1 2005-11-15 David Edelsohn <edelsohn@gnu.org>
3 * c.opt (ffixed-line-length-none): New.
5 2005-11-15 Steve Ellcey <sje@cup.hp.com>
7 * mklibgcc.in: Change contents of eh_dummy.c.
9 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
11 * loop.c (scan_loop): Do not insert temporaries for hard registers.
13 2005-11-15 Daniel Jacobowitz <dan@codesourcery.com>
15 * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
17 * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define. Set r7 also.
19 2005-11-15 Jan Hubicka <jh@suse.cz>
21 * invoke.texi (large-unit-insns): Document.
22 * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
23 * params.def (large-unit-insns): New param.
25 2005-11-15 Hans-Peter Nilsson <hp@axis.com>
28 * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
29 special register for operand 3. Reindent constraints to align
32 2005-11-14 David Edelsohn <edelsohn@gnu.org>
34 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
35 -mpopcntb, -mfprnd. Add -mcpu=power5+.
36 * configure.ac: Add test for FP rounding instructions.
37 * configure: Regenerate.
38 * config.in: Regenerate.
39 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
40 _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
42 * config/rs6000/rs6000.opt (mfprnd): New.
43 * config/rs6000/rs6000.c (processor_target_table): Add power5+.
44 (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
45 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
46 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
48 * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
55 2005-11-14 Geoffrey Keating <geoffk@apple.com>
57 * gcc.c (version_compare_spec_function): Use fatal() rather than
60 * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
61 (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
62 * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
64 * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
67 * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
68 on -mmacosx-version-min setting.
70 2005-11-14 Diego Novillo <dnovillo@redhat.com>
73 * tree-vrp.c (infer_value_range): Return false if STMT is a
74 block terminator and its basic block has no successors.
76 2005-11-14 Mike Stump <mrs@apple.com>
78 * config/i386/i386.c (override_options): -masm=intel isn't
80 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
82 2005-11-15 Joseph S. Myers <joseph@codesourcery.com>
84 * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
85 vfork after including auto-host.h.
87 2005-11-15 Alan Modra <amodra@bigpond.net.au>
89 PR rtl-optimization/22002
90 * combine.c (distribute_notes): Detect cases where a reg dies
91 two or more times in a bb, including on the insn we are combining,
92 and place the death note on the correct range.
94 2005-11-14 Dale Johannesen <dalej@apple.com>
96 * expmed.c (store_bit_field): Add offset unconditionally for
98 (extract_bit_field): Don't force extzv or extv operand into
99 a register if field is too big.
101 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
103 * config/arm/arm.c (pic_labelno): New.
104 (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
105 LABEL_REF. Pass only the labelno to PIC insns.
106 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
107 (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
108 * arm.md (UNSPEC_PIC_LABEL): New constant.
109 (pic_add_dot_plus_four, pic_add_dot_plus_eight)
110 (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
111 Use the correct label prefix.
113 2005-11-14 Daniel Jacobowitz <dan@codesourcery.com>
115 * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
118 2005-11-14 Richard Earnshaw <richard.earnshaw@arm.com>
120 * loop-invariant.c: Include tm_p.h.
121 * Makefile.in: Updated.
123 2005-11-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
125 * pa.c (store_reg): Revise generation of frame notes in large frames.
126 (set_reg_plus_d): Likewise.
128 2005-11-13 Andrew MacLeod <amacleod@redhat.com>
130 PR tree-optimization/24709
131 * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
134 2005-11-13 Eric Botcazou <ebotcazou@libertysurf.fr>
136 * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
137 and duplicate declaration of pthread_self.
139 2005-11-13 Eric Botcazou <ebotcazou@adacore.com>
140 Ian Lance Taylor <ian@airs.com>
143 * calls.c (expand_call): If TARGET is a MEM and some part of the
144 argument area has been saved, force TARGET to a register.
146 2005-11-13 Razya Ladelsky <razya@il.ibm.com>
148 * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
151 2005-11-13 Jason Merrill <jason@redhat.com>
154 * dwarf2out.c (gen_subprogram_die): Force a declaration die for
155 lazily declared methods.
156 (force_decl_die): Stop if forcing out the context already make a
158 (force_type_die): Likewise.
160 2005-11-13 Andrew Pinski <pinskia@physics.uc.edu>
163 * builtins.c (integer_valued_real_p): Add break in
164 REAL_CST having TREE_OVERFLOW set.
166 2005-11-13 Zdenek Dvorak <dvorakz@suse.cz>
168 * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
169 addressing modes during calculation of costs.
171 2005-11-12 Eric Botcazou <ebotcazou@adacore.com>
173 * function.c (assign_stack_local_1): Restrict sanity check
174 on frame size overflow to 32-bit and above platforms.
176 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
178 * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
179 * config/cris/cris.c: Include reload.h.
180 (cris_initial_elimination_offset): New function.
181 * config/cris/cris-protos.h: (cris_initial_elimination_offset):
184 2005-11-12 Richard Guenther <rguenther@suse.de>
186 * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
188 2005-11-12 Jan Hubicka <jh@suse.cz>
190 * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
191 to compare against 0 when possible.
193 2005-11-12 Jie Zhang <jie.zhang@analog.com>
195 * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
196 HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
197 REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
198 * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
201 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
203 * recog.c (constrain_operands) <case 'g'>: For a match, require
204 that a non-register matches general_operand when strict >= 0.
206 2005-11-11 Steven Bosscher <stevenb@suse.de>
208 * loop-invariant.c (move_loop_invariants): Fix a thinko in the
211 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
213 * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
214 (memory_address_same): New.
215 (dse_optimize_stmt): Call memory_address_same.
217 2005-11-12 Hans-Peter Nilsson <hp@axis.com>
220 * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
221 ZERO_EXTEND>: New cases.
223 2005-11-11 Daniel Jacobowitz <dan@codesourcery.com>
225 * longlong.h (__clz_tab): Always provide.
227 2005-11-11 Steven Bosscher <stevenb@suse.de>
230 * loop-invariant.c (may_assign_reg_p): Make sure a hard register
232 (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
233 before check_maybe_invariant.
234 (move_invariant_reg): Use gen_move_insn instead of replacing
235 SET_DEST with the temporary for the invariant.
236 (move_loop_invariants): If checking is enabled, do internal
237 consistency checks after completing the pass.
239 2005-11-11 David Edelsohn <edelsohn@gnu.org>
242 * common.opt (Wvolatile-register-var): New.
243 * varasm.c (make_decl_rtl): Only emit warning when option
244 specified. Clarify warning message.
245 * doc/invoke.texi (Wvolatile-register-var): Document new option.
247 * doc/md.texi (copysign): Document standard named pattern.
249 2005-11-11 Jie Zhang <jie.zhang@analog.com>
251 * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
252 bytes when align is 2.
253 * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
254 by the first instruction of the loop.
256 2005-11-11 Jason Merrill <jason@redhat.com>
259 * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
262 2005-11-11 Zdenek Dvorak <dvorakz@suse.cz>
264 PR rtl-optimization/22509
265 * local-alloc.c (memref_used_between_p): Check whether a function call
266 could not reference the memref.
268 2005-11-11 Ulrich Weigand <uweigand@de.ibm.com>
270 * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
271 algorithm so as to choose the best, not the worst, alternative.
272 Reset accumulated register class before processing next alternative.
274 2005-11-11 Kaz Kojima <kkojima@gcc.gnu.org>
277 * calls.c (expand_call): Copy a return value to a plain register
280 2005-11-10 Alexandre Oliva <aoliva@redhat.com>
283 * varasm.c (assemble_name): Recompute name only for transparent
286 2005-11-10 Hans-Peter Nilsson <hp@axis.com>
288 * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
290 2005-11-04 Jeff Law <law@redhat.com>
293 * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
294 perform reassociation if the parent statement will not die as
295 a result of the optimization.
297 2005-11-10 Daniel Berlin <dberlin@dberlin.org>
299 * tree-ssa-alias.c (compute_may_aliases): Remove call to
300 delete_old_heap_vars.
301 * tree-dfa.c (referenced_var_remove): Remove function.
302 * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
303 (delete_tree_ssa): Remove call to delete_old_heapvars.
304 Add call to delete_alias_heapvars.
305 * tree-flow.h (referenced_var_remove): Remove prototype
306 (init_alias_heapvars): New prototype.
307 (delete_alias_heapvars): Ditto.
308 * Makefile.in (tree-ssa-structalias.o): Add
309 gt-tree-ssa-structalias.o
310 (GTFILES): Add tree-ssa-structalias.h and
311 tree-ssa-structalias.c.
312 (s-gtype): Add gt-tree-ssa-structalias.h.
313 * tree-ssa-structalias.c (heapvars): Remove.
314 (oldheapvars): Remove.
315 (heapvar_for_stmt): New variable.
316 (heapvar_lookup): New function.
317 (heapvar_insert): Ditto.
318 (get_constraint_for): See if we have an old heapvar
320 (init_alias_heapvars): New function.
321 (delete_alias_heapvars): Ditto.
322 Add include of gt-tree-ssa-structalias.h.
324 2005-11-10 Eric Botcazou <ebotcazou@libertysurf.fr>
327 * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
329 2005-11-10 Eric Botcazou <ebotcazou@adacore.com>
331 * tree.c (int_fits_type_p): Only look at the base type
332 if it has the same precision as the original type.
334 2005-11-10 Jakub Jelinek <jakub@redhat.com>
337 * varasm.c (assemble_alias): Use %q+D in the error
338 message instead of %J and %qD.
340 2005-11-10 Richard Guenther <rguenther@suse.de>
342 * gcse.c (free_ldst_entry): Only free hashtable if
345 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
347 * function.c (assign_stack_local_1): Issue an error message if
348 the frame size overflows in the signed target arithmetics.
350 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
352 * tree.c (build_qualified_type): Chain the new type to the original
353 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
354 a POINTER_TYPE or a REFERENCE_TYPE respectively.
355 (build_pointer_type_for_mode): Only return unqualified types.
356 (build_reference_type_for_mode): Likewise.
358 2005-11-09 Jakub Jelinek <jakub@redhat.com>
360 * Makefile.in (gnucompare): Do comparison of all files using one of
361 the chosen methods and only afterwards decide if just warning should
362 be issued or comparison failure raised.
364 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
366 * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
367 (noce_try_abs): Negate if the comparison is reversed.
368 Look only one instruction backwards for a REG_EQUAL note.
370 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
373 * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
374 gthr-tpf.h: Define __gthrw. For all identifiers that might
375 be weak, introduce weakrefs or non-weak aliases with __gthrw,
376 and prefix all uses with __ghtrw.
378 2005-11-09 Alexandre Oliva <aoliva@redhat.com>
381 * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
382 (TREE_DEPRECATED): Adjust comment. Check for a DECL.
383 * c-common.c (handle_weakref_attribute): New.
384 (c_common_attribute_table): Add weakref.
385 * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
387 * configure, config.in: Rebuilt.
388 * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
389 * doc/extend.texi: Document weakref attribute.
390 * varasm.c (ultimate_transparent_alias_target): New
391 (assemble_name): Use it.
392 (weak_finish_1): Split out of...
393 (weak_finish): ... and deal with weakrefs in...
394 (weakref_targets): ... new list.
395 (globalize_decl): Clean up weakref_targets.
396 (do_assemble_alias): Handle weakrefs.
397 (finish_aliases_1): Do not reject weakrefs to external symbols.
398 (assemble_alias): Handle weakrefs.
400 2005-11-09 Richard Guenther <rguenther@suse.de>
402 PR tree-optimization/24716
403 * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
404 t_bool to track results from follow_ssa_edge.
406 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
408 * final.c (force_source_line): New global variable.
409 (final_scan_insn): Set it to true instead of clearing last_filename.
410 (notice_source_line): Return true if force_source_line is true,
411 unless source info is absent.
413 2005-11-09 Andrew Pinski <pinskia@physics.uc.edu>
416 * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
417 a linkage name for a variable if it a register variable.
418 * c-decl.c (grokdeclarator): Global register variables
419 should be set as PUBLIC.
421 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
424 * config/s390/s390.c (struct s390_frame_layout): New fields
425 first_save_gpr_slot and last_save_gpr_slot.
426 (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
427 s390_emit_epilogue, s390_initial_elimination_offset): Replaced
428 first_save_gpr and last_save_gpr with the _slot variants.
429 (s390_register_info): Calculate first_save_gpr_slot and
430 last_save_gpr_slot using regs_ever_live.
432 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
435 * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
436 for a function containing a landing pad.
438 2005-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
441 * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
444 2005-11-08 Bernd Schmidt <bernd.schmidt@analog.com>
446 * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
447 MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
449 2005-11-09 Nathan Sidwell <nathan@codesourcery.com>
452 * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
454 (call,load,store): New insn types.
455 (mem_access, branch_access): Adjust reservation conditions.
456 (define_delay): Adjust condition.
457 (decrement_and_branch_until_zero): Allow for ms2. Set branch
459 (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
460 (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
462 (call_internal, call_value_internal, return_internal,
463 return_interrupt_internal, eh_return_internal, indirect_jump,
464 tablejump): Set call insn type.
465 (blockage, ei, di): Use appropriate unspec const.
466 * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
467 (ms1_get_attr_type): Adjust to give load & store types.
468 (ms1_final_prescan_insn): Adjust for new insn types. Don't look
469 backwards past a barrier.
470 (ms1_override_options): Accept ms2 arch. Copy and reset delayed
472 (struct branch_info, struct label_info): New.
474 (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
475 (ms1_machine_reorg): New.
476 (TARGET_MACHINE_DEPENDENT_REORG): Override.
477 * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
478 * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
479 (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
482 2005-11-09 Per Bothner <per@bothner.com>
483 Uros Bizjak <uros@kss-loka.si>
486 * toplev.c (process_options): Initialize debug_hooks early
487 in case lang_hooks.post_options ends up calling a debug_hook.
489 2005-11-08 Jakub Jelinek <jakub@redhat.com>
491 * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
492 DBX_REGISTER_NUMBER being contiguous.
494 2005-11-08 James A. Morrison <phython@gcc.gnu.org>
495 Diego Novillo <dnovillo@redhat.com>
498 * tree-vrp.c (register_edge_assert_for): Do not register
499 always-false predicates.
501 2005-11-08 Devang Patel <dpatel@apple.com>
503 PR tree-optimization/23115
504 * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
507 2005-11-08 Joseph S. Myers <joseph@codesourcery.com>
509 * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
512 2005-11-08 Daniel Berlin <dberlin@dberlin.org>
514 Fix PR tree-optimization/23382
516 * tree-ssa-alias.c (compute_may_aliases): Call
517 delete_old_heap_vars.
518 * tree-dfa.c (referenced_var_remove): New function.
519 * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
520 * tree-flow.h (referenced_var_remove): Add prototype.
521 (delete_old_heap_vars): Ditto.
522 * tree-ssa-structalias.c (heapvars): New variable.
523 (oldheapvars): Ditto.
524 (get_constraint_for): Put heap vars on heapvars list.
525 (delete_old_heap_vars): New function.
527 2005-11-08 Jason Merrill <jason@redhat.com>
529 * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
531 2005-11-08 Uros Bizjak <uros@kss-loka.si>
534 * reg-stack.c (reg_to_stack): Update register liveness also
535 for flag_sched2_use_traces.
537 2005-11-08 Alan Modra <amodra@bigpond.net.au>
540 * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
541 override prior explicit -mno-powerpc-gfxopt.
543 2005-11-07 Eric Botcazou <ebotcazou@adacore.com>
545 * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
546 if the bitsize is zero.
547 * doc/md.texi (Standard Pattern Names): Document it.
549 * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
550 (TARGET_PASS_BY_REFERENCE): Likewise.
552 2005-11-07 Ian Lance Taylor <ian@airs.com>
554 PR rtl-optimization/24683
555 * config/i386/i386.c (legitimize_pic_address): If constant operand
556 to PLUS is too large, put it in a register.
558 2005-11-07 Jie Zhang <jie.zhang@analog.com>
560 * configure.ac: Enable checking assembler dwarf2 support for bfin
562 * configure: Regenerate.
564 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
568 * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
569 gen_easy_vector_constant_add_self): Delete.
570 (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
572 (output_vec_const_move): Use gen_easy_altivec_constant.
573 (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
574 * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
575 (easy_vector_constant_add_self): Rewritten.
576 * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
577 easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
578 (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
579 * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
580 Macroize and adjust for the other changes.
582 2005-11-07 Paolo Bonzini <bonzini@gnu.org>
586 * c-typeck.c (build_c_cast): Try using a shared constant, and see
587 if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
589 2005-11-07 Jakub Jelinek <jakub@redhat.com>
591 PR rtl-optimization/23567
592 * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
593 (noce_process_if_block): Don't do any optimizations except
594 if (cond) x = x; if !set_b and write into orig_x may trap
595 or fault. Remove the MEM_READONLY_P check.
597 2005-11-06 Diego Novillo <dnovillo@redhat.com>
600 * tree-vrp.c (fix_equivalence_set): New.
601 (extract_range_from_assert): Call it.
603 2005-11-05 Ian Lance Taylor <ian@airs.com>
606 * combine.c (apply_distributive_law): Don't distribute across a
609 2005-11-05 Kazu Hirata <kazu@codesourcery.com>
611 * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
612 config/ms1/ms1.h, config/rs6000/predicates.md,
613 config/s390/s390.c, params.def, postreload-gcse.c,
614 tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
615 tree-vrp.c, tree.c: Fix comment typos.
616 * doc/invoke.texi: Fix typos.
618 2005-11-05 Sebastian Pop <pop@cri.ensmp.fr>
620 * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
621 for testing whether the data_dependence_relation contains distance
622 vectors. Iterate over all distance vectors of the ddr.
623 * lambda.h: Define a vec of lambda_vector pointers.
624 * tree-data-ref.c (dump_data_dependence_relation,
625 dump_data_dependence_direction): Iterate over all distance and
626 direction vectors of the ddr.
627 (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
629 (build_classic_dist_vector, build_classic_dir_vector): Push a set
630 of distance/direction vectors instead of a single one.
631 * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
632 lambda_vectors with a vec of lambda_vectors.
633 (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
634 (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
635 DDR_NUM_DIST_VECTS): New.
636 * tree-loop-linear.c (gather_interchange_stats): Test for the
637 existence of distance vectors only after having checked that there
638 is a dependence. Iterate over all distance vectors of the ddr.
639 (linear_transform_loops): Use dump_data_dependence_relation.
640 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
641 distance vectors using DDR_NUM_DIST_VECTS. Iterate over all the
642 distance vectors of the ddr.
644 2005-11-05 Bernd Schmidt <bernd.schmidt@analog.com>
646 * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
647 expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
648 IS_INTHANDLER; all callers changed.
649 (n_regs_saved_by_prologue): Take interrupt handler attributes into
651 (do_link, do_unlink): New argument ALL; all callers changed.
652 (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
653 If function isn't leaf, save and restore all registers.
654 (bfin_function_ok_for_sibcall): Only true if not an interrupt or
657 2005-11-05 Jan Hubicka <jh@suse.cz>
659 PR rtl-optimization/23490
660 * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
661 max-flow-memory-location): Document.
662 * flow.c: Include params.h
663 (MAX_MEM_SET_LIST_LEN): Kill.
664 (add_to_mem_set_list): Use new param.
665 * cse.c (cse_basic_block): Replace 1000 by new param.
666 * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
667 PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
668 * predict.c (predict_loops): Use new param.
669 * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
671 * ipa-inline.c (cgraph_decide_inlining_of_small_function,
672 cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
673 Do not hold memory returned by cgraph_node_name across other call.
675 2005-11-04 Hans-Peter Nilsson <hp@axis.com>
678 * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
681 2005-11-04 Jeff Law <law@redhat.com>
684 * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
685 * tree-ssa-dom.c: Include params.h.
686 (thread_across_edge): If there are too many statements in the
687 target block, then do not thread through it.
688 * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
689 * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
691 2005-11-03 Diego Novillo <dnovillo@redhat.com>
694 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
695 TODO_update_ssa instead of TODO_update_ssa_no_phi.
697 2005-11-04 Sebastian Pop <pop@cri.ensmp.fr>
700 * tree-scalar-evolution.c (instantiate_parameters_1,
701 instantiate_parameters, resolve_mixers): Compute the size of an
702 expression to be instantiated and give up the instantiation if the
703 size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
705 2005-11-04 Richard Guenther <rguenther@suse.de>
707 * tree-flow.h (ref_contains_indirect_ref): Rename to
708 array_ref_contains_indirect_ref.
709 * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
710 (array_ref_contains_indirect_ref): Make comment match the code
712 (ref_contains_array_ref): Likewise.
713 * tree-ssa-structalias.c (find_func_aliases): Remove call to
714 ref_contains_indirect_ref.
715 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
716 Rename calls to ref_contains_indirect_ref.
718 2005-11-04 Paul Brook <paul@codesourcery.com>
720 * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
721 gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
722 (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
723 * config/arm/arm.md: Use match_operand in peephole input templates
724 and match_dup in peephole output templates.
726 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
728 * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
731 2005-11-04 Mark Mitchell <mark@codesourcery.com>
732 Daniel Jacobowitz <dan@codesourcery.com>
734 * longlong.h (add_ssaaaa): Clobber condition code register
736 (sub_ddmmss): Likewise.
737 (umul_ppmm): Likewise.
739 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
740 Paul Brook <paul@codesourcery.com>
741 Phil Blundell <pb@reciva.com>
743 * configure.ac: Add test for ARM TLS support.
744 * configure: Regenerated.
745 * config/arm/arm-protos.h (legitimize_tls_address)
746 (arm_tls_referenced_p, tls_mentioned_p)
747 (arm_output_addr_const_extra): New prototypes.
748 (thumb_legitimize_pic_address): Delete.
749 * config/arm/arm.c: Include "gt-arm.h".
750 (enum tls_reloc): New.
751 (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
752 (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
753 (arm_call_tls_get_addr, legitimize_tls_address)
754 (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
755 (arm_init_tls_builtins, arm_emit_tls_decoration)
756 (arm_output_addr_const_extra): New functions.
757 (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
758 (TARGET_HAVE_TLS): Define.
759 (target_thread_pointer): New.
760 (arm_override_options): Handle -mtp=.
761 (legitimize_pic_address): Ignore UNSPECs.
762 (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
764 (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
765 (tls_get_addr_libfunc): New variable.
766 (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
767 (arm_init_builtins): Call arm_init_tls_builtins.
768 (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
769 (arm_encode_section_info): Call default_encode_section_info.
770 * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
771 (enum arm_tp_type): New.
772 (target_thread_pointer): Add declaration.
773 (LEGITIMATE_CONSTANT_P): Handle TLS.
774 (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
775 (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
776 (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
777 * config/arm/arm.md: Add UNSPEC_TLS.
779 (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
781 (tls_load_dot_plus_eight): New insn and a peephole to create it.
782 (load_tp_hard, load_tp_soft): New insns.
783 * arm.opt: Add -mtp=.
784 * doc/invoke.texi (ARM Options): Document -mtp.
786 2005-11-04 Daniel Jacobowitz <dan@codesourcery.com>
788 * config/arm/lib1funcs.asm: Don't include "libunwind.S".
789 * config/arm/libunwind.S: Include "lib1funcs.asm".
790 * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
791 (LIB2ADDEH): Add libunwind.S.
792 (LIB2ADDEHDEP): Add lib1funcs.asm.
793 * mklibgcc.in: Handle asm files in libgcc_eh.a.
795 2005-11-04 Francois-Xavier Coudert <coudert@clipper.ens.fr>
798 * gcc/c.opt: Add a -lang-fortran option.
799 * gcc/c-opts.c: Add a lang_fortran flag.
800 (c_common_init_options): Handling the -lang-fortran option.
801 (c_common_handle_option): Add a case for Fortran options in
802 preprocessing. Remove cases for -ffixed-form and
803 -ffixed-line-length. Add a case for -lang-fortran.
805 2005-11-03 David Edelsohn <edelsohn@gnu.org>
807 * config/rs6000/rs6000.c: Include params.h
808 (optimization_options): Set max-grow-copy-bb-insns default to 16.
809 (bdesc_2arg): Delete vpkuhss and vpkuwss.
810 * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
811 (UNSPEC_VPKUWSS): Delete.
812 (altivec_vpkuhss): Delete.
813 (altivec_vpkuwss): Delete.
814 * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
816 (neg_eq0<mode>): Remove final condition.
817 (neg_eq<mode>): Remove condition and split-condition.
819 2005-11-04 Alan Modra <amodra@bigpond.net.au>
821 * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
822 Use associated print macros.
824 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
827 * diagnostic.c (diagnostic_set_info_translated): New function.
828 (diagnostic_set_info): Use it. Add comment.
829 * diagnostic.h (diagnostic_set_info_translated): Declare.
831 2005-11-03 Eric Botcazou <ebotcazou@adacore.com>
833 * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
834 On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
835 reference only if 'public' is true.
836 (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
837 emit the .hidden directive only if the indirect reference is public.
838 (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
839 Pass it to dw2_force_const_mem.
840 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
841 * dwarf2out.c (output_cfi): Adjust calls to above function.
842 (output_call_frame_info): Likewise.
843 * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
844 as 'public' argument to dw2_asm_output_encoded_addr_rtx.
846 2005-11-03 Zdenek Dvorak <dvorakz@suse.cz>
848 PR tree-optimization/24483
849 * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
850 field to elts if possible.
852 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
855 * gimplifier.c (gimplify_expr): Create a temporary for lvalue
858 2005-11-03 Daniel Berlin <dberlin@dberlin.org>
860 Fix PR tree-optimization/24351
862 * tree-ssa-structalias.c (struct variable_info): Add
864 (get_varinfo_fc): New function to follow collapsing.
865 (new_var_info): Set collapsed_to to NULL.
866 (dump_constraint): Follow collapsing.
867 (build_constraint_graph): Handle collapsing.
868 (do_simple_structure_copy): Return false if something bad
870 (collapse_rest_of_var): New function.
871 (do_structure_copy): Collapse if do_simple_structure_copy returns
874 2005-11-03 Andrew Pinski <pinskia@physics.uc.edu>
877 * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
878 expressions to a statement list instead of gimplifying them.
880 2005-11-03 Eric Botcazou <ebotcazou@libertysurf.fr>
882 PR rtl-optimization/23585
883 * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
884 that can't trap plus a constant integer, if the mode has zero size.
886 2005-11-03 Ulrich Weigand <uweigand@de.ibm.com>
889 * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
891 ("*insv<mode>_reg_extimm"): Likewise.
893 2005-11-03 Joseph S. Myers <joseph@codesourcery.com>
896 * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
897 c_common_type_for_mode returns an unnamed type.
899 2005-11-02 Richard Henderson <rth@redhat.com>
903 * dwarf2out.c (dwarf2out_reg_save_reg): New.
904 (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
905 * function.c (assign_parms): Use calls.internal_arg_pointer.
906 (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
908 * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
909 (TARGET_CALLS): Add it.
910 * target.h (struct gcc_target): Add calls.internal_arg_pointer.
911 * targhooks.c (default_internal_arg_pointer): New.
912 * targhooks.h (default_internal_arg_pointer): Declare.
913 * tree.h (dwarf2out_reg_save_reg): Declare.
914 * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
915 * config/i386/i386.c (dbx_register_map): Add return column.
916 (dbx64_register_map, svr4_dbx_register_map): Likewise.
917 (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
918 (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
919 (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
920 (ix86_save_reg): Save force_align_arg_pointer.
921 (ix86_emit_save_regs): Make regno unsigned.
922 (ix86_emit_save_regs_using_mov): Likewise.
923 (ix86_expand_prologue): Handle force_align_arg_pointer.
924 (ix86_expand_epilogue): Likewise.
925 * config/i386/i386.h: (dbx_register_map): Update.
926 (dbx64_register_map, svr4_dbx_register_map): Update.
927 (struct machine_function): Add force_align_arg_pointer.
928 * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
929 (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
930 (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
932 2005-11-02 Jan Hubicka <jh@suse.cz>
935 * i386.md: Add peep2 for simplyfing array accesses.
937 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
940 * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
941 * config/s390/s390.c (s390_decompose_shift_count): New function.
942 (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
943 (print_shift_count_operand): Use s390_decompose_shift_count.
944 * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
945 Use s390_decompose_shift_count. Do not accept any non-base hard regs.
947 2005-11-02 Ulrich Weigand <uweigand@de.ibm.com>
950 * loop.c (loop_givs_rescan): Use force_operand to expand
953 2005-11-02 Andrew Pinski <pinskia@physics.uc.edu>
956 * fold-const.c (build_range_check): Use unsigned when signed
957 overflow is undefined also. If etype is subtype, make sure that
958 the subtraction is in the supertype.
960 2005-11-02 Richard Henderson <rth@redhat.com>
963 * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
966 2005-11-01 Richard Henderson <rth@redhat.com>
969 * loop.c (scan_loop): Do not propagate computations to a hard
970 register destination with SMALL_REGISTER_CLASSES.
972 2005-11-01 Joseph S. Myers <joseph@codesourcery.com>
974 * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
975 costs for MULT inside PLUS or MINUS.
977 2005-11-01 Bob Wilson <bob.wilson@acm.org>
979 * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
980 (TRAMPOLINE_SIZE): Round up to 60.
981 * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
983 2005-10-31 James E. Wilson <wilson@specifix.com>
986 * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
987 ifdef. Put ifdefs around call in gen_subprogram_die.
988 (compute_frame_pointer_to_cfa_displacement): Likewise.
989 (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
992 PR rtl-optimization/17356
993 * cfgrtl.c (purge_dead_edges): Undo last change. In EDGE_EH code,
994 add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
996 2005-10-31 Jan Hubicka <jh@suse.cz>
999 * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
1002 * i386.c (legitimize_pic_address): Deal with large immediates.
1005 * coverage.c (coverage_checksum_string): Fix code to stip random seeds
1006 from symbol names while computing checkup.
1009 * predict.c (predict_loops): Do not estimate more than
1010 MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
1011 * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
1013 2005-10-31 Andrew MacLeod <amacleod@redhat.com>
1015 PR tree-optimization/19097
1016 * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
1018 2005-10-31 J"orn Rennecke <joern.rennecke@st.com>
1020 * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
1022 2005-10-31 Andrew Pinski <pinskia@physics.uc.edu>
1025 * tree-inline.c (setup_one_parameter): If the init_stmt
1026 is NULL, don't insert the statement.
1028 2005-10-30 Jan Hubicka <jh@suse.cz>
1030 PR tree-optimization/24172
1031 * tree-inline.c (copy_body_r): Unshare the substituted value first.
1033 2005-10-30 Hans-Peter Nilsson <hp@bitrange.com>
1035 * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
1036 constants for hosts with long != 32 bits.
1038 2005-10-28 Andreas Krebbel <krebbel1@de.ibm.com>
1041 * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
1043 2005-10-28 Aldy Hernandez <aldyh@redhat.com>
1045 * config/ms1/ms1.h (TARGET_MS1_64_001): New.
1046 (TARGET_MS1_16_002): New.
1047 (TARGET_MS1_16_003): New.
1049 * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
1050 ("*decrement_and_branch_until_zero_no_clobber"): New.
1051 Add corresponding splitter for decrement_and_branch_until_zero
1053 Key all decrement_and_branch_until_zero patterns off of
1056 2005-10-28 Andrew Pinski <pinskia@physics.uc.edu>
1059 * tree-complex.c (extract_component): Treat RESULT_DECL
1060 like the rest of the decls.
1062 2005-10-25 Eric Botcazou <ebotcazou@adacore.com>
1064 * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
1065 indirect call to _mcount if the function needs a static chain.
1067 2005-10-25 Eric Botcazou <ebotcazou@libertysurf.fr>
1068 Caroline Tice <ctice@apple.com>
1070 PR rtl-optimization/24460
1071 * dwarf2out.c (have_switched_text_sections): New boolean variable.
1072 (dwarf2out_switch_text_section): Set it to true instead of
1073 incrementing separate_line_info_table_in_use.
1074 (output_loc_list): Additionally test have_switched_text_sections.
1075 (output_ranges): Likewise.
1076 (dwarf2out_finish): Likewise.
1077 * varasm.c (assemble_start_function): Do not call
1078 insert_section_boundary_note.
1079 (assemble_end_function): If flag_reorder_blocks_and_partition,
1080 switch to the function's section before emitting the .size directive.
1081 * bb-reorder.c (insert_section_boundary_note): Staticify.
1082 (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
1083 * output.h (insert_section_boundary_note): Delete.
1085 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
1088 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
1089 instead of pointer equality when comparing types.
1091 2005-10-24 James E. Wilson <wilson@specifix.com>
1093 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
1094 add_dependence_list_and_free calls.
1096 2005-10-24 Steven Bosscher <stevenb@suse.de>
1098 * contrib.texi: Add the names of the LLNL folks who donated
1099 Cray pointer support for gfortran.
1101 2005-10-24 Steven Bosscher <stevenb@suse.de>
1103 PR tree-optimization/24225
1104 * profile.c (branch_prob): Look from end to start through a
1105 basic block when looking for a locus.
1107 2005-10-24 Richard Henderson <rth@redhat.com>
1109 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
1111 (hppa_expand_prologue): Likewise.
1113 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1115 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
1116 (NO_DEFERRED_PROFILE_COUNTERS): Define.
1117 * pa.h (NO_PROFILE_COUNTERS): Define.
1118 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
1119 (funcdef_nos): New vector to hold label numbers of deferred profile
1121 (output_deferred_profile_counters): New function.
1122 (hppa_profile_hook): Push label number onto funcdef_nos.
1123 (pa_hpux_file_end): Call output_deferred_profile_counters if
1124 NO_DEFERRED_PROFILE_COUNTERS is false.
1126 * pa-protos.h (get_deferred_plabel): New prototype.
1127 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
1129 (output_call): Adjust calls.
1131 2005-10-24 Alan Modra <amodra@bigpond.net.au>
1133 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
1134 peculiarity of GOT/TOC section usage.
1136 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
1139 * c-common.c (constant_string_class_name): Add documentation.
1141 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
1144 * recog.c (peephole2_optimize): Increment peep2_current_count
1145 only when the slot is empty.
1147 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1150 * except.c (output_function_exception_table): Call
1151 assemble_external_libcall if we need a personality function.
1153 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
1155 PR rtl-optimization/24460
1156 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
1157 set the basic block for barriers.
1159 2005-10-21 Janis Johnson <janis187@us.ibm.com>
1161 * var-tracking.c (vt_initialize): Initialize post.
1163 2005-10-21 Devang Patel <dpatel@apple.com>
1166 * c-common.c (vector_types_convertible_p): Check vector element type.
1168 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
1170 * config/sh/sh.c (prepare_move_operands): Handle the address
1171 constant which is a tls symbolic address plus a constant.
1173 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
1176 * gcc.c (main): Use the correct counter for erroring out
1177 about mulitple files.
1179 2005-10-21 Alan Modra <amodra@bigpond.net.au>
1182 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
1183 use r2 for 64-bit tls .got access.
1185 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
1187 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
1190 2005-10-20 Steven Bosscher <stevenb@suse.de>
1192 PR tree-optimization/24307
1193 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
1195 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
1198 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
1200 * varasm.c (find_decl_and_mark_needed): After cgraph global info
1201 is ready, stop marking functions, but still mark variables.
1203 2005-10-20 Richard Guenther <rguenther@suse.de>
1206 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
1209 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
1211 PR rtl-optimization/23585
1212 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
1213 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
1214 (may_trap_p_1): New predicate extracted from...
1215 (may_trap_p): ... here. Invoke may_trap_p_1.
1216 (may_trap_or_fault_p): New predicate.
1217 * rtl.h (may_trap_or_fault_p): Declare it.
1218 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
1219 instead of may_trap_p.
1220 (steal_delay_list_from_fallthrough): Likewise.
1221 (fill_simple_delay_slots): Likewise.
1222 (fill_slots_from_thread): Likewise.
1223 * function.c (pad_to_arg_alignment): Rework comment about
1224 SPARC_STACK_BOUNDARY_HACK.
1225 * config/sparc/sparc.h: Likewise.
1227 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
1229 * config/s390/s390.c (s390_expand_insv): New.
1230 * config/s390/s390-protos.h (s390_expand_insv): Declare.
1231 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
1232 ("icm_hi"): Remove mode attribute.
1233 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
1235 ("*extracthi", "*extractqi"): Remove.
1236 (extv<mode>", "*extzv<mode>"): New.
1237 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
1238 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
1240 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1242 * cfgexpand.c (discover_nonconstant_array_refs_r,
1243 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
1244 (tree_expand_cfg): Call discover_nonconstant_array_refs.
1245 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
1246 discover_nonconstant_array_refs.
1248 2005-10-19 Steven Bosscher <stevenb@suse.de>
1251 * c-decl.c (pop_scope): Don't warn about an unused variable
1252 if it is marked with TREE_NO_WARNING.
1253 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
1254 somenow mismatch and olddecl is to be replaced.
1256 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
1259 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
1260 whether registers live on the edge can be saved/restored.
1262 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
1264 * config/sh/sh.c (fixup_mova): Skip notes.
1266 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1268 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
1269 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
1270 (s390_can_eliminate): Handle BASE_REGNUM elimination.
1271 (s390_initial_elimination_offset): Likewise.
1272 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
1273 register on TARGET_ZARCH targets.
1274 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
1275 (INITIAL_FRAME_POINTER_OFFSET): Remove.
1276 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
1277 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
1279 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1281 * config/s390/s390.md: Comment describing output modifiers updated.
1282 * config/s390/s390.c (print_operand): Likewise.
1284 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
1286 * config/s390/s390.c (override_options): Added check for -mstack-size
1288 * doc/invoke.texi: Mention that limit in the documenation.
1290 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
1293 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
1295 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
1297 Fix PR tree-optimization/24231
1299 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
1300 (compute_avail): Ditto.
1302 2005-10-18 Richard Henderson <rth@redhat.com>
1305 * config/i386/i386.c (legitimate_constant_p): Check
1306 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
1308 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
1309 (legitimate_pic_address_disp_p): Reorg CONST checking to make
1310 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
1312 (print_operand_address): Likewise.
1313 * config/i386/predicates.md (x86_64_immediate_operand): Test
1314 SYMBOL_REF_TLS_MODEL properly inside CONST.
1315 (x86_64_zext_immediate_operand): Likewise.
1316 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
1317 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
1318 * config/i386/i386-protos.h: Remove predicates.md entries.
1320 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
1322 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
1323 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
1325 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
1326 Ian Lance Taylor <ian@airs.com>
1329 * fold-const.c (fold_widened_comparison): Do not allow range based
1330 constant folding when right operand cannot be unwidened.
1332 2005-10-17 Richard Henderson <rth@redhat.com>
1334 * builtins.c (expand_builtin_synchronize): Build a new-style asm
1335 with a memory clobber.
1337 2005-10-17 James E Wilson <wilson@specifix.com>
1339 PR rtl-optimization/17356
1340 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
1341 checking for EDGE_EH.
1343 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
1345 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
1346 the slot on an even boundary for any type with 16-byte alignment.
1348 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
1351 * md.texi (Modifiers) <%>: Clarify that % doesn't work
1352 after register allocation.
1354 2005-10-17 DJ Delorie <dj@redhat.com>
1356 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
1359 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
1362 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
1365 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
1367 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
1368 to 2 if it's already non-zero.
1369 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
1370 is set and warn about it if flag_schedule_insns is 1.
1372 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
1374 * config/crx/crx.md: Compare-and-branch instructions need to
1377 2005-10-17 Uros Bizjak <uros@kss-loka.si>
1380 * config/i386/i386.md (*pushdi2_rex64 splitter)
1381 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
1382 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
1383 flow2 pass only when (optimize > 0 && flag_peephole2).
1385 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
1388 * gcc.c (have_c): New static variable.
1390 (process_command): Remove declation of have_c.
1391 Set have_o to 1 when handling -o.
1392 (main): Add a fatel error if there are multiple
1393 files specified and -o and -c/-S is passed witout
1394 -combine or multiple languages.
1396 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
1398 Fix PR tree-optimization/22444
1399 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
1400 Assert that we don't hit something with subvars.
1401 (setup_pointers_and_addressables): Don't add things with subvars,
1402 because we'll already process the subvars for aliasing purposes.
1404 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
1407 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
1408 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
1409 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
1410 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
1411 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
1412 swapped, alternatives for the R constraint.
1415 * builtins.c (get_builtin_sync_mode): Make unlimited
1416 mode_for_size request.
1418 2005-10-15 Richard Henderson <rth@redhat.com>
1420 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
1421 (gimplify_expr): ... here.
1422 (gimplify_compound_lval): Use it in initial scan loop. Allow
1423 fb_lvalue in base expression.
1425 2005-10-15 Richard Henderson <rth@redhat.com>
1428 * builtins.c (expand_builtin_trap): Export.
1429 * expr.h (expand_builtin_trap): Declare.
1430 * expr.c (expand_assignment): Emit a trap for integral offsets
1431 from registers that weren't reduced to bitpos.
1433 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
1434 (mark_array_ref_addressable): Remove.
1435 * tree-flow.h (mark_array_ref_addressable): Remove.
1436 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
1438 2005-10-15 James E Wilson <wilson@specifix.com>
1441 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
1442 (add_dependence_list_and_free): Likewise.
1443 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
1446 2005-10-15 Diego Novillo <dnovillo@redhat.com>
1450 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
1451 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
1453 (vrp_visit_phi_node): Only prevent infinite iterations when
1454 the previous result and the new result are both VR_RANGEs.
1456 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
1458 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
1461 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1464 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
1467 2005-10-14 Per Bothner <per@bothner.com>
1469 PR preprocessor/21250
1470 * c-ppoutput.c (print_line): Print internal line 0 as 1.
1472 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
1475 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
1476 overflow flags. Refactor some conditionals.
1478 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
1481 * tree-dfa.c (add_referenced_var): Only look at decls which
1482 have TREE_CONSTANT or TREE_READONLY set instead of if
1483 !TREE_PUBLIC or !TREE_CONSTANT.
1485 2005-10-13 James E Wilson <wilson@specifix.com>
1487 * doc/invoke.texi: For -x, add f95-cpp-input.
1488 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
1490 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
1492 PR tree-optimization/24262
1493 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
1494 in loop all the time.
1496 2005-10-12 Richard Henderson <rth@redhat.com>
1499 * tree.h (DECL_TRANSPARENT_UNION): Remove.
1500 * function.c (assign_parm_find_data_types): Don't support it.
1501 * print-tree.c (print_node): Likewise.
1502 * c-common.c (handle_transparent_union_attribute): Likewise.
1503 Use build_duplicate_type.
1504 * tree-inline.c (remap_type_1): Split out of remap_type;
1505 properly remap aggregate fields.
1506 (build_duplicate_type): New.
1507 * doc/extend.texi (Variable Attributes): Remove documentation
1508 for transparent_union.
1510 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1513 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
1514 (gen_stack_pointer_dec): Likewise.
1516 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
1520 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
1522 (struct cxx): Add adjust_class_at_definition target hook.
1523 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
1524 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
1525 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
1526 hook_void_tree. Add to TARGET_CXX.
1527 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
1529 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
1530 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
1531 instead of attribute. Check for dllexport override. Warn if
1532 inconsistent dll linkage. Don't lose old dllimport if decl has
1533 had address referenced. Tweak lookup of dllimport atribute.
1534 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
1535 for target specific rules. Don't add dllimport attribute if
1536 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
1537 dllimport attribute.
1538 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
1539 * varasm.c (initializer_constant_valid_p): Replace
1540 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
1544 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
1545 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
1546 (i[34567]86-*-mingw32*): Likewise.
1548 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
1549 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
1551 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
1552 C++-specific code. Change return value to bool.
1553 (i386_pe_dllimport_p): Likewise.
1554 (associated_type): Simplify and make language-independent
1555 (i386_pe_encode_section_info): Replace override of ambiguous
1556 dllimport symbol refs with a gcc_assert.
1557 (i386_pe_valid_dllimport_attribute_p): Define.
1558 * config/i386/winnt-cxx.c: New file. Define C++ versions of
1559 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1560 i386_pe_adjust_class_at_definition.
1561 * config/i386/winnt-stubs.c: New file. Define stub versions of
1562 lang-specific functions.
1563 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
1564 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
1565 i386_pe_adjust_class_at_definition.
1566 (i386_pe_valid_dllimport_attribute_p): Declare.
1567 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
1568 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
1569 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
1572 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
1573 dllimport attribute with test of DECL_DLLIMPORT_P.
1575 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
1577 * combine.c (make_extraction): Correct offset computation.
1579 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
1581 * config/cris/t-linux (LIMITS_H_TEST): Define.
1583 2005-10-12 Richard Henderson <rth@redhat.com>
1586 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
1588 2005-10-12 Richard Guenther <rguenther@suse.de>
1590 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
1592 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
1595 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
1596 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
1599 2005-10-12 Richard Guenther <rguenther@suse.de>
1602 * varasm.c (output_constant): Correct typo from previous
1605 2005-10-11 Ian Lance Taylor <ian@airs.com>
1607 PR rtl-optimization/13931
1608 * combine.c: Revert patch of 2003-05-14, and:
1609 (try_combine): Only set elim_i1 and elim_i2 if the destination is
1610 completely killed in the appropriate insn.
1611 (distribute_notes): Don't skip multiple hard register test for
1612 elim_i1 and elim_i2.
1614 2005-10-11 Richard Henderson <rth@redhat.com>
1617 * c-typeck.c (convert_for_assignment): Use build_constructor_single
1618 to initialize a transparent union instead of a nop_expr.
1620 2005-10-11 Richard Henderson <rth@redhat.com>
1622 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
1623 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
1624 (tree_ssa_dce_loop): Call scev_reset.
1627 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
1628 * tree-ssa-dce.c: Include cfgloop.h.
1629 (tree_ssa_dce_loop, pass_dce_loop): New.
1630 * tree-pass.h (pass_dce_loop): Declare it.
1631 * passes.c (init_optimization_passes): Use it.
1633 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1636 * convert.c (convert_to_real): Revert 2005-10-05 patch.
1637 Only apply the optimization for rounding builtins if the inner
1638 cast is also an extension.
1640 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
1643 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
1644 mark_new_vars_to_rename instead of update_stmt.
1646 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
1648 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
1650 2005-10-11 Jakub Jelinek <jakub@redhat.com>
1652 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
1653 for setting MMX register to 0 rather than mmx.
1655 2005-10-10 Steve Ellcey <sje@cup.hp.com>
1658 * configure.ac: Move gas check from mips specific case to common case.
1659 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
1660 * configure: Regenerate
1661 * doc/install.texi: Update.
1663 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1666 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
1668 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
1670 * gcc.c (do_spec_1): Accept numeric characters in file name
1673 2005-10-10 Nick Clifton <nickc@redhat.com>
1675 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
1676 describing the deleted arm_gen_rotated_half_load function.
1678 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
1680 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
1683 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
1685 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
1687 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
1688 (EXTRA_MULTILIB_PARTS): Define.
1689 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1690 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1691 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
1692 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
1693 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
1694 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
1696 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
1698 PR tree-optimization/24226
1699 * tree-cfg.c (remove_bb): Clean up unreachable loops.
1700 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
1701 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
1704 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
1706 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
1708 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
1711 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
1712 Rewrite for no need for the early clobber.
1714 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1716 Merge from csl-arm-branch:
1717 2005-09-07 Paul Brook <paul@codesourcery.com>
1718 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
1721 2005-04-30 Paul Brook <paul@codesourcery.com>
1722 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
1723 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
1725 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
1726 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
1727 (arm_override_options): Use TARGET_AAPCS_BASED.
1728 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
1729 (PTRDIFF_TYPE): Use int for AAPCS.
1730 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
1731 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
1732 (DEFAULT_SHORT_ENUMS): Delete.
1733 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
1735 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
1736 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
1737 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
1738 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
1740 2004-12-03 Mark Mitchell <mark@codesourcery.com>
1741 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
1743 2004-11-22 Mark Mitchell <mark@codesourcery.com>
1744 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
1746 2004-11-19 Mark Mitchell <mark@codesourcery.com>
1747 * config.gcc (arm*-*-linux-gnueabi): Add it.
1748 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
1750 (TARGET_OS_CPP_BUILTINS): Likeiwse.
1751 * config/arm/linux-eabi.h: New file.
1752 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
1753 (LINUX_TARET_LINK_SPEC): Likewise.
1754 (LINK_SPEC): Use it.
1755 * config/arm/t-linux-eabi: New file.
1757 2005-10-08 Steven Bosscher <stevenb@suse.de>
1760 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
1762 (PARAM_SMS_DFA_HISTORY): Likewise.
1764 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
1767 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
1768 (load_register_parameters): Call it.
1769 (check_sibcall_argument_overlap_1): Likewise.
1770 (store_one_arg): Likewise.
1772 2005-10-07 James E. Wilson <wilson@specifix.com>
1774 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
1775 DImode not VECINT24 for operand 2.
1778 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
1782 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
1783 fr_spill): Use destination_operand for operand 0.
1785 2005-10-07 DJ Delorie <dj@redhat.com>
1787 * varasm.c (output_constant): Limit error to expanding
1790 2005-10-07 Richard Guenther <rguenther@suse.de>
1793 * fold-const.c (fold_binary): Fix operand types during folding
1794 of X op (A, Y). Evaluation order of the side-effects of
1795 X and A are frontend-defined, so ensure we honour that even for
1796 tcc_comparison class operands; eased by removing duplicate code.
1798 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1800 * stor-layout.c (layout_type): Do not allow alignment of array
1801 elements to be greater than their size.
1803 2005-10-07 Steve Ellcey <sje@cup.hp.com>
1805 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
1807 (hppa*-*-linux*): Ditto.
1808 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
1809 * config/host-hpux.c: New.
1810 * config/x-hpux: New.
1811 * config/pa/x-hpux: Remove.
1812 * config/pa/x-linux: Remove.
1813 * config/pa/pa-host.c: Remove.
1815 2005-10-07 Jeff Law <law@redhat.com>
1817 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
1818 determine whether or not to try and thread outgoing edges.
1820 2005-10-07 David Edelsohn <edelsohn@gnu.org>
1822 * config/rs6000/rs6000.md (eqsi_power): New.
1823 (neg_eq0si): Add TARGET_POWER to final condition.
1826 2005-10-06 Richard Henderson <rth@redhat.com>
1828 * config/rs6000/rs6000.c: Revert last change.
1830 2005-10-06 Richard Henderson <rth@redhat.com>
1832 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
1833 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
1835 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
1839 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
1840 out return_label and naked_return_label.
1842 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1844 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
1847 2005-10-06 Richard Henderson <rth@redhat.com>
1850 * tree-inline.c (declare_return_variable): Handle modify_dest not
1853 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
1855 Fix PR tree-optimization/22488
1856 * tree-ssa-structalias.c (check_for_overlaps): New function.
1857 (create_variable_info_for): Use it.
1859 2005-10-06 Richard Henderson <rth@redhat.com>
1862 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
1863 (dwarf2out_start_source_file): Print it.
1865 2005-10-06 Geoffrey Keating <geoffk@apple.com>
1867 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
1869 2005-10-06 Richard Henderson <rth@redhat.com>
1872 * mode-switching.c (optimize_mode_switching): Clear transp bit
1873 for block with incomming abnormal edges.
1875 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
1876 (fpscr_set_from_mem): Use them.
1877 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
1878 (fpscr postinc splitters): Rewrite as peephole2+split.
1880 2005-10-06 David Edelsohn <edelsohn@gnu.org>
1882 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
1883 (eq<mode>_compare): Same.
1885 2005-10-06 Richard Guenther <rguenther@suse.de>
1887 PR tree-optimization/24238
1888 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
1890 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
1892 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
1893 here. Use AC_PATH_PROG for environment variables instead of
1895 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
1897 * configure: Regenerated.
1899 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
1902 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
1903 then force it into a register.
1904 (call_value): Likewise.
1906 2005-10-06 Richard Henderson <rth@redhat.com>
1909 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
1910 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
1911 under pass_vectorize.
1913 2005-10-05 Devang Patel <dpatel@apple.com>
1916 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
1917 handling constants. Check NAMESPACE_DECL context for constants.
1919 2005-10-05 Eric Christopher <echristo@apple.com>
1921 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
1923 2005-10-05 Richard Henderson <rth@redhat.com>
1926 * tree-cfg.c (mark_array_ref_addressable_1): New.
1927 (mark_array_ref_addressable): New.
1928 * tree-flow.h (mark_array_ref_addressable): Declare.
1929 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
1931 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
1935 * reload.c (subst_reloads): When adding a REG_LABEL to a
1936 jump instruction, also update JUMP_LABEL.
1938 2005-10-05 David Edelsohn <edelsohn@gnu.org>
1940 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
1941 * bb-reorder.c (copy_bb_p): Use it.
1942 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
1944 2005-10-05 Richard Henderson <rth@redhat.com>
1947 * toplev.c (process_options): Warn about unsupported combinations
1948 of unwind tables and omit-frame-pointer.
1949 * config/i386/i386.c (override_options): Similarly. Enable
1950 accumulate-outgoing-args if not explicitly disabled.
1952 2005-10-05 Steve Ellcey <sje@cup.hp.com>
1954 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
1955 Handle big endian vs. small endian.
1956 (vec_initv2sf): Handle big endian vs. small endian.
1957 (*vec_extractv2sf_1): Ditto.
1959 2005-10-05 Dale Johannesen <dalej@apple.com>
1961 * convert.c (convert_to_real): Don't convert
1962 (float)floor(double d) to floorf((float)d).
1964 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
1966 * config/arm/arm.md (insv): Use gen_int_mode in more places.
1968 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
1970 PR tree-optimization/18587
1971 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
1972 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
1973 build_vuses): Change to VEC type.
1974 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
1975 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
1976 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
1977 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
1978 (get_name_decl): New. Return DECL_UID of base variable.
1979 (operand_build_cmp): New. qsort comparison routine.
1980 (operand_build_sort_virtual): New. Sort virtual build vector.
1981 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
1982 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
1983 (FINALIZE_BASE): Use get_name_decl.
1984 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
1985 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
1986 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
1987 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
1988 direct VEC_* manipulations.
1989 (build_ssa_operands): Call operand_build_sort_virtual.
1990 (copy_virtual_operand, create_ssa_artficial_load_stmt,
1991 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
1992 with direct VEC_* manipulations.
1993 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
1994 with direct VEC manipulations.
1996 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
1998 PR tree-optimization/21419
1999 PR tree-optimization/24146
2000 PR tree-optimization/24151
2002 * c-typeck.c (readonly_error): Handle USE being lv_asm.
2003 (build_asm_expr): Call it if outputs are read-only.
2004 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
2006 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
2007 Paolo Bonzini <bonzini@gnu.org>
2011 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
2012 enable the instructions and not just the built-ins.
2013 * doc/invoke.texi (x86 Options): Likewise.
2015 2005-10-04 Geoffrey Keating <geoffk@apple.com>
2017 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
2019 * doc/invoke.texi (Option Summary): Correct spelling
2020 of -mmacosx-version-min.
2022 2005-10-04 Devang Patel <dpatel@apple.com>
2024 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
2027 2005-10-04 Steve Ellcey <sje@cup.hp.com>
2029 * tree-vect-transform.c (vect_create_epilog_for_reduction):
2030 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
2032 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
2034 * config/s390/s390.md ("TDSI","DP"): New mode macros.
2035 ("TE","tg"): New mode attributes.
2036 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
2037 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
2038 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
2039 dword_mode and one for GPRmode.
2041 2005-10-04 Ian Lance Taylor <ian@airs.com>
2043 PR preprocessor/13726
2044 * c-ppoutput.c (cb_include): Add comments parameter, and print out
2045 any comments passed in.
2047 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2049 * tree.c (annotate_with_file_line): Fix typo.
2051 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2054 * builtins.c (fold_builtin_memcmp): When constructing the pointer
2055 type used to access data in the inlined length == 1 case, use
2056 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
2057 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
2059 2005-10-04 Uros Bizjak <uros@kss-loka.si>
2061 * config/i386/i386.h (TARGET_FISTTP): Enable also for
2062 TARGET_SSE3 and only for TARGET_80387.
2063 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
2064 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
2065 Do not depend on TARGET_80387.
2067 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2069 * tree.c (last_annotated_node): Change type to location_t*.
2070 (annotate_with_file_line): Reflect the change of
2071 last_annotated_node type.
2073 2005-10-04 Richard Guenther <rguenther@suse.de>
2076 * c-decl.c (grokdeclarator): Don't write to fields
2079 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
2082 * c-decl.c (finish_decl): Use set_user_assembler_name even for
2084 * varasm.c (make_decl_rtl): If a register variable does not
2085 have a set user assmbler name, error out.
2086 Decode the asmspec is now name+1 bypassing '*'.
2088 2005-10-04 Steven Bosscher <stevenb@suse.de>
2090 PR tree-optimization/23049
2091 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
2092 of a COND_EXPR is folded before calling fold on the whole rhs of a
2093 conditional assignment.
2094 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
2095 document that a COND_EXPR may appear there.
2097 2005-10-03 Diego Novillo <dnovillo@redhat.com>
2100 * tree-vrp.c (extract_range_from_assert): If the new numeric
2101 range created out of the assertion contradicts the existing
2102 numeric range of the ASSERT_EXPR variable, make the new range
2105 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
2107 * config/sh/sh.c (sh_register_move_cost): Add case for moving
2108 from T_REGS to FP register class.
2110 2005-10-03 Richard Henderson <rth@redhat.com>
2113 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
2114 before creating a new one.
2116 2005-10-03 David Edelsohn <edelsohn@gnu.org>
2118 * config/rs6000/t-aix43 (LDFLAGS): New.
2119 * config/rs6000/t-aix52 (LDFLAGS): New.
2121 2005-10-03 Ian Lance Taylor <ian@airs.com>
2123 * gimplify.c (find_single_pointer_decl_1): New static function.
2124 (find_single_pointer_decl): New static function.
2125 (internal_get_tmp_var): For a formal variable, set restrict base
2126 information if appropriate.
2127 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
2129 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
2130 (DECL_GET_RESTRICT_BASE): Define.
2131 (SET_DECL_RESTRICT_BASE): Define.
2132 (decl_restrict_base_lookup): Declare.
2133 (decl_restrict_base_insert): Declare.
2134 (struct tree_decl_with_vis): Add based_on_restrict_p field.
2135 * tree.c (restrict_base_for_decl): New static variable.
2136 (init_ttree): Initialize restrict_base_for_decl.
2137 (copy_node_stat): Copy restrict base information.
2138 (decl_restrict_base_lookup): New function.
2139 (decl_restrict_base_insert): New function.
2140 (print_restrict_base_statistics): New static function.
2141 (dump_tree_statistics): Call print_restrict_base_statistics.
2143 2005-10-02 Diego Novillo <dnovillo@redhat.com>
2146 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
2147 case of anti-ranges.
2149 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
2152 * c-typeck.c (tagged_tu_seen): Rename to ...
2153 (tagged_tu_seen_cache): this and add val field.
2154 (comptypes): Move functional to comptypes_internal
2155 and free tagged_tu_seen.
2156 (comptypes_internal): New function and call comptypes_internal
2157 instead of comptypes. Speed up by sibcalling
2158 tagged_types_tu_compatible_p.
2159 (alloc_tagged_tu_seen): New function
2160 (free_all_tagged_tu_seen_up_to): New function.
2161 (tagged_types_tu_compatible_p): Return the val of the seen two
2163 Add that the two types are the same to tagged_tu_seen_base
2164 if they are and call comptypes_internal instead of comptypes.
2165 <case UNION_TYPE>: Speed up common type where the fields are
2167 (function_types_compatible_p): Call comptypes_internal instead of
2169 (type_lists_compatible_p): Likewise.
2170 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
2172 2005-10-02 Matthias Klose <doko@debian.org>
2174 * doc/invoke.texi: Fix typo and speling error.
2176 2005-10-01 Richard Henderson <rth@redhat.com>
2178 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
2180 2005-10-01 Mark Mitchell <mark@codesourcery.com>
2182 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
2183 using --start-group and --end-group.
2185 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2187 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
2188 FIXME note regarding quirky semantics.
2190 2005-10-01 Diego Novillo <dnovillo@redhat.com>
2193 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
2194 non-null range as a last resort.
2196 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
2197 Diego Novillo <dnovillo@redhat.com>
2200 * tree-vrp.c (extract_range_from_assert): For !=
2201 assertions, only build an anti-range if LIMIT is a
2202 single-valued range.
2204 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
2206 * arm.md (movqi): On thumb when optimizing, handle loading from
2207 memory by describing this as taking a subreg of a zero-extended load
2208 into an SImode register.
2211 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
2213 * reload1.c (merge_assigned_reloads): Do not change any
2214 RELOAD_FOR_OUTPUT_ADDRESS reloads.
2216 2005-09-30 Geoffrey Keating <geoffk@apple.com>
2218 * Makefile.in (LIPO_FOR_TARGET): Define.
2219 (STRIP_FOR_TARGET): Define.
2221 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
2222 before creating new ones. Do symlinks before creating the actual
2225 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
2226 to work out which multilibs are actually being built.
2228 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
2230 * tree-vect-transform.c, config/ms1/ms1.md,
2231 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
2232 Follow spelling conventions.
2233 * doc/invoke.texi, doc/md.texi: Fix typos.
2235 2005-09-30 Andrew Macleod <amacleod@redat.com>
2237 PR tree-optimization/21430
2238 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
2239 use operands, and set stmt pointer if need be.
2240 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
2241 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
2244 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2247 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
2249 2005-09-29 Mark Mitchell <mark@codesourcery.com>
2251 * optabs.c (expand_binop): Initialize first_pass_p.
2253 2005-09-29 Jakub Jelinek <jakub@redhat.com>
2256 * c-decl.c (c_write_global_declarations_1): If any
2257 wrapup_global_declaration_2 call returned true, restart the loop.
2259 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
2261 Fix PR tree-optimization/24117
2262 * tree-ssa-structalias.c (find_func_aliases): Strip nops
2263 before considering whether to use anyoffset.
2265 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2269 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2271 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2273 (swap_commutative_operands_with_target): New.
2275 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
2278 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
2281 2005-09-29 Steven Bosscher <stevenb@suse.de>
2283 PR tree-optimization/23911
2284 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
2285 and IMAGPART_EXPR too.
2287 2005-09-28 Mark Mitchell <mark@codesourcery.com>
2290 * expmed.c (expand_shift): Move logic to reverse rotation
2291 direction when rotating by constants ...
2292 * optabs.c (expand_binop): ... here.
2293 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
2294 (ix86_rotrdi3): New pattern.
2295 (rotldi3): Handle 32-bit mode.
2296 (ix86_rotldi3): New pattern.
2298 2005-09-29 Alan Modra <amodra@bigpond.net.au>
2301 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
2302 check for numbers that need no bit twiddle.
2304 2005-09-28 Geoffrey Keating <geoffk@apple.com>
2306 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
2307 multilib to be built.
2309 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
2310 (stage1-start): Delete old libgcc and libunwind before moving
2311 anything into the stage directory.
2312 (stage2-start): Likewise.
2313 (stage3-start): Likewise.
2314 (stage4-start): Likewise.
2315 (stageprofile-start): Likewise.
2316 (stagefeedback-start): Likewise.
2317 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
2318 header in tm_file and CPU-specific t-darwin in tmake_file.
2319 (i[34567]86-*-darwin*): Don't change tm_file.
2320 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
2321 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
2322 shared library stub for target OS version.
2323 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
2324 (SHLIB_LINK): Don't make SHLIB_SOLINK.
2325 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
2326 (libgcc_s.%.dylib): New.
2328 (install-darwin-libgcc-stubs): New.
2329 (INSTALL_LIBGCC): New append.
2330 * config/i386/darwin-libgcc.10.4.ver: New.
2331 * config/i386/darwin-libgcc.10.5.ver: New.
2332 * config/i386/t-darwin: New.
2333 * config/rs6000/darwin-libgcc.10.4.ver: New.
2334 * config/rs6000/darwin-libgcc.10.5.ver: New.
2335 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
2336 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
2338 2005-09-28 Paul Brook <paul@codesourcery.com>
2340 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
2343 2005-09-28 Richard Guenther <rguenther@suse.de>
2345 PR tree-optimization/23853
2346 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
2347 host_integerp to verify misalignment value.
2349 2005-09-28 Richard Henderson <rth@redhat.com>
2351 * builtins.c (get_builtin_sync_mode): New.
2352 (expand_builtin_sync_operation): Pass in mode argument.
2353 (expand_builtin_compare_and_swap): Likewise.
2354 (expand_builtin_lock_test_and_set): Likewise.
2355 (expand_builtin_lock_release): Likewise.
2356 (expand_builtin): Update to match.
2358 2005-09-28 Nick Clifton <nickc@redhat.com>
2360 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
2361 formatting. Add check to PLUS case to ensure that the offset is
2362 within an acceptable range.
2364 * config/v850/v850.md (casesi): Disable the generation of the
2365 switch pattern as it is not being handled properly at the moment.
2367 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
2368 for when the high words are identical.
2370 2005-09-27 Richard Henderson <rth@redhat.com>
2372 * pretty-print.c (pp_base_format): Fix typo for %>.
2374 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
2375 Devang Patel <dpatel@apple.com>
2377 PR tree-optimization/23625
2378 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
2379 LABEL_EXPR, assertion check.
2381 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
2383 * optabs.c (no_conflict_move_test): Check if a result of a
2384 to-be-moved insn would be clobbered by an originally
2387 2005-09-27 Jeff Law <law@redhat.com>
2389 * passes.c (init_optimization_passes): Replace copy propagation
2390 passes immediately after DOM with phi-only copy propagation
2391 pases. Add phi-only copy propagation pass after first DOM pass.
2392 * tree-pass.h (pass_phi_only_copy_prop): Declare.
2393 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
2394 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
2395 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
2396 to init_copy_prop. Callers updated.
2397 (do_phi_only_copy_prop): New function.
2398 (pass_phi_only_copy_prop): New pass descriptor.
2400 2005-09-27 Nick Clifton <nickc@redhat.com>
2402 * libgcc2.c (__popcount_tab): Remove redundant prototype.
2404 2005-09-26 Jason Merrill <jason@redhat.com>
2407 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
2409 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
2411 2005-09-26 James E Wilson <wilson@specifix.com>
2413 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
2414 copyright. Add gcc copyright plus libgcc exception.
2415 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
2417 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
2419 2005-09-26 Jeff Law <law@redhat.com>
2421 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
2422 about when to iterate.
2424 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
2427 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
2428 for __complex__ double in -mcpu=G5 mode.
2430 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
2432 PR tree-optimization/23942
2433 * Makefile.in (SCEV_H): Depends on PARAMS_H.
2434 * tree-scalar-evolution.c: Include params.h.
2436 (follow_ssa_edge, follow_ssa_edge_in_rhs,
2437 follow_ssa_edge_in_condition_phi_branch,
2438 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
2439 Change return type to t_bool. Use a parameter to limit the size of
2440 trees that are walked before stopping
2441 (analyze_evolution_in_loop): Initialize the limit to 0.
2442 (follow_ssa_edge): Give up by returning t_dont_know if the limit
2443 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2445 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2448 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
2449 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
2451 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
2453 * combine.c (make_extraction): Check for valid use of subreg.
2455 2005-09-26 Uros Bizjak <uros@kss-loka.si>
2458 * config/i386/i386.md ("*fistdi2_1"): New pattern.
2459 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
2460 ("fist<mode>2_with_temp"): Use only register operands.
2462 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
2464 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
2465 CALL_INSN_FUNCTION_USAGE.
2467 2005-09-26 Richard Guenther <rguenther@suse.de>
2470 * gcse.c: Include hashtab.h, define ldst entry hashtable.
2471 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
2472 (ldst_entry): Use the hashtable instead of list-walking.
2473 (find_rtx_in_ldst): Likewise.
2474 (free_ldst_entry): Free the hashtable.
2475 (compute_ld_motion_mems): Create the hashtable.
2476 (trim_ld_motion_mems): Remove entry from hashtable if
2477 removing it from list.
2478 (compute_store_table): Likewise^2.
2479 (store_motion): Free hashtable in case we did not see
2482 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
2484 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2485 and arg1 if we are passing them to fold_build2.
2487 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
2490 * config/i386/i386.c (ix86_function_regparm): Fix the test for
2493 2005-09-25 Richard Henderson <rth@redhat.com>
2495 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
2496 SYMBOL_REF_TLS_MODEL to be correct.
2498 2005-09-24 Richard Henderson <rth@redhat.com>
2500 * ipa-type-escape.c (discover_unique_type): Remove dead code at
2501 end of function. Reindent.
2503 2005-09-24 Ian Lance Taylor <ian@airs.com>
2505 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
2506 NEGATE_EXPR/BIT_NOT_EXPR case.
2508 2005-09-24 Richard Henderson <rth@redhat.com>
2510 * c-common.c (handle_mode_attribute): When not modifying in place,
2511 create subtypes for enumerations.
2512 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
2513 * gimplify.c (create_tmp_from_val): Likewise.
2515 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
2517 * config/i386/i386.md (*tls_global_dynamic_64,
2518 *tls_local_dynamic_base_64): Add missing mode to call.
2519 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
2521 2005-09-24 Jan Hubicka <jh@suse.cz>
2523 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
2524 (cgraph_clone_node): Likewise.
2525 * cgraph.h (cgraph_clone_edge): Update prototype.
2526 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
2527 duplicated prototypes; add updating argument.
2528 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
2529 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
2531 (cgraph_mark_inline_edge): Likewise.
2532 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
2533 (cgraph_flatten_node): Likewise.
2534 (cgraph_decide_recursive_inlining): Likewise.
2535 (cgraph_decide_inlining_of_small_function): Likewise.
2536 * tree-optimize.c (tree_rest_of_compilation): Likewise.
2538 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2539 Pete Steinmetz <steinmtz@us.ibm.com>
2541 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
2542 (rldic.): Set type to "compare".
2544 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
2545 mfjmpr for MFCTR/MFLR.
2546 (movdf_hardfloat64): Same.
2547 (movdf_softfloat64): Same. Correct order of store and move types.
2548 (movti_string): Set type to store_ux/load_ux.
2549 (load_multiple): Set type to load_ux.
2550 (store_multiple): Set type to store_ux.
2551 (movmemsi): Set type to store_ux.
2552 (output_cbranch direct_return): Set type to jmpreg.
2553 (stmw): Set type to store_ux.
2554 (lmw): Set type to load_ux.
2555 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
2556 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
2557 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
2558 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
2559 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
2560 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
2561 (rios1-fpstore): Increase latency to 3.
2562 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
2563 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
2565 2005-09-23 David Edelsohn <edelsohn@gnu.org>
2566 Andrew Pinski <pinskia@physics.uc.edu>
2568 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
2569 operand2 constraint to "b".
2570 (sync_<fetchop_name>di_internal): Same.
2571 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
2573 (sync_old_<fetchop_name>di_internal): Same.
2574 (sync_new_<fetchop_name>si_internal): Same.
2575 (sync_new_<fetchop_name>di_internal): Same.
2577 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
2580 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
2581 case, define as macros.
2583 PR rtl-optimization/23837
2584 * optabs.c (no_conflict_move_test): Don't set must_stay for a
2585 clobber / clobber match between dest and p->first.
2587 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
2588 (no_conflict_move_test): Update comments.
2590 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
2592 * doc/install.texi: Update URL for Jacks.
2593 * doc/sourcebuild.texi: Likewise.
2595 2005-09-22 David Edelsohn <edelsohn@gnu.org>
2598 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
2599 registers when choosing register preferences.
2600 (movdf_hardfloat64): Same.
2602 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
2604 * expmed.c (expand_shift): Don't use the target of the rotate as
2605 target for the first expanded shift insn.
2606 * testsuite/gcc.dg/20050922-1.c: Testcase added.
2608 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
2610 PR tree-optimization/22438
2611 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
2612 preserved iv rhs rewriting specially.
2614 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
2616 * tree-data-ref.c (analyze_array_indexes): Only estimate when
2617 estimate_only is true.
2618 * tree-flow.h (ref_contains_indirect_ref): New prototype.
2619 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
2620 tree-ssa-structalias.c
2621 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
2622 ref_contains_indirect_ref.
2623 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
2625 2005-09-21 DJ Delorie <dj@redhat.com>
2627 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
2629 (mn10300_return_in_memory): Support variable size types also.
2630 (mn10300_pass_by_reference): Likewise.
2631 (mn10300_function_value): New.
2632 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
2633 (FUNCTION_OUTGOING_VALUE): Likewise.
2634 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
2635 * doc/invoke.texi: Document it.
2637 2005-09-21 Uros Bizjak <uros@kss-loka.si>
2640 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
2641 force integer op1 into register for XFmode compares.
2643 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
2646 * expmed.c (alg_code): Add alg_impossible.
2647 (alg_hash_entry): Add cost.
2648 (synth_mult): Record alg_impossible in the hash table if
2649 multiplication by a given integer is impossble within the
2650 limit. Speed up using alg_impossible.
2652 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2654 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
2655 argument. Allow and set any offset if needs_anyoffset is passed
2657 (get_constraint_for): Add argument here too.
2659 (do_structure_copy): Pass NULL to get_constraint_for.
2660 (handle_ptr_arith): Ditto.
2661 (find_func_aliases): Ditto.
2663 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
2665 PR rtl-optimization/23898
2666 * output.h (get_attr_min_length): Declare.
2667 * final.c (get_attr_length_1): New function, broken out of:
2669 (get_attr_min_length): New function.
2670 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
2671 (duplicate_computed_gotos): Likewise.
2672 * genattr.c (insn_min_length): Generate declaration.
2673 * genattrtab.c (min_fn, min_attr_value): New functions.
2674 (make_length_attrs): Generate insn_min_length.
2676 2005-09-20 Steve Ellcey <sje@cup.hp.com>
2678 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
2680 2005-09-20 Richard Henderson <rth@redhat.com>
2682 PR tree-optimization/24059
2683 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
2686 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
2688 * c.opt (fextended-identifiers): New.
2689 * c-opts.c (c_common_handle_option): Handle
2690 -fextended-identifiers.
2691 * doc/cpp.texi: Update documentation of extended identifiers.
2692 * doc/cppopts.texi (-fextended-identifiers): Document.
2694 2005-09-20 Jakub Jelinek <jakub@redhat.com>
2696 PR tree-optimization/23929
2697 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
2700 PR tree-optimization/23818
2701 * tree-stdarg.c (execute_optimize_stdarg): Call
2702 calculate_dominance_info.
2704 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
2706 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
2707 (analyze_siv_subscript_cst_affine): Add weak SIV test.
2708 (compute_overlap_steps_for_affine_1_2): Use
2709 get_number_of_iters_for_loop.
2710 (analyze_subscript_affine_affine): Check whether difference is
2712 Use get_number_of_iters_for_loop.
2713 Check whether overlap occurs outside of bounds.
2714 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
2716 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
2718 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
2719 base register if possible.
2721 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
2723 PR tree-optimization/18463
2724 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
2725 converting it directly is not possible.
2726 (chrec_convert_aggressive): New function.
2727 * tree-chrec.h (chrec_convert_aggressive): Declare.
2728 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
2729 Fold chrec conversions aggressively if asked to.
2730 (instantiate_parameters): Modified because of changes in
2731 instantiate_parameters_1.
2733 2005-09-19 Richard Henderson <rth@redhat.com>
2735 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
2736 (reduc_splus_v2df): New.
2738 2005-09-19 Richard Sandiford <richard@codesourcery.com>
2740 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
2741 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
2743 2005-09-19 Richard Henderson <rth@redhat.com>
2745 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
2748 2005-09-19 Richard Henderson <rth@redhat.com>
2750 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
2751 (ia64_expand_dot_prod_v8qi): New.
2752 * config/ia64/ia64-protos.h: Update.
2753 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
2754 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
2755 sdot_prodv8qi, sdot_prodv4hi): New.
2756 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
2758 2005-09-19 Richard Henderson <rth@redhat.com>
2761 * real.c (exact_real_truncate): Return false if the format cannot
2762 represent the number as a normal.
2764 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
2765 for a memory source.
2767 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
2769 * tree-ssa-operands.c (swap_tree_operands): Export.
2770 * tree.h (swap_tree_operands): Declare.
2771 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
2772 Call swap_tree_operands.
2774 2005-09-19 Richard Henderson <rth@redhat.com>
2776 * tree-flow.h (merge_alias_info): Declare.
2777 * tree-ssa-copy.c (merge_alias_info): Export.
2778 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
2779 (vect_create_data_ref_ptr): Use create_iv directly.
2780 (vectorizable_load): Use correct types for integer constants.
2781 (vect_generate_tmps_on_preheader): Likewise.
2782 (vect_gen_niters_for_prolog_loop): Likewise.
2784 2005-09-19 Steven Bosscher <stevenb@suse.de>
2786 PR rtl-optimization/23943
2787 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
2789 2005-09-18 Jan Hubicka <jh@suse.cz>
2791 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
2793 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
2795 * varasm.c (output_constant): Do not abort on conversions to union
2796 types between different sizes.
2798 2005-09-18 Richard Guenther <rguenther@suse.de>
2801 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
2804 2005-09-18 Paul Brook <paul@codesourcery.com>
2806 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
2808 2005-09-17 Richard Henderson <rth@redhat.com>
2810 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
2811 * tree-ssa-loop.c (pass_vect_dce): Remove.
2812 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
2815 2005-09-17 Richard Henderson <rth@redhat.com>
2817 * tree-pass.h (pass_vect_dce): Declare.
2818 * passes.c (init_optimization_passes): Add it.
2819 * tree-flow.h (tree_ssa_dce): Declare.
2820 * tree-ssa-dce.c (tree_ssa_dce): Export.
2821 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
2822 (gate_tree_vectorize): ... here.
2823 (pass_vect_dce): New.
2825 2005-09-17 Jan Hubicka <jh@suse.cz>
2827 * except.c (struct eh_status): Turn region_array into vec.
2828 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
2829 convert_from_eh_region_ranges, find_exception_handler_labels,
2830 current_function_has_exception_handlers, assign_filter_values,
2831 build_post_landing_pads, dw2_build_landing_pads,
2832 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
2833 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
2834 foreach_reachable_handler, can_throw_internal_1,
2835 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
2837 (duplicate_eh_region_1): Update region_array.
2838 (duplicate_eh_regions): Resize region_array and avoid recomputing.
2840 2005-09-17 David Edelsohn <edelsohn@gnu.org>
2843 * expmed.c (expand_mult): Substitute simple register for op0 when
2846 2005-09-17 Richard Henderson <rth@redhat.com>
2848 * expr.c (emit_move_via_integer): Add force argument, pass it on
2849 to emit_move_change_mode. Update callers.
2850 (emit_move_complex): Pass true to new force argument.
2851 * function.c (expand_function_end): Move expand_eh_return call
2852 earlier. Merge sub-word complex values into a pseudo before
2853 copying to the return hard register.
2855 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
2857 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
2858 between different sizes.
2860 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
2864 * passes.c (init_optimization_passes): Register dump files for
2867 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
2869 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
2870 * config/s390/s390.c (s390_overlap_p): New function.
2871 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
2872 peephole2, "*xc" peephole2): Added overlap check to the peephole2
2875 2005-09-16 Richard Guenther <rguenther@suse.de>
2877 * ipa-pure-const.c (static_execute): Free auxiliar information.
2878 * ipa-type-escape.c (discover_unique_type): Free temporary key.
2879 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
2881 2005-09-15 DJ Delorie <dj@redhat.com>
2883 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
2885 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
2887 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
2889 (swap_commutative_operands_with_target): New.
2891 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
2893 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
2896 (estimate_iters_using_array): New function.
2897 * tree-data-ref.h (estimate_iters_using_array): Prototype
2898 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
2899 Use estimate_iters_using_array instead of analyze_array.
2901 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
2903 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
2906 2005-09-15 Michael Matz <matz@suse.de>
2908 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
2910 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
2912 PR tree-optimization/23835
2913 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
2914 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
2916 2005-09-14 Richard Henderson <rth@redhat.com>
2918 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
2919 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
2921 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
2923 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
2924 in the ARRAY_TYPE case.
2926 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
2928 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
2930 2005-09-14 Uros Bizjak <uros@kss-loka.si>
2933 * tree-vect-transform.c (vectorizable_operation): Return false for
2934 scalar shift operations and for vector shift operations with
2935 non-invariant shift arguments. Use scalar tree operand op1 as
2936 a shift operand when vector shift insn pattern uses scalar shift
2938 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
2940 2005-09-14 Olivier Hainque <hainque@adacore.com>
2942 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
2943 value if it has side-effects.
2945 2005-09-14 David Edelsohn <edelsohn@gnu.org>
2948 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
2950 2005-09-14 Alan Modra <amodra@bigpond.net.au>
2952 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
2953 passed as NAME as if it were label at start of function code.
2955 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
2957 * config/sh/sh.md (*movv4sf_i): Add general register cases to
2960 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2962 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
2963 as early clobber. Rewrite so the PIC register is not implicitly used.
2965 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2967 * tree.c (annotate_with_file_line): Compare line numbers before
2970 2005-09-13 Uros Bizjak <uros@kss-loka.si>
2973 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
2974 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
2976 2005-09-13 Ian Lance Taylor <ian@airs.com>
2978 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
2979 than a HOST_WIDEST_INT to gen_doloop_begin.
2981 2005-09-13 Diego Novillo <dnovillo@redhat.com>
2983 * tree-dfa.c (dump_variable): Guard against NULL annotations.
2985 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
2987 PR tree-optimize/23817
2988 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
2990 2005-09-13 Alan Modra <amodra@bigpond.net.au>
2993 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
2994 word before changing the stack pointer. Use gen_frame_mem for MEMs.
2995 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
2996 (restore_stack_nonlocal): Likewise.
2997 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
2999 2005-09-12 Ian Lance Taylor <ian@airs.com>
3002 * c.opt (ffriend-injection): New C++ option.
3003 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
3004 (C++ Dialect Options): Document -ffriend-injection.
3006 2005-09-12 Josh Conner <jconner@apple.com>
3009 * ipa-reference.c (static_execute): Don't mark variables in
3010 named sections TREE_READONLY.
3012 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3014 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
3017 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
3019 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
3020 V_MUST_DEF instead of just the first_use_p.
3021 Don't mark the virtual variables for renaming on the statement which
3023 (pass_dse): Remove TODO_update_ssa.
3025 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
3028 * stor-layout.c (compute_record_mode): For records with a single
3029 field, actually check the field's mode size against the type size.
3031 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
3032 registers for TARGET_SHMEDIA.
3033 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
3034 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
3035 of GENERAL_REGS and FP_REGS.
3037 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
3039 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
3041 2005-09-12 Alan Modra <amodra@bigpond.net.au>
3043 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
3044 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
3045 are omitted. Exclude stack_tie insn too.
3047 2005-09-11 David Edelsohn <edelsohn@gnu.org>
3049 PR rtl-optimization/23098
3050 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
3052 * config/rs6000/rs6000.md (movdf splitter): Use
3053 const_double_operand predicate for TARGET_POWERPC64.
3054 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
3055 SYMBOL_REF method to ABI_V4.
3057 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
3058 replace_equiv_address.
3059 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
3060 rs6000_sr_alias_set and MEM_NOTRAP.
3061 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
3063 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
3065 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
3066 handle CALL_EXPR again.
3068 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
3070 * arm/predicates.md (alignable_memory_operand): Delete.
3072 2005-09-10 Richard Henderson <rth@redhat.com>
3075 * dbxout.c (dbxout_expand_expr): New.
3076 (dbxout_symbol): Use it.
3078 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
3080 * arm.c (arm_gen_rotated_half_load): Delete.
3081 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
3082 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
3083 (thumb_set_return_address): Likewise.
3084 (thumb_load_double_from_address): Use adjust_address.
3085 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
3086 (extendhsisi2_mem, movhi_bytes): Use change_address.
3087 (movhi): Use widen_memory_access.
3088 (reload_out_df): Use replace_equiv_address.
3089 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
3091 2005-09-09 Richard Henderson <rth@redhat.com>
3094 * dbxout.c: Include expr.h.
3095 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
3096 (dbxout_symbol): Handle DECL_VALUE_EXPR.
3097 * Makefile.in (dbxout.o): Add EXPR_H.
3099 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
3101 PR tree-optimization/23509
3102 * tree-cfg.c (replace_uses_by): Use replace_exp.
3103 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
3104 pointers have name_mem_tag or type_mem_tag set.
3106 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
3108 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
3109 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
3110 of wrongly accessing operands.
3112 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
3114 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
3115 * tree-chrec.c: Include tree-scalar-evolution.h.
3116 (chrec_convert): Instantiate the base and step before calling
3117 scev_probably_wraps_p that would fail on parametric evolutions.
3118 Collect all the fails into a single section failed_to_convert,
3119 print a diagnostic, and return chrec_dont_know instead of calling
3121 * tree-scalar-evolution.c (loop_closed_phi_def): New.
3122 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
3124 (scev_const_prop): Don't replace the definition of a loop closed ssa
3125 phi node by itself, or by another loop closed ssa phi node.
3126 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
3127 that base and step are defined.
3129 2005-09-09 Richard Guenther <rguenther@suse.de>
3132 * fold-const.c (fold_ternary): Check truth_value_p before
3133 calling invert_truthvalue.
3135 2005-09-09 Nick Clifton <nickc@redhat.com>
3137 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
3138 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
3139 dimension of these arrays.
3140 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
3142 * longlong.h: Only provide a prototype for the __clz_tab[] array
3143 if this header has not been included from libgcc2.h.
3144 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
3146 Provide prototypes for exported functions.
3147 Use the __clz_tab[] and __popcount_tab[] arrays provided by
3150 2005-09-08 Josh Conner <jconner@apple.com>
3154 * expr.c (expand_expr_addr_expr_1): Don't invoke
3155 expand_simple_binop for EXPAND_INITIALIZER.
3157 2005-09-08 Richard Henderson <rth@redhat.com>
3160 * toplev.c (wrapup_global_declaration_1): Split out ...
3161 (wrapup_global_declaration_2): ... from ...
3162 (wrapup_global_declarations): ... here. Return bool.
3163 (check_global_declaration_1): Split out ...
3164 (check_global_declarations): from here.
3165 (emit_debug_global_declarations): New.
3166 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
3167 check_global_declaration_1, emit_debug_global_declarations): Declare.
3168 * c-decl.c (c_write_global_declarations_1): Don't create a vector
3169 of decls. Call wrapup_global_declaration_1,
3170 wrapup_global_declaration_2, check_global_declaration_1 directly.
3171 (c_write_global_declarations_2): New.
3173 (c_write_global_declarations): Call c_write_global_declarations_2.
3174 * langhooks.c (write_global_declarations): Call
3175 emit_debug_global_declarations.
3177 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
3178 remove decls that have DECL_RTL_SET_P.
3179 * passes.c (rest_of_decl_compilation): Invoke
3180 cgraph_varpool_finalize_decl for all but functions.
3182 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
3184 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
3185 the result of a conversion if the new min and max cannot be compared.
3187 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
3189 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
3190 (override_options): Setting s390_sr_alias_set removed.
3191 (save_fpr, save_gprs): Set alias set to vararg or frame.
3192 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
3193 s390_sr_alias_set with get_frame_alias_set ().
3194 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
3195 get_varargs_alias_set ().
3197 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3201 * c-parser.c (c_parser_objc_method_definition): If the next
3202 token is not "{", error out and don't start the function.
3204 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
3206 * tree-vrp.c (extract_range_from_expr): Move the check for non
3207 nullness after the check for gimple invariant.
3209 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3211 * tree.c (host_integerp, tree_low_cst): Correct function comment.
3213 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3216 * config/m32r.md (movmemsi_internal): Canonicalize order of
3217 operands in PLUS component of template.
3219 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
3221 * reload1.c (fixup_eh_region_note): Remove assertion.
3222 (fixup_abnormal_edges): Reverted removal of call to
3223 find_many_sub_basic_blocks made on 2005-08-31.
3225 2005-09-07 Richard Henderson <rth@redhat.com>
3227 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
3228 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
3229 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
3230 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
3231 rearrange for better packing.
3232 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
3233 (lookup_cfa_1): Remove inline marker.
3234 (cfa_equal_p): Split out of ...
3235 (def_cfa_1): ... here. Use INVALID_REGNUM.
3236 (build_cfa_loc): Handle !cfa->indirect.
3237 (frame_pointer_cfa_offset): New.
3238 (dbx_reg_number): Assert register elimination performed; do
3239 leaf register remapping.
3240 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
3241 (eliminate_reg_to_offset): New.
3242 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
3243 for verifiably local stack frame addresses; re-base to CFA.
3244 (mem_loc_descriptor): Remove can_use_fbreg argument.
3245 (concat_loc_descriptor, loc_descriptor): Likewise.
3246 (containing_function_has_frame_base): Remove.
3247 (rtl_for_decl_location): Don't do register elimination or
3248 leaf register remapping here.
3249 (secname_for_decl): Split out from ..
3250 (add_location_or_const_value_attribute): ... here.
3251 (convert_cfa_to_loc_list): New.
3252 (compute_frame_pointer_to_cfa_displacement): New.
3253 (gen_subprogram_die): Use them.
3254 * tree.h (frame_base_decl): Remove.
3255 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
3256 (prologue_stack_adjust): Remove.
3257 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
3258 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
3259 (set_frame_base_location): Remove.
3260 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
3261 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
3262 (vt_add_function_parameters): Don't eliminate_regs.
3263 (vt_initialize): Don't create frame_base_decl.
3265 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
3267 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
3268 version of GNU binutils for 4.x and later.
3270 2005-09-06 Mark Mitchell <mark@codesourcery.com>
3272 * ggc-page.c (ggc_push_context): Remove.
3273 (ggc_pop_context): Likewise.
3274 * ggc.h (ggc_push_context): Remove.
3275 (ggc_pop_context): Likewise.
3277 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3280 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
3281 returning from an interrupt handler.
3283 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3286 * config/arc/arc.c (output_shift): Add check for loop count when
3289 2005-09-06 Steven Bosscher <stevenb@suse.de>
3291 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
3293 (abs_replacement): Likewise.
3294 (pass_phiopt): Remove TODO_update_ssa.
3296 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3299 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
3300 if "return with no value, in function returning non-void" warning
3302 * tree-cfg.c (execute_warn_function_return): Don't look at
3303 RETURN_EXPRs with TREE_NO_WARNING set.
3306 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
3307 for internal functions doesn't use registers used by global registers
3308 variables. Use fewer register parameters if there are global register
3311 2005-09-06 Olivier Hainque <hainque@adacore.com>
3312 Eric Botcazou <ebotcazou@adacore.com>
3315 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
3316 when we would be extracting outside its bit span (bitpos+bitsize
3317 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
3318 Ada unchecked conversions.
3320 2005-09-06 Steven Bosscher <stevenb@suse.de>
3322 * tree-ssa-pre.c (try_look_through_load): New function.
3323 (compute_avail): Use it to try to look through loads for some
3324 more useful expressions.
3326 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
3328 * simplify-rtx.c (simplify_binary_operation_1): Correct the
3329 condition for detecting cases like (a&a) and (a^a).
3331 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
3333 * common.opt: Add option ftree-vect-loop-version.
3334 * params.def: Add --param vect-max-version-checks.
3335 * doc/invoke.texi: Document ftree-vect-loop-version and
3336 --param vect-max-version-checks.
3337 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
3338 may_misalign_stmts and defines for accessors.
3339 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
3340 LOOP_VINFO_MAY_MISALIGN_STMTS.
3341 (destroy_loop_vec_info): VEC_free for
3342 LOOP_VINFO_MAY_MISALIGN_STMTS.
3343 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
3344 Update documentation.
3345 (vect_update_misalignment_for_peel): New.
3346 (vect_enhance_data_refs_alignment): Update to choose loop
3347 peeling or loop versioning if appropriate for the (potentially)
3348 unaligned data references in the loop.
3349 (vect_analyze_data_refs_alignment): Remove call to
3350 vect_enhance_data_refs_alignment so the checks can be done
3352 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
3353 and move up call to vect_analyze_data_refs_alignment.
3354 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
3355 (vect_transform_loop): Add call to loop_version.
3357 2005-09-06 Jakub Jelinek <jakub@redhat.com>
3359 PR rtl-optimization/23098
3360 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
3361 * simplify-rtx.c (constant_pool_reference_p): New function.
3362 * rtl.h (constant_pool_reference_p): New prototype.
3363 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
3364 constant_pool_reference_p in condition and
3365 avoid_constant_pool_reference in preparation statements.
3367 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
3369 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
3370 STRICT_LOW_PART SETs.
3372 2005-09-06 Alan Modra <amodra@bigpond.net.au>
3375 * except.c (sjlj_emit_function_enter): Find the function begin
3376 note even when it's not in first basic block.
3378 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
3380 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
3381 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
3382 * aclocal.m4: Regenerate.
3384 2005-09-05 DJ Delorie <dj@redhat.com>
3386 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
3389 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
3391 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
3392 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
3393 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
3394 Follow spelling conventions.
3395 * doc/invoke.texi: Follow spelling conventions.
3397 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3399 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
3400 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
3401 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
3403 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
3406 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
3407 (output_stack_adjust): Use gen_tmp_stack_mem.
3408 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
3409 (sh_set_return_address, sh_allocate_initial_value): Likewise.
3410 (sh_get_pr_initial_val): Likewise.
3411 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
3412 (sh_initialize_trampoline): Likewise. Also use adjust_address.
3413 * sh.md (divsi_inv_m0): Use gen_const_mem.
3414 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
3415 (movdf_i4+1): Use gen_tmp_stack_mem.
3416 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
3417 (fpu_switch+2): Likewise.
3418 (movv4sf_i, movv16sf_i): Use adjust_address.
3419 (symGOT_load): Set MEM_NOTRAP_P bit.
3421 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3424 * pa.c (emit_move_sequence): Fix typo in last change.
3426 2005-09-03 Jakub Jelinek <jakub@redhat.com>
3428 PR rtl-optimization/23454
3429 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
3432 2005-09-03 Richard Henderson <rth@redhat.com>
3433 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3436 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
3439 2005-09-02 Nicolas Pitre <nico@cam.org>
3441 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
3442 to bit_count to 32 bits.
3444 2005-08-31 Mark Mitchell <mark@codesourcery.com>
3447 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
3448 generating synthetic loads from volatile lvalues.
3450 005-09-02 Nick Clifton <nickc@redhat.com>
3452 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
3453 __ctzhi2, __clzhi2): New functions.
3455 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
3458 * tree-nested.c (struct var_map_elt): Mark with GTY.
3459 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
3461 (lookup_field_for_decl): Allocate new element in GC memory.
3462 (lookup_tramp_for_decl): Likewise.
3463 (convert_nl_goto_reference): Likewise
3464 (create_nesting_tree): Allocate info in GC memory. Likewise for
3466 (free_nesting_tree): Free with ggc_free instead of free.
3467 (root): New static variable.
3468 (lower_nested_functions): Remove root as local variable. And zero out
3469 root at the end of the function.
3471 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
3473 PR rtl-optimization/20365
3474 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
3475 to short. New member ix.
3476 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
3477 (simplify_plus_minus): Initialize ix members before calling qsort.
3479 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
3481 PR tree-optimization/23626
3482 * tree-cfg.c (replace_uses_by): Clean up eh info.
3484 2005-09-01 DJ Delorie <dj@redhat.com>
3486 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
3489 2005-09-01 David Edelsohn <edelsohn@gnu.org>
3491 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
3492 (rs6000_split_multireg_move): Use replace_equiv_address instead of
3495 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
3497 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
3498 do not issue warning for a variable definition following
3501 2005-09-01 Richard Henderson <rth@redhat.com>
3504 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
3505 conversion to CONST_VECTOR.
3507 2005-09-01 Richard Henderson <rth@redhat.com>
3510 * reload1.c (reload_as_needed): Check !CALL_P before calling
3511 fixup_eh_region_note.
3512 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
3514 2005-09-01 DJ Delorie <dj@redhat.com>
3516 * varasm.c (output_constant): Let the target resolve
3517 conversions of addresses to non-default pointer sizes.
3519 2005-09-01 Nicolas Pitre <nico@cam.org>
3521 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
3522 to alow matching ARM pre-indexed addressing mode.
3523 (arm_override_options): Remove now irrelevant comment.
3525 2005-09-01 Phil Edwards <phil@codesourcery.com>
3527 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
3528 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
3529 * config/i386/vxworks.h: Likewise.
3530 * config/i386/t-vxworksae: New file, for VxWorks AE.
3531 * config/i386/vxworksae.h: Likewise.
3533 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
3535 PR tree-optimization/23410
3536 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
3537 sequence is not wrapping during the first step.
3539 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3542 * dwarf2out.c (base_type_die): Compare char_type_node with
3543 TYPE_MAIN_VARIANT (type), not type.
3545 2005-09-01 Richard Guenther <rguenther@suse.de>
3547 PR tree-optimization/15366
3548 * common.opt: Add -finline-functions-called-once.
3549 Put -fearly-inlining in alphabetically ordered place.
3550 * doc/invoke.texi: Document new option.
3551 * ipa-inline.c (cgraph_decide_inlining): Honour
3552 flag_inline_functions_called_once.
3554 2005-09-01 Jakub Jelinek <jakub@redhat.com>
3556 PR rtl-optimization/23478
3557 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
3558 (alloc_qty): Initialize it.
3559 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
3560 (combine_regs): Combine also n_throwing_calls_crossed fields.
3561 (find_free_reg): Don't attempt to caller-save pseudos crossing
3562 calls that might throw.
3563 * global.c (struct allocno): Add throwing_calls_crossed field.
3564 (global_alloc): Revert 2005-08-22 change. Initialize
3565 throwing_calls_crossed.
3566 (find_reg): Don't attempt to caller-save pseudos crossing calls that
3569 2005-09-01 Alan Modra <amodra@bigpond.net.au>
3572 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
3573 (mask64_operand): Reinstate code prior to 2005-06-11 change.
3574 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
3575 (and64_2_operand): Tweak to use predicate.
3576 (and_operand): Adjust for mask_operand changes.
3577 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
3578 (print_operand): Likewise.
3579 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
3580 (mask64_1or2_operand): Delete.
3581 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
3582 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
3583 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
3584 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
3585 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
3586 (rotldi3_internal4): Likewise.
3587 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
3588 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
3589 (ashldi3_internal7): Likewise.
3590 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
3591 (ashldi3_internal, ashldi3_internal9 split): Likewise.
3592 (anddi3 split): Don't match mask64_operand.
3593 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
3594 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
3595 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
3596 't' splitter predicate.
3597 (movdi_internal64 + 2): Revert 2005-06-11 change.
3599 2005-08-31 DJ Delorie <dj@redhat.com>
3601 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
3602 (m32c_asm_integer): Add support for 32 bit pointers.
3604 2005-08-31 Richard Henderson <rth@redhat.com>
3606 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
3607 component-like references for setting MEM_NOTRAP_P.
3609 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
3610 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
3612 2005-08-31 Richard Henderson <rth@redhat.com>
3614 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
3615 into a pseudo before applying gen_lowpart.
3617 2005-08-31 Geoffrey Keating <geoffk@apple.com>
3619 * doc/install.texi (Specific): Update cctools version required
3620 for full functionality.
3621 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
3622 linkers as -macosx_version_min.
3624 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
3627 * sh.c (print_operand, %R and %S): Add handling of floating point
3628 registers, memory, constants and invalid operands.
3630 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
3632 * ipa-pure-const.c: Change dump name.
3634 2005-08-31 Uros Bizjak <uros@kss-loka.si>
3637 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
3638 to "reg_or_0_operand".
3639 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
3641 2005-08-31 Dale Johannesen <dalej@apple.com>
3643 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
3644 loops that count down.
3646 2005-08-31 Richard Henderson <rth@redhat.com>
3649 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
3650 (fixup_eh_region_note): New.
3651 (reload_as_needed): Call it.
3652 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
3653 don't call find_many_sub_basic_blocks; call verify_flow_info.
3654 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
3655 (keep_stack_depressed): Likewise.
3656 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
3658 2005-08-31 Richard Henderson <rth@redhat.com>
3660 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
3663 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
3665 * expr.c (expand_expr_real_1): Compare size of address
3666 mode to target's address mode size in deciding expansion of
3667 the constant address.
3669 2005-08-31 Richard Guenther <rguenther@suse.de>
3672 * expr.c (all_zeros_p): New function.
3673 (expand_expr_real_1): Handle the case of an all-zero
3674 non-addressable constructor separately.
3676 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
3678 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
3679 arguments, adjust all callers.
3680 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
3682 2005-08-30 Richard Henderson <rth@redhat.com>
3685 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
3686 whenever the mode sizes match.
3688 2005-08-31 Alan Modra <amodra@bigpond.net.au>
3690 * calls.c (load_register_parameters): Fix comment typo.
3691 * expr.c (emit_push_insn): Comment formatting.
3693 2005-08-30 Ian Lance Taylor <ian@airs.com>
3695 * config/i386/x-cygwin (host-cygwin): Change dependency from
3696 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
3698 2005-08-29 Geoffrey Keating <geoffk@apple.com>
3700 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
3703 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3706 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
3707 call to ggc_collect.
3709 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
3712 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
3713 beginning. Remove $(INCLUDES) from all the rules, if following
3714 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
3716 2005-08-29 Jakub Jelinek <jakub@redhat.com>
3719 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
3720 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
3721 not constant, but maxlen is, don't set len to maxlen, rather
3722 set maxlen to len if len is a constant.
3724 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
3726 PR tree-optimization/23475
3727 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
3730 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
3732 Fix PR middle-end/22455
3734 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
3735 Checksum only the parts of the tree that exist for the tree code.
3737 2005-08-28 Dale Johannesen <dalej@apple.com>
3739 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
3741 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
3743 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
3745 2005-08-28 Richard Henderson <rth@redhat.com>
3747 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
3748 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
3751 2005-08-28 Jakub Jelinek <jakub@redhat.com>
3754 * builtins.c (get_memory_rtx): Don't strip nops
3755 in between COMPONENT_REFs.
3757 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
3760 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
3762 (gimplify_modify_expr): Check for zero sized types and gimplify the
3763 rhs and lhs as statements.
3765 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
3768 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
3769 state for return address column of signal frames.
3771 2005-08-27 David Edelsohn <edelsohn@gnu.org>
3774 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
3775 bytes >= 2 not bytes == 2.
3776 (expand_block_move): Same.
3778 2005-08-27 Richard Guenther <rguenther@suse.de>
3781 * config/i386/sse.md (sse2_movsd): Add missing closing
3784 2005-08-27 Paul Brook <paul@codesourcery.com>
3786 * genrecog.c (enum decision_type): Add DT_num_insns.
3787 (struct decision_test): Add u.num_insns.
3788 (add_to_sequence): Add DT_num_insns test.
3789 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
3790 (write_cond, debug_decision_2): Ditto.
3791 (change_state): Assume peep2_next_insn never fails.
3792 Remove "afterward" argument.
3793 (write afterward, write_tree): Update to match.
3794 * recog.c (peep2_current_count): New variable.
3795 (peep2_next_insn): Check it.
3796 (peephole2_optimize): Set peep2_current_count.
3797 * recog.h (peep2_current_count): Declare.
3799 2005-08-26 Josh Conner <jconner@apple.com>
3802 * ipa-pure-const.c (check_tree): Check for volatile-ness
3803 when considering a dereference.
3805 2005-08-27 Jakub Jelinek <jakub@redhat.com>
3807 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
3809 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3811 PR rtl-optimization/23561
3812 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
3813 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
3814 at most LEN bytes long memory fits into the field.
3815 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
3816 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
3817 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
3819 2005-08-26 Richard Henderson <rth@redhat.com>
3822 * loop.c (biased_biv_may_wrap_p): New.
3823 (maybe_eliminate_biv_1): Use it to suppress non-equality
3824 comparison transformations. Delete disabled code.
3826 2005-08-26 Ian Lance Taylor <ian@airs.com>
3828 * combine.c (make_extraction): Avoid reference outside object.
3830 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
3832 * stor-layout.c (finalize_type_size): Restore behaviour for
3833 non-aggregate types to the status quo ante of the patch for
3834 pr 23467. Document why it matters.
3836 2005-08-26 Jakub Jelinek <jakub@redhat.com>
3839 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
3840 array by one element, initialize the BT_LAST element with NULL.
3842 2005-08-26 David Edelsohn <edelsohn@gnu.org>
3844 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
3845 optimizing for size.
3847 (compare_plus_eqsi): Same.
3848 (plus_eqsi_compare): Same.
3849 (neg_eq0<mode>): Same.
3850 (neg_eq<mode>): Same.
3852 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
3855 2005-08-26 Nick Clifton <nickc@redhat.com>
3857 * config/v850/v850.c (ep_memory_operand): Return FALSE if
3858 TARGET_EP is not defined.
3859 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
3860 TARGET_EP is enabled.
3861 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
3862 * config/v850/v850.md (save_all_interrupt): Only use the EP
3863 register if TARGET_EP is defined.
3864 (restore_all_interrupt): Likewise.
3865 * config/v850/lib1funcs.asm: Update functions so that the EP
3866 register is only used if __EP__ is defined.
3868 2005-08-26 David Ung <davidu@mips.com>
3870 * config/mips/mips.c (mips_expand_prologue): Handle case when
3871 generating for MIPS16 and the outgoing argument area is more than
3872 SMALL_OPERAND. Use the frame pointer as temporary to generate the
3875 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
3877 * config/crx/crx.md: Make doloop_end pattern usage controllable
3878 via mloop-nesting=<max-nesting> command line switch. Make sure
3879 the combiner cannot use doloop_end_<mode> in an illegal way.
3880 * config/crx/crx.c: Use regs up to r6 for argument passing.
3881 Refine crx_address_cost (non cst4 displacements are expensive).
3882 * config/crx/crx.opt: Add switch for mloop-nesting=.
3884 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
3886 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
3887 (UNSPEC_MVST): New constant.
3889 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
3891 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
3892 Reject operands containing eliminable registers.
3893 * testsuite/gcc.dg/20050825-1.c: New testcase.
3895 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3896 Jan Hubicka <jh@suse.cz>
3898 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
3900 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3902 PR tree-optimization/23546
3903 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
3906 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
3908 * params.def (PARAM_MIN_SPEC_PROB): New.
3909 * sched-rgn.c (MIN_PROBABILITY): Delete.
3910 (compute_trg_info): Convert to PARAM_VALUE.
3911 * doc/invoke.texi (param): Document min-spec-prob.
3913 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
3915 * config/darwin.h: define __PIC__
3916 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
3917 TARGET_OS_CPP_BUILTINS macro.
3919 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3921 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
3924 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3926 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
3928 * cfghooks.c (duplicate_block): Added position where to place
3929 new block as argument.
3930 * cfghooks.h (duplicate_block): Declaration changed.
3931 * cfglayout.c (copy_bbs): Add argument after. Pass it to
3933 * cfglayout.h (copy_bbs): Declaration changed.
3934 * cfgloop.h (loop_version): Declaration changed.
3935 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
3936 position to copy_bbs.
3937 (loop_version): Pass position to duplicate_loop_to_header_edge.
3938 Add place_after argument and position new blocks according to
3940 * modulo-sched.c (sms_schedule): Pass place_after argument
3942 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
3943 * tree-cfg.c (split_edge_bb_loc): New function.
3944 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
3945 to determine position of new blocks.
3946 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
3948 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
3949 argument to duplicate_block.
3950 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
3951 Pass position to copy_bbs.
3953 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
3955 * fold-const.c (ptr_difference_const): Use
3956 cst_and_fits_in_hwi instead of host_integerp.
3958 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
3960 * config/darwin.c (gen_pic_offset): New.
3961 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
3964 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
3966 PR tree-optimization/23486
3967 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
3969 2005-08-23 Phil Edwards <phil@codesourcery.com>
3971 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
3972 remove use_collect2.
3973 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
3975 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
3976 configuration files to override the default value.
3978 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
3979 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
3980 * config/vx-common.h: New file, split out from...
3981 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
3982 * config/vxworksae.h: New file, for VxWorks AE.
3983 * config/vxworks.opt: New file.
3984 * config/vxlib.c: Update for VxWorks 6.
3986 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
3987 other MULTILIB_* variables appropriately.
3988 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
3989 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
3990 * config/rs6000/vxworks.h: Update for VxWorks 6.
3991 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
3993 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
3996 * config/darwin.c (machopic_select_section): Remove the hack to
3997 mark "::operator new" and "::operator delete" for coalescing
3998 even though they are not weak.
4000 2005-08-24 Alan Modra <amodra@bigpond.net.au>
4002 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
4003 * configure: Regenerate.
4005 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4008 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
4010 * convert.c (convert_to_integer, convert_to_vector): Likewise.
4011 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
4014 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
4016 * config/rs6000/predicates.md (equality_operator): New.
4017 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
4018 comparison with a large constant.
4020 2005-08-23 Mark Mitchell <mark@codesourcery.com>
4022 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
4024 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
4026 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
4027 registers is even, and we have a hardware double precision fp,
4029 (sh_gimplify_va_arg_expr): For floating point arguments, consider
4030 size of current argument when checking if argument was passed in
4033 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
4036 * stor-layout.c (finalize_type_size): Dont override
4037 existing alignment with a smaller alignment from the mode.
4039 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4041 * lambda-code.c (lambda_vector_lexico_pos): Moved...
4042 * lambda.h (lambda_vector_lexico_pos): ... here.
4043 * tree-data-ref.c (build_classic_dist_vector): Return false when
4044 the distance vector is lexicographically negative.
4046 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
4048 PR tree-optimization/23511
4049 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
4050 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
4052 2005-08-23 Jakub Jelinek <jakub@redhat.com>
4054 PR tree-optimization/22043
4055 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
4056 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
4057 If ALLOW_FLEXARR, handle types ending with flexible array member.
4058 Pass false as second argument to recursive count_type_elements calls.
4059 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
4060 argument to count_type_elements call.
4061 * tree-sra.c (decide_block_copy): Likewise.
4062 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
4063 for a constant-sized object, set cleared as well. Pass true as
4064 second argument to count_type_elements call.
4066 2005-08-23 Alan Modra <amodra@bigpond.net.au>
4069 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
4070 from legitimate_small_data_p, and make global. Update use.
4071 Remove forward declaration.
4072 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
4074 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
4076 2005-08-23 David Edelsohn <edelsohn@gnu.org>
4078 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
4079 of scratch intermediates.
4080 (eq<mode>_compare): Same.
4081 (neg_eq0<mode>): New.
4082 (neg_eq<mode>): Convert to define_insn_and_split.
4084 2005-08-23 Alan Modra <amodra@bigpond.net.au>
4087 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
4088 stdarg functions, set/clear the fp marker even when no variable
4090 * config/rs6000/sysv4.opt (mprototype): Describe.
4092 2005-08-22 Jakub Jelinek <jakub@redhat.com>
4094 PR rtl-optimization/23478
4095 * regs.h (reg_info): Add throw_calls_crossed.
4096 (REG_N_THROWING_CALLS_CROSSED): Define.
4097 * flow.c (allocate_reg_life_data): Initialize
4098 REG_N_THROWING_CALLS_CROSSED.
4099 (propagate_one_insn, attempt_auto_inc): Update
4100 REG_N_THROWING_CALLS_CROSSED.
4101 * global.c (global_alloc): Don't allocate pseudos across
4102 calls that may throw.
4104 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
4107 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
4108 value is inbetween the range if we did not find an exact match.
4110 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
4112 * doc/invoke.texi (Option Summary): Add ms1 options.
4113 * doc/extend.texi: Document interrupt handler attribute for ms1.
4114 * doc/md.texi: Document ms1 constraints.
4115 * config.gcc: Add ms1-*-elf.
4116 * config/ms1/ms1.h: New.
4117 * config/ms1/ms1.c: New.
4118 * config/ms1/ms1.md: New.
4119 * config/ms1/ms1-protos.h: New.
4120 * config/ms1/ABI.txt: New.
4121 * config/ms1/crti.asm: New.
4122 * config/ms1/crtn.asm: New.
4123 * config/ms1/lib2extra-funcs.c: New.
4124 * config/ms1/t-ms1: New.
4125 * config/ms1/ms1.opt: New.
4127 2005-08-22 Ira Rosen <irar@il.ibm.com>
4129 * config/rs6000/altivec.md (xorv4sf3): New.
4130 (negv4sf2, neg<mode>2): Likewise.
4132 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
4135 * config/ia64/ia64.md (divsi3): Check divide by zero.
4136 (udivsi3): Likewise.
4138 (udivdi3): Likewise.
4140 2005-08-21 Jakub Jelinek <jakub@redhat.com>
4142 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
4143 up to elem_bitsize bits, not max_bitsize.
4145 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
4147 PR tree-optimization/23433
4148 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
4149 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
4151 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
4153 PR tree-optimization/23434
4154 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
4155 the iteration bound is not an INTEGER_CST.
4157 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
4159 * tree-vect-transform.c (get_initial_def_for_reduction): Set
4160 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
4161 NULL if need_epilog_adjust is false.
4162 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
4163 Case 3 always peels first itration, not just for PLUS case, and no need
4164 to use scalar_initial_def here. Create an epilog adjustment only if
4165 scalar_initial_def is not NULL.
4167 (vectorizable_reduction): Remove assert.
4169 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
4172 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
4173 (__moddi3): Likewise.
4174 (__udivdi3): Likewise.
4175 (__umoddi3): Likewise.
4176 (__divsi3): Likewise.
4177 (__modsi3): Likewise.
4178 (__udivsi3): Likewise.
4179 (__umodsi3): Likewise.
4181 2005-08-20 Jakub Jelinek <jakub@redhat.com>
4183 * tree-pass.h (TDF_GRAPH): Define.
4184 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
4185 * passes.c (finish_optimization_passes): Only call
4186 finish_graph_dump_file if TDF_GRAPH is set.
4187 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
4188 NULL. Set TDF_GRAPH bit.
4189 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
4191 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
4193 * arm.h (arm_stack_offsets): Add locals_base field.
4194 * arm.c (arm_get_frame_offsets): Compute it.
4195 (thumb_compute_initial_elimination offset): Make the Thumb frame
4196 pointer point to the base of the local variables.
4197 (thumb_expand_prologue): Update accordingly.
4198 (thumb_expand_epilogue): Likewise.
4200 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
4201 mode of clobbered scratch to DImode. Handle a case that's known to
4204 2005-08-19 David Edelsohn <edelsohn@gnu.org>
4206 * config/rs6000/rs6000.md (gt0<mode>): Delete.
4207 (gt0<mode>_compare): Delete.
4208 (neg_gt0<mode>): Delete.
4210 2005-08-19 Eric Christopher <echristo@apple.com>
4212 * optabs.h: Change CTI_ to COI_.
4215 2005-08-19 James E Wilson <wilson@specifix.com>
4217 * builtins.c (expand_builtin_return_addr): Set
4218 current_function_accesses_prior_frames when count != 0. Use
4219 frame_pointer_rtx when count == 0.
4220 * function.h (struct function): Add accesses_prior_frames field.
4221 (current_function_accesses_prior_frames): Define.
4222 * reload1.c (init_elim_table): Check
4223 current_function_accesses_prior_frames.
4224 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
4226 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4228 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
4229 indicator. Return true if the flowgraph changed during
4232 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4235 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
4236 conditional expression before testing its value.
4238 2005-08-19 Diego Novillo <dnovillo@redhat.com>
4240 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
4242 2005-08-19 Devang Patel <dpatel@apple.com>
4244 PR tree-optimization/23048
4245 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
4246 third parameter. Check whether latch is dominated by exit
4248 (if_convertible_loop_p): Supply exit block itself to
4249 if_convertible_bb_p.
4251 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4254 * arm.md (arm_load_pic_register): Change argument to the mask of
4255 saved registers. Call thumb_find_work_register if we need a
4256 scratch register on Thumb.
4257 (arm_expand_prologue): Pass empty register set to
4258 arm_load_pic_register.
4259 (thumb_expand_prologue): Pass live_regs_mask directly to
4260 arm_load_pic_register.
4261 * arm-protos.h (arm_load_pic_register): Update prototype.
4263 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
4265 * sh.c (find_sole_member): New function.
4266 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
4267 if the record's alignment is larger than the size of its only member.
4269 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
4272 * arm.c (thumb_legitimize_reload_address): New function.
4273 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
4274 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
4276 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
4278 * config/crx/crx.c: Implement crx_decompose_address. Reject
4279 symbolic displacements since CRX register relative adressing
4280 mode can't handle unsigned 32-bit values as displacements.
4281 * config/crx/crx.h: Simplify definitions, remove redundant
4282 parenthesis and obsolete macros.
4283 * config/crx/crx.opt: Add new switch for debugging addresses.
4284 * config/crx/crx-protos.h: Add new declarations for above.
4286 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
4289 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
4292 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4294 * collect2.c (dup2): Delete.
4295 * configure.ac: Don't check for dup2.
4297 * config.in, configure: Regenerate.
4299 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
4301 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
4302 record with the type of its only member.
4304 2005-08-18 David Edelsohn <edelsohn@gnu.org>
4306 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
4307 define_insn_and_split.
4308 (plus_ltu<mode>_compare): Same.
4309 (gtu<mode>_compare): Same.
4310 (plus_gtu<mode>_compare): Same.
4312 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
4314 PR tree-optimization/22228
4315 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
4317 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
4318 are recorded in vect_vnames_to_rename for renaming.
4319 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
4320 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
4321 in vect_vnames_to_rename.
4322 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
4323 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
4325 2005-08-18 Jan Hubicka <jh@suse.cz>
4328 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
4329 info only for local statics, not for member variables.
4331 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4333 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
4335 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4337 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
4339 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
4342 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
4344 2005-08-17 James E Wilson <wilson@specifix.com>
4346 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4349 2005-08-17 David Edelsohn <edelsohn@gnu.org>
4351 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
4352 (leu<mode>_compare): Same.
4353 (plus_leu<mode>): Same.
4354 (neg_leu<mode>): Same.
4355 (and_neg_leu<mode): Same.
4356 (ltu<mode>_compare): Same.
4357 (plus_ltu<mode>): Same.
4359 (geu<mode>_compare): Same.
4360 (plus_geu<mode>): Same.
4361 (neg_geu<mode>): Same.
4362 (and_neg_geu<mode>): Same.
4363 (plus_gt<mode>): Same.
4364 (gtu<mode>_compare): Same.
4365 (plus_gtu<mode>): Same.
4367 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
4369 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
4370 Move call_table_data to end. Delete spurious .text.
4371 (callt_save_all_interrupt): Fix comment typo.
4373 2005-08-17 James E Wilson <wilson@specifix.com>
4374 Kevin Winchester <winchester@amirix.com>
4377 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
4379 2005-08-17 Uros Bizjak <uros@kss-loka.si>
4382 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
4383 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
4385 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
4387 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
4388 record with the type of its only member if the modes don't match.
4390 * varasm.c (decode_reg_name): Skip empty additional register names.
4392 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
4394 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
4395 lsm_tmp_name_length): New.
4396 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
4397 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
4399 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4400 Andreas Krebbel <krebbel1@de.ibm.com>
4402 * config.gcc: Added z9-109 switch.
4403 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
4404 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
4405 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
4406 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
4407 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
4408 for "z9_109" cpu attribute.
4409 * config/s390/s390.c (z9_109_cost): New processor cost structure.
4410 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
4411 (s390_handle_arch_option): Added z9-109 switch.
4412 (override_options): Set respective cost function for z9-109.
4413 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
4414 (legitimate_reload_constant_p): Accept extended immediates.
4415 (print_operand): Three new output modifiers added: k, m and o.
4416 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
4417 (s390_output_mi_thunk): Use extended immediate when possible.
4418 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
4419 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
4420 (CONSTRAINT_LEN): Added length of O constraint.
4421 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
4422 * config/s390/s390.md ("cpu"): New value z9_109 added.
4423 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
4424 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
4425 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
4426 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
4427 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
4428 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
4429 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
4430 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
4431 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
4432 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
4433 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
4434 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
4435 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
4436 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
4437 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
4439 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
4440 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
4441 insns for TARGET_EXTIMM.
4443 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
4445 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
4447 2005-08-17 Nick Clifton <nickc@redhat.com>
4449 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
4450 Call default_encode_section_info.
4452 2005-08-17 Steven Bosscher <stevenb@suse.de>
4454 PR tree-optimization/21574
4455 * tree-ssa-ccp.c (likely_value): If the right hand side is a
4456 constant, return CONSTANT.
4457 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
4458 (ccp_fold, visit_assignment): Likewise.
4459 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
4461 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4463 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
4464 fold_buildN instead of buildN then fold_initializer or fold.
4465 (build_unary_op): Likewise.
4466 (build_binary_op): Likewise.
4467 * fold-const.c (fold_initializer): Remove.
4468 (fold_build1_initializer): New function.
4469 (fold_build2_initializer): New function.
4470 (fold_build3_initializer): New function.
4471 * tree.h (fold_initializer): Remove.
4472 (fold_build1_initializer): New function.
4473 (fold_build2_initializer): New function.
4474 (fold_build3_initializer): New function.
4476 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
4478 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
4479 (try_move_mult_to_index): Call fold_build2 instead of build2.
4480 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
4481 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
4482 fold_binary_to_constant.
4483 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
4485 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
4486 check if A == gcd (A, B). Remove TYPE argument.
4487 (analyze_offset) Use fold_build2 instead of fold (build.
4488 (create_data_ref): Likewise.
4489 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
4490 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
4493 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
4495 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
4496 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
4498 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
4501 * gimplify.c (zero_sized_type): New function.
4502 (gimplify_modify_expr_rhs): If we have a zero sized type,
4503 replace the statement with an empty statement.
4505 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
4507 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
4510 2005-08-16 Ian Lance Taylor <ian@airs.com>
4512 * doc/tm.texi (Label Output): Correct typo.
4514 2005-08-16 Steven Bosscher <stevenb@suse.de>
4517 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
4518 force_operand will work later on using have_insn_for.
4520 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4522 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
4524 2005-08-16 Ian Lance Taylor <ian@airs.com>
4527 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
4528 vector type, don't try to construct it element by element. Add an
4529 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
4531 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4533 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
4535 2005-08-16 Geoffrey Keating <geoffk@apple.com>
4537 * doc/invoke.texi (Precompiled Headers): Document some more options
4538 which are known to be safe.
4540 2005-08-16 James E Wilson <wilson@specifix.com>
4542 PR tree-optimization/21105
4543 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
4544 TREE_OVERFLOW check.
4546 2005-08-16 David Edelsohn <edelsohn@gnu.org>
4548 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
4549 (neg_ltu<mode>): Same.
4551 (neg_gtu<mode>): Same.
4553 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4555 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
4556 (fold_builtin_isdigit): Use fold_buildN.
4557 (build_function_call_expr): Likewise.
4558 * c-typeck.c (c_finish_loop): Likewise.
4560 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
4561 Richard Shann <rshann@superh.com>
4563 PR middle-end/20396:
4564 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
4566 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
4568 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
4570 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
4573 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
4574 arm_compure_save_reg0_reg12_mask to determine when the PIC register
4577 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4580 * fold-const.c (build_range_check): Disable optimization for function
4581 pointer expressions on targets that require function pointer
4584 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
4586 * simplify-rtx.c (simplify_const_relational_operation): When
4587 extracting arguments of a COMPARE, recompute the mode as well.
4589 2005-08-15 Ian Lance Taylor <ian@airs.com>
4591 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
4593 2005-08-15 DJ Delorie <dj@redhat.com>
4595 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
4597 (movsi_splittable): Allow, but split, moves to the stack.
4598 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
4601 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4603 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
4604 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
4605 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
4607 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
4608 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
4609 Delete HOST_PTR_PRINTF.
4611 * configure, config.in: Regenerate.
4613 2005-08-15 David Edelsohn <edelsohn@gnu.org>
4615 * config/rs6000/rs6000.md (QHSI): New mode macro.
4616 (wd): Extend mode attr for QImode and HImode
4617 (dbits): New mode attr.
4618 (zero_extend<mode>di2): Convert to mode macro.
4620 2005-08-15 Steve Ellcey <sje@cup.hp.com>
4623 * doc/invoke.texi (-mgnu-ld): Update description.
4626 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4629 * Makefile.in (tree-chrec.o): Depends on real.h.
4630 * tree-chrec.c: Include real.h.
4631 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
4632 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
4633 * tree-scalar-evolution.c (add_to_evolution_1,
4634 interpret_rhs_modify_expr): Ditto.
4636 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
4639 * tree-data-ref.c (estimate_niter_from_size_of_data): When
4640 step is negative compute the estimation from init downwards to zero.
4642 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
4644 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
4646 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4648 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
4650 (legitimate_reload_constant_p): Fix handling of lliXX operands.
4651 Accept double-word constants that can be split.
4652 * config/s390/s390.md ("movti"): Use 'P' constraint.
4653 ("*movdi_31", "*movdf_31"): Likewise.
4655 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
4657 Fix PR tree-optimization/22615
4659 * tree-ssa-structalias.c (solution_set_add): Handle
4660 first_vi_for_offset returning NULL.
4661 (do_da_constraint): Ditto.
4662 (do_sd_constraint): Ditto.
4663 (do_ds_constraint): Ditto
4664 (find_func_aliases): Ditto.
4665 (build_constraint_graph): RHS is allowed be ANYTHING.
4666 (first_vi_for_offset): Return NULL if we couldn't find anything at
4669 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
4671 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
4672 over memory as first operand.
4674 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
4677 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
4678 available for setting it.
4680 2005-08-14 Ira Rosen <irar@il.ibm.com>
4682 PR tree-optimization/23320
4683 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
4684 data-refs' types instead of base object nullness. Add check for
4685 pointer type data-refs before first location comparison. Remove
4688 2005-08-14 Andreas Schwab <schwab@suse.de>
4690 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
4692 2005-08-13 James E Wilson <wilson@specifix.com>
4694 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
4695 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
4696 -fstack-protector-all, --param ssp-buffer-size): Document.
4697 (-Wvariadic-macros): Alphabetize.
4698 (-fsched-stalled-insns-dep): Add missing 'f'.
4700 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
4703 2005-08-13 David Edelsohn <edelsohn@gnu.org>
4705 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
4706 or indirect address operand.
4707 (EXTRA_ADDRESS_CONSTRAINT): New.
4708 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
4710 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
4712 PR tree-optimization/22236
4713 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
4714 successors and predecessors.
4715 * tree-chrec.c (chrec_convert): Before converting, check that
4716 sequences don't wrap.
4717 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
4718 (analyze_array): Extern.
4719 (find_data_references_in_loop): Remove call to
4720 compute_estimated_nb_iterations.
4721 * tree-data-ref.h (analyze_array): Declared.
4722 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
4723 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
4724 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
4725 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
4727 * tree-ssa-loop-ivcanon.c: Fix documentation.
4728 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
4729 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
4730 (infer_loop_bounds_from_undefined): New.
4731 (estimate_numbers_of_iterations_loop): Use
4732 infer_loop_bounds_from_undefined.
4733 (used_in_pointer_arithmetic_p): New.
4734 (scev_probably_wraps_p): Pass an extra parameter. Call
4735 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
4736 (convert_step): Fix documentation.
4737 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
4738 Use initial_condition_in_loop_num and evolution_part_in_loop_num
4739 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
4740 scev_probably_wraps_p.
4742 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
4744 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
4745 (s390_register_info): Ignore clobbered_regs information for fixed
4746 registers, and only fixed registers.
4747 (s390_init_frame_layout): Remove redundant call.
4749 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
4751 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
4752 description of -Wold-style-casts.
4754 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4755 Jakub Jelinek <jakub@redhat.com>
4757 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
4758 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
4759 * config/s390/s390.c (print_operand): New output modifier 'G' added.
4760 (get_thread_pointer): Renamed to s390_get_thread_pointer.
4761 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
4762 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
4763 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
4764 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4765 ("stack_protect_set", "stack_protect_test"): New expanders.
4766 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
4767 "stack_protect_testdi"): New insn definitions.
4769 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4771 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
4773 2005-08-12 Paul Brook <paul@codesourcery.com>
4775 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
4777 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4779 * config/s390/predicates.md (setmem_operand): New predicate.
4780 (shift_count_operand): Accept ANDs with special constants as
4782 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
4783 with special constants.
4784 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
4785 shift_count_operand with setmem_operand.
4787 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4789 * config/s390/s390.c (s390_extract_part, s390_single_part):
4791 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
4792 (s390_output_mi_thunk): Don't use lg on 31 bit.
4793 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
4794 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
4796 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4798 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
4799 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
4800 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
4801 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
4802 with one of the new macros.
4804 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
4806 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
4807 Don't set save_return_addr_p.
4808 (s390_register_info): Make clobbered_regs not depending on
4811 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
4813 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
4814 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
4816 2005-08-11 James E. Wilson <wilson@specifix.com>
4818 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
4820 2005-08-11 Jakub Jelinek <jakub@redhat.com>
4822 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
4823 locations gathered by var-tracking in single entry loc_list
4824 over loc_descriptor_from_tree.
4826 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
4827 pass it down to loc_descriptor.
4828 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
4829 (containing_function_has_frame_base): Move earlier in the file.
4830 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
4831 instead of always assuming fbreg can't be used.
4833 2005-08-11 David Edelsohn <edelsohn@gnu.org>
4835 * config/rs6000/altivec.md: Change constraint "m" to "Z".
4836 * config/rs6000/predicates.md (indexed_or_indirect_operand):
4837 Accept address wrapped in AND for Altivec.
4838 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
4839 Strip AND wrapping offset address for Altivec.
4841 2005-08-11 Richard Henderson <rth@redhat.com>
4844 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
4845 before using TYPE_IS_SIZETYPE.
4847 2005-08-11 Richard Henderson <rth@redhat.com>
4850 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
4851 insn types not present on ev4.
4852 (alphaev5_insn_pipe): Similarly.
4854 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
4857 * arm.c (arm_override_options): If the user has selected callee-super-
4858 interworking, then enable normal interworking.
4860 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4862 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
4865 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
4867 * doc/rtl.texi: Fix two typos.
4869 2005-08-11 Richard Guenther <rguenther@suse.de>
4872 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
4873 cases where we call to/from functions returning void.
4875 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
4878 * tree.c (build_pointer_type_for_mode): Robustify.
4880 2005-08-10 James E Wilson <wilson@specifix.com>
4882 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
4883 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
4885 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
4888 2005-08-10 Eric Christopher <echristo@apple.com>
4890 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
4891 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
4894 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
4897 * config/darwin.c (machopic_indirect_data_reference): Use a new register
4898 for the high part when generating dynamic-no-pic code.
4900 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
4902 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
4903 (x86_64-*-linux*): Likewise.
4905 * config/i386/crtfastmath.c: New file.
4906 * config/i386/t-crtfm: Likewise.
4908 * config/i386/linux.h (ENDFILE_SPEC): New.
4909 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
4911 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
4914 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
4916 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
4917 (vec_shl, vec_shr): Document new operations.
4918 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
4920 2005-08-10 David Edelsohn <edelsohn@gnu.org>
4922 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
4923 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
4924 change predicate to indexed_or_indirect_address.
4926 2005-08-10 Richard Sandiford <richard@codesourcery.com>
4928 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
4929 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
4930 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
4931 and __aeabi_uwrite8.
4932 * config/arm/unaligned-funcs.c: New file.
4933 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
4935 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
4937 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
4939 * cfglayout.c (pass_insn_locators_initialize): Add dump.
4940 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
4942 * except.c (pass_convert_to_eh_region_ranges): Add dump.
4943 * final.c (pass_shorten_branches): Add dump.
4944 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
4945 (pass_life): Rename dump.
4946 (rest_of_handle_flow2): Remove initial verify_flow_info.
4947 * function.c (pass_instantiate_virtual_regs): Add dump.
4948 * integrate.c (pass_initial_value_sets): Add dump.
4949 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
4950 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
4951 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
4952 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
4953 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
4954 gate_rtl_unrool_and_peel_loops): New.
4955 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
4956 rtl_doloop): Do not look at flags.
4957 * mode-switching.c (pass_mode_switching): Add dump.
4958 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
4959 pass_split_before_regstack): Add dump.
4960 * regmove.c (pass_stack_adjustments): Add dump.
4961 * tree-optimize.c (pass_fixup_cfg): Add dump.
4963 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4966 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
4967 deciding which instruction sequence to use.
4969 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
4971 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
4972 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
4974 2005-08-09 Richard Guenther <rguenther@suse.de>
4976 * c-common.c (builtin_function_2): Remove.
4977 (def_builtin_1): New function.
4978 (c_common_nodes_and_builtins): Use def_builtin_1 to
4979 build builtin functions.
4981 2005-08-09 Jie Zhang <jie.zhang@analog.com>
4983 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
4984 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
4985 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
4988 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
4990 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
4991 fold_binary instead of fold_build2 since we don't care about the
4993 (loop_niter_by_eval): Likewise.
4994 (compare_trees): Likewise.
4995 (proved_non_wrapping_p): Likewise.
4997 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
5001 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
5002 if the if is really empty.
5004 2005-08-09 Steven Bosscher <stevenb@suse.de>
5006 PR tree-optimization/23234
5007 * tree-ssa-math-opts.c (place_reciprocal): New enum.
5008 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
5009 argument of the new enum.
5010 (execute_cse_reciprocals): Add reciprocals for function arguments
5011 on the unique successor edge of the entry block. Update other calls
5012 to execute_cse_reciprocals_1.
5014 2005-08-08 Richard Henderson <rth@redhat.com>
5017 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
5019 2005-08-08 Bob Wilson <bob.wilson@acm.org>
5021 * expr.c (write_complex_part): Return after handling MEM.
5023 2005-08-08 Josh Conner <jconner@apple.com>
5025 PR rtl-optimization/23241
5026 * combine.c (simplify_comparison): Fix error in determining
5027 whether to lift a subreg from comparison.
5029 2005-08-08 David Edelsohn <edelsohn@gnu.org>
5032 * config/rs6000/altivec.md (vec_init<mode>): New.
5033 (vec_set<mode>): New.
5034 (vec_extract<mode>): New.
5035 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
5036 (rs6000_expand_vector_set): New.
5037 (rs6000_expand_vector_extract): New.
5038 (rs6000_legitimate_offset_address_p): Offset addresses are valid
5039 for Altivec modes before reload.
5040 (altivec_expand_vec_init_builtin): New.
5041 (get_element_number): New.
5042 (altivec_expand_vec_set_builtin): New.
5043 (altivec_expand_vec_ext_builtin): New.
5044 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
5046 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
5048 * config/rs6000/rs6000.h (rs6000_builtins): Add
5049 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
5050 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
5051 * config/rs6000/rs6000-protos.h: Declare new functions.
5053 2005-08-08 Jan Hubicka <jh@suse.cz>
5055 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
5056 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
5057 * i386.md (movdi*): Use pic_32bit_operand.
5058 * predicates.md (pic_32bit_operand): New.
5060 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
5063 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
5065 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
5067 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
5068 (test_for_singularity): Use fold_build2.
5070 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5072 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
5074 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
5076 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
5077 (COMMON_ASM_OP) Define.
5078 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
5079 (ix86_encode_section_info): Likewise.
5080 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
5081 SUBTARGET_ENCODE_SECTION_INFO.
5083 2005-08-06 Richard Henderson <rth@redhat.com>
5086 * tree-nested.c (convert_local_reference): Save and restore val_only
5087 around component_ref and friends. Clear walk_subtrees by default.
5089 2005-08-06 Peter O'Gorman <peter@pogma.com>
5092 * gcc.c (process_command): Check the argument to -b has a dash.
5093 * doc/invoke.texi: Update -b and -V docs.
5095 2005-08-06 James E Wilson <wilson@specifix.com>
5097 * config/mips/cross64.h, config/mips/t-cross64: Delete.
5099 2005-08-06 Michael Matz <matz@suse.de>
5101 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
5102 member only if only one insn is associated with the value.
5104 2005-08-06 Nick Clifton <nickc@redhat.com>
5106 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
5108 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
5109 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
5110 Check symbol flags instead of symbol name mangling.
5111 (xstormy16_asm_output_aligned_common): Likewise. Also
5112 simplify code since the bss100_section cass is the only case
5113 where the below100 code will be triggered.
5114 (xstormy16_encode_section_info): Encode below100 attribute
5115 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
5117 (xstormy16_strip_name_encoding): Delete - this function is no
5119 (TARGET_STRIP_NAME_ENCODING): Undefine.
5120 * config/stormy16/stormy16-protos.h: Delete prototype for
5121 xstormy16_strip_name_encoding.
5123 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
5125 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
5126 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
5127 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
5128 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
5129 config/alpha/predicates.md, config/arc/arc.h,
5130 config/arm/arm.h, config/arm/ieee754-df.S,
5131 config/arm/ieee754-sf.S, config/bfin/bfin.c,
5132 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
5133 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
5134 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
5135 config/m68hc11/m68hc11.h, config/mips/mips.c,
5136 config/mips/mips.h, config/mips/openbsd.h,
5137 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
5138 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
5139 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
5140 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
5141 config/sparc/linux.h, config/sparc/linux64.h,
5142 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
5143 doc/extend.texi, doc/gcov.texi, doc/install.texi,
5144 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
5145 typos. Follow spelling conventions.
5147 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
5150 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
5151 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
5152 specially. Check for side effects only for COND_EXPR.
5153 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
5154 return with TREE_NO_WARNING.
5156 2005-08-06 Richard Sandiford <richard@codesourcery.com>
5158 PR rtl-optimization/23233
5159 * loop.c (combine_movables): Require the modes to be the same.
5160 (move_movables): Remove handling of cases where the replacement
5161 had a different mode to the original.
5163 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
5165 PR tree-optimization/23128
5166 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
5167 subtraction wrap, and set TREE_OVERFLOW if they do.
5169 2005-08-05 Richard Henderson <rth@redhat.com>
5172 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
5173 FORCED_LABEL labels.
5175 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
5178 * reload.c (find_reloads_subreg_address): Pass down TYPE
5179 unchanged. Change all callers except find_reloads_toplev.
5181 2005-08-05 Michael Matz <matz@suse.de>
5183 * genattrtab.c (current_alternative_string): Remove.
5184 (SIMPLIFY_ALTERNATIVE): Ditto.
5185 (attr_alt_bit_p): Ditto.
5186 (alternative_name): Make const char *.
5187 (evaluate_eq_attr): Remove use of above things.
5188 (simplify_test_exp): Ditto.
5189 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
5190 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
5192 2005-08-04 James E Wilson <wilson@specifix.com>
5194 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
5195 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
5196 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
5197 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
5198 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
5200 2005-08-04 Richard Henderson <rth@redhat.com>
5203 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
5204 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
5205 * tree-sra.c (decide_block_copy): Use it. Disable element copy
5206 if we'd have to instantiate too many members.
5208 2005-08-04 Richard Henderson <rth@redhat.com>
5211 * tree-outof-ssa.c (coalesce_asm_operands): New.
5212 (coalesce_ssa_name): Use it. Split out ...
5213 (coalesce_phi_operands, coalesce_result_decls): ... these.
5215 2005-08-04 Paul Brook <paul@codesourcery.com>
5217 * read-rtl.c (read_quoted_string): Break if EOF.
5219 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
5221 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
5222 (fold_build2): Likewise.
5223 (fold_build3): Likewise.
5224 (fold_build1_stat): New function prototype.
5225 (fold_build2_stat): Likewise.
5226 (fold_build3_stat): Likewise.
5227 * fold-const.c (fold_build1): Rename to ..
5228 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5229 through to build1_stat.
5230 (fold_build2): Rename to ..
5231 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5232 through to build2_stat.
5233 (fold_build3): Rename to ..
5234 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
5235 through to build3_stat.
5237 2005-08-04 David Edelsohn <edelsohn@gnu.org>
5238 Ian Lance Taylor <ian@airs.com>
5240 * function.c (assign_stack_local_1): Do not correct stack slot
5241 address if allocation size is smaller than mode size.
5243 2005-08-04 Diego Novillo <dnovillo@redhat.com>
5246 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
5247 (tree_merge_blocks): Propagate anything allowed by
5249 Clarify documentation.
5250 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
5251 SSA form, schedule an update if necessary.
5253 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
5255 * doc/install.texi (Binaries): Remove broken link to
5256 Sinix/Reliant Unix binaries.
5258 2005-08-03 Richard Henderson <rth@redhat.com>
5261 * function.c (stack_protect_epilogue): Export.
5262 * tree.h (stack_protect_epilogue): Declare.
5263 * calls.c (expand_call): Call it.
5265 2005-08-03 Eric Christopher <echristo@apple.com>
5267 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
5268 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
5271 2005-08-04 Jan Hubicka <jh@suse.cz>
5273 * profile.c (branch_prob): Split edges with goto locus on them
5274 to get proper line counts.
5275 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
5277 2005-08-03 Paul Brook <paul@codesourcery.com>
5279 * function.c (assign_parms): Round current_function_args_size
5280 to PARM_BOUNDARY, not STACK_BOUNDARY.
5282 2005-08-03 Geoffrey Keating <geoffk@apple.com>
5284 * config/i386/i386.c (x86_elf_aligned_common)
5285 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
5287 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
5289 PR tree-optimization/23157
5290 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
5291 before emitting them.
5293 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5295 PR tree-optimization/19899
5296 * Makefile.in (tree-scalar-evolution.o): Add real.h.
5297 * tree-scalar-evolution.c: Include real.h.
5298 (add_to_evolution): Build constant -1 of correct type.
5300 2005-08-03 Jan Hubicka <jh@suse.cz>
5302 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
5303 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
5304 profile updating for complette unrolling.
5305 * loop-unroll.c (peel_loop_completely): Use it.
5306 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
5307 (tree_unroll_loops_completely): Disable code growing unrolling of cold
5310 2005-08-03 Paul Brook <paul@codesourcery.com>
5312 * combine.c (can_change_dest_mode): New function.
5313 (try_combine, simplify_set): Use it.
5315 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
5317 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
5320 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
5322 * doc/install.texi (Specific): Adjust link to openavr.org.
5323 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
5324 (Binaries): Adjust HP-UX Porting Center link.
5325 (Binaries): Adjust Free Software Foundation ordering link.
5327 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
5329 * convert.c (convert_to_integer): Use fold_build1 instead of
5330 build1 when converting an integer to an integer.
5332 2005-08-02 Richard Henderson <rth@redhat.com>
5334 * combine.c (combine_instructions): Don't use reg_equal/equiv
5335 results if the mode doesn't match.
5337 2005-08-02 Mark Mitchell <mark@codesourcery.com>
5339 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
5340 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
5342 2005-08-02 Richard Henderson <rth@redhat.com>
5345 * explow.c (memory_address): Remove special-case for
5346 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
5348 2005-08-02 Diego Novillo <dnovillo@redhat.com>
5351 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
5352 number of calls to cleanup_tree_cfg_1.
5354 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
5356 * doc/invoke.texi: document file extensions .F90 and .F95
5358 2005-08-02 Richard Guenther <rguenther@suse.de>
5360 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
5361 positive if its first argument is positive.
5363 2005-08-02 Richard Guenther <rguenther@suse.de>
5365 PR tree-optimization/23177
5366 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
5369 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
5371 PR tree-optimization/23129
5372 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
5373 varying for divisions with anti-ranges.
5375 2005-08-02 Jan Hubicka <jh@suse.cz>
5377 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
5378 * tree-ssa-threadupdate.c (thread_block): Add it here.
5380 2005-08-01 James E Wilson <wilson@specifix.com>
5382 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
5383 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
5384 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
5386 * config/mips/predicates.md (const_call_insn_operand): Add check for
5387 SYMBOL_REF_LONG_CALL_P.
5388 * doc/extend.texi (long_call): Document the new attribute.
5390 2005-08-01 Ian Lance Taylor <ian@airs.com>
5391 Richard Henderson <rth@redhat.com>
5393 * Makefile.in (RTL_BASE_H): Add real.h.
5394 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
5396 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
5398 * rtl.c (rtl_check_failed_code_mode): New.
5399 * rtl.h (struct rtx_def): Add u.rv.
5400 (XCMWINT, XCNMPRV): New.
5401 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
5402 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
5404 2005-08-01 Richard Henderson <rth@redhat.com>
5406 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
5407 with auto-inc codes.
5409 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
5411 2005-08-01 Jan Hubicka <jh@suse.cz>
5413 * i386-protos.h (asm_preferred_eh_data_format): Declare.
5414 * i386.c: Include dwarf2.h
5415 (asm_preferred_eh_data_format): New.
5416 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
5418 2005-08-01 Ian Lance Taylor <ian@airs.com>
5420 * config/host-linux.c (linux_gt_pch_get_address): Add new name
5421 randomize_va_space for virtual address randomization control.
5423 2005-08-01 Steven Bosscher <stevenb@suse.de>
5425 * common.opt (flag_ipa_cp): Put in right place to maintain
5428 2005-08-01 Jan Hubicka <jh@suse.cz>
5430 * profile.c (compute_value_histograms): Fix thinko.
5431 * value-prof.c: Include toplev.h
5432 (check_counter): New function.
5433 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
5434 tree_mod_subtract_transform): Add sanity check.
5436 2005-08-01 Richard Guenther <rguenther@suse.de>
5438 PR tree-optimization/23133
5439 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
5440 current functions parameter decls to find defs to cse
5443 2005-08-01 Richard Guenther <rguenther@suse.de>
5445 PR tree-optimization/23109
5446 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
5447 If trapping math is in effect, use post-dominator information
5448 to check if we'd in any case reach a trapping point before
5449 doing the reciprocal insertion.
5450 (execute_cse_reciprocals): Compute post-dominators, if necessary.
5451 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
5452 expressions are invariant only if trapping math is not in effect.
5454 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5456 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
5457 cgraph_function_versioning): New declarations.
5458 * cgraphunit.c: Add include to ipa-prop.h.
5459 (update_call_expr, cgraph_copy_node_for_versioning,
5460 cgraph_function_versioning): New functions.
5461 * integrate.c (copy_decl_for_inlining): Remove.
5462 * ipa-prop.h (ipa_replace_map): New struct.
5463 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
5464 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
5465 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
5466 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
5467 ipcp_iterate_stage, ipcp_method_scale_print,
5468 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
5469 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
5470 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
5471 ipcp_update_bb_counts, ipcp_update_profiling,
5472 ipcp_update_edges_counts): New functions.
5473 (ipcp_method_cval_init): Remove restriction regarding local methods.
5474 (ipcp_init_stage): Add ipcp_method_compute_scale.
5475 (ipcp_insert_stage): Add versioning.
5476 (ipcp_structures_print): Add ipcp_method_scale_print.
5477 (ipcp_driver): Dump profiling info.
5478 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
5479 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
5480 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
5481 (struct inline_data): Add versioning_p, ipa_info, new fields.
5482 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
5483 declare_return_variable): Replace calls to copy_decl_for_inlining with
5485 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
5487 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
5488 Add argument VERSIONING.
5489 (copy_arguments_for_versioning, copy_static_chain,
5490 function_versionable_p, tree_versionable_function_p,
5491 tree_function_versioning, replace_ref_tree): New functions.
5492 * tree-inline.h: Include varray.h.
5493 (tree_versionable_function_p, tree_function_versioning,
5494 tree copy_decl_for_dup): New declarations.
5496 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
5498 * ipa-cp.c: New file. Contains IPCP specific functionality.
5499 * ipa-prop.h: New file. Contains structures/definitions that can be
5500 used by several interprocedural data flow optimizations (and also IPCP).
5501 * ipa-prop.c: New file.
5502 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
5503 * common.opt: Add ipa-cp flag.
5504 * timevar.def: Add IPCP optimization.
5505 * tree-optimize.c (init_tree_optimization_passes): Schedule
5507 * tree-pass.h (pass_ipa_cp): Declare.
5509 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
5511 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
5512 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
5513 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
5514 config/i386/i386.c, config/mips/mips.h,
5515 config/rs6000/rs6000.h, config/sh/sh.c,
5516 config/stormy16/stormy16.c: Fix comment typos.
5518 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
5521 * c-typeck.c (build_binary_op): Use common_type wrapper on
5523 (common_type): Update comment.
5525 2005-07-31 Steven Bosscher <stevenb@suse.de>
5528 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
5529 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
5530 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
5532 2005-07-31 Jan Hubicka <jh@suse.cz>
5534 * pretty-print.h (pp_widest_integer): New macro.
5535 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
5538 2005-07-31 Jan Hubicka <jh@suse.cz>
5540 * output.h (enum section_category): Export from varasm.c
5541 (categorize_decl_for_section): Likewise.
5542 * varasm.c (enum section_category): Kill.
5543 (categorize_decl_for_section): Make global.
5544 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
5546 * i386.c (ix86_section_threshold): New static variable.
5547 (ix86_in_large_data_p, ix86_encode_section_info,
5548 x86_64_elf_unique_section,
5549 x86_64_elf_select_section): New functions.
5550 (TARGET_ENCODE_SECTION_INFO): Define
5551 (override_options): Enable medium model for PIC.
5552 (ix86_expand_prologue): Expand gen_set_got_rex64.
5553 (legitimate_constant_p): Handle new UNSPECs.
5554 (legitimate_pic_address_disp_p): Likewise.
5555 (legitimize_pic_address): Lower MEDIUM model addressing.
5556 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
5557 (enum cmodel): Add MEDIUM_PIC.
5558 (SYMBOL_REF_FAR_ADDR_P): New macro.
5559 (SYMBOL_FLAG_FAR_ADDR): New flag.
5560 * i386.md (movdi): Support medium model.
5561 (set_got_rex64): New pattern.
5562 * i386.opt (mlarge-data-threshold): New flag.
5563 * predicates.md (zext_operand/sext_operand): Deal with medium model.
5564 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
5565 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
5566 TARGET_ASM_UNIQUE_SECTION): New.
5568 * invoke.texi (-mlarge_data_threshold): Document
5570 2005-07-31 Jan Hubicka <jh@suse.cz>
5572 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
5573 (coalesce_vars): Likewise.
5574 * tree-ssa-live.c (coalesce_cost): New.
5575 (build_tree_conflict_graph): Use coalesce_cost.
5576 * tree-ssa-live.h (coalesce_cost): Declare.
5578 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
5580 * arm.md (all peepholes for post-increment operations): Delete.
5581 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
5582 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
5583 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
5584 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
5585 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
5587 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
5589 * fold-const.c (tree_expr_nonnegative_p): Always return true for
5592 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
5595 * doc/invoke.texi: Document -rdynamic.
5597 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
5600 * c-parser.c (c_parser_parms_list_declarator): Call
5601 mark_forward_parm_decls.
5602 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
5603 decls with visibility structure.
5605 2005-07-30 Paul Brook <paul@codesourcery.com>
5607 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
5609 2005-07-30 Paul Brook <paul@codesourcery.com>
5611 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
5613 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
5615 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
5617 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5620 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
5621 nested function declarators.
5622 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
5623 (grokparms): Call warn_if_shadowing for parameters used within the
5625 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
5626 not used within the parameter list.
5627 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
5629 2005-07-30 Jan Hubicka <jh@suse.cz>
5631 * expr.c (expand_expr_real_1): Do not load mem targets into register.
5632 * i386.c (ix86_fixup_binary_operands): Likewise.
5633 (ix86_expand_unary_operator): Likewise.
5634 (ix86_expand_fp_absneg_operator): Likewise.
5635 * optabs.c (expand_vec_cond_expr): Validate dest.
5637 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5640 * real.c (real_from_string): Also set last bit if there is a
5641 nonzero hex digit beyond GCC's internal precision after ".".
5643 2005-07-29 David Edelsohn <edelsohn@gnu.org>
5645 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
5646 define_constants. Change duplicate values to unassigned numbers.
5647 Change UNSPEC_SUBS to UNSPEC_VSUBS.
5648 (*altivec_vspltsf): New.
5649 (altivec_vperm_v4sf): Delete.
5650 (altivec_vperm_<mode>): Use mode macro V.
5651 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
5652 (altivec_predicate_v4sf): Delete.
5653 (altivec_predicate_<mode>): Use mode macro V.
5654 (*altivec_lvesfx): New.
5655 (*altivec_stvesfx): New.
5656 (vec_realign_load_v4sf): Delete.
5657 (vec_realign_load_<mode>): Use mode macro V.
5658 * config/rs6000/rs6000.c (generate_set_vrsave): Use
5661 2005-07-29 Mark Mitchell <mark@codesourcery.com>
5664 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
5666 * configure: Regenerated.
5668 2005-07-29 Paul Brook <paul@codesourcery.com>
5670 * doc/install.texi: Add link to GFortran binaries wiki page.
5672 2005-07-29 David Ung <davidu@mips.com>
5674 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
5675 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
5676 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
5677 * config/mips/mips.md (cpu): Add 5kf name.
5678 (includes): Includes 5k.md.
5679 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
5680 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
5683 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5686 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
5687 (cleanup_tree_cfg): ... here.
5688 Call cleanup_tree_cfg_1 until there are no more cleanups to
5691 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
5693 * tree-vrp.c (compare_range_with_value): Return true or false
5694 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
5695 EQ_EXPR respectively.
5697 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
5699 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
5702 2005-07-29 Diego Novillo <dnovillo@redhat.com>
5704 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
5705 (tree_ssa_dominator_optimize): Increment it.
5706 (dump_dominator_optimization_stats): Print it.
5708 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
5709 Steven Bosscher <stevenb@suse.de>
5711 PR rtl-optimization/23117
5712 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
5713 when head == tail. Tidy comment.
5715 2005-07-28 Richard Henderson <rth@redhat.com>
5717 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
5718 * cselib.c (rtx_equal_for_cselib_p): Likewise.
5719 * jump.c (rtx_renumbered_equal_p): Likewise.
5720 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
5721 CONST_INT and CONST_DOUBLE.
5722 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
5723 * reload.c (operands_match_p): Special case CONST_INT and
5724 CONST_DOUBLE; check mode earlier.
5726 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5729 * c-typeck.c (convert_for_assignment): Do not check
5730 DECL_IN_SYSTEM_HEADER on NULL fundecl.
5732 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5735 * c-typeck.c (composite_type): Prefer constant size arrays to
5738 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
5741 * real.c (real_from_string): Set last bit if there is a nonzero
5742 hex digit beyond GCC's internal precision.
5744 2005-07-28 Richard Henderson <rth@redhat.com>
5747 * cfgcleanup.c (try_forward_edges): Watch out for end of
5750 2005-07-28 James E Wilson <wilson@specifixinc.com>
5753 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
5755 2005-07-28 Jan Hubicka <jh@suse.cz>
5757 * Makefile.in (rtl-profile.o): Kill all traces of it.
5758 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
5759 * coverage.h (rtl_coverage_counter_ref): Kill.
5760 * opts.c (flag_speculative_prefetching_set): Kill.
5761 (flag_loop_optimize_set): New.
5762 (common_handle_option): Disable loop optimizer when profiling;
5763 do not handle speculative prefetching.
5764 * passes.c (init_optimization_passes): Replace pass_profiling combo
5765 by branch_prob pass.
5766 * profile.c (compute_value_histograms): Update for simplified value
5768 (rtl_register_profile_hooks): Kill.
5769 (pass_profiling): Kill.
5770 (rest_of_handle_branch_prob): Do not profile.
5771 * toplev.c (process_options): Remove speculative prefetching.
5772 * toplev.h (flag_tree_based_profiling): Kill.
5773 * tree-profile.c (prepare_instrumented_value,
5774 tree_gen_interval_profiler, tree_gen_pow2_profiler,
5775 tree_gen_one_value_profiler, do_tree_profiling): Update for
5776 simplified datastructures.
5777 * value-prof.c: Add comment that speculative prefetching was dropped;
5778 update rest of file for simplified datastructures.
5779 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
5780 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
5781 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
5782 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
5783 rtl_mod_subtract, gen_speculative_prefetch,
5784 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
5785 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
5786 (gate_handle_value_profile_transformations,
5787 rest_of_handle_value_profile_transformations,
5788 pass_value_profile_transformations): Kill.
5789 * value-prof.h (histogram_value_t): Remove IL based unions.
5790 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
5791 rtl_profile_hooks): Remove hooks.
5793 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
5795 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
5796 (cgraph_clone_node): Likewise.
5797 * cgraph.h (cgraph_clone_edge): Update prototype.
5798 (cgraph_clone_node): Likewise.
5799 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
5801 (lookup_recursive_calls): Consider profile.
5802 (cgraph_decide_recursive_inlining): Fix updating; use new
5803 probability argument; use profile.
5804 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
5805 * tree-inline.c (copy_bb): Update clal of clone_edge.
5806 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
5808 * invoke.texi (min-inline-recursive-probability): Document.
5810 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
5812 * doc/install.texi (Configuration): Update Valgrind homepage.
5814 2005-07-28 Richard Henderson <rth@redhat.com>
5817 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
5818 labels we want to delete.
5819 (cfg_layout_merge_blocks): Likewise.
5821 2005-07-28 Richard Henderson <rth@redhat.com>
5824 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
5825 when expanding to nothing.
5827 2005-07-28 Josh Conner <jconner@apple.com>
5829 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
5830 (cgraph_decide_inlining_of_small_functions): Likewise.
5832 2005-07-28 Josh Conner <jconner@apple.com>
5834 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
5835 direction of badness if negative.
5836 (cgraph_default_inline_p): Add reason to parameters, and assign it
5838 (cgraph_decide_inlining_of_small_functions): New parameter in call
5839 to cgraph_default_inline_p.
5840 (cgraph_decide_inlining_incrementally): Likewise.
5841 * cgraphunit.c (decide_is_function_needed): Likewise.
5842 * cgraph.h (cgraph_default_inline_p): Likewise.
5844 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5846 * builtins.c: Fix comment typo(s).
5847 * genautomata.c: Likewise.
5848 * gimplify.c: Likewise.
5849 * tree-dfa.c: Likewise.
5850 * tree-flow-inline.h: Likewise.
5851 * tree-into-ssa.c: Likewise.
5852 * tree-ssa-alias.c: Likewise.
5853 * tree-ssa-ccp.c: Likewise.
5854 * tree-ssa-copy.c: Likewise.
5855 * tree-ssa-dce.c: Likewise.
5856 * tree-ssa-dom.c: Likewise.
5857 * tree-ssa-operands.c: Likewise.
5858 * tree-tailcall.c: Likewise.
5859 * tree-vectorizer.c: Likewise.
5860 * tree-vrp.c: Likewise.
5863 2005-07-28 Jeff Law <law@redhat.com>
5865 * tree-vrp.c (test_for_singularity): Extracted from ...
5866 (simplify_cond_using_ranges): Attempt to simplify a relational
5867 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
5869 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
5871 PR tree-optimization/22506
5872 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
5873 phis whose argument is constant.
5875 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
5877 PR rtl-optimization/18992
5878 Back out this patch:
5879 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5880 PR optimization/12142
5881 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
5882 uses of the register in the SET_SRC. Remove unnecessary argument.
5884 Replace it with this:
5885 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
5886 if flag_non_call_exceptions is set and the insn may trap, pass
5887 pc_rtx as dest for recursion.
5888 In SET_SRC part of SET case, if dest is already set, pass it down
5891 2005-07-28 Jan Hubicka <jh@suse.cz>
5893 * cfg.c (update_bb_profile_for_threading): Use RDIV.
5894 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
5895 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
5897 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
5898 profile when available.
5900 2005-07-28 Jan Beulich <jbeulich@novell.com>
5902 * config/ia64/ia64.c (ia64_load_pair_ok): New.
5903 (ia64_print_operand): Describe and handle 'X'.
5904 (ia64_register_move_cost): Also handle FP_REGS.
5905 (ia64_preferred_reload_class): Likewise.
5906 (ia64_secondary_reload_class): Likewise.
5907 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
5908 it. Also check for ITANIUM_CLASS_FLDP.
5909 * config/ia64/ia64.h (FP_REGNO_P): New.
5910 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
5911 (reg_class): Add FP_REGS.
5912 (REG_CLASS_NAMES): Adjust for it.
5913 (REG_CLASS_CONTENTS): Likewise.
5914 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
5915 (REG_CLASS_FROM_LETTER): Handle 'x'.
5916 (CLASS_MAX_NREGS): Handle FP_REGS.
5917 (MEMORY_MOVE_COST): Likewise.
5918 * config/ia64/ia64.md (itanium_class): Add fldp.
5919 (type): Handle fldp.
5920 (movti_internal): More allowable operand combinations. Use ldfp8 when
5921 splitting unnecessary. Remove predicable attribute. Adjust
5922 itanium_class attribute.
5923 (smuldi3_highpart): Remove outdated comment.
5924 (mulditi3, umulditi3, rotlti3): New expanders.
5925 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
5926 (absti2): Disabled new insn for future reference.
5927 Respective new splitters.
5928 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
5929 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
5930 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
5932 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
5934 PR rtl-optimization/23047
5935 * simplify-rtx.c (simplify_const_relational_operation): Respect
5936 flag_wrapv for comparisons with ABS.
5938 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
5940 PR tree-optimization/22493
5941 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
5942 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
5944 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
5946 * config/frv/frv.opt (moptimize-membar): New.
5948 * doc/invoke.texi: Document -moptimize-membar and its inverse.
5950 * config/frv/frv.h: Remove machine_function definition.
5952 * config/frv/frv.c (struct frv_io): New.
5953 (struct machine_function): Moved from frv.h. Add has_membar_p.
5954 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
5955 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
5956 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
5957 (frv_optimize_membar_global, frv_optimize_membar): New functions.
5958 (frv_reorg): Call frv_optimize_membar when appropriate.
5959 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
5960 (frv_expand_builtin): Adjust calls accordingly.
5961 (frv_io_address_cookie): New function.
5962 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
5963 load or store rather than a special insn. Add ccnstant address and
5964 io-type operands to the membar.
5965 (frv_ifcvt_modify_tests): Unsign regno.
5966 (frv_ifcvt_modify_tests): Same.
5968 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
5969 UNSPEC_OPTIONAL_MEMBAR constant.
5970 (builtin_read_<mode>): Delete.
5971 (builtin_write_<mode>): Delete.
5972 ("optional_membar_<mode>"): Add operand.
5974 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
5975 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
5976 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
5977 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
5978 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
5979 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
5980 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
5981 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
5982 * testsuite/gcc.target/frv/all-read-write-1.c: New.
5984 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
5986 * df.c (df_uses_record): Handle SCRATCH.
5988 2005-07-28 Steven Bosscher <stevenb@suse.de>
5991 * passes.c (rest_of_decl_compilation): If decl is a type and
5992 we have encountered errors, don't emit debug information.
5994 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5996 * params.def: Fixed comment.
5998 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
6001 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
6002 (TARGET_ASM_UNALIGNED_HI_OP): Add.
6003 (TARGET_ASM_UNALIGNED_SI_OP): Add.
6005 2005-07-27 Steven Bosscher <stevenb@suse.de>
6008 * varasm.c (assemble_start_function): Don't do anything that may
6009 require a CFG if the current function is a thunk.
6011 2005-07-25 Geoffrey Keating <geoffk@apple.com>
6013 * doc/install.texi (Prerequisites): Mention that perl is needed
6014 to do export control in libstdc++ targetting Darwin.
6016 2005-07-27 Steven Bosscher <stevenb@suse.de>
6018 PR rtl-optimization/17808
6019 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
6020 (sched_insns_conditions_mutex_p): Split out from...
6021 (add_dependence): ...here. But don't call it from here.
6022 (add_dependence_list): Check sched_insns_conditions_mutex_p
6023 before calling add_dependence.
6024 (add_dependence_list_and_free): Likewise.
6025 (fixup_sched_groups): Likewise.
6026 (sched_analyze_1): Likewise.
6027 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
6028 (sched_analyze): Likewise.
6029 (sched_analyze_insn): Likewise.
6030 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
6031 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
6032 dependencies on all COND_EXEC insns to jumps ending basic blocks
6033 when doing intrablock scheduling.
6034 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
6036 2005-07-27 Jeff Law <law@redhat.com>
6038 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
6039 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
6040 equivalency sets, correctly handle the case were vr0 has an
6041 equivalency set, but vr1 does not.
6043 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
6045 PR tree-optimization/23073
6046 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
6047 vect_print_dump_info before fprintf.
6049 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6051 PR tree-optimize/22348
6052 * tree-ssa-loop-niter.c (number_of_iterations_cond):
6053 Fold the partial computation.
6055 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6057 PR tree-optimization/22325
6058 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
6060 * tree-scalar-evolution.c (scev_const_prop): Add generic final
6062 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
6063 (force_var_cost): ... this function.
6064 (compute_phi_arg_on_exit): Export.
6066 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
6068 PR tree-optimization/20773
6069 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
6072 2005-07-27 Richard Guenther <rguenther@suse.de>
6074 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
6075 Avoid pushing again if current struct contains only
6076 fields we decomposed.
6078 2005-07-27 Jan Hubicka <jh@suse.cz>
6080 PR tree-optimization/22574
6081 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
6084 * tree-tailcall.c (decrease_profile): New function.
6085 (eliminate_tail_call): Use it.
6087 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
6088 visibility flags correctly in whole program mode.
6090 2005-07-26 Steve Ellcey <sje@cup.hp.com>
6092 PR rtl-optimization/22472
6093 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
6095 2005-07-26 Steven Bosscher <stevenb@suse.de>
6097 PR tree-optimization/22504
6098 * tree-complex.c (expand_complex_addition): Use 'code' instead
6099 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
6101 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
6103 * config.gcc (cpu_type): Add frv case.
6104 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
6105 (supported_defaults): Add fr550 case.
6107 2005-07-26 Diego Novillo <dnovillo@redhat.com>
6110 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
6111 whether a pointer of type T * may point to objects of type T *.
6113 2005-07-26 DJ Delorie <dj@redhat.com>
6115 * configure: Regenerate.
6117 2005-07-26 Dale Johannesen <dalej@apple.com>
6119 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
6121 2005-07-26 Mark Mitchell <mark@codesourcery.com>
6123 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
6124 Clarify use of "build" in name.
6126 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
6128 * doc/extend.texi (Raw read/write Functions): New section.
6129 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
6130 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
6131 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
6132 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
6133 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
6134 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
6135 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
6136 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
6137 * config/frv/frv.c: Add bdesc_loads global.
6138 Add bdesc_stores global.
6139 (frv_init_builtins): Add support for __builtin_{read/write}*.
6140 (frv_volatile_memref): New.
6141 (frv_expand_load_builtin): New.
6142 (frv_expand_store_builtin): New.
6143 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
6144 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
6145 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
6146 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
6147 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
6148 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
6149 (builtin_read_<mode>): New.
6150 (builtin_write_<mode>): New.
6151 (builtin_write64): New.
6152 (optional_membar_<mode>): New.
6154 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
6156 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
6157 (rather than units) against HOST_BITS_PER_WIDE_INT.
6159 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
6161 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
6162 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
6163 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
6164 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
6167 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
6168 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
6169 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
6171 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
6173 2005-07-26 Richard Guenther <rguenther@suse.de>
6175 PR tree-optimization/22486
6176 * fold-const.c (fold_unary): Fold away useless component
6177 references of the form (T *)&T.x, if the address
6180 2005-07-25 James E Wilson <wilson@specifixinc.com>
6182 * dwarf2out.c (add_call_src_coords_attributes): New.
6183 (gen_inlined_subroutine_die): Call it.
6184 (maybe_emit_file, init_file_table): Add comments.
6185 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
6187 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
6188 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
6189 * tree.h (BLOCK_SOURCE_LOCATION): New.
6190 (struct tree_block): New field locus.
6192 2005-07-26 Andreas Schwab <schwab@suse.de>
6194 PR rtl-optimization/23043
6195 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
6196 when allocating a struct unoccr.
6198 2005-07-25 Richard Henderson <rth@redhat.com>
6201 * tree-complex.c (gate_no_optimization): True if errors.
6202 * Makefile.in (tree-complex.o): Update dependencies.
6204 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
6206 * config/frv/predicates.md (integer_register_operand): Use
6209 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6212 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
6214 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
6216 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
6218 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
6219 types when flag_unsafe_math_optimizations is true.
6221 2005-07-25 Mark Mitchell <mark@codesourcery.com>
6223 * gcc.c (option_map): Add --sysroot.
6224 (process_command): Handle --sysroot.
6225 (display_help): Document it.
6226 * doc/cppopts.tex (-isysroot): Document.
6227 * doc/invoke.texi (--sysroot): Document.
6228 * doc/install.texi (--with-build-sysroot): Document.
6230 * Makefile.in (inhibit_libc): New variable.
6231 (INHIBIT_LIBC_CFLAGS): Likewise.
6232 (LIBGCC2_CFLAGS): Include
6233 $(INHIBIT_LIBC_CFLAGS).
6234 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
6235 ($(T)crtbegin.o): Do not use @inhibit_libc@.
6236 ($(T)crtend.o): Likewise.
6237 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
6238 ($(T)crtendS.o): Likewise.
6239 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
6240 ($(T)crtendT.o): Likewise.
6241 (stmp-fixinc): Do not complain about missing headers if
6243 * configure.ac (inhibit_libc): Set it to true/false.
6244 (--with-build-sysroot): New option. Use it to set
6246 * configure: Regenerated.
6248 2005-07-25 Manfred Hollstein <mh@suse.com>
6250 * calls.c (store_one_arg): Fix unsigned comparison warning.
6252 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
6255 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
6256 (ggc_print_statistics): Initialize variable before use.
6258 2005-07-25 Richard Guenther <rguenther@suse.de>
6260 * tree-dfa.c (mark_new_vars_to_rename): Protect against
6261 calling with a PHI_NODE argument.
6263 * tree-flow-inline.h (overlap_subvar): Protect against
6266 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
6268 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
6269 * configure: Regenerate.
6271 2005-07-25 Ira Rosen <irar@il.ibm.com>
6273 * expr.c (highest_pow2_factor): Make extern.
6274 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
6275 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6276 record_array_differ_p, array_ptr_differ_p): Likewise.
6277 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
6278 additional cases. Call the above functions.
6279 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
6280 base_object_differ_p when there are two base objects. Otherwise, compare
6281 base address and offset. Call may_alias_p.
6282 (dump_data_reference): Use a correct field name.
6283 (analyze_array): Make static. Initialize new data-ref fields.
6284 (analyze_indirect_ref): New function.
6285 (init_data_ref): Initialize new data-ref fields.
6286 (strip_conversion): Moved from tree-vect-analyze.c.
6287 (analyze_offset_expr, get_ptr_offset, address_analysis,
6288 object_analysis): Likewise.
6289 (analyze_offset): New function.
6290 (create_data_ref): Likewise.
6291 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
6292 dimensions for ARRAY_REFs only.
6293 (build_classic_dist_vector): Make static.
6294 (access_functions_are_affine_or_constant_p): Call macro to get the
6295 address of access functions.
6296 (compute_all_dependences): Add new parameter
6297 compute_self_and_read_read_dependences. Compute self and read-read
6298 dependences if it is true.
6299 (find_data_references_in_loop): Call create_data_ref. Initialize new
6301 (compute_data_dependences_for_loop): Add new parameter
6302 compute_self_and_read_read_dependences. Remove parameter nb_loops,
6303 compute nb_loops. Call compute_all_dependences,
6304 build_classic_dist_vector and build_classic_dir_vector with correct
6306 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
6307 with correct parameters. Compare dimensions for ARRAY_REFs only.
6308 (free_data_refs): Call macro to free access functions.
6309 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
6310 fields from stmt_vinfo.
6311 (struct base_object_info): New structure.
6312 (struct data_reference): Move fields to base_object_info. Add fields
6313 first_location and object_info for above structures. Move fields from
6314 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
6315 aligned_to. Add macros to access the new fields.
6316 Update functions declarations.
6317 * tree-flow.h (is_aliased_with): Declare.
6318 * tree-loop-linear.c (linear_transform_loops): Call
6319 compute_data_dependences_for_loop with correct parameters.
6320 * tree-ssa-alias.c (is_aliased_with): New function.
6321 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
6322 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
6323 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
6324 vect_base_addr_differ_p, compute_subscript_distance and
6325 build_classic_dist_vector. Add printings. Check absolute value of
6327 (vect_analyze_data_ref_dependences): Go through ddrs instead of
6329 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
6330 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
6331 to bytes. Add printing.
6332 (vect_compute_data_refs_alignment): Go through loads and stores in one
6334 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
6335 vect_analyze_data_ref_access): Likewise.
6336 (vect_analyze_pointer_ref_access): Remove.
6337 (vect_address_analysis, vect_object_analysis): Likewise.
6338 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
6339 and analyze data-refs in the loop.
6340 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
6341 fields of data-ref instead of stmt. Add init to the offset from the
6343 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
6344 (vect_update_init_of_dr): Likewise.
6345 (vect_update_inits_of_drs): Go through loads and stores in one loop.
6346 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
6348 (new_loop_vec_info): Initialize new fields.
6349 (destroy_loop_vec_info): Free new fields.
6350 (vect_strip_conversion): Remove.
6351 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
6352 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
6353 datarefs. Add new field ddrs.
6354 Add macros for the new fields access.
6355 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
6356 base_aligned_p, misalignment, memtag, ptr_info and subvars.
6357 Remove their macros.
6358 * tree.h (highest_pow2_factor): Declare.
6360 2005-07-25 Jakub Jelinek <jakub@redhat.com>
6362 * calls.c (store_one_arg): Check for sibling call MEM arguments
6363 from already clobbered incoming argument area.
6365 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6367 * c-common.c (check_missing_format_attribute): New.
6368 * c-common.h (check_missing_format_attribute): Likewise.
6369 * c-typeck.c (convert_for_assignment): Use it.
6371 2005-07-24 Andreas Schwab <schwab@suse.de>
6373 * config/m68k/m68k.md ("extendqidi2"): When source is an address
6374 register use a word move. Correct operand of ext.w in 68000 code.
6376 2005-07-23 Mark Mitchell <mark@codesourcery.com>
6378 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
6379 variables as declarations, rather than definitions.
6381 2005-07-24 Ira Rosen <irar@il.ibm.com>
6383 PR tree-optimization/22526
6384 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
6387 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
6389 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
6390 that C99 reserve for future use. Use it to define clog10,
6391 clog10f and clog10l.
6393 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6395 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
6396 * configure.ac: Check for -Wmissing-format-attribute.
6398 * configure: Regenerate.
6400 2005-07-23 Richard Henderson <rth@redhat.com>
6402 PR tree-optimization/22623
6403 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
6405 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
6408 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
6410 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6412 * Makefile.in (C_TREE_H): Update dependencies.
6413 * c-tree.h: Include toplev.h.
6414 * diagnostic.h (diagnostic_set_info): Add format attribute.
6415 * rtl-error.c (diagnostic_for_asm): Likewise.
6417 2005-07-23 Chao-ying Fu <fu@mips.com>
6419 * config/mips/mips-dsp.md: New file.
6420 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
6421 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
6423 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
6424 MIPS_BUILTIN_BPOSGE32.
6425 (mips_expand_builtin_direct): Add one parameter to indicate that
6426 builtin functions need to return a value.
6427 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
6429 (mips_regno_to_class): Add classes for 12 new DSP registers.
6430 (mips_subword): Change to check four HI registers.
6431 (mips_output_move): Output move to and from 6 new DSP accumulators.
6432 (override_options): Make sure -mdsp and -mips16 are not used together.
6433 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
6435 (mips_conditional_register_usage): Disable 6 new DSP accumulators
6437 (print_operand): Add 'q' for printing DSP accumulators.
6438 (mips_cannot_change_mode_class): Check ACC_REGS.
6439 (mips_secondary_reload_class): Check ACC_REGS.
6440 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
6441 (mips_register_move_cost): Check ACC_REGS.
6442 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
6443 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
6444 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
6445 (dsp_bdesc): New array.
6446 (bdesc_arrays): Add DSP builtin function table.
6447 (mips_prepare_builtin_arg): Check predicate again after
6449 (mips_expand_builtin): Add one more parameter to
6450 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
6451 MIPS_BUILTIN_BPOSGE32.
6452 (mips_init_builtins): Initialize new function types.
6453 (mips_expand_builtin_direct): Check if builtin functions need to
6454 return a value and pass operands properly.
6455 (mips_expand_builtin_bposge): New function.
6456 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
6457 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
6458 (FIRST_PSEUDO_REGISTER): Increase to 188.
6459 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
6460 Update for 12 new DSP registers.
6461 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
6462 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
6463 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
6464 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
6465 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
6466 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
6467 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
6468 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
6469 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
6470 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
6471 (REGISTER_NAMES): Add names for 12 new DSP registers.
6472 * config/mips/mips.md: Include mips-dsp.md.
6473 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
6474 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
6475 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
6476 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
6477 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
6478 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
6479 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
6480 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
6481 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
6482 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
6483 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
6484 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
6485 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
6486 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
6487 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
6488 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
6489 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
6490 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
6491 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
6492 (UNSPEC_RDDSP): New constants.
6493 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
6494 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
6496 * config/mips/mips.opt (-mdsp): New option.
6497 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
6498 (reg_imm10_operand): New predicates.
6499 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
6500 * doc/invoke.texi (-mdsp): Document new option.
6502 2005-07-22 DJ Delorie <dj@redhat.com>
6504 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
6506 * tree-inline.c (inlinable_function_p): Likewise.
6508 2005-07-22 Mark Mitchell <mark@codesourcery.com>
6511 * toplev.c (check_global_declarations): Do not mark undefined
6512 variables as DECL_IGNORED_P.
6513 * varasm.c (first_global_object_name): GTY it.
6514 (weak_global_object_name): Likewise.
6515 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
6516 a string to go into {weak,first}_global_object_name.
6518 2005-07-22 DJ Delorie <dj@redhat.com>
6520 * c-format.c (check_function_format): Change warning control
6521 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
6523 2005-07-22 Diego Novillo <dnovillo@redhat.com>
6525 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
6526 &PTR->FLD a dereference of PTR.
6527 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
6528 a potential dereference of PTR.
6530 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
6532 PR rtl-optimization/20370
6533 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
6534 call allocate_reg_info if necessary.
6536 PR rtl-optimization/21848
6537 * calls.c (emit_library_call_value_1): For const functions, add
6538 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
6540 PR rtl-optimization/22445
6541 * cselib.c (target.h): Include.
6542 (rtx_equal_for_cselib_p): Allow commutative matches.
6543 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
6544 Remove MODE parameter. Changed all callers.
6546 PR rtl-optimization/22258
6547 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
6549 (try_combine): Use likely_spilled_retval_p.
6551 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
6553 * config.gcc: Add crx-elf support.
6555 * doc/contrib.texi: Mention crx.
6556 * doc/extend.texi: Document crx extensions.
6557 * doc/install.texi: Document crx install.
6558 * doc/invoke.texi: Document crx options.
6559 * doc/md.texi: Document crx constraints.
6561 * config/crx/crx-protos.h: New file.
6562 * config/crx/crx.c: New file.
6563 * config/crx/crx.h: New file.
6564 * config/crx/crx.md: New file.
6565 * config/crx/crx.opt: New file.
6566 * config/crx/t-crx: New file.
6568 2005-07-22 Manfred Hollstein <mh@suse.com>
6570 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
6572 (int_add_graph_edge): Likewise.
6573 (collapse_nodes): Likewise.
6574 (process_unification_queue): Likewise.
6576 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6577 Laurent GUERBY <laurent@guerby.net>
6579 PR tree-optimization/22336
6580 * function.c (record_block_change): Check for
6581 cfun->ib_boundaries_block.
6583 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
6585 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
6586 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
6588 2005-07-21 DJ Delorie <dj@redhat.com>
6590 * toplev.c (warn_deprecated_use): Add warning control to warning
6592 * c-typeck.c (parser_build_binary_op): Likewise.
6593 (c_finish_if_stmt): Likewise.
6594 * c-common.c (check_function_sentinel): Likewise.
6595 (check_nonnull_arg): Likewise.
6597 2005-07-21 Richard Henderson <rth@redhat.com>
6600 * tree-complex.c (complex_ssa_name_components): New.
6601 (cvc_lookup): Allow entry not found.
6602 (create_components): Remove.
6603 (create_one_component_var, get_component_var): New.
6604 (get_component_ssa_name, set_component_ssa_name): New.
6605 (extract_component): Use get_component_ssa_name.
6606 (update_complex_components): Use set_component_ssa_name.
6607 (update_complex_components_on_edge): Likewise.
6608 (update_phi_components): Create new PHI nodes directly, instead
6609 of adding insns to edges.
6610 (tree_lower_complex): Allocate and free complex_variable_components
6611 and complex_ssa_name_components here.
6613 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
6615 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
6616 revert to returning false.
6618 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6621 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
6623 2005-07-21 Uros Bizjak <uros@kss-loka.si>
6626 * config/i386/i386.md (cmpxf): Change operand constraints
6627 to "nonmemory_operand".
6629 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6631 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
6633 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6636 * fold-const.c (fold_build1): Add checksum for the operands.
6637 (fold_build2): Likewise.
6638 (fold_build3): Likewise.
6640 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
6643 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
6645 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6647 * common.opt (-fforward-propagate): Committed by mistake,
6650 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6652 * reg-stack.c: Fix comment typo(s).
6653 * tree-ssa-operands.c: Likewise.
6654 * tree-vectorizer: Likewise.
6656 2005-07-21 Nick Clifton <nickc@redhat.com>
6658 * config/sh/symbian.c: Replace C++ style line comments with C
6659 style line comments.
6660 (symbian_add_attribute): Do not use a ? operator on the LHS of
6662 (sh_symbian_handle_dll_attribute): Change the type of the
6663 method vector to "VEC(tree,gc)*" and use vector accessor
6664 macros to walk over the elements.
6665 (symbian_export_vtable_and_rtti_p): Likewise.
6666 (symbian_class_needs_attribute_p): Likewise.
6668 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6671 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
6672 initialize targetm.resolve_overloaded_builtin here.
6673 (altivec_expand_overloaded_builtin): Make it non-static.
6674 * config/rs6000/rs6000-protos.h
6675 (altivec_expand_overloaded_builtin): New prototype.
6676 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
6677 targetm.resolve_overloaded_builtin here.
6678 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
6680 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
6681 Zdenek Dvorak <dvorakz@suse.cz>
6683 PR tree-optimization/19210
6684 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
6686 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
6687 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
6688 rely on unproven assumptions.
6689 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
6690 * tree-flow.h (number_of_iterations_exit): Add final parameter.
6691 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
6692 to number_of_iterations_exit.
6693 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
6694 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
6695 * tree-ssa-loop-niter.c (find_loop_niter,
6696 estimate_numbers_of_iterations_loop): Likewise.
6697 (number_of_iterations_exit): Honor the new options.
6698 * doc/invoke.texi (Wunsafe-loop-optimizations,
6699 funsafe-loop-optimizations): Document them.
6701 2005-07-21 Richard Sandiford <richard@codesourcery.com>
6703 PR rtl-optimization/22167
6704 * gcse.c (hoist_code): Fix hoist_exprs[] check.
6706 2005-07-20 Adam Nemet <anemet@lnxw.com>
6708 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
6709 __do_global_dtors_aux longcall.
6711 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
6713 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
6714 (old_special_pred_table): Don't reference
6715 SPECIAL_MODE_PREDICATES.
6716 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
6717 * config/arc/arc.h: Don't mention PREDICATE_CODES.
6718 * config/sh/predicates.h: Don't mention
6719 SPECIAL_MODE_PREDICATES.
6720 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
6723 2005-07-20 DJ Delorie <dj@redhat.com>
6725 * config.gcc: Add m32c-elf support.
6727 * doc/contrib.texi: Mention m32c.
6728 * doc/extend.texi: Document m32c extensions.
6729 * doc/install.texi: Mention m32c.
6730 * doc/invoke.texi: Document m32c options.
6731 * doc/md.texi: Document m32c constraints.
6733 * config/m32c/addsub.md: New file.
6734 * config/m32c/bitops.md: New file.
6735 * config/m32c/cond.md: New file.
6736 * config/m32c/jump.md: New file.
6737 * config/m32c/m32c-lib1.S: New file.
6738 * config/m32c/m32c-lib2.c: New file.
6739 * config/m32c/m32c-modes.def: New file.
6740 * config/m32c/m32c-pragma.c: New file.
6741 * config/m32c/m32c-protos.h: New file.
6742 * config/m32c/m32c.abi: New file.
6743 * config/m32c/m32c.c: New file.
6744 * config/m32c/m32c.h: New file.
6745 * config/m32c/m32c.md: New file.
6746 * config/m32c/m32c.opt: New file.
6747 * config/m32c/minmax.md: New file.
6748 * config/m32c/mov.md: New file.
6749 * config/m32c/muldiv.md: New file.
6750 * config/m32c/predicates.md: New file.
6751 * config/m32c/prologue.md: New file.
6752 * config/m32c/shift.md: New file.
6753 * config/m32c/t-m32c: New file.
6755 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6757 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
6758 (stack_protect_set, stack_protect_test): New expanders.
6759 (stack_protect_set_si, stack_protect_set_si_media,
6760 stack_protect_set_di_media, stack_protect_test_si,
6761 stack_protect_test_si_media, stack_protect_test_di_media):
6764 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
6766 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
6768 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
6770 * tree.h (tree_expr_nonzero_p): Export.
6771 * fold-const.c (tree_expr_nonzero_p): Likewise.
6772 Return true for CALL_EXPRs that are alloca calls.
6773 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
6775 * tree-flow.h (expr_computes_nonzero): Remove.
6776 * tree-vrp.c (expr_computes_nonzero): Remove.
6777 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
6778 (extract_range_from_unary_expr): Likewise.
6779 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
6780 tree_expr_nonzero_p.
6782 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
6784 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
6785 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
6786 extra arg "picreg" and use it instead of pic_offset_table_rtx.
6787 All callers changed.
6788 (frame_related_constant_load): New arg "related" which controls
6789 setting of RTX_FRAME_RELATED_P. All callers changed.
6790 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
6791 (bfin_expand_prologue): Add stack limit checking.
6792 * config/bfin/bfin.md (trapifcc): New pattern.
6794 * config/bfin/bfin.c: Include "langhooks.h".
6795 (def_builtin): Go through lang_hooks to call builtin_function.
6797 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
6798 * config/bfin/predicates.md (symbol_ref_operand): New.
6799 (call_insn_operand): Delete. All callers changed to use
6800 register_no_elim_operand.
6801 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
6803 (function_arg): Use it to generate the call's operand 2.
6804 (bfin_longcall_p): New function.
6805 (bfin_expand_call): Extra arg "cookie". All callers and declaration
6806 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
6807 determine if the address needs to be in a REG.
6808 (bfin_handle_longcall_attribute): New function.
6809 (bfin_attribute_table): Add "longcall" and "shortcall".
6810 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
6811 (CUMULATIVE_ARGS): New member call_cookie.
6812 (PREDICATE_CODES): Add symbol_ref_operand.
6813 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
6814 extra USE to the pattern.
6815 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
6816 New patterns, split off call_insn, sibcall_insn, call_value_insn and
6817 sibcall_value_insn; now the new patterns handle direct calls and the
6818 old ones indirect calls.
6819 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
6821 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
6823 * doc/trouble.texi: Update section on handling of empty loops.
6825 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
6827 * config.gcc: Remove support for sparc-*-openbsd*,
6828 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
6830 * config.host: Remove support for i860-*-sysv4* as a host.
6831 * config/i860/*, config/ip2k/*, config/ns32k/*,
6832 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
6833 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
6834 mention obsolete ports.
6836 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
6838 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
6840 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
6841 of frame_pointer_rtx.
6842 (sh_expand_epilogue): Likewise.
6843 (sh_set_return_address): Likewise.
6844 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
6845 instead of FRAME_POINTER_REGNUM if needed. Add elimination
6846 offsets from FRAME_POINTER_REGNUM.
6847 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
6848 (sh_register_names): Add initializer for sfp.
6849 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
6850 (VALID_REGISTER_P): Likewise.
6851 (FIRST_PSEUDO_REGISTER): Update.
6852 (DWARF_FRAME_REGISTERS): Define.
6853 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
6854 (HARD_FRAME_POINTER_REGNUM): Define.
6855 (FRAME_POINTER_REGNUM): Redefine.
6856 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
6857 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
6858 from FRAME_POINTER_REGNUM.
6859 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
6860 FRAME_POINTER_REGNUM.
6861 (REG_CLASS_CONTENTS): Add sfp.
6862 (REG_ALLOC_ORDER): Likewise.
6863 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
6864 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
6865 of frame_pointer_rtx.
6866 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
6868 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
6870 * fold-const.c (tree_expr_nonnegative_p): Only return true for
6871 ABS_EXPR when flag_wrapv is false because of INT_MIN.
6872 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
6874 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
6877 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
6879 Make CONSTRUCTOR use VEC to store initializers.
6880 * c-common.c (complete_array_type): Update to cope with VEC in
6882 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
6883 (pp_c_constructor_elts): New function.
6884 * c-pretty-print.h (pp_c_constructor_elts): Declare.
6885 * c-typeck.c (build_function_call, build_c_cast, digest_init,
6886 struct constructor_stack, struct initializer_stack,
6887 constructor_elements, push_init_level, pop_init_level,
6888 add_pending_init, find_init_member, output_init_element): Update to
6889 cope with VEC in CONSTRUCTOR_ELTS.
6890 * coverage.c (build_fn_info_value, build_ctr_info_value,
6891 build_gcov_info): Likewise.
6892 * expr.c (categorize_ctor_elements_1, store_constructor,
6893 expand_expr_real_1): Likewise.
6894 * fold-const.c (fold_ternary): Likewise.
6895 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
6896 gimplify_init_constructor, gimplify_expr): Likewise.
6897 * tree-dump.c (dequeue_and_dump): Likewise.
6898 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
6900 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
6902 * tree-sra.c (generate_element_init_1): Likewise.
6903 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
6904 * tree-ssa-operands.c (get_expr_operands): Likewise.
6905 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
6906 * tree-vect-transform.c (vect_get_vec_def_for_operand):
6907 (get_initial_def_for_reduction): Likewise.
6908 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
6909 value handle in annotations.
6910 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
6911 tree_node_structure): Add support for constr_kind.
6912 (build_vector_from_ctor, build_constructor_single,
6913 build_constructor_from_list): New functions.
6914 (build_constructor): Update to take a VEC instead of a TREE_LIST.
6915 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
6916 Update to cope with VEC in CONSTRUCTOR_ELTS.
6917 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
6918 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
6919 CONSTRUCTOR_APPEND_ELT): New macros.
6920 (struct constructor_elt, struct tree_constructor): New data types.
6921 (union tree_node): Add tree_constructor field.
6922 * treestruct.def: Define TS_CONSTRUCTOR.
6923 * varasm.c (const_hash_1, compare_constant, copy_constant,
6924 compute_reloc_for_constant, output_addressed_constants,
6925 initializer_constant_valid_p, output_constant,
6926 array_size_for_constructor, output_constructor): Update to cope with
6927 VEC in CONSTRUCTOR_ELTS.
6928 * vec.h (VEC_empty, VEC_copy): New macros.
6930 2005-07-19 Devang Patel <dpatel@apple.com>
6932 * dbxout.c (dbxout_type): Check Objective-C++ lang.
6934 2005-07-19 Richard Henderson <rth@redhat.com>
6937 * gimplify.c (gimplify_expr): Use main variant type for the temp
6938 destination for a discarded volatile read.
6939 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
6940 casts between non-void types that change volatility.
6942 2005-07-15 DJ Delorie <dj@redhat.com>
6944 * toplev.h: Add comment about the first parameter for warning().
6945 * errors.h: Likewise.
6947 * c.opt (Wpragmas): New.
6948 * doc/invoke.texi: Document it.
6950 * function.c (do_warn_unused_parameter): Add warning control to
6952 * c-decl.c (warn_if_shadowing): Likewise.
6953 * c-lex.c (cb_def_pragma): Likewise.
6954 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
6955 (pop_alignment): Likewise.
6956 (handle_pragma_pack): Likewise.
6957 (apply_pragma_weak): Likewise.
6958 (handle_pragma_weak): Likewise.
6959 (handle_pragma_redefine_extname): Likewise.
6960 (add_to_renaming_pragma_list): Likewise.
6961 (handle_pragma_extern_prefix): Likewise.
6962 (maybe_apply_renaming_pragma): Likewise.
6963 (handle_pragma_visibility): Likewise.
6965 * config/c4x/c4x-c.c (BAD): Likewise.
6966 (c4x_parse_pragma): Likewise.
6967 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
6968 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
6969 (rs6000_pragma_longcall): Likewise.
6970 * config/v850/v850-c.c (pop_data_area): Likewise.
6971 (ghs_pragma_section): Likewise.
6972 (ghs_pragma_section): Likewise.
6973 (ghs_pragma_interrupt): Likewise.
6974 (ghs_pragma_starttda): Likewise.
6975 (ghs_pragma_startsda): Likewise.
6976 (ghs_pragma_startzda): Likewise.
6977 (ghs_pragma_endtda): Likewise.
6978 (ghs_pragma_endsda): Likewise.
6979 (ghs_pragma_endzda): Likewise.
6981 2005-07-19 Danny Berlin <dberlin@dberlin.org>
6982 Kenneth Zadeck <zadeck@naturalbridge.com>
6984 * Makefile.in: Removed tree-promote-statics.c
6985 * tree-promote-statics.c: Removed.
6986 * common.opt: Removed flag-promote-statics.
6988 * passes.c: Removed tree-promote-statics pass.
6989 * tree-pass.h: Ditto.
6990 * timevar.def: Removed TV_PROMOTE_STATICS.
6993 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
6995 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
6997 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
6999 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7002 * c-common.c (check_function_arguments): Call
7003 'check_function_format' if either -Wformat or
7004 -Wmissing-format-attribute are specified.
7005 * c-format.c (check_function_format): Check -Wformat before
7006 calling 'check_format_info'.
7007 * c-opts.c (c_common_post_options): Don't warn for
7008 -Wmissing-format-attribute without -Wformat.
7009 * c-typeck.c (convert_for_assignment): Detect additional cases for
7010 -Wmissing-format-attribute.
7011 * doc/invoke.texi (-Wmissing-format-attribute): Document new
7014 2005-07-19 Richard Guenther <rguenther@suse.de>
7016 * config/i386/i386.md (lrint<mode>2): Use temporary
7017 instead of clobbering non-existent memory.
7019 2005-07-19 Nick Clifton <nickc@redhat.com>
7021 * config/avr/avr.c (legitimate_address_p): Fix debugging print
7022 statement to avoid displaying ASCII control characters.
7024 2005-07-19 Ben Elliston <bje@au.ibm.com>
7026 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
7027 * cfganal.c (find_edge_index): Ditto.
7028 * combine.c (combine_instructions): Ditto.
7029 * ddg.c (create_scc): Ditto.
7030 (find_successors): Ditto.
7031 (find_predecessors): Ditto.
7032 (find_nodes_on_paths): Ditto.
7033 (longest_simple_path): Ditto.
7034 * flow.c (update_life_info): Ditto.
7035 (count_or_remove_death_notes): Ditto.
7036 (clear_log_links): Ditto.
7037 * modulo-sched.c (generate_reg_moves): Ditto.
7038 (find_max_asap): Ditto.
7039 (find_max_hv_min_mob): Ditto.
7040 (find_max_dv_min_mob): Ditto.
7041 * sbitmap.c (sbitmap_first_set_bit): Ditto.
7042 * sched-rgn.c (extract_edgelst): Ditto.
7043 * tree-into-ssa.c (prepare_names_to_update): Ditto.
7044 (dump_update_ssa): Ditto.
7045 (ssa_names_to_replace) Ditto.
7046 (switch_virtuals_to_full_rewrite): Ditto.
7047 (update_ssa): Ditto.
7048 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
7050 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
7052 Fix PR tree-optimization/22483
7054 * tree-complex.c (create_components): Use
7055 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
7056 * tree-flow-inline.h (fill_referenced_var_vec): New function.
7057 * tree-flow.h (safe_referenced_var_iterator): New structure.
7058 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
7059 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
7060 safe_referenced_var iterator.
7061 (add_type_alias): Ditto.
7063 2005-07-19 Steven Bosscher <stevenb@suse.de>
7065 * loop-init.c (rest_of_handle_loop2): Remove.
7066 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
7067 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
7068 (pass_rtl_loop_init, pass_rtl_loop_done,
7069 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
7070 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
7071 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
7072 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
7073 pass_tree_loop_done, and pass_tree_unswitch.
7074 (gate_loop): Rename to gate_tree_loop.
7075 * passes.c (init_optimization_passes): Update for renamed tree
7076 loop passes. Add the new loop2 passes as subpasses of loop2.
7077 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
7078 Update for the renamed tree loop passes.
7080 2005-07-18 Ian Lance Taylor <ian@airs.com>
7083 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
7084 blocks when optimizing.
7086 2005-07-18 Steve Ellcey <sje@cup.hp.com>
7088 * common.opt (frename-registers): Initialize to 2.
7090 (fgcse-after-reload): Ditto.
7091 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
7092 (process_options): Only change flag_web, flag_rename_registers,
7093 and flag_rerun_cse_after_loop if not explicitly set by user.
7095 2005-07-18 Jan Beulich <jbeulich@novell.com>
7097 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
7098 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
7099 in 64-bit mode the same as DImode in 32-bit mode.
7100 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
7101 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
7102 mode. Add new mode parameter.
7103 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
7104 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
7105 x86_64_shift_adj): New expanders.
7106 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
7107 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
7109 Respective new splitters. Use renamed shift splitter helpers in 32-bit
7110 DImode shift splitters.
7111 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
7112 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
7115 2005-07-18 Jan Beulich <jbeulich@novell.com>
7117 * i386.md (movdi_extzv_1): New.
7118 (zero_extendhidi2): Combine alternatives and never force use of
7120 (zero_extendqidi2): Likewise. Don't restrict input selection.
7122 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7124 Fix PR tree-optimization/22531
7125 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
7128 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7130 * tree-promote-statics.c (pass_promote_statics): Change dump file
7133 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
7135 * tree-optimize.c (init_tree_optimization_passes): Add
7136 pass_eliminate_useless_stores pass.
7137 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
7138 * tree-ssa-pre.c (is_copy_stmt): New function.
7139 (follow_copies_till_vuse): Ditto.
7140 (do_eustores): Ditto.
7141 (gate_eustores): Ditto.
7143 2005-07-16 Richard Henderson <rth@redhat.com>
7145 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
7147 2005-07-16 Danny Berlin <dberlin@dberlin.org>
7148 Kenneth Zadeck <zadeck@naturalbridge.com>
7150 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
7151 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
7152 ipa-type-escape.h, tree-promote-statics.c
7153 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
7154 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
7155 tree-promote-statics.c: new files.
7156 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
7157 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
7158 int nonlocal_set_p, mark_constant_function): Deleted.
7159 (rest_of_handle_cfg): Removed call to mark_constant_function.
7160 (nonoverlapping_component_refs_p): Added calls to support
7161 type based aliasing.
7162 * tree-ssa-alias.c (may_alias_p,
7163 compute_flow_insensitive_aliasing): Ditto.
7164 * calls.c (flags_from_decl_or_type): Removed reference to
7166 * c-typeck.c (convert_arguments): Make builtins tolerant of having
7167 too many arguments. This is necessary for Spec 2000.
7168 * cgraph.h (const_function, pure_function): Removed.
7169 * common.opt: Added "fipa-pure-const", "fipa-reference",
7170 "fipa-type-escape", and "ftree-promote-static".
7172 * passes.c: Added ipa and tree-promote-statics passes.
7173 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
7174 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
7175 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
7176 * tree-flow.h: Added exposed sra calls and addition of
7177 reference_vars_info field for FUNCTION_DECLS.
7178 * tree-pass.h: Added passes.
7179 * tree-sra.c: (sra_init_cache): New function.
7180 (sra_insert_before, sra_insert_after) Made public.
7181 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
7183 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
7184 aliasing. (may_alias_p): Added code to use type escape analysis to
7186 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
7187 code to prune clobbers of static variables based on information
7188 produced in ipa-reference pass. Changed call clobbering so that
7189 statics are not marked as clobbered if the call does not clobber
7192 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
7194 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
7197 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7199 * doc/install.texi (*-*-solaris2*): Document recommended version
7200 of GNU binutils and mention GNU linker problem on Solaris 10.
7202 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
7205 * c-decl.c (c_build_bitfield_integer_type): New function.
7206 (finish_struct): Call it.
7207 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
7209 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7211 * c-typeck.c (digest_init): Call 'convert_for_assignment'
7214 2005-07-16 Jan Hubicka <jh@suse.cz>
7216 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
7217 (scale_bbs_frequencies_int): Watch roundoff errors.
7218 * predict.c (return_prediction): Initialize return_stmt.
7220 2005-07-16 Jan Hubicka <jh@suse.cz>
7222 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
7223 after RTL profiling.
7225 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
7228 * fold-const.c (build_range_check): Convert high/low to etype
7229 if we are only comparing against exp.
7231 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
7233 Fix PR tree-optimization/22376
7234 * tree-ssa-structalias.c (build_constraint_graph): We really meant
7236 (need_to_solve): New function.
7237 (compute_points_to_sets): Use it.
7239 2005-07-15 Jan Hubicka <jh@suse.cz>
7241 * cfg.c (update_bb_profile_for_threading): More diagnostic.
7242 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
7244 2005-07-15 Richard Guenther <rguenther@suse.de>
7246 * c-common.c (handle_flatten_attribute): New function.
7247 Add flatten function attribute.
7248 * doc/extend.texi: Document flatten function attribute.
7249 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
7250 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
7252 (cgraph_decide_inlining): Handle functions with flatten
7255 2005-07-14 David Edelsohn <edelsohn@gnu.org>
7257 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
7258 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
7259 UNSPEC_XCHG, UNSPEC_AND): New.
7260 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
7261 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
7262 * config/rs6000/sync.md (FETCHOP): New code macro.
7263 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
7265 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
7266 (sync_compare_and_swap<mode>): Same.
7267 (sync_lock_test_and_set<mode>): Same.
7268 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
7269 for QImode and HImode, and not PPC405.
7270 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
7271 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
7272 (sync_<fetchop>{si,di}_internal): New.
7273 (sync_nand{si,di}_internal): New.
7274 (sync_old_<fetchop>{si,di}_internal): New.
7275 (sync_old_nand{si,di}_internal): New
7276 (sync_new_<fetchop>{si,di}_internal): New.
7277 (sync_new_nand{si,di}_internal): New.
7278 (atomic_and{si,di}): New.
7279 (sync_new_nand{si,di}_internal): New.
7280 (atomic_and{si,di}): New.
7281 (sync_add<mode>_internal): Delete.
7282 (sync_addshort_internal): Use unspec instead of unspec_volatile.
7283 (sync_sub<mode>_internal): Delte.
7284 (sync_subshort_internal): New.
7285 (sync_andsi_internal): Use unspec instead of unspec_volatile.
7286 (sync_anddi_internal): Delete.
7287 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
7288 (sync_booldi_internal): Delete.
7289 (sync_boolc<mode>_internal): Delete.
7290 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
7291 (sync_boolc<mode>_internal2): Delete.
7292 (sync_boolcc<mode>_internal): Delete.
7293 (isync, lwsync): Use unspec instead of unspec_volatile.
7294 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
7295 Revert UNSPEC_VOLATILE.
7296 (rs6000_split_atomic_op): New.
7297 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
7299 2005-07-14 Eric Christopher <echristo@redhat.com>
7301 * config/mips/mips.c (mips_canonicalize_comparison): Cast
7302 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
7304 2005-07-14 Eric Christopher <echristo@redhat.com>
7306 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
7308 2005-07-14 Steven Bosscher <stevenb@suse.de>
7310 PR tree-optimization/22230
7311 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
7312 the computation of the four cross productions for "range op range".
7314 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
7315 Ulrich Weigand <uweigand@de.ibm.com>
7318 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
7321 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7323 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
7325 2005-07-14 Steve Ellcey <sje@cup.hp.com>
7327 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
7329 2005-07-14 Richard Guenther <rguenther@suse.de>
7332 * config/i386/i386-protos.h (ix86_function_value): Change
7333 prototype to match new target hook.
7334 * config/i386/i386.c (ix86_value_regno): Change prototype
7335 to take extra type argument.
7336 (TARGET_FUNCTION_VALUE): Define.
7337 (ix86_function_ok_for_sibcall): Pass extra argument to
7338 ix86_value_regno, check return slot rtx for exact match.
7339 (ix86_function_value): Take extra parameter. Dispatch to
7340 ix86_value_regno with fndecl/fntype as provided.
7341 (ix86_value_regno): Handle extra type argument.
7342 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
7344 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
7345 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
7346 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
7347 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
7348 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
7350 2005-07-14 Richard Guenther <rguenther@suse.de>
7352 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
7353 * calls.c (expand_call): Pass fntype to hard_function_value.
7354 (emit_library_call_value_1): Likewise.
7355 * explow.c: Include target.h.
7356 (hard_function_value): Take extra argument, the fntype.
7357 Use new target hook for function_value.
7358 * expr.h (hard_function_value): Change prototype.
7359 * function.c (aggregate_value_p): Pass 0 as fntype to
7360 hard_function_value.
7361 (assign_parms): Use new target hook for function_value.
7362 Pass 0 as fntype to hard_function_value.
7363 (expand_function_end): Likewise.
7364 * reg-stack.c: Include target.h.
7365 (stack_result): Use new target hook for function_value.
7366 * target-def.h: New target hook function_value.
7367 * target.h: Likewise.
7368 * targhooks.c (default_function_value): New function.
7369 * targhooks.h (default_function_value): Declare.
7371 2005-07-13 Ian Lance Taylor <ian@airs.com>
7373 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
7375 2005-07-14 Jan Hubicka <jh@suse.cz>
7377 * tree-dfa.c (dump_variable): Use default_def function.
7378 * tree-ssa-alias.c (dump_points_to_info): Likewise.
7379 * tree-ssa.c (verify_use): Likewise.
7380 * tree-ssanames.c (release_ssa_name): Likewise.
7381 * tree-tailcall.c (eliminate_tail_call): Likewise.
7382 (tree_optimize_tail_calls_1): Likewise.
7383 * tree-vrp.c (get_value_range): Likewise.
7385 2005-07-14 Ben Elliston <bje@au.ibm.com>
7387 * gcc.c (main): Compare language[0] with '*' when iterating over
7390 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7392 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
7393 "s390_emit_compare". Add handling of CCZ1mode.
7394 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
7395 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
7397 (s390_branch_condition_mask): Add CCZ1mode handling.
7398 * config/s390/s390.md: ("seq", "*seq"): New pattern.
7399 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
7400 Use CCZ1mode instead of CCZmode.
7401 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
7403 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
7405 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
7407 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
7409 2005-07-13 Eric Christopher <echristo@redhat.com>
7411 * config/mips/mips.c (mips_canonicalize_comparison): New.
7412 (mips_emit_int_relational): Use.
7414 2005-07-13 Eric Christopher <echristo@redhat.com>
7416 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7418 * config/s390/s390.md: Include tpf.md. Move tpf specific
7420 * config/s390/tpf.md: To here.
7421 * config/s390/s390.opt: Move tpf specific options...
7422 * config/s390/tpf.opt: to here. Add mmain option.
7423 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7424 * config/s390/tpf.h: Rewrite.
7426 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7428 * doc/tm.texi: Remove @xref{Cross-profiling}.
7430 2005-07-13 Jeff Law <law@redhat.com>
7432 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
7433 expressions, test their _DECL operands for pointer equality rather
7434 than using operand_equal_p.
7436 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
7438 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
7439 (TARGET_POSIX_IO): This.
7440 * config/darwin.h: Likewise.
7441 * config/freebsd.h: Likewise.
7442 * config/linux.h: Likewise.
7443 * config/lynx.h: Likewise.
7444 * config/netbsd.h: Likewise.
7445 * config/rs6000/linux64.h: Likewise.
7446 * config/rs6000/linux.h: Likewise.
7447 * config/s390/tpf.h: Likewise.
7448 * config/sh/embed-elf.h: Likewise.
7449 * config/sparc/linux64.h: Likewise.
7450 * config/sparc/linux.h: Likewise.
7451 * config/svr4.h: Likewise.
7452 * gcov-io.h: Likewise.
7454 * doc/tm.texi: Updated.
7456 * libgcov.c (create_file_directory): Defined only if
7457 TARGET_POSIX_IO is defined.
7458 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
7461 2005-07-13 Jan Hubicka <jh@suse.cz>
7463 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
7465 2005-07-13 David Edelsohn <edelsohn@gnu.org>
7467 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
7468 structure as argument.
7470 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
7472 PR tree-optimization/21921
7473 * tree-iterator.c (tsi_link_before): Support the case when
7474 tsi_end_p (tsi) == true.
7476 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7478 PR tree-optimization/22442
7479 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
7482 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7484 PR rtl-optimization/20376
7485 * toplev.c (process_options): Enable -fweb and -frename-registers when
7487 * doc/invoke.texi: Update the information about when -fweb and
7488 -frename-registers are enabled.
7490 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7493 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
7494 if *rhs_p is not a SSA_NAME.
7496 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
7498 Fix PR tree-optimization/22422
7499 * tree-ssa-structalias.c (struct variable_info): Add flag for
7501 (get_varinfo): Now a static function.
7502 (new_varinfo): init has_union and is_special_var to false.
7503 (solution_set_add): Check has_union.
7504 (do_da_constraint): Move temporary variable so it gets reset
7506 Also check for special variable.
7507 (do_ds_constraint): Ditto.
7508 (do_sd_constraint): Ditto.
7509 (do_structure_copy): Check for special variable.
7510 (find_func_aliases): Ditto.
7511 (init_base_vars): Set special vars properly.
7513 2005-07-13 Jan Hubicka <jh@suse.cz>
7515 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
7518 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
7519 (get_expr_operands): Fix thinko wrt flags and subvars.
7521 PR tree-optimize/22379
7522 * tree-inline.c (expand_call_inline): Do not output sorry in early
7525 2005-07-12 Dale Johannesen <dalej@apple.com>
7527 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
7529 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7532 * host-linux.h: Include limits.h.
7534 2005-07-12 Dale Johannesen <dalej@apple.com>
7536 * expr.c (compress_float_constant): Add cost check.
7537 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
7539 2005-07-12 Dale Johannesen <dalej@apple.com>
7541 * gcc.target/i386/compress-float-sse.c: New.
7542 * gcc.target/i386/compress-float-sse-pic.c: New.
7543 * gcc.target/i386/compress-float-387.c: New.
7544 * gcc.target/i386/compress-float-387-pic.c: New.
7545 * gcc.dg/compress-float-ppc.c: New.
7546 * gcc.dg/compress-float-ppc-pic.c: New.
7548 2005-07-12 Eric Christopher <echristo@redhat.com>
7550 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
7552 * config/s390/s390.md: Include tpf.md. Move tpf specific
7554 * config/s390/tpf.md: To here.
7555 * config/s390/s390.opt: Move tpf specific options...
7556 * config/s390/tpf.opt: to here. Add mmain option.
7557 * config/s390/tpf-unwind.h: Remove unnecessary defines.
7558 * config/s390/tpf.h: Rewrite.
7560 2005-07-12 Eric Christopher <echristo@redhat.com>
7562 * gcc.c (struct infile): Update comment for language.
7563 (main): Rewrite input file resetting code.
7565 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
7568 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
7569 requiring a cast in a non RHS of modify_expr. Add a cast when required.
7570 (lookup_avail_expr): Use constant_boolean_node instead
7571 of boolean_false_node/boolean_true_node.
7573 2005-07-12 Ben Elliston <bje@au.ibm.com>
7575 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
7576 and use it when printing num_edges.
7578 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
7580 * doc/extend.texi (Blackfin Built-in Functions): New section.
7581 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
7584 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
7586 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
7587 s/cmpstrsi/cmpstrnsi
7588 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
7590 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
7591 (init_optabs): Initialize cmpstrn_optab.
7592 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
7593 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
7594 * expr.c: (enum insn_code cmpstrn_optab): Declare.
7595 * config/i386/i386.md: s/cmpstr/cmpstrn
7596 * config/c4x/c4x.md: s/cmpstr/cmpstrn
7597 * doc/md.texi: Update documentation.
7599 2005-07-11 Richard Henderson <rth@redhat.com>
7601 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
7602 build_va_arg_indirect_ref.
7603 (alpha_gimplify_va_arg): Likewise.
7604 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
7605 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
7606 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
7607 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
7608 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
7609 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
7611 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
7613 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
7615 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
7616 * passes.c (init_optimization_passes): Add pass_empty_loop.
7617 * tree-pass.h (pass_empty_loop): Declare.
7618 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
7619 try_remove_empty_loop, remove_empty_loops): New functions.
7620 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
7621 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
7623 2005-07-12 Peter Barada <peter@the-baradas.com>
7627 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
7628 in address registers.
7629 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
7630 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
7631 alternative of addsi3_5200.
7633 2005-07-11 Ian Lance Taylor <ian@airs.com>
7635 * config/mips/mips.md (ffs<mode>2): Remove.
7637 2005-07-11 Ian Lance Taylor <ian@airs.com>
7639 * doc/tree-ssa.texi (Cleanups): Improve description of
7641 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
7643 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7645 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
7646 * tree.h (DECL_ARGUMENT_FLD): New macro.
7648 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
7650 Fix PR tree-optimization/22404
7652 * tree-ssa-structalias.c (create_variable_info_for): Use
7655 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
7657 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
7658 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
7659 for second comparison operand.
7660 * config/bfin/predicates.md (reg_or_const_int_operand): New.
7662 * config/bfin/bfin.md (define_attr "type"): Add "sync".
7663 (define_insn_reservation "alu"): Likewise.
7664 (csync, ssync): Now of type sync.
7665 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
7666 -mcsync-anomaly -mspecld-anomaly.
7667 * config/bfin/bfin.opt (mcsync): Remove.
7668 (mcsync-anomaly, mspecld-anomaly): Add.
7669 * config/bfin/bfin.c: Include "insn-codes.h".
7670 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
7671 (TARGET_DEFAULT_TARGET_FLAGS): New.
7672 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
7674 2005-07-11 Steven Bosscher <stevenb@suse.de>
7676 * basic-block.h: Give the BB flags enum a name, bb_flags.
7677 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
7678 * cfgcleanup.c (enum bb_flags): Remove here.
7679 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
7680 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
7681 (update_forwarder_flag): Likewise.
7682 (thread_jump): Likewise.
7683 (try_forward_edges): Likewise.
7684 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
7685 forwarder flags. Don't clear bb->aux for all basic blocks. Only
7686 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
7688 2005-07-11 Richard Guenther <rguenther@suse.de>
7690 * config/i386/i386.opt: New target option -msseregparm.
7691 * config/i386/i386.c (override_options): Error out for
7692 -msseregparm but no SSE support.
7693 (ix86_function_sseregparm): Check for global sseregparm.
7694 * doc/invoke.texi: Document -msseregparm.
7696 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7698 * config.gcc (m32r-*-linux*): Use the default extra_parts.
7699 (m32rle-*-linux*): Ditto.
7701 2005-07-11 Jakub Jelinek <jakub@redhat.com>
7703 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
7704 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
7707 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7711 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
7712 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
7714 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
7716 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
7717 (varmap): Heapify varmap.
7718 (constraints): Heapify constraints.
7719 (struct constraint_graph): Heapify succs and preds.
7720 (constraint_vec_find): Update for heapification.
7721 (constraint_set_union): Ditto.
7722 (insert_into_complex): Ditto.
7723 (constraint_edge_vec_find): Ditto.
7724 (erase_graph_self_edge): Ditto.
7725 (add_graph_edge): Ditto.
7726 (get_graph_weights): Ditto.
7727 (merge_graph_nodes): Ditto.
7728 (build_constraint_graph): Ditto.
7729 (topo_visit): Ditto.
7730 (solve_graph): Ditto.
7731 (create_variable_info_for): Ditto.
7732 (init_base_vars): Ditto.
7733 (delete_points_to_sets): Free graph, varmap, and complex constraints.
7734 (condese_varmap_nodes): Free complex vector.
7735 (clear_edges_for_node): Clear succs and preds vector.
7737 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7739 * tree-ssa-structalias.c (update_alias_info): Change counting of
7740 references to not include vdefs.
7742 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
7744 * tree-ssa-alias.c (free_used_part_map): Add missing free.
7747 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7749 * pa.c (pa_commutative_p): Make PLUS commutative when
7750 TARGET_NO_SPACE_REGS is true.
7752 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7754 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
7755 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
7756 * tree-dfa.c (dump_subvars_for): New.
7757 (debug_subvars_for): New.
7758 (dump_variable): Show subvariables if VAR has them.
7759 * tree-flow-inline.h (get_subvar_at): New.
7760 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
7761 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
7763 (struct subvar): Change fields offset and size to unsigned
7765 (dump_subvars_for): Declare.
7766 (debug_subvars_for): Declare.
7767 (get_subvar_at): Declare.
7768 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
7769 to unsigned HOST_WIDE_INT *.
7770 (overlap_subvar): Likewise.
7771 * tree-gimple.c (is_gimple_reg): Always return false for
7772 SFTs and memory tags.
7773 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
7775 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
7776 (compute_may_aliases): Call compute_points_to_sets.
7777 (collect_points_to_info_for): Remove.
7778 (compute_points_to_and_addr_escape): Remove.
7779 (delete_alias_info): Call delete_points_to_sets.
7780 (compute_flow_sensitive_aliasing): If the call to
7781 find_what_p_points_to returns false, call set_pt_anything.
7782 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
7783 (set_pt_anything): Clear pi->pt_vars.
7784 (set_pt_malloc): Remove.
7785 (merge_pointed_to_info): Remove.
7786 (add_pointed_to_expr): Remove.
7787 (add_pointed_to_var): Remove.
7788 (collect_points_to_info_r): Remove.
7789 (is_escape_site): Make extern.
7791 (create_overlap_variables_for): Call it.
7792 * tree-ssa-copy.c (merge_alias_info): Never merge
7793 flow-sensitive alias information.
7794 * tree-ssa-operands.c (get_expr_operands): Adjust variables
7795 offset and size to be unsigned HOST_WIDE_INT.
7796 (add_to_addressable_set): Rename from note_addressable.
7797 Set TREE_ADDRESSABLE as the variables are added to the set.
7799 (add_stmt_operand): Do not try to micro-optimize unmodifiable
7800 operands into VUSEs when adding V_MAY_DEFs for members in an
7802 * tree-ssa-operands.h (add_to_addressable_set): Declare.
7803 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
7804 (struct variable_info): Add bitfield is_heap_var.
7805 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
7806 (new_var_info): Initialize is_heap_var.
7807 (get_constraint_for): Add HEAP variables to the symbol table.
7808 Mark them with is_heap_var.
7809 (update_alias_info): New. Taken mostly from the old
7810 compute_points_to_and_addr_escape.
7811 (handle_ptr_arith): New.
7812 (find_func_aliases): Call update_alias_info.
7813 Call handle_ptr_info for tcc_binary expressions.
7814 Call mark_stmt_modified.
7815 (create_variable_info_for): If DECL has subvars, do not create
7816 variables for its subvars. Always add all the fields.
7817 (set_uids_in_ptset): If the solution includes ANYOFFSET and
7818 SFTs, then add all the SFTs of the structure.
7819 If VI->DECL is an aggregate with subvariables, add the SFT at
7821 (find_what_p_points_to): If VI is an artificial variable,
7822 translate to bitfields in SSA_NAME_PTR_INFO.
7823 If the solution is empty, set pi->pt_vars to NULL
7824 (init_base_vars): Create ANYOFFSET.
7825 (compute_points_to_sets): Rename from create_alias_vars.
7827 (pass_build_pta): Remove.
7828 (delete_points_to_sets): Rename from delete_alias_vars.
7829 (pass_del_pta): Remove.
7830 * tree-ssa-structalias.h (struct alias_info): Move from
7832 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
7833 NUM_REFERENCES_SET): Likewise.
7834 (compute_points_to_sets, delete_points_to_sets): Declare.
7836 2005-07-09 Richard Henderson <rth@redhat.com>
7838 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
7839 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
7840 alpha_split_lock_test_and_set_12): New functions.
7841 * config/alpha/alpha-protos.h: Update.
7842 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
7843 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
7844 * config/alpha/sync.md (I12MODE): New.
7845 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
7846 (sync_<fetchop_name><I48MODE>): Likewise.
7847 (sync_nand<I48MODE>): Likewise.
7848 (sync_old_<fetchop_name><I48MODE>): Likewise.
7849 (sync_new_<fetchop_name><I48MODE>): Likewise.
7850 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
7851 (sync_compare_and_swap<I48MODE>): Likewise.
7852 (sync_lock_test_and_set<I48MODE>): Likewise.
7853 (sync_compare_and_swap<I12MODE>): New.
7854 (sync_compare_and_swap<I12MODE>_1): New.
7855 (sync_lock_test_and_set<I12MODE>): New.
7856 (sync_lock_test_and_set<I12MODE>_1): New.
7858 2005-07-09 Diego Novillo <dnovillo@redhat.com>
7862 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
7864 2005-07-09 Jakub Jelinek <jakub@redhat.com>
7866 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
7867 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
7869 2005-07-09 Richard SAndiford <richard@codesourcery.com>
7872 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
7874 2005-07-08 David Edelsohn <edelsohn@gnu.org>
7876 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
7877 memory_operand constraint.
7878 (store_conditional_<mode>): Same.
7879 (sync_compare_and_swap<mode>): Same.
7880 (sync_lock_test_and_set<mode>): Same.
7882 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
7884 Rewrite PIC support to more closely model actual instructions.
7885 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
7886 (cris_symbol): Remove prototypes for removed functions.
7887 (cris_pic_symbol_type_of, cris_valid_pic_const)
7888 (cris_expand_pic_call_address): Prototypes for new functions.
7889 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
7891 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
7893 <case ':'>: Add case for new punctuation character.
7894 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
7895 emitting (extra) PIC modifier.
7896 <case UNSPEC>: Do not assert for PLT.
7897 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
7898 (cris_expand_prologue, cris_expand_epilogue): Check
7899 for pic_offset_table_rtx usage instead of taking
7900 current_function_uses_pic_offset_table as the final word.
7901 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
7902 Remove flag_pic difference.
7903 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
7904 the moral equivalents of...
7905 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
7907 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
7908 (cris_handle_option): Mark ARG as unused.
7909 (cris_expand_pic_call_address): New worker function for "call",
7911 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
7912 output PIC constructs here.
7913 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
7914 as symbol-specific modifers, not whole or part of operands.
7915 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
7916 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
7917 constants and flag_pic.
7918 (CONSTANT_INDEX_P): Adjust for new functions.
7919 (enum cris_pic_symbol_type): New helper type.
7920 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
7921 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
7922 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
7924 ("movsi"): Emit actual instructions for GOT and relative access.
7925 ("*movsi_got_load"): New pattern to set up the register holding
7927 ("*movsi_internal"): Operand 1 is not a plain general_operand.
7928 Adjust FIXME for 'S'.
7929 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
7930 Use "movs" for -fpic cases.
7931 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
7932 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
7933 ("call", "call_value"): Just call cris_expand_pic_call_address for
7935 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
7936 Remove special pattern.
7937 ("*expanded_call_side", "*expanded_call_value_side"): New
7939 (gotplt-to-plt, gotplt-to-plt-side-call)
7940 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
7942 * config/cris/cris/predicates.md
7943 ("cris_general_operand_or_gotless_symbol"): Remove unused
7945 ("cris_general_operand_or_symbol"): Adjust for new functions.
7947 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
7949 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
7951 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
7953 * Makefile.in (TREE_H): Add treestruct.def.
7954 (c-decl.o): Add pointer-set.h
7955 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
7956 visibility on regular DECL's.
7957 (merge_decls): Fix the copying of decl nodes of various types for
7958 the new structures. Don't update RTL, section name, weak status,
7959 etc, on DECL's without RTL.
7960 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
7961 Don't check volatile on non-variable types.
7962 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
7963 to check whether we have seen arguments.
7964 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
7965 flag is checked before field (flag is common, field is not).
7966 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
7967 TS_DECL_COMMON could have an origin.
7968 (add_location_or_const_value_attribute): Don't check section name
7969 on non-var/function decls.
7970 (dwarf2out_var_location): Reverse order of tests.
7971 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
7972 with DECL_WRTL_CHECK.
7973 * expmed.c (make_tree): rtl is now in decl_with_rtl.
7974 * fold-const.c (fold_binary): Don't check weakness on
7975 non-var/function decls.
7976 (tree_expr_nonzero_p): Ditto.
7977 (fold_checksum_tree): Use tree_decl_extra as sizeof
7979 * ggc-page.c (extra_order_size_table): Add sizes for
7980 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
7982 * gimplify.c (gimplify_bind_expr): Only set
7983 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
7984 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
7986 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
7987 * langhooks.h (init_ts). New langhook.
7988 * passes.c (rest_of_decl_compilation): Reverse order of tests.
7989 * print-tree.c (print_node): Update to only print fields that
7990 exist in the structures the passed decl has.
7991 * toplev.c (wrapup_global_declarations): Don't reset
7992 DECL_DEFER_OUTPUT on DECL's that don't contain it.
7993 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
7994 * tree-inline.c (remap_decl): Ditto.
7995 * tree-outof-ssa.c (create_temp): Reverse order of tests.
7996 * tree-pretty-print.c (print_declaration): Don't print
7997 DECL_REGISTER on things that don't contain it.
7998 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
7999 non-var/function decls.
8000 * tree.c (tree_contains_struct): New structure.
8001 (init_priority_for_decl): New hashtable.
8002 (tree_int_map): New structure.
8003 (tree_int_map_eq): New function.
8004 (tree_int_map_marked_p): Ditto.
8005 (tree_int_map_hash): Ditto.
8006 (tree_map): Move to tree.h.
8007 (tree_map_eq): Externalize.
8008 (tree_map_hash): Ditto.
8009 (tree_map_marked_p): Ditto.
8010 (init_ttree): Set up tree_contains_struct and call langhook.
8011 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
8012 (tree_code_size): Update for new structures.
8013 (tree_node_structure): Update for new structures.
8014 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
8016 (copy_node_stat): Copy init priority.
8017 (build_decl_stat): Ditto for visibility.
8018 (ts_enum_names): New.
8019 (tree_contains_struct_check_failed): New function.
8020 (decl_init_priority_lookup): Ditto.
8021 (decl_init_priority_insert): Ditto.
8022 * treestruct.def: New file.
8023 * tree.h (CODE_CONTAINS_STRUCT): New macro.
8024 (CONTAINS_STRUCT_CHECK): Ditto.
8025 (tree_contains_struct_check_failed): New prototype.
8026 (DECL_CHECK): Removed.
8027 (DECL_MINIMAL_CHECK): New.
8028 (DECL_COMMON_CHECK): Ditto.
8029 (DECL_WRTL_CHECK): Ditto.
8030 (DECL_NON_COMMON_CHECK): Ditto.
8031 (DECL_WITH_VIS_CHECK): Ditto.
8032 (VAR_OR_FUNCTION_DECL_P): Ditto
8033 (struct tree_decl_minimal): New structure.
8034 (struct tree_decl_common): Ditto.
8035 (struct tree_decl_with_rtl): Ditto.
8036 (struct tree_decl_with_vis): Ditto.
8037 (struct tree_decl_non_common): Ditto.
8038 (struct tree_field_decl): Ditto.
8039 (struct tree_parm_decl): Ditto.
8040 (struct tree_var_decl): Ditto.
8041 (struct tree_function_decl): Ditto.
8042 (struct tree_const_decl): Ditto.
8043 (struct tree_result_decl): Ditto.
8044 (union tree_node): Add new structures.
8045 * var-tracking.c (track_expr_p): Reverse order of tests.
8047 * doc/c-tree.texi: Add documentation on DECL node internal structure.
8049 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8051 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
8052 * system.h: Poison FINALIZE_PIC.
8053 * doc/tm.texi (FINALIZE_PIC): Remove.
8055 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8058 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
8059 to the correct type if we have a MODIFY_EXPR.
8061 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
8063 PR tree-optimization/22360
8064 * tree.c (upper_bound_in_type): Fix calculations for casting
8065 to a non-wider signed type and casting a signed value to a
8066 wider unsigned type.
8067 (lower_bound_in_type): Fix calculations for casting to a
8068 non-wider signed type.
8070 PR tree-optimization/20139
8071 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
8073 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
8074 fold_cond_expr_cond.
8075 * tree-ssanames.c (release_defs): Assert in_ssa_p.
8076 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
8078 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
8081 * tree-complex.c (expand_complex_libcall): Produce
8082 REALPART_EXPR/IMAGPART_EXPR with the correct type.
8084 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
8086 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
8087 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
8088 b" assert and inserted fastpath code for this case.
8089 (bitmap_ior): Removed "a != b" assert.
8091 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8093 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
8094 (ENDFILE_SPEC): Likewise.
8095 * config/m32r/m32r.h (ASM_SPEC): Likewise.
8097 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
8098 a large stack frame at epilogue.
8100 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
8102 * final.c: Include sdbout.h when required.
8104 2005-07-07 Geoffrey Keating <geoffk@apple.com>
8106 * config.gcc (*-*-darwin*): Only one target-specific header file
8108 (powerpc-*-darwin*): Add version-specific header files.
8109 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
8110 * config.in: Regenerate.
8111 * configure: Regenerate.
8112 * gcc.c: Include xregex.h.
8113 (version_compare_spec_function): New.
8114 (spec_function): Add version-compare.
8115 (replace_outfile_spec_function): Reformat comment.
8116 (compare_version_strings): New.
8117 * config/darwin-c.c (version_as_macro): New.
8118 (builtin_define): New.
8119 (darwin_cpp_builtins): New.
8120 * config/darwin-protos.h (darwin_cpp_builtins): New.
8121 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
8122 (LIB_SPEC): Make unconditional, update comment.
8123 (TARGET_C99_FUNCTIONS): Define.
8124 * config/darwin.opt: Sort.
8125 (mmacosx-version-min=): New.
8126 * config/darwin7.h: Delete.
8127 * config/darwin8.h: Delete.
8128 * config/i386/darwin.h (): Call darwin_cpp_builtins.
8129 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
8130 (TARGET_C99_FUNCTIONS): Define.
8131 * config/rs6000/darwin7.h: New.
8132 * config/rs6000/darwin8.h: New.
8133 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
8134 (-mmacosx-version-min): Document.
8136 2005-07-07 Ian Lance Taylor <ian@airs.com>
8138 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
8140 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
8143 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
8145 2005-07-07 Khem Raj <kraj@mvista.com>
8147 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
8148 in bytes, not words.
8150 2005-07-07 Paul Brook <paul@codesourcery.com>
8152 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
8153 DEFAULT_FUNCTION_ARG_PADDING to upward.
8155 2005-07-07 Richard Henderson <rth@redhat.com>
8157 * function.c (locate_and_pad_parm): Record parameter alignment in
8158 stack_alignment_needed.
8160 2005-07-07 David Edelsohn <edelsohn@gnu.org>
8162 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
8163 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
8164 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
8165 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
8166 (define_attr "type"): Add isync, sync, load_l, store_c.
8167 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
8168 Create scratch volatile MEM.
8169 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
8171 (load_locked_<mode>): New.
8172 (store_conditional_<mode>): New.
8173 (sync_compare_and_swap<mode>): Replace with splitter.
8174 (sync_lock_test_and_set<mode>): Replace with splitter.
8175 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
8177 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
8178 is ics. Attribute isync.
8179 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
8181 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
8182 and UNSPECV_SYNC_OP.
8183 (emit_unlikely_jump): New.
8184 (emit_load_locked): New.
8185 (emit_store_conditional): New.
8186 (rs6000_split_compare_and_swap): New.
8187 (rs6000_split_lock_test_and_set): New.
8188 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
8189 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
8190 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
8191 rs6000_split_lock_test_and_set): Declare.
8192 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
8193 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
8194 store_c, isync, sync.
8196 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
8198 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
8199 filenames to gtyp-gen.h.
8200 (s-typ-gen): Use it in place of for loops.
8202 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
8204 * hooks.c (hook_bool_rtx_int_false): New function.
8205 * hooks.h (hook_bool_rtx_int_false): Declare.
8206 * target-def.h (TARGET_COMMUTATIVE_P): Define.
8207 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
8208 * target.h (struct gcc_target): Add commutative_p member.
8209 * targhooks.c (hook_bool_rtx_commutative_p): New function.
8210 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
8211 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
8212 (pa_commutative_p): New function.
8213 * jump.c (target.h): Include.
8214 (rtx_renumbered_equal_p): Use targetm.commutative_p.
8215 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
8217 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8219 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
8220 (s390_expand_setmem): New.
8221 * config/s390/s390.c: Likewise.
8222 (print_shift_count_operand): Truncate to 12 bits instead of 6.
8224 * config/s390/s390.md: ("setmem<mode>"): Accept character as
8225 general_operand. Call new function "s390_expand_setmem".
8226 ("clrmem_long", "*clrmem_long"): Rewrite to ...
8227 ("setmem_long", "*setmem_long"): ... this.
8229 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8231 * config/s390/s390.c: (optimization_options): Enable
8232 TARGET_MVCLE at -Os.
8233 * doc/invoke.texi: Document changes in default behaviour.
8234 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
8236 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
8238 * expr.c: (set_storage_via_setmem): Convert opchar to mode
8239 defined by back-end.
8241 2005-07-07 Jakub Jelinek <jakub@redhat.com>
8243 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
8244 all sets in the pattern.
8245 * config/rs6000/rs6000.md (stack_protect_testsi,
8246 stack_protect_testdi): Likewise.
8248 2005-07-06 Jeff Law <law@redhat.com>
8250 * tree-vrp.c (simplify_using_ranges): Kill.
8251 (vrp_finalize): Remove call to simplify_using_ranges.
8252 (simplify_stmt_using_ranges): New function extracted from
8253 simplify_using_ranges.
8254 (simplify_div_or_mod_using_ranges): Likewise.
8255 (simplify_abs_using_ranges): Likewise.
8256 (simplify_cond_using_ranges): New function.
8257 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
8258 * tree-ssa-propagate.c (substitute_and_fold): Call
8259 simplify_stmt_using_ranges if we have range information.
8261 2005-07-06 James E. Wilson <wilson@specifixinc.com>
8263 * config/ia64/ia64.c (ia64_reorg): Check optimize before
8264 ia64_flag_schedule_isns2.
8266 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
8267 reading/writing general registers.
8268 (ia64_function_arg): Revert 2005-06-18 change.
8270 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
8272 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
8273 (legitimize_tls_address): Use gcc_unreachable instead of abort.
8275 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
8277 * function.c (expand_function_end): Revert part of 2005-06-27
8278 patch. Do sjlj_emit_function_exit_after after return_label.
8280 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8282 * doc/install.texi (--disable-libssp): New.
8284 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
8286 * doc/invoke.texi: Update -fforce-mem documentation.
8287 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
8288 code for -fforce-mem.
8289 * expmed.c: (store_bit_field,store_fixed_bit_field,
8290 extract_bit_field): Ditto.
8291 * expr.c: (convert_move): Ditto.
8292 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
8293 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
8294 emit_conditional_add,expand_float,expand_fix): Ditto.
8295 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
8296 (common_handle_option): Issue warning when -fforce-mem specified.
8298 2005-07-06 Paul Brook <paul@codesourcery.com>
8300 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
8302 * configure: Regenerate.
8304 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
8306 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
8308 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
8310 Fix PR tree-optimization/22319
8311 Fix PR tree-optimization/22140
8312 Fix PR tree-optimization/22310
8314 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
8315 variable sized types.
8316 Use correct type for intermediate structure on *a = *b structure
8319 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8321 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
8323 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
8324 (machine_function): Move typedef to...
8325 * config/rs6000/rs6000.c (machine_function): ... here. Add
8326 varargs_save_offset field.
8327 (rs6000_stack_t): Remove varargs_size field.
8328 (setup_incoming_varargs): Allocate varargs save area using
8329 assign_stack_local, try to make it as small as possible.
8330 Save offset from virtual_stack_vars_rtx to the save area
8331 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
8332 instead of magic 8 when fp word byte size is used.
8333 (rs6000_va_start): Use cfun->machine->varargs_save_offset
8334 instead of -RS6000_VARARGS_SIZE.
8335 (rs6000_stack_info, debug_stack_info,
8336 rs6000_initial_elimination_offset): Remove all traces of
8338 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
8339 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
8340 RS6000_VARARGS_AREA.
8342 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
8344 PR tree-optimization/21963
8345 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
8346 constant_multiple_of in the same way get_computation_cost_at does.
8348 2005-07-06 Jakub Jelinek <jakub@redhat.com>
8350 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
8351 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
8352 (gen_compare_reg): If sparc_compare_emitted is set, clear it
8353 and return its previous value.
8354 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
8355 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
8357 (stack_protect_set, stack_protect_test): New expanders.
8358 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
8359 stack_protect_testdi): New insns.
8360 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8361 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
8363 2005-07-06 Jeff Law <law@redhat.com>
8365 * tree-ssa-dce.c (cfg_altered): New global.
8366 (tree_dce_init): Initialize cfg_altered.
8367 (remove_dead_stmt): If we remove an edge in the CFG, then set
8369 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
8372 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
8374 * Makefile.in (stamp-collect-ld): Use
8375 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
8376 ./collect-ld if it already exists.
8377 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
8378 Don't remove ./nm if it already exists.
8380 2005-07-05 Devang Patel <dpatel@apple.com>
8382 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
8383 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
8384 * tree-vectorizer.c (vect_loop_location): New.
8385 (vect_print_dump_info): Use vect_loop_location.
8386 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
8387 (vectorize_loops): Set vect_loop_location.
8388 * tree-vect-analyze.c (vect_analyze_offset_expr,
8389 vect_determin_vectorization_factor, vect_analyze_operations,
8390 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
8391 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
8392 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
8393 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
8394 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
8395 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
8396 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
8397 vect_analyze_loop): Adjust vect_print_dump_info API.
8398 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8399 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
8400 vect_finish_stmt_generation, vectorizable_assignment,
8401 vectorizable_operation, vectorizable_store, vectorizable_load,
8402 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
8403 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
8404 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
8405 vect_transform_loop): Same.
8406 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
8407 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
8410 2005-07-05 Randolph Chung <tausq@debian.org>
8412 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
8413 * configure: Regenerate.
8414 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
8415 (pa_tls_referenced_p): Declare.
8416 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
8417 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
8418 (legitimize_tls_address): New.
8419 (hppa_legitimize_address): Handle TLS addresses.
8420 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
8421 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8422 (emit_move_sequence): Handle TLS addresses.
8423 (pa_encode_section_info): Call default handler to handle common
8425 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
8426 (CONSTANT_ADDRESS_P): Reject TLS operands.
8427 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
8428 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
8429 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
8430 (UNSPEC_TLSLE): Define new constants.
8431 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
8432 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
8433 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
8434 (tie_symbolic_operand, tle_symbolic_operand): New
8436 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
8438 * aclocal.m4: Update macros for autoconf 2.59 style.
8439 * configure.ac: Likewise.
8441 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8443 * pa.c (function_value): Handle small aggregates on 32-bit targets.
8444 (function_arg): Pass small aggregates in general registers on 32-bit
8446 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
8448 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
8450 * Makefile.in (final.o): Fix dependencies.
8452 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8456 * langhooks.h (struct lang_hooks): Add expr_to_decl.
8457 * langhooks.c (lhd_expr_to_decl): New.
8458 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
8460 (LANG_HOOKS_INITIALIZER): Update.
8461 * tree.c (recompute_tree_invarant_for_addr_expr): Call
8462 expr_to_decl langhook.
8463 * c-tree.h (c_expr_to_decl): Declare.
8464 * c-typeck.c (c_expr_to_decl): New.
8465 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
8467 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
8469 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
8472 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
8473 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
8475 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
8477 * Makefile.in: Adjust dependencies.
8478 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
8479 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
8480 * alias.c (rest_of_handle_cfg, pass_cfg): New.
8481 * bb-reorder.c (duplicate_computed_gotos): Make it static.
8482 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
8483 rest_of_compilation.
8485 * bb-reorder.c (gate_duplicate_computed_gotos,
8486 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
8487 rest_of_handle_reorder_blocks, pass_reorder_blocks,
8488 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
8489 pass_partition_blocks): New.
8490 * bt-load.c (gate_handle_branch_target_load_optimize,
8491 rest_of_handle_branch_target_load_optimize,
8492 pass_branch_target_load_optimize): New.
8493 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
8495 * cfglayout.c (pass_insn_locators_initialize): New.
8496 * cfgrtl.c (pass_free_cfg): New.
8497 * combine.c (gate_handle_combine, rest_of_handle_combine,
8499 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
8500 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
8501 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
8502 * except.c (pass_set_nothrow_function_flags,
8503 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
8505 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
8506 rest_of_handle_shorten_branches, pass_shorten_branches,
8507 rest_of_clean_state, pass_clean_state): New.
8508 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
8509 rest_of_handle_remove_death_notes, pass_remove_death_notes,
8510 rest_of_handle_life, pass_life, rest_of_handle_flow2,
8512 * function.c (pass_instantiate_virtual_regs, pass_init_function,
8513 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
8514 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
8515 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
8517 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
8518 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
8519 pass_rtl_ifcvt, gate_handle_if_after_combine,
8520 rest_of_handle_if_after_combine, pass_if_after_combine,
8521 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
8522 pass_if_after_reload): New.
8523 * integrate.c (pass_initial_value_sets): New.
8524 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
8525 pass_purge_lineno_notes): New.
8526 * mode-switching.c (rest_of_handle_mode_switching,
8527 pass_mode_switching): New.
8528 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
8529 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
8531 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
8532 pass_loop_optimize): New.
8533 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
8535 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
8537 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
8538 pass_postreload_cse): New.
8539 * profile.c (gate_handle_profiling, pass_profiling,
8540 rest_of_handle_branch_prob, pass_branch_prob): New.
8541 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
8542 pass_split_before_regstack, gate_handle_split_before_regstack,
8543 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
8544 rest_of_handle_split_all_insns, pass_split_all_insns): New.
8545 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
8546 pass_stack_regs): New.
8547 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
8548 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
8549 pass_stack_adjustments): New.
8550 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
8551 pass_regrename): New.
8552 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
8553 pass_delay_slots, gate_handle_machine_reorg,
8554 rest_of_handle_machine_reorg, pass_machine_reorg): New.
8555 * rtl.h (extern void purge_line_number_notes): New.
8556 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
8557 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
8559 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
8561 * value-prof.c (gate_handle_value_profile_transformations,
8562 rest_of_handle_value_profile_transformations,
8563 pass_value_profile_transformations): New.
8564 * var-tracking.c (gate_handle_var_tracking,
8565 pass_variable_tracking): New.
8566 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
8568 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
8569 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
8570 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
8571 rest_of_handle_old_regalloc, rest_of_handle_regrename,
8572 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
8573 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
8574 rest_of_handle_gcse2, rest_of_handle_regmove,
8575 rest_of_handle_tracer, rest_of_handle_if_conversion,
8576 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
8577 rest_of_handle_web, rest_of_handle_branch_prob,
8578 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
8579 rest_of_handle_jump_bypass, rest_of_handle_combine,
8580 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
8581 rest_of_handle_gcse, rest_of_handle_loop_optimize,
8582 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
8583 rest_of_handle_mode_switching, rest_of_handle_jump,
8584 rest_of_handle_eh, rest_of_handle_stack_adjustments,
8585 rest_of_handle_flow2, rest_of_handle_jump2,
8586 rest_of_handle_peephole2, rest_of_handle_postreload,
8587 rest_of_handle_shorten_branches, rest_of_clean_state,
8588 rest_of_compilation): Remove.
8590 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
8591 * passes.c (dump_flags, in_gimple_form, all_passes,
8592 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8593 register_dump_files, next_pass_1, last_verified, execute_todo,
8594 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
8595 from tree-optimize.c.
8596 (init_optimization_passes): Moved from tree-optimize.c,
8597 adding the RTL optimizations.
8598 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
8599 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
8600 all_ipa_passes, all_lowering_passes, register_one_dump_file,
8601 register_dump_files, next_pass_1, last_verified, execute_todo,
8602 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
8603 init_tree_optimization_passes, ipa_passes): Delete.
8604 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
8606 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
8607 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
8609 (ipa_passes): Remove.
8610 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
8611 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
8612 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
8613 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
8614 (dump_info_p, dump_flag): Moved to tree-dump.h.
8616 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
8618 * passes.c (finish_optimization_passes): Use dump_begin
8619 and dump_end, TDI_end.
8620 (gate_rest_of_compilation): New.
8621 (pass_rest_of_compilation): Use it.
8622 (gate_postreload, pass_postreload): New.
8623 * toplev.c (general_init): Rename init_tree_optimization_passes.
8624 * toplev.h (init_tree_optimization_passes): Rename to
8625 init_optimizations_passes.
8626 * tree-dump.c (dump_flag): Make static.
8627 (dump_files): Remove RTL dumps.
8628 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
8629 pass_cleanup_cfg, pass_free_cfg_annotations,
8630 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
8631 pass_init_datastructures, pass_fixup_cfg): Make non-static.
8632 * tree-pretty-print.c: Include tree-pass.h.
8633 * cgraph.c: Include tree-dump.h.
8635 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8637 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
8638 Only fall back to saying it points to readonly memory if
8641 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
8643 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
8644 * config/m32r/m32r.c (m32r_compute_frame_size,
8645 m32r_expand_prologue): Take current_function_profile into
8646 account whenever we reference
8647 current_function_uses_pic_offset_table.
8648 (m32r_finalize_pic): Remove.
8649 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
8651 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
8653 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
8654 instead of $<. Don't remove ./as if it already exists.
8656 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8659 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
8660 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
8661 for complex modes when generating code for PA 1.0.
8662 (VALID_FP_MODE_P): New macro.
8663 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8664 sets for all general and floating point modes. Align wide floating
8665 point modes to even register boundaries to comply with architectural
8667 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
8668 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
8669 (VALID_FP_MODE_P): New macro.
8670 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
8671 sets for all general and floating point modes. Align wide floating
8672 point modes to even register boundaries to comply with architectural
8675 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8677 * tree-dump.c (dump_files): Initialize dump number for .cgraph
8680 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8682 * tree-ssa-structalias.c: Don't include expr.h.
8684 2005-07-04 Diego Novillo <dnovillo@redhat.com>
8686 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
8689 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
8691 Fix PR tree-optimization/22279
8693 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
8696 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
8698 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
8700 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8702 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
8703 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
8704 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
8705 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
8706 config/stormy16/stormy16.c, config/v850/v850.c,
8707 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
8708 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
8709 Avoid "." or "\n" at end of diagnostics and capital letters at
8710 start of diagnostics.
8711 * combine.c, cse.c: Don't translate dump file output.
8712 * toplev.c (print_version): Only translate output if going to
8715 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8717 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
8718 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
8721 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8723 * pa.c (fix_range): Fix typo in comment.
8725 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
8727 * tree-vrp.c (extract_range_from_assert): Replace
8728 fold (build (...)) with fold_build2.
8730 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8732 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
8733 gcc_gfc_char_table, init_dynamic_gfc_info): New.
8734 (format_types_orig, handle_format_attribute): Add support for
8737 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
8739 * varasm.c (assemble_variable): Fix format specifier thinko.
8741 2005-07-03 Ira Rosen <irar@il.ibm.com>
8743 PR tree-optimization/22029 (and 22135)
8744 * tree-pretty-print.c (dump_generic_node): Check that the node is not
8745 a phi node before calling dump_vops.
8747 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8749 * tree-dump.h (dump_string_field): Declare.
8750 * tree-dump.c: Use it instead of dump_string.
8751 (dump_string_field): Make non-static.
8753 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
8755 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
8756 up the minimal CFG stuff always when optimize > 0. Call
8757 split_all_insns_noflow in PIC case if needed.
8759 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
8760 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
8763 * c-decl.c (c_write_global_declarations): Dump contents of
8765 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
8766 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
8767 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
8768 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
8771 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
8773 * c-common.h (GCC_DIAG_STYLE): Define.
8774 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
8775 version for format checking to 4.1.
8776 * c-format.c: Include toplev.h after c-common.h.
8777 (enum format_type): Add gcc_tdiag_format_type.
8778 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
8779 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
8780 (format_types_orig): Add gcc_tdiag.
8781 (init_dynamic_diag_info): Support gcc_tdiag formats.
8782 (handle_format_attribute): Likewise.
8783 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
8784 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
8785 version for format checking to 4.1.
8786 (warning0, warning, error, pedwarn, sorry): Use
8788 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
8789 (finish_aliases_1): Do not use %qE.
8790 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
8791 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
8792 Correct format bugs.
8793 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
8794 parameter to unsigned HOST_WIDE_INT.
8795 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
8797 2005-07-02 David Edelsohn <edelsohn@gnu.org>
8800 * expr.c (write_complex_part): Use adjust_address for MEM.
8801 (read_complex_part): Same.
8803 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
8805 Fix PR tree-optimization/22280
8807 * tree-sra.c (generate_element_init): Remove useless loop.
8809 2005-07-02 Richard Henderson <rth@redhat.com>
8811 * config/alpha/alpha.c (alpha_legitimize_address): Check for
8813 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
8815 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
8818 * fold-const.c (fold_binary): Handle the return value of
8819 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
8820 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
8822 2005-07-02 Jeff Law <law@redhat.com>
8824 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
8825 a eliminate type conversion which feeds an equality comparison
8826 if the original type or either operand in the comparison is a
8829 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
8831 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
8832 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
8834 * config/avr/avr.c: Do not use '`' as left quote.
8835 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
8836 Remove "." from end of diagnostics. Make diagnostics start with
8839 2005-07-02 Zack Weinberg <zack@codesourcery.com>
8840 Joseph S. Myers <joseph@codesourcery.com>
8842 * toplev.c (default_tree_printer): Handle setting location with
8844 * c-objc.common.c (c_tree_printer): Likewise.
8845 * c-format.c (gcc_diag_flag_specs): Add '+'.
8846 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
8847 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
8849 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
8850 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
8851 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
8852 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
8853 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
8854 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
8855 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
8856 format arguments where %J is used without %D.
8858 2005-07-02 Jakub Jelinek <jakub@redhat.com>
8860 * gcc.c (LINK_SSP_SPEC): Define.
8861 (link_ssp_spec): New variable.
8862 (LINK_COMMAND_SPEC): Add %(link_ssp).
8863 (static_specs): Add link_ssp_spec.
8864 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
8865 * configure: Rebuilt.
8866 * config.in: Rebuilt.
8868 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8869 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8870 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8871 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
8872 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
8873 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
8874 -0x7008(2) instead of reading __stack_chk_guard variable.
8875 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
8877 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
8878 (stack_protect_set, stack_protect_test): Use *_tls* patterns
8879 if TARGET_THREAD_SSP_OFFSET is defined.
8880 (stack_tls_protect_set_si, stack_tls_protect_set_di,
8881 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
8884 2005-06-27 Richard Henderson <rth@redhat.com>
8885 * libgcc-std.ver (GCC_4.1.0): New.
8886 * libgcc.h (__stack_chk_guard): Declare.
8887 (__stack_chk_fail, __stack_chk_fail_local): Declare.
8888 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
8889 * mklibgcc.in (lib2funcs): Add them.
8891 2005-07-01 Richard Henderson <rth@redhat.com>
8893 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
8894 void * before struct sigcontext *.
8895 (x86_fallback_frame_state): Likewise.
8897 2005-07-01 James E. Wilson <wilson@specifixinc.com>
8899 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
8901 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8904 * tree-ssa-reassoc.c (should_transpose): Fix which operand
8905 we check for SSA_NAME for.
8907 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
8909 Fix PR tree-optimization/22071
8911 * tree-ssa-structalias.c (offset_overlaps_with_access): New
8913 (get_constraint_for_component_ref): Use it.
8915 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
8918 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
8919 print out the last new line.
8921 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
8923 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
8924 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
8925 * config/cris/cris.c (cris_conditional_register_usage): Adjust
8926 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
8927 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
8928 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
8929 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
8930 (enum reg_class): New member CC0_REGS.
8931 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
8932 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
8933 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
8934 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
8935 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
8936 Adjust for register now described.
8938 2005-07-01 Jakub Jelinek <jakub@redhat.com>
8941 * config/i386/i386.md (stack_protect_test_si,
8942 stack_protect_test_di): Add earlyclobber for scratch 3.
8943 * config/rs6000/rs6000.md (stack_protect_testsi,
8944 stack_protect_testdi): Add earlyclobber for scratch 3,
8945 remove earlyclobber from scratch 4.
8947 Older entries for 2005 can be found in ChangeLog-2005.