 members and zero length arrays ...
9234 (pop_init_level): ... here. Silently discard empty initializations.
9236 * varasm.c (output_constructor): Update for sizeof change to
9239 * extend.texi (Zero Length): Clarify semantics.
9241 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9243 * configure.in (tm.h): Include isns-codes.h last.
9244 * configure: Rebuilt.
9246 2001-01-03 Richard Henderson <rth@redhat.com>
9248 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9249 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9251 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9253 * tradcpp.c (main): Make sure finclude() is called with a valid
9254 indepth value while handling -include.
9256 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9258 * gencodes.c (output_predicate_decls): New function.
9260 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9261 even if it is not the first time machmode.h is #included.
9262 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9263 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9264 * gcc.texi (Copyright): Added 2001.
9266 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9268 * c-common.c (c_common_lang_init): New function. Warn if format
9269 warning options which only have effects when used with -Wformat
9270 are used without -Wformat.
9271 * c-common.h (c_common_lang_init): Declare.
9272 * c-lang.c (lang_init): Call c_common_lang_init.
9273 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9275 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9277 * configure.in: Check for the mktemp command.
9278 * configure: Regenerate.
9279 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9280 $TEMP. Create temporary files with mktemp, if available at
9281 configure time; otherwise use set -C. Remove temporary files
9284 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9286 * configure.in: Require at least texinfo 4.0. Check for whether
9287 Pod::Man is sufficiently recent to regenerate GCC manpages.
9288 * configure: Regenerate.
9289 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9291 (GENERATED_MANPAGES): Define.
9292 (generated-manpages): New target. Depend on cpp.1 as well as
9294 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9295 configure to generated-manpages or empty) rather than on the
9296 manpages directly. Remove execute permission from installed
9297 gcov.1 as well as cpp.1.
9298 * cpp.1, gcov.1: Regenerate.
9300 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9302 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9303 tree_low_cst. Allow using cmpstrsi in more cases.
9305 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9307 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9310 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9312 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9313 * Makefile.in (HOST_CFLAGS): Mention build-make.
9315 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9317 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9320 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9322 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9325 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9328 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9329 reg_base_value and reg_known_value arrays.
9330 (init_alias_analysis): Add more cases to detect known values.
9331 * sched-deps.c (deps_may_trap_p): New function.
9332 (sched_analyze_2): Use it.
9334 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9336 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9337 don't discard an ASHIFTRT if we're shifting in a wider mode.
9339 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9341 * toplev.c (rest_of_compilation): Don't print basic block information
9342 when CFG isn't up to date.
9344 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9346 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9347 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9348 (UNALIGNED_SHORT_ASM_OP): Define.
9349 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9351 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9353 * fold-const.c (fold_convert): Fix typo.
9355 2001-01-02 Richard Henderson <rth@redhat.com>
9357 * c-common.h (ASM_INPUT_P): New.
9358 * c-parse.in (asm): Set it when needed.
9359 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9360 existance of an operand.
9362 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9364 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9365 (dwarf2out_frame_debug_expr): Likewise.
9366 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9368 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9370 * i386.c (ix86_split_to_parts): Return number of part required;
9372 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9374 (ix86_split_long_move): Use number of part returned
9375 by ix86_split_to_parts
9376 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9378 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9379 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9380 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9381 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9382 (ALIGN_MODE_128): Add TFmode.
9383 (IS_STACK_MODE): Likewise.
9384 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9385 (HARD_REGNO_OK): Support TFmodes.
9386 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9387 * i386.md (scheduler definitions): Use memory operand to determine
9388 fst/fld instructions; use mode attribute to determine real mode of
9390 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9391 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9393 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9395 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9397 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9399 * expr.c (store_constructor_field): Update ALIGN before calling
9402 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9404 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9407 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9409 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9412 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9414 * c-decl.c (start_function): Don't warn on third parameter to main.
9416 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9418 * tsystem.h: Define HAVE_DECL_GETOPT.
9420 2001-01-02 Philip Blundell <pb@futuretv.com>
9422 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9425 2001-01-02 Richard Henderson <rth@redhat.com>
9427 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9429 2001-01-02 Andreas Jaeger <aj@suse.de>
9431 * c-decl.c (c_decode_option): Remove support of
9434 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9435 (W_options): Add -Wmissing-noreturn here.
9437 * flow.c: Define lang_missing_noreturn_ok_p.
9438 (check_function_return_warnings): Use it.
9440 * c-common.h: Declare lang_missing_noreturn_ok_p.
9442 * c-lang.c (c_missing_noreturn_ok_p): New function.
9443 (lang_init): Set lang_missing_noreturn_ok_p.
9445 * invoke.texi (Warning Options): Document this.
9447 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9449 * extend.texi (C++ Extensions): New node for C++ attributes;
9450 describe init_priority and com_interface.
9451 * invoke.texi: Remove -finit-priority as it now has zero effect.
9452 * install.texi: Fix xref syntax.
9453 * md.texi: Likewise.
9455 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9457 * config.gcc (sparc64-wrs-vxworks*): New case.
9458 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9460 * config/sparc/sparc.c (sparc_override_options): Do support different
9461 pointer and architecture size.
9462 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9463 (POINTERS_EXTEND_UNSIGNED): Define.
9464 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9465 (FUNCTION_MODE): Define to be Pmode.
9466 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9468 * function.c (expand_function_end): Properly handle DECL_RESULT
9469 and copy when ptr_mode != Pmode.
9470 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9472 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9474 * c-common.c (c_common_nodes_and_builtins): Set prototype
9475 parameters for __builtin_fputs, __builtin_fputc and
9476 __builtin_fwrite. Don't declare plain fputc as a builtin.
9478 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9480 * loop.c (add_label_notes): Increment the label usage count when
9481 a note is added to an insn which refers to a CODE_LABEL.
9482 * gcse.c (add_label_notes): Likewise.
9484 2001-01-01 Andreas Jaeger <aj@suse.de>
9486 * loop.c (scan_loop): Use xmalloc to allocate movables.
9488 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9490 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9491 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9492 * reload1.c (REGISTER_MOVE_COST): Likewise.
9493 * regclass.c (REGISTER_MOVE_COST): Likewise.
9494 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9495 dimension. Adjust all users.
9496 (init_reg_sets_1): Iterate on all modes.
9497 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9498 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9499 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9500 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9501 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9502 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9503 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9504 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9505 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9506 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9507 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9508 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9509 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9510 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9511 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9512 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9513 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9514 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9515 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9516 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9517 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9518 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9519 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9520 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9521 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9522 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9523 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9525 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9527 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9528 arg VARIES_P. Call it with extra arg.
9529 (true_dependence): Likewise.
9530 * rtl.h (rtx_addr_can_trap_p): Declare.
9531 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9533 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9534 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9535 pic offset table register if it's zero. All callers changed.
9536 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9538 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9540 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9541 STRING_POOL_ADDRESS_P.
9543 * config/sparc/sparc.c (input_operand): Properly test for short op.
9545 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9546 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9547 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9548 * config/sparc/elf.h: No longer include sol2.h.
9549 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9550 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9552 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9554 2001-01-01 Michael Hayes <mhayes@redhat.com>
9556 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9557 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9558 (record_initial): Likewise.
9559 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9560 (remap_split_bivs): Likewise.
9562 2001-01-01 Michael Hayes <mhayes@redhat.com>
9564 * loop.c (loop_ivs_free): New function.
9565 (strength_reduce): Break out from...
9567 2001-01-01 Michael Hayes <mhayes@redhat.com>
9569 * loop.h (struct iv): New.
9570 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9571 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9572 'reg_biv_class' fields with 'regs' and 'n_regs'.
9573 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9574 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9575 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9577 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9579 * resource.c (mark_referenced_resources): Abort() before
9580 attempting to mark a pseudo register.
9581 (mark_set_resources): Likewise.
9583 2001-01-01 Michael Hayes <mhayes@redhat.com>
9585 * loop.h (REG_IV_CLASS): New accessor macro.
9586 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9587 * unroll.c (REG_IV_CLASS): Likewise.
9589 See ChangeLog.4 for earlier changes.